/*
* Mini chown/chmod/chgrp implementation for busybox
*
- * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
+ *
+ * Copyright (C) 1999 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
* it under the terms of the GNU General Public License as published by
static gid_t gid=-1;
static int whichApp;
static char* invocationName=NULL;
-static mode_t mode=0644;
+static char* theMode=NULL;
#define CHGRP_APP 1
#define CHOWN_APP 2
#define CHMOD_APP 3
-static const char chgrp_usage[] = "[OPTION]... GROUP FILE...\n"
+static const char chgrp_usage[] = "chgrp [OPTION]... GROUP FILE...\n\n"
"Change the group membership of each FILE to GROUP.\n"
- "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
-static const char chown_usage[] = "[OPTION]... OWNER[.[GROUP] FILE...\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"
- "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
-static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\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"
- "\t-R\tchange files and directories recursively.\n";
-
-
-uid_t my_getid(const char *filename, const char *name)
-{
- FILE *stream;
- char *rname, *start, *end, buf[128];
- uid_t rid;
-
- stream=fopen(filename,"r");
-
- while (fgets (buf, 128, stream) != NULL) {
- if (buf[0] == '#')
- continue;
-
- start = buf;
- end = strchr (start, ':');
- if (end == NULL)
- continue;
- *end = '\0';
- rname = start;
-
- start = end + 1;
- end = strchr (start, ':');
- if (end == NULL)
- continue;
-
- start = end + 1;
- rid = (uid_t) strtol (start, &end, 10);
- if (end == start)
- continue;
-
- if (name) {
- if (0 == strcmp(rname, name))
- return( rid);
- }
- }
- fclose(stream);
- return (-1);
-}
+ "\nOptions:\n\t-R\tchange files and directories recursively.\n";
-uid_t
-my_getpwnam(char *name)
-{
- return my_getid("/etc/passwd", name);
-}
-
-gid_t
-my_getgrnam(char *name)
-{
- return my_getid("/etc/group", name);
-}
static int fileAction(const char *fileName, struct stat* statbuf)
{
switch (whichApp) {
case CHGRP_APP:
case CHOWN_APP:
- if (chown(fileName, (whichApp==CHOWN_APP)? uid : statbuf->st_uid,
+ if (lchown(fileName, (whichApp==CHOWN_APP)? uid : statbuf->st_uid,
(gid==-1)? statbuf->st_gid : gid) == 0) {
return( TRUE);
}
break;
case CHMOD_APP:
- if (chmod(fileName, mode) == 0)
+ /* Parse the specified modes */
+ if ( parse_mode(theMode, &(statbuf->st_mode)) == FALSE ) {
+ fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, theMode);
+ exit( FALSE);
+ }
+ if (chmod(fileName, statbuf->st_mode) == 0)
return( TRUE);
break;
}
{
int recursiveFlag=FALSE;
char *groupName;
+ const char *appUsage;
whichApp = (strcmp(*argv, "chown")==0)? CHOWN_APP : (strcmp(*argv, "chmod")==0)? CHMOD_APP : CHGRP_APP;
- if (argc < 2) {
- fprintf(stderr, "Usage: %s %s", *argv,
- (whichApp==TRUE)? chown_usage : chgrp_usage);
- exit( FALSE);
- }
+ appUsage = (whichApp==CHOWN_APP)? chown_usage : (whichApp==CHMOD_APP)? chmod_usage : chgrp_usage;
+
+ if (argc < 2)
+ usage( appUsage);
invocationName=*argv;
argc--;
argv++;
break;
default:
fprintf(stderr, "Unknown option: %c\n", **argv);
- exit( FALSE);
+ usage( appUsage);
}
argc--;
argv++;
}
if ( whichApp == CHMOD_APP ) {
- /* Find the specified modes */
- mode &= S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
- if ( parse_mode(*argv, &mode) == FALSE ) {
- fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv);
- exit( FALSE);
- }
+ theMode=*argv;
} else {
/* Find the selected group */
- if ( whichApp==CHGRP_APP && groupName ) {
+ if ( whichApp==CHGRP_APP ) {
groupName = *argv;
gid = my_getgrnam(groupName);
if (gid == -1)