summaryrefslogtreecommitdiff
path: root/net/ser/files/patch-modules::nathelper::nathelper.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ser/files/patch-modules::nathelper::nathelper.c')
-rw-r--r--net/ser/files/patch-modules::nathelper::nathelper.c649
1 files changed, 0 insertions, 649 deletions
diff --git a/net/ser/files/patch-modules::nathelper::nathelper.c b/net/ser/files/patch-modules::nathelper::nathelper.c
deleted file mode 100644
index 4acb99ff3e5b..000000000000
--- a/net/ser/files/patch-modules::nathelper::nathelper.c
+++ /dev/null
@@ -1,649 +0,0 @@
-
-$FreeBSD$
-
---- modules/nathelper/nathelper.c.orig Mon Jun 23 22:34:37 2003
-+++ modules/nathelper/nathelper.c Sat Aug 2 09:03:54 2003
-@@ -5,6 +5,10 @@
- * we received this message from
- * fix_nated_sdp() - replaces IP address in the SDP with IP address
- * and/or adds direction=active option to the SDP
-+ * force_rtp_proxy() - rewrite IP address and UDP port in the SDP
-+ * body in such a way that RTP traffic visits
-+ * RTP proxy running on the same machine as a
-+ * ser itself
- *
- * Beware, those functions will only work correctly if the UA supports
- * symmetric signalling and media (not all do)!!!
-@@ -48,9 +52,15 @@
- #include "../../timer.h"
- #include "../../ut.h"
- #include "../registrar/sip_msg.h"
-+#include <sys/types.h>
-+#include <sys/uio.h>
-+#include <sys/un.h>
-+#include <ctype.h>
-+#include <errno.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <unistd.h>
-
- MODULE_VERSION
-
-@@ -58,6 +68,14 @@
- static int fix_nated_sdp_f(struct sip_msg *, char *, char *);
- static int update_clen(struct sip_msg *, int);
- static int extract_mediaip(str *, str *);
-+static int extract_mediaport(str *, str *);
-+static int alter_mediaip(struct sip_msg *, str *, str *, str *, int *, int);
-+static int alter_mediaport(struct sip_msg *, str *, str *, str *, int *, int);
-+static int fixate_sdp_f(struct sip_msg *, char *, char *);
-+static char *send_rtpp_command(str *, char, int);
-+static int unforce_rtp_proxy_f(struct sip_msg *, char *, char *);
-+static int force_rtp_proxy_f(struct sip_msg *, char *, char *);
-+
- static void timer(unsigned int, void *);
- inline static int fixup_str2int(void**, int);
- static int mod_init(void);
-@@ -71,12 +89,15 @@
- static cmd_export_t cmds[]={
- {"fix_nated_contact", fix_nated_contact_f, 0, 0, REQUEST_ROUTE | ONREPLY_ROUTE },
- {"fix_nated_sdp", fix_nated_sdp_f, 1, fixup_str2int, REQUEST_ROUTE | ONREPLY_ROUTE },
-- {0,0,0,0,0}
-+ {"fixate_sdp", fixate_sdp_f, 0, 0, REQUEST_ROUTE | ONREPLY_ROUTE },
-+ {"force_rtp_proxy", force_rtp_proxy_f, 0, 0, REQUEST_ROUTE | ONREPLY_ROUTE },
-+ {"unforce_rtp_proxy", unforce_rtp_proxy_f, 0, 0, REQUEST_ROUTE | ONREPLY_ROUTE },
-+ {0, 0, 0, 0, 0}
- };
-
- static param_export_t params[]={
- {"natping_interval", INT_PARAM, &natping_interval},
-- {0,0,0}
-+ {0, 0, 0}
- };
