Mercurial > dovecot > core-2.2
annotate src/lib/network.c @ 13514:97135a53951e
Compile fix for OpenBSD.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Mon, 19 Sep 2011 18:28:14 +0300 |
| parents | 7b293478f609 |
| children | b020b9f7aa54 |
| rev | line source |
|---|---|
|
12782
447bce266022
Updated copyright notices to include year 2011.
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1 /* Copyright (c) 1999-2011 Dovecot authors, see the included COPYING file */ |
| 0 | 2 |
|
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Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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3 #define _GNU_SOURCE /* For Linux's struct ucred */ |
| 0 | 4 #include "lib.h" |
|
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Moved dupliated close_save_errno() code to public close_keep_errno() function.
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5 #include "close-keep-errno.h" |
|
3621
3ae2df67459c
Added fd_set_nonblock() and changed net_set_nonblock() to use it.
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6 #include "fd-set-nonblock.h" |
|
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Added net_connect_unix_with_retries().
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7 #include "time-util.h" |
| 0 | 8 #include "network.h" |
| 9 | |
|
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Created net_parse_range() from auth code.
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10 #include <stdlib.h> |
| 0 | 11 #include <unistd.h> |
| 12 #include <fcntl.h> | |
| 13 #include <ctype.h> | |
| 14 #include <sys/un.h> | |
| 15 #include <netinet/tcp.h> | |
|
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Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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16 #ifdef HAVE_UCRED_H |
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17 # include <ucred.h> /* for getpeerucred() */ |
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18 #endif |
| 0 | 19 |
| 20 union sockaddr_union { | |
| 21 struct sockaddr sa; | |
| 22 struct sockaddr_in sin; | |
| 23 #ifdef HAVE_IPV6 | |
| 24 struct sockaddr_in6 sin6; | |
| 25 #endif | |
| 26 }; | |
| 27 | |
| 13363 | 28 union sockaddr_union_unix { |
| 29 struct sockaddr sa; | |
| 30 struct sockaddr_un sun; | |
| 31 }; | |
| 32 | |
| 0 | 33 #ifdef HAVE_IPV6 |
| 34 # define SIZEOF_SOCKADDR(so) ((so).sa.sa_family == AF_INET6 ? \ | |
| 35 sizeof(so.sin6) : sizeof(so.sin)) | |
| 36 #else | |
| 37 # define SIZEOF_SOCKADDR(so) (sizeof(so.sin)) | |
| 38 #endif | |
| 39 | |
|
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Added "bool" type and changed all ints that were used as booleans to bool.
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40 bool net_ip_compare(const struct ip_addr *ip1, const struct ip_addr *ip2) |
| 0 | 41 { |
| 10789 | 42 return net_ip_cmp(ip1, ip2) == 0; |
| 43 } | |
| 44 | |
| 45 int net_ip_cmp(const struct ip_addr *ip1, const struct ip_addr *ip2) | |
| 46 { | |
| 0 | 47 if (ip1->family != ip2->family) |
| 10789 | 48 return ip1->family - ip2->family; |
| 0 | 49 |
| 50 #ifdef HAVE_IPV6 | |
| 10789 | 51 if (ip1->family == AF_INET6) |
| 52 return memcmp(&ip1->u.ip6, &ip2->u.ip6, sizeof(ip1->u.ip6)); | |
| 0 | 53 #endif |
| 54 | |
| 10789 | 55 return memcmp(&ip1->u.ip4, &ip2->u.ip4, sizeof(ip1->u.ip4)); |
| 0 | 56 } |
| 57 | |
| 5865 | 58 unsigned int net_ip_hash(const struct ip_addr *ip) |
| 59 { | |
|
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Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
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60 const unsigned char *p; |
| 5865 | 61 unsigned int len, g, h = 0; |
| 62 | |
| 63 #ifdef HAVE_IPV6 | |
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Changed struct ip_addr to use union for ipv4/ipv6 structs so we don't have
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64 if (ip->family == AF_INET6) { |
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65 p = ip->u.ip6.s6_addr; |
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66 len = sizeof(ip->u.ip6); |
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67 } else |
| 5865 | 68 #endif |
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69 { |
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70 return ip->u.ip4.s_addr; |
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71 } |
| 5865 | 72 |
| 73 for (; len > 0; len--, p++) { | |
| 74 h = (h << 4) + *p; | |
| 75 if ((g = h & 0xf0000000UL)) { | |
| 76 h = h ^ (g >> 24); | |
| 77 h = h ^ g; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 return h; | |
| 82 } | |
| 0 | 83 |
| 84 /* copy IP to sockaddr */ | |
|
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Naming style changes, finally got tired of most of the typedefs. Also the
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85 static inline void |
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86 sin_set_ip(union sockaddr_union *so, const struct ip_addr *ip) |
| 0 | 87 { |
| 88 if (ip == NULL) { | |
| 89 #ifdef HAVE_IPV6 | |
| 90 so->sin6.sin6_family = AF_INET6; | |
| 91 so->sin6.sin6_addr = in6addr_any; | |
| 92 #else | |
| 93 so->sin.sin_family = AF_INET; | |
| 94 so->sin.sin_addr.s_addr = INADDR_ANY; | |
| 95 #endif | |
| 96 return; | |
| 97 } | |
| 98 | |
| 99 so->sin.sin_family = ip->family; | |
| 100 #ifdef HAVE_IPV6 | |
| 101 if (ip->family == AF_INET6) | |
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102 memcpy(&so->sin6.sin6_addr, &ip->u.ip6, sizeof(ip->u.ip6)); |
| 0 | 103 else |
| 104 #endif | |
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105 memcpy(&so->sin.sin_addr, &ip->u.ip4, sizeof(ip->u.ip4)); |
| 0 | 106 } |
| 107 | |
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108 static inline void |
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109 sin_get_ip(const union sockaddr_union *so, struct ip_addr *ip) |
| 0 | 110 { |
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Make sure no data is leaked across processes via struct ip_addr fields.
