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Diffstat (limited to 'contrib/bind/lib/isc/ctl_p.c')
-rw-r--r--contrib/bind/lib/isc/ctl_p.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/contrib/bind/lib/isc/ctl_p.c b/contrib/bind/lib/isc/ctl_p.c
new file mode 100644
index 000000000000..d70a05fe7ea0
--- /dev/null
+++ b/contrib/bind/lib/isc/ctl_p.c
@@ -0,0 +1,156 @@
+#if !defined(lint) && !defined(SABER)
+static const char rcsid[] = "$Id: ctl_p.c,v 8.6 1999/10/13 16:39:34 vixie Exp $";
+#endif /* not lint */
+
+/*
+ * Copyright (c) 1998,1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/* Extern. */
+
+#include "port_before.h"
+
+#include <sys/param.h>
+#include <sys/file.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <isc/assertions.h>
+#include <isc/eventlib.h>
+#include <isc/logging.h>
+#include <isc/memcluster.h>
+#include <isc/ctl.h>
+
+#include "ctl_p.h"
+
+#include "port_after.h"
+
+/* Constants. */
+
+const char * const ctl_sevnames[] = {
+ "debug", "warning", "error"
+};
+
+/* Public. */
+
+/*
+ * ctl_logger()
+ * if ctl_startup()'s caller didn't specify a logger, this one
+ * is used. this pollutes stderr with all kinds of trash so it will
+ * probably never be used in real applications.
+ */
+void
+ctl_logger(enum ctl_severity severity, const char *format, ...) {
+ va_list ap;
+ static const char me[] = "ctl_logger";
+
+ fprintf(stderr, "%s(%s): ", me, ctl_sevnames[severity]);
+ va_start(ap, format);
+ vfprintf(stderr, format, ap);
+ va_end(ap);
+ fputc('\n', stderr);
+}
+
+int
+ctl_bufget(struct ctl_buf *buf, ctl_logfunc logger) {
+ static const char me[] = "ctl_bufget";
+
+ REQUIRE(!allocated_p(*buf) && buf->used == 0);
+ buf->text = memget(MAX_LINELEN);
+ if (!allocated_p(*buf)) {
+ (*logger)(ctl_error, "%s: getmem: %s", me, strerror(errno));
+ return (-1);
+ }
+ buf->used = 0;
+ return (0);
+}
+
+void
+ctl_bufput(struct ctl_buf *buf) {
+
+ REQUIRE(allocated_p(*buf));
+ memput(buf->text, MAX_LINELEN);
+ buf->text = NULL;
+ buf->used = 0;
+}
+
+const char *
+ctl_sa_ntop(const struct sockaddr *sa,
+ char *buf, size_t size,
+ ctl_logfunc logger)
+{
+ static const char me[] = "ctl_sa_ntop";
+ static const char punt[] = "[0].-1";
+ char tmp[sizeof "255.255.255.255"];
+
+ switch (sa->sa_family) {
+ case AF_INET: {
+ const struct sockaddr_in *in = (struct sockaddr_in *) sa;
+
+ if (inet_ntop(in->sin_family, &in->sin_addr, tmp, sizeof tmp)
+ == NULL) {
+ (*logger)(ctl_error, "%s: inet_ntop(%u %04x %08x): %s",
+ me, in->sin_family,
+ in->sin_port, in->sin_addr.s_addr,
+ strerror(errno));
+ return (punt);
+ }
+ if (strlen(tmp) + sizeof "[].65535" > size) {
+ (*logger)(ctl_error, "%s: buffer overflow", me);
+ return (punt);
+ }
+ (void) sprintf(buf, "[%s].%u", tmp, ntohs(in->sin_port));
+ return (buf);
+ }
+ case AF_UNIX: {
+ const struct sockaddr_un *un = (struct sockaddr_un *) sa;
+ int x = sizeof un->sun_path;
+
+ if (x > size)
+ x = size;
+ strncpy(buf, un->sun_path, x - 1);
+ buf[x - 1] = '\0';
+ return (buf);
+ }
+ default:
+ return (punt);
+ }
+}
+
+void
+ctl_sa_copy(const struct sockaddr *src, struct sockaddr *dst) {
+ switch (src->sa_family) {
+ case AF_INET:
+ *((struct sockaddr_in *)dst) = *((struct sockaddr_in *)src);
+ break;
+ case AF_UNIX:
+ *((struct sockaddr_un *)dst) = *((struct sockaddr_un *)src);
+ break;
+ default:
+ *dst = *src;
+ break;
+ }
+}