73ef4ff3
 Hu Chunming
提交三方库
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/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001-2020 Aymeric MOIZARD amoizard@antisip.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <osipparser2/internal.h>
#include <osipparser2/osip_port.h>
#include <osipparser2/osip_message.h>
#include <osipparser2/osip_parser.h>
#include "parser.h"
int osip_message_set_call_info(osip_message_t *sip, const char *hvalue) {
osip_call_info_t *call_info;
int i;
if (hvalue == NULL || hvalue[0] == '\0')
return OSIP_SUCCESS;
i = osip_call_info_init(&call_info);
if (i != 0)
return i;
i = osip_call_info_parse(call_info, hvalue);
if (i != 0) { /* allocation failed */
osip_call_info_free(call_info);
return i;
}
sip->message_property = 2;
osip_list_add(&sip->call_infos, call_info, -1);
return OSIP_SUCCESS;
}
int osip_message_get_call_info(const osip_message_t *sip, int pos, osip_call_info_t **dest) {
osip_call_info_t *call_info;
*dest = NULL;
if (osip_list_size(&sip->call_infos) <= pos)
return OSIP_UNDEFINED_ERROR; /* does not exist */
call_info = (osip_call_info_t *) osip_list_get(&sip->call_infos, pos);
*dest = call_info;
return pos;
}
int osip_call_info_init(osip_call_info_t **call_info) {
*call_info = (osip_call_info_t *) osip_malloc(sizeof(osip_call_info_t));
if (*call_info == NULL)
return OSIP_NOMEM;
(*call_info)->element = NULL;
osip_list_init(&(*call_info)->gen_params);
return OSIP_SUCCESS;
}
int osip_call_info_parse(osip_call_info_t *call_info, const char *hvalue) {
const char *osip_call_info_params;
int i;
osip_call_info_params = strchr(hvalue, '<');
if (osip_call_info_params == NULL)
return OSIP_SYNTAXERROR;
osip_call_info_params = strchr(osip_call_info_params + 1, '>');
if (osip_call_info_params == NULL)
return OSIP_SYNTAXERROR;
osip_call_info_params = strchr(osip_call_info_params + 1, ';');
if (osip_call_info_params != NULL) {
i = __osip_generic_param_parseall(&call_info->gen_params, osip_call_info_params);
if (i != 0)
return i;
} else
osip_call_info_params = hvalue + strlen(hvalue);
if (osip_call_info_params - hvalue + 1 < 2)
return OSIP_SYNTAXERROR;
call_info->element = (char *) osip_malloc(osip_call_info_params - hvalue + 1);
if (call_info->element == NULL)
return OSIP_NOMEM;
osip_clrncpy(call_info->element, hvalue, osip_call_info_params - hvalue);
return OSIP_SUCCESS;
}
/* returns the call_info header as a string. */
/* INPUT : osip_call_info_t *call_info | call_info header. */
/* returns null on error. */
int osip_call_info_to_str(const osip_call_info_t *call_info, char **dest) {
char *buf;
char *tmp;
size_t len;
size_t plen;
*dest = NULL;
if ((call_info == NULL) || (call_info->element == NULL))
return OSIP_BADPARAMETER;
len = strlen(call_info->element) + 2;
buf = (char *) osip_malloc(len);
if (buf == NULL)
return OSIP_NOMEM;
*dest = buf;
sprintf(buf, "%s", call_info->element);
{
osip_list_iterator_t it;
osip_generic_param_t *u_param = (osip_generic_param_t *) osip_list_get_first(&call_info->gen_params, &it);
while (u_param != OSIP_SUCCESS) {
if (u_param->gvalue == NULL)
plen = strlen(u_param->gname) + 2;
else
plen = strlen(u_param->gname) + strlen(u_param->gvalue) + 3;
len = len + plen;
buf = (char *) osip_realloc(buf, len);
tmp = buf;
tmp = tmp + strlen(tmp);
if (u_param->gvalue == NULL)
sprintf(tmp, ";%s", u_param->gname);
else
sprintf(tmp, ";%s=%s", u_param->gname, u_param->gvalue);
u_param = (osip_generic_param_t *) osip_list_get_next(&it);
}
}
*dest = buf;
return OSIP_SUCCESS;
}
/* deallocates a osip_call_info_t structure. */
/* INPUT : osip_call_info_t *call_info | call_info. */
void osip_call_info_free(osip_call_info_t *call_info) {
if (call_info == NULL)
return;
osip_free(call_info->element);
osip_generic_param_freelist(&call_info->gen_params);
call_info->element = NULL;
osip_free(call_info);
}
int osip_call_info_clone(const osip_call_info_t *ctt, osip_call_info_t **dest) {
int i;
osip_call_info_t *ct;
*dest = NULL;
if (ctt == NULL)
return OSIP_BADPARAMETER;
if (ctt->element == NULL)
return OSIP_BADPARAMETER;
i = osip_call_info_init(&ct);
if (i != 0) /* allocation failed */
return i;
ct->element = osip_strdup(ctt->element);
if (ct->element == NULL) {
osip_call_info_free(ct);
return OSIP_NOMEM;
}
i = osip_list_clone(&ctt->gen_params, &ct->gen_params, (int (*)(void *, void **)) & osip_generic_param_clone);
if (i != 0) {
osip_call_info_free(ct);
return i;
}
*dest = ct;
return OSIP_SUCCESS;
}
char *osip_call_info_get_uri(osip_call_info_t *ae) {
return ae->element;
}
void osip_call_info_set_uri(osip_call_info_t *ae, char *uri) {
ae->element = uri;
}
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