ben.carrasco/freeswitch
1
0 Fork 0
mirror of https://github.com/signalwire/freeswitch.git synced 2026-10-21 10:44:16 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
254f7ee44bc63e7db0dc8edd698e8a0c057366ca
freeswitch/libs/sipcc/core/sdp/sdp_attr.c
T

4756 lines
170 KiB
C
Raw Blame History

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <errno.h>
#include <limits.h>
#include "plstr.h"
#include "sdp_os_defs.h"
#include "sdp.h"
#include "sdp_private.h"
#include "sdp_base64.h"
//#include "mozilla/Assertions.h"
#include "CSFLog.h"
//static const char* logTag = "sdp_attr";
/*
* Macro for sdp_build_attr_fmtp
* Adds name-value pair where value is char*
*/
#define FMTP_BUILD_STRING(condition, name, value) \
if ((condition)) { \
sdp_append_name_and_string(fs, (name), (value), semicolon); \
semicolon = TRUE; \
}
/*
* Macro for sdp_build_attr_fmtp
* Adds name-value pair where value is unsigned
*/
#define FMTP_BUILD_UNSIGNED(condition, name, value) \
if ((condition)) { \
sdp_append_name_and_unsigned(fs, (name), (value), semicolon); \
semicolon = TRUE; \
}
/*
* Macro for sdp_build_attr_fmtp
* Adds flag string on condition
*/
#define FMTP_BUILD_FLAG(condition, name) \
if ((condition)) { \
if (semicolon) { \
flex_string_append(fs, ";"); \
} \
flex_string_append(fs, name); \
semicolon = TRUE; \
}
/*
* Helper function for adding nv-pair where value is string.
*/
static void sdp_append_name_and_string(flex_string *fs,
const char *name,
const char *value,
tinybool semicolon)
{
flex_string_sprintf(fs, "%s%s=%s",
semicolon ? ";" : "",
name,
value);
}
/*
* Helper function for adding nv-pair where value is unsigned.
*/
static void sdp_append_name_and_unsigned(flex_string *fs,
const char *name,
unsigned int value,
tinybool semicolon)
{
flex_string_sprintf(fs, "%s%s=%u",
semicolon ? ";" : "",
name,
value);
}
/* Function: sdp_parse_attribute
* Description: Figure out the type of attribute and call the appropriate
* parsing routine. If parsing errors are encountered,
* warnings will be printed and the attribute will be ignored.
* Unrecognized/invalid attributes do not cause overall parsing
* errors. All errors detected are noted as warnings.
* Parameters: sdp_p The SDP handle returned by sdp_init_description.
* level The level to check for the attribute.
* ptr Pointer to the attribute string to parse.
*/
sdp_result_e sdp_parse_attribute (sdp_t *sdp_p, u16 level, const char *ptr)
{
int i;
u8 xcpar_flag = FALSE;
sdp_result_e result;
sdp_mca_t *mca_p=NULL;
sdp_attr_t *attr_p;
sdp_attr_t *next_attr_p;
sdp_attr_t *prev_attr_p = NULL;
char tmp[SDP_MAX_STRING_LEN];
/* Validate the level */
if (level != SDP_SESSION_LEVEL) {
mca_p = sdp_find_media_level(sdp_p, level);
if (mca_p == NULL) {
return (SDP_FAILURE);
}
}
/* Find the attribute type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), ": \t", &result);
if (ptr == NULL) {
sdp_parse_error(sdp_p->peerconnection,
"%s No attribute type specified, parse failed.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (ptr[0] == ':') {
/* Skip the ':' char for parsing attribute parameters. */
ptr++;
}
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s No attribute type specified, parse failed.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p = (sdp_attr_t *)SDP_MALLOC(sizeof(sdp_attr_t));
if (attr_p == NULL) {
sdp_p->conf_p->num_no_resource++;
return (SDP_NO_RESOURCE);
}
attr_p->type = SDP_ATTR_INVALID;
attr_p->next_p = NULL;
for (i=0; i < SDP_MAX_ATTR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_attr[i].name, sdp_attr[i].strlen) == 0) {
attr_p->type = (sdp_attr_e)i;
break;
}
}
if (attr_p->type == SDP_ATTR_INVALID) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Unrecognized attribute (%s) ",
sdp_p->debug_str, tmp);
sdp_free_attr(attr_p);
return (SDP_SUCCESS);
}
/* If this is an X-cpar or cpar attribute, set the flag. The attribute
* type will be changed by the parse. */
if ((attr_p->type == SDP_ATTR_X_CPAR) ||
(attr_p->type == SDP_ATTR_CPAR)) {
xcpar_flag = TRUE;
}
/* Parse the attribute. */
result = sdp_attr[attr_p->type].parse_func(sdp_p, attr_p, ptr);
if (result != SDP_SUCCESS) {
sdp_free_attr(attr_p);
/* Return success so the parse won't fail. We don't want to
* fail on errors with attributes but just ignore them.
*/
return (SDP_SUCCESS);
}
/* If this was an X-cpar/cpar attribute, it was hooked into the X-cap/cdsc
* structure, so we're finished.
*/
if (xcpar_flag == TRUE) {
return (result);
}
/* Add the attribute in the appropriate place. */
if (level == SDP_SESSION_LEVEL) {
for (next_attr_p = sdp_p->sess_attrs_p; next_attr_p != NULL;
prev_attr_p = next_attr_p,
next_attr_p = next_attr_p->next_p) {
; /* Empty for */
}
if (prev_attr_p == NULL) {
sdp_p->sess_attrs_p = attr_p;
} else {
prev_attr_p->next_p = attr_p;
}
} else {
for (next_attr_p = mca_p->media_attrs_p; next_attr_p != NULL;
prev_attr_p = next_attr_p,
next_attr_p = next_attr_p->next_p) {
; /* Empty for */
}
if (prev_attr_p == NULL) {
mca_p->media_attrs_p = attr_p;
} else {
prev_attr_p->next_p = attr_p;
}
}
return (result);
}
/* Build all of the attributes defined for the specified level. */
sdp_result_e sdp_build_attribute (sdp_t *sdp_p, u16 level, flex_string *fs)
{
sdp_attr_t *attr_p;
sdp_mca_t *mca_p=NULL;
sdp_result_e result;
if (level == SDP_SESSION_LEVEL) {
attr_p = sdp_p->sess_attrs_p;
} else {
mca_p = sdp_find_media_level(sdp_p, level);
if (mca_p == NULL) {
return (SDP_FAILURE);
}
attr_p = mca_p->media_attrs_p;
}
/* Re-initialize the current capability number for this new level. */
sdp_p->cur_cap_num = 1;
/* Build all of the attributes for this level. Note that if there
* is a problem building an attribute, we don't fail but just ignore it.*/
while (attr_p != NULL) {
if (attr_p->type >= SDP_MAX_ATTR_TYPES) {
if (sdp_p->debug_flag[SDP_DEBUG_WARNINGS]) {
CSFLogDebug(logTag, "%s Invalid attribute type to build (%u)",
sdp_p->debug_str, attr_p->type);
}
} else {
result = sdp_attr[attr_p->type].build_func(sdp_p, attr_p, fs);
if (result != SDP_SUCCESS) {
CSFLogError(logTag, "%s error building attribute %d", __FUNCTION__, result);
return result;
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Built a=%s attribute line", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
}
attr_p = attr_p->next_p;
}
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_simple_string (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
ptr = sdp_getnextstrtok(ptr, attr_p->attr.string_val,
sizeof(attr_p->attr.string_val), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No string token found for %s attribute",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
} else {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.string_val);
}
return (SDP_SUCCESS);
}
}
sdp_result_e sdp_build_attr_simple_string (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n", sdp_attr[attr_p->type].name,
attr_p->attr.string_val);
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_simple_u32 (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
attr_p->attr.u32_val = sdp_getnextnumtok(ptr, &ptr, " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Numeric token for %s attribute not found",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
} else {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %lu", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type), attr_p->attr.u32_val);
}
return (SDP_SUCCESS);
}
}
sdp_result_e sdp_build_attr_simple_u32 (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%u\r\n", sdp_attr[attr_p->type].name,
attr_p->attr.u32_val);
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_simple_bool (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
if (sdp_getnextnumtok(ptr, &ptr, " \t", &result) == 0) {
attr_p->attr.boolean_val = FALSE;
} else {
attr_p->attr.boolean_val= TRUE;
}
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Boolean token for %s attribute not found",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
} else {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
if (attr_p->attr.boolean_val) {
SDP_PRINT("%s Parsed a=%s, boolean is TRUE", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
} else {
SDP_PRINT("%s Parsed a=%s, boolean is FALSE", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
}
return (SDP_SUCCESS);
}
}
sdp_result_e sdp_build_attr_simple_bool (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n", sdp_attr[attr_p->type].name,
attr_p->attr.boolean_val ? "1" : "0");
return SDP_SUCCESS;
}
/*
* sdp_parse_attr_maxprate
*
* This function parses maxprate attribute lines. The ABNF for this a=
* line is:
* max-p-rate-def = "a" "=" "maxprate" ":" packet-rate CRLF
* packet-rate = 1*DIGIT ["." 1*DIGIT]
*
* Returns:
* SDP_INVALID_PARAMETER - If we are unable to parse the string OR if
* packet-rate is not in the right format as per
* the ABNF.
*
* SDP_SUCCESS - If we are able to successfully parse the a= line.
*/
sdp_result_e sdp_parse_attr_maxprate (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
ptr = sdp_getnextstrtok(ptr, attr_p->attr.string_val,
sizeof(attr_p->attr.string_val), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No string token found for %s attribute",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
} else {
if (!sdp_validate_maxprate(attr_p->attr.string_val)) {
sdp_parse_error(sdp_p->peerconnection,
"%s is not a valid maxprate value.",
attr_p->attr.string_val);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.string_val);
}
return (SDP_SUCCESS);
}
}
/*
* sdp_attr_fmtp_no_value
* Helper function for sending the warning when a parameter value is
* missing.
*
*/
static void sdp_attr_fmtp_no_value(sdp_t *sdp, char *param_name)
{
sdp_parse_error(sdp->peerconnection,
"%s Warning: No %s value specified for fmtp attribute",
sdp->debug_str, param_name);
sdp->conf_p->num_invalid_param++;
}
/*
* sdp_attr_fmtp_invalid_value
* Helper function for sending the warning when a parameter value is
* incorrect.
*
*/
static void sdp_attr_fmtp_invalid_value(sdp_t *sdp, char *param_name,
char* param_value)
{
sdp_parse_error(sdp->peerconnection,
"%s Warning: Invalid %s: %s specified for fmtp attribute",
sdp->debug_str, param_name, param_value);
sdp->conf_p->num_invalid_param++;
}
/* Note: The fmtp attribute formats currently handled are:
* fmtp:<payload type> <event>,<event>...
* fmtp:<payload_type> [annexa=yes/no] [annexb=yes/no] [bitrate=<value>]
* [QCIF =<value>] [CIF =<value>] [MaxBR = <value>] one or more
* Other FMTP params as per H.263, H.263+, H.264 codec support.
* Note -"value" is a numeric value > 0 and each event is a
* single number or a range separated by a '-'.
* Example: fmtp:101 1,3-15,20
* Video codecs have annexes that can be listed in the following legal formats:
* a) a=fmtp:34 param1=token;D;I;J;K=1;N=2;P=1,3
* b) a=fmtp:34 param1=token;D;I;J;K=1;N=2;P=1,3;T
* c) a=fmtp:34 param1=token;D;I;J
*
*/
sdp_result_e sdp_parse_attr_fmtp (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
u16 i;
u32 mapword;
u32 bmap;
u8 low_val;
u8 high_val;
const char *ptr2;
const char *fmtp_ptr;
sdp_result_e result1 = SDP_SUCCESS;
sdp_result_e result2 = SDP_SUCCESS;
tinybool done = FALSE;
tinybool codec_info_found = FALSE;
sdp_fmtp_t *fmtp_p;
char tmp[SDP_MAX_STRING_LEN];
char *src_ptr;
char *temp_ptr = NULL;
tinybool flag=FALSE;
char *tok=NULL;
char *temp=NULL;
u16 custom_x=0;
u16 custom_y=0;
u16 custom_mpi=0;
u16 par_height=0;
u16 par_width=0;
u16 cpcf=0;
u16 iter=0;
ulong l_val = 0;
char* strtok_state;
unsigned long strtoul_result;
char* strtoul_end;
/* Find the payload type number. */
attr_p->attr.fmtp.payload_num = (u16)sdp_getnextnumtok(ptr, &ptr,
" \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "payload type");
return SDP_INVALID_PARAMETER;
}
fmtp_p = &(attr_p->attr.fmtp);
fmtp_p->fmtp_format = SDP_FMTP_UNKNOWN_TYPE;
fmtp_p->parameter_add = TRUE;
fmtp_p->flag = 0;
/*
* set default value of packetization mode and level-asymmetry-allowed. If
* remote sdp does not specify any value for these two parameters, then the
* default value will be assumed for remote sdp. If remote sdp does specify
* any value for these parameters, then default value will be overridden.
*/
fmtp_p->packetization_mode = 0;
fmtp_p->level_asymmetry_allowed = SDP_DEFAULT_LEVEL_ASYMMETRY_ALLOWED_VALUE;
/* BEGIN - a typical macro fn to replace '/' with ';' from fmtp line*/
/* This ugly replacement of '/' with ';' is only done because
* econf/MS client sends in this wierd /illegal format.
