Quick mod to enable option -a for ifconfig.

[oweals/busybox.git] / chmod_chown_chgrp.c

diff --git a/chmod_chown_chgrp.c b/chmod_chown_chgrp.c
index 4e5e9b08e294e94fbad6743c407493ad571d72bb..4fc986904fb5a82cdad9993702c65d1eb11c8baa 100644 (file)
--- a/chmod_chown_chgrp.c
+++ b/chmod_chown_chgrp.c
@@ -3,7 +3,7 @@
  * Mini chown/chmod/chgrp implementation for busybox
  *
  *
- * Copyright (C) 1999 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
  * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -22,20 +22,21 @@
  *
  */
 
-#include "internal.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "busybox.h"
 #define BB_DECLARE_EXTERN
 #define bb_need_invalid_option
+#define bb_need_too_few_args
 #include "messages.c"
 
-#include <stdio.h>
-#include <grp.h>
-#include <pwd.h>
 
 
-static uid_t uid = -1;
-static gid_t gid = -1;
+static long uid = -1;
+static long gid = -1;
 static int whichApp;
-static char *invocationName = NULL;
 static char *theMode = NULL;
 
 
@@ -43,24 +44,7 @@ static char *theMode = NULL;
 #define CHOWN_APP   2
 #define CHMOD_APP   3
 
-static const char chgrp_usage[] = "chgrp [OPTION]... GROUP FILE...\n\n"
-       "Change the group membership of each FILE to GROUP.\n"
-
-       "\nOptions:\n\t-R\tchange files and directories recursively\n";
-static const char chown_usage[] =
-       "chown [OPTION]...  OWNER[.[GROUP] FILE...\n\n"
-       "Change the owner and/or group of each FILE to OWNER and/or GROUP.\n"
-
-       "\nOptions:\n\t-R\tchange files and directories recursively\n";
-static const char chmod_usage[] =
-       "chmod [-R] MODE[,MODE]... FILE...\n\n"
-       "Each MODE is one or more of the letters ugoa, one of the symbols +-= and\n"
-
-       "one or more of the letters rwxst.\n\n"
-       "\nOptions:\n\t-R\tchange files and directories recursively.\n";
-
-
-static int fileAction(const char *fileName, struct stat *statbuf)
+static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
 {
        switch (whichApp) {
        case CHGRP_APP:
@@ -81,7 +65,7 @@ static int fileAction(const char *fileName, struct stat *statbuf)
        case CHMOD_APP:
                /* Parse the specified modes */
                if (parse_mode(theMode, &(statbuf->st_mode)) == FALSE) {
-                       fatalError( "%s: unknown mode: %s\n", invocationName, theMode);
+                       error_msg_and_die( "unknown mode: %s", theMode);
                }
                if (chmod(fileName, statbuf->st_mode) == 0)
                        return (TRUE);
@@ -93,43 +77,43 @@ static int fileAction(const char *fileName, struct stat *statbuf)
 
 int chmod_chown_chgrp_main(int argc, char **argv)
 {
+       int stopIt = FALSE;
        int recursiveFlag = FALSE;
-       char *groupName;
-       char *p;
-       const char *appUsage;
-
-       whichApp =
-               (strcmp(*argv, "chown") == 0)? 
-                       CHOWN_APP : (strcmp(*argv, "chmod") == 0)? 
-                               CHMOD_APP : CHGRP_APP;
+       char *groupName=NULL;
+       char *p=NULL;
 
-       appUsage =
-               (whichApp == CHOWN_APP)? 
-                       chown_usage : (whichApp == CHMOD_APP) ? chmod_usage : chgrp_usage;
+       whichApp = (applet_name[2]=='o')?           /* chown */
+               CHOWN_APP : (applet_name[2]=='m')?      /* chmod */
+               CHMOD_APP : CHGRP_APP;
 
        if (argc < 2)
-               usage(appUsage);
-       invocationName = *argv;
-       argc--;
+               show_usage();
        argv++;
 
        /* Parse options */
-       while (**argv == '-') {
-               while (*++(*argv))
+       while (--argc >= 0 && *argv && (**argv == '-')) {
+               while (stopIt==FALSE && *++(*argv)) {
                        switch (**argv) {
-                       case 'R':
-                               recursiveFlag = TRUE;
-                               break;
-                       default:
-                               fprintf(stderr, invalid_option, invocationName, **argv);
-                               usage(appUsage);
+                               case 'R':
+                                       recursiveFlag = TRUE;
+                                       break;
+                               default:
+                                       theMode=*argv-1;
+                                       stopIt = TRUE;
                        }
-               argc--;
+               }
+               if (stopIt==TRUE)
+                       break;
                argv++;
        }
 
+       if (argc == 0 || *argv == NULL) {
+               error_msg(too_few_args);
+       }
+
        if (whichApp == CHMOD_APP) {
-               theMode = *argv;
+               if (theMode==NULL)
+                       theMode = *argv;
        } else {
 
                /* Find the selected group */
@@ -138,17 +122,15 @@ int chmod_chown_chgrp_main(int argc, char **argv)
                        gid = strtoul(groupName, &p, 10);       /* maybe it's already numeric */
                        if (groupName == p)
                                gid = my_getgrnam(groupName);
-                       if (gid == -1)
-                               goto bad_group;
                } else {
                        groupName = strchr(*argv, '.');
+                       if (groupName == NULL)
+                               groupName = strchr(*argv, ':');
                        if (groupName) {
                                *groupName++ = '\0';
                                gid = strtoul(groupName, &p, 10);
                                if (groupName == p)
                                        gid = my_getgrnam(groupName);
-                               if (gid == -1)
-                                       goto bad_group;
                        } else
                                gid = -1;
                }
@@ -159,27 +141,20 @@ int chmod_chown_chgrp_main(int argc, char **argv)
                        uid = strtoul(*argv, &p, 10);   /* if numeric ... */
                        if (*argv == p)
                                uid = my_getpwnam(*argv);
-                       if (uid == -1) {
-                               fatalError( "%s: unknown user name: %s\n", 
-                                               invocationName, *argv);
-                       }
                }
        }
 
        /* Ok, ready to do the deed now */
-       if (argc <= 1) {
-               fatalError( "%s: too few arguments\n", invocationName);
+       if (argc < 1) {
+               error_msg_and_die(too_few_args);
        }
        while (argc-- > 1) {
-               if (recursiveAction
-                       (*(++argv), recursiveFlag, TRUE, FALSE, fileAction,
-                        fileAction) == FALSE)
-                       exit(FALSE);
+               if (recursive_action (*(++argv), recursiveFlag, FALSE, FALSE, 
+                                       fileAction, fileAction, NULL) == FALSE)
+                       return EXIT_FAILURE;
        }
-       exit(TRUE);
+       return EXIT_SUCCESS;
 
-  bad_group:
-       fatalError( "%s: unknown group name: %s\n", invocationName, groupName);
 }
 
 /*