Mercurial > dovecot > core-2.2
annotate src/lib/net.c @ 17130:add8c00fb3cc
Updated copyright notices to include year 2014.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Tue, 04 Feb 2014 16:23:22 -0500 |
| parents | 93cf0434dda4 |
| children | e279bd060c28 |
| rev | line source |
|---|---|
|
17130
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Updated copyright notices to include year 2014.
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1 /* Copyright (c) 1999-2014 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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Added fd_set_nonblock() and changed net_set_nonblock() to use it.
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5 #include "fd-set-nonblock.h" |
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Added net_connect_unix_with_retries().
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6 #include "time-util.h" |
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Renamed network.[ch] to net.[ch].
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7 #include "net.h" |
| 0 | 8 |
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Created net_parse_range() from auth code.
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9 #include <stdlib.h> |
| 0 | 10 #include <unistd.h> |
| 11 #include <fcntl.h> | |
| 12 #include <ctype.h> | |
| 13 #include <sys/un.h> | |
| 14 #include <netinet/tcp.h> | |
|
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Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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15 #if defined(HAVE_UCRED_H) |
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16 # include <ucred.h> /* for getpeerucred() */ |
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17 #elif defined(HAVE_SYS_UCRED_H) |
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18 # include <sys/ucred.h> /* for FreeBSD struct xucred */ |
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19 #endif |
| 0 | 20 |
| 21 union sockaddr_union { | |
| 22 struct sockaddr sa; | |
| 23 struct sockaddr_in sin; | |
| 24 #ifdef HAVE_IPV6 | |
| 25 struct sockaddr_in6 sin6; | |
| 26 #endif | |
| 27 }; | |
| 28 | |
| 13363 | 29 union sockaddr_union_unix { |
| 30 struct sockaddr sa; | |
| 13557 | 31 struct sockaddr_un un; |
| 13363 | 32 }; |
| 33 | |
| 0 | 34 #ifdef HAVE_IPV6 |
| 35 # define SIZEOF_SOCKADDR(so) ((so).sa.sa_family == AF_INET6 ? \ | |
| 36 sizeof(so.sin6) : sizeof(so.sin)) | |
| 37 #else | |
| 38 # define SIZEOF_SOCKADDR(so) (sizeof(so.sin)) | |
| 39 #endif | |
| 40 | |
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net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
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41 #if !defined(HAVE_GETPEEREID) && !defined(SO_PEERCRED) && !defined(HAVE_GETPEERUCRED) && defined(MSG_WAITALL) && defined(LOCAL_CREDS) |
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42 # define NEEDS_LOCAL_CREDS 1 |
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43 #endif |
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44 |
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45 bool net_ip_compare(const struct ip_addr *ip1, const struct ip_addr *ip2) |
| 0 | 46 { |
| 10789 | 47 return net_ip_cmp(ip1, ip2) == 0; |
| 48 } | |
| 49 | |
| 50 int net_ip_cmp(const struct ip_addr *ip1, const struct ip_addr *ip2) | |
| 51 { | |
| 0 | 52 if (ip1->family != ip2->family) |
| 10789 | 53 return ip1->family - ip2->family; |
| 0 | 54 |
| 55 #ifdef HAVE_IPV6 | |
| 10789 | 56 if (ip1->family == AF_INET6) |
| 57 return memcmp(&ip1->u.ip6, &ip2->u.ip6, sizeof(ip1->u.ip6)); | |
| 0 | 58 #endif |
| 59 | |
| 10789 | 60 return memcmp(&ip1->u.ip4, &ip2->u.ip4, sizeof(ip1->u.ip4)); |
| 0 | 61 } |
| 62 | |
| 5865 | 63 unsigned int net_ip_hash(const struct ip_addr *ip) |
| 64 { | |
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65 const unsigned char *p; |
| 5865 | 66 unsigned int len, g, h = 0; |
| 67 | |
| 68 #ifdef HAVE_IPV6 | |
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69 if (ip->family == AF_INET6) { |
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70 p = ip->u.ip6.s6_addr; |
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71 len = sizeof(ip->u.ip6); |
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72 } else |
| 5865 | 73 #endif |
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74 { |
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75 return ip->u.ip4.s_addr; |
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76 } |
| 5865 | 77 |
| 78 for (; len > 0; len--, p++) { | |
| 79 h = (h << 4) + *p; | |
| 80 if ((g = h & 0xf0000000UL)) { | |
| 81 h = h ^ (g >> 24); | |
| 82 h = h ^ g; | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 return h; | |
| 87 } | |
| 0 | 88 |
| 89 /* copy IP to sockaddr */ | |
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90 static inline void |
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91 sin_set_ip(union sockaddr_union *so, const struct ip_addr *ip) |
| 0 | 92 { |
| 93 if (ip == NULL) { | |
| 94 #ifdef HAVE_IPV6 | |
| 95 so->sin6.sin6_family = AF_INET6; | |
| 96 so->sin6.sin6_addr = in6addr_any; | |
| 97 #else | |
| 98 so->sin.sin_family = AF_INET; | |
| 99 so->sin.sin_addr.s_addr = INADDR_ANY; | |
| 100 #endif | |
| 101 return; | |
| 102 } | |
| 103 | |
| 104 so->sin.sin_family = ip->family; | |
| 105 #ifdef HAVE_IPV6 | |
| 106 if (ip->family == AF_INET6) | |
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107 memcpy(&so->sin6.sin6_addr, &ip->u.ip6, sizeof(ip->u.ip6)); |
| 0 | 108 else |
| 109 #endif | |
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110 memcpy(&so->sin.sin_addr, &ip->u.ip4, sizeof(ip->u.ip4)); |
| 0 | 111 } |
| 112 | |
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113 static inline void |
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114 sin_get_ip(const union sockaddr_union *so, struct ip_addr *ip) |
| 0 | 115 { |
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116 /* IP structs may be sent across processes. Clear the whole struct |
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117 first to make sure it won't leak any data across processes. */ |
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118 memset(ip, 0, sizeof(*ip)); |
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119 |
| 0 | 120 ip->family = so->sin.sin_family; |
| 121 | |
| 122 #ifdef HAVE_IPV6 | |
| 123 if (ip->family == AF_INET6) | |
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124 memcpy(&ip->u.ip6, &so->sin6.sin6_addr, sizeof(ip->u.ip6)); |
| 0 | 125 else |
| 126 #endif | |
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127 if (ip->family == AF_INET) |
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128 memcpy(&ip->u.ip4, &so->sin.sin_addr, sizeof(ip->u.ip4)); |
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129 else |
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130 memset(&ip->u, 0, sizeof(ip->u)); |
| 0 | 131 } |
| 132 | |
| 349 | 133 static inline void sin_set_port(union sockaddr_union *so, unsigned int port) |
| 0 | 134 { |
| 135 #ifdef HAVE_IPV6 | |
| 136 if (so->sin.sin_family == AF_INET6) | |
| 137 so->sin6.sin6_port = htons((unsigned short) port); | |
| 138 else | |
| 139 #endif | |
| 140 so->sin.sin_port = htons((unsigned short) port); | |
| 141 } | |
| 142 | |
| 349 | 143 static inline unsigned int sin_get_port(union sockaddr_union *so) |
| 0 | 144 { |
| 145 #ifdef HAVE_IPV6 | |
| 146 if (so->sin.sin_family == AF_INET6) | |
| 147 return ntohs(so->sin6.sin6_port); | |
| 148 #endif | |
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149 if (so->sin.sin_family == AF_INET) |
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150 return ntohs(so->sin.sin_port); |
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151 |
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152 return 0; |
| 0 | 153 } |
| 154 | |
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155 #ifdef __FreeBSD__ |
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156 static int |
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157 net_connect_ip_full_freebsd(const struct ip_addr *ip, unsigned int port, |
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158 const struct ip_addr *my_ip, bool blocking); |
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159 |
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160 static int net_connect_ip_full(const struct ip_addr *ip, unsigned int port, |
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161 const struct ip_addr *my_ip, bool blocking) |
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162 { |
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163 int fd, try; |
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164 |
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165 for (try = 0;;) { |
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166 fd = net_connect_ip_full_freebsd(ip, port, my_ip, blocking); |
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167 if (fd != -1 || ++try == 5 || |
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168 (errno != EADDRINUSE && errno != EACCES)) |
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169 break; |
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170 /* |
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171 This may be just a temporary problem: |
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172 |
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173 EADDRINUSE: busy |
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174 EACCES: pf may cause this if another connection used |
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175 the same port recently |
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176 */ |
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177 } |