* fmtp parameters MUST be separated by ';'
*/
temp_ptr = cpr_strdup(ptr);
if (temp_ptr == NULL) {
return (SDP_FAILURE);
}
fmtp_ptr = src_ptr = temp_ptr;
while (flag == FALSE) {
if (*src_ptr == '\n') {
flag = TRUE;
break;
}
if (*src_ptr == '/') {
*src_ptr =';' ;
}
src_ptr++;
}
/* END */
/* Once we move to RFC compliant video codec implementations, the above
* patch should be removed */
while (!done) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "= \t", &result1);
if (result1 == SDP_SUCCESS) {
if (cpr_strncasecmp(tmp, sdp_fmtp_codec_param[1].name,
sdp_fmtp_codec_param[1].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "annexb");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
if (cpr_strncasecmp(tok,sdp_fmtp_codec_param_val[0].name,
sdp_fmtp_codec_param_val[0].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annexb_required = TRUE;
fmtp_p->annexb = TRUE;
} else if (cpr_strncasecmp(tok,sdp_fmtp_codec_param_val[1].name,
sdp_fmtp_codec_param_val[1].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annexb_required = TRUE;
fmtp_p->annexb = FALSE;
} else {
sdp_attr_fmtp_invalid_value(sdp_p, "annexb", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp, sdp_fmtp_codec_param[0].name,
sdp_fmtp_codec_param[0].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "annexa");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
if (cpr_strncasecmp(tok,sdp_fmtp_codec_param_val[0].name,
sdp_fmtp_codec_param_val[0].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annexa = TRUE;
fmtp_p->annexa_required = TRUE;
} else if (cpr_strncasecmp(tok,sdp_fmtp_codec_param_val[1].name,
sdp_fmtp_codec_param_val[1].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annexa = FALSE;
fmtp_p->annexa_required = TRUE;
} else {
sdp_attr_fmtp_invalid_value(sdp_p, "annexa", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[2].name,
sdp_fmtp_codec_param[2].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "bitrate");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "bitrate", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->bitrate = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[41].name,
sdp_fmtp_codec_param[41].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "mode");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "mode", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_MODE;
fmtp_p->mode = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[3].name,
sdp_fmtp_codec_param[3].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "qcif");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result < SDP_MIN_CIF_VALUE || strtoul_result > SDP_MAX_CIF_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "qcif", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->qcif = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[4].name,
sdp_fmtp_codec_param[4].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "cif");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result < SDP_MIN_CIF_VALUE || strtoul_result > SDP_MAX_CIF_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "cif", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->cif = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[5].name,
sdp_fmtp_codec_param[5].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "maxbr");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result == 0 || strtoul_result > USHRT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "maxbr", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->maxbr = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[6].name,
sdp_fmtp_codec_param[6].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "sqcif");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result < SDP_MIN_CIF_VALUE || strtoul_result > SDP_MAX_CIF_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "sqcif", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->sqcif = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[7].name,
sdp_fmtp_codec_param[7].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "cif4");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result < SDP_MIN_CIF_VALUE || strtoul_result > SDP_MAX_CIF_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "cif4", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->cif4 = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[8].name,
sdp_fmtp_codec_param[8].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "cif16");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result < SDP_MIN_CIF_VALUE || strtoul_result > SDP_MAX_CIF_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "cif16", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->cif16 = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[9].name,
sdp_fmtp_codec_param[9].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "custom");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++; temp=PL_strtok_r(tok, ",", &strtok_state);
iter++;
if (temp) {
iter=1;
while (temp != NULL) {
errno = 0;
strtoul_result = strtoul(temp, &strtoul_end, 10);
if (errno || temp == strtoul_end || strtoul_result > USHRT_MAX){
custom_x = custom_y = custom_mpi = 0;
break;
}
if (iter == 1)
custom_x = (u16) strtoul_result;
if (iter == 2)
custom_y = (u16) strtoul_result;
if (iter == 3)
custom_mpi = (u16) strtoul_result;
temp=PL_strtok_r(NULL, ",", &strtok_state);
iter++;
}
}
/* custom x,y and mpi values from tmp */
if (!custom_x || !custom_y || !custom_mpi) {
sdp_attr_fmtp_invalid_value(sdp_p, "x/y/MPI", temp);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->custom_x = custom_x;
fmtp_p->custom_y = custom_y;
fmtp_p->custom_mpi = custom_mpi;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[10].name,
sdp_fmtp_codec_param[10].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "par");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++; temp=PL_strtok_r(tok, ":", &strtok_state);
if (temp) {
iter=1;
/* get par width and par height for the aspect ratio */
while (temp != NULL) {
errno = 0;
strtoul_result = strtoul(temp, &strtoul_end, 10);
if (errno || temp == strtoul_end || strtoul_result > USHRT_MAX) {
par_width = par_height = 0;
break;
}
if (iter == 1)
par_width = (u16) strtoul_result;
else
par_height = (u16) strtoul_result;
temp=PL_strtok_r(NULL, ",", &strtok_state);
iter++;
}
}
if (!par_width || !par_height) {
sdp_attr_fmtp_invalid_value(sdp_p, "par_width or par_height", temp);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->par_width = par_width;
fmtp_p->par_height = par_height;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[11].name,
sdp_fmtp_codec_param[11].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "cpcf");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++; temp=PL_strtok_r(tok, ".", &strtok_state);
if ( temp != NULL ) {
errno = 0;
strtoul_result = strtoul(temp, &strtoul_end, 10);
if (errno || temp == strtoul_end || strtoul_result > USHRT_MAX) {
cpcf = 0;
} else {
cpcf = (u16) strtoul_result;
}
}
if (!cpcf) {
sdp_attr_fmtp_invalid_value(sdp_p, "cpcf", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->cpcf = cpcf;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[12].name,
sdp_fmtp_codec_param[12].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "bpp");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > USHRT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "bpp", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->bpp = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[13].name,
sdp_fmtp_codec_param[13].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "hrd");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > USHRT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "hrd", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->hrd = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[14].name,
sdp_fmtp_codec_param[14].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "profile");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result > SDP_MAX_PROFILE_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "profile", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->profile = (short) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[15].name,
sdp_fmtp_codec_param[15].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "level");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end ||
strtoul_result > SDP_MAX_LEVEL_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "level", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->level = (short) strtoul_result;
codec_info_found = TRUE;
} if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[16].name,
sdp_fmtp_codec_param[16].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->is_interlace = TRUE;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[17].name,
sdp_fmtp_codec_param[17].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "profile_level_id");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
sstrncpy(fmtp_p->profile_level_id , tok, sizeof(fmtp_p->profile_level_id));
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[18].name,
sdp_fmtp_codec_param[18].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "parameter_sets");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
sstrncpy(fmtp_p->parameter_sets , tok, sizeof(fmtp_p->parameter_sets));
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[19].name,
sdp_fmtp_codec_param[19].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "packetization_mode");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > 2) {
sdp_attr_fmtp_invalid_value(sdp_p, "packetization_mode", tok);
sdp_p->conf_p->num_invalid_param++;
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->packetization_mode = (int16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[20].name,
sdp_fmtp_codec_param[20].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "interleaving_depth");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > USHRT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "interleaving_depth", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->interleaving_depth = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[21].name,
sdp_fmtp_codec_param[21].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "deint_buf");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
if (sdp_checkrange(sdp_p, tok, &l_val) == TRUE) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->deint_buf_req = (u32) l_val;
fmtp_p->flag |= SDP_DEINT_BUF_REQ_FLAG;
codec_info_found = TRUE;
} else {
sdp_attr_fmtp_invalid_value(sdp_p, "deint_buf_req", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[22].name,
sdp_fmtp_codec_param[22].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_don_diff");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "max_don_diff", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_don_diff = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[23].name,
sdp_fmtp_codec_param[23].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "init_buf_time");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
if (sdp_checkrange(sdp_p, tok, &l_val) == TRUE) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->init_buf_time = (u32) l_val;
fmtp_p->flag |= SDP_INIT_BUF_TIME_FLAG;
codec_info_found = TRUE;
} else {
sdp_attr_fmtp_invalid_value(sdp_p, "init_buf_time", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[24].name,
sdp_fmtp_codec_param[24].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_mbps");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "max_mbps", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_mbps = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[25].name,
sdp_fmtp_codec_param[25].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_fs");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "max_fs", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_fs = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[26].name,
sdp_fmtp_codec_param[26].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_cbp");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "max_cpb", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_cpb = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[27].name,
sdp_fmtp_codec_param[27].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_dpb");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "max_dpb", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_dpb = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[28].name,
sdp_fmtp_codec_param[28].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_br");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "max_br", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_br = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[29].name,
sdp_fmtp_codec_param[29].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "redundant_pic_cap");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (!errno && tok != strtoul_end && strtoul_result == 1) {
fmtp_p->redundant_pic_cap = TRUE;
} else {
fmtp_p->redundant_pic_cap = FALSE;
}
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[30].name,
sdp_fmtp_codec_param[30].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "deint_buf_cap");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
if (sdp_checkrange(sdp_p, tok, &l_val) == TRUE) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->deint_buf_cap = (u32) l_val;
fmtp_p->flag |= SDP_DEINT_BUF_CAP_FLAG;
codec_info_found = TRUE;
} else {
sdp_attr_fmtp_invalid_value(sdp_p, "deint_buf_cap", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[31].name,
sdp_fmtp_codec_param[31].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "max_rcmd_nalu_size");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
if (sdp_checkrange(sdp_p, tok, &l_val) == TRUE) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->max_rcmd_nalu_size = (u32) l_val;
fmtp_p->flag |= SDP_MAX_RCMD_NALU_SIZE_FLAG;
codec_info_found = TRUE;
} else {
sdp_attr_fmtp_invalid_value(sdp_p, "max_rcmd_nalu_size", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[32].name,
sdp_fmtp_codec_param[32].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "parameter_add");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > 1) {
sdp_attr_fmtp_invalid_value(sdp_p, "parameter_add", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
if (strtoul_result == 1) {
fmtp_p->parameter_add = TRUE;
} else {
fmtp_p->parameter_add = FALSE;
}
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[33].name,