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111 /* IP structs may be sent across processes. Clear the whole struct |
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112 first to make sure it won't leak any data across processes. */ |
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113 memset(ip, 0, sizeof(*ip)); |
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114 |
| 0 | 115 ip->family = so->sin.sin_family; |
| 116 | |
| 117 #ifdef HAVE_IPV6 | |
| 118 if (ip->family == AF_INET6) | |
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119 memcpy(&ip->u.ip6, &so->sin6.sin6_addr, sizeof(ip->u.ip6)); |
| 0 | 120 else |
| 121 #endif | |
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Don't return random data if net_getpeername() or net_getsockname() is used
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122 if (ip->family == AF_INET) |
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123 memcpy(&ip->u.ip4, &so->sin.sin_addr, sizeof(ip->u.ip4)); |
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124 else |
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125 memset(&ip->u, 0, sizeof(ip->u)); |
| 0 | 126 } |
| 127 | |
| 349 | 128 static inline void sin_set_port(union sockaddr_union *so, unsigned int port) |
| 0 | 129 { |
| 130 #ifdef HAVE_IPV6 | |
| 131 if (so->sin.sin_family == AF_INET6) | |
| 132 so->sin6.sin6_port = htons((unsigned short) port); | |
| 133 else | |
| 134 #endif | |
| 135 so->sin.sin_port = htons((unsigned short) port); | |
| 136 } | |
| 137 | |
| 349 | 138 static inline unsigned int sin_get_port(union sockaddr_union *so) |
| 0 | 139 { |
| 140 #ifdef HAVE_IPV6 | |
| 141 if (so->sin.sin_family == AF_INET6) | |
| 142 return ntohs(so->sin6.sin6_port); | |
| 143 #endif | |
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144 if (so->sin.sin_family == AF_INET) |
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145 return ntohs(so->sin.sin_port); |
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146 |
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147 return 0; |
| 0 | 148 } |
| 149 | |
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150 #ifdef __FreeBSD__ |
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151 static int |
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152 net_connect_ip_full_freebsd(const struct ip_addr *ip, unsigned int port, |
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153 const struct ip_addr *my_ip, bool blocking); |
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154 |
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155 static int net_connect_ip_full(const struct ip_addr *ip, unsigned int port, |
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156 const struct ip_addr *my_ip, bool blocking) |
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157 { |
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158 int fd, try; |
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159 |
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160 for (try = 0;;) { |
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161 fd = net_connect_ip_full_freebsd(ip, port, my_ip, blocking); |
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162 if (fd != -1 || ++try == 5 || |
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163 (errno != EADDRINUSE && errno != EACCES)) |
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164 break; |
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165 /* |
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166 This may be just a temporary problem: |
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167 |
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168 EADDRINUSE: busy |
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169 EACCES: pf may cause this if another connection used |
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170 the same port recently |
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171 */ |
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172 } |
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173 return fd; |
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174 } |
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175 /* then some kludging: */ |
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176 #define net_connect_ip_full net_connect_ip_full_freebsd |
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177 #endif |
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178 |
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179 static int net_connect_ip_full(const struct ip_addr *ip, unsigned int port, |
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180 const struct ip_addr *my_ip, bool blocking) |
| 0 | 181 { |
| 182 union sockaddr_union so; | |
| 183 int fd, ret, opt = 1; | |
| 184 | |
| 185 if (my_ip != NULL && ip->family != my_ip->family) { | |
| 186 i_warning("net_connect_ip(): ip->family != my_ip->family"); | |
| 187 my_ip = NULL; | |
| 188 } | |
| 189 | |
| 190 /* create the socket */ | |
| 191 memset(&so, 0, sizeof(so)); | |
| 192 so.sin.sin_family = ip->family; | |
| 193 fd = socket(ip->family, SOCK_STREAM, 0); | |
| 194 | |
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195 if (fd == -1) { |
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196 i_error("socket() failed: %m"); |
| 0 | 197 return -1; |
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198 } |
| 0 | 199 |
| 200 /* set socket options */ | |
| 201 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); | |
| 202 setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); | |
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203 if (!blocking) |
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204 net_set_nonblock(fd, TRUE); |
| 0 | 205 |
| 206 /* set our own address */ | |
| 207 if (my_ip != NULL) { | |
| 208 sin_set_ip(&so, my_ip); | |
| 209 if (bind(fd, &so.sa, SIZEOF_SOCKADDR(so)) == -1) { | |
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210 i_error("bind(%s) failed: %m", net_ip2addr(my_ip)); |
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211 close_keep_errno(fd); |
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212 return -1; |
| 0 | 213 } |
| 214 } | |
| 215 | |
| 216 /* connect */ | |
| 217 sin_set_ip(&so, ip); | |
| 218 sin_set_port(&so, port); | |
| 219 ret = connect(fd, &so.sa, SIZEOF_SOCKADDR(so)); | |
| 220 | |
| 221 #ifndef WIN32 | |
| 222 if (ret < 0 && errno != EINPROGRESS) | |
| 223 #else | |
| 224 if (ret < 0 && WSAGetLastError() != WSAEWOULDBLOCK) | |
| 225 #endif | |
| 226 { | |
|
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227 close_keep_errno(fd); |
| 0 | 228 return -1; |
| 229 } | |
| 230 | |
| 231 return fd; | |
| 232 } | |
|
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233 #ifdef __FreeBSD__ |
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234 # undef net_connect_ip_full |
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235 #endif |
| 0 | 236 |
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237 int net_connect_ip(const struct ip_addr *ip, unsigned int port, |
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238 const struct ip_addr *my_ip) |
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239 { |
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240 return net_connect_ip_full(ip, port, my_ip, FALSE); |
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241 } |
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242 |
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243 int net_connect_ip_blocking(const struct ip_addr *ip, unsigned int port, |
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244 const struct ip_addr *my_ip) |
