Mercurial > dovecot > core-2.2
annotate src/lib/network.c @ 5984:74a6130211c2 HEAD
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
to use casting.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Fri, 13 Jul 2007 05:48:54 +0300 |
| parents | 22b300677807 |
| children | 8ae4b8d78a25 |
| rev | line source |
|---|---|
|
3621
3ae2df67459c
Added fd_set_nonblock() and changed net_set_nonblock() to use it.
Timo Sirainen <tss@iki.fi>
parents:
3577
diff
changeset
|
1 /* Copyright (c) 1999-2005 Timo Sirainen */ |
| 0 | 2 |
| 3 #include "lib.h" | |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3863
diff
changeset
|
4 #include "close-keep-errno.h" |
|
3621
3ae2df67459c
Added fd_set_nonblock() and changed net_set_nonblock() to use it.
Timo Sirainen <tss@iki.fi>
parents:
3577
diff
changeset
|
5 #include "fd-set-nonblock.h" |
| 0 | 6 #include "network.h" |
| 7 | |
| 8 #include <unistd.h> | |
| 9 #include <fcntl.h> | |
| 10 #include <ctype.h> | |
| 11 #include <sys/un.h> | |
| 12 #include <netinet/tcp.h> | |
| 13 | |
| 14 union sockaddr_union { | |
| 15 struct sockaddr sa; | |
| 16 struct sockaddr_in sin; | |
| 17 #ifdef HAVE_IPV6 | |
| 18 struct sockaddr_in6 sin6; | |
| 19 #endif | |
| 20 }; | |
| 21 | |
| 22 #ifdef HAVE_IPV6 | |
| 23 # define SIZEOF_SOCKADDR(so) ((so).sa.sa_family == AF_INET6 ? \ | |
| 24 sizeof(so.sin6) : sizeof(so.sin)) | |
| 25 #else | |
| 26 # define SIZEOF_SOCKADDR(so) (sizeof(so.sin)) | |
| 27 #endif | |
| 28 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
29 bool net_ip_compare(const struct ip_addr *ip1, const struct ip_addr *ip2) |
| 0 | 30 { |
| 31 if (ip1->family != ip2->family) | |
| 32 return 0; | |
| 33 | |
| 34 #ifdef HAVE_IPV6 | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
35 if (ip1->family == AF_INET6) { |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
36 return memcmp(&ip1->u.ip6, &ip2->u.ip6, |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
37 sizeof(ip1->u.ip6)) == 0; |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
38 } |
| 0 | 39 #endif |
| 40 | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
41 return memcmp(&ip1->u.ip4, &ip2->u.ip4, sizeof(ip1->u.ip4)) == 0; |
| 0 | 42 } |
| 43 | |
| 5865 | 44 unsigned int net_ip_hash(const struct ip_addr *ip) |
| 45 { | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
46 const unsigned char *p; |
| 5865 | 47 unsigned int len, g, h = 0; |
| 48 | |
| 49 #ifdef HAVE_IPV6 | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
50 if (ip->family == AF_INET6) { |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
51 p = ip->u.ip6.s6_addr; |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
52 len = sizeof(ip->u.ip6); |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
53 } else |
| 5865 | 54 #endif |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
55 { |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
56 return ip->u.ip4.s_addr; |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
57 } |
| 5865 | 58 |
| 59 for (; len > 0; len--, p++) { | |
| 60 h = (h << 4) + *p; | |
| 61 if ((g = h & 0xf0000000UL)) { | |
| 62 h = h ^ (g >> 24); | |
| 63 h = h ^ g; | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 return h; | |
| 68 } | |
| 0 | 69 |
| 70 /* copy IP to sockaddr */ | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
71 static inline void |
|
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
72 sin_set_ip(union sockaddr_union *so, const struct ip_addr *ip) |
| 0 | 73 { |
| 74 if (ip == NULL) { | |
| 75 #ifdef HAVE_IPV6 | |
| 76 so->sin6.sin6_family = AF_INET6; | |
| 77 so->sin6.sin6_addr = in6addr_any; | |
| 78 #else | |
| 79 so->sin.sin_family = AF_INET; | |
| 80 so->sin.sin_addr.s_addr = INADDR_ANY; | |
| 81 #endif | |
| 82 return; | |
| 83 } | |
| 84 | |
| 85 so->sin.sin_family = ip->family; | |
