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fileio: allow to read base64/hex data as strings

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There's really no reason to prohibit this, hence don't.
This commit is contained in:
Lennart Poettering 2020-07-17 12:57:00 +02:00
parent b93d3f6b81
commit c668aa8b35
1 changed files with 14 additions and 6 deletions
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20
src/basic/fileio.c
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@ -483,13 +483,12 @@ int read_full_stream_full(
assert(f);
assert(ret_contents);
assert(!FLAGS_SET(flags, READ_FULL_FILE_UNBASE64 | READ_FULL_FILE_UNHEX));
assert(!(flags & (READ_FULL_FILE_UNBASE64 | READ_FULL_FILE_UNHEX)) || ret_size);
n_next = LINE_MAX; /* Start size */
fd = fileno(f);
if (fd >= 0) { /* If the FILE* object is backed by an fd (as opposed to memory or such, see fmemopen(), let's
* optimize our buffering) */
if (fd >= 0) { /* If the FILE* object is backed by an fd (as opposed to memory or such, see fmemopen()), let's
* optimize our buffering */
if (fstat(fd, &st) < 0)
return -errno;
@ -559,12 +558,21 @@ int read_full_stream_full(
}
if (flags & (READ_FULL_FILE_UNBASE64 | READ_FULL_FILE_UNHEX)) {
_cleanup_free_ void *decoded = NULL;
size_t decoded_size;
buf[l++] = 0;
if (flags & READ_FULL_FILE_UNBASE64)
r = unbase64mem_full(buf, l, flags & READ_FULL_FILE_SECURE, (void **) ret_contents, ret_size);
r = unbase64mem_full(buf, l, flags & READ_FULL_FILE_SECURE, &decoded, &decoded_size);
else
r = unhexmem_full(buf, l, flags & READ_FULL_FILE_SECURE, (void **) ret_contents, ret_size);
goto finalize;
r = unhexmem_full(buf, l, flags & READ_FULL_FILE_SECURE, &decoded, &decoded_size);
if (r < 0)
goto finalize;
if (flags & READ_FULL_FILE_SECURE)
explicit_bzero_safe(buf, n);
free_and_replace(buf, decoded);
n = l = decoded_size;
}
if (!ret_size) {