static int _osip_message_to_str (osip_message_t * sip, char **dest, size_t * message_length, int sipfrag) { size_t malloc_size; size_t total_length = 0; /* Added at SIPit day1 */ char *start_of_bodies; char *content_length_to_modify = NULL; char *message; char *next; char *tmp; int pos; int i; char *boundary = NULL; malloc_size = SIP_MESSAGE_MAX_LENGTH; *dest = NULL; if (sip == NULL) return OSIP_BADPARAMETER; { if (1 == osip_message_get__property (sip)) { /* message is already available in "message" */ *dest = osip_malloc (sip->message_length + 1); if (*dest == NULL) return OSIP_NOMEM; memcpy (*dest, sip->message, sip->message_length); (*dest)[sip->message_length] = '\0'; if (message_length != NULL) *message_length = sip->message_length; return OSIP_SUCCESS; } else { /* message should be rebuilt: delete the old one if exists. */ osip_free (sip->message); sip->message = NULL; } } message = (char *) osip_malloc (SIP_MESSAGE_MAX_LENGTH); /* ???? message could be > 4000 */ if (message == NULL) return OSIP_NOMEM; *dest = message; /* add the first line of message */ i = __osip_message_startline_to_str (sip, &tmp); if (i != 0) { if (!sipfrag) { osip_free (*dest); *dest = NULL; return i; } /* A start-line isn't required for message/sipfrag parts. */ } else { message = osip_str_append (message, tmp); osip_free (tmp); message = osip_strn_append (message, CRLF, 2); } { struct to_str_table { char header_name[30]; int header_length; osip_list_t *header_list; void *header_data; int (*to_str) (void *, char **); } #ifndef MINISIZE table[25] = #else table[15] = #endif { { "Via: ", 5, NULL, NULL, (int (*)(void *, char **)) &osip_via_to_str}, { "Record-Route: ", 14, NULL, NULL, (int (*)(void *, char **)) &osip_record_route_to_str}, { "Route: ", 7, NULL, NULL, (int (*)(void *, char **)) &osip_route_to_str}, { "From: ", 6, NULL, NULL, (int (*)(void *, char **)) &osip_from_to_str}, { "To: ", 4, NULL, NULL, (int (*)(void *, char **)) &osip_to_to_str}, { "Call-ID: ", 9, NULL, NULL, (int (*)(void *, char **)) &osip_call_id_to_str}, { "CSeq: ", 6, NULL, NULL, (int (*)(void *, char **)) &osip_cseq_to_str}, { "Contact: ", 9, NULL, NULL, (int (*)(void *, char **)) &osip_contact_to_str}, { "Authorization: ", 15, NULL, NULL, (int (*)(void *, char **)) &osip_authorization_to_str}, { "WWW-Authenticate: ", 18, NULL, NULL, (int (*)(void *, char **)) &osip_www_authenticate_to_str}, { "Proxy-Authenticate: ", 20, NULL, NULL, (int (*)(void *, char **)) &osip_www_authenticate_to_str}, { "Proxy-Authorization: ", 21, NULL, NULL, (int (*)(void *, char **)) &osip_authorization_to_str}, { "Content-Type: ", 14, NULL, NULL, (int (*)(void *, char **)) &osip_content_type_to_str}, { "Mime-Version: ", 14, NULL, NULL, (int (*)(void *, char **)) &osip_content_length_to_str}, #ifndef MINISIZE { "Allow: ", 7, NULL, NULL, (int (*)(void *, char **)) &osip_allow_to_str}, { "Content-Encoding: ", 18, NULL, NULL, (int (*)(void *, char **)) &osip_content_encoding_to_str}, { "Call-Info: ", 11, NULL, NULL, (int (*)(void *, char **)) &osip_call_info_to_str}, { "Alert-Info: ", 12, NULL, NULL, (int (*)(void *, char **)) &osip_call_info_to_str}, { "Error-Info: ", 12, NULL, NULL, (int (*)(void *, char **)) &osip_call_info_to_str}, { "Accept: ", 8, NULL, NULL, (int (*)(void *, char **)) &osip_accept_to_str}, { "Accept-Encoding: ", 17, NULL, NULL, (int (*)(void *, char **)) &osip_accept_encoding_to_str}, { "Accept-Language: ", 17, NULL, NULL, (int (*)(void *, char **)) &osip_accept_language_to_str}, { "Authentication-Info: ", 21, NULL, NULL, (int (*)(void *, char **)) &osip_authentication_info_to_str}, { "Proxy-Authentication-Info: ", 27, NULL, NULL, (int (*)(void *, char **)) &osip_authentication_info_to_str}, #endif { { '\0'}, 