104 lines
1.8 KiB
C
104 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <sys/stat.h>
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#include "mode_to_str.h"
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#include "make_path.h"
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#include "get_stat.h"
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#include "parse_mode.h"
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#include "recurse.h"
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char r_flag;
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char *f_flag = "chmod";
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char H_flag;
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char v_flag;
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int change(const char *file, void *p) {
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char *mode_arg = (char *)p;
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struct stat sb;
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if (mu_get_stats(f_flag, H_flag, file, &sb))
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return 1;
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mode_t mode = mu_parse_mode(mode_arg, sb.st_mode);
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if (chmod(file, mode) != 0) {
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if (f_flag)
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fprintf(stderr, "chmod: unable to chown %s: %s\n", file, strerror(errno));
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return 1;
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}
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if (v_flag)
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printf("chmod: %s: changed mode to %s\n", file, mu_mode_2_str(mode));
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return 0;
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}
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int main(int argc, char **argv) {
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/* Arg hacking */
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char *arg = NULL;
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for (int i = 1; i < argc; i++) {
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if (argv[i][0] != '-')
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break;
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else if (argv[i][1] == 'x' || argv[i][1] == 'r' || argv[i][1] == 'w') {
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argv[i][0] = 'a';
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arg = argv[i];
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break;
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}
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}
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int opt;
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while ((opt = getopt(argc, argv, "RfHv")) != -1) {
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switch (opt) {
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case 'R':
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r_flag = 1;
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break;
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case 'f':
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f_flag = NULL;
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break;
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case 'H':
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H_flag = 1;
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break;
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case 'v':
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v_flag = 1;
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break;
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default:
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printf("chmod [RfHv] [ugoa]{+|-}[rwxXst] / [0 - 777] [file1 file2...]\n\t-H Symbolic link\n\t-R Recursive\n\t-f Silent\n\t-v Verbose\n");
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return 0;
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}
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}
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argv += optind;
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argc -= optind;
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if (argc == 0) {
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fprintf(stderr, "chmod: missing operand\n");
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return 0;
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}
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/* Restore arg */
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if (arg)
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arg[0] = '-';
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int ret = 0;
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for (int i = 1; i < argc; i++) {
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if (r_flag) {
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if (mu_recurse(f_flag, H_flag, argv[i], argv[0], change, change))
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ret = 1;
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}
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else
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change(argv[i], argv[0]);
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}
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return ret;
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}
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