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-rw-r--r--chmod_chown_chgrp.c238
1 files changed, 128 insertions, 110 deletions
diff --git a/chmod_chown_chgrp.c b/chmod_chown_chgrp.c
index b4c5da936..d5e67b599 100644
--- a/chmod_chown_chgrp.c
+++ b/chmod_chown_chgrp.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* Mini chown/chmod/chgrp implementation for busybox
*
@@ -34,8 +35,8 @@
static uid_t uid = -1;
static gid_t gid = -1;
static int whichApp;
-static char* invocationName=NULL;
-static char* theMode=NULL;
+static char *invocationName = NULL;
+static char *theMode = NULL;
#define CHGRP_APP 1
@@ -43,130 +44,147 @@ static char* theMode=NULL;
#define CHMOD_APP 3
static const char chgrp_usage[] = "chgrp [OPTION]... GROUP FILE...\n\n"
- "Change the group membership of each FILE to GROUP.\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"
- "\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"
- "\nOptions:\n\t-R\tchange files and directories recursively.\n";
-
-
-static int fileAction(const char *fileName, struct stat* statbuf)
+ "Change the group membership of each FILE to GROUP.\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"
+
+ "\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"
+ "\nOptions:\n\t-R\tchange files and directories recursively.\n";
+
+
+static int fileAction(const char *fileName, struct stat *statbuf)
{
- switch (whichApp) {
+ switch (whichApp) {
case CHGRP_APP:
case CHOWN_APP:
#if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
- if (lchown(fileName, (whichApp==CHOWN_APP)? uid : statbuf->st_uid,
- (gid==-1)? statbuf->st_gid : gid) == 0)
+ if (lchown
+ (fileName, (whichApp == CHOWN_APP) ? uid : statbuf->st_uid,
+ (gid == -1) ? statbuf->st_gid : gid) == 0)
#else
- if (chown(fileName, (whichApp==CHOWN_APP)? uid : statbuf->st_uid,
- (gid==-1)? statbuf->st_gid : gid) == 0)
+ if (chown
+ (fileName, (whichApp == CHOWN_APP) ? uid : statbuf->st_uid,
+ (gid == -1) ? statbuf->st_gid : gid) == 0)
#endif
- {
- return( TRUE);
- }
- break;
+ {
+ return (TRUE);
+ }
+ break;
case CHMOD_APP:
- /* 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);
+ /* 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)
{
- int recursiveFlag=FALSE;
- char *groupName;
- char *p;
- const char *appUsage;
-
- whichApp = (strcmp(*argv, "chown")==0)? CHOWN_APP : (strcmp(*argv, "chmod")==0)? CHMOD_APP : CHGRP_APP;
-
- appUsage = (whichApp==CHOWN_APP)? chown_usage : (whichApp==CHMOD_APP)? chmod_usage : chgrp_usage;
-
- if (argc < 2)
- usage( appUsage);
- invocationName = *argv;
- argc--;
- argv++;
-
- /* Parse options */
- while (**argv == '-') {
- while (*++(*argv)) switch (**argv) {
- case 'R':
- recursiveFlag = TRUE;
- break;
- default:
- fprintf(stderr, invalid_option, invocationName, **argv);
- usage( appUsage);
- }
+ int recursiveFlag = FALSE;
+ char *groupName;
+ char *p;
+ const char *appUsage;
+
+ whichApp =
+ (strcmp(*argv, "chown") ==
+ 0) ? CHOWN_APP : (strcmp(*argv,
+ "chmod") == 0) ? CHMOD_APP : CHGRP_APP;
+
+ appUsage =
+ (whichApp == CHOWN_APP) ? chown_usage : (whichApp ==
+ CHMOD_APP) ? chmod_usage :
+ chgrp_usage;
+
+ if (argc < 2)
+ usage(appUsage);
+ invocationName = *argv;
argc--;
argv++;
- }
-
- if ( whichApp == CHMOD_APP ) {
- theMode = *argv;
- } else {
-
- /* Find the selected group */
- if ( whichApp==CHGRP_APP ) {
- groupName = *argv;
- gid = strtoul(groupName, &p, 10); /* maybe it's already numeric */
- if (groupName == p)
- gid = my_getgrnam(groupName);
- if (gid == -1)
- goto bad_group;
- } else {
- groupName = strchr(*argv, '.');
- if (groupName) {
- *groupName++ = '\0';
- gid = strtoul(groupName, &p, 10);
- if (groupName == p)
- gid = my_getgrnam(groupName);
- if (gid == -1)
- goto bad_group;
- } else
- gid = -1;
+
+ /* Parse options */
+ while (**argv == '-') {
+ while (*++(*argv))
+ switch (**argv) {
+ case 'R':
+ recursiveFlag = TRUE;
+ break;
+ default:
+ fprintf(stderr, invalid_option, invocationName, **argv);
+ usage(appUsage);
+ }
+ argc--;
+ argv++;
}
+ if (whichApp == CHMOD_APP) {
+ theMode = *argv;
+ } else {
- /* Find the selected user (if appropriate) */
- if (whichApp==CHOWN_APP) {
- uid = strtoul(*argv, &p, 10); /* if numeric ...*/
- if (*argv == p)
- uid = my_getpwnam(*argv);
- if (uid == -1) {
- fprintf(stderr, "%s: unknown user name: %s\n", invocationName, *argv);
- exit( FALSE);
- }
+ /* Find the selected group */
+ if (whichApp == CHGRP_APP) {
+ groupName = *argv;
+ gid = strtoul(groupName, &p, 10); /* maybe it's already numeric */
+ if (groupName == p)
+ gid = my_getgrnam(groupName);
+ if (gid == -1)
+ goto bad_group;
+ } else {
+ groupName = strchr(*argv, '.');
+ if (groupName) {
+ *groupName++ = '\0';
+ gid = strtoul(groupName, &p, 10);
+ if (groupName == p)
+ gid = my_getgrnam(groupName);
+ if (gid == -1)
+ goto bad_group;
+ } else
+ gid = -1;
+ }
+
+
+ /* Find the selected user (if appropriate) */
+ if (whichApp == CHOWN_APP) {
+ uid = strtoul(*argv, &p, 10); /* if numeric ... */
+ if (*argv == p)
+ uid = my_getpwnam(*argv);
+ if (uid == -1) {
+ fprintf(stderr, "%s: unknown user name: %s\n",
+ invocationName, *argv);
+ exit(FALSE);
+ }
+ }
}
- }
-
- /* Ok, ready to do the deed now */
- if (argc <= 1) {
- fprintf(stderr, "%s: too few arguments\n", invocationName);
- exit( FALSE);
- }
- while (argc-- > 1) {
- 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);
-}
+ /* Ok, ready to do the deed now */
+ if (argc <= 1) {
+ fprintf(stderr, "%s: too few arguments\n", invocationName);
+ exit(FALSE);
+ }
+ while (argc-- > 1) {
+ 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);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 12:29:39 +0000