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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <private/android_filesystem_config.h>
#define DO_DEBUG 1
#define ERROR(fmt,args...) \
do { \
fprintf(stderr, "%s:%d: ERROR: " fmt, \
__FILE__, __LINE__, ##args); \
} while (0)
#if DO_DEBUG
#define DEBUG(fmt,args...) \
do { fprintf(stderr, "DEBUG: " fmt, ##args); } while(0)
#else
#define DEBUG(x...) do {} while(0)
#endif
void
print_help(void)
{
fprintf(stderr, "fs_get_stats: retrieve the target file stats "
"for the specified file\n");
fprintf(stderr, "usage: fs_get_stats cur_perms is_dir filename\n");
fprintf(stderr, "\tcur_perms - The current permissions of "
"the file\n");
fprintf(stderr, "\tis_dir - Is filename is a dir, 1. Otherwise, 0.\n");
fprintf(stderr, "\tfilename - The filename to lookup\n");
fprintf(stderr, "\n");
}
int
main(int argc, const char *argv[])
{
char *endptr;
char is_dir = 0;
unsigned perms = 0;
unsigned uid = (unsigned)-1;
unsigned gid = (unsigned)-1;
if (argc < 4) {
ERROR("Invalid arguments\n");
print_help();
exit(-1);
}
perms = (unsigned)strtoul(argv[1], &endptr, 0);
if (!endptr || (endptr == argv[1]) || (*endptr != '\0')) {
ERROR("current permissions must be a number. Got '%s'.\n", argv[1]);
exit(-1);
}
if (!strcmp(argv[2], "1"))
is_dir = 1;
uint64_t capabilities;
fs_config(argv[3], is_dir, &uid, &gid, &perms, &capabilities);
fprintf(stdout, "%d %d 0%o\n", uid, gid, perms);
return 0;
}
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