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178 return fd; |
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179 } |
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180 /* then some kludging: */ |
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181 #define net_connect_ip_full net_connect_ip_full_freebsd |
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182 #endif |
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183 |
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184 static int net_connect_ip_full(const struct ip_addr *ip, unsigned int port, |
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185 const struct ip_addr *my_ip, bool blocking) |
| 0 | 186 { |
| 187 union sockaddr_union so; | |
| 188 int fd, ret, opt = 1; | |
| 189 | |
| 190 if (my_ip != NULL && ip->family != my_ip->family) { | |
| 191 i_warning("net_connect_ip(): ip->family != my_ip->family"); | |
| 192 my_ip = NULL; | |
| 193 } | |
| 194 | |
| 195 /* create the socket */ | |
| 196 memset(&so, 0, sizeof(so)); | |
| 197 so.sin.sin_family = ip->family; | |
| 198 fd = socket(ip->family, SOCK_STREAM, 0); | |
| 199 | |
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200 if (fd == -1) { |
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201 i_error("socket() failed: %m"); |
| 0 | 202 return -1; |
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203 } |
| 0 | 204 |
| 205 /* set socket options */ | |
| 206 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); | |
| 207 setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); | |
|
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208 if (!blocking) |
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209 net_set_nonblock(fd, TRUE); |
| 0 | 210 |
| 211 /* set our own address */ | |
| 212 if (my_ip != NULL) { | |
| 213 sin_set_ip(&so, my_ip); | |
| 214 if (bind(fd, &so.sa, SIZEOF_SOCKADDR(so)) == -1) { | |
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215 i_error("bind(%s) failed: %m", net_ip2addr(my_ip)); |
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216 i_close_fd(&fd); |
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217 return -1; |
| 0 | 218 } |
| 219 } | |
| 220 | |
| 221 /* connect */ | |
| 222 sin_set_ip(&so, ip); | |
| 223 sin_set_port(&so, port); | |
| 224 ret = connect(fd, &so.sa, SIZEOF_SOCKADDR(so)); | |
| 225 | |
| 226 #ifndef WIN32 | |
| 227 if (ret < 0 && errno != EINPROGRESS) | |
| 228 #else | |
| 229 if (ret < 0 && WSAGetLastError() != WSAEWOULDBLOCK) | |
| 230 #endif | |
| 231 { | |
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232 i_close_fd(&fd); |
| 0 | 233 return -1; |
| 234 } | |
| 235 | |
| 236 return fd; | |
| 237 } | |
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238 #ifdef __FreeBSD__ |
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239 # undef net_connect_ip_full |
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240 #endif |
| 0 | 241 |
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242 int net_connect_ip(const struct ip_addr *ip, unsigned int port, |
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243 const struct ip_addr *my_ip) |
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244 { |
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245 return net_connect_ip_full(ip, port, my_ip, FALSE); |
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246 } |
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247 |
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248 int net_connect_ip_blocking(const struct ip_addr *ip, unsigned int port, |
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249 const struct ip_addr *my_ip) |
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250 { |
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251 return net_connect_ip_full(ip, port, my_ip, TRUE); |
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252 } |
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253 |
| 11340 | 254 int net_try_bind(const struct ip_addr *ip) |
| 255 { | |
| 256 union sockaddr_union so; | |
| 257 int fd; | |
| 258 | |
| 259 /* create the socket */ | |
| 260 memset(&so, 0, sizeof(so)); | |
| 261 so.sin.sin_family = ip->family; | |
| 262 fd = socket(ip->family, SOCK_STREAM, 0); | |
| 263 if (fd == -1) { | |
| 264 i_error("socket() failed: %m"); | |
| 265 return -1; | |
| 266 } | |
| 267 | |
| 268 sin_set_ip(&so, ip); | |
| 269 if (bind(fd, &so.sa, SIZEOF_SOCKADDR(so)) == -1) { | |
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270 i_close_fd(&fd); |
| 11340 | 271 return -1; |
| 272 } | |
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273 i_close_fd(&fd); |
| 11340 | 274 return 0; |
| 275 } | |
| 276 | |
| 0 | 277 int net_connect_unix(const char *path) |
| 278 { | |
| 13557 | 279 union sockaddr_union_unix sa; |
| 0 | 280 int fd, ret; |
| 281 | |
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282 memset(&sa, 0, sizeof(sa)); |
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283 sa.un.sun_family = AF_UNIX; |
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284 if (i_strocpy(sa.un.sun_path, path, sizeof(sa.un.sun_path)) < 0) { |
| 0 | 285 /* too long path */ |
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286 #ifdef ENAMETOOLONG |
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287 errno = ENAMETOOLONG; |
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288 #else |
| 0 | 289 errno = EINVAL; |
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290 #endif |
| 0 | 291 return -1; |
| 292 } | |
| 293 | |
| 294 /* create the socket */ | |
| 295 fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
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296 if (fd == -1) { |
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297 i_error("socket(%s) failed: %m", path); |
| 0 | 298 return -1; |
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299 } |
| 0 | 300 |
|
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301 net_set_nonblock(fd, TRUE); |
|
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302 |
| 0 | 303 /* connect */ |
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304 ret = connect(fd, &sa.sa, sizeof(sa)); |
| 0 | 305 if (ret < 0 && errno != EINPROGRESS) { |
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306 i_close_fd(&fd); |
| 0 | 307 return -1; |
| 308 } | |
| 309 | |
|
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310 #ifdef NEEDS_LOCAL_CREDS |
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311 { |
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312 int on = 1; |
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313 if (setsockopt(fd, 0, LOCAL_CREDS, &on, sizeof on)) { |
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314 i_error("setsockopt(LOCAL_CREDS) failed: %m"); |
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315 return -1; |
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316 } |
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317 } |
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318 #endif |
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319 |
| 0 | 320 return fd; |
| 321 } | |
| 322 | |
|
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323 int net_connect_unix_with_retries(const char *path, unsigned int msecs) |
|
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324 { |
|
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325 struct timeval start, now; |
|
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326 int fd; |
|
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327 |
|
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328 if (gettimeofday(&start, NULL) < 0) |
|
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329 i_panic("gettimeofday() failed: %m"); |
|
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330 |
|
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331 do { |
|
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332 fd = net_connect_unix(path); |
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333 if (fd != -1 || (errno != EAGAIN && errno != ECONNREFUSED)) |
|
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334 break; |
|
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335 |
|
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336 /* busy. wait for a while. */ |
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337 usleep(((rand() % 10) + 1) * 10000); |
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338 if (gettimeofday(&now, NULL) < 0) |
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339 i_panic("gettimeofday() failed: %m"); |
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340 } while (timeval_diff_msecs(&now, &start) < (int)msecs); |
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341 return fd; |
|
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342 } |
|
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343 |
| 0 | 344 void net_disconnect(int fd) |
| 345 { | |
|
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346 /* FreeBSD's close() fails with ECONNRESET if socket still has unsent |
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347 data in transmit buffer. We don't care. */ |
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348 if (close(fd) < 0 && errno != ECONNRESET) |
|
388
792fc5b3daa4
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349 i_error("net_disconnect() failed: %m"); |
| 0 | 350 } |
| 351 | |
|
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352 void net_set_nonblock(int fd, bool nonblock) |
| 0 | 353 { |
|
14634
a65006d95d53
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354 fd_set_nonblock(fd, nonblock); |
| 0 | 355 } |
| 356 | |
|
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Renamed __attr_*__ to ATTR_*. Renamed __attrs_used__ to ATTRS_DEFINED.
