perm_parser
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973057bef1
commit
81d1c15e59
@ -11,13 +11,13 @@
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int (*get_stat)(const char *prog_name, const char *path, struct stat *stat_path);
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int (*get_stat)(const char *prog_name, const char *path, struct stat *stat_path);
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unsigned int r_flag;
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unsigned int r_flag;
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unsigned int s_flag;
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unsigned int s_flag;
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mode_t mode;
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int change(const char *file) {
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int change(const char *file, const char *mode_arg) {
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struct stat old_file;
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struct stat old_file;
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if (get_stat("chmod", file, &old_file))
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if (get_stat("chmod", file, &old_file))
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return 1;
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return 1;
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mode_t mode = mu_parse_mode(mode_arg, old_file.st_mode);
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if (chmod(file, mode) == 0) {
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if (chmod(file, mode) == 0) {
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struct stat new_file;
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struct stat new_file;
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if (get_stat("chmod", file, &new_file))
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if (get_stat("chmod", file, &new_file))
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@ -38,8 +38,8 @@ int change(const char *file) {
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return 0;
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return 0;
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}
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}
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int chtree(const char *dst) {
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int chtree(const char *dst, const char *mode_arg) {
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int ret = change(dst);
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int ret = change(dst, mode_arg);
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struct stat stat_path;
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struct stat stat_path;
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if (get_stat("chmod", dst, &stat_path))
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if (get_stat("chmod", dst, &stat_path))
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@ -64,7 +64,7 @@ int chtree(const char *dst) {
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if (full_path == NULL)
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if (full_path == NULL)
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continue;
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continue;
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if (chtree(full_path))
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if (chtree(full_path, mode_arg))
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ret = 1;
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ret = 1;
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free(full_path);
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free(full_path);
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@ -105,13 +105,13 @@ int main(int argc, char **argv) {
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return 1;
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return 1;
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}
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}
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mode = mu_parse_mode(argv[i]);
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char *mode_arg = argv[i];
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argv++;
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argv++;
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argc--;
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argc--;
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int ret = 0;
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int ret = 0;
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for (; i < argc; i++)
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for (; i < argc; i++)
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if (chtree(argv[i]))
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if (chtree(argv[i], mode_arg))
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ret = 1;
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ret = 1;
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return ret;
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return ret;
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@ -35,7 +35,7 @@ int main(const int argc, const char **argv) {
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break;
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break;
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else if (!strncmp("-m=", argv[i], 3))
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else if (!strncmp("-m=", argv[i], 3))
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mode = mu_parse_mode(argv[i] + 3);
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mode = mu_parse_mode(argv[i] + 3, 0);
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}
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}
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long major = 0;
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long major = 0;
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@ -71,7 +71,7 @@ int main(const int argc, const char **argv) {
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else {
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else {
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printf("mknod [-m=mode] [NAME] [TYPE] [MAJOR MINOR]\n");
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printf("mknod [-m=mode] [NAME] [TYPE] [MAJOR MINOR]\n");
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printf("Types:\n b - block device\n c or u - character device\n p - fifo (MAJOR MINOR must be omitted)\n s - socket\n");
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printf("Types:\n b - block device\n c or u - character device\n p - named pipe/fifo (MAJOR MINOR must be omitted)\n s - socket\n");
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return 0;
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return 0;
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}
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}
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@ -13,7 +13,7 @@
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#define RD_PERM (4)
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#define RD_PERM (4)
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#define FULL_PERM (7)
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#define FULL_PERM (7)
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mode_t mu_parse_mode(const char *s) {
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mode_t mu_parse_mode(const char *s, mode_t cur_mode) {
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char *p = NULL;
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char *p = NULL;
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mode_t mode = (mode_t)strtol(s, &p, 8);
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mode_t mode = (mode_t)strtol(s, &p, 8);
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@ -73,12 +73,11 @@ mode_t mu_parse_mode(const char *s) {
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if (mask == 0)
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if (mask == 0)
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mask = U(FULL_PERM);
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mask = U(FULL_PERM);
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if (append)
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mask = mask & mode;
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return mask & mode;
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if (!append)
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mode = ~mode;
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mode_t test = mask & mode;
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return (cur_mode & ~mask) | (mode & mask);
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printf("test: %d\n", test);
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return test;
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}
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}
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#endif
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#endif
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