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245 { |
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246 return net_connect_ip_full(ip, port, my_ip, TRUE); |
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247 } |
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248 |
| 11340 | 249 int net_try_bind(const struct ip_addr *ip) |
| 250 { | |
| 251 union sockaddr_union so; | |
| 252 int fd; | |
| 253 | |
| 254 /* create the socket */ | |
| 255 memset(&so, 0, sizeof(so)); | |
| 256 so.sin.sin_family = ip->family; | |
| 257 fd = socket(ip->family, SOCK_STREAM, 0); | |
| 258 if (fd == -1) { | |
| 259 i_error("socket() failed: %m"); | |
| 260 return -1; | |
| 261 } | |
| 262 | |
| 263 sin_set_ip(&so, ip); | |
| 264 if (bind(fd, &so.sa, SIZEOF_SOCKADDR(so)) == -1) { | |
| 265 close_keep_errno(fd); | |
| 266 return -1; | |
| 267 } | |
| 268 (void)close(fd); | |
| 269 return 0; | |
| 270 } | |
| 271 | |
| 0 | 272 int net_connect_unix(const char *path) |
| 273 { | |
|
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274 union { |
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275 struct sockaddr sa; |
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276 struct sockaddr_un un; |
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277 } sa; |
| 0 | 278 int fd, ret; |
| 279 | |
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280 memset(&sa, 0, sizeof(sa)); |
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281 sa.un.sun_family = AF_UNIX; |
|
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282 if (i_strocpy(sa.un.sun_path, path, sizeof(sa.un.sun_path)) < 0) { |
| 0 | 283 /* too long path */ |
| 284 errno = EINVAL; | |
| 285 return -1; | |
| 286 } | |
| 287 | |
| 288 /* create the socket */ | |
| 289 fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
|
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290 if (fd == -1) { |
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291 i_error("socket(%s) failed: %m", path); |
| 0 | 292 return -1; |
|
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293 } |
| 0 | 294 |
|
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295 net_set_nonblock(fd, TRUE); |
|
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296 |
| 0 | 297 /* connect */ |
|
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298 ret = connect(fd, &sa.sa, sizeof(sa)); |
| 0 | 299 if (ret < 0 && errno != EINPROGRESS) { |
|
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300 close_keep_errno(fd); |
| 0 | 301 return -1; |
| 302 } | |
| 303 | |
| 304 return fd; | |
| 305 } | |
| 306 | |
|
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307 int net_connect_unix_with_retries(const char *path, unsigned int msecs) |
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308 { |
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309 struct timeval start, now; |
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310 int fd; |
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311 |
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312 if (gettimeofday(&start, NULL) < 0) |
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313 i_panic("gettimeofday() failed: %m"); |
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314 |
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315 do { |
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316 fd = net_connect_unix(path); |
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317 if (fd != -1 || (errno != EAGAIN && errno != ECONNREFUSED)) |
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318 break; |
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319 |
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320 /* busy. wait for a while. */ |
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321 usleep(((rand() % 10) + 1) * 10000); |
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322 if (gettimeofday(&now, NULL) < 0) |
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323 i_panic("gettimeofday() failed: %m"); |
|
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324 } while (timeval_diff_msecs(&now, &start) < (int)msecs); |
|
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325 return fd; |
|
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326 } |
|
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327 |
| 0 | 328 void net_disconnect(int fd) |
| 329 { | |
|
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330 /* FreeBSD's close() fails with ECONNRESET if socket still has unsent |
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331 data in transmit buffer. We don't care. */ |
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332 if (close(fd) < 0 && errno != ECONNRESET) |
|
388
792fc5b3daa4
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333 i_error("net_disconnect() failed: %m"); |
| 0 | 334 } |
| 335 | |
|
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Added "bool" type and changed all ints that were used as booleans to bool.
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336 void net_set_nonblock(int fd, bool nonblock) |
| 0 | 337 { |
|
3621
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338 if (fd_set_nonblock(fd, nonblock) < 0) |
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339 i_fatal("fd_set_nonblock(%d) failed: %m", fd); |
| 0 | 340 } |
| 341 | |
|
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342 int net_set_cork(int fd ATTR_UNUSED, bool cork ATTR_UNUSED) |
| 0 | 343 { |
| 344 #ifdef TCP_CORK | |
|
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345 int val = cork; |
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346 |
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347 return setsockopt(fd, IPPROTO_TCP, TCP_CORK, &val, sizeof(val)); |
|
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348 #else |
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349 errno = ENOPROTOOPT; |
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350 return -1; |
| 0 | 351 #endif |
| 352 } | |
| 353 | |
|
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354 void net_get_ip_any4(struct ip_addr *ip) |
|
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355 { |
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356 ip->family = AF_INET; |
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357 ip->u.ip4.s_addr = INADDR_ANY; |
|
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358 } |
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359 |
|
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360 void net_get_ip_any6(struct ip_addr *ip) |
|
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361 { |
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362 #ifdef HAVE_IPV6 |
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363 ip->family = AF_INET6; |
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364 ip->u.ip6 = in6addr_any; |
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365 #else |
|
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366 memset(ip, 0, sizeof(struct ip_addr)); |
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367 #endif |
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368 } |
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369 |
|
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370 int net_listen(const struct ip_addr *my_ip, unsigned int *port, int backlog) |
| 0 | 371 { |
| 372 union sockaddr_union so; | |
| 373 int ret, fd, opt = 1; | |
| 374 socklen_t len; | |
| 375 | |
| 376 memset(&so, 0, sizeof(so)); | |
| 377 sin_set_port(&so, *port); | |
| 378 sin_set_ip(&so, my_ip); | |
| 379 | |
| 380 /* create the socket */ | |
| 381 fd = socket(so.sin.sin_family, SOCK_STREAM, 0); | |
| 382 #ifdef HAVE_IPV6 | |
|