0, NULL, NULL, NULL} }; /* BEGIN: Added by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */ /* 判断list是否需要强制分为多行写 */ #ifndef MINISIZE char MultiLine[25] = {1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0}; #else char MultiLine[15] = {1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0}; #endif /* END: Added by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */ table[0].header_list = &sip->vias; table[1].header_list = &sip->record_routes; table[2].header_list = &sip->routes; table[3].header_data = sip->from; table[4].header_data = sip->to; table[5].header_data = sip->call_id; table[6].header_data = sip->cseq; table[7].header_list = &sip->contacts; table[8].header_list = &sip->authorizations; table[9].header_list = &sip->www_authenticates; table[10].header_list = &sip->proxy_authenticates; table[11].header_list = &sip->proxy_authorizations; table[12].header_data = sip->content_type; table[13].header_data = sip->mime_version; #ifndef MINISIZE table[14].header_list = &sip->allows; table[15].header_list = &sip->content_encodings; table[16].header_list = &sip->call_infos; table[17].header_list = &sip->alert_infos; table[18].header_list = &sip->error_infos; table[19].header_list = &sip->accepts; table[20].header_list = &sip->accept_encodings; table[21].header_list = &sip->accept_languages; table[22].header_list = &sip->authentication_infos; table[23].header_list = &sip->proxy_authentication_infos; #endif pos = 0; while (table[pos].header_name[0] != '\0') { if (table[13].header_list == NULL) i = strcat_simple_header (dest, &malloc_size, &message, table[pos].header_data, table[pos].header_name, table[pos].header_length, ((int (*)(void *, char **)) table[pos].to_str), &next); /* BEGIN: Modified by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */ /* 只有对应的routes等这几个头域的list分行写,其他的list合在一行 */ /* 根据Rfc3261: Multiple header field rows with the same field-name MAY be present in a message if and only if the entire field-value for that header field is defined as a comma-separated list (that is, if follows the grammar defined in Section 7.3).*/ if (1 == MultiLine[pos]) { i = strcat_headers_one_per_line (dest, &malloc_size, &message, table[pos].header_list, table[pos].header_name, table[pos].header_length, ((int (*)(void *, char **)) table[pos].to_str), &next); } else { i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, table[pos].header_list, table[pos].header_name, table[pos].header_length, ((int (*)(void *, char **)) table[pos].to_str), &next); } /* END: Modified by l00183184, 2013/8/5 PN:DTS2013071906746 alg升级 */ if (i != 0) { osip_free (*dest); *dest = NULL; return i; } message = next; pos++; } } pos = 0; while (!osip_list_eol (&sip->headers, pos)) { osip_header_t *header; size_t header_len = 0; header = (osip_header_t *) osip_list_get (&sip->headers, pos); i = osip_header_to_str (header, &tmp); if (i != 0) { osip_free (*dest); *dest = NULL; return i; } header_len = strlen (tmp); if (_osip_message_realloc (&message, dest, header_len + 3, &malloc_size) < 0) { osip_free (tmp); *dest = NULL; return OSIP_NOMEM; } message = osip_str_append (message, tmp); osip_free (tmp); message = osip_strn_append (message, CRLF, 2); pos++; } /* we have to create the body before adding the contentlength */ /* add enough lenght for "Content-Length: " */ if (_osip_message_realloc (&message, dest, 16, &malloc_size) < 0) return OSIP_NOMEM; if (sipfrag && osip_list_eol (&sip->bodies, 0)) { /* end of headers */ osip_strncpy (message, CRLF, 2); message = message + 2; /* same remark as at the beginning of the method */ sip->message_property = 1; sip->message = osip_strdup (*dest); sip->message_length = message - *dest; if (message_length != NULL) *message_length = message - *dest; return OSIP_SUCCESS; /* it's all done */ } osip_strncpy (message, "Content-Length: ", 16); message = message + 16; /* SIPit Day1 ALWAYS RECALCULATE? if (sip->contentlength!