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61 lines
1.3 KiB
C
61 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 mode_t mode = 0;
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int
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main(int argc, char *argv[])
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{
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char c, *end;
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int octal;
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while((c = getopt(argc, argv, "Rr")) != -1)
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switch(c) {
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case 'R':
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case 'r':
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rflag = true;
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break;
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default:
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exit(EXIT_FAILURE);
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}
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if(optind == argc)
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eprintf("usage: %s [-Rr] mode [file...]\n", argv[0]);
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octal = strtol(argv[optind++], &end, 8);
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if(*end != '\0')
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eprintf("%s: not an octal number\n", argv[optind-1]);
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/* posix doesn't specify modal bits */
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if(octal & 04000) mode |= S_ISUID;
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if(octal & 02000) mode |= S_ISGID;
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if(octal & 00400) mode |= S_IRUSR;
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if(octal & 00200) mode |= S_IWUSR;
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if(octal & 00100) mode |= S_IXUSR;
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if(octal & 00040) mode |= S_IRGRP;
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if(octal & 00020) mode |= S_IWGRP;
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if(octal & 00010) mode |= S_IXGRP;
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if(octal & 00004) mode |= S_IROTH;
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if(octal & 00002) mode |= S_IWOTH;
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if(octal & 00001) mode |= S_IXOTH;
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for(; optind < argc; optind++)
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chmodr(argv[optind]);
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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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if(chmod(path, 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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