| 86 #ifdef HAVE_IPV6 | |
| 87 if (ip->family == AF_INET6) | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
88 memcpy(&so->sin6.sin6_addr, &ip->u.ip6, sizeof(ip->u.ip6)); |
| 0 | 89 else |
| 90 #endif | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
91 memcpy(&so->sin.sin_addr, &ip->u.ip4, sizeof(ip->u.ip4)); |
| 0 | 92 } |
| 93 | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
94 static inline void |
|
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
95 sin_get_ip(const union sockaddr_union *so, struct ip_addr *ip) |
| 0 | 96 { |
| 97 ip->family = so->sin.sin_family; | |
| 98 | |
| 99 #ifdef HAVE_IPV6 | |
| 100 if (ip->family == AF_INET6) | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
101 memcpy(&ip->u.ip6, &so->sin6.sin6_addr, sizeof(ip->u.ip6)); |
| 0 | 102 else |
| 103 #endif | |
|
3400
ddfa507bb74f
Don't return random data if net_getpeername() or net_getsockname() is used
Timo Sirainen <tss@iki.fi>
parents:
3373
diff
changeset
|
104 if (ip->family == AF_INET) |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
105 memcpy(&ip->u.ip4, &so->sin.sin_addr, sizeof(ip->u.ip4)); |
|
3400
ddfa507bb74f
Don't return random data if net_getpeername() or net_getsockname() is used
Timo Sirainen <tss@iki.fi>
parents:
3373
diff
changeset
|
106 else |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
107 memset(&ip->u, 0, sizeof(ip->u)); |
| 0 | 108 } |
| 109 | |
| 349 | 110 static inline void sin_set_port(union sockaddr_union *so, unsigned int port) |
| 0 | 111 { |
| 112 #ifdef HAVE_IPV6 | |
| 113 if (so->sin.sin_family == AF_INET6) | |
| 114 so->sin6.sin6_port = htons((unsigned short) port); | |
| 115 else | |
| 116 #endif | |
| 117 so->sin.sin_port = htons((unsigned short) port); | |
| 118 } | |
| 119 | |
| 349 | 120 static inline unsigned int sin_get_port(union sockaddr_union *so) |
| 0 | 121 { |
| 122 #ifdef HAVE_IPV6 | |
| 123 if (so->sin.sin_family == AF_INET6) | |
| 124 return ntohs(so->sin6.sin6_port); | |
| 125 #endif | |
|
3400
ddfa507bb74f
Don't return random data if net_getpeername() or net_getsockname() is used
Timo Sirainen <tss@iki.fi>
parents:
3373
diff
changeset
|
126 if (so->sin.sin_family == AF_INET) |
|
ddfa507bb74f
Don't return random data if net_getpeername() or net_getsockname() is used
Timo Sirainen <tss@iki.fi>
parents:
3373
diff
changeset
|
127 return ntohs(so->sin.sin_port); |
|
ddfa507bb74f
Don't return random data if net_getpeername() or net_getsockname() is used
Timo Sirainen <tss@iki.fi>
parents:
3373
diff
changeset
|
128 |
|
ddfa507bb74f
Don't return random data if net_getpeername() or net_getsockname() is used
Timo Sirainen <tss@iki.fi>
parents:
3373
diff
changeset
|
129 return 0; |
| 0 | 130 } |
| 131 | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
132 int net_connect_ip(const struct ip_addr *ip, unsigned int port, |
|
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
133 const struct ip_addr *my_ip) |
| 0 | 134 { |
| 135 union sockaddr_union so; | |
| 136 int fd, ret, opt = 1; | |
| 137 | |
| 138 if (my_ip != NULL && ip->family != my_ip->family) { | |
| 139 i_warning("net_connect_ip(): ip->family != my_ip->family"); | |
| 140 my_ip = NULL; | |
| 141 } | |
| 142 | |
| 143 /* create the socket */ | |
| 144 memset(&so, 0, sizeof(so)); | |
| 145 so.sin.sin_family = ip->family; | |
| 146 fd = socket(ip->family, SOCK_STREAM, 0); | |
| 147 | |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
148 if (fd == -1) { |
|
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
149 i_error("socket() failed: %m"); |
| 0 | 150 return -1; |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
151 } |
| 0 | 152 |
| 153 /* set socket options */ | |
| 154 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); | |
| 155 setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); | |
|