=NULL) { i = osip_content_length_to_str(sip->contentlength, &tmp); if (i!=0) { osip_free(*dest); *dest = NULL; return i; } osip_strncpy(message,tmp,strlen(tmp)); osip_free(tmp); } else { */ if (osip_list_eol (&sip->bodies, 0)) /* no body */ message = osip_strn_append (message, "0", 1); else { /* BUG: p130 (rfc2543bis-04) "No SP after last token or quoted string" In fact, if extra spaces exist: the stack can't be used to make user-agent that wants to make authentication... This should be changed... */ content_length_to_modify = message; message = osip_str_append (message, " "); } /* } */ message = osip_strn_append (message, CRLF, 2); /* end of headers */ message = osip_strn_append (message, CRLF, 2); start_of_bodies = message; total_length = start_of_bodies - *dest; if (osip_list_eol (&sip->bodies, 0)) { /* same remark as at the beginning of the method */ sip->message_property = 1; sip->message = osip_strdup (*dest); sip->message_length = total_length; if (message_length != NULL) *message_length = total_length; return OSIP_SUCCESS; /* it's all done */ } if (sip->mime_version != NULL && sip->content_type && sip->content_type->type && !osip_strcasecmp (sip->content_type->type, "multipart")) { osip_generic_param_t *ct_param = NULL; /* find the boundary */ i = osip_generic_param_get_byname (&sip->content_type->gen_params, "boundary", &ct_param); if ((i >= 0) && ct_param && ct_param->gvalue) { size_t len = strlen (ct_param->gvalue); if (len > MIME_MAX_BOUNDARY_LEN) { osip_free (*dest); *dest = NULL; return OSIP_SYNTAXERROR; } boundary = osip_malloc (len + 5); if (boundary == NULL) { osip_free (*dest); *dest = NULL; return OSIP_NOMEM; } osip_strncpy (boundary, CRLF, 2); osip_strncpy (boundary + 2, "--", 2); if (ct_param->gvalue[0] == '"' && ct_param->gvalue[len - 1] == '"') osip_strncpy (boundary + 4, ct_param->gvalue + 1, len - 2); else osip_strncpy (boundary + 4, ct_param->gvalue, len); } } pos = 0; while (!osip_list_eol (&sip->bodies, pos)) { osip_body_t *body; size_t body_length; body = (osip_body_t *) osip_list_get (&sip->bodies, pos); if (boundary) { /* Needs at most 77 bytes, last realloc allocate at least 100 bytes extra */ message = osip_str_append (message, boundary); message = osip_strn_append (message, CRLF, 2); } i = osip_body_to_str (body, &tmp, &body_length); if (i != 0) { osip_free (*dest); *dest = NULL; if (boundary) osip_free (boundary); return i; } if (malloc_size < message - *dest + 100 + body_length) { size_t size = message - *dest; int offset_of_body; int offset_content_length_to_modify = 0; offset_of_body = (int) (start_of_bodies - *dest); if (content_length_to_modify != NULL) offset_content_length_to_modify = (int) (content_length_to_modify - *dest); malloc_size = message - *dest + body_length + 100; *dest = osip_realloc (*dest, malloc_size); if (*dest == NULL) { osip_free (tmp); /* fixed 09/Jun/2005 */ if (boundary) osip_free (boundary); return OSIP_NOMEM; } start_of_bodies = *dest + offset_of_body; if (content_length_to_modify != NULL) content_length_to_modify = *dest + offset_content_length_to_modify; message = *dest + size; } memcpy (message, tmp, body_length); message[body_length] = '\0'; osip_free (tmp); message = message + body_length; pos++; } if (boundary) { /* Needs at most 79 bytes, last realloc allocate at least 100 bytes extra */ message = osip_str_append (message, boundary); message = osip_strn_append (message, "--", 2); message = osip_strn_append (message, CRLF, 2); osip_free (boundary); boundary = NULL; } if (content_length_to_modify == NULL) { osip_free (*dest); *dest = NULL; return OSIP_SYNTAXERROR; } /* we NOW have the length of bodies: */ { size_t size = message - start_of_bodies; char tmp2[15]; total_length += size; snprintf (tmp2, 15, "%i", (int) size); /* do not use osip_strncpy here! */ strncpy (content_length_to_modify + 5 - strlen (tmp2), tmp2, strlen (tmp2)); } /* same remark as at the beginning of the method */ sip->message_property = 1; sip->message = osip_malloc (total_length + 1); if (sip->message != NULL) { memcpy (sip->message, *dest, total_length); sip->message[total_length] = '\0'; sip->message_length = total_length; if (message_length != NULL) *message_length = total_length; } return OSIP_SUCCESS; }
static int _osip_message_to_str (osip_message_t * sip, char **dest, size_t * message_length, int sipfrag) { size_t malloc_size; size_t total_length = 0; /* Added at SIPit day1 */ char *start_of_bodies; char *content_length_to_modify = NULL; char *message; char *next; char *tmp; int pos; int i; char *boundary = NULL; malloc_size = SIP_MESSAGE_MAX_LENGTH; *dest = NULL; if ((sip == NULL)) return -1; { if (1 == osip_message_get__property (sip)) { /* message is already available in "message" */ *dest = osip_malloc (sip->message_length + 1); if (*dest == NULL) return -1; memcpy (*dest, sip->message, sip->message_length); (*dest)[sip->message_length] = '\0'; if (message_length != NULL) *message_length = sip->message_length; return 0; } else { /* message should be rebuilt: delete the old one if exists. */ osip_free (sip->message); sip->message = NULL; } } message = (char *) osip_malloc (SIP_MESSAGE_MAX_LENGTH); /* ???? message could be > 4000 */ if (message == NULL) return -1; *dest = message; /* add the first line of message */ i = __osip_message_startline_to_str (sip, &tmp); if (i == -1) { if (!sipfrag) { osip_free (*dest); *dest = NULL; return -1; } /* A start-line isn't required for message/sipfrag parts. */ } else { message = osip_str_append (message, tmp); osip_free (tmp); message = osip_strn_append (message, CRLF, 2); } i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->vias, "Via: ", 5, ((int (*)(void *, char **)) &osip_via_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->record_routes, "Record-Route: ", 14, ((int (*)(void *, char **)) &osip_record_route_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->routes, "Route: ", 7, ((int (*)(void *, char **)) &osip_route_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_simple_header (dest, &malloc_size, &message, sip->from, "From: ", 6, ((int (*)(void *, char **)) &osip_from_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_simple_header (dest, &malloc_size, &message, sip->to, "To: ", 4, ((int (*)(void *, char **)) &osip_to_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_simple_header (dest, &malloc_size, &message, sip->call_id, "Call-ID: ", 9, ((int (*)(void *, char **)) &osip_call_id_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_simple_header (dest, &malloc_size, &message, sip->cseq, "CSeq: ", 6, ((int (*)(void *, char **)) &osip_cseq_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->contacts, "Contact: ", 9, ((int (*)(void *, char **)) &osip_contact_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->authorizations, "Authorization: ", 15, ((int (*)(void *, char **)) &osip_authorization_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->www_authenticates, "WWW-Authenticate: ", 18, ((int (*)(void *, char **)) &osip_www_authenticate_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->proxy_authenticates, "Proxy-Authenticate: ", 20, ((int (*)(void *, char **)) &osip_www_authenticate_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->proxy_authorizations, "Proxy-Authorization: ", 