Enable inetd operations fro TCP/IP stack

[yaz-moved-to-github.git] / server / statserv.c

diff --git a/server/statserv.c b/server/statserv.c
index a692eb2..f40caac 100644 (file)
--- a/server/statserv.c
+++ b/server/statserv.c
@@ -4,7 +4,22 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: statserv.c,v $
- * Revision 1.28  1995-09-29 17:12:30  quinn
+ * Revision 1.33  1996-02-10 12:23:49  quinn
+ * Enable inetd operations fro TCP/IP stack
+ *
+ * Revision 1.32  1996/01/19  15:41:52  quinn
+ * *** empty log message ***
+ *
+ * Revision 1.31  1995/11/17  11:09:39  adam
+ * Added new option '-c' to specify configuration name in control block.
+ *
+ * Revision 1.30  1995/11/01  13:54:59  quinn
+ * Minor adjustments
+ *
+ * Revision 1.29  1995/10/30  12:41:29  quinn
+ * Added hostname lookup for server.
+ *
+ * Revision 1.28  1995/09/29  17:12:30  quinn
  * Smallish
  *
  * Revision 1.27  1995/09/27  15:03:02  quinn
@@ -116,7 +131,6 @@
 #ifdef USE_XTIMOSI
 #include <xmosi.h>
 #endif
-#include <dmalloc.h>
 #include <log.h>
 #include <statserv.h>
 
@@ -131,14 +145,12 @@ static statserv_options_block control_block = {
     "",                         /* diagnostic output to stderr */
     "tcp:@:9999",               /* default listener port */
     PROTO_Z3950,                /* default application protocol */
-    2*60,                       /* idle timeout (minutes) */
+    60,                         /* idle timeout (minutes) */
     1024*1024,                  /* maximum PDU size (approx.) to allow */
     "default-config",           /* configuration name to pass to backend */
     ""                          /* set user id */
 };
 
-#define DEFAULT_LISTENER "tcp:localhost:9999"
-
 /*
  * handle incoming connect requests.
  * The dynamic mode is a bit tricky mostly because we want to avoid
@@ -216,6 +228,7 @@ static void listener(IOCHAN h, int event)
     {
        COMSTACK new_line;
        IOCHAN new_chan;
+       char *a;
 
        if (!(new_line = cs_accept(line)))
        {
@@ -227,7 +240,7 @@ static void listener(IOCHAN h, int event)
        if (control_block.dynamic)
        {
            IOCHAN pp;
-           /* close our half of the listener sockets */
+           /* close our half of the listener socket */
            for (pp = iochan_getchan(); pp; pp = iochan_getnext(pp))
            {
                COMSTACK l = iochan_getdata(pp);
@@ -254,7 +267,8 @@ static void listener(IOCHAN h, int event)
        }
        iochan_setdata(new_chan, newas);
        iochan_settimeout(new_chan, control_block.idle_timeout * 60);
-       logf(LOG_LOG, "accepted connection");
+       a = cs_addrstr(new_line);
+       logf(LOG_LOG, "Accepted connection from %s", a ? a : "[Unknown]");
     }
     else
     {
@@ -263,6 +277,34 @@ static void listener(IOCHAN h, int event)
     }
 }
 
+static void inetd_connection(int what)
+{
+    COMSTACK line;
+    IOCHAN chan;
+    association *assoc;
+    char *addr;
+
+    if (!(line = cs_createbysocket(0, tcpip_type, 0, what)))
+    {
+       logf(LOG_ERRNO|LOG_FATAL, "Failed to create comstack on socket 0");
+       exit(1);
+    }
+    if (!(chan = iochan_create(cs_fileno(line), ir_session, EVENT_INPUT)))
+    {
+       logf(LOG_FATAL, "Failed to create iochan");
+       exit(1);
+    }
+    if (!(assoc = create_association(chan, line)))
+    {
+       logf(LOG_FATAL, "Failed to create association structure");
+       exit(1);
+    }
+    iochan_setdata(chan, assoc);
+    iochan_settimeout(chan, control_block.idle_timeout * 60);
+    addr = cs_addrstr(line);
+    logf(LOG_LOG, "Inetd association from %s", addr ? addr : "[UNKNOWN]");
+}
+
 /*
  * Set up a listening endpoint, and give it to the event-handler.
  */
@@ -352,12 +394,12 @@ void statserv_setcontrol(statserv_options_block *block)
 
 int statserv_main(int argc, char **argv)
 {
-    int ret, listeners = 0;
+    int ret, listeners = 0, inetd = 0;
     char *arg;
     int protocol = control_block.default_proto;
 
     me = argv[0];
-    while ((ret = options("a:szSl:v:u:", argv, argc, &arg)) != -2)
+    while ((ret = options("a:iszSl:v:u:c:w:", argv, argc, &arg)) != -2)
     {
        switch (ret)
        {
@@ -380,15 +422,33 @@ int statserv_main(int argc, char **argv)
                strcpy(control_block.apdufile, arg ? arg : ""); break;
            case 'u':
                strcpy(control_block.setuid, arg ? arg : ""); break;
+            case 'c':
+                strcpy(control_block.configname, arg ? arg : ""); break;
+           case 'i':
+               inetd = 1; break;
+           case 'w':
+               if (chdir(arg))
+               {
+                   perror(arg);
+                   exit(1);
+               }
+               break;
            default:
-               fprintf(stderr, "Usage: %s [ -a <pdufile> -v <loglevel> -l <logfile> -u <user> -zsS <listener-addr> ... ]\n", me);
+               fprintf(stderr, "Usage: %s [ -i -a <pdufile> -v <loglevel>"
+                        " -l <logfile> -u <user> -c <config>"
+                        " -zsS <listener-addr> -w <directory> ... ]\n", me);
                exit(1);
-       }
+            }
+    }
+    if (inetd)
+       inetd_connection(protocol);
+    else
+    {
+       if (control_block.dynamic)
+           signal(SIGCHLD, catchchld);
+       if (!listeners && *control_block.default_listen)
+           add_listener(control_block.default_listen, protocol);
     }
-    if (control_block.dynamic)
-       signal(SIGCHLD, catchchld);
-    if (!listeners && *control_block.default_listen)
-       add_listener(control_block.default_listen, protocol);
     if (*control_block.setuid)
     {
        struct passwd *pw;