ctdluid is now specified on the command line with the new -u option. Config file...
[citadel.git] / citadel / server_main.c
index 691096b66a05cc4371b80aa0394d7ae199a155e6..9837f86e54c3537e71bc0ee779286d45d3cf88be 100644 (file)
 #include "user_ops.h"
 #include "ecrash.h"
 
+uid_t ctdluid = 0;
 const char *CitadelServiceUDS="citadel-UDS";
 const char *CitadelServiceTCP="citadel-TCP";
-
-
-
 void go_threading(void);
 
 /*
@@ -51,6 +49,8 @@ int main(int argc, char **argv)
        char ctdldir[PATH_MAX]=CTDLDIR;
        int syslog_facility = LOG_DAEMON;
        const char *eDebuglist[] = {NULL, NULL};
+       uid_t u = 0;
+       struct passwd *p = NULL;
 #ifdef HAVE_RUN_DIR
        struct stat filestats;
 #endif
@@ -64,7 +64,7 @@ int main(int argc, char **argv)
        InitializeMasterTSD();
 
        /* parse command-line arguments */
-       while ((a=getopt(argc, argv, "l:dh:x:t:B:Dr")) != EOF) switch(a) {
+       while ((a=getopt(argc, argv, "l:dh:x:t:B:Dru:")) != EOF) switch(a) {
 
                case 'l':
                        safestrncpy(facility, optarg, sizeof(facility));
@@ -108,16 +108,57 @@ int main(int argc, char **argv)
                        drop_root_perms = 0;
                        break;
 
+               /* -u tells the server what uid to run under... */
+               case 'u':
+                       u = atoi(optarg);
+                       if (u > 0) {
+                               ctdluid = u;
+                       }
+                       else {
+                               p = getpwnam(optarg);
+                               if (p) {
+                                       u = p->pw_uid;
+                               }
+                       }
+                       if (u > 0) {
+                               ctdluid = u;
+                       }
+                       break;
+
                default:
                /* any other parameter makes it crash and burn */
                        fprintf(stderr, "citserver: usage: "
                                        "citserver "
                                        "[-l LogFacility] "
                                        "[-d] [-D] [-r] "
+                                       "[-u user] "
                                        "[-h HomeDir]\n"
                        );
                        exit(1);
        }
+
+       /* Last ditch effort to determine the user name ... if there's a user called "citadel" then use that */
+       if (ctdluid == 0) {
+               p = getpwnam("citadel");
+               if (!p) {
+                       p = getpwnam("bbs");
+               }
+               if (!p) {
+                       p = getpwnam("guest");
+               }
+               if (p) {
+                       u = p->pw_uid;
+               }
+               if (u > 0) {
+                       ctdluid = u;
+               }
+       }
+
+       if ((ctdluid == 0) && (drop_root_perms == 0)) {
+               fprintf(stderr, "citserver: cannot determine user to run as; please specify -r or -u options\n");
+               exit(CTDLEXIT_UNUSER);
+       }
+
        StartLibCitadel(basesize);
        openlog("citserver",
                ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
@@ -178,9 +219,9 @@ int main(int argc, char **argv)
        if (stat(ctdl_run_dir, &filestats)==-1){
 #ifdef HAVE_GETPWUID_R
 #ifdef SOLARIS_GETPWUID
-               pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
+               pwp = getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf));
 #else // SOLARIS_GETPWUID
-               getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
+               getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
 #endif // SOLARIS_GETPWUID
 #else // HAVE_GETPWUID_R
                pwp = NULL;
@@ -191,7 +232,7 @@ int main(int argc, char **argv)
                                      "unable to create run directory [%s]: %s", 
                                      ctdl_run_dir, strerror(errno));
 
-               if (chown(ctdl_run_dir, config.c_ctdluid, (pwp==NULL)?-1:pw.pw_gid) != 0)
+               if (chown(ctdl_run_dir, ctdluid, (pwp==NULL)?-1:pw.pw_gid) != 0)
                        syslog(LOG_EMERG, 
                                      "unable to set the access rights for [%s]: %s", 
                                      ctdl_run_dir, strerror(errno));
@@ -298,9 +339,9 @@ int main(int argc, char **argv)
 
 #ifdef HAVE_GETPWUID_R
 #ifdef SOLARIS_GETPWUID
-               pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
+               pwp = getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf));
 #else // SOLARIS_GETPWUID
-               getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
+               getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
 #endif // SOLARIS_GETPWUID
 #else // HAVE_GETPWUID_R
                pwp = NULL;