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https://github.com/morgan9e/systemd
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93a1f7921a
Now that the necessary functions from log.h have been moved to macro.h, we can stop including log.h in macro.h. This requires modifying source files all over the tree to include log.h instead.
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include "cryptsetup-keyfile.h"
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#include "fileio.h"
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#include "log.h"
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#include "path-util.h"
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#include "strv.h"
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int find_key_file(const char *key_file, char **search_path, const char *bindname, struct iovec *ret_key) {
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int r;
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assert(key_file);
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assert(ret_key);
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if (strv_isempty(search_path) || path_is_absolute(key_file)) {
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r = read_full_file_full(
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AT_FDCWD, key_file, UINT64_MAX, SIZE_MAX,
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READ_FULL_FILE_SECURE|READ_FULL_FILE_WARN_WORLD_READABLE|READ_FULL_FILE_CONNECT_SOCKET,
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bindname,
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(char**) &ret_key->iov_base, &ret_key->iov_len);
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if (r == -E2BIG)
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return log_error_errno(r, "Key file '%s' too large.", key_file);
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if (r < 0)
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return log_error_errno(r, "Failed to load key file '%s': %m", key_file);
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return 1;
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}
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STRV_FOREACH(i, search_path) {
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_cleanup_free_ char *joined = NULL;
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joined = path_join(*i, key_file);
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if (!joined)
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return log_oom();
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r = read_full_file_full(
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AT_FDCWD, joined, UINT64_MAX, SIZE_MAX,
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READ_FULL_FILE_SECURE|READ_FULL_FILE_WARN_WORLD_READABLE|READ_FULL_FILE_CONNECT_SOCKET,
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bindname,
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(char**) &ret_key->iov_base, &ret_key->iov_len);
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if (r >= 0)
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return 1;
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if (r == -E2BIG) {
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log_warning_errno(r, "Key file '%s' too large, ignoring.", key_file);
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continue;
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}
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if (r != -ENOENT)
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return log_error_errno(r, "Failed to load key file '%s': %m", key_file);
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}
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/* Search path supplied, but file not found, report by returning NULL, but not failing */
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*ret_key = IOVEC_MAKE(NULL, 0);
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return 0;
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}
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