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357 int net_set_cork(int fd ATTR_UNUSED, bool cork ATTR_UNUSED) |
| 0 | 358 { |
| 359 #ifdef TCP_CORK | |
|
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360 int val = cork; |
|
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361 |
|
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362 return setsockopt(fd, IPPROTO_TCP, TCP_CORK, &val, sizeof(val)); |
|
410
1f0e7229ee58
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363 #else |
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364 errno = ENOPROTOOPT; |
|
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365 return -1; |
| 0 | 366 #endif |
| 367 } | |
| 368 | |
|
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369 void net_get_ip_any4(struct ip_addr *ip) |
|
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370 { |
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371 ip->family = AF_INET; |
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372 ip->u.ip4.s_addr = INADDR_ANY; |
|
780
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373 } |
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374 |
|
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375 void net_get_ip_any6(struct ip_addr *ip) |
|
780
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376 { |
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377 #ifdef HAVE_IPV6 |
|
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378 ip->family = AF_INET6; |
|
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379 ip->u.ip6 = in6addr_any; |
|
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380 #else |
|
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Naming style changes, finally got tired of most of the typedefs. Also the
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381 memset(ip, 0, sizeof(struct ip_addr)); |
|
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382 #endif |
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383 } |
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384 |
|
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385 int net_listen(const struct ip_addr *my_ip, unsigned int *port, int backlog) |
| 0 | 386 { |
|
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387 enum net_listen_flags flags = 0; |
|
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388 |
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389 return net_listen_full(my_ip, port, &flags, backlog); |
|
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390 } |
|
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391 |
|
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392 int net_listen_full(const struct ip_addr *my_ip, unsigned int *port, |
|
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393 enum net_listen_flags *flags, int backlog) |
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|
394 { |
| 0 | 395 union sockaddr_union so; |
| 396 int ret, fd, opt = 1; | |
| 397 socklen_t len; | |
| 398 | |
| 399 memset(&so, 0, sizeof(so)); | |
| 400 sin_set_port(&so, *port); | |
| 401 sin_set_ip(&so, my_ip); | |
| 402 | |
| 403 /* create the socket */ | |
| 404 fd = socket(so.sin.sin_family, SOCK_STREAM, 0); | |
| 405 #ifdef HAVE_IPV6 | |
|
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406 if (fd == -1 && my_ip == NULL && |
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|
407 (errno == EINVAL || errno == EAFNOSUPPORT)) { |
| 0 | 408 /* IPv6 is not supported by OS */ |
| 409 so.sin.sin_family = AF_INET; | |
| 410 so.sin.sin_addr.s_addr = INADDR_ANY; | |
| 411 | |
| 412 fd = socket(AF_INET, SOCK_STREAM, 0); | |
| 413 } | |
| 414 #endif | |
|
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415 if (fd == -1) { |
|
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416 i_error("socket() failed: %m"); |
| 0 | 417 return -1; |
|
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418 } |
| 0 | 419 |
| 420 /* set socket options */ | |
| 421 setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); | |
| 422 setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); | |
| 423 | |
|
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424 if ((*flags & NET_LISTEN_FLAG_REUSEPORT) != 0) { |
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425 #ifdef SO_REUSEPORT |
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426 if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, |
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427 &opt, sizeof(opt)) < 0) |
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428 #endif |
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429 *flags &= ~NET_LISTEN_FLAG_REUSEPORT; |
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430 } |
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431 |
|
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432 /* If using IPv6, bind only to IPv6 if possible. This avoids |
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433 ambiguities with IPv4-mapped IPv6 addresses. */ |
|
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434 #ifdef IPV6_V6ONLY |
|
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435 if (so.sin.sin_family == AF_INET6) { |
|
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436 opt = 1; |
|
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437 setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt)); |
|
690dcc51cdc1
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438 } |
|
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439 #endif |
| 0 | 440 /* specify the address/port we want to listen in */ |
| 441 ret = bind(fd, &so.sa, SIZEOF_SOCKADDR(so)); | |
|
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442 if (ret < 0) { |
|
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443 if (errno != EADDRINUSE) { |
|
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444 i_error("bind(%s, %u) failed: %m", |
|
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|
445 my_ip == NULL ? "" : net_ip2addr(my_ip), *port); |
|
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446 } |
|
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447 } else { |
| 0 | 448 /* get the actual port we started listen */ |
| 449 len = SIZEOF_SOCKADDR(so); | |
| 450 ret = getsockname(fd, &so.sa, &len); | |
| 451 if (ret >= 0) { | |
| 452 *port = sin_get_port(&so); | |
| 453 | |
| 454 /* start listening */ | |
|
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455 if (listen(fd, backlog) >= 0) |
|
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456 return fd; |
|
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457 |
|
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458 if (errno != EADDRINUSE) |
|
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|
459 i_error("listen() failed: %m"); |
| 0 | 460 } |
| 461 } | |
| 462 | |
| 463 /* error */ | |
|
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Changed i_close_fd() API to set the fd to -1 after closing.
