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authorEric Andersen1999-10-20 07:03:36 +0000
committerEric Andersen1999-10-20 07:03:36 +0000
commitce8f3b99339fb954204329971ed25efc950fed26 (patch)
tree1f7509e6b8604061a688adb4d8299c3a4b79bdc9 /chmod_chown_chgrp.c
parentb9b421c186cf6a9e575770a1c5fb46b6bdd3424a (diff)
downloadbusybox-ce8f3b99339fb954204329971ed25efc950fed26.zip
busybox-ce8f3b99339fb954204329971ed25efc950fed26.tar.gz
Fixed chmod and friends.
Diffstat (limited to 'chmod_chown_chgrp.c')
-rw-r--r--chmod_chown_chgrp.c265
1 files changed, 77 insertions, 188 deletions
diff --git a/chmod_chown_chgrp.c b/chmod_chown_chgrp.c
index e760500..faebbbe 100644
--- a/chmod_chown_chgrp.c
+++ b/chmod_chown_chgrp.c
@@ -25,8 +25,8 @@
#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;
@@ -48,18 +48,70 @@ static const char chmod_usage[] = "[-R] MODE[,MODE]... FILE...\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);
+}
+
+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), 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))
+ if (chmod(fileName, mode) == 0)
return( TRUE);
+ break;
}
perror(fileName);
return( FALSE);
@@ -67,8 +119,6 @@ static int fileAction(const char *fileName, struct stat* statbuf)
int chmod_chown_chgrp_main(int argc, char **argv)
{
- struct group *grp;
- struct passwd *pwd;
int recursiveFlag=FALSE;
char *groupName;
@@ -104,31 +154,33 @@ int chmod_chown_chgrp_main(int argc, char **argv)
fprintf(stderr, "%s: Unknown mode: %s\n", invocationName, *argv);
exit( FALSE);
}
- //mode &= andWithMode;
- fprintf(stderr, "mode %d\n", mode);
} else {
/* Find the selected group */
- groupName = strchr(*argv, '.');
- if ( whichApp==TRUE && groupName )
- *groupName++ = '\0';
- else
+ if ( whichApp==CHGRP_APP && groupName ) {
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;
}
}
@@ -142,173 +194,10 @@ int chmod_chown_chgrp_main(int argc, char **argv)
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;
+bad_group:
+ fprintf(stderr, "%s: Unknown group name: %s\n", invocationName, groupName);
+ exit( FALSE);
}
-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);
-}
-
-
-
-#endif