2 Unix SMB/CIFS implementation.
3 Samba utility functions
4 Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2008
5 Copyright (C) Andrew Tridgell 1992-1998
6 Copyright (C) Jeremy Allison 1992-2007
7 Copyright (C) Simo Sorce 2001
8 Copyright (C) Jim McDonough (jmcd@us.ibm.com) 2003.
9 Copyright (C) James J Myers 2003
10 Copyright (C) Tim Potter 2000-2001
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #include "system/network.h"
28 #include "system/locale.h"
29 #include "system/filesys.h"
30 #include "lib/util/util_net.h"
33 /*******************************************************************
34 Set an address to INADDR_ANY.
35 ******************************************************************/
37 void zero_sockaddr(struct sockaddr_storage *pss)
40 /* Ensure we're at least a valid sockaddr-storage. */
41 pss->ss_family = AF_INET;
44 static char *normalize_ipv6_literal(const char *str, char *buf, size_t *_len)
46 #define IPv6_LITERAL_NET ".ipv6-literal.net"
47 const size_t llen = sizeof(IPv6_LITERAL_NET) - 1;
52 size_t cnt_delimiter = 0;
59 /* ignore a trailing '.' */
60 if (str[len - 1] == '.') {
65 if (len >= INET6_ADDRSTRLEN) {
72 cmp = strncasecmp(&str[len], IPv6_LITERAL_NET, llen);
77 for (i = 0; i < len; i++) {
89 buf[i] = SCOPE_DELIMITER;
123 if (cnt_delimiter > 7) {
128 if (cnt_delimiter < 2) {
132 for (; idx_chars != 0 && i < len; i++) {
134 case SCOPE_DELIMITER:
144 if (idx_chars == 1) {
154 * Wrap getaddrinfo...
156 bool interpret_string_addr_internal(struct addrinfo **ppres,
157 const char *str, int flags)
160 struct addrinfo hints;
161 #if defined(HAVE_IPV6)
162 char addr[INET6_ADDRSTRLEN*2] = { 0, };
163 unsigned int scope_id = 0;
164 size_t len = strlen(str);
169 /* By default make sure it supports TCP. */
170 hints.ai_socktype = SOCK_STREAM;
172 /* always try as a numeric host first. This prevents unnecessary name
173 * lookups, and also ensures we accept IPv6 addresses */
174 hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
176 #if defined(HAVE_IPV6)
177 if (len < sizeof(addr)) {
180 p = normalize_ipv6_literal(str, addr, &len);
182 hints.ai_family = AF_INET6;
187 if (strchr_m(str, ':')) {
188 char *p = strchr_m(str, SCOPE_DELIMITER);
191 * Cope with link-local.
192 * This is IP:v6:addr%ifname.
195 if (p && (p > str) && ((scope_id = if_nametoindex(p+1)) != 0)) {
196 /* Length of string we want to copy.
197 This is IP:v6:addr (removing the %ifname).
199 len = PTR_DIFF(p,str);
201 if (len+1 > sizeof(addr)) {
202 /* string+nul too long for array. */
206 memcpy(addr, str, len);
215 ret = getaddrinfo(str, NULL, &hints, ppres);
217 #if defined(HAVE_IPV6)
218 struct sockaddr_in6 *ps6 = NULL;
226 if ((*ppres) == NULL) {
229 if ((*ppres)->ai_addr->sa_family != AF_INET6) {
233 ps6 = (struct sockaddr_in6 *)(*ppres)->ai_addr;
235 if (IN6_IS_ADDR_LINKLOCAL(&ps6->sin6_addr) &&
236 ps6->sin6_scope_id == 0) {
237 ps6->sin6_scope_id = scope_id;
244 hints.ai_flags = flags;
246 /* Linux man page on getaddrinfo() says port will be
247 uninitialized when service string is NULL */
249 ret = getaddrinfo(str, NULL,
254 DEBUG(3, ("interpret_string_addr_internal: "
255 "getaddrinfo failed for name %s (flags %d) [%s]\n",
256 str, flags, gai_strerror(ret)));
262 /*******************************************************************
263 Map a text hostname or IP address (IPv4 or IPv6) into a
264 struct sockaddr_storage. Takes a flag which allows it to
265 prefer an IPv4 address (needed for DC's).