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|
464 i_close_fd(&fd); |
| 0 | 465 return -1; |
| 466 } | |
| 467 | |
|
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|
468 int net_listen_unix(const char *path, int backlog) |
| 0 | 469 { |
|
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|
470 union { |
|
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|
471 struct sockaddr sa; |
|
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|
472 struct sockaddr_un un; |
|
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473 } sa; |
| 0 | 474 int fd; |
| 475 | |
|
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Buffer related cleanups. Use PATH_MAX instead of hardcoded 1024 for paths.
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476 memset(&sa, 0, sizeof(sa)); |
|
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|
477 sa.un.sun_family = AF_UNIX; |
|
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Renamed strocpy() to i_strocpy().
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|
478 if (i_strocpy(sa.un.sun_path, path, sizeof(sa.un.sun_path)) < 0) { |
| 0 | 479 /* too long path */ |
|
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|
480 errno = EOVERFLOW; |
| 0 | 481 return -1; |
| 482 } | |
| 483 | |
| 484 /* create the socket */ | |
| 485 fd = socket(PF_UNIX, SOCK_STREAM, 0); | |
|
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Added some more error messages. Also if net_connect_ip() gives my_ip
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486 if (fd == -1) { |
|
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Added some more error messages. Also if net_connect_ip() gives my_ip
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|
487 i_error("socket() failed: %m"); |
| 0 | 488 return -1; |
|
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Added some more error messages. Also if net_connect_ip() gives my_ip
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489 } |
| 0 | 490 |
|
16276
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
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|
491 #ifdef NEEDS_LOCAL_CREDS |
|
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492 { |
|
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493 int on = 1; |
|
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494 if (setsockopt(fd, 0, LOCAL_CREDS, &on, sizeof on)) { |
|
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|
495 i_error("setsockopt(LOCAL_CREDS) failed: %m"); |
|
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496 return -1; |
|
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net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
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497 } |
|
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498 } |
|
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|
499 #endif |
|
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|
500 |
| 0 | 501 /* bind */ |
|
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502 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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|
503 if (errno != EADDRINUSE) |
|
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504 i_error("bind(%s) failed: %m", path); |
|
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Don't log extra bind() errors for net_listen_unix() either
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505 } else { |
| 0 | 506 /* start listening */ |
|
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Added backlog parameter for net_listen*().
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|
507 if (listen(fd, backlog) == 0) |
| 0 | 508 return fd; |
|
3545
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Don't log extra bind() errors for net_listen_unix() either
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|
509 |
|
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Don't log extra bind() errors for net_listen_unix() either
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|
510 if (errno != EADDRINUSE) |
|
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Don't log extra bind() errors for net_listen_unix() either
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|
511 i_error("listen() failed: %m"); |
| 0 | 512 } |
| 513 | |
|
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Changed i_close_fd() API to set the fd to -1 after closing.
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|
514 i_close_fd(&fd); |
| 0 | 515 return -1; |
| 516 } | |
| 517 | |
|
8219
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
518 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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519 { |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
520 unsigned int i = 0; |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
521 int fd; |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
522 |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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523 while ((fd = net_listen_unix(path, backlog)) == -1) { |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
524 if (errno != EADDRINUSE || ++i == 2) |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
525 return -1; |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
526 |
|
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
527 /* see if it really exists */ |
|
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Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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|
528 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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|
529 if (fd != -1 || errno != ECONNREFUSED) { |
|
14691
3945a3646c67
Changed i_close_fd() API to set the fd to -1 after closing.
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|
530 if (fd != -1) i_close_fd(&fd); |
|
8219
ec83f6dcb585
Added net_listen_unix_unlink_stale() and use it where needed to avoid code duplication.
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changeset
|
531 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
|
532 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
|
533 } |
|
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
|
534 |
|
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
|
535 /* delete and try again */ |
|
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
|
536 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
|
537 i_error("unlink(%s) failed: %m", path); |
|
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
|
538 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
|
539 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
|
540 } |
|
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
|
541 } |
|
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
|
542 return fd; |
|
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
|
543 } |
|
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
|
544 |
|
14629
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14576
diff
changeset
|
545 int net_accept(int fd, struct ip_addr *addr_r, unsigned int *port_r) |
| 0 | 546 { |
| 547 union sockaddr_union so; | |
| 548 int ret; | |
| 549 socklen_t addrlen; | |
| 550 | |
| 551 i_assert(fd >= 0); | |
| 552 | |
| 553 addrlen = sizeof(so); | |
| 554 ret = accept(fd, &so.sa, &addrlen); | |
| 555 | |
|
680
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
556 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
|
557 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
|
558 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
|
559 else |
|
680
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
560 return -2; |
|
84e398270f7f
net_accept() returns now -2 for fatal failures.
Timo Sirainen <tss@iki.fi>
parents:
628
diff
changeset
|
561 } |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
562 if (so.sin.sin_family == AF_UNIX) { |
|
14629
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14576
diff
changeset
|
563 if (addr_r != NULL) |
|
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14576
diff
changeset
|
564 memset(addr_r, 0, sizeof(*addr_r)); |
|
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14576
diff
changeset
|
565 if (port_r != NULL) *port_r = 0; |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
566 } else { |
|
14629
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14576
diff
changeset
|
567 if (addr_r != NULL) sin_get_ip(&so, addr_r); |
|
c93ca5e46a8a
Marked functions parameters that are allowed to be NULL. Some APIs were also changed.
Timo Sirainen <tss@iki.fi>
parents:
14576
diff
changeset
|
568 if (port_r != NULL) *port_r = sin_get_port(&so); |
|
11926
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
569 } |
| 0 | 570 return ret; |
| 571 } | |
| 572 | |
|
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
|
573 ssize_t net_receive(int fd, void *buf, size_t len) |
| 0 | 574 { |
|
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
|
575 ssize_t ret; |
| 0 | 576 |
| 577 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
|
578 i_assert(len <= SSIZE_T_MAX); |
| 0 | 579 |
|
3681
771cd6776d4b
Use read() instead of recv() in net_receive(), so it works even with
Timo Sirainen <tss@iki.fi>
parents:
3621
diff
changeset
|
580 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
|
581 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
|
582 /* disconnected */ |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
583 errno = 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
584 return -2; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
585 } |
| 0 | 586 |
|
6825
85385079b044
Use likely() and unlikely() macros to make commonly checked error handling
Timo Sirainen <tss@iki.fi>
parents:
6666
diff
changeset
|
587 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
|
588 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
|
589 return 0; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
590 |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
591 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
|
592 /* 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
|
593 return -2; |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
594 } |
|
9cb7022749e7
net_receive, net_transmit: Return -2 for regular disconnection errors. Don't
Timo Sirainen <tss@iki.fi>
parents:
780
diff
changeset
|
595 } |
| 0 | 596 |
| 597 return ret; | |
| 598 } | |
| 599 | |
|
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
|
600 ssize_t net_transmit(int fd, const void *data, size_t len) |
| 0 | 601 { |
|
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
|
602 ssize_t ret; |
| 0 | 603 |
| 604 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
|
605 i_assert(len <= SSIZE_T_MAX); |
| 0 | 606 |
|
64
83ae914a583a
added t_strdup_noconst() which can be used instead of (char *) t_strdup().
