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84 lines
1.3 KiB
C
84 lines
1.3 KiB
C
/* See LICENSE file for copyright and license details. */
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#include <stdbool.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 <sys/stat.h>
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#include "util.h"
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static void chmodr(const char *);
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static bool rflag = false;
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static int oper = '=';
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static mode_t mode = 0;
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static void
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usage(void)
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{
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eprintf("usage: %s [-R] mode [file...]\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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int c;
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argv0 = argv[0];
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while (--argc > 0 && (*++argv)[0] == '-') {
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while ((c = *++argv[0])) {
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switch (c) {
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case 'R':
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rflag = true;
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break;
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case 'r': case 'w': case 'x': case 's': case 't':
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/*
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* -[rwxst] are valid modes so do not interpret
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* them as options - in any case we are done if
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* we hit this case
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*/
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--argv[0];
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goto done;
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default:
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usage();
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}
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}
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}
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done:
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parsemode(argv[0], &mode, &oper);
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argv++;
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argc--;
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if(argc < 1)
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usage();
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for (; argc > 0; argc--, argv++)
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chmodr(argv[0]);
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return EXIT_SUCCESS;
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}
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void
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chmodr(const char *path)
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{
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struct stat st;
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if(stat(path, &st) == -1)
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eprintf("stat %s:", path);
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switch(oper) {
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case '+':
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st.st_mode |= mode;
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break;
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case '-':
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st.st_mode &= ~mode;
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break;
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case '=':
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st.st_mode = mode;
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break;
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}
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if(chmod(path, st.st_mode) == -1)
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eprintf("chmod %s:", path);
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if(rflag)
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recurse(path, chmodr);
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}
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