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383 if (fd == -1 && my_ip == NULL && |
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384 (errno == EINVAL || errno == EAFNOSUPPORT)) { |
| 0 | 385 /* IPv6 is not supported by OS */ |
| 386 so.sin.sin_family = AF_INET; | |
| 387 so.sin.sin_addr.s_addr = INADDR_ANY; | |
| 388 | |
| 389 fd = socket(AF_INET, SOCK_STREAM, 0); | |
| 390 } | |
| 391 #endif | |
|
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392 if (fd == -1) { |
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393 i_error("socket() failed: %m"); |
| 0 | 394 return -1; |
|
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395 } |
| 0 | 396 |
| 397 /* set socket options */ | |
| 398 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); | |
| 399 setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); | |
| 400 | |
|
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401 /* If using IPv6, bind only to IPv6 if possible. This avoids |
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402 ambiguities with IPv4-mapped IPv6 addresses. */ |
|
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403 #ifdef IPV6_V6ONLY |
|
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|
404 if (so.sin.sin_family == AF_INET6) { |
|
7274
da971cec0395
[::] listens only for IPv6 addresses now. This gets rid of IPv4-mapped IPv6
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405 opt = 1; |
|
3373
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
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|
406 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
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|
407 } |
|
690dcc51cdc1
if using IPv6, bind both on the IPv4 and IPv6 addresses if IPV6_V6ONLY is
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|
408 #endif |
| 0 | 409 /* specify the address/port we want to listen in */ |
| 410 ret = bind(fd, &so.sa, SIZEOF_SOCKADDR(so)); | |
|
3537
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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parents:
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diff
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|
411 if (ret < 0) { |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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|
412 if (errno != EADDRINUSE) { |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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diff
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|
413 i_error("bind(%s, %u) failed: %m", |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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|
414 net_ip2addr(my_ip), *port); |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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|
415 } |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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diff
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|
416 } else { |
| 0 | 417 /* get the actual port we started listen */ |
| 418 len = SIZEOF_SOCKADDR(so); | |
| 419 ret = getsockname(fd, &so.sa, &len); | |
| 420 if (ret >= 0) { | |
| 421 *port = sin_get_port(&so); | |
| 422 | |
| 423 /* start listening */ | |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
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|
424 if (listen(fd, backlog) >= 0) |
|
3537
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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|
425 return fd; |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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|
426 |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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diff
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|
427 if (errno != EADDRINUSE) |
|
5ff3b88db948
net_listen(): Print bind() errors only if it's not EADDRINUSE. Also do the
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|
428 i_error("listen() failed: %m"); |
| 0 | 429 } |
| 430 } | |
| 431 | |
| 432 /* error */ | |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
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|
433 close_keep_errno(fd); |
| 0 | 434 return -1; |
| 435 } | |
| 436 | |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
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|
437 int net_listen_unix(const char *path, int backlog) |
| 0 | 438 { |
|
5985
8ae4b8d78a25
More union usage to avoid casting.
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diff
changeset
|
439 union { |
|
8ae4b8d78a25
More union usage to avoid casting.
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diff
changeset
|
440 struct sockaddr sa; |
|
8ae4b8d78a25
More union usage to avoid casting.
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diff
changeset
|
441 struct sockaddr_un un; |
|
8ae4b8d78a25
More union usage to avoid casting.
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|
442 } sa; |
| 0 | 443 int fd; |
| 444 | |
|
807
35abd7a5d381
Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
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diff
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|
445 memset(&sa, 0, sizeof(sa)); |
|
5985
8ae4b8d78a25
More union usage to avoid casting.
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|
446 sa.un.sun_family = AF_UNIX; |
|
6422
18173a52f721
Renamed strocpy() to i_strocpy().
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diff
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|
447 if (i_strocpy(sa.un.sun_path, path, sizeof(sa.un.sun_path)) < 0) { |
| 0 | 448 /* too long path */ |
| 449 errno = EINVAL; | |
| 450 return -1; | |
| 451 } | |
| 452 | |
| 453 /* create the socket */ | |
| 454 fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
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diff
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|
455 if (fd == -1) { |
|
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
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changeset
|
456 i_error("socket() failed: %m"); |
| 0 | 457 return -1; |
|
3523
d1ed3b3548db
Added some more error messages. Also if net_connect_ip() gives my_ip
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|
458 } |
| 0 | 459 |
| 460 /* bind */ | |
|
5985
8ae4b8d78a25
More union usage to avoid casting.
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diff
changeset
|
461 if (bind(fd, &sa.sa, sizeof(sa)) < 0) { |
|
3545
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
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diff
changeset
|
462 if (errno != EADDRINUSE) |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
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changeset
|
463 i_error("bind(%s) failed: %m", path); |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
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diff
changeset
|
464 } else { |
| 0 | 465 /* start listening */ |
|
3075
9cb91ed5a110
Added backlog parameter for net_listen*().
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diff
changeset
|
466 if (listen(fd, backlog) == 0) |
| 0 | 467 return fd; |
|
3545
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
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diff
changeset
|
468 |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
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diff
changeset
|
469 if (errno != EADDRINUSE) |
|
0b6539bc22b9
Don't log extra bind() errors for net_listen_unix() either
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diff
changeset
|
470 i_error("listen() failed: %m"); |
| 0 | 471 } |
| 472 | |
|
4011
323c09be5f00
Moved dupliated close_save_errno() code to public close_keep_errno() function.