266 ******************************************************************/
268 static bool interpret_string_addr_pref(struct sockaddr_storage *pss,
273 struct addrinfo *res = NULL;
278 if (flags & AI_NUMERICHOST) {
281 int_flags = flags|AI_ADDRCONFIG;
284 if (!interpret_string_addr_internal(&res, str, int_flags)) {
294 for (p = res; p; p = p->ai_next) {
295 if (p->ai_family == AF_INET) {
296 memcpy(pss, p->ai_addr, p->ai_addrlen);
301 /* Copy the first sockaddr. */
302 memcpy(pss, res->ai_addr, res->ai_addrlen);
305 /* Copy the first sockaddr. */
306 memcpy(pss, res->ai_addr, res->ai_addrlen);
313 /*******************************************************************
314 Map a text hostname or IP address (IPv4 or IPv6) into a
315 struct sockaddr_storage. Address agnostic version.
316 ******************************************************************/
318 bool interpret_string_addr(struct sockaddr_storage *pss,
322 return interpret_string_addr_pref(pss,
328 /*******************************************************************
329 Map a text hostname or IP address (IPv4 or IPv6) into a
330 struct sockaddr_storage. Version that prefers IPv4.
331 ******************************************************************/
333 bool interpret_string_addr_prefer_ipv4(struct sockaddr_storage *pss,
337 return interpret_string_addr_pref(pss,
344 * Interpret an internet address or name into an IP address in 4 byte form.
345 * RETURNS IN NETWORK BYTE ORDER (big endian).
348 uint32_t interpret_addr(const char *str)
352 /* If it's in the form of an IP address then
353 * get the lib to interpret it */
354 if (is_ipaddress_v4(str)) {
357 if (inet_pton(AF_INET, str, &dest) <= 0) {
358 /* Error - this shouldn't happen ! */
359 DEBUG(0,("interpret_addr: inet_pton failed "
364 ret = dest.s_addr; /* NETWORK BYTE ORDER ! */
366 /* Otherwise assume it's a network name of some sort and use
368 struct addrinfo *res = NULL;
369 struct addrinfo *res_list = NULL;
370 if (!interpret_string_addr_internal(&res_list,
373 DEBUG(3,("interpret_addr: Unknown host. %s\n",str));
377 /* Find the first IPv4 address. */
378 for (res = res_list; res; res = res->ai_next) {
379 if (res->ai_family != AF_INET) {
382 if (res->ai_addr == NULL) {
388 DEBUG(3,("interpret_addr: host address is "
389 "invalid for host %s\n",str));
391 freeaddrinfo(res_list);
396 &((struct sockaddr_in *)res->ai_addr)->sin_addr.s_addr,
399 freeaddrinfo(res_list);
403 /* This is so bogus - all callers need fixing... JRA. */
404 if (ret == (uint32_t)-1) {
412 A convenient addition to interpret_addr().
414 _PUBLIC_ struct in_addr interpret_addr2(const char *str)
417 uint32_t a = interpret_addr(str);
423 Check if an IP is the 0.0.0.0.
426 _PUBLIC_ bool is_zero_ip_v4(struct in_addr ip)
428 return ip.s_addr == 0;
432 Are two IPs on the same subnet?
435 _PUBLIC_ bool same_net_v4(struct in_addr ip1, struct in_addr ip2, struct in_addr mask)
437 uint32_t net1,net2,nmask;
439 nmask = ntohl(mask.s_addr);
440 net1 = ntohl(ip1.s_addr);
441 net2 = ntohl(ip2.s_addr);
443 return((net1 & nmask) == (net2 & nmask));
447 * Return true if a string could be an IPv4 address.
450 bool is_ipaddress_v4(const char *str)
455 ret = inet_pton(AF_INET, str, &dest);
462 bool is_ipv6_literal(const char *str)
464 #if defined(HAVE_IPV6)
465 char buf[INET6_ADDRSTRLEN*2] = { 0, };
466 size_t len = strlen(str);
469 if (len >= sizeof(buf)) {
473 p = normalize_ipv6_literal(str, buf, &len);
485 * Return true if a string could be a IPv6 address.
