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pkg2sqfs: Add command line options for default inode settings 

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
This commit is contained in:
David Oberhollenzer 2019-04-17 10:45:19 +02:00
parent db25ddc108
commit 025ab1007b
1 changed files with 45 additions and 19 deletions
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64
sqfs/pkg2sqfs.c
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@ -4,12 +4,15 @@
static struct option long_opts[] = {
{ "block-size", required_argument, NULL, 'b' },
{ "dev-block-size", required_argument, NULL, 'B' },
{ "default-uid", required_argument, NULL, 'u' },
{ "default-gid", required_argument, NULL, 'g' },
{ "default-mode", required_argument, NULL, 'm' },
{ "force", no_argument, NULL, 'f' },
{ "version", no_argument, NULL, 'V' },
{ "help", no_argument, NULL, 'h' },
};
static const char *short_opts = "b:B:fhV";
static const char *short_opts = "b:B:u:g:m:fhV";
extern char *__progname;
@ -33,6 +36,12 @@ static const char *help_string =
" Defaults to %u.\n"
" --dev-block-size, -B <size> Device block size to padd the image to.\n"
" Defaults to %u.\n"
" --default-uid, -u <valie> Default user ID for implicitly created\n"
" directories (defaults to 0)."
" --default-gid, -g <value> Default group ID for implicitly created\n"
" directories (defaults to 0)."
" --default-mode, -m <value> Default permissions for implicitly created\n"
" directories (defaults to 0755)."
" --force, -f Overwrite the output file if it exists.\n"
" --help, -h Print help text and exit.\n"
" --version, -V Print version information and exit.\n"
@ -76,16 +85,33 @@ static void print_tree(int level, node_t *n)
}
}
static long read_number(const char *name, const char *str, long min, long max)
{
const char *errstr;
long result;
result = strtonum(str, min, max, &errstr);
if (errstr != NULL) {
fprintf(stderr, "%s '%s': %s\n", name, str, errstr);
exit(EXIT_FAILURE);
}
return result;
}
int main(int argc, char **argv)
{
uint32_t blocksize = SQFS_DEFAULT_BLOCK_SIZE, timestamp = 0;
int i, outmode = O_WRONLY | O_CREAT | O_EXCL;
const char *infile, *outfile, *errstr;
const char *infile, *outfile;
int status = EXIT_FAILURE;
sqfs_info_t info;
memset(&info, 0, sizeof(info));
info.dev_blk_size = SQFS_DEVBLK_SIZE;
info.fs.default_uid = 0;
info.fs.default_gid = 0;
info.fs.default_mode = 0755;
for (;;) {
i = getopt_long(argc, argv, short_opts, long_opts, NULL);
@ -94,21 +120,25 @@ int main(int argc, char **argv)
switch (i) {
case 'b':
blocksize = strtonum(optarg, 1024, 0xFFFFFFFF, &errstr);
if (errstr != NULL) {
fprintf(stderr, "Block size '%s': %s\n",
optarg, errstr);
return EXIT_FAILURE;
}
blocksize = read_number("Block size", optarg,
1024, 0xFFFFFFFF);
break;
case 'B':
info.dev_blk_size = strtonum(optarg, 4096, 0xFFFFFFFF,
&errstr);
if (errstr != NULL) {
fprintf(stderr, "Block size '%s': %s\n",
optarg, errstr);
return EXIT_FAILURE;
}
info.dev_blk_size = read_number("Device block size",
optarg, 4096,
0xFFFFFFFF);
break;
case 'u':
info.fs.default_uid = read_number("User ID", optarg,
0, 0xFFFFFFFF);
break;
case 'g':
info.fs.default_gid = read_number("Group ID", optarg,
0, 0xFFFFFFFF);
break;
case 'm':
info.fs.default_mode = read_number("Permissions",
optarg, 0, 0777);
break;
case 'f':
outmode = O_WRONLY | O_CREAT | O_TRUNC;
@ -156,10 +186,6 @@ int main(int argc, char **argv)
info.scratch = (char *)info.block + info.super.block_size;
info.fragment = (char *)info.block + 2 * info.super.block_size;
info.fs.default_uid = 0;
info.fs.default_gid = 0;
info.fs.default_mode = 0755;
if (create_vfs_tree(&info))
goto out_buffer;