Timo Sirainen <tss@iki.fi>
parents:
34
diff
changeset
|
607 ret = send(fd, data, len, 0); |
|
17120
93cf0434dda4
net_transmit() may have wrongly returned EPIPE error.
Timo Sirainen <tss@iki.fi>
parents:
16822
diff
changeset
|
608 if (ret == -1) { |
|
93cf0434dda4
net_transmit() may have wrongly returned EPIPE error.
Timo Sirainen <tss@iki.fi>
parents:
16822
diff
changeset
|
609 if (errno == EINTR || errno == EAGAIN) |
|
93cf0434dda4
net_transmit() may have wrongly returned EPIPE error.
Timo Sirainen <tss@iki.fi>
parents:
16822
diff
changeset
|
610 return 0; |
|
93cf0434dda4
net_transmit() may have wrongly returned EPIPE error.
Timo Sirainen <tss@iki.fi>
parents:
16822
diff
changeset
|
611 if (errno == EPIPE) |
|
93cf0434dda4
net_transmit() may have wrongly returned EPIPE error.
Timo Sirainen <tss@iki.fi>
parents:
16822
diff
changeset
|
612 return -2; |
|
93cf0434dda4
net_transmit() may have wrongly returned EPIPE error.
Timo Sirainen <tss@iki.fi>
parents:
16822
diff
changeset
|
613 } |
| 0 | 614 return ret; |
| 615 } | |
| 616 | |
|
4745
7ee0bb1b2d97
Changed ips_count to unsigned int in net_gethostbyname(). Also removed
Timo Sirainen <tss@iki.fi>
parents:
4699
diff
changeset
|
617 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
|
618 unsigned int *ips_count) |
| 0 | 619 { |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
620 /* @UNSAFE */ |
| 0 | 621 #ifdef HAVE_IPV6 |
| 622 union sockaddr_union *so; | |
| 623 struct addrinfo hints, *ai, *origai; | |
| 624 int host_error; | |
| 625 #else | |
| 626 struct hostent *hp; | |
| 627 #endif | |
| 628 int count; | |
| 629 | |
| 630 *ips = NULL; | |
| 631 *ips_count = 0; | |
| 632 | |
| 633 #ifdef HAVE_IPV6 | |
| 634 memset(&hints, 0, sizeof(struct addrinfo)); | |
| 635 hints.ai_socktype = SOCK_STREAM; | |
| 636 | |
| 637 /* save error to host_error for later use */ | |
| 638 host_error = getaddrinfo(addr, NULL, &hints, &ai); | |
| 639 if (host_error != 0) | |
| 640 return host_error; | |
| 641 | |
| 642 /* get number of IPs */ | |
| 643 origai = ai; | |
| 644 for (count = 0; ai != NULL; ai = ai->ai_next) | |
| 645 count++; | |
| 646 | |
| 647 *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
|
648 *ips = t_malloc(sizeof(struct ip_addr) * count); |
| 0 | 649 |
| 650 count = 0; | |
| 651 for (ai = origai; ai != NULL; ai = ai->ai_next, count++) { | |
| 652 so = (union sockaddr_union *) ai->ai_addr; | |
| 653 | |
|
2113
c5817f302aa6
net_gethostbyname() was broken with IPv6 enabled (wasn't really used with
Timo Sirainen <tss@iki.fi>
parents:
2098
diff
changeset
|
654 sin_get_ip(so, &(*ips)[count]); |
| 0 | 655 } |
| 656 freeaddrinfo(origai); | |
| 657 #else | |
| 658 hp = gethostbyname(addr); | |
| 659 if (hp == NULL) | |
| 660 return h_errno; | |
| 661 | |
| 662 /* get number of IPs */ | |
| 663 count = 0; | |
| 664 while (hp->h_addr_list[count] != NULL) | |
| 665 count++; | |
| 666 | |
| 667 *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
|
668 *ips = t_malloc(sizeof(struct ip_addr) * count); |
| 0 | 669 |
| 670 while (count > 0) { | |
| 671 count--; | |
| 672 | |
| 673 (*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
|
674 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
|
675 sizeof((*ips)[count].u.ip4)); |
| 0 | 676 } |
| 677 #endif | |
| 678 | |
| 679 return 0; | |
| 680 } | |
| 681 | |
|
16575
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
682 int net_gethostbyaddr(const struct ip_addr *ip, const char **name_r) |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
683 { |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
684 union sockaddr_union so; |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
685 socklen_t addrlen = sizeof(so); |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
686 char hbuf[NI_MAXHOST]; |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
687 int ret; |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
688 |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
689 memset(&so, 0, sizeof(so)); |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
690 sin_set_ip(&so, ip); |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
691 ret = getnameinfo(&so.sa, addrlen, hbuf, sizeof(hbuf), NULL, 0, |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
692 NI_NAMEREQD); |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
693 if (ret != 0) |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
694 return ret; |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
695 |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
696 *name_r = t_strdup(hbuf); |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
697 return 0; |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
698 } |
|
eaa712530f3f
Added net_gethostbyaddr() for DNS PTR lookups.
Timo Sirainen <tss@iki.fi>
parents:
16277
diff
changeset
|
699 |
|
903
fd8888f6f037
Naming style changes, finally got tired of most of the typedefs. Also the
Timo Sirainen <tss@iki.fi>
parents:
807
diff
changeset
|
700 int net_getsockname(int fd, struct ip_addr *addr, unsigned int *port) |
| 0 | 701 { |
| 702 union sockaddr_union so; | |
| 703 socklen_t addrlen; | |
| 704 | |
| 705 i_assert(fd >= 0); | |
| 706 | |
| 707 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
|
708 if (getsockname(fd, &so.sa, &addrlen) == -1) |
| 0 | 709 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
|
710 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
|
711 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
|
712 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
|
713 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
|
714 } else { |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
715 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
|
716 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
|
717 } |
| 0 | 718 return 0; |
| 719 } | |
| 720 | |
| 2098 | 721 int net_getpeername(int fd, struct ip_addr *addr, unsigned int *port) |
| 722 { | |
| 723 union sockaddr_union so; | |
| 724 socklen_t addrlen; | |
| 725 | |
| 726 i_assert(fd >= 0); | |
| 727 | |
| 728 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
|
729 if (getpeername(fd, &so.sa, &addrlen) == -1) |
| 2098 | 730 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
|
731 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
|
732 if (addr != NULL) |
|
e403f4dc95ea
Make sure no data is leaked across processes via struct ip_addr fields.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
733 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
|
734 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
|
735 } else { |
|
10c4c9d5fb5b
net_accept(), net_getsock/peername(): Return UNIX sockets with family=port=0.