2639
a307ddd22a3a
net_connect() should be nonblocking (currently unused in Dovecot)
Timo Sirainen <tss@iki.fi>
parents:
2113
diff
changeset
|
156 net_set_nonblock(fd, TRUE); |
| 0 | 157 |
| 158 /* set our own address */ | |
| 159 if (my_ip != NULL) { | |
| 160 sin_set_ip(&so, my_ip); | |
| 161 if (bind(fd, &so.sa, SIZEOF_SOCKADDR(so)) == -1) { | |
| 162 /* failed, set it back to INADDR_ANY */ | |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
163 i_error("bind(%s) failed: %m", net_ip2addr(my_ip)); |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3863
diff
changeset
|
164 close_keep_errno(fd); |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
165 return -1; |
| 0 | 166 } |
| 167 } | |
| 168 | |
| 169 /* connect */ | |
| 170 sin_set_ip(&so, ip); | |
| 171 sin_set_port(&so, port); | |
| 172 ret = connect(fd, &so.sa, SIZEOF_SOCKADDR(so)); | |
| 173 | |
| 174 #ifndef WIN32 | |
| 175 if (ret < 0 && errno != EINPROGRESS) | |
| 176 #else | |
| 177 if (ret < 0 && WSAGetLastError() != WSAEWOULDBLOCK) | |
| 178 #endif | |
| 179 { | |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3863
diff
changeset
|
180 close_keep_errno(fd); |
| 0 | 181 return -1; |
| 182 } | |
| 183 | |
| 184 return fd; | |
| 185 } | |
| 186 | |
| 187 int net_connect_unix(const char *path) | |
| 188 { | |
| 189 struct sockaddr_un sa; | |
| 190 int fd, ret; | |
| 191 | |
|
807
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
Timo Sirainen <tss@iki.fi>
parents:
805
diff
changeset
|
192 memset(&sa, 0, sizeof(sa)); |
|
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
Timo Sirainen <tss@iki.fi>
parents:
805
diff
changeset
|
193 sa.sun_family = AF_UNIX; |
|
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
Timo Sirainen <tss@iki.fi>
parents:
805
diff
changeset
|
194 if (strocpy(sa.sun_path, path, sizeof(sa.sun_path)) < 0) { |
| 0 | 195 /* too long path */ |
| 196 errno = EINVAL; | |
| 197 return -1; | |
| 198 } | |
| 199 | |
| 200 /* create the socket */ | |
| 201 fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
202 if (fd == -1) { |
|
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
203 i_error("socket(%s) failed: %m", path); |
| 0 | 204 return -1; |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
205 } |
| 0 | 206 |
|
3076
8d15fea729c2
Use nonblocking connecting for unix sockets.
Timo Sirainen <tss@iki.fi>
parents:
3075
diff
changeset
|
207 net_set_nonblock(fd, TRUE); |
|
8d15fea729c2
Use nonblocking connecting for unix sockets.
Timo Sirainen <tss@iki.fi>
parents:
3075
diff
changeset
|
208 |
| 0 | 209 /* connect */ |
|
4018
989dd95aa8b9
Enable -Wstrict-aliasing=2 warning and fixed a couple of warnings it gave.
Timo Sirainen <tss@iki.fi>
parents:
4011
diff
changeset
|
210 ret = connect(fd, (void *)&sa, sizeof(sa)); |
| 0 | 211 if (ret < 0 && errno != EINPROGRESS) { |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3863
diff
changeset
|
212 close_keep_errno(fd); |
| 0 | 213 return -1; |
| 214 } | |
| 215 | |
| 216 return fd; | |
| 217 } | |
| 218 | |
| 219 void net_disconnect(int fd) | |
| 220 { | |
|
388
792fc5b3daa4
Send error message if close() fails in net_disconnect().
Timo Sirainen <tss@iki.fi>
parents:
349
diff
changeset
|
221 if (close(fd) < 0) |
|
792fc5b3daa4
Send error message if close() fails in net_disconnect().
Timo Sirainen <tss@iki.fi>
parents:
349
diff
changeset
|
222 i_error("net_disconnect() failed: %m"); |
| 0 | 223 } |
| 224 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
225 void net_set_nonblock(int fd, bool nonblock) |
| 0 | 226 { |
|
3621
3ae2df67459c
Added fd_set_nonblock() and changed net_set_nonblock() to use it.
Timo Sirainen <tss@iki.fi>
parents:
3577
diff
changeset
|
227 if (fd_set_nonblock(fd, nonblock) < 0) |
|
3ae2df67459c
Added fd_set_nonblock() and changed net_set_nonblock() to use it.
