/*
* 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
#include "internal.h"
-static int uid=-1;
-static int gid=0;
+static uid_t uid=-1;
+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";
-
+ "\nOptions:\n\t-R\tchange files and directories recursively.\n";
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), gid) < 0)
+ if (lchown(fileName, (whichApp==CHOWN_APP)? uid : statbuf->st_uid,
+ (gid==-1)? statbuf->st_gid : gid) == 0) {
return( TRUE);
+ }
+ break;
case CHMOD_APP:
- fprintf(stderr, "%s, %d\n", fileName, mode);
- if (chmod(fileName, mode))
+ /* 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;
}
perror(fileName);
return( FALSE);
int chmod_chown_chgrp_main(int argc, char **argv)
{
- struct group *grp;
- struct passwd *pwd;
int recursiveFlag=FALSE;
char *groupName;
- mode_t andWithMode= S_ISVTX|S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO;
+ 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 */
- if ( parse_mode(*argv, &mode) == FALSE ) {
- fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv);
- exit( FALSE);
- }
- //mode &= andWithMode;
- fprintf(stderr, "mode %d\n", mode);
+ theMode=*argv;
} else {
/* Find the selected group */
- groupName = strchr(*argv, '.');
- if ( whichApp==TRUE && groupName )
- *groupName++ = '\0';
- else
+ if ( whichApp==CHGRP_APP ) {
groupName = *argv;
- grp = getgrnam(groupName);
- if (grp == NULL) {
- fprintf(stderr, "%s: Unknown group name: %s\n", invocationName, groupName);
- exit( FALSE);
+ gid = my_getgrnam(groupName);
+ if (gid == -1)
+ goto bad_group;
+ } else {
+ groupName = strchr(*argv, '.');
+ if (groupName) {
+ *groupName++ = '\0';
+ gid = my_getgrnam(groupName);
+ if (gid == -1)
+ goto bad_group;
+ } else
+ gid = -1;
}
- gid = grp->gr_gid;
+
/* Find the selected user (if appropriate) */
- if (whichApp==TRUE) {
- pwd = getpwnam(*argv);
- if (pwd == NULL) {
+ if (whichApp==CHOWN_APP) {
+ uid = my_getpwnam(*argv);
+ if (uid == -1) {
fprintf(stderr, "%s: Unknown user name: %s\n", invocationName, *argv);
exit( FALSE);
}
- uid = pwd->pw_uid;
}
}
exit( FALSE);
}
while (argc-- > 1) {
- if (recursiveAction( *(++argv), recursiveFlag, TRUE, fileAction, fileAction)==FALSE)
+ if (recursiveAction( *(++argv), recursiveFlag, TRUE, FALSE, fileAction, fileAction)==FALSE)
exit( FALSE);
}
exit(TRUE);
+
+bad_group:
+ fprintf(stderr, "%s: Unknown group name: %s\n", invocationName, groupName);
+ exit( FALSE);
}
+
projects / oweals / busybox.git / blobdiff