21, ((int (*)(void *, char **)) &osip_authorization_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; pos = 0; while (!osip_list_eol (&sip->headers, pos)) { osip_header_t *header; size_t header_len = 0; header = (osip_header_t *) osip_list_get (&sip->headers, pos); i = osip_header_to_str (header, &tmp); if (i == -1) { osip_free (*dest); *dest = NULL; return -1; } header_len = strlen (tmp); if (_osip_message_realloc (&message, dest, header_len + 3, &malloc_size) < 0) { osip_free (tmp); *dest = NULL; return -1; } message = osip_str_append (message, tmp); osip_free (tmp); message = osip_strn_append (message, CRLF, 2); pos++; } i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, &sip->allows, "Allow: ", 7, ((int (*)(void *, char **)) &osip_content_length_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_simple_header (dest, &malloc_size, &message, sip->content_type, "Content-Type: ", 14, ((int (*)(void *, char **)) &osip_content_type_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, &sip->content_encodings, "Content-Encoding: ", 18, ((int (*)(void *, char **)) &osip_content_length_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_simple_header (dest, &malloc_size, &message, sip->mime_version, "Mime-Version: ", 14, ((int (*)(void *, char **)) &osip_content_length_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->call_infos, "Call-Info: ", 11, ((int (*)(void *, char **)) &osip_call_info_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->alert_infos, "Alert-Info: ", 12, ((int (*)(void *, char **)) &osip_call_info_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->error_infos, "Error-Info: ", 12, ((int (*)(void *, char **)) &osip_call_info_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, &sip->accepts, "Accept: ", 8, ((int (*)(void *, char **)) &osip_accept_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, &sip->accept_encodings, "Accept-Encoding: ", 17, ((int (*)(void *, char **)) &osip_accept_encoding_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_all_on_one_line (dest, &malloc_size, &message, &sip->accept_languages, "Accept-Language: ", 17, ((int (*)(void *, char **)) &osip_accept_encoding_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->authentication_infos, "Authentication-Info: ", 21, ((int (*)(void *, char **)) &osip_authentication_info_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; i = strcat_headers_one_per_line (dest, &malloc_size, &message, &sip->proxy_authentication_infos, "Proxy-Authentication-Info: ", 27, ((int (*)(void *, char **)) &osip_authentication_info_to_str), &next); if (i != 0) { osip_free (*dest); *dest = NULL; return -1; } message = next; /* we have to create the body before adding the contentlength */ /* add enough lenght for "Content-Length: " */ if (_osip_message_realloc (&message, dest, 16, &malloc_size) < 0) return -1; if (sipfrag && osip_list_eol (&sip->bodies, 0)) { /* end of headers */ osip_strncpy (message, CRLF, 2); message = message + 2; /* same remark as at the beginning of the method */ sip->message_property = 1; sip->message = osip_strdup (*dest); sip->message_length = message - *dest; if (message_length != NULL) *message_length = message - *dest; return 0; /* it's all done */ } osip_strncpy (message, "Content-Length: ", 16); message = message + 16; /* SIPit Day1 ALWAYS RECALCULATE? if (sip->contentlength!