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Diffstat (limited to 'third_party/heimdal/lib/roken/getaddrinfo_hostspec.c')
-rw-r--r--third_party/heimdal/lib/roken/getaddrinfo_hostspec.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/getaddrinfo_hostspec.c b/third_party/heimdal/lib/roken/getaddrinfo_hostspec.c
new file mode 100644
index 0000000..4541219
--- /dev/null
+++ b/third_party/heimdal/lib/roken/getaddrinfo_hostspec.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2000 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include "roken.h"
+
+/* getaddrinfo via string specifying host and port */
+
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+roken_getaddrinfo_hostspec2(const char *hostspec,
+ int socktype,
+ int port,
+ struct addrinfo **ai)
+{
+ const char *p;
+ char portstr[NI_MAXSERV];
+ char host[MAXHOSTNAMELEN];
+ struct addrinfo hints;
+ int hostspec_len;
+
+ struct hst {
+ const char *prefix;
+ int socktype;
+ int protocol;
+ int port;
+ } *hstp, hst[] = {
+ { "http://", SOCK_STREAM, IPPROTO_TCP, 80 },
+ { "http/", SOCK_STREAM, IPPROTO_TCP, 80 },
+ { "tcp/", SOCK_STREAM, IPPROTO_TCP, 0 },
+ { "udp/", SOCK_DGRAM, IPPROTO_UDP, 0 },
+ { NULL, 0, 0, 0 }
+ };
+
+ memset(&hints, 0, sizeof(hints));
+
+ hints.ai_socktype = socktype;
+
+ for(hstp = hst; hstp->prefix; hstp++) {
+ if(strncmp(hostspec, hstp->prefix, strlen(hstp->prefix)) == 0) {
+ hints.ai_socktype = hstp->socktype;
+ hints.ai_protocol = hstp->protocol;
+ if(port == 0)
+ port = hstp->port;
+ hostspec += strlen(hstp->prefix);
+ break;
+ }
+ }
+
+ p = strchr (hostspec, ':');
+ if (p != NULL) {
+ char *end;
+
+ port = strtol (p + 1, &end, 0);
+ hostspec_len = p - hostspec;
+ } else {
+ hostspec_len = strlen(hostspec);
+ }
+ snprintf (portstr, sizeof(portstr), "%u", port);
+
+ snprintf (host, sizeof(host), "%.*s", hostspec_len, hostspec);
+ return getaddrinfo (host, portstr, &hints, ai);
+}
+
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+roken_getaddrinfo_hostspec(const char *hostspec,
+ int port,
+ struct addrinfo **ai)
+{
+ return roken_getaddrinfo_hostspec2(hostspec, 0, port, ai);
+}