Began setting up a second server socket that will be used exclusively for admin utilities
[citadel.git] / citadel / utils / sendcommand.c
index 8ea8fd633e97a7273530a86595992a6c63efd78e..71764bcbbbce69e2a84edf081ca5860dd52b15e7 100644 (file)
@@ -1,8 +1,15 @@
 /*
- * $Id$
- *
  * Command-line utility to transmit a server command.
  *
+ * Copyright (c) 1987-2012 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  */
 
 #include "ctdl_module.h"
 #include "server.h"
 #include "config.h"
 
-#define LOCKFILE "/tmp/LCK.sendcommand"
-
 static CtdlIPC *ipc = NULL;
 
-/*
- * make sure only one copy of sendcommand runs at a time, using lock files
- */
-int set_lockfile(void)
-{
-       FILE *lfp;
-       int onppid;
-       int rv;
-
-       if ((lfp = fopen(LOCKFILE, "r")) != NULL) {
-               rv = fscanf(lfp, "%d", &onppid);
-               fclose(lfp);
-               if (!kill(onppid, 0) || errno == EPERM)
-                       return 1;
-       }
-       lfp = fopen(LOCKFILE, "w");
-       fprintf(lfp, "%ld\n", (long) getpid());
-       fclose(lfp);
-       return (0);
-}
-
-void remove_lockfile(void)
-{
-       unlink(LOCKFILE);
-}
-
 /*
  * Why both cleanup() and nq_cleanup() ?  Notice the alarm() call in
  * cleanup() .  If for some reason sendcommand hangs waiting for the server
@@ -77,7 +56,6 @@ void nq_cleanup(int e)
 {
        if (e == SIGALRM)
                fprintf(stderr, "\nWatch dog time out.\n");
-       remove_lockfile();
        exit(e);
 }
 
@@ -87,15 +65,8 @@ void nq_cleanup(int e)
 void serv_write(CtdlIPC *ipc, const char *buf, unsigned int nbytes)
 {
        unsigned int bytes_written = 0;
-       int retval;
-/*
-#if defined(HAVE_OPENSSL)
-       if (ipc->ssl) {
-               serv_write_ssl(ipc, buf, nbytes);
-               return;
-       }
-#endif
-*/
+       int retval = 0;
+
        while (bytes_written < nbytes) {
                retval = write(ipc->sock, &buf[bytes_written],
                               nbytes - bytes_written);
@@ -114,8 +85,12 @@ void cleanup(int e)
 
        alarm(30);
        signal(SIGALRM, nq_cleanup);
-       serv_write(ipc, "\n", 1);
-       if (nested++ < 1)
+       if ((ipc != NULL) && 
+           (ipc->sock > 0))
+               serv_write(ipc, "\n", 1);
+       if ((nested++ < 1) &&
+           (ipc != NULL) &&
+           (ipc->sock > 0))
                CtdlIPCQuit(ipc);
        nq_cleanup(e);
 }
@@ -166,9 +141,6 @@ void sendcommand_die(void) {
 
 
 
-/*
- * main
- */
 int main(int argc, char **argv)
 {
        int a;
@@ -182,7 +154,7 @@ int main(int argc, char **argv)
        char ctdldir[PATH_MAX]=CTDLDIR;
        fd_set read_fd;
        struct timeval tv;
-       int ret, err;
+       int ret;
        int server_shutting_down = 0;
        
        strcpy(ctdl_home_directory, DEFAULT_PORT);
@@ -194,19 +166,19 @@ int main(int argc, char **argv)
        for (a = 1; a < argc; ++a) {
                if (!strncmp(argv[a], "-h", 2)) {
                        relh=argv[a][2]!='/';
-                       if (!relh) safestrncpy(ctdl_home_directory, &argv[a][2],
-                                                                  sizeof ctdl_home_directory);
-                       else
-                               safestrncpy(relhome, &argv[a][2],
-                                                       sizeof relhome);
+                       if (!relh) safestrncpy(ctdl_home_directory, &argv[a][2], sizeof ctdl_home_directory);
+                       else {
+                               safestrncpy(relhome, &argv[a][2], sizeof relhome);
+                       }
                        home=1;
                } else if (!strncmp(argv[a], "-w", 2)) {
                        watchdog = atoi(&argv[a][2]);
                        if (watchdog<1)
                                watchdog=1;
                } else {
-                       if (!IsEmptyStr(cmd))
+                       if (!IsEmptyStr(cmd)) {
                                strcat(cmd, " ");
+                       }
                        strcat(cmd, argv[a]);
                }
        }
@@ -265,14 +237,10 @@ int main(int argc, char **argv)
                        FD_ZERO(&read_fd);
                        FD_SET(ipc->sock, &read_fd);
                        ret = select(ipc->sock+1, &read_fd, NULL, NULL,  &tv);
-                       err = errno;
-                       if (err!=0)
-                               printf("select failed: %d", err);
-
                        if (ret == -1) {
                                if (!(errno == EINTR || errno == EAGAIN))
-                                       printf("select failed: %d", err);
-                               return 1;
+                                       fprintf(stderr, "select() failed: %s", strerror(errno));
+                               return(1);
                        }
 
                        if (ret != 0) {
@@ -283,7 +251,7 @@ int main(int argc, char **argv)
                                n = read(ipc->sock, rbuf, SIZ);
                                if (n>0) {
                                        rbuf[n]='\0';
-                                       fprintf (stderr, rbuf);
+                                       fprintf(stderr, "%s", rbuf);
                                        fflush (stdout);
                                }
                        }