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diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 569199d..4c33ee1 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -17,7 +17,7 @@ libexec_PROGRAMS = check_disk check_dummy check_http check_load \
17 urlize @EXTRAS@ 17 urlize @EXTRAS@
18 18
19check_tcp_programs = check_ftp check_imap check_nntp check_pop \ 19check_tcp_programs = check_ftp check_imap check_nntp check_pop \
20 check_udp2 @check_tcp_ssl@ 20 check_udp2 check_clamd @check_tcp_ssl@
21 21
22EXTRA_PROGRAMS = check_mysql check_radius check_pgsql check_snmp check_hpjd \ 22EXTRA_PROGRAMS = check_mysql check_radius check_pgsql check_snmp check_hpjd \
23 check_swap check_fping check_ldap check_game check_dig \ 23 check_swap check_fping check_ldap check_game check_dig \
diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 1b6513b..3aef1e7 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -177,6 +177,12 @@ main (int argc, char **argv)
177 QUIT = "QUIT\r\n"; 177 QUIT = "QUIT\r\n";
178 PORT = 119; 178 PORT = 119;
179 } 179 }
180 else if (strncmp(SERVICE, "CLAMD", 5)) {
181 SEND = "PING";
182 EXPECT = "PONG";
183 QUIT = NULL;
184 PORT = 3310;
185 }
180 /* fallthrough check, so it's supposed to use reverse matching */ 186 /* fallthrough check, so it's supposed to use reverse matching */
181 else if (strcmp (SERVICE, "TCP")) 187 else if (strcmp (SERVICE, "TCP"))
182 usage (_("CRITICAL - Generic check_tcp called with unknown service\n")); 188 usage (_("CRITICAL - Generic check_tcp called with unknown service\n"));
@@ -318,10 +324,14 @@ main (int argc, char **argv)
318 printf(_("%s %s - "), SERVICE, state_text(result)); 324 printf(_("%s %s - "), SERVICE, state_text(result));
319 325
320 if(match == -2 && len && !(flags & FLAG_HIDE_OUTPUT)) 326 if(match == -2 && len && !(flags & FLAG_HIDE_OUTPUT))
321 printf("Unexpected response from host: %s", status); 327 printf("Unexpected response from host/socket: %s", status);
322 else 328 else {
323 printf("%.3f second response time on port %d", 329 printf("%.3f second response time on ", elapsed_time);
324 elapsed_time, server_port); 330 if(server_address[0] != '/')
331 printf("port %d", server_port);
332 else
333 printf("socket %s", server_address);
334 }
325 335
326 if (match != -2 && !(flags & FLAG_HIDE_OUTPUT) && len) 336 if (match != -2 && !(flags & FLAG_HIDE_OUTPUT) && len)
327 printf (" [%s]", status); 337 printf (" [%s]", status);
@@ -431,8 +441,6 @@ process_arguments (int argc, char **argv)
431#endif 441#endif
432 break; 442 break;
433 case 'H': /* hostname */ 443 case 'H': /* hostname */
434 if (is_host (optarg) == FALSE)
435 usage2 (_("Invalid hostname/address"), optarg);
436 server_address = optarg; 444 server_address = optarg;
437 break; 445 break;
438 case 'c': /* critical */ 446 case 'c': /* critical */
@@ -542,6 +550,8 @@ process_arguments (int argc, char **argv)
542 550
543 if (server_address == NULL) 551 if (server_address == NULL)
544 usage4 (_("You must provide a server address")); 552 usage4 (_("You must provide a server address"));
553 else if (is_host (optarg) == FALSE && optarg[0] != '/')
554 usage2 (_("Invalid hostname, address, or socket"), optarg);
545 555
546 return TRUE; 556 return TRUE;
547} 557}
@@ -555,7 +565,7 @@ print_help (void)
555 printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n"); 565 printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
556 printf (COPYRIGHT, copyright, email); 566 printf (COPYRIGHT, copyright, email);
557 567
558 printf (_("This plugin tests %s connections with the specified host.\n\n"), 568 printf (_("This plugin tests %s connections with the specified host (or unix socket).\n\n"),
559 SERVICE); 569 SERVICE);
560 570
561 print_usage (); 571 print_usage ();
diff --git a/plugins/netutils.c b/plugins/netutils.c
index 0824527..6f3a151 100644
--- a/plugins/netutils.c
+++ b/plugins/netutils.c
@@ -155,42 +155,46 @@ process_request (const char *server_address, int server_port, int proto,
155} 155}
156 156
157 157
158/* opens a tcp or udp connection to a remote host */ 158/* opens a tcp or udp connection to a remote host or local socket */
159int 159int
160np_net_connect (const char *host_name, int port, int *sd, int proto) 160np_net_connect (const char *host_name, int port, int *sd, int proto)