Timo Sirainen <tss@iki.fi>
parents:
11879
diff
changeset
|
736 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
|
737 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
|
738 } |
| 2098 | 739 return 0; |
| 740 } | |
| 741 | |
| 9843 | 742 int net_getunixname(int fd, const char **name_r) |
| 743 { | |
| 13363 | 744 union sockaddr_union_unix so; |
| 745 socklen_t addrlen = sizeof(so); | |
| 9843 | 746 |
| 13363 | 747 if (getsockname(fd, &so.sa, &addrlen) < 0) |
| 9843 | 748 return -1; |
| 13557 | 749 if (so.un.sun_family != AF_UNIX) { |
| 9843 | 750 errno = ENOTSOCK; |
| 751 return -1; | |
| 752 } | |
| 13557 | 753 *name_r = t_strdup(so.un.sun_path); |
| 9843 | 754 return 0; |
| 755 } | |
| 756 | |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
12782
diff
changeset
|
757 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:
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diff
changeset
|
758 { |
|
14233
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
759 #if defined(SO_PEERCRED) |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
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changeset
|
760 # if defined(HAVE_STRUCT_SOCKPEERCRED) |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
761 /* OpenBSD (may also provide getpeereid, but we also want pid) */ |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
14133
diff
changeset
|
762 struct sockpeercred ucred; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
763 # else |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
764 /* Linux */ |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
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diff
changeset
|
765 struct ucred ucred; |
|
14233
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
766 # endif |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
767 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
|
768 |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
769 if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &len) < 0) { |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
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diff
changeset
|
770 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:
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changeset
|
771 return -1; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
772 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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diff
changeset
|
773 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
|
774 cred_r->gid = ucred.gid; |
|
14233
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
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changeset
|
775 cred_r->pid = ucred.pid; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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changeset
|
776 return 0; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
777 #elif defined(LOCAL_PEEREID) |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
778 /* NetBSD (may also provide getpeereid, but we also want pid) */ |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
779 struct unpcbid ucred; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
780 socklen_t len = sizeof(ucred); |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
781 |
|
16276
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
782 if (getsockopt(fd, 0, LOCAL_PEEREID, &ucred, &len) < 0) { |
|
14233
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
14133
diff
changeset
|
783 i_error("getsockopt(LOCAL_PEEREID) failed: %m"); |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
784 return -1; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
785 } |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
786 |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
14133
diff
changeset
|
787 cred_r->uid = ucred.unp_euid; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
788 cred_r->gid = ucred.unp_egid; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
789 cred_r->pid = ucred.unp_pid; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
790 return 0; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
791 #elif defined(HAVE_GETPEEREID) |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
792 /* OSX 10.4+, FreeBSD 4.6+, OpenBSD 3.0+, NetBSD 5.0+ */ |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
793 if (getpeereid(fd, &cred_r->uid, &cred_r->gid) < 0) { |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
794 i_error("getpeereid() failed: %m"); |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
14133
diff
changeset
|
795 return -1; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
796 } |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
797 cred_r->pid = (pid_t)-1; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
798 return 0; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
799 #elif defined(LOCAL_PEERCRED) |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
800 /* Older FreeBSD */ |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
801 struct xucred ucred; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
802 socklen_t len = sizeof(ucred); |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
803 |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
804 if (getsockopt(fd, 0, LOCAL_PEERCRED, &ucred, &len) < 0) { |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
805 i_error("getsockopt(LOCAL_PEERCRED) failed: %m"); |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
806 return -1; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
807 } |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
808 |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
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diff
changeset
|
809 if (ucred.cr_version != XUCRED_VERSION) { |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
810 errno = EINVAL; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
14133
diff
changeset
|
811 return -1; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
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diff
changeset
|
812 } |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
Timo Sirainen <tss@iki.fi>
parents:
14133
diff
changeset
|
813 |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
14133
diff
changeset
|
814 cred_r->uid = ucred.cr_uid; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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changeset
|
815 cred_r->gid = ucred.cr_gid; |
|
80688ab1ea3d
Extends struct net_unix_cred with pid field and modifies net_getunixcred() to fill it in if possible.
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parents:
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diff
changeset
|
816 cred_r->pid = (pid_t)-1; |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
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diff
changeset
|
817 return 0; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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diff
changeset
|
818 #elif defined(HAVE_GETPEERUCRED) |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
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diff
changeset
|
819 /* Solaris */ |
|
14377
98fd46f8d1ab
net_getunixcred(): Fixed Solaris to use getpeerucred() properly.
Timo Sirainen <tss@iki.fi>
parents:
14133
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changeset
|
820 ucred_t *ucred = NULL; |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
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changeset
|
821 |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
12782
diff
changeset
|
822 if (getpeerucred(fd, &ucred) < 0) { |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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12782
diff
changeset
|
823 i_error("getpeerucred() failed: %m"); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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changeset
|
824 return -1; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
12782
diff
changeset
|
825 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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diff
changeset
|
826 cred_r->uid = ucred_geteuid(ucred); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
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diff
changeset
|
827 cred_r->gid = ucred_getrgid(ucred); |
|
14233
80688ab1ea3d
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changeset
|
828 cred_r->pid = ucred_getpid(ucred); |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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diff
changeset
|
829 ucred_free(ucred); |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
12782
diff
changeset
|
830 |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
831 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:
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diff
changeset
|
832 cred_r->gid == (gid_t)-1) { |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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parents:
12782
diff
changeset
|
833 errno = EINVAL; |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
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diff
changeset
|
834 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
|
835 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
836 return 0; |
|
16276
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
837 #elif NEEDS_LOCAL_CREDS |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
838 /* NetBSD < 5 */ |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
839 int i, n, on; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
840 struct iovec iov; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
841 struct msghdr msg; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
842 struct { |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
843 struct cmsghdr ch; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
844 char buf[110]; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
845 } cdata; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
846 struct sockcred *sc; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
847 |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
848 iov.iov_base = (char *)&on; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
849 iov.iov_len = 1; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
850 |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
851 sc = (struct sockcred *)cdata.buf; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
852 sc->sc_uid = sc->sc_euid = sc->sc_gid = sc->sc_egid = -1; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
853 memset(&cdata.ch, 0, sizeof cdata.ch); |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
854 |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
855 memset(&msg, 0, sizeof msg); |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
856 |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
857 msg.msg_iov = &iov; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
858 msg.msg_iovlen = 1; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
859 msg.msg_control = &cdata; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
860 msg.msg_controllen = sizeof(cdata.ch) + sizeof(cdata.buf); |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
861 |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
862 for (i = 0; i < 10; i++) { |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
863 n = recvmsg(fd, &msg, MSG_WAITALL | MSG_PEEK); |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
864 if (n >= 0 || errno != EAGAIN) |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
865 break; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
866 usleep(100); |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
867 } |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
868 if (n < 0) { |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
869 i_error("recvmsg() failed: %m"); |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
870 return -1; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
871 } |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
872 cred_r->uid = sc->sc_euid; |
|
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
873 cred_r->gid = sc->sc_egid; |
|
16277
c802c0b960e2
net_getunixcred(): Fix to previous NetBSD<5 support: return pid as -1.