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parents:
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diff
changeset
|
473 close_keep_errno(fd); |
| 0 | 474 return -1; |
| 475 } | |
| 476 | |
|
8219
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
477 int net_listen_unix_unlink_stale(const char *path, int backlog) |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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7919
diff
changeset
|
478 { |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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changeset
|
479 unsigned int i = 0; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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changeset
|
480 int fd; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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changeset
|
481 |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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diff
changeset
|
482 while ((fd = net_listen_unix(path, backlog)) == -1) { |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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7919
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changeset
|
483 if (errno != EADDRINUSE || ++i == 2) |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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diff
changeset
|
484 return -1; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
485 |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
486 /* see if it really exists */ |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
487 fd = net_connect_unix(path); |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
488 if (fd != -1 || errno != ECONNREFUSED) { |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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7919
diff
changeset
|
489 if (fd != -1) (void)close(fd); |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
490 errno = EADDRINUSE; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
491 return -1; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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7919
diff
changeset
|
492 } |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
493 |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
494 /* delete and try again */ |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
495 if (unlink(path) < 0 && errno != ENOENT) { |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
496 i_error("unlink(%s) failed: %m", path); |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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7919
diff
changeset
|
497 errno = EADDRINUSE; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
498 return -1; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
499 } |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
Timo Sirainen <tss@iki.fi>
parents:
7919
diff
changeset
|
500 } |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
501 return fd; |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
502 } |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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parents:
7919
diff
changeset
|
503 |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
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parents:
807
diff
changeset
|
504 int net_accept(int fd, struct ip_addr *addr, unsigned int *port) |
| 0 | 505 { |
| 506 union sockaddr_union so; | |
| 507 int ret; | |
| 508 socklen_t addrlen; | |
| 509 | |
| 510 i_assert(fd >= 0); | |
| 511 | |
| 512 addrlen = sizeof(so); | |
| 513 ret = accept(fd, &so.sa, &addrlen); | |
| 514 | |
|
680
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
515 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
|
516 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
|
517 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
|
518 else |
|
680
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
519 return -2; |
|
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
520 } |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
521 if (so.sin.sin_family == AF_UNIX) { |
|
12138
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
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parents:
11926
diff
changeset
|
522 if (addr != NULL) |
|
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
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parents:
11926
diff
changeset
|
523 memset(addr, 0, sizeof(*addr)); |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
524 if (port != NULL) *port = 0; |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
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parents:
11879
diff
changeset
|
525 } else { |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
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parents:
11879
diff
changeset
|
526 if (addr != NULL) sin_get_ip(&so, addr); |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
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parents:
11879
diff
changeset
|
527 if (port != NULL) *port = sin_get_port(&so); |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
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parents:
11879
diff
changeset
|
528 } |
| 0 | 529 return ret; |
| 530 } | |
| 531 | |
|
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
|
532 ssize_t net_receive(int fd, void *buf, size_t len) |
| 0 | 533 { |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
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parents:
159
diff
changeset
|
534 ssize_t ret; |
| 0 | 535 |
| 536 i_assert(fd >= 0); | |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
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parents:
159
diff
changeset
|
537 i_assert(len <= SSIZE_T_MAX); |
| 0 | 538 |
|
3681
771cd6776d4b
Use read() instead of recv() in net_receive(), so it works even with
Timo Sirainen <tss@iki.fi>
parents:
3621
diff
changeset
|
539 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
|
540 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
|
541 /* disconnected */ |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
542 errno = 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
543 return -2; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
544 } |
| 0 | 545 |
|
6825
85385079b044
Use likely() and unlikely() macros to make commonly checked error handling
Timo Sirainen <tss@iki.fi>
parents:
6666
diff
changeset
|
546 if (unlikely(ret < 0)) { |
|
781
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
547 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
|
548 return 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
549 |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
550 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
|
551 /* 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
|
552 return -2; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
553 } |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
554 } |
| 0 | 555 |
| 556 return ret; | |
| 557 } | |
| 558 | |
|
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
|
559 ssize_t net_transmit(int fd, const void *data, size_t len) |
| 0 | 560 { |
|
183
4a7ab9e94f25
size_t fixes for lib/. Changed OFF_T_FORMAT to PRIuOFF_T which is more
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parents:
159
diff
changeset
|
561 ssize_t ret; |
| 0 | 562 |
| 563 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
|
564 i_assert(len <= SSIZE_T_MAX); |
| 0 | 565 |
|
64
83ae914a583a
added t_strdup_noconst() which can be used instead of (char *) t_strdup().
Timo Sirainen <tss@iki.fi>
parents:
34
diff
changeset
|
566 ret = send(fd, data, len, 0); |
|
6825
85385079b044
Use likely() and unlikely() macros to make commonly checked error handling
Timo Sirainen <tss@iki.fi>
parents:
6666
diff
changeset
|
567 if (unlikely(ret == -1 && (errno == EINTR || errno == EAGAIN))) |
|
781
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
568 return 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
569 |
|
6825
85385079b044
Use likely() and unlikely() macros to make commonly checked error handling
Timo Sirainen <tss@iki.fi>
parents:
6666
diff
changeset
|
570 if (unlikely(errno == EPIPE)) |
|
781
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
571 return -2; |
| 0 | 572 |
| 573 return ret; | |
| 574 } | |
| 575 | |
|
4745
7ee0bb1b2d97
Changed ips_count to unsigned int in net_gethostbyname(). Also removed
Timo Sirainen <tss@iki.fi>
parents:
