diff options
Diffstat (limited to 'source3/lib')
| -rw-r--r-- | source3/lib/util_sock.c | 393 | ||||
| -rw-r--r-- | source3/lib/wins_srv.c | 4 |
2 files changed, 3 insertions, 394 deletions
diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c index d6677e2598..667dbf6dad 100644 --- a/source3/lib/util_sock.c +++ b/source3/lib/util_sock.c @@ -21,188 +21,6 @@ #include "includes.h" -/**************************************************************************** - Return true if a string could be an IPv4 address. -****************************************************************************/ - -bool is_ipaddress_v4(const char *str) -{ - int ret = -1; - struct in_addr dest; - - ret = inet_pton(AF_INET, str, &dest); - if (ret > 0) { - return true; - } - return false; -} - -/**************************************************************************** - Return true if a string could be an IPv4 or IPv6 address. -****************************************************************************/ - -bool is_ipaddress(const char *str) -{ -#if defined(HAVE_IPV6) - int ret = -1; - - if (strchr_m(str, ':')) { - char addr[INET6_ADDRSTRLEN]; - struct in6_addr dest6; - const char *sp = str; - char *p = strchr_m(str, '%'); - - /* - * Cope with link-local. - * This is IP:v6:addr%ifname. - */ - - if (p && (p > str) && (if_nametoindex(p+1) != 0)) { - strlcpy(addr, str, - MIN(PTR_DIFF(p,str)+1, - sizeof(addr))); - sp = addr; - } - ret = inet_pton(AF_INET6, sp, &dest6); - if (ret > 0) { - return true; - } - } -#endif - return is_ipaddress_v4(str); -} - -/**************************************************************************** - Is a sockaddr a broadcast address ? -****************************************************************************/ - -bool is_broadcast_addr(const struct sockaddr *pss) -{ -#if defined(HAVE_IPV6) - if (pss->sa_family == AF_INET6) { - const struct in6_addr *sin6 = - &((const struct sockaddr_in6 *)pss)->sin6_addr; - return IN6_IS_ADDR_MULTICAST(sin6); - } -#endif - if (pss->sa_family == AF_INET) { - uint32_t addr = - ntohl(((const struct sockaddr_in *)pss)->sin_addr.s_addr); - return addr == INADDR_BROADCAST; - } - return false; -} - -/******************************************************************* - Wrap getaddrinfo... -******************************************************************/ - -static bool interpret_string_addr_internal(struct addrinfo **ppres, - const char *str, int flags) -{ - int ret; - struct addrinfo hints; - - memset(&hints, '\0', sizeof(hints)); - /* By default make sure it supports TCP. */ - hints.ai_socktype = SOCK_STREAM; - hints.ai_flags = flags; - - /* Linux man page on getaddinfo() says port will be - uninitialized when service string in NULL */ - - ret = getaddrinfo(str, NULL, - &hints, - ppres); - - if (ret) { - DEBUG(3,("interpret_string_addr_internal: getaddrinfo failed " - "for name %s [%s]\n", - str, - gai_strerror(ret) )); - return false; - } - return true; -} - -/**************************************************************************** - Interpret an internet address or name into an IP address in 4 byte form. - RETURNS IN NETWORK BYTE ORDER (big endian). -****************************************************************************/ - -uint32 interpret_addr(const char *str) -{ - uint32 ret; - - /* If it's in the form of an IP address then - * get the lib to interpret it */ - if (is_ipaddress_v4(str)) { - struct in_addr dest; - - if (inet_pton(AF_INET, str, &dest) <= 0) { - /* Error - this shouldn't happen ! */ - DEBUG(0,("interpret_addr: inet_pton failed " - "host %s\n", - str)); - return 0; - } - ret = dest.s_addr; /* NETWORK BYTE ORDER ! */ - } else { - /* Otherwise assume it's a network name of some sort and use - getadddrinfo. */ - struct addrinfo *res = NULL; - struct addrinfo *res_list = NULL; - if (!interpret_string_addr_internal(&res_list, - str, - AI_ADDRCONFIG)) { - DEBUG(3,("interpret_addr: Unknown host. %s\n",str)); - return 0; - } - - /* Find the first IPv4 address. */ - for (res = res_list; res; res = res->ai_next) { - if (res->ai_family != AF_INET) { - continue; - } - if (res->ai_addr == NULL) { - continue; - } - break; - } - if(res == NULL) { - DEBUG(3,("interpret_addr: host address is " - "invalid for host %s\n",str)); - if (res_list) { - freeaddrinfo(res_list); - } - return 0; - } - putip((char *)&ret, - &((struct sockaddr_in *)res->ai_addr)->sin_addr.s_addr); - if (res_list) { - freeaddrinfo(res_list); - } - } - - /* This is so bogus - all callers need fixing... JRA. */ - if (ret == (uint32)-1) { - return 0; - } - - return ret; -} - -/******************************************************************* - A convenient addition to interpret_addr(). -******************************************************************/ - -struct in_addr *interpret_addr2(struct in_addr *ip, const char *str) -{ - uint32 a = interpret_addr(str); - ip->s_addr = a; - return ip; -} - /******************************************************************* Map a text hostname or IP address (IPv4 or IPv6) into a struct sockaddr_storage. @@ -260,77 +78,6 @@ bool interpret_string_addr(struct sockaddr_storage *pss, } /******************************************************************* - Check if an IPv7 is 127.0.0.1 -******************************************************************/ - -bool is_loopback_ip_v4(struct in_addr ip) -{ - struct in_addr a; - a.s_addr = htonl(INADDR_LOOPBACK); - return(ip.s_addr == a.s_addr); -} - -/******************************************************************* - Check if a struct sockaddr is the loopback address. -******************************************************************/ - -bool is_loopback_addr(const struct sockaddr *pss) -{ -#if defined(HAVE_IPV6) - if (pss->sa_family == AF_INET6) { - struct in6_addr *pin6 = - &((struct sockaddr_in6 *)pss)->sin6_addr; - return IN6_IS_ADDR_LOOPBACK(pin6); - } -#endif - if (pss->sa_family == AF_INET) { - struct in_addr *pin = &((struct sockaddr_in *)pss)->sin_addr; - return is_loopback_ip_v4(*pin); - } - return false; -} - -/******************************************************************* - Check if an IPv4 is 0.0.0.0. -******************************************************************/ - -bool is_zero_ip_v4(struct in_addr ip) -{ - uint32 a; - putip((char *)&a,(char *)&ip); - return(a == 0); -} - -/******************************************************************* - Check if a struct sockaddr has an unspecified address. -******************************************************************/ - -bool is_zero_addr(const struct sockaddr *pss) -{ -#if defined(HAVE_IPV6) - if (pss->sa_family == AF_INET6) { - struct in6_addr *pin6 = - &((struct sockaddr_in6 *)pss)->sin6_addr; - return IN6_IS_ADDR_UNSPECIFIED(pin6); - } -#endif - if (pss->sa_family == AF_INET) { - struct in_addr *pin = &((struct sockaddr_in *)pss)->sin_addr; - return is_zero_ip_v4(*pin); - } - return false; -} - -/******************************************************************* - Set an IP to 0.0.0.0. -******************************************************************/ - -void zero_ip_v4(struct in_addr *ip) -{ - memset(ip, '\0', sizeof(struct in_addr)); -} - -/******************************************************************* Set an address to INADDR_ANY. ******************************************************************/ @@ -341,144 +88,6 @@ void zero_addr(struct sockaddr_storage *pss) pss->ss_family = AF_INET; } -/******************************************************************* - Are two IPs on the same subnet - IPv4 version ? -********************************************************************/ - -bool same_net_v4(struct in_addr ip1,struct in_addr ip2,struct in_addr mask) -{ - uint32 net1,net2,nmask; - - nmask = ntohl(mask.s_addr); - net1 = ntohl(ip1.s_addr); - net2 = ntohl(ip2.s_addr); - - return((net1 & nmask) == (net2 & nmask)); -} - -/******************************************************************* - Convert an IPv4 struct in_addr to a struct sockaddr_storage. -********************************************************************/ - -void in_addr_to_sockaddr_storage(struct sockaddr_storage *ss, - struct in_addr ip) -{ - struct sockaddr_in *sa = (struct sockaddr_in *)ss; - memset(ss, '\0', sizeof(*ss)); - sa->sin_family = AF_INET; - sa->sin_addr = ip; -} - -#if defined(HAVE_IPV6) -/******************************************************************* - Convert an IPv6 struct in_addr to a struct sockaddr_storage. -********************************************************************/ - - void in6_addr_to_sockaddr_storage(struct sockaddr_storage *ss, - struct in6_addr ip) -{ - struct sockaddr_in6 *sa = (struct sockaddr_in6 *)ss; - memset(ss, '\0', sizeof(*ss)); - sa->sin6_family = AF_INET6; - sa->sin6_addr = ip; -} -#endif - -/******************************************************************* - Are two IPs on the same subnet? -********************************************************************/ - -bool same_net(const struct sockaddr *ip1, - const struct sockaddr *ip2, - const struct sockaddr *mask) -{ - if (ip1->sa_family != ip2->sa_family) { - /* Never on the same net. */ - return false; - } - -#if defined(HAVE_IPV6) - if (ip1->sa_family == AF_INET6) { - struct sockaddr_in6 ip1_6 = *(struct sockaddr_in6 *)ip1; - struct sockaddr_in6 ip2_6 = *(struct sockaddr_in6 *)ip2; - struct sockaddr_in6 mask_6 = *(struct sockaddr_in6 *)mask; - char *p1 = (char *)&ip1_6.sin6_addr; - char *p2 = (char *)&ip2_6.sin6_addr; - char *m = (char *)&mask_6.sin6_addr; - int i; - - for (i = 0; i < sizeof(struct in6_addr); i++) { - *p1++ &= *m; - *p2++ &= *m; - m++; - } - return (memcmp(&ip1_6.sin6_addr, - &ip2_6.sin6_addr, - sizeof(struct in6_addr)) == 0); - } -#endif - if (ip1->sa_family == AF_INET) { - return same_net_v4(((const struct sockaddr_in *)ip1)->sin_addr, - ((const struct sockaddr_in *)ip2)->sin_addr, - ((const struct sockaddr_in *)mask)->sin_addr); - } - return false; -} - -/******************************************************************* - Are two sockaddr 's the same family and address ? Ignore port etc. -********************************************************************/ - -bool addr_equal(const struct sockaddr *ip1, - const struct sockaddr *ip2) -{ - if (ip1->sa_family != ip2->sa_family) { - /* Never the same. */ - return false; - } - -#if defined(HAVE_IPV6) - if (ip1->sa_family == AF_INET6) { - return (memcmp(&((const struct sockaddr_in6 *)ip1)->sin6_addr, - &((const struct sockaddr_in6 *)ip2)->sin6_addr, - sizeof(struct in6_addr)) == 0); - } -#endif - if (ip1->sa_family == AF_INET) { - return (memcmp(&((const struct sockaddr_in *)ip1)->sin_addr, - &((const struct sockaddr_in *)ip2)->sin_addr, - sizeof(struct in_addr)) == 0); - } - return false; -} - -/**************************************************************************** - Is an IP address the INADDR_ANY or in6addr_any value ? -****************************************************************************/ - -bool is_address_any(const struct sockaddr *psa) -{ -#if defined(HAVE_IPV6) - if (psa->sa_family == AF_INET6) { - struct sockaddr_in6 *si6 = (struct sockaddr_in6 *)psa; - if (memcmp(&in6addr_any, - &si6->sin6_addr, - sizeof(in6addr_any)) == 0) { - return true; - } - return false; - } -#endif - if (psa->sa_family == AF_INET) { - struct sockaddr_in *si = (struct sockaddr_in *)psa; - if (si->sin_addr.s_addr == INADDR_ANY) { - return true; - } - return false; - } - return false; -} - /**************************************************************************** Get a port number in host byte order from a sockaddr_storage. ****************************************************************************/ @@ -1555,7 +1164,7 @@ int open_udp_socket(const char *host, int port) int res; struct in_addr addr; - (void)interpret_addr2(&addr, host); + addr = interpret_addr2(host); res = socket(PF_INET, type, 0); if (res == -1) { diff --git a/source3/lib/wins_srv.c b/source3/lib/wins_srv.c index 0e184a6b7c..b2c0bf8b87 100644 --- a/source3/lib/wins_srv.c +++ b/source3/lib/wins_srv.c @@ -183,11 +183,11 @@ static void parse_ip(struct tagged_ip *ip, const char *str) char *s = strchr(str, ':'); if (!s) { fstrcpy(ip->tag, "*"); - (void)interpret_addr2(&ip->ip,str); + ip->ip = interpret_addr2(str); return; } - (void)interpret_addr2(&ip->ip,s+1); + ip->ip = interpret_addr2(s+1); fstrcpy(ip->tag, str); s = strchr(ip->tag, ':'); if (s) { |