-
- struct module_exports exports={
-@@ -268,21 +289,28 @@
-
- #define ADD_ADIRECTION 0x01
- #define FIX_MEDIAIP 0x02
-+#define ADD_ANORTPPROXY 0x04
-
- #define ADIRECTION "a=direction:active\r\n"
--#define ADIRECTION_LEN 21
-+#define ADIRECTION_LEN 20
-
- #define AOLDMEDIAIP "a=oldmediaip:"
- #define AOLDMEDIAIP_LEN 13
-
-+#define AOLDMEDIPRT "a=oldmediaport:"
-+#define AOLDMEDIPRT_LEN 15
-+
-+#define ANORTPPROXY "a=nortpproxy:yes\r\n"
-+#define ANORTPPROXY_LEN 18
-+
- #define CLEN_LEN 10
-
- static int
- fix_nated_sdp_f(struct sip_msg* msg, char* str1, char* str2)
- {
-- str body, mediaip;
-- int level, added_len, offset, len;
-- char *buf, *cp;
-+ str body, body1, oldip, oldip1, newip;
-+ int level, added_len;
-+ char *buf;
- struct lump* anchor;
-
- level = (int)(long)str1;
-@@ -293,82 +321,66 @@
- return -1;
- }
-
-- if (level & ADD_ADIRECTION) {
-+ if (level & (ADD_ADIRECTION | ADD_ANORTPPROXY)) {
- anchor = anchor_lump(&(msg->add_rm),
- body.s + body.len - msg->buf, 0, 0);
- if (anchor == NULL) {
- LOG(L_ERR, "ERROR: fix_nated_sdp: anchor_lump failed\n");
- return -1;
- }
-- buf = pkg_malloc(ADIRECTION_LEN * sizeof(char));
-- if (buf == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: out of memory\n");
-- return -1;
-+ if (level & ADD_ADIRECTION) {
-+ buf = pkg_malloc(ADIRECTION_LEN * sizeof(char));
-+ if (buf == NULL) {
-+ LOG(L_ERR, "ERROR: fix_nated_sdp: out of memory\n");
-+ return -1;
-+ }
-+ memcpy(buf, ADIRECTION, ADIRECTION_LEN);
-+ if (insert_new_lump_after(anchor, buf, ADIRECTION_LEN, 0) == NULL) {
-+ LOG(L_ERR, "ERROR: fix_nated_sdp: insert_new_lump_after failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ added_len += ADIRECTION_LEN;
- }
-- memcpy(buf, ADIRECTION, ADIRECTION_LEN);
-- if (insert_new_lump_after(anchor, buf, ADIRECTION_LEN - 1, 0) == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: insert_new_lump_after failed\n");
-- pkg_free(buf);
-- return -1;
-+ if (level & ADD_ANORTPPROXY) {
-+ buf = pkg_malloc(ANORTPPROXY_LEN * sizeof(char));
-+ if (buf == NULL) {
-+ LOG(L_ERR, "ERROR: fix_nated_sdp: out of memory\n");
-+ return -1;
-+ }
-+ memcpy(buf, ANORTPPROXY, ANORTPPROXY_LEN);
-+ if (insert_new_lump_after(anchor, buf, ANORTPPROXY_LEN, 0) == NULL) {
-+ LOG(L_ERR, "ERROR: fix_nated_sdp: insert_new_lump_after failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ added_len += ANORTPPROXY_LEN;
- }
-- added_len += ADIRECTION_LEN - 1;
- }
-
- if (level & FIX_MEDIAIP) {
-- if (extract_mediaip(&body, &mediaip) == -1) {
-+ if (extract_mediaip(&body, &oldip) == -1) {
- LOG(L_ERR, "ERROR: fix_nated_sdp: can't extract media IP from the SDP\n");
- goto finalise;
- }
--
-- /* check that updating mediaip is really necessary */
-- if (7 == mediaip.len && memcmp("0.0.0.0", mediaip.s, 7) == 0)
-- goto finalise;
-- cp = ip_addr2a(&msg->rcv.src_ip);
-- len = strlen(cp);