4699
diff
changeset
|
576 int net_gethostbyname(const char *addr, struct ip_addr **ips, |
|
7ee0bb1b2d97
Changed ips_count to unsigned int in net_gethostbyname(). Also removed
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parents:
4699
diff
changeset
|
577 unsigned int *ips_count) |
| 0 | 578 { |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
579 /* @UNSAFE */ |
| 0 | 580 #ifdef HAVE_IPV6 |
| 581 union sockaddr_union *so; | |
| 582 struct addrinfo hints, *ai, *origai; | |
| 583 int host_error; | |
| 584 #else | |
| 585 struct hostent *hp; | |
| 586 #endif | |
| 587 int count; | |
| 588 | |
| 589 *ips = NULL; | |
| 590 *ips_count = 0; | |
| 591 | |
| 592 #ifdef HAVE_IPV6 | |
| 593 memset(&hints, 0, sizeof(struct addrinfo)); | |
| 594 hints.ai_socktype = SOCK_STREAM; | |
| 595 | |
| 596 /* save error to host_error for later use */ | |
| 597 host_error = getaddrinfo(addr, NULL, &hints, &ai); | |
| 598 if (host_error != 0) | |
| 599 return host_error; | |
| 600 | |
| 601 /* get number of IPs */ | |
| 602 origai = ai; | |
| 603 for (count = 0; ai != NULL; ai = ai->ai_next) | |
| 604 count++; | |
| 605 | |
| 606 *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
|
607 *ips = t_malloc(sizeof(struct ip_addr) * count); |
| 0 | 608 |
| 609 count = 0; | |
| 610 for (ai = origai; ai != NULL; ai = ai->ai_next, count++) { | |
| 611 so = (union sockaddr_union *) ai->ai_addr; | |
| 612 | |
|
2113
c5817f302aa6
net_gethostbyname() was broken with IPv6 enabled (wasn't really used with
Timo Sirainen <tss@iki.fi>
parents:
2098
diff
changeset
|
613 sin_get_ip(so, &(*ips)[count]); |
| 0 | 614 } |
| 615 freeaddrinfo(origai); | |
| 616 #else | |
| 617 hp = gethostbyname(addr); | |
| 618 if (hp == NULL) | |
| 619 return h_errno; | |
| 620 | |
| 621 /* get number of IPs */ | |
| 622 count = 0; | |
| 623 while (hp->h_addr_list[count] != NULL) | |
| 624 count++; | |
| 625 | |
| 626 *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
|
627 *ips = t_malloc(sizeof(struct ip_addr) * count); |
| 0 | 628 |
| 629 while (count > 0) { | |
| 630 count--; | |
| 631 | |
| 632 (*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
|
633 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
|
634 sizeof((*ips)[count].u.ip4)); |
| 0 | 635 } |
| 636 #endif | |
| 637 | |
| 638 return 0; | |
| 639 } | |
| 640 | |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
641 int net_getsockname(int fd, struct ip_addr *addr, unsigned int *port) |
| 0 | 642 { |
| 643 union sockaddr_union so; | |
| 644 socklen_t addrlen; | |
| 645 | |
| 646 i_assert(fd >= 0); | |
| 647 | |
| 648 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
|
649 if (getsockname(fd, &so.sa, &addrlen) == -1) |
| 0 | 650 return -1; |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
651 if (so.sin.sin_family == AF_UNIX) { |
|
12138
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
Timo Sirainen <tss@iki.fi>
parents:
11926
diff
changeset
|
652 if (addr != NULL) |
|
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
Timo Sirainen <tss@iki.fi>
parents:
11926
diff
changeset
|
653 memset(addr, 0, sizeof(*addr)); |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
654 if (port != NULL) *port = 0; |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
655 } else { |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
656 if (addr != NULL) sin_get_ip(&so, addr); |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
657 if (port != NULL) *port = sin_get_port(&so); |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
658 } |
| 0 | 659 return 0; |
| 660 } | |
| 661 | |
| 2098 | 662 int net_getpeername(int fd, struct ip_addr *addr, unsigned int *port) |
| 663 { | |
| 664 union sockaddr_union so; | |
| 665 socklen_t addrlen; | |
| 666 | |
| 667 i_assert(fd >= 0); | |
| 668 | |
| 669 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
|
670 if (getpeername(fd, &so.sa, &addrlen) == -1) |
| 2098 | 671 return -1; |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
672 if (so.sin.sin_family == AF_UNIX) { |
|
12138
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
Timo Sirainen <tss@iki.fi>
parents:
11926
diff
changeset
|
673 if (addr != NULL) |
|
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
Timo Sirainen <tss@iki.fi>
parents:
11926
diff
changeset
|
674 memset(addr, 0, sizeof(*addr)); |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
675 if (port != NULL) *port = 0; |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
676 } else { |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
677 if (addr != NULL) sin_get_ip(&so, addr); |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
678 if (port != NULL) *port = sin_get_port(&so); |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
679 } |
| 2098 | 680 return 0; |
| 681 } | |
| 682 | |
| 9843 | 683 int net_getunixname(int fd, const char **name_r) |
| 684 { | |
| 13363 | 685 union sockaddr_union_unix so; |
| 686 socklen_t addrlen = sizeof(so); | |
| 9843 | 687 |
| 13363 | 688 if (getsockname(fd, &so.sa, &addrlen) < 0) |
| 9843 | 689 return -1; |
| 13363 | 690 if (so.sun.sun_family != AF_UNIX) { |
| 9843 | 691 errno = ENOTSOCK; |
| 692 return -1; | |
| 693 } | |
| 13363 | 694 *name_r = t_strdup(so.sun.sun_path); |
| 9843 | 695 return 0; |
| 696 } | |
| 697 | |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
698 int net_getunixcred(int fd, struct net_unix_cred *cred_r) |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
699 { |
| 13514 | 700 #if defined(HAVE_GETPEEREID) |
| 701 /* OSX 10.4+, FreeBSD 4.6+, OpenBSD 3.0+, NetBSD 5.0+ */ | |
| 702 if (getpeereid(fd, &cred_r->uid, &cred_r->gid) < 0) { | |
| 703 i_error("getpeereid() failed: %m"); | |
| 704 return -1; | |
| 705 } | |
| 706 return 0; | |
| 707 #elif defined(SO_PEERCRED) | |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
708 /* Linux */ |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
709 struct ucred ucred; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
710 socklen_t len = sizeof(ucred); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
711 |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
712 if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &len) < 0) { |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
713 i_error("getsockopt(SO_PEERCRED) failed: %m"); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
714 return -1; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
715 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
716 cred_r->uid = ucred.uid; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
717 cred_r->gid = ucred.gid; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
718 return 0; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
719 #elif defined(HAVE_GETPEERUCRED) |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
720 /* Solaris */ |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
721 ucred_t *ucred; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
722 |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
723 if (getpeerucred(fd, &ucred) < 0) { |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
724 i_error("getpeerucred() failed: %m"); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
725 return -1; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
726 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
727 cred_r->uid = ucred_geteuid(ucred); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
728 cred_r->gid = ucred_getrgid(ucred); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
729 ucred_free(ucred); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
730 |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
731 if (cred_r->uid == (uid_t)-1 || |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
732 cred_r->gid == (gid_t)-1) { |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
733 errno = EINVAL; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
734 return -1; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
735 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
736 return 0; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
737 #else |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
738 errno = EINVAL; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
739 return -1; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
740 #endif |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
741 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
742 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
