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Diffstat (limited to 'libmailutils/cidr/tosa.c')
-rw-r--r-- | libmailutils/cidr/tosa.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libmailutils/cidr/tosa.c b/libmailutils/cidr/tosa.c new file mode 100644 index 000000000..c14a995da --- /dev/null +++ b/libmailutils/cidr/tosa.c | |||
@@ -0,0 +1,78 @@ | |||
1 | /* GNU Mailutils -- a suite of utilities for electronic mail | ||
2 | Copyright (C) 2011 Free Software Foundation, Inc. | ||
3 | |||
4 | This library is free software; you can redistribute it and/or | ||
5 | modify it under the terms of the GNU Lesser General Public | ||
6 | License as published by the Free Software Foundation; either | ||
7 | version 3 of the License, or (at your option) any later version. | ||
8 | |||
9 | This library is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
12 | Lesser General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU Lesser General | ||
15 | Public License along with this library. If not, see | ||
16 | <http://www.gnu.org/licenses/>. */ | ||
17 | |||
18 | #ifdef HAVE_CONFIG_H | ||
19 | # include <config.h> | ||
20 | #endif | ||
21 | #include <sys/types.h> | ||
22 | #include <sys/socket.h> | ||
23 | #include <sys/stat.h> | ||
24 | #include <netinet/in.h> | ||
25 | #include <arpa/inet.h> | ||
26 | #include <netdb.h> | ||
27 | #include <string.h> | ||
28 | #include <stdlib.h> | ||
29 | #include <mailutils/cidr.h> | ||
30 | #include <mailutils/errno.h> | ||
31 | |||
32 | int | ||
33 | mu_cidr_to_sockaddr (struct mu_cidr *cidr, struct sockaddr **psa) | ||
34 | { | ||
35 | union | ||
36 | { | ||
37 | struct sockaddr sa; | ||
38 | struct sockaddr_in s_in; | ||
39 | #ifdef MAILUTILS_IPV6 | ||
40 | struct sockaddr_in6 s_in6; | ||
41 | #endif | ||
42 | } addr; | ||
43 | struct sockaddr *sa; | ||
44 | int socklen; | ||
45 | int i; | ||
46 | |||
47 | memset (&addr, 0, sizeof (addr)); | ||
48 | addr.sa.sa_family = cidr->family; | ||
49 | switch (cidr->family) | ||
50 | { | ||
51 | case AF_INET: | ||
52 | socklen = sizeof (addr.s_in); | ||
53 | for (i = 0; i < cidr->len; i++) | ||
54 | { | ||
55 | addr.s_in.sin_addr.s_addr <<= 8; | ||
56 | addr.s_in.sin_addr.s_addr |= cidr->address[i]; | ||
57 | } | ||
58 | break; | ||
59 | |||
60 | #ifdef MAILUTILS_IPV6 | ||
61 | case AF_INET6: | ||
62 | socklen = sizeof (addr.s_in6); | ||
63 | memcpy (&addr.s_in6.sin6_addr, cidr->address, 16); | ||
64 | break; | ||
65 | #endif | ||
66 | |||
67 | default: | ||
68 | return MU_ERR_FAMILY; | ||
69 | } | ||
70 | |||
71 | sa = malloc (socklen); | ||
72 | if (!sa) | ||
73 | return ENOMEM; | ||
74 | memcpy (sa, &addr, socklen); | ||
75 | *psa = sa; | ||
76 | return 0; | ||
77 | } | ||
78 | |||