diff options
author | Steven Barth <steven@midlink.org> | 2009-04-21 16:26:45 +0000 |
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committer | Steven Barth <steven@midlink.org> | 2009-04-21 16:26:45 +0000 |
commit | a2b916ab736802050b19562b7c163e3f3bb1566f (patch) | |
tree | d35b68f7bcac43f66f4cdb915ef327b76856594b /libs/nixio/src/address.c | |
parent | 085a0a9ec040fc3ea5ee537d2cee724aa775747b (diff) |
Merge nixio 0.2
Diffstat (limited to 'libs/nixio/src/address.c')
-rw-r--r-- | libs/nixio/src/address.c | 198 |
1 files changed, 112 insertions, 86 deletions
diff --git a/libs/nixio/src/address.c b/libs/nixio/src/address.c index 8b9ae2807..835a8a2f9 100644 --- a/libs/nixio/src/address.c +++ b/libs/nixio/src/address.c @@ -18,16 +18,79 @@ #include "nixio.h" #include <sys/types.h> -#include <sys/socket.h> -#include <arpa/inet.h> -#include <netinet/in.h> +#include <errno.h> #include <string.h> -#include <netdb.h> #ifndef NI_MAXHOST #define NI_MAXHOST 1025 #endif +/** + * address pushing helper + */ +int nixio__addr_parse(nixio_addr *addr, struct sockaddr *saddr) { + void *baddr; + + addr->family = saddr->sa_family; + if (saddr->sa_family == AF_INET) { + struct sockaddr_in *inetaddr = (struct sockaddr_in*)saddr; + addr->port = ntohs(inetaddr->sin_port); + baddr = &inetaddr->sin_addr; + } else if (saddr->sa_family == AF_INET6) { + struct sockaddr_in6 *inet6addr = (struct sockaddr_in6*)saddr; + addr->port = ntohs(inet6addr->sin6_port); + baddr = &inet6addr->sin6_addr; + } else { + errno = EAFNOSUPPORT; + return -1; + } + + if (!inet_ntop(saddr->sa_family, baddr, addr->host, sizeof(addr->host))) { + return -1; + } + + return 0; +} + +/** + * address pulling helper + */ +int nixio__addr_write(nixio_addr *addr, struct sockaddr *saddr) { + if (addr->family == AF_UNSPEC) { + if (strchr(addr->host, ':')) { + addr->family = AF_INET6; + } else { + addr->family = AF_INET; + } + } + if (addr->family == AF_INET) { + struct sockaddr_in *inetaddr = (struct sockaddr_in *)saddr; + memset(inetaddr, 0, sizeof(struct sockaddr_in)); + + if (inet_pton(AF_INET, addr->host, &inetaddr->sin_addr) < 1) { + return -1; + } + + inetaddr->sin_family = AF_INET; + inetaddr->sin_port = htons((uint16_t)addr->port); + return 0; + } else if (addr->family == AF_INET6) { + struct sockaddr_in6 *inet6addr = (struct sockaddr_in6 *)saddr; + memset(inet6addr, 0, sizeof(struct sockaddr_in6)); + + if (inet_pton(AF_INET6, addr->host, &inet6addr->sin6_addr) < 1) { + return -1; + } + + inet6addr->sin6_family = AF_INET6; + inet6addr->sin6_port = htons((uint16_t)addr->port); + return 0; + } else { + errno = EAFNOSUPPORT; + return -1; + } +} + /** * getaddrinfo(host, family, port) @@ -70,9 +133,11 @@ static int nixio_getaddrinfo(lua_State *L) { for (rp = result; rp != NULL; rp = rp->ai_next) { /* avoid duplicate results */ +#ifndef __WINNT__ if (!port && rp->ai_socktype != SOCK_STREAM) { continue; } +#endif if (rp->ai_family == AF_INET || rp->ai_family == AF_INET6) { lua_createtable(L, 0, port ? 4 : 2); @@ -101,31 +166,18 @@ static int nixio_getaddrinfo(lua_State *L) { lua_setfield(L, -2, "socktype"); } - char ip[INET6_ADDRSTRLEN]; - void *binaddr = NULL; - uint16_t binport = 0; - - if (rp->ai_family == AF_INET) { - struct sockaddr_in *v4addr = (struct sockaddr_in*)rp->ai_addr; - binport = v4addr->sin_port; - binaddr = (void *)&v4addr->sin_addr; - } else if (rp->ai_family == AF_INET6) { - struct sockaddr_in6 *v6addr = (struct sockaddr_in6*)rp->ai_addr; - binport = v6addr->sin6_port; - binaddr = (void *)&v6addr->sin6_addr; - } - - if (!inet_ntop(rp->ai_family, binaddr, ip, sizeof(ip))) { + nixio_addr addr; + if (nixio__addr_parse(&addr, rp->ai_addr)) { freeaddrinfo(result); - return nixio__perror(L); + return nixio__perror_s(L); } if (port) { - lua_pushinteger(L, ntohs(binport)); + lua_pushinteger(L, addr.port); lua_setfield(L, -2, "port"); } - lua_pushstring(L, ip); + lua_pushstring(L, addr.host); lua_setfield(L, -2, "address"); lua_rawseti(L, -2, i++); } @@ -140,37 +192,29 @@ static int nixio_getaddrinfo(lua_State *L) { * getnameinfo(address, family) */ static int nixio_getnameinfo(lua_State *L) { - const char *ip = luaL_checklstring(L, 1, NULL); - const char *family = luaL_optlstring(L, 2, "inet", NULL); + const char *ip = luaL_checkstring(L, 1); + const char *family = luaL_optstring(L, 2, NULL); char host[NI_MAXHOST]; - struct sockaddr *addr = NULL; - socklen_t alen = 0; - int res; + struct sockaddr_storage saddr; + nixio_addr addr; + memset(&addr, 0, sizeof(addr)); + strncpy(addr.host, ip, sizeof(addr.host) - 1); - if (!strcmp(family, "inet")) { - struct sockaddr_in inetaddr; - memset(&inetaddr, 0, sizeof(inetaddr)); - inetaddr.sin_family = AF_INET; - if (inet_pton(AF_INET, ip, &inetaddr.sin_addr) < 1) { - return luaL_argerror(L, 1, "invalid address"); - } - alen = sizeof(inetaddr); - addr = (struct sockaddr *)&inetaddr; + if (!family) { + addr.family = AF_UNSPEC; + } else if (!strcmp(family, "inet")) { + addr.family = AF_INET; } else if (!strcmp(family, "inet6")) { - struct sockaddr_in6 inet6addr; - memset(&inet6addr, 0, sizeof(inet6addr)); - inet6addr.sin6_family = AF_INET6; - if (inet_pton(AF_INET6, ip, &inet6addr.sin6_addr) < 1) { - return luaL_argerror(L, 1, "invalid address"); - } - alen = sizeof(inet6addr); - addr = (struct sockaddr *)&inet6addr; + addr.family = AF_INET6; } else { return luaL_argerror(L, 2, "supported values: inet, inet6"); } - res = getnameinfo(addr, alen, host, sizeof(host), NULL, 0, NI_NAMEREQD); + nixio__addr_write(&addr, (struct sockaddr *)&saddr); + + int res = getnameinfo((struct sockaddr *)&saddr, sizeof(saddr), + host, sizeof(host), NULL, 0, NI_NAMEREQD); if (res) { lua_pushnil(L); lua_pushinteger(L, res); @@ -183,59 +227,41 @@ static int nixio_getnameinfo(lua_State *L) { } /** - * getsockname() / getpeername() helper + * getsockname() */ -static int nixio_sock__getname(lua_State *L, int sock) { +static int nixio_sock_getsockname(lua_State *L) { int sockfd = nixio__checksockfd(L); - struct sockaddr_storage addr; - socklen_t addrlen = sizeof(addr); - char ipaddr[INET6_ADDRSTRLEN]; - void *binaddr; - uint16_t port; - - if (sock) { - if (getsockname(sockfd, (struct sockaddr*)&addr, &addrlen)) { - return nixio__perror(L); - } - } else { - if (getpeername(sockfd, (struct sockaddr*)&addr, &addrlen)) { - return nixio__perror(L); - } - } - - if (addr.ss_family == AF_INET) { - struct sockaddr_in *inetaddr = (struct sockaddr_in*)&addr; - port = inetaddr->sin_port; - binaddr = &inetaddr->sin_addr; - } else if (addr.ss_family == AF_INET6) { - struct sockaddr_in6 *inet6addr = (struct sockaddr_in6*)&addr; - port = inet6addr->sin6_port; - binaddr = &inet6addr->sin6_addr; - } else { - return luaL_error(L, "unknown address family"); - } + struct sockaddr_storage saddr; + socklen_t addrlen = sizeof(saddr); + nixio_addr addr; - if (!inet_ntop(addr.ss_family, binaddr, ipaddr, sizeof(ipaddr))) { - return nixio__perror(L); + if (getsockname(sockfd, (struct sockaddr*)&saddr, &addrlen) || + nixio__addr_parse(&addr, (struct sockaddr*)&saddr)) { + return nixio__perror_s(L); } - lua_pushstring(L, ipaddr); - lua_pushinteger(L, ntohs(port)); + lua_pushstring(L, addr.host); + lua_pushnumber(L, addr.port); return 2; } /** - * getsockname() - */ -static int nixio_sock_getsockname(lua_State *L) { - return nixio_sock__getname(L, 1); -} - -/** * getpeername() */ static int nixio_sock_getpeername(lua_State *L) { - return nixio_sock__getname(L, 0); + int sockfd = nixio__checksockfd(L); + struct sockaddr_storage saddr; + socklen_t addrlen = sizeof(saddr); + nixio_addr addr; + + if (getpeername(sockfd, (struct sockaddr*)&saddr, &addrlen) || + nixio__addr_parse(&addr, (struct sockaddr*)&saddr)) { + return nixio__perror_s(L); + } + + lua_pushstring(L, addr.host); + lua_pushnumber(L, addr.port); + return 2; } |