added -b option

diff --git a/sudo.c b/sudo.c
index b71184de1742b90e9236daf2e5af35220260f6a5..3c0757c474f9119c49be8aa3fe59331043bcf885 100644 (file)
--- a/sudo.c
+++ b/sudo.c
@@ -176,6 +176,9 @@ main(argc, argv)
        case MODE_LIST :
            cmnd = "list";
            break;
+       case MODE_BACKGROUND :
+           if (Argc == 1)
+               usage(1);
     }
 
     /*
@@ -202,7 +205,7 @@ main(argc, argv)
        exit(1);
     }
 
-    if (sudo_mode == MODE_RUN) {
+    if (sudo_mode == MODE_RUN || sudo_mode == MODE_BACKGROUND) {
        load_cmnd();            /* load the cmnd global variable */
     } else if (sudo_mode == MODE_KILL) {
        remove_timestamp();     /* remove the timestamp ticket file */
@@ -229,7 +232,10 @@ main(argc, argv)
                exit(0);
            set_perms(PERM_FULL_ROOT);
 #ifndef GPROF
-           EXEC(cmnd, &Argv[1]);
+           if (sudo_mode == MODE_BACKGROUND && fork() > 0)
+               exit(0);
+           else
+               EXEC(cmnd, &Argv[1]);
 #else
            exit(0);
 #endif /* GPROF */
@@ -363,13 +369,14 @@ static void load_globals()
 static int parse_args()
 {
     int ret=MODE_RUN;                  /* what mode is suod to be run in? */
+    int i;
 
     if (Argc < 2)                      /* no options and no command */
        usage(1);
 
     if (Argv[1][0] == '-') {
-       if (Argc > 2)                   /* only one -? option allowed */
-           usage(1);
+       if (Argc > 2 && Argv[2][0] == '-')
+           usage(1);                   /* only one -? option allowed */
 
        if (Argv[1][1] != '\0' && Argv[1][2] != '\0') {
            (void) fprintf(stderr, "%s: Please use single character options\n", Argv[0]);
@@ -377,6 +384,14 @@ static int parse_args()
        }
 
        switch (Argv[1][1]) {
+           case 'b':
+               ret = MODE_BACKGROUND;
+               /* shift Argv over and adjust Argc */
+               for (i=1; i < Argc; i++) {
+                   Argv[i] = Argv[i+1];
+               }
+               Argc--;
+               break;
            case 'v':
                ret = MODE_VALIDATE;
                break;
@@ -418,7 +433,7 @@ static int parse_args()
 static void usage(exit_val)
     int exit_val;
 {
-    (void) fprintf(stderr, "usage: %s -V | -h | -l | -v | -k | <command>\n", Argv[0]);
+    (void) fprintf(stderr, "usage: %s -V | -h | -l | -b | -v | -k | <command>\n", Argv[0]);
     exit(exit_val);
 }