diff options
-rw-r--r-- | atomicio.c | 57 | ||||
-rw-r--r-- | fingerprint.c | 74 | ||||
-rw-r--r-- | fingerprint.h | 34 |
3 files changed, 165 insertions, 0 deletions
diff --git a/atomicio.c b/atomicio.c new file mode 100644 index 000000000..46ffee357 --- /dev/null +++ b/atomicio.c | |||
@@ -0,0 +1,57 @@ | |||
1 | /* | ||
2 | * Copyright (c) 1999 Theo de Raadt | ||
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 | |||
26 | #include "includes.h" | ||
27 | RCSID("$Id: atomicio.c,v 1.7 1999/12/07 06:03:33 damien Exp $"); | ||
28 | |||
29 | #include "xmalloc.h" | ||
30 | #include "ssh.h" | ||
31 | |||
32 | /* | ||
33 | * ensure all of data on socket comes through. f==read || f==write | ||
34 | */ | ||
35 | int | ||
36 | atomicio(f, fd, s, n) | ||
37 | int (*f) (); | ||
38 | int fd; | ||
39 | void *s; | ||
40 | size_t n; | ||
41 | { | ||
42 | int res, pos = 0; | ||
43 | |||
44 | while (n > pos) { | ||
45 | res = (f) (fd, s + pos, n - pos); | ||
46 | switch (res) { | ||
47 | case -1: | ||
48 | if (errno == EINTR || errno == EAGAIN) | ||
49 | continue; | ||
50 | case 0: | ||
51 | return (res); | ||
52 | default: | ||
53 | pos += res; | ||
54 | } | ||
55 | } | ||
56 | return (pos); | ||
57 | } | ||
diff --git a/fingerprint.c b/fingerprint.c new file mode 100644 index 000000000..7784e8b7d --- /dev/null +++ b/fingerprint.c | |||
@@ -0,0 +1,74 @@ | |||
1 | /* | ||
2 | * Copyright (c) 1999 Markus Friedl. All rights reserved. | ||
3 | * | ||
4 | * Redistribution and use in source and binary forms, with or without | ||
5 | * modification, are permitted provided that the following conditions | ||
6 | * are met: | ||
7 | * 1. Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * 2. Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * 3. All advertising materials mentioning features or use of this software | ||
13 | * must display the following acknowledgement: | ||
14 | * This product includes software developed by Markus Friedl. | ||
15 | * 4. The name of the author may not be used to endorse or promote products | ||
16 | * derived from this software without specific prior written permission. | ||
17 | * | ||
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | ||
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | ||
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | ||
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
28 | */ | ||
29 | |||
30 | #include "includes.h" | ||
31 | RCSID("$Id: fingerprint.c,v 1.4 1999/11/24 16:15:25 markus Exp $"); | ||
32 | |||
33 | #include "ssh.h" | ||
34 | #include "xmalloc.h" | ||
35 | #ifdef HAVE_OPENSSL | ||
36 | #include <openssl/md5.h> | ||
37 | #endif | ||
38 | #ifdef HAVE_SSL | ||
39 | #include <ssl/md5.h> | ||
40 | #endif | ||
41 | |||
42 | #define FPRINT "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x" | ||
43 | |||
44 | /* | ||
45 | * Generate key fingerprint in ascii format. | ||
46 | * Based on ideas and code from Bjoern Groenvall <bg@sics.se> | ||
47 | */ | ||
48 | char * | ||
49 | fingerprint(BIGNUM *e, BIGNUM *n) | ||
50 | { | ||
51 | static char retval[80]; | ||
52 | MD5_CTX md; | ||
53 | unsigned char d[16]; | ||
54 | char *buf; | ||
55 | int nlen, elen; | ||
56 | |||
57 | nlen = BN_num_bytes(n); | ||
58 | elen = BN_num_bytes(e); | ||
59 | |||
60 | buf = xmalloc(nlen + elen); | ||
61 | |||
62 | BN_bn2bin(n, buf); | ||
63 | BN_bn2bin(e, buf + nlen); | ||
64 | |||
65 | MD5_Init(&md); | ||
66 | MD5_Update(&md, buf, nlen + elen); | ||
67 | MD5_Final(d, &md); | ||
68 | snprintf(retval, sizeof(retval), FPRINT, | ||
69 | d[0], d[1], d[2], d[3], d[4], d[5], d[6], d[7], | ||
70 | d[8], d[9], d[10], d[11], d[12], d[13], d[14], d[15]); | ||
71 | memset(buf, 0, nlen + elen); | ||
72 | xfree(buf); | ||
73 | return retval; | ||
74 | } | ||
diff --git a/fingerprint.h b/fingerprint.h new file mode 100644 index 000000000..fbb0d4c46 --- /dev/null +++ b/fingerprint.h | |||
@@ -0,0 +1,34 @@ | |||
1 | /* | ||
2 | * Copyright (c) 1999 Markus Friedl. All rights reserved. | ||
3 | * | ||
4 | * Redistribution and use in source and binary forms, with or without | ||
5 | * modification, are permitted provided that the following conditions | ||
6 | * are met: | ||
7 | * 1. Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * 2. Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * 3. All advertising materials mentioning features or use of this software | ||
13 | * must display the following acknowledgement: | ||
14 | * This product includes software developed by Markus Friedl. | ||
15 | * 4. The name of the author may not be used to endorse or promote products | ||
16 | * derived from this software without specific prior written permission. | ||
17 | * | ||
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | ||
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | ||
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | ||
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
28 | */ | ||
29 | /* RCSID("$Id: fingerprint.h,v 1.3 1999/11/24 16:15:25 markus Exp $"); */ | ||
30 | |||
31 | #ifndef FINGERPRINT_H | ||
32 | #define FINGERPRINT_H | ||
33 | char *fingerprint(BIGNUM * e, BIGNUM * n); | ||
34 | #endif | ||