Timo Sirainen <tss@iki.fi>
parents:
3577
diff
changeset
|
228 i_fatal("fd_set_nonblock(%d) failed: %m", fd); |
| 0 | 229 } |
| 230 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
231 int net_set_cork(int fd __attr_unused__, bool cork __attr_unused__) |
| 0 | 232 { |
| 233 #ifdef TCP_CORK | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
234 int val = cork; |
|
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
235 |
|
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
236 return setsockopt(fd, IPPROTO_TCP, TCP_CORK, &val, sizeof(val)); |
|
410
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
404
diff
changeset
|
237 #else |
|
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
404
diff
changeset
|
238 errno = ENOPROTOOPT; |
|
1f0e7229ee58
Split IOBuffer into mmaped IBuffer, file IBuffer, memory data IBuffer and
Timo Sirainen <tss@iki.fi>
parents:
404
diff
changeset
|
239 return -1; |
| 0 | 240 #endif |
| 241 } | |
| 242 | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
243 void net_get_ip_any4(struct ip_addr *ip) |
|
780
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
244 { |
|
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
245 ip->family = AF_INET; |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
246 ip->u.ip4.s_addr = INADDR_ANY; |
|
780
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
247 } |
|
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
248 |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
249 void net_get_ip_any6(struct ip_addr *ip) |
|
780
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
250 { |
|
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
251 #ifdef HAVE_IPV6 |
|
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
252 ip->family = AF_INET6; |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
253 ip->u.ip6 = in6addr_any; |
|
780
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
254 #else |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
255 memset(ip, 0, sizeof(struct ip_addr)); |
|
780
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
256 #endif |
|
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
257 } |
|
1cc947617c8b
imap_listen and imaps_listen accepts now "*" as "all IPv4 interfaces" and
Timo Sirainen <tss@iki.fi>
parents:
680
diff
changeset
|
258 |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
Timo Sirainen <tss@iki.fi>
parents:
2639
diff
changeset
|
259 int net_listen(const struct ip_addr *my_ip, unsigned int *port, int backlog) |
| 0 | 260 { |
| 261 union sockaddr_union so; | |
| 262 int ret, fd, opt = 1; | |
| 263 socklen_t len; | |
| 264 | |
| 265 memset(&so, 0, sizeof(so)); | |
| 266 sin_set_port(&so, *port); | |
| 267 sin_set_ip(&so, my_ip); | |
| 268 | |
| 269 /* create the socket */ | |
| 270 fd = socket(so.sin.sin_family, SOCK_STREAM, 0); | |
| 271 #ifdef HAVE_IPV6 | |
| 272 if (fd == -1 && (errno == EINVAL || errno == EAFNOSUPPORT)) { | |
| 273 /* IPv6 is not supported by OS */ | |
| 274 so.sin.sin_family = AF_INET; | |
| 275 so.sin.sin_addr.s_addr = INADDR_ANY; | |
| 276 | |
| 277 fd = socket(AF_INET, SOCK_STREAM, 0); | |
| 278 } | |
| 279 #endif | |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
280 if (fd == -1) { |
|
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
281 i_error("socket() failed: %m"); |
| 0 | 282 return -1; |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
283 } |
| 0 | 284 |
| 285 /* set socket options */ | |
| 286 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); | |
| 287 setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); | |
| 288 | |
|
3373
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
289 /* if using IPv6, bind both on the IPv4 and IPv6 addresses */ |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
290 #ifdef IPV6_V6ONLY |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
291 if (so.sin.sin_family == AF_INET6) { |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
292 opt = 0; |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
293 setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt)); |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
294 } |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
Timo Sirainen <tss@iki.fi>
parents:
3076
diff
changeset
|
295 #endif |
| 0 | 296 /* specify the address/port we want to listen in */ |
| 297 ret = bind(fd, &so.sa, SIZEOF_SOCKADDR(so)); | |
|
3537
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
298 if (ret < 0) { |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
299 if (errno != EADDRINUSE) { |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
300 i_error("bind(%s, %u) failed: %m", |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
301 net_ip2addr(my_ip), *port); |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
302 } |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
303 } else { |
| 0 | 304 /* get the actual port we started listen */ |
| 305 len = SIZEOF_SOCKADDR(so); | |
| 306 ret = getsockname(fd, &so.sa, &len); | |
| 307 if (ret >= 0) { | |
| 308 *port = sin_get_port(&so); | |
| 309 | |
| 310 /* start listening */ | |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