Timo Sirainen <tss@iki.fi>
parents:
16276
diff
changeset
|
874 cred_r->pid = (pid_t)-1; |
|
16276
d594ce839da3
net_getunixcred() support for NetBSD <v5.0. Fixed also building with other NetBSDs.
Timo Sirainen <tss@iki.fi>
parents:
16043
diff
changeset
|
875 return 0; |
|
12887
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
876 #else |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
877 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
|
878 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
|
879 #endif |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
880 } |
|
352999078d83
Added net_getunixcred() to get UNIX socket peer process's UID and GID.
Timo Sirainen <tss@iki.fi>
parents:
12782
diff
changeset
|
881 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
882 const char *net_ip2addr(const struct ip_addr *ip) |
| 0 | 883 { |
| 884 #ifdef HAVE_IPV6 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
885 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
|
886 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
887 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
|
888 if (inet_ntop(ip->family, &ip->u.ip6, addr, MAX_IP_LEN) == NULL) |
|
16666
58be84a381e5
net_ip2addr() changed to return "" instead of NULL on failure.
Timo Sirainen <tss@iki.fi>
parents:
16647
diff
changeset
|
889 return ""; |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
890 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
891 return t_strdup(addr); |
| 0 | 892 #else |
| 893 unsigned long ip4; | |
| 894 | |
|
805
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
895 if (ip->family != AF_INET) |
|
16666
58be84a381e5
net_ip2addr() changed to return "" instead of NULL on failure.
Timo Sirainen <tss@iki.fi>
parents:
16647
diff
changeset
|
896 return ""; |
| 0 | 897 |
|
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
|
898 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
|
899 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
|
900 (ip4 & 0xff000000UL) >> 24, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
901 (ip4 & 0x00ff0000) >> 16, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
902 (ip4 & 0x0000ff00) >> 8, |
|
5ac361acb316
Marked all non-trivial buffer modifications with @UNSAFE tag. Several
Timo Sirainen <tss@iki.fi>
parents:
781
diff
changeset
|
903 (ip4 & 0x000000ff)); |
| 0 | 904 #endif |
| 905 } | |
| 906 | |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
907 int net_addr2ip(const char *addr, struct ip_addr *ip) |
| 0 | 908 { |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
909 int ret; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
910 |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
parents:
1268
diff
changeset
|
911 if (strchr(addr, ':') != NULL) { |
| 0 | 912 /* IPv6 */ |
| 913 ip->family = AF_INET6; | |
| 914 #ifdef HAVE_IPV6 | |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
915 T_BEGIN { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
916 if (addr[0] == '[') { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
917 /* allow [ipv6 addr] */ |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
918 unsigned int len = strlen(addr); |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
919 if (addr[len-1] == ']') |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
920 addr = t_strndup(addr+1, len-2); |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
921 } |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
922 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
|
923 } T_END; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
Timo Sirainen <tss@iki.fi>
parents:
11340
diff
changeset
|
924 if (ret == 0) |
| 0 | 925 return -1; |
| 926 #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
|
927 ip->u.ip4.s_addr = 0; |
| 0 | 928 #endif |
| 929 } else { | |
| 930 /* IPv4 */ | |
| 931 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
|
932 if (inet_aton(addr, &ip->u.ip4) == 0) |
| 0 | 933 return -1; |
| 934 } | |
| 935 | |
| 936 return 0; | |
| 937 } | |
| 938 | |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
939 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
|
940 struct ip_addr *dest) |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
941 { |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
942 #ifdef HAVE_IPV6 |
|
4699
9e4cc68b71b2
Fix net_ipv6_mapped_ipv4_convert() to be actually portable.
Timo Sirainen <tss@iki.fi>
parents:
4684
diff
changeset
|
943 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
|
944 { 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
|
945 |
|
4684
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
946 if (!IPADDR_IS_V6(src)) |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
947 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
|
948 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
|
949 return -1; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
950 |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
951 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
|
952 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
|
953 return 0; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
954 #else |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
955 return -1; |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
956 #endif |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
Timo Sirainen <tss@iki.fi>
parents:
4018
diff
changeset
|
957 } |
|
4f1df4b90500
Added net_ipv6_mapped_ipv4_convert().
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|
958 |
| 0 | 959 int net_geterror(int fd) |
| 960 { | |
| 961 int data; | |
| 962 socklen_t len = sizeof(data); | |
| 963 | |
| 964 if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &data, &len) == -1) | |
| 965 return -1; | |
| 966 | |
| 967 return data; | |
| 968 } | |
| 969 | |
| 970 const char *net_gethosterror(int error) | |
| 971 { | |
| 972 #ifdef HAVE_IPV6 | |
| 973 i_assert(error != 0); | |
| 974 | |
| 975 return gai_strerror(error); | |
| 976 #else | |
| 977 switch (error) { | |
| 978 case HOST_NOT_FOUND: | |
| 979 return "Host not found"; | |
| 980 case NO_ADDRESS: | |
| 981 return "No IP address found for name"; | |
| 982 case NO_RECOVERY: | |
| 6666 | 983 return "A non-recoverable name server error occurred"; |
| 0 | 984 case TRY_AGAIN: |
| 985 return "A temporary error on an authoritative name server"; | |
|
16647
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|
986 default: |
|
dc60e46f0cb5
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|
987 return t_strdup_printf("Unknown error %d", error); |
| 0 | 988 } |
| 989 #endif | |
| 990 } | |
| 991 | |
| 992 int net_hosterror_notfound(int error) | |
| 993 { | |
| 994 #ifdef HAVE_IPV6 | |
|
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importing new index code. mbox still broken.
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|
995 #ifdef EAI_NODATA /* NODATA is depricated */ |
| 0 | 996 return error != 1 && (error == EAI_NONAME || error == EAI_NODATA); |
| 997 #else | |
|
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|
998 return error != 1 && (error == EAI_NONAME); |
|
79790750c349
importing new index code. mbox still broken.
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diff
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|
999 #endif |
|
79790750c349
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diff
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|
1000 #else |
| 0 | 1001 return error == HOST_NOT_FOUND || error == NO_ADDRESS; |
| 1002 #endif | |
| 1003 } | |
| 1004 | |
|
2113
c5817f302aa6
net_gethostbyname() was broken with IPv6 enabled (wasn't really used with
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2098
diff
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|
1005 const char *net_getservbyport(unsigned short port) |
| 0 | 1006 { |
| 1007 struct servent *entry; | |
| 1008 | |
| 349 | 1009 entry = getservbyport(htons(port), "tcp"); |
| 0 | 1010 return entry == NULL ? NULL : entry->s_name; |
| 1011 } | |
| 1012 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
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parents:
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diff
changeset
|
1013 bool is_ipv4_address(const char *addr) |
| 0 | 1014 { |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
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diff
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|
1015 while (*addr != '\0') { |
|
8c28289a15a1
s/host/addr/ in a few network functions
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diff
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|
1016 if (*addr != '.' && !i_isdigit(*addr)) |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
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|
1017 return FALSE; |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
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diff
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|
1018 addr++; |
| 0 | 1019 } |
| 1020 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
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|
1021 return TRUE; |
| 0 | 1022 } |
| 1023 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
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diff
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|
1024 bool is_ipv6_address(const char *addr) |
| 0 | 1025 { |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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diff
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|
1026 bool have_prefix = FALSE; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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|
1027 |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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|
1028 if (*addr == '[') { |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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|
1029 have_prefix = TRUE; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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|
1030 addr++; |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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|
1031 } |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
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diff
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|
1032 while (*addr != '\0') { |
|
11448
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Added support for [] around ipv6 addresses everywhere.
