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authorGravatar Angelo Compagnucci <angelo.compagnucci@gmail.com>2015-04-11 15:40:31 +0200
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2015-04-11 18:02:40 +0200
commit410f9b60137820143caf51a2a37da6f8fa16679f (patch)
treeb8c36c2e55bd2e650f805b0bce93be03b57b0c86 /package/makedevs
parent5e9766ed67fbf703eddf8dcb0192dff2a6629127 (diff)
downloadbuildroot-410f9b60137820143caf51a2a37da6f8fa16679f.tar.gz
buildroot-410f9b60137820143caf51a2a37da6f8fa16679f.tar.bz2
package/makedevs: add recursive option
This patch adds the option to change owner/permission of a directory recursively. [Thomas: s/folder/directory/, as suggested by Yann.] Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com> Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'package/makedevs')
-rw-r--r--package/makedevs/makedevs.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/package/makedevs/makedevs.c b/package/makedevs/makedevs.c
index ab90b93b19..ee0f9fb0bf 100644
--- a/package/makedevs/makedevs.c
+++ b/package/makedevs/makedevs.c
@@ -34,8 +34,12 @@
#ifndef __APPLE__
#include <sys/sysmacros.h> /* major() and minor() */
#endif
+#include <ftw.h>
const char *bb_applet_name;
+uid_t recursive_uid;
+gid_t recursive_gid;
+unsigned int recursive_mode;
void bb_verror_msg(const char *s, va_list p)
{
@@ -332,6 +336,7 @@ void bb_show_usage(void)
fprintf(stderr, "Where name is the file name, type can be one of:\n");
fprintf(stderr, " f A regular file\n");
fprintf(stderr, " d Directory\n");
+ fprintf(stderr, " r Directory recursively\n");
fprintf(stderr, " c Character special device file\n");
fprintf(stderr, " b Block special device file\n");
fprintf(stderr, " p Fifo (named pipe)\n");
@@ -364,6 +369,23 @@ void bb_show_usage(void)
exit(1);
}
+bb_recursive(const char *fpath, const struct stat *sb,
+ int tflag, struct FTW *ftwbuf){
+
+ if (chown(fpath, recursive_uid, recursive_gid) == -1) {
+ bb_perror_msg("chown failed for %s", fpath);
+ return -1;
+ }
+ if (recursive_mode != -1) {
+ if (chmod(fpath, recursive_mode) < 0) {
+ bb_perror_msg("chmod failed for %s", fpath);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
int main(int argc, char **argv)
{
int opt;
@@ -474,6 +496,15 @@ int main(int argc, char **argv)
ret = EXIT_FAILURE;
goto loop;
}
+ } else if (type == 'r') {
+ recursive_uid = uid;
+ recursive_gid = gid;
+ recursive_mode = mode;
+ if (nftw(full_name, bb_recursive, 20, FTW_MOUNT | FTW_PHYS) < 0) {
+ bb_perror_msg("line %d: recursive failed for %s", linenum, full_name);
+ ret = EXIT_FAILURE;
+ goto loop;
+ }
} else
{
dev_t rdev;