Timo Sirainen <tss@iki.fi>
parents:
2639
diff
changeset
|
311 if (listen(fd, backlog) >= 0) |
|
3537
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
312 return fd; |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
313 |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
314 if (errno != EADDRINUSE) |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
Timo Sirainen <tss@iki.fi>
parents:
3523
diff
changeset
|
315 i_error("listen() failed: %m"); |
| 0 | 316 } |
| 317 } | |
| 318 | |
| 319 /* error */ | |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3863
diff
changeset
|
320 close_keep_errno(fd); |
| 0 | 321 return -1; |
| 322 } | |
| 323 | |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
Timo Sirainen <tss@iki.fi>
parents:
2639
diff
changeset
|
324 int net_listen_unix(const char *path, int backlog) |
| 0 | 325 { |
| 326 struct sockaddr_un sa; | |
| 327 int fd; | |
| 328 | |
|
807
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
Timo Sirainen <tss@iki.fi>
parents:
805
diff
changeset
|
329 memset(&sa, 0, sizeof(sa)); |
|
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
Timo Sirainen <tss@iki.fi>
parents:
805
diff
changeset
|
330 sa.sun_family = AF_UNIX; |
|
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
Timo Sirainen <tss@iki.fi>
parents:
805
diff
changeset
|
331 if (strocpy(sa.sun_path, path, sizeof(sa.sun_path)) < 0) { |
| 0 | 332 /* too long path */ |
| 333 errno = EINVAL; | |
| 334 return -1; | |
| 335 } | |
| 336 | |
| 337 /* create the socket */ | |
| 338 fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
339 if (fd == -1) { |
|
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
340 i_error("socket() failed: %m"); |
| 0 | 341 return -1; |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
Timo Sirainen <tss@iki.fi>
parents:
3400
diff
changeset
|
342 } |
| 0 | 343 |
| 344 /* bind */ | |
|
4018
989dd95aa8b9
Enable -Wstrict-aliasing=2 warning and fixed a couple of warnings it gave.
Timo Sirainen <tss@iki.fi>
parents:
4011
diff
changeset
|
345 if (bind(fd, (void *)&sa, sizeof(sa)) < 0) { |
|
3545
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
Timo Sirainen <tss@iki.fi>
parents:
3537
diff
changeset
|
346 if (errno != EADDRINUSE) |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
Timo Sirainen <tss@iki.fi>
parents:
3537
diff
changeset
|
347 i_error("bind(%s) failed: %m", path); |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
Timo Sirainen <tss@iki.fi>
parents:
3537
diff
changeset
|
348 } else { |
| 0 | 349 /* start listening */ |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
Timo Sirainen <tss@iki.fi>
parents:
2639
diff
changeset
|
350 if (listen(fd, backlog) == 0) |
| 0 | 351 return fd; |
|
3545
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
Timo Sirainen <tss@iki.fi>
parents:
3537
diff
changeset
|
352 |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
Timo Sirainen <tss@iki.fi>
parents:
3537
diff
changeset
|
353 if (errno != EADDRINUSE) |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
Timo Sirainen <tss@iki.fi>
parents:
3537
diff
changeset
|
354 i_error("listen() failed: %m"); |
| 0 | 355 } |
| 356 | |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
Timo Sirainen <timo.sirainen@movial.fi>
parents:
3863
diff
changeset
|
357 close_keep_errno(fd); |
| 0 | 358 return -1; |
| 359 } | |
| 360 | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
361 int net_accept(int fd, struct ip_addr *addr, unsigned int *port) |
| 0 | 362 { |
| 363 union sockaddr_union so; | |
| 364 int ret; | |
| 365 socklen_t addrlen; | |
| 366 | |
| 367 i_assert(fd >= 0); | |
| 368 | |
| 369 addrlen = sizeof(so); | |
| 370 ret = accept(fd, &so.sa, &addrlen); | |
| 371 | |
|
680
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
372 if (ret < 0) { |
|
5358
a977ad033903
net_listen_unix() API changed a bit. -1 is now returned for errors that can
Timo Sirainen <tss@iki.fi>
parents:
4745
diff
changeset
|
373 if (errno == EAGAIN || errno == ECONNABORTED) |
|
a977ad033903
net_listen_unix() API changed a bit. -1 is now returned for errors that can
Timo Sirainen <tss@iki.fi>
parents:
4745
diff
changeset
|
374 return -1; |
|
a977ad033903
net_listen_unix() API changed a bit. -1 is now returned for errors that can
Timo Sirainen <tss@iki.fi>
parents:
4745
diff
changeset
|
375 else |
|
680
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
376 return -2; |
|
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
377 } |
| 0 | 378 |
| 379 if (addr != NULL) sin_get_ip(&so, addr); | |
| 380 if (port != NULL) *port = sin_get_port(&so); | |
| 381 | |
| 382 return ret; | |
| 383 } | |
| 384 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
159
diff
changeset
|
385 ssize_t net_receive(int fd, void *buf, size_t len) |
| 0 | 386 { |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
159
diff
changeset
|
387 ssize_t ret; |
| 0 | 388 |
| 389 i_assert(fd >= 0); | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
159
diff
changeset
|
390 i_assert(len <= SSIZE_T_MAX); |
| 0 | 391 |
|
3681
771cd6776d4b
Use read() instead of recv() in net_receive(), so it works even with
Timo Sirainen <tss@iki.fi>
parents:
3621
diff