-- if (len == mediaip.len && memcmp(cp, mediaip.s, len) == 0)
-- goto finalise;
--
-- anchor = anchor_lump(&(msg->add_rm),
-- body.s + body.len - msg->buf, 0, 0);
-- if (anchor == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: anchor_lump failed\n");
-- return -1;
-- }
-- buf = pkg_malloc(AOLDMEDIAIP_LEN + mediaip.len + CRLF_LEN);
-- if (buf == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: out of memory\n");
-- return -1;
-- }
-- memcpy(buf, AOLDMEDIAIP, AOLDMEDIAIP_LEN);
-- memcpy(buf + AOLDMEDIAIP_LEN, mediaip.s, mediaip.len);
-- memcpy(buf + AOLDMEDIAIP_LEN + mediaip.len, CRLF, CRLF_LEN);
-- if (insert_new_lump_after(anchor, buf,
-- AOLDMEDIAIP_LEN + mediaip.len + CRLF_LEN, 0) == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: insert_new_lump_after failed\n");
-- pkg_free(buf);
-- return -1;
-+ body1.s = oldip.s + oldip.len;
-+ body1.len = body.s + body.len - body1.s;
-+ if (extract_mediaip(&body1, &oldip1) == -1) {
-+ oldip1.len = 0;
- }
-- added_len += AOLDMEDIAIP_LEN + mediaip.len + CRLF_LEN;
-
-- buf = pkg_malloc(len);
-- if (buf == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: out of memory\n");
-- return -1;
-- }
-- offset = mediaip.s - msg->buf;
-- anchor = del_lump(&msg->add_rm, offset, mediaip.len, 0);
-- if (anchor == NULL) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: del_lump failed\n");
-- pkg_free(buf);
-+ newip.s = ip_addr2a(&msg->rcv.src_ip);
-+ newip.len = strlen(newip.s);
-+ if (alter_mediaip(msg, &body, &oldip, &newip,
-+ &added_len, 1) == -1) {
-+ LOG(L_ERR, "ERROR: fix_nated_sdp: can't alter media IP");
- return -1;
- }
-- memcpy(buf, cp, len);
-- if (insert_new_lump_after(anchor, buf, len, 0) == 0) {
-- LOG(L_ERR, "ERROR: fix_nated_sdp: insert_new_lump_after failed\n");
-- pkg_free(buf);
-+ if (oldip1.len > 0 && alter_mediaip(msg, &body, &oldip1, &newip,
-+ &added_len, 0) == -1) {
-+ LOG(L_ERR, "ERROR: fix_nated_sdp: can't alter media IP");
- return -1;
- }
-- added_len += len - mediaip.len;
- }
-
- finalise:
-@@ -425,7 +437,7 @@
- cp = cp1 + 2;
- }
- if (cp1 == NULL) {
-- LOG(L_ERR, "ERROR: extract_mediaip: no `c=' in SDP\n");
-+ LOG(L_DBG, "ERROR: extract_mediaip: no `c=' in SDP\n");
- return -1;
- }
- mediaip->s = cp1 + 2;
-@@ -449,6 +461,418 @@
- LOG(L_ERR, "ERROR: extract_mediaip: no `IP4' in `c=' field\n");
- return -1;
- }
-+ return 1;
-+}
-+
-+static int
-+extract_mediaport(str *body, str *mediaport)
-+{
-+ char *cp, *cp1;
-+ int len;
-+
-+ cp1 = NULL;
-+ for (cp = body->s; (len = body->s + body->len - cp) > 0;) {
-+ cp1 = ser_memmem(cp, "m=", len, 2);
-+ if (cp1 == NULL || cp1[-1] == '\n' || cp1[-1] == '\r')
-+ break;
-+ cp = cp1 + 2;
-+ }
-+ if (cp1 == NULL) {
-+ LOG(L_ERR, "ERROR: extract_mediaport: no `m=' in SDP\n");
-+ return -1;
-+ }
-+ mediaport->s = cp1 + 2;
-+ mediaport->len = eat_line(mediaport->s, body->s + body->len -
-+ mediaport->s) - mediaport->s;
