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chown test

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This commit is contained in:
Your Name 2023-10-28 09:11:02 +03:00
parent daefcd94fc
commit 2e5aeeb9c1
1 changed files with 44 additions and 7 deletions
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51
coreutils/chown.c
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@ -1,5 +1,3 @@
//TODO
#include <pwd.h>
#include <grp.h>
#include <stdio.h>
@ -9,18 +7,51 @@
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
unsigned int r_flag;
int (*chown_func)(const char *pathname, uid_t owner, gid_t group);
int (*stat_func)(const char *restrict pathname, struct stat *restrict statbuf);
long gid;
long uid;
int cntree(const char *dst) {
if (chown_func(dst, uid, gid) == 0)
puts("changed");
int get_stat(const char *path, struct stat *stat_path) {
if (stat_func(path, stat_path)) {
fprintf(stderr, "chown: unable to stat %s: %s\n", path, strerror(errno));
return 1;
}
return 0;
}
int change(const char *file) {
struct stat old_file;
if (get_stat(file, &old_file))
return 1;
if (chown_func(file, uid, gid) == 0) {
struct stat new_file;
if (get_stat(file, &new_file))
return 1;
if (old_file.st_gid != new_file.st_gid || old_file.st_uid != new_file.st_uid)
return 0;
fprintf(stderr, "chown: %s unchanged\n", file);
}
else
fprintf(stderr, "chown: unable to stat %s: %s\n", file, strerror(errno));
return 1;
}
int cntree(const char *dst) {
change(dst);
//Recurs
return 0;
}
void get_owner(const char *arg) {
char *group = strchr(arg, ':');
@ -58,17 +89,23 @@ void get_owner(const char *arg) {
int main(const int argc, char **argv) {
chown_func = lchown;
stat_func = stat;
int i;
for (i = 1; i < argc; i++) {
if (argv[i][0] != '-')
break;
else if (!strcmp(argv[i], "-H"))
else if (!strcmp(argv[i], "-r"))
r_flag = 1;
else if (!strcmp(argv[i], "-H")) {
chown_func = chown;
stat_func = stat;
}
else if (!strcmp(argv[i], "--help")) {
printf("chown [-H (if a command line argument is a symbolic link)] [owner]:[group] [file file2...]\n");
printf("chown [-H (if a command line argument is a symbolic link)] [-r (recursive)] [owner]:[group] [file file2...]\n");
return 0;
}
}