488 bool is_ipaddress_v6(const char *str)
490 #if defined(HAVE_IPV6)
493 char buf[INET6_ADDRSTRLEN] = { 0, };
495 const char *addr = str;
496 const char *idxs = NULL;
497 unsigned int idx = 0;
500 p = strchr_m(str, ':');
502 return is_ipv6_literal(str);
505 p = strchr_m(str, SCOPE_DELIMITER);
506 if (p && (p > str)) {
507 len = PTR_DIFF(p, str);
513 if (len >= sizeof(buf)) {
517 strncpy(buf, str, len);
522 * Cope with link-local.
523 * This is IP:v6:addr%ifidx.
528 ret = sscanf(idxs, "%5u%c", &idx, &c);
533 if (idx > 0 && idx < UINT16_MAX) {
540 * Cope with link-local.
541 * This is IP:v6:addr%ifname.
544 idx = if_nametoindex(idxs);
556 ret = inet_pton(AF_INET6, addr, &ip6);
567 * Return true if a string could be an IPv4 or IPv6 address.
570 bool is_ipaddress(const char *str)
572 return is_ipaddress_v4(str) || is_ipaddress_v6(str);
576 * Is a sockaddr a broadcast address ?
579 bool is_broadcast_addr(const struct sockaddr *pss)
581 #if defined(HAVE_IPV6)
582 if (pss->sa_family == AF_INET6) {
583 const struct in6_addr *sin6 =
584 &((const struct sockaddr_in6 *)pss)->sin6_addr;
585 return IN6_IS_ADDR_MULTICAST(sin6);
588 if (pss->sa_family == AF_INET) {
590 ntohl(((const struct sockaddr_in *)pss)->sin_addr.s_addr);
591 return addr == INADDR_BROADCAST;
597 * Check if an IPv7 is 127.0.0.1
599 bool is_loopback_ip_v4(struct in_addr ip)
602 a.s_addr = htonl(INADDR_LOOPBACK);
603 return(ip.s_addr == a.s_addr);
607 * Check if a struct sockaddr is the loopback address.
609 bool is_loopback_addr(const struct sockaddr *pss)
611 #if defined(HAVE_IPV6)
612 if (pss->sa_family == AF_INET6) {
613 const struct in6_addr *pin6 =
614 &((const struct sockaddr_in6 *)pss)->sin6_addr;
615 return IN6_IS_ADDR_LOOPBACK(pin6);
618 if (pss->sa_family == AF_INET) {
619 const struct in_addr *pin = &((const struct sockaddr_in *)pss)->sin_addr;
620 return is_loopback_ip_v4(*pin);
626 * Check if a struct sockaddr has an unspecified address.
628 bool is_zero_addr(const struct sockaddr_storage *pss)
630 #if defined(HAVE_IPV6)
631 if (pss->ss_family == AF_INET6) {
632 const struct in6_addr *pin6 =
633 &((const struct sockaddr_in6 *)pss)->sin6_addr;
634 return IN6_IS_ADDR_UNSPECIFIED(pin6);
637 if (pss->ss_family == AF_INET) {
638 const struct in_addr *pin = &((const struct sockaddr_in *)pss)->sin_addr;
639 return is_zero_ip_v4(*pin);
645 * Set an IP to 0.0.0.0.
647 void zero_ip_v4(struct in_addr *ip)
652 bool is_linklocal_addr(const struct sockaddr_storage *pss)
655 if (pss->ss_family == AF_INET6) {
656 const struct in6_addr *pin6 =
657 &((const struct sockaddr_in6 *)pss)->sin6_addr;
658 return IN6_IS_ADDR_LINKLOCAL(pin6);
661 if (pss->ss_family == AF_INET) {
662 const struct in_addr *pin =
663 &((const struct sockaddr_in *)pss)->sin_addr;
664 struct in_addr ll_addr;
665 struct in_addr mask_addr;
667 /* 169.254.0.0/16, is link local, see RFC 3927 */
668 ll_addr.s_addr = 0xa9fe0000;
669 mask_addr.s_addr = 0xffff0000;
670 return same_net_v4(*pin, ll_addr, mask_addr);
676 * Convert an IPv4 struct in_addr to a struct sockaddr_storage.
678 void in_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
681 struct sockaddr_in *sa = (struct sockaddr_in *)ss;
683 sa->sin_family = AF_INET;
687 #if defined(HAVE_IPV6)
689 * Convert an IPv6 struct in_addr to a struct sockaddr_storage.
