mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-12-23 21:11:07 +00:00
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/*-
|
|
* Copyright (c) 2013 The University of Oslo
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "cryb/impl.h"
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <cryb/oath.h>
|
|
#include <cryb/strlcmp.h>
|
|
|
|
/*
|
|
* OATH
|
|
*
|
|
* Loads an OATH key from a file
|
|
*/
|
|
|
|
struct oath_key *
|
|
oath_key_from_file(const char *filename)
|
|
{
|
|
struct oath_key *key;
|
|
FILE *f;
|
|
char *line;
|
|
size_t len;
|
|
|
|
if ((f = fopen(filename, "r")) == NULL)
|
|
return (NULL);
|
|
/* get first non-empty non-comment line */
|
|
line = openpam_readline(f, NULL, &len);
|
|
if (strlcmp("otpauth://", line, len) == 0) {
|
|
key = oath_key_from_uri(line);
|
|
} else {
|
|
/*
|
|
openpam_log(PAM_LOG_ERROR,
|
|
"unrecognized key file format: %s", filename);
|
|
*/
|
|
key = NULL;
|
|
}
|
|
fclose(f);
|
|
return (key);
|
|
}
|
|
|
|
/**
|
|
* The =oath_key_from_file function loads a key from the specified file.
|
|
* The file format is automatically detected.
|
|
*
|
|
* The following key file formats are supported:
|
|
*
|
|
* - otpauth URI
|
|
*
|
|
* Keys created with =oath_key_from_file must be freed using
|
|
* =oath_key_free.
|
|
*
|
|
* >oath_key_alloc
|
|
* >oath_key_free
|
|
* >oath_key_from_uri
|
|
*
|
|
* AUTHOR UIO
|
|
*/
|