1 /*
2 * Copyright (c) 2013, 2014
3 * Inferno Nettverk A/S, Norway. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. The above copyright notice, this list of conditions and the following
9 * disclaimer must appear in all copies of the software, derivative works
10 * or modified versions, and any portions thereof, aswell as in all
11 * supporting documentation.
12 * 2. All advertising materials mentioning features or use of this software
13 * must display the following acknowledgement:
14 * This product includes software developed by
15 * Inferno Nettverk A/S, Norway.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * Inferno Nettverk A/S requests users of this software to return to
31 *
32 * Software Distribution Coordinator or sdc@inet.no
33 * Inferno Nettverk A/S
34 * Oslo Research Park
35 * Gaustadall�en 21
36 * NO-0349 Oslo
37 * Norway
38 *
39 * any improvements or extensions that they make and grant Inferno Nettverk A/S
40 * the rights to redistribute these changes.
41 */
42
43 #include "common.h"
44
45 static const char rcsid[] =
46 "$Id: fmt_customer.c,v 1.13.4.1 2014/08/15 18:16:40 karls Exp $";
47
48 /*
49 * Nothing here should be changed without regression-testing against
50 * the appropriate customer-test.
51 */
52
53 void
log_connectfailed(side,dststr)54 log_connectfailed(side, dststr)
55 const interfaceside_t side;
56 const char *dststr;
57 {
58 const char *function = "log_connectfailed()";
59 const int ll = loglevel_errno(errno, side);
60
61 if (ERRNOISNOROUTE(errno))
62 slog(ll, "no route to %s: %s", dststr, strerror(errno));
63 else if (errno == EINPROGRESS)
64 slog(ll, "connect to host %s is now in progress", dststr);
65 else
66 slog(ll, "connect to host %s failed: %s", dststr, strerror(errno));
67 }
68
69 void
log_writefailed(side,s,dst)70 log_writefailed(side, s, dst)
71 const interfaceside_t side;
72 const int s;
73 const struct sockaddr_storage *dst;
74 {
75 const int ll = loglevel_errno(errno, side);
76 const int errno_s = errno;
77 char dststr[MAXSOCKADDRSTRING];
78
79 if (dst != NULL)
80 sockaddr2string(dst, dststr, sizeof(dststr));
81 else {
82 struct sockaddr_storage p;
83 socklen_t len;
84
85 len = sizeof(p);
86 if (getpeername(s, TOSA(&p), &len) == -1)
87 snprintf(dststr, sizeof(dststr), "N/A");
88 else
89 sockaddr2string(&p, dststr, sizeof(dststr));
90 }
91
92 errno = errno_s;
93
94 if (ERRNOISNOROUTE(errno))
95 slog(ll, "no route to %s: %s", dststr, strerror(errno));
96 else
97 slog(ll, "send to host %s failed: %s", dststr, strerror(errno));
98 }
99
100 void
log_resolvefailed(hostname,side,gaierr)101 log_resolvefailed(hostname, side, gaierr)
102 const char *hostname;
103 const interfaceside_t side;
104 const int gaierr;
105 {
106 const int ll = loglevel_gaierr(gaierr, side);
107 char visbuf[MAXHOSTNAMELEN * 4];
108
109 slog(ll, "could not DNS-resolve \"%s\": %s",
110 str2vis(hostname, strlen(hostname), visbuf, sizeof(visbuf)),
111 gaierr == EAI_SYSTEM ? strerror(errno) : gai_strerror(gaierr));
112 }
113
114 void
log_reversemapfailed(addr,side,gaierr)115 log_reversemapfailed(addr, side, gaierr)
116 const struct sockaddr_storage *addr;
117 const interfaceside_t side;
118 const int gaierr;
119 {
120 const int ll = loglevel_gaierr(gaierr, side);
121 char addrstring[256];
122
123 switch (socks_inet_pton(addr->ss_family,
124 GET_SOCKADDRADDR(addr),
125 addrstring,
126 NULL)) {
127 case 1:
128 break;
129
130 case 0:
131 STRCPY_ASSERTSIZE(addrstring, "<nonsense address>");
132 break;
133
134 case -1:
135 default:
136 strncpy(addrstring, strerror(errno), sizeof(addrstring) - 1);
137 addrstring[sizeof(addrstring) - 1] = NUL;
138 break;
139 }
140
141 slog(ll, "could not DNS reversemap address %s: %s",
142 addrstring,
143 gaierr == EAI_SYSTEM ? strerror(errno) : gai_strerror(gaierr));
144 }
145
146 #if !SOCKS_CLIENT
147
148 void
log_clientdropped(client)149 log_clientdropped(client)
150 const struct sockaddr_storage *client;
151 {
152
153 slog(LOG_WARNING, "new client from %s dropped: no resources",
154 sockaddr2string(client, NULL, 0));
155 }
156
157 void
log_addchild_failed(void)158 log_addchild_failed(void)
159 {
160
161 slog(LOG_WARNING, "failed to add a new child to handle new clients");
162 }
163
164 #endif /* !SOCKS_CLIENT */
165