From 8ea87da749779881a3ab6621b2b07c24301248d9 Mon Sep 17 00:00:00 2001
From: Mark Spencer <markster@digium.com>
Date: Wed, 22 Oct 2003 03:10:34 +0000
Subject: [PATCH] Make getaddrfor work with openbsd (bug #415)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1647 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
acl.c | 90 ++++++++++++++++++++++++++++++++++++++++++++-
apps/app_intercom.c | 4 ++
channels/chan_oss.c | 4 ++
3 files changed, 96 insertions(+), 2 deletions(-)
diff --git a/acl.c b/acl.c
index 9c832ed4a4..399586a84f 100755
--- a/acl.c
+++ b/acl.c
@@ -21,6 +21,7 @@
#include <unistd.h>
#include <asterisk/acl.h>
#include <asterisk/logger.h>
+#include <asterisk/channel.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netdb.h>
@@ -28,6 +29,11 @@
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <sys/ioctl.h>
+#ifdef __OpenBSD__
+#include <net/route.h>
+
+static ast_mutex_t routeseq_lock = AST_MUTEX_INITIALIZER;
+#endif
#define AST_SENSE_DENY 0
#define AST_SENSE_ALLOW 1
@@ -158,6 +164,87 @@ int ast_lookup_iface(char *iface, struct in_addr *address) {
int ast_ouraddrfor(struct in_addr *them, struct in_addr *us)
{
+#ifdef __OpenBSD__
+ struct sockaddr_in *sin;
+ struct sockaddr *sa;
+ struct {
+ struct rt_msghdr m_rtm;
+ char m_space[512];
+ } m_rtmsg;
+ char *cp, *p = ast_strdupa(inet_ntoa(*them));
+ int i, l, s, seq;
+ pid_t pid = getpid();
+ static int routeseq; /* Protected by "routeseq_lock" mutex */
+
+ memset(us, 0, sizeof(struct in_addr));
+
+ memset(&m_rtmsg, 0, sizeof(m_rtmsg));
+ m_rtmsg.m_rtm.rtm_type = RTM_GET;
+ m_rtmsg.m_rtm.rtm_flags = RTF_UP | RTF_HOST;
+ m_rtmsg.m_rtm.rtm_version = RTM_VERSION;
+ ast_mutex_lock(&routeseq_lock);
+ seq = ++routeseq;
+ ast_mutex_unlock(&routeseq_lock);
+ m_rtmsg.m_rtm.rtm_seq = seq;
+ m_rtmsg.m_rtm.rtm_addrs = RTA_IFA | RTA_DST;
+ m_rtmsg.m_rtm.rtm_msglen = sizeof(struct rt_msghdr) + sizeof(struct sockaddr_in);
+ sin = (struct sockaddr_in *)m_rtmsg.m_space;
+ sin->sin_family = AF_INET;
+ sin->sin_len = sizeof(struct sockaddr_in);
+ sin->sin_addr = *them;
+
+ if ((s = socket(PF_ROUTE, SOCK_RAW, 0)) < 0) {
+ ast_log(LOG_ERROR, "Error opening routing socket\n");
+ return -1;
+ }
+ if (write(s, (char *)&m_rtmsg, m_rtmsg.m_rtm.rtm_msglen) < 0) {
+ ast_log(LOG_ERROR, "Error writing to routing socket: %s\n", strerror(errno));
+ close(s);
+ return -1;
+ }
+ do {
+ l = read(s, (char *)&m_rtmsg, sizeof(m_rtmsg));
+ } while (l > 0 && (m_rtmsg.m_rtm.rtm_seq != 1 || m_rtmsg.m_rtm.rtm_pid != pid));
+ close(s);
+ if (l < 0) {
+ ast_log(LOG_ERROR, "Error reading from routing socket\n");
+ return -1;
+ }
+
+ if (m_rtmsg.m_rtm.rtm_version != RTM_VERSION) {
+ ast_log(LOG_ERROR, "Unsupported route socket protocol version\n");
+ return -1;
+ }
+
+ if (m_rtmsg.m_rtm.rtm_msglen != l)
+ ast_log(LOG_WARNING, "Message length mismatch, in packet %d, returned %d\n",
+ m_rtmsg.m_rtm.rtm_msglen, l);
+
+ if (m_rtmsg.m_rtm.rtm_errno) {
+ ast_log(LOG_ERROR, "RTM_GET got %s (%d)\n",
+ strerror(m_rtmsg.m_rtm.rtm_errno), m_rtmsg.m_rtm.rtm_errno);
+ return -1;
+ }
+
+ cp = (char *)m_rtmsg.m_space;
+ if (m_rtmsg.m_rtm.rtm_addrs)
+ for (i = 1; i; i <<= 1)
+ if (m_rtmsg.m_rtm.rtm_addrs & i) {
+ sa = (struct sockaddr *)cp;
+ if (i == RTA_IFA && sa->sa_family == AF_INET) {
+ sin = (struct sockaddr_in *)sa;
+ *us = sin->sin_addr;
+ ast_log(LOG_DEBUG, "Found route to %s, output from our address %s.\n", p, inet_ntoa(*us));
+ return 0;
+ }
+ cp += sa->sa_len > 0 ?
+ (1 + ((sa->sa_len - 1) | (sizeof(long) - 1))) :
+ sizeof(long);
+ }
+
+ ast_log(LOG_DEBUG, "No route found for address %s!\n", p);
+ return -1;
+#else
FILE *PROC;
unsigned int remote_ip;
int res = 1;
@@ -221,6 +308,5 @@ int ast_ouraddrfor(struct in_addr *them, struct in_addr *us)
return -1;
}
return 0;
+#endif
}
-
-
diff --git a/apps/app_intercom.c b/apps/app_intercom.c
index 4c2379ca8c..925ea37c25 100755
--- a/apps/app_intercom.c
+++ b/apps/app_intercom.c
@@ -35,7 +35,11 @@
#endif
#include <netinet/in.h>
+#ifdef __OpenBSD__
+#define DEV_DSP "/dev/audio"
+#else
#define DEV_DSP "/dev/dsp"
+#endif
/* Number of 32 byte buffers -- each buffer is 2 ms */
#define BUFFER_SIZE 32
diff --git a/channels/chan_oss.c b/channels/chan_oss.c
index d55f8569bd..3557ac0227 100755
--- a/channels/chan_oss.c
+++ b/channels/chan_oss.c
@@ -46,7 +46,11 @@
#include "answer.h"
/* Which device to use */
+#ifdef __OpenBSD__
+#define DEV_DSP "/dev/audio"
+#else
#define DEV_DSP "/dev/dsp"
+#endif
/* Lets use 160 sample frames, just like GSM. */
#define FRAME_SIZE 160
--
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