691 void in6_addr_to_sockaddr_storage(struct sockaddr_storage *ss,
694 struct sockaddr_in6 *sa = (struct sockaddr_in6 *)ss;
695 memset(ss, '\0', sizeof(*ss));
696 sa->sin6_family = AF_INET6;
702 * Are two IPs on the same subnet?
704 bool same_net(const struct sockaddr *ip1,
705 const struct sockaddr *ip2,
706 const struct sockaddr *mask)
708 if (ip1->sa_family != ip2->sa_family) {
709 /* Never on the same net. */
713 #if defined(HAVE_IPV6)
714 if (ip1->sa_family == AF_INET6) {
715 struct sockaddr_in6 ip1_6 = *(const struct sockaddr_in6 *)ip1;
716 struct sockaddr_in6 ip2_6 = *(const struct sockaddr_in6 *)ip2;
717 struct sockaddr_in6 mask_6 = *(const struct sockaddr_in6 *)mask;
718 char *p1 = (char *)&ip1_6.sin6_addr;
719 char *p2 = (char *)&ip2_6.sin6_addr;
720 char *m = (char *)&mask_6.sin6_addr;
723 for (i = 0; i < sizeof(struct in6_addr); i++) {
728 return (memcmp(&ip1_6.sin6_addr,
730 sizeof(struct in6_addr)) == 0);
733 if (ip1->sa_family == AF_INET) {
734 return same_net_v4(((const struct sockaddr_in *)ip1)->sin_addr,
735 ((const struct sockaddr_in *)ip2)->sin_addr,
736 ((const struct sockaddr_in *)mask)->sin_addr);
742 * Are two sockaddr 's the same family and address ? Ignore port etc.
745 bool sockaddr_equal(const struct sockaddr *ip1,
746 const struct sockaddr *ip2)
748 if (ip1->sa_family != ip2->sa_family) {
749 /* Never the same. */
753 #if defined(HAVE_IPV6)
754 if (ip1->sa_family == AF_INET6) {
755 return (memcmp(&((const struct sockaddr_in6 *)ip1)->sin6_addr,
756 &((const struct sockaddr_in6 *)ip2)->sin6_addr,
757 sizeof(struct in6_addr)) == 0);
760 if (ip1->sa_family == AF_INET) {
761 return (memcmp(&((const struct sockaddr_in *)ip1)->sin_addr,
762 &((const struct sockaddr_in *)ip2)->sin_addr,
763 sizeof(struct in_addr)) == 0);
769 * Is an IP address the INADDR_ANY or in6addr_any value ?
771 bool is_address_any(const struct sockaddr *psa)
773 #if defined(HAVE_IPV6)
774 if (psa->sa_family == AF_INET6) {
775 const struct sockaddr_in6 *si6 = (const struct sockaddr_in6 *)psa;
776 if (memcmp(&in6addr_any,
778 sizeof(in6addr_any)) == 0) {
784 if (psa->sa_family == AF_INET) {
785 const struct sockaddr_in *si = (const struct sockaddr_in *)psa;
786 if (si->sin_addr.s_addr == INADDR_ANY) {
794 void set_sockaddr_port(struct sockaddr *psa, uint16_t port)
796 #if defined(HAVE_IPV6)
797 if (psa->sa_family == AF_INET6) {
798 ((struct sockaddr_in6 *)psa)->sin6_port = htons(port);
801 if (psa->sa_family == AF_INET) {
802 ((struct sockaddr_in *)psa)->sin_port = htons(port);
807 /****************************************************************************
808 Get a port number in host byte order from a sockaddr_storage.
809 ****************************************************************************/
811 uint16_t get_sockaddr_port(const struct sockaddr_storage *pss)
815 if (pss->ss_family != AF_INET) {
816 #if defined(HAVE_IPV6)
818 const struct sockaddr_in6 *sa6 =
819 (const struct sockaddr_in6 *)pss;
820 port = ntohs(sa6->sin6_port);
823 const struct sockaddr_in *sa =
824 (const struct sockaddr_in *)pss;
825 port = ntohs(sa->sin_port);
830 /****************************************************************************
831 Print out an IPv4 or IPv6 address from a struct sockaddr_storage.
832 ****************************************************************************/
834 char *print_sockaddr_len(char *dest,
836 const struct sockaddr *psa,
842 (void)sys_getnameinfo(psa,
850 /****************************************************************************
