diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/getaddrinfo_hostspec.c')
-rw-r--r-- | crypto/heimdal/lib/roken/getaddrinfo_hostspec.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/roken/getaddrinfo_hostspec.c b/crypto/heimdal/lib/roken/getaddrinfo_hostspec.c new file mode 100644 index 0000000..76e5d2b --- /dev/null +++ b/crypto/heimdal/lib/roken/getaddrinfo_hostspec.c @@ -0,0 +1,89 @@ +/* + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: getaddrinfo_hostspec.c,v 1.1 2000/02/07 13:38:22 joda Exp $"); +#endif + +#include "roken.h" + +/* getaddrinfo via string specifying host and port */ + +int +roken_getaddrinfo_hostspec(const char *hostspec, + int port, + struct addrinfo **ai) +{ + const char *p; + char portstr[NI_MAXSERV]; + char host[MAXHOSTNAMELEN]; + struct addrinfo hints; + + 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 }, + { "udp/", SOCK_DGRAM, IPPROTO_UDP }, + { NULL } + }; + + memset(&hints, 0, sizeof(hints)); + + 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); + } + snprintf (portstr, sizeof(portstr), "%u", port); + + snprintf (host, sizeof(host), "%.*s", p - hostspec, hostspec); + return getaddrinfo (host, portstr, &hints, ai); +} |