bind to non-INADDR_ANY for TCP/IP

("James E Jurach Jr." <muaddib@fundsxpress.com>)

diff --git a/libfcgi/os_unix.c b/libfcgi/os_unix.c
index a58c1f2..342f923 100755 (executable)
--- a/libfcgi/os_unix.c
+++ b/libfcgi/os_unix.c
@@ -17,7 +17,7 @@
  */
 
 #ifndef lint
-static const char rcsid[] = "$Id: os_unix.c,v 1.24 2001/03/27 14:03:20 robs Exp $";
+static const char rcsid[] = "$Id: os_unix.c,v 1.25 2001/04/30 15:00:50 skimo Exp $";
 #endif /* not lint */
 
 #include "fcgi_config.h"
@@ -68,6 +68,10 @@ static const char rcsid[] = "$Id: os_unix.c,v 1.24 2001/03/27 14:03:20 robs Exp
 #define TRUE 1
 #endif
 
+#ifndef INADDR_NONE
+#define INADDR_NONE ((unsigned long) -1)
+#endif
+
 /*
  * This structure holds an entry for each oustanding async I/O operation.
  */
@@ -244,6 +248,7 @@ int OS_CreateLocalIpcFd(const char *bindPath, int backlog)
     int listenSock, servLen;
     union   SockAddrUnion sa;
     int            tcp = FALSE;
+    unsigned long tcp_ia;
     char    *tp;
     short   port;
     char    host[MAXPATHLEN];
@@ -257,12 +262,26 @@ int OS_CreateLocalIpcFd(const char *bindPath, int backlog)
            tcp = TRUE;
         }
     }
-    if(tcp && (*host && strcmp(host, "localhost") != 0)) {
-       fprintf(stderr, "To start a service on a TCP port can not "
-                       "specify a host name.\n"
-                       "You should either use \"localhost:<port>\" or "
-                       " just use \":<port>.\"\n");
-       exit(1);
+    if(tcp) {
+      if (!*host || !strcmp(host,"*")) {
+       tcp_ia = htonl(INADDR_ANY);
+      } else {
+       tcp_ia = inet_addr(host);
+       if (tcp_ia == INADDR_NONE) {
+         struct hostent * hep;
+         hep = gethostbyname(host);
+         if ((!hep) || (hep->h_addrtype != AF_INET || !hep->h_addr_list[0])) {
+           fprintf(stderr, "Cannot resolve host name %s -- exiting!\n", host);
+           exit(1);
+         }
+         if (hep->h_addr_list[1]) {
+           fprintf(stderr, "Host %s has multiple addresses ---\n", host);
+           fprintf(stderr, "you must choose one explicitly!!!\n");
+           exit(1);
+         }
+         tcp_ia = ((struct in_addr *) (hep->h_addr))->s_addr;
+       }
+      }
     }
 
     if(tcp) {
@@ -288,7 +307,7 @@ int OS_CreateLocalIpcFd(const char *bindPath, int backlog)
     if(tcp) {
        memset((char *) &sa.inetVariant, 0, sizeof(sa.inetVariant));
        sa.inetVariant.sin_family = AF_INET;
-       sa.inetVariant.sin_addr.s_addr = htonl(INADDR_ANY);
+       sa.inetVariant.sin_addr.s_addr = tcp_ia;
        sa.inetVariant.sin_port = htons(port);
        servLen = sizeof(sa.inetVariant);
     } else {