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|
1033 if (*addr != ':' && !i_isxdigit(*addr)) { |
|
bdb46ba87203
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diff
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|
1034 if (have_prefix && *addr == ']' && addr[1] == '\0') |
|
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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diff
changeset
|
1035 break; |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
parents:
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diff
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|
1036 return FALSE; |
|
11448
bdb46ba87203
Added support for [] around ipv6 addresses everywhere.
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diff
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|
1037 } |
|
1485
8c28289a15a1
s/host/addr/ in a few network functions
Timo Sirainen <tss@iki.fi>
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diff
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|
1038 addr++; |
| 0 | 1039 } |
| 1040 | |
|
3863
55df57c028d4
Added "bool" type and changed all ints that were used as booleans to bool.
Timo Sirainen <tss@iki.fi>
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3681
diff
changeset
|
1041 return TRUE; |
| 0 | 1042 } |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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|
1043 |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
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changeset
|
1044 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:
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diff
changeset
|
1045 unsigned int *bits_r) |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1046 { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1047 const char *p; |
|
11086
260e190306b0
Started using str_to_*() functions instead of libc's ones.
Timo Sirainen <tss@iki.fi>
parents:
10789
diff
changeset
|
1048 unsigned int bits, max_bits; |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
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diff
changeset
|
1049 |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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diff
changeset
|
1050 p = strchr(network, '/'); |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1051 if (p != NULL) |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1052 network = t_strdup_until(network, p++); |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1053 |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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diff
changeset
|
1054 if (net_addr2ip(network, ip_r) < 0) |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1055 return -1; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1056 |
|
13290
d473660bc54d
liblib: Added IPADDR_BITS() macro.
Timo Sirainen <tss@iki.fi>
parents:
12887
diff
changeset
|
1057 max_bits = IPADDR_BITS(ip_r); |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1058 if (p == NULL) { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1059 /* full IP address must match */ |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1060 bits = max_bits; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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diff
changeset
|
1061 } else { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1062 /* 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
|
1063 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:
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diff
changeset
|
1064 return -1; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1065 } |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1066 *bits_r = bits; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
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parents:
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diff
changeset
|
1067 return 0; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1068 } |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1069 |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1070 bool net_is_in_network(const struct ip_addr *ip, |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1071 const struct ip_addr *net_ip, unsigned int bits) |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1072 { |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
1073 struct ip_addr tmp_ip; |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1074 const uint32_t *ip1, *ip2; |
|
7520
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1075 uint32_t mask, i1, i2; |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1076 unsigned int pos, i; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1077 |
|
7919
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
1078 if (net_ipv6_mapped_ipv4_convert(ip, &tmp_ip) == 0) { |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
1079 /* IPv4 address mapped disguised as IPv6 address */ |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
1080 ip = &tmp_ip; |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
1081 } |
|
423b8e3fedbb
Created net_parse_range() from auth code.
Timo Sirainen <tss@iki.fi>
parents:
7520
diff
changeset
|
1082 |
|
16043
790bb5dfadc6
net_is_in_network(): Don't assert-crash with invalid IP.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1083 if (ip->family == 0) { |
|
790bb5dfadc6
net_is_in_network(): Don't assert-crash with invalid IP.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1084 /* non-IPv4/IPv6 address (e.g. UNIX socket) never matches |
|
790bb5dfadc6
net_is_in_network(): Don't assert-crash with invalid IP.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1085 anything */ |
|
790bb5dfadc6
net_is_in_network(): Don't assert-crash with invalid IP.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1086 return FALSE; |
|
790bb5dfadc6
net_is_in_network(): Don't assert-crash with invalid IP.
Timo Sirainen <tss@iki.fi>
parents:
15715
diff
changeset
|
1087 } |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1088 if (IPADDR_IS_V4(ip) != IPADDR_IS_V4(net_ip)) { |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1089 /* one is IPv6 and one is IPv4 */ |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1090 return FALSE; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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changeset
|
1091 } |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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diff
changeset
|
1092 i_assert(IPADDR_IS_V6(ip) == IPADDR_IS_V6(net_ip)); |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1093 |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1094 if (IPADDR_IS_V4(ip)) { |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1095 ip1 = &ip->u.ip4.s_addr; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1096 ip2 = &net_ip->u.ip4.s_addr; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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diff
changeset
|
1097 } else { |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1098 #ifdef HAVE_IPV6 |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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diff
changeset
|
1099 ip1 = (const void *)&ip->u.ip6; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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diff
changeset
|
1100 ip2 = (const void *)&net_ip->u.ip6; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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diff
changeset
|
1101 #else |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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diff
changeset
|
1102 /* shouldn't get here */ |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
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diff
changeset
|
1103 return FALSE; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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changeset
|
1104 #endif |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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diff
changeset
|
1105 } |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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diff
changeset
|
1106 |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
7274
diff
changeset
|
1107 /* check first the full 32bit ints */ |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
7274
diff
changeset
|
1108 for (pos = 0, i = 0; pos + 32 <= bits; pos += 32, i++) { |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
7274
diff
changeset
|
1109 if (ip1[i] != ip2[i]) |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1110 return FALSE; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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parents:
7274
diff
changeset
|
1111 } |
|
7520
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1112 i1 = htonl(ip1[i]); |
|
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1113 i2 = htonl(ip2[i]); |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
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changeset
|
1114 |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
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diff
changeset
|
1115 /* check the last full bytes */ |
|
7520
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1116 for (mask = 0xff000000; pos + 8 <= bits; pos += 8, mask >>= 8) { |
|
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1117 if ((i1 & mask) != (i2 & mask)) |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1118 return FALSE; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1119 } |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1120 |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1121 /* check the last bits, they're reversed in bytes */ |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1122 bits -= pos; |
|
7520
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1123 for (mask = 0x80000000 >> (pos % 32); bits > 0; bits--, mask >>= 1) { |
|
85203e817f90
net_is_in_network(): Fixed to work with big endian machines.
Timo Sirainen <tss@iki.fi>
parents:
7517
diff
changeset
|
1124 if ((i1 & mask) != (i2 & mask)) |
|
7517
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1125 return FALSE; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1126 } |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1127 return TRUE; |
|
e0007da64cdc
Moved net_is_in_network() to lib/network.c.
Timo Sirainen <tss@iki.fi>
parents:
7274
diff
changeset
|
1128 } |