sdp_fmtp_codec_param[33].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_d = TRUE;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[34].name,
sdp_fmtp_codec_param[34].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_f = TRUE;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[35].name,
sdp_fmtp_codec_param[35].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_i = TRUE;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[36].name,
sdp_fmtp_codec_param[36].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_j = TRUE;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[37].name,
sdp_fmtp_codec_param[36].strlen) == 0) {
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_t = TRUE;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[38].name,
sdp_fmtp_codec_param[38].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "annex_k");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > USHRT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "annex_k", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_k_val = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[39].name,
sdp_fmtp_codec_param[39].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "annex_n");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > USHRT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "annex_n", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->annex_n_val = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[40].name,
sdp_fmtp_codec_param[40].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "annex_p");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
fmtp_p->annex_p_val_picture_resize = 0;
fmtp_p->annex_p_val_warp = 0;
tok = tmp;
tok++; temp=PL_strtok_r(tok, ",", &strtok_state);
if (temp) {
iter=1;
while (temp != NULL) {
errno = 0;
strtoul_result = strtoul(temp, &strtoul_end, 10);
if (errno || temp == strtoul_end || strtoul_result > USHRT_MAX) {
break;
}
if (iter == 1)
fmtp_p->annex_p_val_picture_resize = (u16) strtoul_result;
else if (iter == 2)
fmtp_p->annex_p_val_warp = (u16) strtoul_result;
temp=PL_strtok_r(NULL, ",", &strtok_state);
iter++;
}
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[42].name,
sdp_fmtp_codec_param[42].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "level_asymmetry_allowed");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > SDP_MAX_LEVEL_ASYMMETRY_ALLOWED_VALUE) {
sdp_attr_fmtp_invalid_value(sdp_p, "level_asymmetry_allowed", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->level_asymmetry_allowed = (int) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[43].name,
sdp_fmtp_codec_param[43].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "maxaveragebitrate");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result == 0 || strtoul_result > UINT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "maxaveragebitrate", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->maxaveragebitrate = (u32) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[44].name,
sdp_fmtp_codec_param[44].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "usedtx");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > 1) {
sdp_attr_fmtp_invalid_value(sdp_p, "usedtx", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->usedtx = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[45].name,
sdp_fmtp_codec_param[45].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "stereo");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > 1) {
sdp_attr_fmtp_invalid_value(sdp_p, "stereo", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->stereo = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[46].name,
sdp_fmtp_codec_param[46].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "useinbandfec");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > 1) {
sdp_attr_fmtp_invalid_value(sdp_p, "useinbandfec", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->useinbandfec = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[47].name,
sdp_fmtp_codec_param[47].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "maxcodedaudiobandwidth");
sdp_p->conf_p->num_invalid_param++;
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
sstrncpy(fmtp_p->maxcodedaudiobandwidth , tok, sizeof(fmtp_p->maxcodedaudiobandwidth));
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[48].name,
sdp_fmtp_codec_param[48].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "cbr");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > 1) {
sdp_attr_fmtp_invalid_value(sdp_p, "cbr", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_CODEC_INFO;
fmtp_p->cbr = (u16) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[49].name,
sdp_fmtp_codec_param[49].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "streams");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
errno = 0;
strtoul_result = strtoul(tok, &strtoul_end, 10);
if (errno || tok == strtoul_end || strtoul_result > INT_MAX) {
sdp_attr_fmtp_invalid_value(sdp_p, "streams", tok);
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
fmtp_p->fmtp_format = SDP_FMTP_DATACHANNEL;
fmtp_p->streams = (int) strtoul_result;
codec_info_found = TRUE;
} else if (cpr_strncasecmp(tmp,sdp_fmtp_codec_param[50].name,
sdp_fmtp_codec_param[50].strlen) == 0) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), "; \t", &result1);
if (result1 != SDP_SUCCESS) {
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), " \t", &result1);
if (result1 != SDP_SUCCESS) {
sdp_attr_fmtp_no_value(sdp_p, "protocol");
SDP_FREE(temp_ptr);
return SDP_INVALID_PARAMETER;
}
}
tok = tmp;
tok++;
fmtp_p->fmtp_format = SDP_FMTP_DATACHANNEL;
sstrncpy(fmtp_p->protocol , tok, sizeof(fmtp_p->protocol));
codec_info_found = TRUE;
} else if (fmtp_ptr != NULL && *fmtp_ptr == '\n') {
temp=PL_strtok_r(tmp, ";", &strtok_state);
if (temp) {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Annexes are possibly there for this fmtp %s tmp: %s line\n",
sdp_p->debug_str, fmtp_ptr, tmp);
}
while (temp != NULL) {
if (strchr(temp, 'D') !=NULL) {
attr_p->attr.fmtp.annex_d = TRUE;
}
if (strchr(temp, 'F') !=NULL) {
attr_p->attr.fmtp.annex_f = TRUE;
}
if (strchr(temp, 'I') !=NULL) {
attr_p->attr.fmtp.annex_i = TRUE;
}
if (strchr(temp, 'J') !=NULL) {
attr_p->attr.fmtp.annex_j = TRUE;
}
if (strchr(temp, 'T') !=NULL) {
attr_p->attr.fmtp.annex_t = TRUE;
}
temp=PL_strtok_r(NULL, ";", &strtok_state);
}
} /* if (temp) */
done = TRUE;
}
fmtp_ptr++;
} else {
done = TRUE;
}
} /* while - done loop*/
if (codec_info_found) {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, payload type %u, bitrate %lu, mode %u QCIF = %u, CIF = %u, MAXBR= %u, SQCIF=%u, CIF4= %u, CIF16=%u, CUSTOM=%u,%u,%u , PAR=%u:%u,CPCF=%u, BPP=%u, HRD=%u \n",
sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.fmtp.payload_num,
attr_p->attr.fmtp.bitrate,
attr_p->attr.fmtp.mode,
attr_p->attr.fmtp.qcif,
attr_p->attr.fmtp.cif,
attr_p->attr.fmtp.maxbr,
attr_p->attr.fmtp.sqcif,
attr_p->attr.fmtp.cif4,
attr_p->attr.fmtp.cif16,
attr_p->attr.fmtp.custom_x,attr_p->attr.fmtp.custom_y,
attr_p->attr.fmtp.custom_mpi,
attr_p->attr.fmtp.par_width,
attr_p->attr.fmtp.par_height,
attr_p->attr.fmtp.cpcf,
attr_p->attr.fmtp.bpp,
attr_p->attr.fmtp.hrd
);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, payload type %u,PROFILE=%u,LEVEL=%u, INTERLACE - %s",
sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.fmtp.payload_num,
attr_p->attr.fmtp.profile,
attr_p->attr.fmtp.level,
attr_p->attr.fmtp.is_interlace ? "YES":"NO");
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed H.264 attributes: profile-level-id=%s, parameter-sets=%s, packetization-mode=%d level-asymmetry-allowed=%d interleaving-depth=%d deint-buf-req=%lu max-don-diff=%lu, init_buf-time=%lu\n",
sdp_p->debug_str,
attr_p->attr.fmtp.profile_level_id,
attr_p->attr.fmtp.parameter_sets,
attr_p->attr.fmtp.packetization_mode,
attr_p->attr.fmtp.level_asymmetry_allowed,
attr_p->attr.fmtp.interleaving_depth,
attr_p->attr.fmtp.deint_buf_req,
attr_p->attr.fmtp.max_don_diff,
attr_p->attr.fmtp.init_buf_time
);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("\n%s Parsed H.264 opt attributes: max-mbps=%lu, max-fs=%lu, max-cpb=%lu max-dpb=%lu max-br=%lu redundant-pic-cap=%d, deint-buf-cap=%lu, max-rcmd-nalu-size=%lu , parameter-add=%d\n",
sdp_p->debug_str,
attr_p->attr.fmtp.max_mbps,
attr_p->attr.fmtp.max_fs,
attr_p->attr.fmtp.max_cpb,
attr_p->attr.fmtp.max_dpb,
attr_p->attr.fmtp.max_br,
attr_p->attr.fmtp.redundant_pic_cap,
attr_p->attr.fmtp.deint_buf_cap,
attr_p->attr.fmtp.max_rcmd_nalu_size,
attr_p->attr.fmtp.parameter_add);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed annexes are : D=%d F=%d I=%d J=%d T=%d, K=%d N=%d P=%d,%d\n",
sdp_p->debug_str,
attr_p->attr.fmtp.annex_d,
attr_p->attr.fmtp.annex_f, attr_p->attr.fmtp.annex_i,
attr_p->attr.fmtp.annex_j, attr_p->attr.fmtp.annex_t,
attr_p->attr.fmtp.annex_k_val,
attr_p->attr.fmtp.annex_n_val,
attr_p->attr.fmtp.annex_p_val_picture_resize,
attr_p->attr.fmtp.annex_p_val_warp);
}
SDP_FREE(temp_ptr);
return (SDP_SUCCESS);
} else {
done = FALSE;
fmtp_ptr = src_ptr;
tmp[0] = '\0';
}
for (i=0; !done; i++) {
fmtp_p->fmtp_format = SDP_FMTP_NTE;
/* Look for comma separated events */
fmtp_ptr = sdp_getnextstrtok(fmtp_ptr, tmp, sizeof(tmp), ", \t", &result1);
if (result1 != SDP_SUCCESS) {
done = TRUE;
continue;
}
/* Now look for '-' separated range */
ptr2 = tmp;
low_val = (u8)sdp_getnextnumtok(ptr2, (const char **)&ptr2,
"- \t", &result1);
if (*ptr2 == '-') {
high_val = (u8)sdp_getnextnumtok(ptr2, (const char **)&ptr2,
"- \t", &result2);
} else {
high_val = low_val;
}
if ((result1 != SDP_SUCCESS) || (result2 != SDP_SUCCESS)) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid named events specified for fmtp attribute.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
SDP_FREE(temp_ptr);
return (SDP_INVALID_PARAMETER);
}
for (i = low_val; i <= high_val; i++) {
mapword = i/SDP_NE_BITS_PER_WORD;
bmap = SDP_NE_BIT_0 << (i%32);
fmtp_p->bmap[mapword] |= bmap;
}
if (high_val > fmtp_p->maxval) {
fmtp_p->maxval = high_val;
}
}
if (fmtp_p->maxval == 0) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No named events specified for fmtp attribute.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
SDP_FREE(temp_ptr);
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, payload type %u, ", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.fmtp.payload_num);
}
SDP_FREE(temp_ptr);
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_fmtp (sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs)
{
u16 event_id;
u32 mask;
u32 mapword;
u8 min = 0;
u8 max = 0;
tinybool range_start = FALSE;
tinybool range_end = FALSE;
tinybool semicolon = FALSE;
sdp_fmtp_t *fmtp_p;
flex_string_sprintf(fs, "a=%s:%u ",
sdp_attr[attr_p->type].name,
attr_p->attr.fmtp.payload_num);
fmtp_p = &(attr_p->attr.fmtp);
switch (fmtp_p->fmtp_format) {
case SDP_FMTP_MODE:
sdp_append_name_and_unsigned(fs, "mode", fmtp_p->mode, FALSE);
break;
case SDP_FMTP_CODEC_INFO:
FMTP_BUILD_UNSIGNED(fmtp_p->bitrate > 0, "bitrate", fmtp_p->bitrate)
FMTP_BUILD_STRING(fmtp_p->annexa_required,
"annexa", (fmtp_p->annexa ? "yes" : "no"))
FMTP_BUILD_STRING(fmtp_p->annexb_required,
"annexb", (fmtp_p->annexa ? "yes" : "no"))
FMTP_BUILD_UNSIGNED(fmtp_p->qcif > 0, "QCIF", fmtp_p->qcif)
FMTP_BUILD_UNSIGNED(fmtp_p->cif > 0, "CIF", fmtp_p->cif)
FMTP_BUILD_UNSIGNED(fmtp_p->maxbr > 0, "MAXBR", fmtp_p->maxbr)
FMTP_BUILD_UNSIGNED(fmtp_p->sqcif > 0, "SQCIF", fmtp_p->sqcif)
FMTP_BUILD_UNSIGNED(fmtp_p->cif4 > 0, "CIF4", fmtp_p->cif4)
FMTP_BUILD_UNSIGNED(fmtp_p->cif16 > 0, "CIF16", fmtp_p->cif16)
if ((fmtp_p->custom_x > 0) && (fmtp_p->custom_y > 0) &&
(fmtp_p->custom_mpi > 0)) {
flex_string_sprintf(fs, "%sCUSTOM=%u,%u,%u",
semicolon ? ";" : "",
fmtp_p->custom_x,
fmtp_p->custom_y,
fmtp_p->custom_mpi);
semicolon = TRUE;
}
if ((fmtp_p->par_height > 0) && (fmtp_p->par_width > 0)) {
flex_string_sprintf(fs, "%sPAR=%u:%u",
semicolon ? ";" : "",
fmtp_p->par_width,
fmtp_p->par_width);
semicolon = TRUE;
}
FMTP_BUILD_UNSIGNED(fmtp_p->cpcf > 0, "CPCF", fmtp_p->cpcf)
FMTP_BUILD_UNSIGNED(fmtp_p->bpp > 0, "BPP", fmtp_p->bpp)
FMTP_BUILD_UNSIGNED(fmtp_p->hrd > 0, "HRD", fmtp_p->hrd)
FMTP_BUILD_UNSIGNED(fmtp_p->profile >= 0, "PROFILE", fmtp_p->profile)
FMTP_BUILD_UNSIGNED(fmtp_p->level >= 0, "LEVEL", fmtp_p->level)
FMTP_BUILD_FLAG(fmtp_p->is_interlace, "INTERLACE")
FMTP_BUILD_FLAG(fmtp_p->annex_d, "D")
FMTP_BUILD_FLAG(fmtp_p->annex_f, "F")
FMTP_BUILD_FLAG(fmtp_p->annex_i, "I")
FMTP_BUILD_FLAG(fmtp_p->annex_j, "J")
FMTP_BUILD_FLAG(fmtp_p->annex_t, "T")
FMTP_BUILD_UNSIGNED(fmtp_p->annex_k_val > 0,
"K", fmtp_p->annex_k_val)
FMTP_BUILD_UNSIGNED(fmtp_p->annex_n_val > 0,
"N", fmtp_p->annex_n_val)
if ((fmtp_p->annex_p_val_picture_resize > 0) &&
(fmtp_p->annex_p_val_warp > 0)) {
flex_string_sprintf(fs, "%sP=%d:%d",
semicolon ? ";" : "",
fmtp_p->annex_p_val_picture_resize,
fmtp_p->annex_p_val_warp);
semicolon = TRUE;
}
FMTP_BUILD_STRING(strlen(fmtp_p->profile_level_id) > 0,
"profile-level-id", fmtp_p->profile_level_id)
FMTP_BUILD_STRING(strlen(fmtp_p->parameter_sets) > 0,
"sprop-parameter-sets", fmtp_p->parameter_sets)
FMTP_BUILD_UNSIGNED(
fmtp_p->packetization_mode < SDP_MAX_PACKETIZATION_MODE_VALUE,
"packetization-mode", fmtp_p->packetization_mode)
FMTP_BUILD_UNSIGNED(
fmtp_p->level_asymmetry_allowed <=
SDP_MAX_LEVEL_ASYMMETRY_ALLOWED_VALUE,
"level-asymmetry-allowed", fmtp_p->level_asymmetry_allowed)
FMTP_BUILD_UNSIGNED(fmtp_p->interleaving_depth > 0,
"sprop-interleaving-depth", fmtp_p->interleaving_depth)
FMTP_BUILD_UNSIGNED(fmtp_p->flag & SDP_DEINT_BUF_REQ_FLAG,
"sprop-deint-buf-req", fmtp_p->deint_buf_req)
FMTP_BUILD_UNSIGNED(fmtp_p->max_don_diff > 0,
"sprop-max-don-diff", fmtp_p->max_don_diff)
FMTP_BUILD_UNSIGNED(fmtp_p->flag & SDP_INIT_BUF_TIME_FLAG,
"sprop-init-buf-time", fmtp_p->init_buf_time)
FMTP_BUILD_UNSIGNED(fmtp_p->max_mbps > 0,
"max-mbps", fmtp_p->max_mbps)
FMTP_BUILD_UNSIGNED(fmtp_p->max_fs > 0, "max-fs", fmtp_p->max_fs)
FMTP_BUILD_UNSIGNED(fmtp_p->max_cpb > 0, "max-cpb", fmtp_p->max_cpb)
FMTP_BUILD_UNSIGNED(fmtp_p->max_dpb > 0, "max-dpb", fmtp_p->max_dpb)
FMTP_BUILD_UNSIGNED(fmtp_p->max_br > 0, "max-br", fmtp_p->max_br)
FMTP_BUILD_UNSIGNED(fmtp_p->redundant_pic_cap > 0,
"redundant-pic-cap", fmtp_p->redundant_pic_cap)
FMTP_BUILD_UNSIGNED(fmtp_p->flag & SDP_DEINT_BUF_CAP_FLAG,
"deint-buf-cap", fmtp_p->deint_buf_cap)
