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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <ctype.h>
#include <strings.h>
#include <stdlib.h>
#include <parseURL.h>
#define HTTP_SCHEME "http://"
#define HTTPS_SCHEME "https://"
/*
* This routine parses a hostport string and initializes an url_hport_t
* structure with its contents. Technically, a hostport string does not
* require a port component. In the case, where there is no port component
* in the hostport string, this routine will initialize the url_hport_t
* structure with the default port supplied by the caller.
*
* A host port string should be of the form -> host[:port]
*
* Returns: One of the URL parsing error return codes.
*/
int
url_parse_hostport(const char *hpstr, url_hport_t *hport, ushort_t def_port)
{
char *lhpstr;
char *ptr;
char *optr;
size_t hlen;
lhpstr = strdup(hpstr);
if (lhpstr == NULL) {
return (URL_PARSE_NOMEM);
}
/*
* Find the host/port separator.
*/
ptr = lhpstr;
optr = ptr;
ptr = strstr(optr, ":");
if (ptr != NULL) {
*ptr = '\0';
ptr++;
}
/*
* Copy in the hostname and check to see that it was a
* a valid size.
*/
hlen = strlcpy(hport->hostname, optr, sizeof (hport->hostname));
if (hlen == 0 || hlen >= sizeof (hport->hostname)) {
free(lhpstr);
return (URL_PARSE_BAD_HOSTPORT);
}
/*
* If the hostport string does not contain a port, then use
* the default port provided by the caller.
*/
if (ptr == NULL || *ptr == '\0') {
hport->port = def_port;
} else {
hport->port = 0;
while (*ptr != '\0') {
if (!isdigit(*ptr)) {
free(lhpstr);
return (URL_PARSE_BAD_HOSTPORT);
}
hport->port *= 10;
hport->port += (*ptr - '0');
ptr++;
}
}
free(lhpstr);
return (URL_PARSE_SUCCESS);
}
/*
* This routine parses an http or https URL and initializes an url_t
* structure with its contents.
*
* A URL string should be of the form -> http[s]://host[:port]/abspath
*
* Returns: One of the URL parsing error return codes.
*/
int
url_parse(const char *urlstr, url_t *url) {
char *lurlstr;
char *ptr;
char *optr;
size_t plen;
int ret;
lurlstr = strdup(urlstr);
if (lurlstr == NULL) {
return (URL_PARSE_NOMEM);
}
/*
* Determine 'http' or 'https'.
*/
ptr = lurlstr;
if (strncmp(ptr, HTTP_SCHEME, strlen(HTTP_SCHEME)) == 0) {
ptr += strlen(HTTP_SCHEME);
url->https = B_FALSE;
} else if (strncmp(ptr, HTTPS_SCHEME, strlen(HTTPS_SCHEME)) == 0) {
ptr += strlen(HTTPS_SCHEME);
url->https = B_TRUE;
} else {
free(lurlstr);
return (URL_PARSE_BAD_SCHEME);
}
/*
* Find the hostport/abspath separator.
*/
optr = ptr;
ptr = strstr(optr, "/");
if (ptr != NULL) {
*ptr = '\0';
}
/*
* Parse the hostport entity; supply suitable port defaults.
*/
ret = url_parse_hostport(optr, &url->hport, url->https ?
URL_DFLT_HTTPS_SRVR_PORT : URL_DFLT_SRVR_PORT);
if (ret != URL_PARSE_SUCCESS) {
free(lurlstr);
return (ret);
}
/*
* If the URL string does not contain an abspath, then supply "/"
* by default.
*/
if (ptr != NULL) {
*ptr = '/';
plen = strlcpy(url->abspath, ptr, sizeof (url->abspath));
if (plen >= sizeof (url->abspath)) {
free(lurlstr);
return (URL_PARSE_BAD_ABSPATH);
}
} else {
(void) strlcpy(url->abspath, "/", sizeof (url->abspath));
}
free(lurlstr);
return (URL_PARSE_SUCCESS);
}
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