Modifiche dell'ultimo minuto e messo insieme anche una opzione di chroot

[gapil.git] / sources / wwwd.c

diff --git a/sources/wwwd.c b/sources/wwwd.c
index f9b49fa86fcef631eb9c3c2821cba1841111b3c2..9fceda5330c020cf5635f43f2a36bdb914e56b76 100644 (file)
--- a/sources/wwwd.c
+++ b/sources/wwwd.c
@@ -70,6 +70,8 @@ int main(int argc, char *argv[])
     int list_fd, conn_fd;
     int waiting = 0;
     int compat = 0;
+    int reroot = 0;
+    char * rootdir;
     pid_t pid;
     struct sockaddr_in cli_add;
     socklen_t len;
@@ -80,7 +82,7 @@ int main(int argc, char *argv[])
      */
     int i;
     opterr = 0;         /* don't want writing to stderr */
-    while ( (i = getopt(argc, argv, "hdicw:")) != -1) {
+    while ( (i = getopt(argc, argv, "hdicw:r:")) != -1) {
        switch (i) {
        /* 
         * Handling options 
@@ -102,6 +104,11 @@ int main(int argc, char *argv[])
        case 'w':
            waiting = strtol(optarg, NULL, 10);
            break;
+       case 'r':
+           printf("chroot\n");
+           reroot = 1;
+           rootdir = optarg;
+           break;
        case '?':   /* unrecognized options */
            printf("Unrecognized options -%c\n",optopt);
            usage();
@@ -126,6 +133,18 @@ int main(int argc, char *argv[])
     if ( (list_fd = sockbind2(argv[optind], "www", 6, SOCK_STREAM)) < 0) {
        return 1;
     }   
+    /* chroot if requested */
+    if (reroot) {
+       printf("chroot to %s\n", rootdir);
+       if (chdir(rootdir)) {
+           perror("Cannot find directory to chroot");
+           exit(1);
+       }
+       if (chroot(rootdir)) {
+           perror("Cannot chroot");
+           exit(1);
+       }
+    }
     /* release privileges and go daemon */
     if (setgid(65534) !=0) { /* first give away group privileges */
        perror("cannot give away group privileges");