-+ trim_len(mediaport->len, mediaport->s, *mediaport);
-+
-+ if (mediaport->len < 7 || memcmp(mediaport->s, "audio", 5) != 0 ||
-+ !isspace(mediaport->s[5])) {
-+ LOG(L_ERR, "ERROR: extract_mediaport: can't parse `m=' in SDP\n");
-+ return -1;
-+ }
-+ cp = eat_space_end(mediaport->s + 5, mediaport->s + mediaport->len);
-+ mediaport->len = eat_token_end(cp, mediaport->s + mediaport->len) - cp;
-+ mediaport->s = cp;
-+ return 1;
-+}
-+
-+static int
-+alter_mediaip(struct sip_msg *msg, str *body, str *oldip, str *newip,
-+ int *clendelta, int preserve)
-+{
-+ char *buf;
-+ int offset;
-+ struct lump* anchor;
-+
-+ /* check that updating mediaip is really necessary */
-+ if (7 == oldip->len && memcmp("0.0.0.0", oldip->s, 7) == 0)
-+ return 0;
-+ if (newip->len == oldip->len &&
-+ memcmp(newip->s, oldip->s, newip->len) == 0)
-+ return 0;
-+
-+ if (preserve != 0) {
-+ anchor = anchor_lump(&(msg->add_rm),
-+ body->s + body->len - msg->buf, 0, 0);
-+ if (anchor == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaip: anchor_lump failed\n");
-+ return -1;
-+ }
-+ buf = pkg_malloc(AOLDMEDIAIP_LEN + oldip->len + CRLF_LEN);
-+ if (buf == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaip: out of memory\n");
-+ return -1;
-+ }
-+ memcpy(buf, AOLDMEDIAIP, AOLDMEDIAIP_LEN);
-+ memcpy(buf + AOLDMEDIAIP_LEN, oldip->s, oldip->len);
-+ memcpy(buf + AOLDMEDIAIP_LEN + oldip->len, CRLF, CRLF_LEN);
-+ if (insert_new_lump_after(anchor, buf,
-+ AOLDMEDIAIP_LEN + oldip->len + CRLF_LEN, 0) == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaip: insert_new_lump_after failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ *clendelta += AOLDMEDIAIP_LEN + oldip->len + CRLF_LEN;
-+ }
-+
-+ buf = pkg_malloc(newip->len);
-+ if (buf == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaip: out of memory\n");
-+ return -1;
-+ }
-+ offset = oldip->s - msg->buf;
-+ anchor = del_lump(&msg->add_rm, offset, oldip->len, 0);
-+ if (anchor == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaip: del_lump failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ memcpy(buf, newip->s, newip->len);
-+ if (insert_new_lump_after(anchor, buf, newip->len, 0) == 0) {
-+ LOG(L_ERR, "ERROR: alter_mediaip: insert_new_lump_after failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ *clendelta += newip->len - oldip->len;
-+ return 0;
-+}
-+
-+static int
-+alter_mediaport(struct sip_msg *msg, str *body, str *oldport, str *newport,
-+ int *clendelta, int preserve)
-+{
-+ char *buf;
-+ int offset;
-+ struct lump* anchor;
-+
-+ /* check that updating mediaport is really necessary */
-+ if (newport->len == oldport->len &&
-+ memcmp(newport->s, oldport->s, newport->len) == 0)
-+ return 0;
-+
-+ if (preserve != 0) {
-+ anchor = anchor_lump(&(msg->add_rm),
-+ body->s + body->len - msg->buf, 0, 0);