=NULL) { i = osip_content_length_to_str(sip->contentlength, &tmp); if (i==-1) { osip_free(*dest); *dest = NULL; return -1; } osip_strncpy(message,tmp,strlen(tmp)); osip_free(tmp); } else { */ if (osip_list_eol (&sip->bodies, 0)) /* no body */ message = osip_strn_append (message, "0", 1); else { /* BUG: p130 (rfc2543bis-04) "No SP after last token or quoted string" In fact, if extra spaces exist: the stack can't be used to make user-agent that wants to make authentication... This should be changed... */ content_length_to_modify = message; message = osip_str_append (message, " "); } /* } */ message = osip_strn_append (message, CRLF, 2); /* end of headers */ message = osip_strn_append (message, CRLF, 2); start_of_bodies = message; total_length = start_of_bodies - *dest; if (osip_list_eol (&sip->bodies, 0)) { /* same remark as at the beginning of the method */ sip->message_property = 1; sip->message = osip_strdup (*dest); sip->message_length = total_length; if (message_length != NULL) *message_length = total_length; return 0; /* it's all done */ } if (sip->mime_version != NULL && sip->content_type && sip->content_type->type && !osip_strcasecmp (sip->content_type->type, "multipart")) { osip_generic_param_t *ct_param = NULL; /* find the boundary */ i = osip_generic_param_get_byname (&sip->content_type->gen_params, "boundary", &ct_param); if ((i >= 0) && ct_param && ct_param->gvalue) { size_t len = strlen (ct_param->gvalue); if (len > MIME_MAX_BOUNDARY_LEN) { osip_free (*dest); *dest = NULL; return -1; } boundary = osip_malloc (len + 5); osip_strncpy (boundary, CRLF, 2); osip_strncpy (boundary + 2, "--", 2); if (ct_param->gvalue[0] == '"' && ct_param->gvalue[len - 1] == '"') osip_strncpy (boundary + 4, ct_param->gvalue + 1, len - 2); else osip_strncpy (boundary + 4, ct_param->gvalue, len); } } pos = 0; while (!osip_list_eol (&sip->bodies, pos)) { osip_body_t *body; size_t body_length; body = (osip_body_t *) osip_list_get (&sip->bodies, pos); if (boundary) { /* Needs at most 77 bytes, last realloc allocate at least 100 bytes extra */ message = osip_str_append (message, boundary); message = osip_strn_append (message, CRLF, 2); } i = osip_body_to_str (body, &tmp, &body_length); if (i != 0) { osip_free (*dest); *dest = NULL; if (boundary) osip_free (boundary); return -1; } if (malloc_size < message - *dest + 100 + body_length) { size_t size = message - *dest; int offset_of_body; int offset_content_length_to_modify = 0; offset_of_body = (int) (start_of_bodies - *dest); if (content_length_to_modify != NULL) offset_content_length_to_modify = (int) (content_length_to_modify - *dest); malloc_size = message - *dest + body_length + 100; *dest = osip_realloc (*dest, malloc_size); if (*dest == NULL) { osip_free (tmp); /* fixed 09/Jun/2005 */ if (boundary) osip_free (boundary); return -1; } start_of_bodies = *dest + offset_of_body; if (content_length_to_modify != NULL) content_length_to_modify = *dest + offset_content_length_to_modify; message = *dest + size; } memcpy (message, tmp, body_length); message[body_length] = '\0'; osip_free (tmp); message = message + body_length; pos++; } if (boundary) { /* Needs at most 79 bytes, last realloc allocate at least 100 bytes extra */ message = osip_str_append (message, boundary); message = osip_strn_append (message, "--", 2); message = osip_strn_append (message, CRLF, 2); osip_free (boundary); boundary = NULL; } if (content_length_to_modify == NULL) { osip_free (*dest); *dest = NULL; return -1; } /* we NOW have the length of bodies: */ { size_t size = message - start_of_bodies; char tmp2[15]; total_length += size; sprintf (tmp2, "%i", size); /* do not use osip_strncpy here! */ strncpy (content_length_to_modify + 5 - strlen (tmp2), tmp2, strlen (tmp2)); } /* same remark as at the beginning of the method */ sip->message_property = 1; sip->message = osip_malloc (total_length + 1); if (sip->message != NULL) { memcpy (sip->message, *dest, total_length); sip->message[total_length] = '\0'; sip->message_length = total_length; if (message_length != NULL) *message_length = total_length; } return 0; }