#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.
return true;
}
-/*******************************************************************
- 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.
******************************************************************/
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.
****************************************************************************/
int res;
struct in_addr addr;
- (void)interpret_addr2(&addr, host);
+ addr = interpret_addr2(host);
res = socket(PF_INET, type, 0);
if (res == -1) {
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