diff options
Diffstat (limited to 'ngircd/src/ipaddr/ng_ipaddr.c')
| -rw-r--r-- | ngircd/src/ipaddr/ng_ipaddr.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/ngircd/src/ipaddr/ng_ipaddr.c b/ngircd/src/ipaddr/ng_ipaddr.c deleted file mode 100644 index 37f75b6..0000000 --- a/ngircd/src/ipaddr/ng_ipaddr.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * (c) 2008 Florian Westphal <fw@strlen.de>, public domain. - */ - -#include "portab.h" - -/** - * @file - * Functions for AF_ agnostic ipv4/ipv6 handling. - */ - -#include <assert.h> -#include <stdio.h> -#include <string.h> - -#ifdef HAVE_GETADDRINFO -#include <netdb.h> -#include <sys/types.h> -#endif - -#include "ng_ipaddr.h" - -GLOBAL bool -ng_ipaddr_init(ng_ipaddr_t *addr, const char *ip_str, UINT16 port) -{ -#ifdef HAVE_WORKING_GETADDRINFO - int ret; - char portstr[64]; - struct addrinfo *res0; - struct addrinfo hints; - - assert(ip_str); - - memset(&hints, 0, sizeof(hints)); -#ifdef AI_NUMERICHOST - hints.ai_flags = AI_NUMERICHOST; -#endif -#ifndef WANT_IPV6 /* do not convert ipv6 addresses */ - hints.ai_family = AF_INET; -#endif - - /* some getaddrinfo implementations require that ai_socktype is set. */ - hints.ai_socktype = SOCK_STREAM; - - /* silly, but ngircd stores UINT16 in server config, not string */ - snprintf(portstr, sizeof(portstr), "%u", (unsigned int) port); - - ret = getaddrinfo(ip_str, portstr, &hints, &res0); - if (ret != 0) - return false; - - assert(sizeof(*addr) >= (size_t)res0->ai_addrlen); - if (sizeof(*addr) >= (size_t)res0->ai_addrlen) - memcpy(addr, res0->ai_addr, res0->ai_addrlen); - else - ret = -1; - freeaddrinfo(res0); - return ret == 0; -#else /* HAVE_GETADDRINFO */ - assert(ip_str); - memset(addr, 0, sizeof *addr); -#ifdef HAVE_sockaddr_in_len - addr->sin4.sin_len = sizeof(addr->sin4); -#endif - addr->sin4.sin_family = AF_INET; -# ifdef HAVE_INET_ATON - if (inet_aton(ip_str, &addr->sin4.sin_addr) == 0) - return false; -# else - addr->sin4.sin_addr.s_addr = inet_addr(ip_str); - if (addr->sin4.sin_addr.s_addr == (unsigned) -1) - return false; -# endif - ng_ipaddr_setport(addr, port); - return true; -#endif /* HAVE_GETADDRINFO */ -} - - -GLOBAL void -ng_ipaddr_setport(ng_ipaddr_t *a, UINT16 port) -{ -#ifdef WANT_IPV6 - int af; - - assert(a != NULL); - - af = a->sa.sa_family; - - assert(af == AF_INET || af == AF_INET6); - - switch (af) { - case AF_INET: - a->sin4.sin_port = htons(port); - break; - case AF_INET6: - a->sin6.sin6_port = htons(port); - break; - } -#else /* WANT_IPV6 */ - assert(a != NULL); - assert(a->sin4.sin_family == AF_INET); - a->sin4.sin_port = htons(port); -#endif /* WANT_IPV6 */ -} - - - -GLOBAL bool -ng_ipaddr_ipequal(const ng_ipaddr_t *a, const ng_ipaddr_t *b) -{ - assert(a != NULL); - assert(b != NULL); -#ifdef WANT_IPV6 - if (a->sa.sa_family != b->sa.sa_family) - return false; - assert(ng_ipaddr_salen(a) == ng_ipaddr_salen(b)); - switch (a->sa.sa_family) { - case AF_INET6: - return IN6_ARE_ADDR_EQUAL(&a->sin6.sin6_addr, &b->sin6.sin6_addr); - case AF_INET: - return memcmp(&a->sin4.sin_addr, &b->sin4.sin_addr, sizeof(a->sin4.sin_addr)) == 0; - } - return false; -#else - assert(a->sin4.sin_family == AF_INET); - assert(b->sin4.sin_family == AF_INET); - return memcmp(&a->sin4.sin_addr, &b->sin4.sin_addr, sizeof(a->sin4.sin_addr)) == 0; -#endif -} - - -#ifdef WANT_IPV6 -GLOBAL const char * -ng_ipaddr_tostr(const ng_ipaddr_t *addr) -{ - static char strbuf[NG_INET_ADDRSTRLEN]; - - strbuf[0] = 0; - - ng_ipaddr_tostr_r(addr, strbuf); - return strbuf; -} - - -/* str must be at least NG_INET_ADDRSTRLEN bytes long */ -GLOBAL bool -ng_ipaddr_tostr_r(const ng_ipaddr_t *addr, char *str) -{ -#ifdef HAVE_GETNAMEINFO - const struct sockaddr *sa = (const struct sockaddr *) addr; - int ret; - - *str = 0; - - ret = getnameinfo(sa, ng_ipaddr_salen(addr), - str, NG_INET_ADDRSTRLEN, NULL, 0, NI_NUMERICHOST); - /* - * avoid leading ':'. - * causes mis-interpretation of client host in e.g. /WHOIS - */ - if (*str == ':') { - char tmp[NG_INET_ADDRSTRLEN] = "0"; - ret = getnameinfo(sa, ng_ipaddr_salen(addr), - tmp + 1, (socklen_t)sizeof(tmp) - 1, - NULL, 0, NI_NUMERICHOST); - if (ret == 0) - strlcpy(str, tmp, NG_INET_ADDRSTRLEN); - } - assert (ret == 0); - return ret == 0; -#else - abort(); /* WANT_IPV6 depends on HAVE_GETNAMEINFO */ -#endif -} - -#endif /* WANT_IPV6 */ - -/* -eof- */ |