743 const char *net_ip2addr(const struct ip_addr *ip) |
| 0 | 744 { |
| 745 #ifdef HAVE_IPV6 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
746 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
|
747 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
748 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
|
749 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
|
750 return NULL; |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
751 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
752 return t_strdup(addr); |
| 0 | 753 #else |
| 754 unsigned long ip4; | |
| 755 | |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
756 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
|
757 return NULL; |
| 0 | 758 |
|
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
|
759 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
|
760 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
|
761 (ip4 & 0xff000000UL) >> 24, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
762 (ip4 & 0x00ff0000) >> 16, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
763 (ip4 & 0x0000ff00) >> 8, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
764 (ip4 & 0x000000ff)); |
| 0 | 765 #endif |
| 766 } | |
| 767 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
768 int net_addr2ip(const char *addr, struct ip_addr *ip) |
| 0 | 769 { |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
770 int ret; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
771 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
772 if (strchr(addr, ':') != NULL) { |
| 0 | 773 /* IPv6 */ |
| 774 ip->family = AF_INET6; | |
| 775 #ifdef HAVE_IPV6 | |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
776 T_BEGIN { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
777 if (addr[0] == '[') { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
778 /* allow [ipv6 addr] */ |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
779 unsigned int len = strlen(addr); |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
780 if (addr[len-1] == ']') |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
781 addr = t_strndup(addr+1, len-2); |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
782 } |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
783 ret = inet_pton(AF_INET6, addr, &ip->u.ip6); |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
784 } T_END; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
785 if (ret == 0) |
| 0 | 786 return -1; |
| 787 #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
|
788 ip->u.ip4.s_addr = 0; |
| 0 | 789 #endif |
| 790 } else { | |
| 791 /* IPv4 */ | |
| 792 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
|
793 if (inet_aton(addr, &ip->u.ip4) == 0) |
| 0 | 794 return -1; |
| 795 } | |
| 796 | |
| 797 return 0; | |
| 798 } | |
| 799 | |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
800 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
|
801 struct ip_addr *dest) |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
802 { |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
803 #ifdef HAVE_IPV6 |
|
4699
9e4cc68b71b2
Fix net_ipv6_mapped_ipv4_convert() to be actually portable.
Timo Sirainen <tss@iki.fi>
parents:
4684
diff
changeset
|
804 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
|
805 { 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
|
806 |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
807 if (!IPADDR_IS_V6(src)) |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
808 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
|
809 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
|
810 return -1; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
811 |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
812 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
|
813 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
|
814 return 0; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
815 #else |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
816 return -1; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
817 #endif |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
818 } |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
819 |
| 0 | 820 int net_geterror(int fd) |
| 821 { | |
| 822 int data; | |
| 823 socklen_t len = sizeof(data); | |
| 824 | |
| 825 if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &data, &len) == -1) | |
| 826 return -1; | |
| 827 | |
| 828 return data; | |
| 829 } | |
| 830 | |
| 831 const char *net_gethosterror(int error) | |
| 832 { | |
| 833 #ifdef HAVE_IPV6 | |
| 834 i_assert(error != 0); | |
| 835 | |
| 836 return gai_strerror(error); | |
| 837 #else | |
| 838 switch (error) { | |
| 839 case HOST_NOT_FOUND: | |
| 840 return "Host not found"; | |
| 841 case NO_ADDRESS: | |
| 842 return "No IP address found for name"; | |
| 843 case NO_RECOVERY: | |
| 6666 | 844 return "A non-recoverable name server error occurred"; |
| 0 | 845 case TRY_AGAIN: |
| 846 return "A temporary error on an authoritative name server"; | |
| 847 } | |
| 848 | |
| 849 /* unknown error */ | |
| 850 return NULL; | |
| 851 #endif | |
| 852 } | |
| 853 | |
| 854 int net_hosterror_notfound(int error) | |
| 855 { | |
| 856 #ifdef HAVE_IPV6 | |
|
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
857 #ifdef EAI_NODATA /* NODATA is depricated */ |
| 0 | 858 return error != 1 && (error == EAI_NONAME || error == EAI_NODATA); |
| 859 #else | |
|
1915
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
860 return error != 1 && (error == EAI_NONAME); |
|
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
861 #endif |
|
79790750c349
importing new index code. mbox still broken.
Timo Sirainen <tss@iki.fi>
parents:
1871
diff
changeset
|
862 #else |
| 0 | 863 return error == HOST_NOT_FOUND || error == NO_ADDRESS; |
| 864 #endif | |
| 865 } | |
| 866 | |
|
2113
c5817f302aa6
net_gethostbyname() was broken with IPv6 enabled (wasn't really used with
Timo Sirainen <tss@iki.fi>
parents:
2098
diff
changeset
|
867 const char *net_getservbyport(unsigned short port) |
| 0 | 868 { |
| 869 struct servent *entry; | |
| 870 | |
| 349 | 871 entry = getservbyport(htons(port), "tcp"); |
| 0 | 872 return entry == NULL ? NULL : entry->s_name; |
| 873 } | |
| 874 | |
|
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
|
875 bool is_ipv4_address(const char *addr) |
| 0 | 876 { |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
877 while (*addr != '\0') { |
|
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
878 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
|
879 return FALSE; |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
880 addr++; |
| 0 | 881 } |
| 882 | |
|
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
|
883 return TRUE; |
| 0 | 884 } |
| 885 | |
|
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
|
886 bool is_ipv6_address(const char *addr) |
| 0 | 887 { |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
888 bool have_prefix = FALSE; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
889 |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
890 if (*addr == '[') { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
891 have_prefix = TRUE; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
892 addr++; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
893 } |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
894 while (*addr != '\0') { |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
895 if (*addr != ':' && !i_isxdigit(*addr)) { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
896 if (have_prefix && *addr == ']' && addr[1] == '\0') |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
897 break; |
|
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
|
898 return FALSE; |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
899 } |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
900 addr++; |
| 0 | 901 } |
| 902 | |
|
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
|
903 return TRUE; |
| 0 | 904 } |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
905 |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
906 int net_parse_range(const char *network, struct ip_addr *ip_r, |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
907 unsigned int *bits_r) |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
908 { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
909 const char *p; |
|
11086
260e190306b0
Started using str_to_*() functions instead of libc's ones.