FMTP_BUILD_UNSIGNED(fmtp_p->flag & SDP_MAX_RCMD_NALU_SIZE_FLAG,
"max-rcmd-naFMTP_BUILD_FLlu-size", fmtp_p->max_rcmd_nalu_size)
FMTP_BUILD_UNSIGNED(fmtp_p->parameter_add > 0,
"parameter-add", fmtp_p->parameter_add)
FMTP_BUILD_UNSIGNED(fmtp_p->maxaveragebitrate > 0,
"maxaveragebitrate", fmtp_p->maxaveragebitrate)
FMTP_BUILD_UNSIGNED(fmtp_p->usedtx <= 1, "usedtx", fmtp_p->usedtx)
FMTP_BUILD_UNSIGNED(fmtp_p->stereo <= 1, "stereo", fmtp_p->stereo)
FMTP_BUILD_UNSIGNED(fmtp_p->useinbandfec <= 1,
"useinbandfec", fmtp_p->useinbandfec)
FMTP_BUILD_STRING(strlen(fmtp_p->maxcodedaudiobandwidth) > 0,
"maxcodedaudiobandwidth", fmtp_p->maxcodedaudiobandwidth)
FMTP_BUILD_UNSIGNED(fmtp_p->cbr <= 1, "cbr", fmtp_p->cbr)
break;
case SDP_FMTP_DATACHANNEL:
FMTP_BUILD_STRING(strlen(fmtp_p->protocol) > 0,
"protocol", fmtp_p->protocol)
FMTP_BUILD_UNSIGNED(fmtp_p->streams > 0, "streams", fmtp_p->streams)
break;
case SDP_FMTP_NTE:
default:
break;
}
for(event_id = 0, mapword = 0, mask = SDP_NE_BIT_0;
event_id <= fmtp_p->maxval;
event_id++, mapword = event_id/SDP_NE_BITS_PER_WORD ) {
if (event_id % SDP_NE_BITS_PER_WORD) {
mask <<= 1;
} else {
/* crossed a bitmap word boundary */
mask = SDP_NE_BIT_0;
if (!range_start && !range_end && !fmtp_p->bmap[mapword]) {
/* no events in this word, skip to the last event id
* in this bitmap word. */
event_id += SDP_NE_BITS_PER_WORD - 1;
continue;
}
}
if (fmtp_p->bmap[mapword] & mask) {
if (!range_start) {
range_start = TRUE;
min = max = (u8)event_id;
} else {
max = (u8)event_id;
}
range_end = (max == fmtp_p->maxval);
} else {
/* If we were in the middle of a range, then we've hit the
* end. If we weren't, there is no end to hit. */
range_end = range_start;
}
/* If this is the end of the range, print it to the string. */
if (range_end) {
range_start = range_end = FALSE;
flex_string_sprintf(fs, "%u", min);
if (min != max) {
flex_string_sprintf(fs, "-%u", max);
}
if (max != fmtp_p->maxval) {
flex_string_append(fs, ",");
}
}
}
flex_string_append(fs, "\r\n");
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_direction (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
/* No parameters to parse. */
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_direction (sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs)
{
flex_string_sprintf(fs, "a=%s\r\n", sdp_get_attr_name(attr_p->type));
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_qos (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find the strength tag. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No qos strength tag specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.qos.strength = SDP_QOS_STRENGTH_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_STRENGTH; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_strength[i].name,
sdp_qos_strength[i].strlen) == 0) {
attr_p->attr.qos.strength = (sdp_qos_strength_e)i;
}
}
if (attr_p->attr.qos.strength == SDP_QOS_STRENGTH_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS strength tag unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the qos direction. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No qos direction specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.qos.direction = SDP_QOS_DIR_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_DIR; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_direction[i].name,
sdp_qos_direction[i].strlen) == 0) {
attr_p->attr.qos.direction = (sdp_qos_dir_e)i;
}
}
if (attr_p->attr.qos.direction == SDP_QOS_DIR_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS direction unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* See if confirm was specified. Defaults to FALSE. */
attr_p->attr.qos.confirm = FALSE;
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result == SDP_SUCCESS) {
if (cpr_strncasecmp(tmp, "confirm", sizeof("confirm")) == 0) {
attr_p->attr.qos.confirm = TRUE;
}
if (attr_p->attr.qos.confirm == FALSE) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS confirm parameter invalid (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, strength %s, direction %s, confirm %s",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
sdp_get_qos_strength_name(attr_p->attr.qos.strength),
sdp_get_qos_direction_name(attr_p->attr.qos.direction),
(attr_p->attr.qos.confirm ? "set" : "not set"));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_qos (sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s %s%s\r\n", sdp_attr[attr_p->type].name,
sdp_get_qos_strength_name(attr_p->attr.qos.strength),
sdp_get_qos_direction_name(attr_p->attr.qos.direction),
attr_p->attr.qos.confirm ? " confirm" : "");
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_curr (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find the curr type tag. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No curr attr type specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.curr.type = SDP_CURR_UNKNOWN_TYPE;
for (i=0; i < SDP_MAX_CURR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_curr_type[i].name,
sdp_curr_type[i].strlen) == 0) {
attr_p->attr.curr.type = (sdp_curr_type_e)i;
}
}
if (attr_p->attr.curr.type != SDP_CURR_QOS_TYPE) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Unknown curr type.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Check qos status type */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No curr attr type specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.curr.status_type = SDP_QOS_STATUS_TYPE_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_STATUS_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_status_type[i].name,
sdp_qos_status_type[i].strlen) == 0) {
attr_p->attr.curr.status_type = (sdp_qos_status_types_e)i;
}
}
/* Find the qos direction. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No qos direction specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.curr.direction = SDP_QOS_DIR_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_DIR; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_direction[i].name,
sdp_qos_direction[i].strlen) == 0) {
attr_p->attr.curr.direction = (sdp_qos_dir_e)i;
}
}
if (attr_p->attr.curr.direction == SDP_QOS_DIR_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS direction unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, type %s status type %s, direction %s",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
sdp_get_curr_type_name(attr_p->attr.curr.type),
sdp_get_qos_status_type_name(attr_p->attr.curr.status_type),
sdp_get_qos_direction_name(attr_p->attr.curr.direction));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_curr (sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s %s %s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_curr_type_name(attr_p->attr.curr.type),
sdp_get_qos_status_type_name(attr_p->attr.curr.status_type),
sdp_get_qos_direction_name(attr_p->attr.curr.direction));
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_des (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find the curr type tag. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No des attr type specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.des.type = SDP_DES_UNKNOWN_TYPE;
for (i=0; i < SDP_MAX_CURR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_des_type[i].name,
sdp_des_type[i].strlen) == 0) {
attr_p->attr.des.type = (sdp_des_type_e)i;
}
}
if (attr_p->attr.des.type != SDP_DES_QOS_TYPE) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Unknown conf type.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the strength tag. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No qos strength tag specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.des.strength = SDP_QOS_STRENGTH_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_STRENGTH; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_strength[i].name,
sdp_qos_strength[i].strlen) == 0) {
attr_p->attr.des.strength = (sdp_qos_strength_e)i;
}
}
if (attr_p->attr.des.strength == SDP_QOS_STRENGTH_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS strength tag unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Check qos status type */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No des attr type specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.des.status_type = SDP_QOS_STATUS_TYPE_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_STATUS_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_status_type[i].name,
sdp_qos_status_type[i].strlen) == 0) {
attr_p->attr.des.status_type = (sdp_qos_status_types_e)i;
}
}
/* Find the qos direction. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No qos direction specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.des.direction = SDP_QOS_DIR_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_DIR; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_direction[i].name,
sdp_qos_direction[i].strlen) == 0) {
attr_p->attr.des.direction = (sdp_qos_dir_e)i;
}
}
if (attr_p->attr.des.direction == SDP_QOS_DIR_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS direction unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, type %s strength %s status type %s, direction %s",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
sdp_get_des_type_name(attr_p->attr.des.type),
sdp_get_qos_strength_name(attr_p->attr.qos.strength),
sdp_get_qos_status_type_name(attr_p->attr.des.status_type),
sdp_get_qos_direction_name(attr_p->attr.des.direction));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_des (sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s %s %s %s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_curr_type_name((sdp_curr_type_e)attr_p->attr.des.type),
sdp_get_qos_strength_name(attr_p->attr.des.strength),
sdp_get_qos_status_type_name(attr_p->attr.des.status_type),
sdp_get_qos_direction_name(attr_p->attr.des.direction));
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_conf (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find the curr type tag. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No conf attr type specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.conf.type = SDP_CONF_UNKNOWN_TYPE;
for (i=0; i < SDP_MAX_CURR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_conf_type[i].name,
sdp_conf_type[i].strlen) == 0) {
attr_p->attr.conf.type = (sdp_conf_type_e)i;
}
}
if (attr_p->attr.conf.type != SDP_CONF_QOS_TYPE) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Unknown conf type.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Check qos status type */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No conf attr type specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.conf.status_type = SDP_QOS_STATUS_TYPE_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_STATUS_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_status_type[i].name,
sdp_qos_status_type[i].strlen) == 0) {
attr_p->attr.conf.status_type = (sdp_qos_status_types_e)i;
}
}
/* Find the qos direction. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No qos direction specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.conf.direction = SDP_QOS_DIR_UNKNOWN;
for (i=0; i < SDP_MAX_QOS_DIR; i++) {
if (cpr_strncasecmp(tmp, sdp_qos_direction[i].name,
sdp_qos_direction[i].strlen) == 0) {
attr_p->attr.conf.direction = (sdp_qos_dir_e)i;
}
}
if (attr_p->attr.conf.direction == SDP_QOS_DIR_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: QOS direction unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, type %s status type %s, direction %s",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
sdp_get_conf_type_name(attr_p->attr.conf.type),
sdp_get_qos_status_type_name(attr_p->attr.conf.status_type),
sdp_get_qos_direction_name(attr_p->attr.conf.direction));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_conf (sdp_t *sdp_p, sdp_attr_t *attr_p, flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s %s %s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_conf_type_name(attr_p->attr.conf.type),
sdp_get_qos_status_type_name(attr_p->attr.conf.status_type),
sdp_get_qos_direction_name(attr_p->attr.conf.direction));
return SDP_SUCCESS;
}
/*
* Parse a rtpmap or a sprtmap. Both formats use the same structure
* the only difference being the keyword "rtpmap" vs "sprtmap". The
* rtpmap field in the sdp_attr_t is used to store both mappings.
*/
sdp_result_e sdp_parse_attr_transport_map (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
attr_p->attr.transport_map.payload_num = 0;
attr_p->attr.transport_map.encname[0] = '\0';
attr_p->attr.transport_map.clockrate = 0;
attr_p->attr.transport_map.num_chan = 1;
/* Find the payload type number. */
attr_p->attr.transport_map.payload_num =
(u16)sdp_getnextnumtok(ptr, &ptr, " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid payload type specified for %s attribute.",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the encoding name. */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.transport_map.encname,
sizeof(attr_p->attr.transport_map.encname), "/ \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No encoding name specified in %s attribute.",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the clockrate. */
attr_p->attr.transport_map.clockrate =
sdp_getnextnumtok(ptr, &ptr, "/ \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No clockrate specified for "
"%s attribute, set to default of 8000.",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
attr_p->attr.transport_map.clockrate = 8000;
}
/* Find the number of channels, if specified. This is optional. */
if (*ptr == '/') {
/* If a '/' exists, expect something valid beyond it. */
attr_p->attr.transport_map.num_chan =
(u16)sdp_getnextnumtok(ptr, &ptr, "/ \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid number of channels parameter"
" for rtpmap attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, payload type %u, encoding name %s, "
"clockrate %lu", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.transport_map.payload_num,
attr_p->attr.transport_map.encname,
attr_p->attr.transport_map.clockrate);
if (attr_p->attr.transport_map.num_chan != 1) {
SDP_PRINT("/%u", attr_p->attr.transport_map.num_chan);
}
}
return (SDP_SUCCESS);
}
/*
* Build a rtpmap or a sprtmap. Both formats use the same structure
* the only difference being the keyword "rtpmap" vs "sprtmap". The
* rtpmap field in the sdp_attr_t is used for both mappings.