851 Print out an IPv4 or IPv6 address from a struct sockaddr_storage.
852 ****************************************************************************/
854 char *print_sockaddr(char *dest,
856 const struct sockaddr_storage *psa)
858 return print_sockaddr_len(dest, destlen, (const struct sockaddr *)psa,
859 sizeof(struct sockaddr_storage));
862 /****************************************************************************
863 Print out a canonical IPv4 or IPv6 address from a struct sockaddr_storage.
864 ****************************************************************************/
866 char *print_canonical_sockaddr(TALLOC_CTX *ctx,
867 const struct sockaddr_storage *pss)
869 char addr[INET6_ADDRSTRLEN];
873 /* Linux getnameinfo() man pages says port is unitialized if
874 service name is NULL. */
876 ret = sys_getnameinfo((const struct sockaddr *)pss,
877 sizeof(struct sockaddr_storage),
885 if (pss->ss_family != AF_INET) {
886 #if defined(HAVE_IPV6)
887 dest = talloc_asprintf(ctx, "[%s]", addr);
892 dest = talloc_asprintf(ctx, "%s", addr);
898 /****************************************************************************
899 Return the port number we've bound to on a socket.
900 ****************************************************************************/
902 int get_socket_port(int fd)
904 struct sockaddr_storage sa;
905 socklen_t length = sizeof(sa);
911 if (getsockname(fd, (struct sockaddr *)&sa, &length) < 0) {
912 int level = (errno == ENOTCONN) ? 2 : 0;
913 DEBUG(level, ("getsockname failed. Error was %s\n",
918 #if defined(HAVE_IPV6)
919 if (sa.ss_family == AF_INET6) {
920 struct sockaddr_in6 *sa_in6 = (struct sockaddr_in6 *)&sa;
921 return ntohs(sa_in6->sin6_port);
924 if (sa.ss_family == AF_INET) {
925 struct sockaddr_in *sa_in = (struct sockaddr_in *)&sa;
926 return ntohs(sa_in->sin_port);
931 /****************************************************************************
932 Return the string of an IP address (IPv4 or IPv6).
933 ****************************************************************************/
935 static const char *get_socket_addr(int fd, char *addr_buf, size_t addr_len)
937 struct sockaddr_storage sa;
938 socklen_t length = sizeof(sa);
940 /* Ok, returning a hard coded IPv4 address
941 * is bogus, but it's just as bogus as a
942 * zero IPv6 address. No good choice here.
945 if (strlcpy(addr_buf, "0.0.0.0", addr_len) >= addr_len) {
954 if (getsockname(fd, (struct sockaddr *)&sa, &length) < 0) {
955 DEBUG(0,("getsockname failed. Error was %s\n",
960 return print_sockaddr_len(addr_buf, addr_len, (struct sockaddr *)&sa, length);
963 const char *client_socket_addr(int fd, char *addr, size_t addr_len)
965 return get_socket_addr(fd, addr, addr_len);
969 enum SOCK_OPT_TYPES {OPT_BOOL,OPT_INT,OPT_ON};
971 typedef struct smb_socket_option {
979 static const smb_socket_option socket_options[] = {
980 {"SO_KEEPALIVE", SOL_SOCKET, SO_KEEPALIVE, 0, OPT_BOOL},
981 {"SO_REUSEADDR", SOL_SOCKET, SO_REUSEADDR, 0, OPT_BOOL},
982 {"SO_BROADCAST", SOL_SOCKET, SO_BROADCAST, 0, OPT_BOOL},
984 {"TCP_NODELAY", IPPROTO_TCP, TCP_NODELAY, 0, OPT_BOOL},
987 {"TCP_KEEPCNT", IPPROTO_TCP, TCP_KEEPCNT, 0, OPT_INT},
990 {"TCP_KEEPIDLE", IPPROTO_TCP, TCP_KEEPIDLE, 0, OPT_INT},