-+ if (anchor == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaport: anchor_lump failed\n");
-+ return -1;
-+ }
-+ buf = pkg_malloc(AOLDMEDIPRT_LEN + oldport->len + CRLF_LEN);
-+ if (buf == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaport: out of memory\n");
-+ return -1;
-+ }
-+ memcpy(buf, AOLDMEDIPRT, AOLDMEDIPRT_LEN);
-+ memcpy(buf + AOLDMEDIPRT_LEN, oldport->s, oldport->len);
-+ memcpy(buf + AOLDMEDIPRT_LEN + oldport->len, CRLF, CRLF_LEN);
-+ if (insert_new_lump_after(anchor, buf,
-+ AOLDMEDIPRT_LEN + oldport->len + CRLF_LEN, 0) == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaport: insert_new_lump_after failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ *clendelta += AOLDMEDIPRT_LEN + oldport->len + CRLF_LEN;
-+ }
-+
-+ buf = pkg_malloc(newport->len);
-+ if (buf == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaport: out of memory\n");
-+ return -1;
-+ }
-+ offset = oldport->s - msg->buf;
-+ anchor = del_lump(&msg->add_rm, offset, oldport->len, 0);
-+ if (anchor == NULL) {
-+ LOG(L_ERR, "ERROR: alter_mediaport: del_lump failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ memcpy(buf, newport->s, newport->len);
-+ if (insert_new_lump_after(anchor, buf, newport->len, 0) == 0) {
-+ LOG(L_ERR, "ERROR: alter_mediaport: insert_new_lump_after failed\n");
-+ pkg_free(buf);
-+ return -1;
-+ }
-+ *clendelta += newport->len - oldport->len;
-+ return 0;
-+}
-+
-+static int
-+fixate_sdp_f(struct sip_msg* msg, char* str1, char* str2)
-+{
-+ char *cp, *cp1;
-+ int len, cldelta;
-+ str body, body1, newip, newip1, newport, dest, oldip, oldport;
-+ struct sip_uri ruri;
-+ struct hdr_field *hdr;
-+ struct via_body *rvia;
-+
-+ if (msg->first_line.type == SIP_REQUEST &&
-+ msg->first_line.u.request.method_value == METHOD_INVITE) {
-+ LOG(L_ERR, "DEBUG: fixate_sdp: request\n");
-+ if (msg->parsed_uri_ok) {
-+ dest = msg->parsed_uri.host;
-+ } else {
-+ if (parse_uri(msg->new_uri.s, msg->new_uri.len, &ruri) < 0) {
-+ LOG(L_ERR, "ERROR: fixate_sdp: can't parse request uri\n");
-+ return -1;
-+ }
-+ dest = ruri.host;
-+ }
-+ } else if (msg->first_line.type == SIP_REPLY) {
-+ LOG(L_ERR, "DEBUG: fixate_sdp: reply\n");
-+ rvia = NULL;
-+ for (hdr=msg->headers; hdr; hdr=hdr->next) {
-+ if (hdr->type == HDR_VIA)
-+ rvia = hdr->parsed;
-+ }
-+ if (rvia == NULL) {
-+ LOG(L_ERR, "ERROR: fixate_sdp: no or incorrect Via in reply\n");
-+ return -1;
-+ }
-+ if (rvia->received != NULL) {
-+ dest = rvia->received->value;
-+ } else {
-+ dest = rvia->host;
-+ }
-+ } else {
-+ return -1;
-+ }
-+
-+ if (extract_body(msg, &body) == -1 || body.len == 0)
-+ return -1;
-+ if (extract_mediaip(&body, &newip) == -1) {
-+ LOG(L_ERR, "ERROR: fixate_sdp: can't extract media IP from the SDP\n");
-+ return -1;
-+ }
-+ body1.s = newip.s + newip.len;
-+ body1.len = body.s + body.len - body1.s;
-+ if (extract_mediaip(&body1, &newip1) == -1) {
-+ newip1.len = 0;