*/
sdp_result_e sdp_build_attr_transport_map (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
if (attr_p->attr.transport_map.num_chan == 1) {
flex_string_sprintf(fs, "a=%s:%u %s/%u\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.transport_map.payload_num,
attr_p->attr.transport_map.encname,
attr_p->attr.transport_map.clockrate);
} else {
flex_string_sprintf(fs, "a=%s:%u %s/%u/%u\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.transport_map.payload_num,
attr_p->attr.transport_map.encname,
attr_p->attr.transport_map.clockrate,
attr_p->attr.transport_map.num_chan);
}
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_subnet (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
char *slash_ptr;
sdp_result_e result;
tinybool type_found = FALSE;
char tmp[SDP_MAX_STRING_LEN];
/* Find the subnet network type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No network type specified in subnet attribute.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.subnet.nettype = SDP_NT_UNSUPPORTED;
for (i=0; i < SDP_MAX_NETWORK_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_nettype[i].name,
sdp_nettype[i].strlen) == 0) {
type_found = TRUE;
}
if (type_found == TRUE) {
if (sdp_p->conf_p->nettype_supported[i] == TRUE) {
attr_p->attr.subnet.nettype = (sdp_nettype_e)i;
}
type_found = FALSE;
}
}
if (attr_p->attr.subnet.nettype == SDP_NT_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Subnet network type unsupported (%s).",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the subnet address type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No address type specified in subnet attribute.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.subnet.addrtype = SDP_AT_UNSUPPORTED;
for (i=0; i < SDP_MAX_ADDR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_addrtype[i].name,
sdp_addrtype[i].strlen) == 0) {
type_found = TRUE;
}
if (type_found == TRUE) {
if (sdp_p->conf_p->addrtype_supported[i] == TRUE) {
attr_p->attr.subnet.addrtype = (sdp_addrtype_e)i;
}
type_found = FALSE;
}
}
if (attr_p->attr.subnet.addrtype == SDP_AT_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Subnet address type unsupported (%s).",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the subnet address. */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.subnet.addr,
sizeof(attr_p->attr.subnet.addr), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No subnet address specified in "
"subnet attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
slash_ptr = sdp_findchar(attr_p->attr.subnet.addr, "/");
if (*slash_ptr == '/') {
*slash_ptr++ = '\0';
/* If the '/' exists, expect a valid prefix to follow. */
attr_p->attr.subnet.prefix = sdp_getnextnumtok(slash_ptr,
(const char **)&slash_ptr,
" \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid subnet prefix specified in "
"subnet attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
} else {
attr_p->attr.subnet.prefix = SDP_INVALID_VALUE;
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, network %s, addr type %s, address %s ",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
sdp_get_network_name(attr_p->attr.subnet.nettype),
sdp_get_address_name(attr_p->attr.subnet.addrtype),
attr_p->attr.subnet.addr);
if (attr_p->attr.subnet.prefix != SDP_INVALID_VALUE) {
SDP_PRINT("/%u", (ushort)attr_p->attr.subnet.prefix);
}
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_subnet (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
if (attr_p->attr.subnet.prefix == SDP_INVALID_VALUE) {
flex_string_sprintf(fs, "a=%s:%s %s %s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_network_name(attr_p->attr.subnet.nettype),
sdp_get_address_name(attr_p->attr.subnet.addrtype),
attr_p->attr.subnet.addr);
} else {
flex_string_sprintf(fs, "a=%s:%s %s %s/%u\r\n",
sdp_attr[attr_p->type].name,
sdp_get_network_name(attr_p->attr.subnet.nettype),
sdp_get_address_name(attr_p->attr.subnet.addrtype),
attr_p->attr.subnet.addr,
(ushort)attr_p->attr.subnet.prefix);
}
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_t38_ratemgmt (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find the rate mgmt. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No t38 rate management specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.t38ratemgmt = SDP_T38_UNKNOWN_RATE;
for (i=0; i < SDP_T38_MAX_RATES; i++) {
if (cpr_strncasecmp(tmp, sdp_t38_rate[i].name,
sdp_t38_rate[i].strlen) == 0) {
attr_p->attr.t38ratemgmt = (sdp_t38_ratemgmt_e)i;
}
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, rate %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
sdp_get_t38_ratemgmt_name(attr_p->attr.t38ratemgmt));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_t38_ratemgmt (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_t38_ratemgmt_name(attr_p->attr.t38ratemgmt));
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_t38_udpec (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find the udpec. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No t38 udpEC specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.t38udpec = SDP_T38_UDPEC_UNKNOWN;
for (i=0; i < SDP_T38_MAX_UDPEC; i++) {
if (cpr_strncasecmp(tmp, sdp_t38_udpec[i].name,
sdp_t38_udpec[i].strlen) == 0) {
attr_p->attr.t38udpec = (sdp_t38_udpec_e)i;
}
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, udpec %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
sdp_get_t38_udpec_name(attr_p->attr.t38udpec));
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_t38_udpec (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_t38_udpec_name(attr_p->attr.t38udpec));
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_pc_codec (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
u16 i;
sdp_result_e result;
for (i=0; i < SDP_MAX_PAYLOAD_TYPES; i++) {
attr_p->attr.pccodec.payload_type[i] = (ushort)sdp_getnextnumtok(ptr, &ptr,
" \t", &result);
if (result != SDP_SUCCESS) {
break;
}
attr_p->attr.pccodec.num_payloads++;
}
if (attr_p->attr.pccodec.num_payloads == 0) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No payloads specified for %s attr.",
sdp_p->debug_str, sdp_attr[attr_p->type].name);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, num payloads %u, payloads: ",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
attr_p->attr.pccodec.num_payloads);
for (i=0; i < attr_p->attr.pccodec.num_payloads; i++) {
SDP_PRINT("%u ", attr_p->attr.pccodec.payload_type[i]);
}
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_pc_codec (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
int i;
flex_string_sprintf(fs, "a=%s: ", sdp_attr[attr_p->type].name);
for (i=0; i < attr_p->attr.pccodec.num_payloads; i++) {
flex_string_sprintf(fs, "%u ", attr_p->attr.pccodec.payload_type[i]);
}
flex_string_append(fs, "\r\n");
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_cap (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
u16 i;
sdp_result_e result;
sdp_mca_t *cap_p;
char tmp[SDP_MAX_STRING_LEN];
/* Set the capability pointer to NULL for now in case we encounter
* an error in parsing.
*/
attr_p->attr.cap_p = NULL;
/* Set the capability valid flag to FALSE in case we encounter an
* error. If we do, we don't want to process any X-cpar/cpar attributes
* from this point until we process the next valid X-cap/cdsc attr. */
sdp_p->cap_valid = FALSE;
/* Allocate resource for new capability. Note that the capability
* uses the same structure used for media lines.
*/
cap_p = sdp_alloc_mca();
if (cap_p == NULL) {
sdp_p->conf_p->num_no_resource++;
return (SDP_NO_RESOURCE);
}
/* Find the capability number. We don't need to store this since we
* calculate it for ourselves as we need to. But it must be specified. */
(void)sdp_getnextnumtok(ptr, &ptr, "/ \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Capability not specified for %s, "
"unable to parse.", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the media type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s No media type specified for %s attribute, "
"unable to parse.",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
cap_p->media = SDP_MEDIA_UNSUPPORTED;
for (i=0; i < SDP_MAX_MEDIA_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_media[i].name, sdp_media[i].strlen) == 0) {
cap_p->media = (sdp_media_e)i;
break;
}
}
if (cap_p->media == SDP_MEDIA_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Media type unsupported (%s).",
sdp_p->debug_str, tmp);
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the transport protocol type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s No transport protocol type specified, "
"unable to parse.", sdp_p->debug_str);
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
cap_p->transport = SDP_TRANSPORT_UNSUPPORTED;
for (i=0; i < SDP_MAX_TRANSPORT_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_transport[i].name,
sdp_transport[i].strlen) == 0) {
cap_p->transport = (sdp_transport_e)i;
break;
}
}
if (cap_p->transport == SDP_TRANSPORT_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Transport protocol type unsupported (%s).",
sdp_p->debug_str, tmp);
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find payload formats. AAL2 X-cap lines allow multiple
* transport/profile types per line, so these are handled differently.
*/
if ((cap_p->transport == SDP_TRANSPORT_AAL2_ITU) ||
(cap_p->transport == SDP_TRANSPORT_AAL2_ATMF) ||
(cap_p->transport == SDP_TRANSPORT_AAL2_CUSTOM)) {
/* Capability processing is not currently defined for AAL2 types
* with multiple profiles. We don't process. */
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: AAL2 profiles unsupported with "
"%s attributes.", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
} else {
/* Transport is a non-AAL2 type. Parse payloads normally. */
sdp_parse_payload_types(sdp_p, cap_p, ptr);
if (cap_p->num_payloads == 0) {
SDP_FREE(cap_p);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
}
attr_p->attr.cap_p = cap_p;
/*
* This capability attr is valid. We can now handle X-cpar or
* cpar attrs.
*/
sdp_p->cap_valid = TRUE;
sdp_p->last_cap_inst++;
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed %s media type %s, Transport %s, "
"Num payloads %u", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
sdp_get_media_name(cap_p->media),
sdp_get_transport_name(cap_p->transport),
cap_p->num_payloads);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_cap (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
u16 i, j;
sdp_mca_t *cap_p;
sdp_media_profiles_t *profile_p;
/* Get a pointer to the capability structure. */
cap_p = attr_p->attr.cap_p;
if (cap_p == NULL) {
CSFLogError(logTag, "%s Invalid %s attribute, unable to build.",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
/* Return success so build won't fail. */
return (SDP_SUCCESS);
}
/* Validate params for this capability line */
if ((cap_p->media >= SDP_MAX_MEDIA_TYPES) ||
(cap_p->transport >= SDP_MAX_TRANSPORT_TYPES)) {
CSFLogDebug(logTag, logTag, "%s Media or transport type invalid for %s "
"attribute, unable to build.", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
/* Return success so build won't fail. */
return (SDP_SUCCESS);
}
flex_string_sprintf(fs, "a=%s: %u %s ", sdp_attr[attr_p->type].name,
sdp_p->cur_cap_num, sdp_get_media_name(cap_p->media));
/* If the X-cap line has AAL2 profiles, build them differently. */
if ((cap_p->transport == SDP_TRANSPORT_AAL2_ITU) ||
(cap_p->transport == SDP_TRANSPORT_AAL2_ATMF) ||
(cap_p->transport == SDP_TRANSPORT_AAL2_CUSTOM)) {
profile_p = cap_p->media_profiles_p;
for (i=0; i < profile_p->num_profiles; i++) {
flex_string_sprintf(fs, "%s",
sdp_get_transport_name(profile_p->profile[i]));
for (j=0; j < profile_p->num_payloads[i]; j++) {
flex_string_sprintf(fs, " %u",
profile_p->payload_type[i][j]);
}
flex_string_append(fs, " ");
}
flex_string_append(fs, "\r\n");
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Built m= media line", sdp_p->debug_str);
}
return SDP_SUCCESS;
}
/* Build the transport name */
flex_string_sprintf(fs, "%s", sdp_get_transport_name(cap_p->transport));
/* Build the format lists */
for (i=0; i < cap_p->num_payloads; i++) {
if (cap_p->payload_indicator[i] == SDP_PAYLOAD_ENUM) {
flex_string_sprintf(fs, " %s",
sdp_get_payload_name((sdp_payload_e)cap_p->payload_type[i]));
} else {
flex_string_sprintf(fs, " %u", cap_p->payload_type[i]);
}
}
flex_string_append(fs, "\r\n");
/* Increment the current capability number for the next X-cap/cdsc attr. */
sdp_p->cur_cap_num += cap_p->num_payloads;
sdp_p->last_cap_type = attr_p->type;
/* Build any X-cpar/cpar attributes associated with this X-cap/cdsc line. */
return sdp_build_attr_cpar(sdp_p, cap_p->media_attrs_p, fs);
}
sdp_result_e sdp_parse_attr_cpar (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
u16 i;
sdp_result_e result;
sdp_mca_t *cap_p;
sdp_attr_t *cap_attr_p = NULL;
sdp_attr_t *prev_attr_p;
char tmp[SDP_MAX_STRING_LEN];
/* Make sure we've processed a valid X-cap/cdsc attr prior to this and
* if so, get the cap pointer. */
if (sdp_p->cap_valid == TRUE) {
sdp_attr_e cap_type;
if (attr_p->type == SDP_ATTR_CPAR) {
cap_type = SDP_ATTR_CDSC;
} else {
/* Default to X-CAP for everything else */
cap_type = SDP_ATTR_X_CAP;
}
if (sdp_p->mca_count == 0) {
cap_attr_p = sdp_find_attr(sdp_p, SDP_SESSION_LEVEL, 0,
cap_type, sdp_p->last_cap_inst);
} else {
cap_attr_p = sdp_find_attr(sdp_p, sdp_p->mca_count, 0,
cap_type, sdp_p->last_cap_inst);
}
}
if ((cap_attr_p == NULL) || (cap_attr_p->attr.cap_p == NULL)) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: %s attribute specified with no "
"prior %s attribute", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
(attr_p->type == SDP_ATTR_CPAR)?
(sdp_get_attr_name(SDP_ATTR_CDSC)) :
(sdp_get_attr_name(SDP_ATTR_X_CAP)) );
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/*
* Ensure there is no mixed syntax like CDSC followed by X-CPAR
* or X-CAP followed by CPAR.
