srelay bind to device (#2193)

SVN-Revision: 8382

diff --git a/net/srelay/patches/004-bindtodevice.patch b/net/srelay/patches/004-bindtodevice.patch
new file mode 100644 (file)
index 0000000..9daa48e
--- /dev/null
+++ b/net/srelay/patches/004-bindtodevice.patch
@@ -0,0 +1,129 @@
+diff -u srelay-0.4.6.orig/main.c srelay-0.4.6/main.c
+--- srelay-0.4.6.orig/main.c   2003-03-26 20:45:12.000000000 +0000
++++ srelay-0.4.6/main.c        2007-08-09 13:53:30.000000000 +0100
+@@ -43,6 +43,7 @@
+ char *ident = "srelay";
+ char *pidfile = PIDFILE;
+ char *pwdfile = PWDFILE;
++char *bindtodevice = NULL;
+ pid_t master_pid;
+ 
+ #if USE_THREAD
+@@ -74,6 +75,9 @@
+   fprintf(stderr, "options:\n"
+         "\t-c file\tconfig file\n"
+         "\t-i i/f\tlisten interface IP[:PORT]\n"
++#ifdef SO_BINDTODEVICE
++        "\t-J i/f\toutbound interface name\n"
++#endif
+         "\t-m num\tmax child/thread\n"
+         "\t-o min\tidle timeout minutes\n"
+         "\t-p file\tpid file\n"
+@@ -125,7 +129,7 @@
+ 
+   uid = getuid();
+ 
+-  while((ch = getopt(ac, av, "a:c:i:m:o:p:u:frstbvh?")) != -1)
++  while((ch = getopt(ac, av, "a:c:i:J:m:o:p:u:frstbvh?")) != -1)
+     switch (ch) {
+     case 'a':
+       if (optarg != NULL) {
+@@ -180,6 +184,14 @@
+       }
+       break;
+ 
++#ifdef SO_BINDTODEVICE
++    case 'J':
++      if (optarg != NULL) {
++      bindtodevice = strdup(optarg);
++      }
++      break;
++#endif
++
+     case 'o':
+       if (optarg != NULL) {
+       idle_timeout = atol(optarg);
+diff -u srelay-0.4.6.orig/socks.c srelay-0.4.6/socks.c
+--- srelay-0.4.6.orig/socks.c  2003-04-13 22:13:25.000000000 +0100
++++ srelay-0.4.6/socks.c       2007-08-09 14:44:24.000000000 +0100
+@@ -990,6 +990,24 @@
+   return(-1);
+ }
+ 
++#ifdef SO_BINDTODEVICE
++#include <net/if.h>
++static int do_bindtodevice(int cs, char *dev)
++{
++  int rc;
++  struct ifreq interface;
++  
++  strncpy(interface.ifr_name, dev, IFNAMSIZ);
++  setreuid(PROCUID, 0);
++  rc = setsockopt(cs, SOL_SOCKET, SO_BINDTODEVICE,
++                  (char *)&interface, sizeof(interface));
++  setreuid(0, PROCUID);
++  if (rc < 0)
++    msg_out(crit, "setsockopt SO_BINDTODEVICE(%s) failed: %d", dev, errno);
++  return(rc);
++}
++#endif
++
+ int socks_direct_conn(int ver, struct socks_req *req)
+ {
+   int    cs, acs = 0;
+@@ -1037,6 +1055,14 @@
+         continue;
+       }
+ 
++#ifdef SO_BINDTODEVICE
++      if (bindtodevice && do_bindtodevice(cs, bindtodevice) < 0) {
++        save_errno = errno;
++        close(cs);
++        continue;
++      }
++#endif
++
+       if (connect(cs, res->ai_addr, res->ai_addrlen) < 0) {
+         /* connect fail */
+       save_errno = errno;
+@@ -1096,6 +1122,14 @@
+       return(-1);
+     }
+ 
++#ifdef SO_BINDTODEVICE
++    if (bindtodevice && do_bindtodevice(acs, bindtodevice) < 0) {
++      GEN_ERR_REP(req->s, ver);
++      close(acs);
++      return(-1);
++    }
++#endif
++
+     if (bind_sock(acs, req, &ba) != 0) {
+       GEN_ERR_REP(req->s, ver);
+       return(-1);
+@@ -1351,6 +1385,14 @@
+       continue;
+     }
+ 
++#ifdef SO_BINDTODEVICE
++    if (bindtodevice && do_bindtodevice(cs, bindtodevice) < 0) {
++      save_errno = errno;
++      close(cs);
++      continue;
++    }
++#endif
++
+     if (connect(cs, res->ai_addr, res->ai_addrlen) < 0) {
+       /* connect fail */
+       save_errno = errno;
+diff -u srelay-0.4.6.orig/srelay.h srelay-0.4.6/srelay.h
+--- srelay-0.4.6.orig/srelay.h 2003-04-14 06:36:15.000000000 +0100
++++ srelay-0.4.6/srelay.h      2007-08-09 13:46:06.000000000 +0100
+@@ -266,6 +266,7 @@
+ extern char *ident;
+ extern char *pidfile;
+ extern char *pwdfile;
++extern char *bindtodevice;
+ extern int max_child;
+ extern int cur_child;
+ extern char method_tab[];