-+ }
-+ if (newip.len != dest.len || memcmp(newip.s, dest.s, dest.len) != 0)
-+ return -1;
-+ if (extract_mediaport(&body, &newport) == -1) {
-+ LOG(L_ERR, "ERROR: fixate_sdp: can't extract media port from the SDP\n");
-+ return -1;
-+ }
-+
-+ for (cp = body.s; (len = body.s + body.len - cp) >= AOLDMEDIAIP_LEN;) {
-+ cp1 = ser_memmem(cp, AOLDMEDIAIP, len, AOLDMEDIAIP_LEN);
-+ if (cp1 == NULL || cp1[-1] == '\n' || cp1[-1] == '\r')
-+ break;
-+ cp = cp1 + AOLDMEDIAIP_LEN;
-+ }
-+ if (cp1 == NULL) {
-+ oldip.len = 0;
-+ } else {
-+ oldip.s = cp1 + AOLDMEDIAIP_LEN;
-+ oldip.len = eat_line(oldip.s, body.s + body.len -
-+ oldip.s) - oldip.s;
-+ trim_len(oldip.len, oldip.s, oldip);
-+ }
-+ if (newip.len == oldip.len &&
-+ memcmp(newip.s, oldip.s, newip.len) == 0)
-+ oldip.len = 0;
-+
-+ for (cp = body.s; (len = body.s + body.len - cp) >= AOLDMEDIPRT_LEN;) {
-+ cp1 = ser_memmem(cp, AOLDMEDIPRT, len, AOLDMEDIPRT_LEN);
-+ if (cp1 == NULL || cp1[-1] == '\n' || cp1[-1] == '\r')
-+ break;
-+ cp = cp1 + AOLDMEDIPRT_LEN;
-+ }
-+ if (cp1 == NULL) {
-+ oldport.len = 0;
-+ } else {
-+ oldport.s = cp1 + AOLDMEDIPRT_LEN;
-+ oldport.len = eat_line(oldport.s, body.s + body.len -
-+ oldport.s) - oldport.s;
-+ trim_len(oldport.len, oldport.s, oldport);
-+ }
-+ if (newport.len == oldport.len &&
-+ memcmp(newport.s, oldport.s, newport.len) == 0)
-+ oldport.len = 0;
-+
-+ cldelta = 0;
-+
-+ if (oldip.len != 0) {
-+ if (alter_mediaip(msg, &body, &newip, &oldip,
-+ &cldelta, 0) == -1)
-+ return -1;
-+ if (newip1.len > 0 && alter_mediaip(msg, &body1, &newip1,
-+ &oldip, &cldelta, 0) == -1)
-+ return -1;
-+ }
-+ if (oldport.len != 0 &&
-+ alter_mediaport(msg, &body, &newport, &oldport, &cldelta, 0) == -1)
-+ return -1;
-+
-+ if (cldelta == 0)
-+ return 1;
-+
-+ return (update_clen(msg, body.len + cldelta));
-+}
-+
-+static char *
-+send_rtpp_command(str *callid, char command, int getreply)
-+{
-+ struct sockaddr_un addr;
-+ int fd, len;
-+ struct iovec v[3];
-+ static char buf[16];
-+ char cmd[2] = {' ', ' '};
-+
-+ memset(&addr, 0, sizeof(addr));
-+ addr.sun_family = AF_LOCAL;
-+ strncpy(addr.sun_path, "/var/run/rtpproxy.sock",
-+ sizeof(addr.sun_path) - 1);
-+#if !defined(__linux__)
-+ addr.sun_len = strlen(addr.sun_path);
-+#endif
-+
-+ fd = socket(AF_LOCAL, SOCK_STREAM, 0);
-+ if (fd < 0) {
-+ LOG(L_ERR, "ERROR: send_rtpp_command: can't create socket\n");
-+ return NULL;
-+ }
-+ if (connect(fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
-+ close(fd);
-+ LOG(L_ERR, "ERROR: send_rtpp_command: can't connect to RTP proxy\n");
-+ return NULL;
-+ }
-+
-+ cmd[0] = command;
-+ v[0].iov_base = cmd;
-+ v[0].iov_len = 2;
-+ v[1].iov_base = callid->s;
-+ v[1].iov_len = callid->len;
-+ v[2].iov_base = "\n";
-+ v[2].iov_len = 1;
-+ do {
-+ len = writev(fd, v, 3);
-+ } while (len == -1 && errno == EINTR);
-+ if (len <= 0) {
-+ close(fd);