*/
if (((cap_attr_p->type == SDP_ATTR_CDSC) &&
(attr_p->type == SDP_ATTR_X_CPAR)) ||
( (cap_attr_p->type == SDP_ATTR_X_CAP) &&
(attr_p->type == SDP_ATTR_CPAR)) ) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: %s attribute inconsistent with "
"prior %s attribute", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
sdp_get_attr_name(cap_attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
cap_p = cap_attr_p->attr.cap_p;
/* a= is the only token we handle in an X-cpar/cpar attribute. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), "= \t", &result);
if ((result != SDP_SUCCESS) || (tmp[0] != 'a') || (tmp[1] != '\0')) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid token type (%s) in %s "
"attribute, unable to parse", sdp_p->debug_str, tmp,
sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/*sa_ignore NO_NULL_CHK
*{ptr is valid since the pointer was checked earlier and the
* function would have exited if NULL.}
*/
if (*ptr == '=') {
ptr++;
}
/* Find the attribute type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), ": \t", &result);
/*sa_ignore NO_NULL_CHK
*{ptr is valid since the pointer was checked earlier and the
* function would have exited if NULL.}
*/
if (ptr[0] == ':') {
/* Skip the ':' char for parsing attribute parameters. */
ptr++;
}
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s No attribute type specified for %s attribute, unable to parse.",
sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Reset the type of the attribute from X-cpar/cpar to whatever the
* specified type is. */
attr_p->type = SDP_ATTR_INVALID;
attr_p->next_p = NULL;
for (i=0; i < SDP_MAX_ATTR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_attr[i].name, sdp_attr[i].strlen) == 0) {
attr_p->type = (sdp_attr_e)i;
}
}
if (attr_p->type == SDP_ATTR_INVALID) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Unrecognized attribute (%s) for %s attribute, unable to parse.",
sdp_p->debug_str, tmp,
sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* We don't allow recursion with the capability attributes. */
if ((attr_p->type == SDP_ATTR_X_SQN) ||
(attr_p->type == SDP_ATTR_X_CAP) ||
(attr_p->type == SDP_ATTR_X_CPAR) ||
(attr_p->type == SDP_ATTR_SQN) ||
(attr_p->type == SDP_ATTR_CDSC) ||
(attr_p->type == SDP_ATTR_CPAR)) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid attribute (%s) for %s"
" attribute, unable to parse.", sdp_p->debug_str, tmp,
sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Parse the attribute. */
result = sdp_attr[attr_p->type].parse_func(sdp_p, attr_p, ptr);
if (result != SDP_SUCCESS) {
return (result);
}
/* Hook the attribute into the capability structure. */
if (cap_p->media_attrs_p == NULL) {
cap_p->media_attrs_p = attr_p;
} else {
for (prev_attr_p = cap_p->media_attrs_p;
prev_attr_p->next_p != NULL;
prev_attr_p = prev_attr_p->next_p) {
; /* Empty for */
}
prev_attr_p->next_p = attr_p;
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_cpar (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
sdp_result_e result;
const char *cpar_name;
/* Determine whether to use cpar or X-cpar */
if (sdp_p->last_cap_type == SDP_ATTR_CDSC) {
cpar_name = sdp_get_attr_name(SDP_ATTR_CPAR);
} else {
/*
* Default to X-CPAR if anything else. This is the backward
* compatible value.
*/
cpar_name = sdp_get_attr_name(SDP_ATTR_X_CPAR);
}
while (attr_p != NULL) {
if (attr_p->type >= SDP_MAX_ATTR_TYPES) {
CSFLogDebug(logTag, "%s Invalid attribute type to build (%u)",
sdp_p->debug_str, attr_p->type);
} else {
flex_string_sprintf(fs, "a=%s: ", cpar_name);
result = sdp_attr[attr_p->type].build_func(sdp_p, attr_p, fs);
if (result == SDP_SUCCESS) {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Built %s a=%s attribute line",
sdp_p->debug_str, cpar_name,
sdp_get_attr_name(attr_p->type));
}
}
}
attr_p = attr_p->next_p;
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_parse_attr_rtr (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsing a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
tmp);
}
/*Default confirm to FALSE. */
attr_p->attr.rtr.confirm = FALSE;
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS){ // No confirm tag specified is not an error
return (SDP_SUCCESS);
} else {
/* See if confirm was specified. Defaults to FALSE. */
if (cpr_strncasecmp(tmp, "confirm", sizeof("confirm")) == 0) {
attr_p->attr.rtr.confirm = TRUE;
}
if (attr_p->attr.rtr.confirm == FALSE) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: RTR confirm parameter invalid (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
tmp);
}
return (SDP_SUCCESS);
}
}
sdp_result_e sdp_build_attr_rtr (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s%s\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.rtr.confirm ? ":confirm" : "");
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_comediadir (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
tinybool type_found = FALSE;
char tmp[SDP_MAX_STRING_LEN];
attr_p->attr.comediadir.role = SDP_MEDIADIR_ROLE_PASSIVE;
attr_p->attr.comediadir.conn_info_present = FALSE;
attr_p->attr.comediadir.conn_info.nettype = SDP_NT_INVALID;
attr_p->attr.comediadir.src_port = 0;
/* Find the media direction role. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), ": \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No role parameter specified for "
"comediadir attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.comediadir.role = SDP_MEDIADIR_ROLE_UNSUPPORTED;
for (i=0; i < SDP_MAX_MEDIADIR_ROLES; i++) {
if (cpr_strncasecmp(tmp, sdp_mediadir_role[i].name,
sdp_mediadir_role[i].strlen) == 0) {
type_found = TRUE;
attr_p->attr.comediadir.role = (sdp_mediadir_role_e)i;
break;
}
}
if (attr_p->attr.comediadir.role == SDP_MEDIADIR_ROLE_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid role type specified for "
"comediadir attribute (%s).", sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* If the role is passive, we don't expect any more params. */
if (attr_p->attr.comediadir.role == SDP_MEDIADIR_ROLE_PASSIVE) {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, passive",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
}
return (SDP_SUCCESS);
}
/* Find the connection information if present */
/* parse to get the nettype */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No network type specified in comediadir "
"attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_SUCCESS); /* as the optional parameters are not there */
}
attr_p->attr.comediadir.conn_info.nettype = SDP_NT_UNSUPPORTED;
for (i=0; i < SDP_MAX_NETWORK_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_nettype[i].name,
sdp_nettype[i].strlen) == 0) {
type_found = TRUE;
}
if (type_found == TRUE) {
if (sdp_p->conf_p->nettype_supported[i] == TRUE) {
attr_p->attr.comediadir.conn_info.nettype = (sdp_nettype_e)i;
}
type_found = FALSE;
}
}
if (attr_p->attr.comediadir.conn_info.nettype == SDP_NT_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: ConnInfo in Comediadir: network type "
"unsupported (%s).", sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
}
/* Find the comedia address type. */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No address type specified in comediadir"
" attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
}
attr_p->attr.comediadir.conn_info.addrtype = SDP_AT_UNSUPPORTED;
for (i=0; i < SDP_MAX_ADDR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_addrtype[i].name,
sdp_addrtype[i].strlen) == 0) {
type_found = TRUE;
}
if (type_found == TRUE) {
if (sdp_p->conf_p->addrtype_supported[i] == TRUE) {
attr_p->attr.comediadir.conn_info.addrtype = (sdp_addrtype_e)i;
}
type_found = FALSE;
}
}
if (attr_p->attr.comediadir.conn_info.addrtype == SDP_AT_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Conninfo address type unsupported "
"(%s).", sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
}
/* Find the conninfo address. */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.comediadir.conn_info.conn_addr,
sizeof(attr_p->attr.comediadir.conn_info.conn_addr), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No conninfo address specified in "
"comediadir attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
}
/* Find the src port info , if any */
attr_p->attr.comediadir.src_port = sdp_getnextnumtok(ptr, &ptr, " \t",
&result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No src port specified in "
"comediadir attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, network %s, addr type %s, address %s "
"srcport %u ",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
sdp_get_network_name(attr_p->attr.comediadir.conn_info.nettype),
sdp_get_address_name(attr_p->attr.comediadir.conn_info.addrtype),
attr_p->attr.comediadir.conn_info.conn_addr,
(unsigned int)attr_p->attr.comediadir.src_port);
}
if (sdp_p->conf_p->num_invalid_param > 0) {
return (SDP_INVALID_PARAMETER);
}
return (SDP_SUCCESS);
}
sdp_result_e
sdp_build_attr_comediadir (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_attr[attr_p->type].name,
sdp_get_mediadir_role_name(attr_p->attr.comediadir.role));
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_silencesupp (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
/* Find silenceSuppEnable */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s No silenceSupp enable value specified, parse failed.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (cpr_strncasecmp(tmp, "on", sizeof("on")) == 0) {
attr_p->attr.silencesupp.enabled = TRUE;
} else if (cpr_strncasecmp(tmp, "off", sizeof("off")) == 0) {
attr_p->attr.silencesupp.enabled = FALSE;
} else if (cpr_strncasecmp(tmp, "-", sizeof("-")) == 0) {
attr_p->attr.silencesupp.enabled = FALSE;
} else {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: silenceSuppEnable parameter invalid (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find silenceTimer -- u16 or "-" */
attr_p->attr.silencesupp.timer =
(u16)sdp_getnextnumtok_or_null(ptr, &ptr, " \t",
&attr_p->attr.silencesupp.timer_null,
&result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid timer value specified for "
"silenceSupp attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find suppPref */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No silenceSupp pref specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.silencesupp.pref = SDP_SILENCESUPP_PREF_UNKNOWN;
for (i=0; i < SDP_MAX_SILENCESUPP_PREF; i++) {
if (cpr_strncasecmp(tmp, sdp_silencesupp_pref[i].name,
sdp_silencesupp_pref[i].strlen) == 0) {
attr_p->attr.silencesupp.pref = (sdp_silencesupp_pref_e)i;
}
}
if (attr_p->attr.silencesupp.pref == SDP_SILENCESUPP_PREF_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: silenceSupp pref unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find sidUse */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No silenceSupp sidUse specified.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.silencesupp.siduse = SDP_SILENCESUPP_SIDUSE_UNKNOWN;
for (i=0; i < SDP_MAX_SILENCESUPP_SIDUSE; i++) {
if (cpr_strncasecmp(tmp, sdp_silencesupp_siduse[i].name,
sdp_silencesupp_siduse[i].strlen) == 0) {
attr_p->attr.silencesupp.siduse = (sdp_silencesupp_siduse_e)i;
}
}
if (attr_p->attr.silencesupp.siduse == SDP_SILENCESUPP_SIDUSE_UNKNOWN) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: silenceSupp sidUse unrecognized (%s)",
sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find fxnslevel -- u8 or "-" */
attr_p->attr.silencesupp.fxnslevel =
(u8)sdp_getnextnumtok_or_null(ptr, &ptr, " \t",
&attr_p->attr.silencesupp.fxnslevel_null,
&result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid fxnslevel value specified for "
"silenceSupp attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, enabled %s",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
(attr_p->attr.silencesupp.enabled ? "on" : "off"));
if (attr_p->attr.silencesupp.timer_null) {
SDP_PRINT(" timer=-");
} else {
SDP_PRINT(" timer=%u,", attr_p->attr.silencesupp.timer);
}
SDP_PRINT(" pref=%s, siduse=%s,",
sdp_get_silencesupp_pref_name(attr_p->attr.silencesupp.pref),
sdp_get_silencesupp_siduse_name(
attr_p->attr.silencesupp.siduse));
if (attr_p->attr.silencesupp.fxnslevel_null) {
SDP_PRINT(" fxnslevel=-");
} else {
SDP_PRINT(" fxnslevel=%u,", attr_p->attr.silencesupp.fxnslevel);
}
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_silencesupp (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
char temp_timer_string[11];
char temp_fxnslevel_string[11];
if (attr_p->attr.silencesupp.timer_null) {
snprintf(temp_timer_string, sizeof(temp_timer_string), "-");
} else {
snprintf(temp_timer_string, sizeof(temp_timer_string), "%u", attr_p->attr.silencesupp.timer);
}
if (attr_p->attr.silencesupp.fxnslevel_null) {
snprintf(temp_fxnslevel_string, sizeof(temp_fxnslevel_string), "-");
} else {
snprintf(temp_fxnslevel_string, sizeof(temp_fxnslevel_string), "%u", attr_p->attr.silencesupp.fxnslevel);
}
flex_string_sprintf(fs, "a=%s:%s %s %s %s %s\r\n",
sdp_attr[attr_p->type].name,
(attr_p->attr.silencesupp.enabled ? "on" : "off"),
temp_timer_string,
sdp_get_silencesupp_pref_name(attr_p->attr.silencesupp.pref),
sdp_get_silencesupp_siduse_name(attr_p->attr.silencesupp.siduse),
temp_fxnslevel_string);
return SDP_SUCCESS;
}
/*
* sdp_parse_context_crypto_suite
*
* This routine parses the crypto suite pointed to by str, stores the crypto suite value into the
* srtp context suite component of the LocalConnectionOptions pointed to by lco_node_ptr and stores
* pointer to the next crypto parameter in tmp_ptr
*/
tinybool sdp_parse_context_crypto_suite(char * str, sdp_attr_t *attr_p, sdp_t *sdp_p) {
/*
* Three crypto_suites are defined: (Notice no SPACE between "crypto:" and the <crypto-suite>
* AES_CM_128_HMAC_SHA1_80
* AES_CM_128_HMAC_SHA1_32
* F8_128_HMAC_SHA1_80
*/
int i;
/* Check crypto suites */
for(i=0; i<SDP_SRTP_MAX_NUM_CRYPTO_SUITES; i++) {
if (!strcasecmp(sdp_srtp_crypto_suite_array[i].crypto_suite_str, str)) {
attr_p->attr.srtp_context.suite = sdp_srtp_crypto_suite_array[i].crypto_suite_val;
attr_p->attr.srtp_context.master_key_size_bytes =
sdp_srtp_crypto_suite_array[i].key_size_bytes;
attr_p->attr.srtp_context.master_salt_size_bytes =
sdp_srtp_crypto_suite_array[i].salt_size_bytes;
return TRUE; /* There is a succesful match so exit */
}
}
/* couldn't find a matching crypto suite */
sdp_parse_error(sdp_p->peerconnection,
"%s No Matching crypto suite for SRTP Context(%s)-'X-crypto:v1' expected",
sdp_p->debug_str, str);
return FALSE;
}
sdp_result_e sdp_build_attr_srtpcontext (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
#define MAX_BASE64_ENCODE_SIZE_BYTES 60
int output_len = MAX_BASE64_ENCODE_SIZE_BYTES;
int key_size = attr_p->attr.srtp_context.master_key_size_bytes;
int salt_size = attr_p->attr.srtp_context.master_salt_size_bytes;
unsigned char base64_encoded_data[MAX_BASE64_ENCODE_SIZE_BYTES];
unsigned char base64_encoded_input[MAX_BASE64_ENCODE_SIZE_BYTES];
base64_result_t status;
output_len = MAX_BASE64_ENCODE_SIZE_BYTES;
/* Append master and salt keys */
bcopy(attr_p->attr.srtp_context.master_key, base64_encoded_input,
key_size );
bcopy(attr_p->attr.srtp_context.master_salt,
base64_encoded_input + key_size, salt_size );
if ((status = base64_encode(base64_encoded_input, key_size + salt_size,
base64_encoded_data, &output_len)) != BASE64_SUCCESS) {
if (sdp_p->debug_flag[SDP_DEBUG_ERRORS]) {
CSFLogError(logTag, "%s Error: Failure to Base64 Encoded data (%s) ",
sdp_p->debug_str, BASE64_RESULT_TO_STRING(status));
}
return (SDP_INVALID_PARAMETER);
}
*(base64_encoded_data + output_len) = '\0';
flex_string_sprintf(fs, "a=%s:%s inline:%s||\r\n",
sdp_attr[attr_p->type].name,
sdp_srtp_context_crypto_suite[attr_p->attr.srtp_context.suite].name,
base64_encoded_data);
return SDP_SUCCESS;
}
/*
* sdp_parse_attr_mptime
* This function parses the a=mptime sdp line. This parameter consists of
* one or more numbers or hyphens ("-"). The first parameter must be a
* number. The number of parameters must match the number of formats specified
* on the m= line. This function is liberal in that it does not match against
* the m= line or require a number for the first parameter.
