/*
* 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 (chown(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;
+ 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);
- }
- //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);
}
exit(TRUE);
-}
-
-
-
-
-
-
-
-
-
-
-
-
-#ifdef fooo
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#include "internal.h"
-#include <pwd.h>
-#include <grp.h>
-#include <string.h>
-#include <stdio.h>
-
-int my_getid(const char *filename, const char *name, uid_t *id)
-{
- FILE *stream;
- uid_t rid;
- char *rname, *start, *end, buf[128];
-
- 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)) {
- *id=rid;
- return 0;
- }
- } else {
- if ( *id == rid )
- return 0;
- }
- }
- fclose(stream);
- return -1;
-}
-
-int
-my_getpwuid(uid_t *uid)
-{
- return my_getid("/etc/passwd", NULL, uid);
-}
-
-int
-my_getpwnam(char *name, uid_t *uid)
-{
- return my_getid("/etc/passwd", name, uid);
-}
-
-int
-my_getgrgid(gid_t *gid)
-{
- return my_getid("/etc/group", NULL, gid);
-}
-
-int
-my_getgrnam(char *name, gid_t *gid)
-{
- return my_getid("/etc/group", name, gid);
-}
-
-const char chown_usage[] = "chown [-R] user-name file [file ...]\n"
-"\n\tThe group list is kept in the file /etc/groups.\n\n"
-"\t-R:\tRecursively change the mode of all files and directories\n"
-"\t\tunder the argument directory.";
-
-int
-parse_user_name(const char * s, struct FileInfo * i)
-{
- char * dot = strchr(s, '.');
- char * end = NULL;
- uid_t id = 0;
-
- if (! dot )
- dot = strchr(s, ':');
-
- if ( dot )
- *dot = '\0';
-
- if ( my_getpwnam(s,&id) == -1 ) {
- id = strtol(s,&end,10);
- if ((*end != '\0') || ( my_getpwuid(&id) == -1 )) {
- fprintf(stderr, "%s: no such user.\n", s);
- return 1;
- }
- }
- i->userID = id;
-
- if ( dot ) {
- if ( my_getgrnam(++dot,&id) == -1 ) {
- id = strtol(dot,&end,10);
- if ((*end != '\0') || ( my_getgrgid(&id) == -1 )) {
- fprintf(stderr, "%s: no such group.\n", dot);
- return 1;
- }
- }
- i->groupID = id;
- i->changeGroupID = 1;
- }
- return 0;
-}
-extern int
-chown_main(struct FileInfo * i, int argc, char * * argv)
-{
- int status;
-
- while ( argc >= 3 && strcmp("-R", argv[1]) == 0 ) {
- i->recursive = 1;
- argc--;
- argv++;
- }
-
- if ( (status = parse_user_name(argv[1], i)) != 0 )
- return status;
-
- argv++;
- argc--;
-
- i->changeUserID = 1;
- i->complainInPostProcess = 1;
-
- return monadic_main(i, argc, argv);
+bad_group:
+ fprintf(stderr, "%s: Unknown group name: %s\n", invocationName, groupName);
+ exit( FALSE);
}
-
-
-#endif
projects / oweals / busybox.git / blobdiff