changeset
|
392 ret = read(fd, buf, len); |
|
781
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
393 if (ret == 0) { |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
394 /* disconnected */ |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
395 errno = 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
396 return -2; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
397 } |
| 0 | 398 |
|
781
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
399 if (ret < 0) { |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
400 if (errno == EINTR || errno == EAGAIN) |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
401 return 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
402 |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
403 if (errno == ECONNRESET || errno == ETIMEDOUT) { |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
404 /* treat as disconnection */ |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
405 return -2; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
406 } |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
407 } |
| 0 | 408 |
| 409 return ret; | |
| 410 } | |
| 411 | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
159
diff
changeset
|
412 ssize_t net_transmit(int fd, const void *data, size_t len) |
| 0 | 413 { |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
159
diff
changeset
|
414 ssize_t ret; |
| 0 | 415 |
| 416 i_assert(fd >= 0); | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
Timo Sirainen <tss@iki.fi>
parents:
159
diff
changeset
|
417 i_assert(len <= SSIZE_T_MAX); |
| 0 | 418 |
|
64
83ae914a583a
added t_strdup_noconst() which can be used instead of (char *) t_strdup().
Timo Sirainen <tss@iki.fi>
parents:
34
diff
changeset
|
419 ret = send(fd, data, len, 0); |
|
781
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
420 if (ret == -1 && (errno == EINTR || errno == EAGAIN)) |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
421 return 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
422 |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
423 if (errno == EPIPE) |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
424 return -2; |
| 0 | 425 |
| 426 return ret; | |
| 427 } | |
| 428 | |
|
4745
7ee0bb1b2d97
Changed ips_count to unsigned int in net_gethostbyname(). Also removed
Timo Sirainen <tss@iki.fi>
parents:
4699
diff
changeset
|
429 int net_gethostbyname(const char *addr, struct ip_addr **ips, |
|
7ee0bb1b2d97
Changed ips_count to unsigned int in net_gethostbyname(). Also removed
Timo Sirainen <tss@iki.fi>
parents:
4699
diff
changeset
|
430 unsigned int *ips_count) |
| 0 | 431 { |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
432 /* @UNSAFE */ |
| 0 | 433 #ifdef HAVE_IPV6 |
| 434 union sockaddr_union *so; | |
| 435 struct addrinfo hints, *ai, *origai; | |
| 436 int host_error; | |
| 437 #else | |
| 438 struct hostent *hp; | |
| 439 #endif | |
| 440 int count; | |
| 441 | |
| 442 *ips = NULL; | |
| 443 *ips_count = 0; | |
| 444 | |
| 445 #ifdef HAVE_IPV6 | |
| 446 memset(&hints, 0, sizeof(struct addrinfo)); | |
| 447 hints.ai_socktype = SOCK_STREAM; | |
| 448 | |
| 449 /* save error to host_error for later use */ | |
| 450 host_error = getaddrinfo(addr, NULL, &hints, &ai); | |
| 451 if (host_error != 0) | |
| 452 return host_error; | |
| 453 | |
| 454 /* get number of IPs */ | |
| 455 origai = ai; | |
| 456 for (count = 0; ai != NULL; ai = ai->ai_next) | |
| 457 count++; | |
| 458 | |
| 459 *ips_count = count; | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
460 *ips = t_malloc(sizeof(struct ip_addr) * count); |
| 0 | 461 |
| 462 count = 0; | |
| 463 for (ai = origai; ai != NULL; ai = ai->ai_next, count++) { | |
| 464 so = (union sockaddr_union *) ai->ai_addr; | |
| 465 | |
|
2113
c5817f302aa6
net_gethostbyname() was broken with IPv6 enabled (wasn't really used with
Timo Sirainen <tss@iki.fi>
parents:
2098
diff
changeset
|
466 sin_get_ip(so, &(*ips)[count]); |
| 0 | 467 } |
| 468 freeaddrinfo(origai); | |
| 469 #else | |
| 470 hp = gethostbyname(addr); | |
| 471 if (hp == NULL) | |
| 472 return h_errno; | |
| 473 | |
| 474 /* get number of IPs */ | |
| 475 count = 0; | |
| 476 while (hp->h_addr_list[count] != NULL) | |
| 477 count++; | |
| 478 | |
| 479 *ips_count = count; | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
480 *ips = t_malloc(sizeof(struct ip_addr) * count); |
| 0 | 481 |
| 482 while (count > 0) { | |
| 483 count--; | |
| 484 | |
| 485 (*ips)[count].family = AF_INET; | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
486 memcpy(&(*ips)[count].u.ip4, hp->h_addr_list[count], |
|
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
487 sizeof((*ips)[count].u.ip4)); |
| 0 | 488 } |
| 489 #endif | |
| 490 | |
| 491 return 0; | |
| 492 } | |
| 493 | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
494 int net_getsockname(int fd, struct ip_addr *addr, unsigned int *port) |
| 0 | 495 { |
| 496 union sockaddr_union so; | |
| 497 socklen_t addrlen; | |
| 498 | |
| 499 i_assert(fd >= 0); | |
| 500 | |
| 501 addrlen = sizeof(so); | |
|
4018
989dd95aa8b9
Enable -Wstrict-aliasing=2 warning and fixed a couple of warnings it gave.