*/
sdp_result_e sdp_parse_attr_mptime (
sdp_t *sdp_p,
sdp_attr_t *attr_p,
const char *ptr)
{
u16 i; /* loop counter for parameters */
sdp_result_e result; /* value returned by this function */
tinybool null_ind; /* true if a parameter is "-" */
/*
* Scan the input line up to the maximum number of parameters supported.
* Look for numbers or hyphens and store the resulting values. Hyphens
* are stored as zeros.
*/
for (i=0; i<SDP_MAX_PAYLOAD_TYPES; i++) {
attr_p->attr.mptime.intervals[i] =
(ushort)sdp_getnextnumtok_or_null(ptr,&ptr," \t",&null_ind,&result);
if (result != SDP_SUCCESS) {
break;
}
attr_p->attr.mptime.num_intervals++;
}
/*
* At least one parameter must be supplied. If not, return an error
* and optionally log the failure.
*/
if (attr_p->attr.mptime.num_intervals == 0) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No intervals specified for %s attr.",
sdp_p->debug_str, sdp_attr[attr_p->type].name);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/*
* Here is some debugging code that helps us track what data
* is received and parsed.
*/
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, num intervals %u, intervals: ",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type),
attr_p->attr.mptime.num_intervals);
for (i=0; i < attr_p->attr.mptime.num_intervals; i++) {
SDP_PRINT("%u ", attr_p->attr.mptime.intervals[i]);
}
}
return SDP_SUCCESS;
}
/*
* sdp_build_attr_mptime
* This function builds the a=mptime sdp line. It reads the selected attribute
* from the sdp structure. Parameters with a value of zero are replaced by
* hyphens.
*/
sdp_result_e sdp_build_attr_mptime (
sdp_t *sdp_p,
sdp_attr_t *attr_p,
flex_string *fs)
{
int i;
flex_string_sprintf(fs, "a=%s:", sdp_attr[attr_p->type].name);
/*
* Run the list of mptime parameter values and write each one
* to the sdp line. Replace zeros with hyphens.
*/
for (i=0; i < attr_p->attr.mptime.num_intervals; i++) {
if (i > 0) {
flex_string_append(fs, " ");
}
if (attr_p->attr.mptime.intervals[i] == 0) {
flex_string_append(fs, "-");
} else {
flex_string_sprintf(fs, "%u", attr_p->attr.mptime.intervals[i]);
}
}
flex_string_append(fs, "\r\n");
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_x_sidin (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
attr_p->attr.stream_data.x_sidin[0] = '\0';
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsing a=%s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
/* Find the X-sidin value */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.stream_data.x_sidin,
sizeof(attr_p->attr.stream_data.x_sidin), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No Stream Id incoming specified for X-sidin attribute.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.stream_data.x_sidin);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_x_sidin (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.stream_data.x_sidin);
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_x_sidout (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
attr_p->attr.stream_data.x_sidout[0] = '\0';
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsing a=%s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
/* Find the X-sidout value */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.stream_data.x_sidout,
sizeof(attr_p->attr.stream_data.x_sidout), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No Stream Id outgoing specified for X-sidout attribute.",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.stream_data.x_sidout);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_x_sidout (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.stream_data.x_sidout);
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_x_confid (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
attr_p->attr.stream_data.x_confid[0] = '\0';
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsing a=%s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
/* Find the X-confid value */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.stream_data.x_confid,
sizeof(attr_p->attr.stream_data.x_confid), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No Conf Id incoming specified for "
"X-confid attribute.", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.stream_data.x_confid);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_x_confid (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
if (strlen(attr_p->attr.stream_data.x_confid) <= 0) {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s X-confid value is not set. Cannot build a=X-confid line\n",
sdp_p->debug_str);
}
return SDP_INVALID_PARAMETER;
}
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.stream_data.x_confid);
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_group (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
char tmp[10];
int i=0;
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsing a=%s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type));
}
/* Find the a=group:<attrib> <id1> < id2> ... values */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No group attribute value specified for "
"a=group line", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
attr_p->attr.stream_data.group_attr = SDP_GROUP_ATTR_UNSUPPORTED;
for (i=0; i < SDP_MAX_GROUP_ATTR_VAL; i++) {
if (cpr_strncasecmp(tmp, sdp_group_attr_val[i].name,
sdp_group_attr_val[i].strlen) == 0) {
attr_p->attr.stream_data.group_attr = (sdp_group_attr_e)i;
break;
}
}
if (attr_p->attr.stream_data.group_attr == SDP_GROUP_ATTR_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Group attribute type unsupported (%s).",
sdp_p->debug_str, tmp);
}
/*
* Scan the input line up after group:<attr> to the maximum number
* of id available.
*/
attr_p->attr.stream_data.num_group_id =0;
for (i=0; i<SDP_MAX_GROUP_STREAM_ID; i++) {
attr_p->attr.stream_data.group_id_arr[i] =
(u16)sdp_getnextnumtok(ptr,&ptr," \t", &result);
if (result != SDP_SUCCESS) {
break;
}
attr_p->attr.stream_data.num_group_id++;
}
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s:%s\n", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
sdp_get_group_attr_name (attr_p->attr.stream_data.group_attr));
for (i=0; i < attr_p->attr.stream_data.num_group_id; i++) {
SDP_PRINT("%s Parsed group line id : %d\n", sdp_p->debug_str,
attr_p->attr.stream_data.group_id_arr[i]);
}
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_group (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
int i;
flex_string_sprintf(fs, "a=%s:%s",
sdp_attr[attr_p->type].name,
sdp_get_group_attr_name(attr_p->attr.stream_data.group_attr));
for (i=0; i < attr_p->attr.stream_data.num_group_id; i++) {
if (attr_p->attr.stream_data.group_id_arr[i] > 0) {
flex_string_sprintf(fs, " %u",
attr_p->attr.stream_data.group_id_arr[i]);
}
}
flex_string_append(fs, "\r\n");
return SDP_SUCCESS;
}
/* Parse the source-filter attribute
* "a=source-filter:<filter-mode><filter-spec>"
* <filter-spec> = <nettype><addrtype><dest-addr><src_addr><src_addr>...
*/
sdp_result_e sdp_parse_attr_source_filter (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
int i;
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
attr_p->attr.source_filter.mode = SDP_FILTER_MODE_NOT_PRESENT;
attr_p->attr.source_filter.nettype = SDP_NT_UNSUPPORTED;
attr_p->attr.source_filter.addrtype = SDP_AT_UNSUPPORTED;
attr_p->attr.source_filter.dest_addr[0] = '\0';
attr_p->attr.source_filter.num_src_addr = 0;
/* Find the filter mode */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No src filter attribute value specified for "
"a=source-filter line", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
for (i = 0; i < SDP_MAX_FILTER_MODE; i++) {
if (cpr_strncasecmp(tmp, sdp_src_filter_mode_val[i].name,
sdp_src_filter_mode_val[i].strlen) == 0) {
attr_p->attr.source_filter.mode = (sdp_src_filter_mode_e)i;
break;
}
}
if (attr_p->attr.source_filter.mode == SDP_FILTER_MODE_NOT_PRESENT) {
/* No point continuing */
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid src filter mode for a=source-filter "
"line", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the network type */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
for (i = 0; i < SDP_MAX_NETWORK_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_nettype[i].name,
sdp_nettype[i].strlen) == 0) {
if (sdp_p->conf_p->nettype_supported[i] == TRUE) {
attr_p->attr.source_filter.nettype = (sdp_nettype_e)i;
}
}
}
if (attr_p->attr.source_filter.nettype == SDP_NT_UNSUPPORTED) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Network type unsupported "
"(%s) for a=source-filter", sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the address type */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
for (i = 0; i < SDP_MAX_ADDR_TYPES; i++) {
if (cpr_strncasecmp(tmp, sdp_addrtype[i].name,
sdp_addrtype[i].strlen) == 0) {
if (sdp_p->conf_p->addrtype_supported[i] == TRUE) {
attr_p->attr.source_filter.addrtype = (sdp_addrtype_e)i;
}
}
}
if (attr_p->attr.source_filter.addrtype == SDP_AT_UNSUPPORTED) {
if (strncmp(tmp, "*", 1) == 0) {
attr_p->attr.source_filter.addrtype = SDP_AT_FQDN;
} else {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Address type unsupported "
"(%s) for a=source-filter", sdp_p->debug_str, tmp);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
}
/* Find the destination addr */
ptr = sdp_getnextstrtok(ptr, attr_p->attr.source_filter.dest_addr,
sizeof(attr_p->attr.source_filter.dest_addr), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s No filter destination address specified for "
"a=source-filter", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* Find the list of source address to apply the filter */
for (i = 0; i < SDP_MAX_SRC_ADDR_LIST; i++) {
ptr = sdp_getnextstrtok(ptr, attr_p->attr.source_filter.src_list[i],
sizeof(attr_p->attr.source_filter.src_list[i]), " \t", &result);
if (result != SDP_SUCCESS) {
break;
}
attr_p->attr.source_filter.num_src_addr++;
}
if (attr_p->attr.source_filter.num_src_addr == 0) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No source list provided "
"for a=source-filter", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_source_filter (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
int i;
flex_string_sprintf(fs, "a=%s:%s %s %s %s",
sdp_get_attr_name(attr_p->type),
sdp_get_src_filter_mode_name(attr_p->attr.source_filter.mode),
sdp_get_network_name(attr_p->attr.source_filter.nettype),
sdp_get_address_name(attr_p->attr.source_filter.addrtype),
attr_p->attr.source_filter.dest_addr);
for (i = 0; i < attr_p->attr.source_filter.num_src_addr; i++) {
flex_string_append(fs, " ");
flex_string_append(fs, attr_p->attr.source_filter.src_list[i]);
}
flex_string_append(fs, "\r\n");
return SDP_SUCCESS;
}
/* Parse the rtcp-unicast attribute
* "a=rtcp-unicast:<reflection|rsi>"
*/
sdp_result_e sdp_parse_attr_rtcp_unicast (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
u32 i;
char tmp[SDP_MAX_STRING_LEN];
attr_p->attr.u32_val = SDP_RTCP_UNICAST_MODE_NOT_PRESENT;
memset(tmp, 0, sizeof(tmp));
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No rtcp unicast mode specified for "
"a=rtcp-unicast line", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
for (i = 0; i < SDP_RTCP_MAX_UNICAST_MODE; i++) {
if (cpr_strncasecmp(tmp, sdp_rtcp_unicast_mode_val[i].name,
sdp_rtcp_unicast_mode_val[i].strlen) == 0) {
attr_p->attr.u32_val = i;
break;
}
}
if (attr_p->attr.u32_val == SDP_RTCP_UNICAST_MODE_NOT_PRESENT) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: Invalid rtcp unicast mode for "
"a=rtcp-unicast line", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_build_attr_rtcp_unicast (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
if (attr_p->attr.u32_val >= SDP_RTCP_MAX_UNICAST_MODE) {
return SDP_INVALID_PARAMETER;
}
flex_string_sprintf(fs, "a=%s:%s\r\n",
sdp_get_attr_name(attr_p->type),
sdp_get_rtcp_unicast_mode_name((sdp_rtcp_unicast_mode_e)attr_p->attr.u32_val));
return SDP_SUCCESS;
}
/*
* store_sdescriptions_mki_or_lifetime
*
* Verifies the syntax of the MKI or lifetime parameter and stores
* it in the sdescriptions attribute struct.
*
* Inputs:
* buf - pointer to MKI or lifetime string assumes string is null
* terminated.