161{ 161{
162 struct addrinfo hints; 162 struct addrinfo hints;
163 struct addrinfo *res, *res0; 163 struct addrinfo *r, *res;
164 struct sockaddr_un su;
164 char port_str[6]; 165 char port_str[6];
165 int result; 166 int socktype, result;
166 167
167 memset (&hints, 0, sizeof (hints)); 168 socktype = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
168 hints.ai_family = address_family;
169 hints.ai_protocol = proto;
170 hints.ai_socktype = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
171 169
172 snprintf (port_str, sizeof (port_str), "%d", port); 170 /* as long as it doesn't start with a '/', it's assumed a host or ip */
173 result = getaddrinfo (host_name, port_str, &hints, &res0); 171 if(host_name[0] != '/'){
172 memset (&hints, 0, sizeof (hints));
173 hints.ai_family = address_family;
174 hints.ai_protocol = proto;
175 hints.ai_socktype = socktype;
174 176
175 if (result != 0) { 177 snprintf (port_str, sizeof (port_str), "%d", port);
176 printf ("%s\n", gai_strerror (result)); 178 result = getaddrinfo (host_name, port_str, &hints, &res);
177 return STATE_UNKNOWN; 179
178 } 180 if (result != 0) {
179 else { 181 printf ("%s\n", gai_strerror (result));
180 res = res0; 182 return STATE_UNKNOWN;
181 while (res) { 183 }
184
185 r = res;
186 while (r) {
182 /* attempt to create a socket */ 187 /* attempt to create a socket */
183 *sd = socket (res->ai_family, (proto == IPPROTO_UDP) ? 188 *sd = socket (r->ai_family, socktype, r->ai_protocol);
184 SOCK_DGRAM : SOCK_STREAM, res->ai_protocol);
185 189
186 if (*sd < 0) { 190 if (*sd < 0) {
187 printf (_("Socket creation failed\n")); 191 printf (_("Socket creation failed\n"));
188 freeaddrinfo (res); 192 freeaddrinfo (r);
189 return STATE_UNKNOWN; 193 return STATE_UNKNOWN;
190 } 194 }
191 195
192 /* attempt to open a connection */ 196 /* attempt to open a connection */
193 result = connect (*sd, res->ai_addr, res->ai_addrlen); 197 result = connect (*sd, r->ai_addr, r->ai_addrlen);
194 198
195 if (result == 0) { 199 if (result == 0) {
196 was_refused = FALSE; 200 was_refused = FALSE;
@@ -206,9 +210,25 @@ np_net_connect (const char *host_name, int port, int *sd, int proto)
206 } 210 }
207 211
208 close (*sd); 212 close (*sd);
209 res = res->ai_next; 213 r = r->ai_next;
214 }
215 freeaddrinfo (res);
216 }
217 /* else the hostname is interpreted as a path to a unix socket */
218 else {
219 if(strlen(host_name) >= UNIX_PATH_MAX){
220 die(_("Supplied path too long unix domain socket"));
221 }
222 memset(&su, 0, sizeof(su));
223 su.sun_family = AF_UNIX;
224 strncpy(su.sun_path, host_name, UNIX_PATH_MAX);
225 *sd = socket(PF_UNIX, SOCK_STREAM, 0);
226 if(sd < 0){
227 die(_("Socket creation failed"));
210 } 228 }
211 freeaddrinfo (res0); 229 result = connect(*sd, (struct sockaddr *)&su, sizeof(su));
230 if (result < 0 && errno == ECONNREFUSED)
231 was_refused = TRUE;
212 } 232 }
213 233
214 if (result == 0) 234 if (result == 0)
diff --git a/plugins/netutils.h b/plugins/netutils.h
index 9b0557d..8bc7bd6 100644
--- a/plugins/netutils.h
+++ b/plugins/netutils.h
@@ -40,6 +40,14 @@
40#include <netinet/in.h> 40#include <netinet/in.h>
41#include <arpa/inet.h> 41#include <arpa/inet.h>
42 42
43#ifdef HAVE_SYS_UN_H
44# include <sys/un.h>
45# ifndef UNIX_PATH_MAX
46 /* linux uses this, on sun it's hard-coded at 108 without a define */
47# define UNIX_PATH_MAX 108
48# endif /* UNIX_PATH_MAX */
49#endif /* HAVE_SYS_UN_H */
50
43RETSIGTYPE socket_timeout_alarm_handler (int) __attribute__((noreturn)); 51RETSIGTYPE socket_timeout_alarm_handler (int) __attribute__((noreturn));
44 52
45/* process_request and wrapper macros */ 53/* process_request and wrapper macros */
diff --git a/plugins/utils.h b/plugins/utils.h
index ffdb545..2d97634 100644
--- a/plugins/utils.h
+++ b/plugins/utils.h
@@ -139,7 +139,7 @@ char *fperfdata (const char *,
139 139
140#define UT_HOST_PORT "\ 140#define UT_HOST_PORT "\
141 -H, --hostname=ADDRESS\n\ 141 -H, --hostname=ADDRESS\n\
142 Host name or IP Address\n\ 142 Host name, IP Address, or unix socket (must be an absolute path)\n\
143 -%c, --port=INTEGER\n\ 143 -%c, --port=INTEGER\n\
144 Port number (default: %s)\n" 144 Port number (default: %s)\n"
145 145