Timo Sirainen <tss@iki.fi>
parents:
10789
diff
changeset
|
910 unsigned int bits, max_bits; |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
911 |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
912 p = strchr(network, '/'); |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
913 if (p != NULL) |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
914 network = t_strdup_until(network, p++); |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
915 |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
916 if (net_addr2ip(network, ip_r) < 0) |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
917 return -1; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
918 |
|
13290
d473660bc54d
liblib: Added IPADDR_BITS() macro.
Timo Sirainen <tss@iki.fi>
parents:
12887
diff
changeset
|
919 max_bits = IPADDR_BITS(ip_r); |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
920 if (p == NULL) { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
921 /* full IP address must match */ |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
922 bits = max_bits; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
923 } else { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
924 /* get the network mask */ |
|
11086
260e190306b0
Started using str_to_*() functions instead of libc's ones.
Timo Sirainen <tss@iki.fi>
parents:
10789
diff
changeset
|
925 if (str_to_uint(p, &bits) < 0 || bits > max_bits) |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
926 return -1; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
927 } |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
928 *bits_r = bits; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
929 return 0; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
930 } |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
931 |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
932 bool net_is_in_network(const struct ip_addr *ip, |
|
e0007da64cdc
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933 const struct ip_addr *net_ip, unsigned int bits) |
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934 { |
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Created net_parse_range() from auth code.
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935 struct ip_addr tmp_ip; |
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936 const uint32_t *ip1, *ip2; |
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937 uint32_t mask, i1, i2; |
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938 unsigned int pos, i; |
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939 |
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940 if (net_ipv6_mapped_ipv4_convert(ip, &tmp_ip) == 0) { |
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941 /* IPv4 address mapped disguised as IPv6 address */ |
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942 ip = &tmp_ip; |
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943 } |
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944 |
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Moved net_is_in_network() to lib/network.c.
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945 if (IPADDR_IS_V4(ip) != IPADDR_IS_V4(net_ip)) { |
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Moved net_is_in_network() to lib/network.c.
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946 /* one is IPv6 and one is IPv4 */ |
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Moved net_is_in_network() to lib/network.c.
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947 return FALSE; |
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Moved net_is_in_network() to lib/network.c.
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948 } |
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Moved net_is_in_network() to lib/network.c.
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949 i_assert(IPADDR_IS_V6(ip) == IPADDR_IS_V6(net_ip)); |
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Moved net_is_in_network() to lib/network.c.
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950 |
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Moved net_is_in_network() to lib/network.c.
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951 if (IPADDR_IS_V4(ip)) { |
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Moved net_is_in_network() to lib/network.c.
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952 ip1 = &ip->u.ip4.s_addr; |
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Moved net_is_in_network() to lib/network.c.
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953 ip2 = &net_ip->u.ip4.s_addr; |
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954 } else { |
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Moved net_is_in_network() to lib/network.c.
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955 #ifdef HAVE_IPV6 |
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956 ip1 = (const void *)&ip->u.ip6; |
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957 ip2 = (const void *)&net_ip->u.ip6; |
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958 #else |
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959 /* shouldn't get here */ |
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Moved net_is_in_network() to lib/network.c.
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960 return FALSE; |
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961 #endif |
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962 } |
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Moved net_is_in_network() to lib/network.c.
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963 |
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Moved net_is_in_network() to lib/network.c.
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964 /* check first the full 32bit ints */ |
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Moved net_is_in_network() to lib/network.c.
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965 for (pos = 0, i = 0; pos + 32 <= bits; pos += 32, i++) { |
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Moved net_is_in_network() to lib/network.c.
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966 if (ip1[i] != ip2[i]) |
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Moved net_is_in_network() to lib/network.c.
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967 return FALSE; |
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Moved net_is_in_network() to lib/network.c.
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968 } |
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969 i1 = htonl(ip1[i]); |
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970 i2 = htonl(ip2[i]); |
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Moved net_is_in_network() to lib/network.c.
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971 |
|
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Moved net_is_in_network() to lib/network.c.
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972 /* check the last full bytes */ |
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973 for (mask = 0xff000000; pos + 8 <= bits; pos += 8, mask >>= 8) { |
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974 if ((i1 & mask) != (i2 & mask)) |
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Moved net_is_in_network() to lib/network.c.
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975 return FALSE; |
|
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Moved net_is_in_network() to lib/network.c.
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976 } |
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Moved net_is_in_network() to lib/network.c.
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977 |
|
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Moved net_is_in_network() to lib/network.c.
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978 /* check the last bits, they're reversed in bytes */ |
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Moved net_is_in_network() to lib/network.c.
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979 bits -= pos; |
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980 for (mask = 0x80000000 >> (pos % 32); bits > 0; bits--, mask >>= 1) { |
|
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981 if ((i1 & mask) != (i2 & mask)) |
|
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Moved net_is_in_network() to lib/network.c.
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|
982 return FALSE; |
|
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Moved net_is_in_network() to lib/network.c.
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983 } |
|
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Moved net_is_in_network() to lib/network.c.
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984 return TRUE; |
|
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Moved net_is_in_network() to lib/network.c.
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985 } |