Timo Sirainen <tss@iki.fi>
parents:
4011
diff
changeset
|
502 if (getsockname(fd, &so.sa, &addrlen) == -1) |
| 0 | 503 return -1; |
| 504 | |
| 505 if (addr != NULL) sin_get_ip(&so, addr); | |
| 506 if (port != NULL) *port = sin_get_port(&so); | |
| 507 | |
| 508 return 0; | |
| 509 } | |
| 510 | |
| 2098 | 511 int net_getpeername(int fd, struct ip_addr *addr, unsigned int *port) |
| 512 { | |
| 513 union sockaddr_union so; | |
| 514 socklen_t addrlen; | |
| 515 | |
| 516 i_assert(fd >= 0); | |
| 517 | |
| 518 addrlen = sizeof(so); | |
|
4018
989dd95aa8b9
Enable -Wstrict-aliasing=2 warning and fixed a couple of warnings it gave.
Timo Sirainen <tss@iki.fi>
parents:
4011
diff
changeset
|
519 if (getpeername(fd, &so.sa, &addrlen) == -1) |
| 2098 | 520 return -1; |
| 521 | |
| 522 if (addr != NULL) sin_get_ip(&so, addr); | |
| 523 if (port != NULL) *port = sin_get_port(&so); | |
| 524 | |
| 525 return 0; | |
| 526 } | |
| 527 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
528 const char *net_ip2addr(const struct ip_addr *ip) |
| 0 | 529 { |
| 530 #ifdef HAVE_IPV6 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
531 char addr[MAX_IP_LEN+1]; |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
532 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
533 addr[MAX_IP_LEN] = '\0'; |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
534 if (inet_ntop(ip->family, &ip->u.ip6, addr, MAX_IP_LEN) == NULL) |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
535 return NULL; |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
536 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
537 return t_strdup(addr); |
| 0 | 538 #else |
| 539 unsigned long ip4; | |
| 540 | |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
541 if (ip->family != AF_INET) |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
542 return NULL; |
| 0 | 543 |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
544 ip4 = ntohl(ip->u.ip4.s_addr); |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
545 return t_strdup_printf("%lu.%lu.%lu.%lu", |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
546 (ip4 & 0xff000000UL) >> 24, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
547 (ip4 & 0x00ff0000) >> 16, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
548 (ip4 & 0x0000ff00) >> 8, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
549 (ip4 & 0x000000ff)); |
| 0 | 550 #endif |
| 551 } | |
| 552 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
553 int net_addr2ip(const char *addr, struct ip_addr *ip) |
| 0 | 554 { |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
555 if (strchr(addr, ':') != NULL) { |
| 0 | 556 /* IPv6 */ |
| 557 ip->family = AF_INET6; | |
| 558 #ifdef HAVE_IPV6 | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
559 if (inet_pton(AF_INET6, addr, &ip->u.ip6) == 0) |
| 0 | 560 return -1; |
| 561 #else | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
562 ip->u.ip4.s_addr = 0; |
| 0 | 563 #endif |
| 564 } else { | |
| 565 /* IPv4 */ | |
| 566 ip->family = AF_INET; | |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
567 if (inet_aton(addr, &ip->u.ip4) == 0) |
| 0 | 568 return -1; |
| 569 } | |
| 570 | |
| 571 return 0; | |
| 572 } | |
| 573 | |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
574 int net_ipv6_mapped_ipv4_convert(const struct ip_addr *src, |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
575 struct ip_addr *dest) |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
576 { |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
577 #ifdef HAVE_IPV6 |
|
4699
9e4cc68b71b2
Fix net_ipv6_mapped_ipv4_convert() to be actually portable.