* attr_p - pointer to attribute struct
*
* Outputs:
* Return TRUE all is good otherwise FALSE for error.
*/
tinybool
store_sdescriptions_mki_or_lifetime (char *buf, sdp_attr_t *attr_p)
{
tinybool result;
u16 mkiLen;
char mkiValue[SDP_SRTP_MAX_MKI_SIZE_BYTES];
/* MKI has a colon */
if (strstr(buf, ":")) {
result = verify_sdescriptions_mki(buf, mkiValue, &mkiLen);
if (result) {
attr_p->attr.srtp_context.mki_size_bytes = mkiLen;
sstrncpy((char*)attr_p->attr.srtp_context.mki, mkiValue,
SDP_SRTP_MAX_MKI_SIZE_BYTES);
}
} else {
result = verify_sdescriptions_lifetime(buf);
if (result) {
sstrncpy((char*)attr_p->attr.srtp_context.master_key_lifetime, buf,
SDP_SRTP_MAX_LIFETIME_BYTES);
}
}
return result;
}
/*
* sdp_parse_sdescriptions_key_param
*
* This routine parses the srtp key-params pointed to by str.
*
* key-params = <key-method> ":" <key-info>
* key-method = "inline" / key-method-ext [note V9 only supports 'inline']
* key-info = srtp-key-info
* srtp-key-info = key-salt ["|" lifetime] ["|" mki]
* key-salt = 1*(base64) ; binary key and salt values
* ; concatenated together, and then
* ; base64 encoded [section 6.8 of
* ; RFC2046]
*
* lifetime = ["2^"] 1*(DIGIT)
* mki = mki-value ":" mki-length
* mki-value = 1*DIGIT
* mki-length = 1*3DIGIT ; range 1..128.
*
* Inputs: str - pointer to beginning of key-params and assumes
* null terminated string.
*/
tinybool
sdp_parse_sdescriptions_key_param (const char *str, sdp_attr_t *attr_p,
sdp_t *sdp_p)
{
char buf[SDP_MAX_STRING_LEN],
base64decodeData[SDP_MAX_STRING_LEN];
const char *ptr;
sdp_result_e result = SDP_SUCCESS;
tinybool keyFound = FALSE;
int len,
keySize,
saltSize;
base64_result_t status;
ptr = str;
if (cpr_strncasecmp(ptr, "inline:", 7) != 0) {
sdp_parse_error(sdp_p->peerconnection,
"%s Could not find keyword inline", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return FALSE;
}
/* advance pass the inline key word */
ptr = ptr + 7;
ptr = sdp_getnextstrtok(ptr, buf, sizeof(buf), "|", &result);
while (result == SDP_SUCCESS) {
/* the fist time this loop executes, the key is gotten */
if (keyFound == FALSE) {
keyFound = TRUE;
len = SDP_MAX_STRING_LEN;
/* The key is base64 encoded composed of the master key concatenated with the
* master salt.
*/
status = base64_decode((unsigned char *)buf, strlen(buf),
(unsigned char *)base64decodeData, &len);
if (status != BASE64_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s key-salt error decoding buffer: %s",
sdp_p->debug_str, BASE64_RESULT_TO_STRING(status));
return FALSE;
}
keySize = attr_p->attr.srtp_context.master_key_size_bytes;
saltSize = attr_p->attr.srtp_context.master_salt_size_bytes;
if (len != keySize + saltSize) {
sdp_parse_error(sdp_p->peerconnection,
"%s key-salt size doesn't match: (%d, %d, %d)",
sdp_p->debug_str, len, keySize, saltSize);
return(FALSE);
}
bcopy(base64decodeData, attr_p->attr.srtp_context.master_key, keySize);
bcopy(base64decodeData + keySize,
attr_p->attr.srtp_context.master_salt, saltSize);
/* Used only for MGCP */
SDP_SRTP_CONTEXT_SET_MASTER_KEY
(attr_p->attr.srtp_context.selection_flags);
SDP_SRTP_CONTEXT_SET_MASTER_SALT
(attr_p->attr.srtp_context.selection_flags);
} else if (store_sdescriptions_mki_or_lifetime(buf, attr_p) == FALSE) {
return FALSE;
}
/* if we haven't reached the end of line, get the next token */
ptr = sdp_getnextstrtok(ptr, buf, sizeof(buf), "|", &result);
}
/* if we didn't find the key, error out */
if (keyFound == FALSE) {
sdp_parse_error(sdp_p->peerconnection,
"%s Could not find sdescriptions key", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return FALSE;
}
return TRUE;
}
/*
* sdp_build_attr_sdescriptions
*
* Builds a=crypto line for attribute type SDP_ATTR_SDESCRIPTIONS.
*
* a=crypto:tag 1*WSP crypto-suite 1*WSP key-params
*
* Where key-params = inline: <key|salt> ["|"lifetime] ["|" MKI:length]
* The key and salt is base64 encoded and lifetime and MKI/length are optional.
*/
sdp_result_e
sdp_build_attr_sdescriptions (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs)
{
unsigned char base64_encoded_data[MAX_BASE64_STRING_LEN];
unsigned char base64_encoded_input[MAX_BASE64_STRING_LEN];
int keySize,
saltSize,
outputLen;
base64_result_t status;
keySize = attr_p->attr.srtp_context.master_key_size_bytes;
saltSize = attr_p->attr.srtp_context.master_salt_size_bytes;
/* concatenate the master key + salt then base64 encode it */
bcopy(attr_p->attr.srtp_context.master_key,
base64_encoded_input, keySize);
bcopy(attr_p->attr.srtp_context.master_salt,
base64_encoded_input + keySize, saltSize);
outputLen = MAX_BASE64_STRING_LEN;
status = base64_encode(base64_encoded_input, keySize + saltSize,
base64_encoded_data, &outputLen);
if (status != BASE64_SUCCESS) {
if (sdp_p->debug_flag[SDP_DEBUG_ERRORS]) {
CSFLogError(logTag, "%s Error: Failure to Base64 Encoded data (%s) ",
sdp_p->debug_str, BASE64_RESULT_TO_STRING(status));
}
return (SDP_INVALID_PARAMETER);
}
base64_encoded_data[outputLen] = 0;
/* lifetime and MKI parameters are optional. Only inlcude them if
* they were set.
*/
if (attr_p->attr.srtp_context.master_key_lifetime[0] != 0 &&
attr_p->attr.srtp_context.mki[0] != 0) {
flex_string_sprintf(fs, "a=%s:%d %s inline:%s|%s|%s:%d\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.srtp_context.tag,
sdp_srtp_context_crypto_suite[attr_p->attr.srtp_context.suite].name,
base64_encoded_data,
attr_p->attr.srtp_context.master_key_lifetime,
attr_p->attr.srtp_context.mki,
attr_p->attr.srtp_context.mki_size_bytes);
return SDP_SUCCESS;
}
/* if we get here, either lifetime is populated and mki and is not or mki is populated
* and lifetime is not or neither is populated
*/
if (attr_p->attr.srtp_context.master_key_lifetime[0] != 0) {
flex_string_sprintf(fs, "a=%s:%d %s inline:%s|%s\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.srtp_context.tag,
sdp_srtp_context_crypto_suite[attr_p->attr.srtp_context.suite].name,
base64_encoded_data,
attr_p->attr.srtp_context.master_key_lifetime);
} else if (attr_p->attr.srtp_context.mki[0] != 0) {
flex_string_sprintf(fs, "a=%s:%d %s inline:%s|%s:%d\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.srtp_context.tag,
sdp_srtp_context_crypto_suite[attr_p->attr.srtp_context.suite].name,
base64_encoded_data,
attr_p->attr.srtp_context.mki,
attr_p->attr.srtp_context.mki_size_bytes);
} else {
flex_string_sprintf(fs, "a=%s:%d %s inline:%s\r\n",
sdp_attr[attr_p->type].name,
attr_p->attr.srtp_context.tag,
sdp_srtp_context_crypto_suite[attr_p->attr.srtp_context.suite].name,
base64_encoded_data);
}
return SDP_SUCCESS;
}
/*
* sdp_parse_attr_srtp
*
* Parses Session Description for Protocol Security Descriptions
* version 2 or version 9. Grammar is of the form:
*
* a=crypto:<tag> <crypto-suite> <key-params> [<session-params>]
*
* Note session-params is not supported and will not be parsed.
* Version 2 does not contain a tag.
*
* Inputs:
* sdp_p - pointer to sdp handle
* attr_p - pointer to attribute structure
* ptr - pointer to string to be parsed
* vtype - version type
*/
sdp_result_e
sdp_parse_attr_srtp (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr, sdp_attr_e vtype)
{
char tmp[SDP_MAX_STRING_LEN];
sdp_result_e result = SDP_FAILURE;
int k = 0;
/* initialize only the optional parameters */
attr_p->attr.srtp_context.master_key_lifetime[0] = 0;
attr_p->attr.srtp_context.mki[0] = 0;
/* used only for MGCP */
SDP_SRTP_CONTEXT_SET_ENCRYPT_AUTHENTICATE
(attr_p->attr.srtp_context.selection_flags);
/* get the tag only if we are version 9 */
if (vtype == SDP_ATTR_SDESCRIPTIONS) {
attr_p->attr.srtp_context.tag =
sdp_getnextnumtok(ptr, &ptr, " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Could not find sdescriptions tag",
sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
}
/* get the crypto suite */
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Could not find sdescriptions crypto suite", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (!sdp_parse_context_crypto_suite(tmp, attr_p, sdp_p)) {
sdp_parse_error(sdp_p->peerconnection,
"%s Unsupported crypto suite", sdp_p->debug_str);
return (SDP_INVALID_PARAMETER);
}
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), " \t", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Could not find sdescriptions key params", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
if (!sdp_parse_sdescriptions_key_param(tmp, attr_p, sdp_p)) {
sdp_parse_error(sdp_p->peerconnection,
"%s Failed to parse key-params", sdp_p->debug_str);
return (SDP_INVALID_PARAMETER);
}
/* if there are session parameters, scan the session parameters
* into tmp until we reach end of line. Currently the sdp parser
* does not parse session parameters but if they are present,
* we store them for the application.
*/
/*sa_ignore NO_NULL_CHK
*{ptr is valid since the pointer was checked earlier and the
* function would have exited if NULL.}
*/
while (*ptr && *ptr != '\n' && *ptr != '\r' && k < SDP_MAX_STRING_LEN) {
tmp[k++] = *ptr++;
}
if ((k) && (k < SDP_MAX_STRING_LEN)) {
tmp[k] = 0;
attr_p->attr.srtp_context.session_parameters = cpr_strdup(tmp);
}
return SDP_SUCCESS;
}
/* Parses crypto attribute based on the sdescriptions version
* 9 grammar.
*
*/
sdp_result_e
sdp_parse_attr_sdescriptions (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
return sdp_parse_attr_srtp(sdp_p, attr_p, ptr,
SDP_ATTR_SDESCRIPTIONS);
}
/* Parses X-crypto attribute based on the sdescriptions version
* 2 grammar.
*
*/
sdp_result_e sdp_parse_attr_srtpcontext (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
return sdp_parse_attr_srtp(sdp_p, attr_p, ptr,
SDP_ATTR_SRTP_CONTEXT);
}
sdp_result_e sdp_build_attr_ice_attr (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs) {
flex_string_sprintf(fs, "a=%s\r\n", attr_p->attr.ice_attr);
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_ice_attr (sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr) {
sdp_result_e result;
char tmp[SDP_MAX_STRING_LEN];
ptr = sdp_getnextstrtok(ptr, tmp, sizeof(tmp), "\r\n", &result);
if (result != SDP_SUCCESS){
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: problem parsing ice attribute ", sdp_p->debug_str);
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
}
/* We need the attr= here. This is pretty gross. */
snprintf(attr_p->attr.ice_attr, sizeof(attr_p->attr.ice_attr),
"%s:%s", sdp_get_attr_name(attr_p->type), tmp);
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str, sdp_get_attr_name(attr_p->type), tmp);
}
return (SDP_SUCCESS);
}
sdp_result_e sdp_parse_attr_fingerprint_attr (sdp_t *sdp_p, sdp_attr_t *attr_p,
const char *ptr)
{
sdp_result_e result;
ptr = sdp_getnextstrtok(ptr, attr_p->attr.string_val, sizeof(attr_p->attr.string_val), "\r\n", &result);
if (result != SDP_SUCCESS) {
sdp_parse_error(sdp_p->peerconnection,
"%s Warning: No string token found for %s attribute",
sdp_p->debug_str, sdp_get_attr_name(attr_p->type));
sdp_p->conf_p->num_invalid_param++;
return (SDP_INVALID_PARAMETER);
} else {
if (sdp_p->debug_flag[SDP_DEBUG_TRACE]) {
SDP_PRINT("%s Parsed a=%s, %s", sdp_p->debug_str,
sdp_get_attr_name(attr_p->type),
attr_p->attr.string_val);
}
return (SDP_SUCCESS);
}
}
sdp_result_e sdp_build_attr_rtcp_mux_attr (sdp_t *sdp_p, sdp_attr_t *attr_p,
flex_string *fs) {
flex_string_append(fs, "a=rtcp-mux\r\n");
return SDP_SUCCESS;
}
sdp_result_e sdp_parse_attr_rtcp_mux_attr (sdp_t *sdp_p, sdp_attr_t *attr_p, const char *ptr) {
attr_p->attr.boolean_val = TRUE;
return (SDP_SUCCESS);
}
Reference in new issue View Git Blame Copy Permalink