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[FreeBSD/releng/10.3.git] / crypto / openssh / regress / unittests / sshkey / common.c
1 /*      $OpenBSD: common.c,v 1.2 2015/01/08 13:10:58 djm Exp $ */
2 /*
3  * Helpers for key API tests
4  *
5  * Placed in the public domain
6  */
7
8 #include "includes.h"
9
10 #include <sys/types.h>
11 #include <sys/param.h>
12 #include <sys/stat.h>
13 #include <fcntl.h>
14 #include <stdio.h>
15 #ifdef HAVE_STDINT_H
16 #include <stdint.h>
17 #endif
18 #include <stdlib.h>
19 #include <string.h>
20 #include <unistd.h>
21
22 #include <openssl/bn.h>
23 #include <openssl/rsa.h>
24 #include <openssl/dsa.h>
25 #include <openssl/objects.h>
26 #ifdef OPENSSL_HAS_NISTP256
27 # include <openssl/ec.h>
28 #endif
29
30 #include "../test_helper/test_helper.h"
31
32 #include "ssherr.h"
33 #include "authfile.h"
34 #include "sshkey.h"
35 #include "sshbuf.h"
36
37 #include "common.h"
38
39 struct sshbuf *
40 load_file(const char *name)
41 {
42         int fd;
43         struct sshbuf *ret;
44
45         ASSERT_PTR_NE(ret = sshbuf_new(), NULL);
46         ASSERT_INT_NE(fd = open(test_data_file(name), O_RDONLY), -1);
47         ASSERT_INT_EQ(sshkey_load_file(fd, ret), 0);
48         close(fd);
49         return ret;
50 }
51
52 struct sshbuf *
53 load_text_file(const char *name)
54 {
55         struct sshbuf *ret = load_file(name);
56         const u_char *p;
57
58         /* Trim whitespace at EOL */
59         for (p = sshbuf_ptr(ret); sshbuf_len(ret) > 0;) {
60                 if (p[sshbuf_len(ret) - 1] == '\r' ||
61                     p[sshbuf_len(ret) - 1] == '\t' ||
62                     p[sshbuf_len(ret) - 1] == ' ' ||
63                     p[sshbuf_len(ret) - 1] == '\n')
64                         ASSERT_INT_EQ(sshbuf_consume_end(ret, 1), 0);
65                 else
66                         break;
67         }
68         /* \0 terminate */
69         ASSERT_INT_EQ(sshbuf_put_u8(ret, 0), 0);
70         return ret;
71 }
72
73 BIGNUM *
74 load_bignum(const char *name)
75 {
76         BIGNUM *ret = NULL;
77         struct sshbuf *buf;
78
79         buf = load_text_file(name);
80         ASSERT_INT_NE(BN_hex2bn(&ret, (const char *)sshbuf_ptr(buf)), 0);
81         sshbuf_free(buf);
82         return ret;
83 }
84