Timo Sirainen <tss@iki.fi>
parents:
4684
diff
changeset
|
578 static uint8_t v4_prefix[] = |
|
9e4cc68b71b2
Fix net_ipv6_mapped_ipv4_convert() to be actually portable.
Timo Sirainen <tss@iki.fi>
parents:
4684
diff
changeset
|
579 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }; |
|
9e4cc68b71b2
Fix net_ipv6_mapped_ipv4_convert() to be actually portable.
Timo Sirainen <tss@iki.fi>
parents:
4684
diff
changeset
|
580 |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
581 if (!IPADDR_IS_V6(src)) |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
582 return -1; |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
583 if (memcmp(src->u.ip6.s6_addr, v4_prefix, sizeof(v4_prefix)) != 0) |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
584 return -1; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
585 |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
586 dest->family = AF_INET; |
|
5984
74a6130211c2
Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
Timo Sirainen <tss@iki.fi>
parents:
5865
diff
changeset
|
587 memcpy(&dest->u.ip6, &src->u.ip6.s6_addr[3*4], 4); |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
588 return 0; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
589 #else |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
590 return -1; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
591 #endif |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
592 } |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
593 |
| 0 | 594 int net_geterror(int fd) |
| 595 { | |
| 596 int data; | |
| 597 socklen_t len = sizeof(data); | |
| 598 | |
| 599 if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &data, &len) == -1) | |
| 600 return -1; | |
| 601 | |
| 602 return data; | |
| 603 } | |
| 604 | |
| 605 const char *net_gethosterror(int error) | |
| 606 { | |
| 607 #ifdef HAVE_IPV6 | |
| 608 i_assert(error != 0); | |
| 609 | |
| 610 return gai_strerror(error); | |
| 611 #else | |
| 612 switch (error) { | |
| 613 case HOST_NOT_FOUND: | |
| 614 return "Host not found"; | |
| 615 case NO_ADDRESS: | |
| 616 return "No IP address found for name"; | |
| 617 case NO_RECOVERY: | |
| 618 return "A non-recovable name server error occurred"; | |
| 619 case TRY_AGAIN: | |
| 620 return "A temporary error on an authoritative name server"; | |
| 621 } | |
| 622 | |
| 623 /* unknown error */ | |
| 624 return NULL; | |
| 625 #endif | |
| 626 } | |
| 627 | |
| 628 int net_hosterror_notfound(int error) | |
| 629 { | |
| 630 #ifdef HAVE_IPV6 | |
|
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
631 #ifdef EAI_NODATA /* NODATA is depricated */ |
| 0 | 632 return error != 1 && (error == EAI_NONAME || error == EAI_NODATA); |
| 633 #else | |
|
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
634 return error != 1 && (error == EAI_NONAME); |
|
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
635 #endif |
|
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
636 #else |
| 0 | 637 return error == HOST_NOT_FOUND || error == NO_ADDRESS; |
| 638 #endif | |
| 639 } | |
| 640 | |
|
2113
c5817f302aa6
net_gethostbyname() was broken with IPv6 enabled (wasn't really used with
Timo Sirainen <tss@iki.fi>
parents:
2098
diff
changeset
|
641 const char *net_getservbyport(unsigned short port) |
| 0 | 642 { |
| 643 struct servent *entry; | |
| 644 | |
| 349 | 645 entry = getservbyport(htons(port), "tcp"); |
| 0 | 646 return entry == NULL ? NULL : entry->s_name; |
| 647 } | |
| 648 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
649 bool is_ipv4_address(const char *addr) |
| 0 | 650 { |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
651 while (*addr != '\0') { |
|
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
652 if (*addr != '.' && !i_isdigit(*addr)) |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
653 return FALSE; |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
654 addr++; |
| 0 | 655 } |
| 656 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
657 return TRUE; |
| 0 | 658 } |
| 659 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
660 bool is_ipv6_address(const char *addr) |
| 0 | 661 { |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
662 while (*addr != '\0') { |
|
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
663 if (*addr != ':' && !i_isxdigit(*addr)) |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
664 return FALSE; |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
665 addr++; |
| 0 | 666 } |
| 667 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
3681
diff
changeset
|
668 return TRUE; |
| 0 | 669 } |