993 {"TCP_KEEPINTVL", IPPROTO_TCP, TCP_KEEPINTVL, 0, OPT_INT},
995 #ifdef IPTOS_LOWDELAY
996 {"IPTOS_LOWDELAY", IPPROTO_IP, IP_TOS, IPTOS_LOWDELAY, OPT_ON},
998 #ifdef IPTOS_THROUGHPUT
999 {"IPTOS_THROUGHPUT", IPPROTO_IP, IP_TOS, IPTOS_THROUGHPUT, OPT_ON},
1002 {"SO_REUSEPORT", SOL_SOCKET, SO_REUSEPORT, 0, OPT_BOOL},
1005 {"SO_SNDBUF", SOL_SOCKET, SO_SNDBUF, 0, OPT_INT},
1008 {"SO_RCVBUF", SOL_SOCKET, SO_RCVBUF, 0, OPT_INT},
1011 {"SO_SNDLOWAT", SOL_SOCKET, SO_SNDLOWAT, 0, OPT_INT},
1014 {"SO_RCVLOWAT", SOL_SOCKET, SO_RCVLOWAT, 0, OPT_INT},
1017 {"SO_SNDTIMEO", SOL_SOCKET, SO_SNDTIMEO, 0, OPT_INT},
1020 {"SO_RCVTIMEO", SOL_SOCKET, SO_RCVTIMEO, 0, OPT_INT},
1023 {"TCP_FASTACK", IPPROTO_TCP, TCP_FASTACK, 0, OPT_INT},
1026 {"TCP_QUICKACK", IPPROTO_TCP, TCP_QUICKACK, 0, OPT_BOOL},
1028 #ifdef TCP_NODELAYACK
1029 {"TCP_NODELAYACK", IPPROTO_TCP, TCP_NODELAYACK, 0, OPT_BOOL},
1031 #ifdef TCP_KEEPALIVE_THRESHOLD
1032 {"TCP_KEEPALIVE_THRESHOLD", IPPROTO_TCP, TCP_KEEPALIVE_THRESHOLD, 0, OPT_INT},
1034 #ifdef TCP_KEEPALIVE_ABORT_THRESHOLD
1035 {"TCP_KEEPALIVE_ABORT_THRESHOLD", IPPROTO_TCP, TCP_KEEPALIVE_ABORT_THRESHOLD, 0, OPT_INT},
1037 #ifdef TCP_DEFER_ACCEPT
1038 {"TCP_DEFER_ACCEPT", IPPROTO_TCP, TCP_DEFER_ACCEPT, 0, OPT_INT},
1042 /****************************************************************************
1043 Print socket options.
1044 ****************************************************************************/
1046 static void print_socket_options(int s)
1050 const smb_socket_option *p = &socket_options[0];
1052 /* wrapped in if statement to prevent streams
1053 * leak in SCO Openserver 5.0 */
1054 /* reported on samba-technical --jerry */
1055 if ( DEBUGLEVEL >= 5 ) {
1056 DEBUG(5,("Socket options:\n"));
1057 for (; p->name != NULL; p++) {
1058 if (getsockopt(s, p->level, p->option,
1059 (void *)&value, &vlen) == -1) {
1060 DEBUGADD(5,("\tCould not test socket option %s.\n",
1063 DEBUGADD(5,("\t%s = %d\n",
1070 /****************************************************************************
1071 Set user socket options.
1072 ****************************************************************************/
1074 void set_socket_options(int fd, const char *options)
1076 TALLOC_CTX *ctx = talloc_new(NULL);
1079 while (next_token_talloc(ctx, &options, &tok," \t,")) {
1083 bool got_value = false;
1085 if ((p = strchr_m(tok,'='))) {
1091 for (i=0;socket_options[i].name;i++)
1092 if (strequal(socket_options[i].name,tok))
1095 if (!socket_options[i].name) {
1096 DEBUG(0,("Unknown socket option %s\n",tok));
1100 switch (socket_options[i].opttype) {
1103 ret = setsockopt(fd,socket_options[i].level,
1104 socket_options[i].option,
1105 (char *)&value,sizeof(int));
1110 DEBUG(0,("syntax error - %s "
1111 "does not take a value\n",tok));
1114 int on = socket_options[i].value;
1115 ret = setsockopt(fd,socket_options[i].level,
1116 socket_options[i].option,
1117 (char *)&on,sizeof(int));
1123 /* be aware that some systems like Solaris return
1124 * EINVAL to a setsockopt() call when the client
1125 * sent a RST previously - no need to worry */
1126 DEBUG(2,("Failed to set socket option %s (Error %s)\n",
1127 tok, strerror(errno) ));
1132 print_socket_options(fd);