1 /*-
2 * Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <unistd.h>
29 #include <pwd.h>
30
31 #include "rsa.h"
32 #include "rsastubs.h"
33
34 #ifndef USE_ARG
35 #define USE_ARG(x) /*LINTED*/(void)&(x)
36 #endif
37
38 static int
pass_cb(char * buf,int size,int rwflag,void * u)39 pass_cb(char *buf, int size, int rwflag, void *u)
40 {
41 char *passphrase;
42 char prompt[128];
43
44 USE_ARG(rwflag);
45 snprintf(prompt, sizeof(prompt), "\"%s\" passphrase: ", (char *)u);
46 if ((passphrase = getpass(prompt)) == NULL) {
47 return -1;
48 }
49 (void) memcpy(buf, passphrase, (size_t)size);
50 return (int)strlen(passphrase);
51 }
52
53 RSA *
PEM_read_RSAPrivateKey(FILE * fp,RSA ** x,pem_password_cb * cb,void * u)54 PEM_read_RSAPrivateKey(FILE *fp, RSA **x, pem_password_cb *cb, void *u)
55 {
56 char phrase[128 + 1];
57 RSA *rsa;
58 int cc;
59
60 fprintf(stderr, "Stubbed PEM_read_RSAPrivateKey\n");
61 USE_ARG(u);
62 if (cb == NULL) {
63 cb = pass_cb;
64 }
65 cc = (*cb)(phrase, sizeof(phrase), 0, u);
66 rsa = *x = RSA_new();
67 USE_ARG(fp);
68 return rsa;
69 }
70
71 DSA *
PEM_read_DSAPrivateKey(FILE * fp,DSA ** x,pem_password_cb * cb,void * u)72 PEM_read_DSAPrivateKey(FILE *fp, DSA **x, pem_password_cb *cb, void *u)
73 {
74 DSA *dsa;
75
76 USE_ARG(u);
77 if (cb == NULL) {
78 cb = pass_cb;
79 }
80 dsa = *x = DSA_new();
81 USE_ARG(fp);
82 return dsa;
83 }
84