1 #if !defined(lint) && !defined(SABER)
2 static const char rcsid[] = "$Id: ctl_p.c,v 1.1.2.2 2004/03/17 00:40:14 marka Exp $";
6 * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
7 * Copyright (c) 1998,1999 by Internet Software Consortium.
9 * Permission to use, copy, modify, and distribute this software for any
10 * purpose with or without fee is hereby granted, provided that the above
11 * copyright notice and this permission notice appear in all copies.
13 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
19 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
24 #include "port_before.h"
26 #include <sys/param.h>
28 #include <sys/socket.h>
31 #include <netinet/in.h>
32 #include <arpa/nameser.h>
33 #include <arpa/inet.h>
41 #include <isc/assertions.h>
42 #include <isc/eventlib.h>
43 #include <isc/logging.h>
44 #include <isc/memcluster.h>
49 #include "port_after.h"
53 const char * const ctl_sevnames[] = {
54 "debug", "warning", "error"
61 * if ctl_startup()'s caller didn't specify a logger, this one
62 * is used. this pollutes stderr with all kinds of trash so it will
63 * probably never be used in real applications.
66 ctl_logger(enum ctl_severity severity, const char *format, ...) {
68 static const char me[] = "ctl_logger";
70 fprintf(stderr, "%s(%s): ", me, ctl_sevnames[severity]);
72 vfprintf(stderr, format, ap);
78 ctl_bufget(struct ctl_buf *buf, ctl_logfunc logger) {
79 static const char me[] = "ctl_bufget";
81 REQUIRE(!allocated_p(*buf) && buf->used == 0U);
82 buf->text = memget(MAX_LINELEN);
83 if (!allocated_p(*buf)) {
84 (*logger)(ctl_error, "%s: getmem: %s", me, strerror(errno));
92 ctl_bufput(struct ctl_buf *buf) {
94 REQUIRE(allocated_p(*buf));
95 memput(buf->text, MAX_LINELEN);
101 ctl_sa_ntop(const struct sockaddr *sa,
102 char *buf, size_t size,
105 static const char me[] = "ctl_sa_ntop";
106 static const char punt[] = "[0].-1";
107 char tmp[INET6_ADDRSTRLEN];
109 switch (sa->sa_family) {
111 const struct sockaddr_in6 *in6 =
112 (const struct sockaddr_in6 *) sa;
114 if (inet_ntop(in6->sin6_family, &in6->sin6_addr, tmp, sizeof tmp)
116 (*logger)(ctl_error, "%s: inet_ntop(%u %04x): %s",
117 me, in6->sin6_family,
118 in6->sin6_port, strerror(errno));
121 if (strlen(tmp) + sizeof "[].65535" > size) {
122 (*logger)(ctl_error, "%s: buffer overflow", me);
125 (void) sprintf(buf, "[%s].%u", tmp, ntohs(in6->sin6_port));
129 const struct sockaddr_in *in =
130 (const struct sockaddr_in *) sa;
132 if (inet_ntop(in->sin_family, &in->sin_addr, tmp, sizeof tmp)
134 (*logger)(ctl_error, "%s: inet_ntop(%u %04x %08x): %s",
136 in->sin_port, in->sin_addr.s_addr,
140 if (strlen(tmp) + sizeof "[].65535" > size) {
141 (*logger)(ctl_error, "%s: buffer overflow", me);
144 (void) sprintf(buf, "[%s].%u", tmp, ntohs(in->sin_port));
147 #ifndef NO_SOCKADDR_UN
149 const struct sockaddr_un *un =
150 (const struct sockaddr_un *) sa;
151 unsigned int x = sizeof un->sun_path;
155 strncpy(buf, un->sun_path, x - 1);
166 ctl_sa_copy(const struct sockaddr *src, struct sockaddr *dst) {
167 switch (src->sa_family) {
169 *((struct sockaddr_in6 *)dst) =
170 *((const struct sockaddr_in6 *)src);
173 *((struct sockaddr_in *)dst) =
174 *((const struct sockaddr_in *)src);
176 #ifndef NO_SOCKADDR_UN
178 *((struct sockaddr_un *)dst) =
179 *((const struct sockaddr_un *)src);