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-rw-r--r--coreutils/chown.c104
1 files changed, 55 insertions, 49 deletions
diff --git a/coreutils/chown.c b/coreutils/chown.c
index 4e766a9..3e983cf 100644
--- a/coreutils/chown.c
+++ b/coreutils/chown.c
@@ -21,10 +21,14 @@
*
*/
-#include <stdio.h>
+/* BB_AUDIT SUSv3 defects - unsupported options -h, -H, -L, and -P. */
+/* BB_AUDIT GNU defects - unsupported options -h, -c, -f, -v, and long options. */
+/* BB_AUDIT Note: gnu chown does not support -H, -L, or -P. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chown.html */
+
#include <stdlib.h>
-#include <string.h>
#include <unistd.h>
+#include <string.h>
#include "busybox.h"
/* Don't use lchown for libc5 or glibc older then 2.1.x */
@@ -42,65 +46,67 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
return (TRUE);
}
- perror(fileName);
+ bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
return (FALSE);
}
+#define FLAG_R 1
+#define FLAG_h 2
+
+static unsigned long get_ug_id(const char *s, long (*my_getxxnam)(const char *))
+{
+ unsigned long r;
+ char *p;
+
+ r = strtoul(s, &p, 10);
+ if (*p || (s == p)) {
+ r = my_getxxnam(s);
+ }
+
+ return r;
+}
+
int chown_main(int argc, char **argv)
{
- int opt;
- int recursiveFlag = FALSE,
- noderefFlag = FALSE;
- char *groupName=NULL;
- char *p=NULL;
-
- /* do normal option parsing */
- while ((opt = getopt(argc, argv, "Rh")) > 0) {
- switch (opt) {
- case 'R':
- recursiveFlag = TRUE;
- break;
- case 'h':
- noderefFlag = TRUE;
- break;
- default:
- show_usage();
- }
+ int flags;
+ int retval = EXIT_SUCCESS;
+ char *groupName;
+
+ flags = bb_getopt_ulflags(argc, argv, "Rh");
+
+ if (flags & FLAG_h) chown_func = lchown;
+
+ if (argc - optind < 2) {
+ bb_show_usage();
}
- if (noderefFlag) chown_func = lchown;
-
- if (argc > optind && argc > 2 && argv[optind]) {
- /* First, check if there is a group name here */
- groupName = strchr(argv[optind], '.');
- if (groupName == NULL)
- groupName = strchr(argv[optind], ':');
- if (groupName) {
- *groupName++ = '\0';
- gid = strtoul(groupName, &p, 10);
- if (groupName == p)
- gid = my_getgrnam(groupName);
- } else {
- gid = -1;
- }
- /* Now check for the username */
- uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
- if (argv[optind] == p) {
- uid = my_getpwnam(argv[optind]);
- }
- } else {
- error_msg_and_die(too_few_args);
+ argv += optind;
+
+ /* First, check if there is a group name here */
+ if ((groupName = strchr(*argv, '.')) == NULL) {
+ groupName = strchr(*argv, ':');
+ }
+
+ gid = -1;
+ if (groupName) {
+ *groupName++ = '\0';
+ gid = get_ug_id(groupName, my_getgrnam);
}
+ /* Now check for the username */
+ uid = get_ug_id(*argv, my_getpwnam);
+
+ ++argv;
+
/* Ok, ready to do the deed now */
- while (++optind < argc) {
- if (! recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
- fileAction, fileAction, NULL)) {
- return EXIT_FAILURE;
+ do {
+ if (! recursive_action (*argv, (flags & FLAG_R), FALSE, FALSE,
+ fileAction, fileAction, NULL)) {
+ retval = EXIT_FAILURE;
}
- }
- return EXIT_SUCCESS;
+ } while (*++argv);
+ return retval;
}
/*