-+ LOG(L_ERR, "ERROR: send_rtpp_command: can't send command to a RTP proxy\n");
-+ return NULL;
-+ }
-+
-+ if (getreply != 0) {
-+ do {
-+ len = read(fd, buf, sizeof(buf) - 1);
-+ } while (len == -1 && errno == EINTR);
-+ close(fd);
-+ if (len <= 0) {
-+ LOG(L_ERR, "ERROR: send_rtpp_command: can't read reply from a RTP proxy\n");
-+ return NULL;
-+ }
-+ buf[len] = '\0';
-+ }
-+
-+ return buf;
-+}
-+
-+static int
-+unforce_rtp_proxy_f(struct sip_msg* msg, char* str1, char* str2)
-+{
-+
-+ if (msg->callid == NULL || msg->callid->body.len <= 0) {
-+ LOG(L_ERR, "ERROR: unforce_rtp_proxy: no Call-Id field\n");
-+ return -1;
-+ }
-+ send_rtpp_command(&(msg->callid->body), 'D', 0);
-+
-+ return 1;
-+}
-+
-+static int
-+force_rtp_proxy_f(struct sip_msg* msg, char* str1, char* str2)
-+{
-+ str body, body1, oldport, oldip, oldip1, newport, newip;
-+ int create, port, cldelta, len;
-+ char buf[16];
-+ char *cp, *cp1;
-+
-+ if (msg->first_line.type == SIP_REQUEST &&
-+ msg->first_line.u.request.method_value == METHOD_INVITE) {
-+ create = 1;
-+ } else if (msg->first_line.type == SIP_REPLY) {
-+ create = 0;
-+ } else {
-+ return -1;
-+ }
-+ if (msg->callid == NULL || msg->callid->body.len <= 0) {
-+ LOG(L_ERR, "ERROR: force_rtp_proxy: no Call-Id field\n");
-+ return -1;
-+ }
-+ if (extract_body(msg, &body) == -1 || body.len == 0)
-+ return -1;
-+ for (cp = body.s; (len = body.s + body.len - cp) >= ANORTPPROXY_LEN;) {
-+ cp1 = ser_memmem(cp, ANORTPPROXY, len, ANORTPPROXY_LEN);
-+ if (cp1 == NULL)
-+ break;
-+ if (cp1[-1] == '\n' || cp1[-1] == '\r')
-+ return 1;
-+ cp = cp1 + ANORTPPROXY_LEN;
-+ }
-+ if (extract_mediaip(&body, &oldip) == -1) {
-+ LOG(L_ERR, "ERROR: force_rtp_proxy: can't extract media IP from the message\n");
-+ return -1;
-+ }
-+ body1.s = oldip.s + oldip.len;
-+ body1.len = body.s + body.len - body1.s;
-+ if (extract_mediaip(&body1, &oldip1) == -1) {
-+ oldip1.len = 0;
-+ }
-+ if (extract_mediaport(&body, &oldport) == -1) {
-+ LOG(L_ERR, "ERROR: force_rtp_proxy: can't extract media port from the message\n");
-+ return -1;
-+ }
-+ cp = send_rtpp_command(&(msg->callid->body), create ? 'U' : 'L', 1);
-+ if (cp == NULL)
-+ return -1;
-+ port = atoi(cp);
-+ if (port <= 0 || port > 65535)
-+ return -1;
-+
-+ newport.s = buf;
-+ newport.len = sprintf(buf, "%d", port);
-+ newip.s = ip_addr2a(&msg->rcv.dst_ip);
-+ newip.len = strlen(newip.s);
-+
-+ cldelta = 0;
-+ if (alter_mediaip(msg, &body, &oldip, &newip, &cldelta, 0) == -1)
-+ return -1;
-+ if (oldip1.len > 0 &&
-+ alter_mediaip(msg, &body1, &oldip1, &newip, &cldelta, 0) == -1)
-+ return -1;
-+ if (alter_mediaport(msg, &body, &oldport, &newport, &cldelta, 0) == -1)
-+ return -1;
-+
-+ if (cldelta == 0)
-+ return 1;
-+
-+ return (update_clen(msg, body.len + cldelta));
- return 1;
- }
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-31 21:26:26 +0000