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Diffstat (limited to 'server/util_uri.c')
| -rw-r--r-- | server/util_uri.c | 359 |
1 files changed, 0 insertions, 359 deletions
diff --git a/server/util_uri.c b/server/util_uri.c deleted file mode 100644 index 508c6f199c..0000000000 --- a/server/util_uri.c +++ /dev/null @@ -1,359 +0,0 @@ -/* ==================================================================== - * The Apache Software License, Version 1.1 - * - * Copyright (c) 2000-2001 The Apache Software Foundation. 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. The end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "Apache" and "Apache Software Foundation" must - * not be used to endorse or promote products derived from this - * software without prior written permission. For written - * permission, please contact apache@apache.org. - * - * 5. Products derived from this software may not be called "Apache", - * nor may "Apache" appear in their name, without prior written - * permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR - * ITS 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. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - * - * Portions of this software are based upon public domain software - * originally written at the National Center for Supercomputing Applications, - * University of Illinois, Urbana-Champaign. - */ - -/* - * util_uri.c: URI related utility things - * - */ - -#include "apr.h" -#include "apr_strings.h" - -#define APR_WANT_STRFUNC -#include "apr_want.h" - -#include "ap_config.h" -#include "httpd.h" -#include "http_log.h" -#include "util_uri.h" - -/* Some WWW schemes and their default ports; this is basically /etc/services */ -/* This will become global when the protocol abstraction comes */ -/* As the schemes are searched by a linear search, */ -/* they are sorted by their expected frequency */ -static schemes_t schemes[] = -{ - {"http", DEFAULT_HTTP_PORT}, - {"ftp", DEFAULT_FTP_PORT}, - {"https", DEFAULT_HTTPS_PORT}, - {"gopher", DEFAULT_GOPHER_PORT}, - {"wais", DEFAULT_WAIS_PORT}, - {"nntp", DEFAULT_NNTP_PORT}, - {"snews", DEFAULT_SNEWS_PORT}, - {"prospero", DEFAULT_PROSPERO_PORT}, - { NULL, 0xFFFF } /* unknown port */ -}; - - -AP_DECLARE(apr_port_t) ap_default_port_for_scheme(const char *scheme_str) -{ - schemes_t *scheme; - - for (scheme = schemes; scheme->name != NULL; ++scheme) - if (strcasecmp(scheme_str, scheme->name) == 0) - return scheme->default_port; - - return 0; -} - -AP_DECLARE(apr_port_t) ap_default_port_for_request(const request_rec *r) -{ - return (r->parsed_uri.scheme) - ? ap_default_port_for_scheme(r->parsed_uri.scheme) - : 0; -} - -/* Unparse a uri_components structure to an URI string. - * Optionally suppress the password for security reasons. - */ -AP_DECLARE(char *) ap_unparse_uri_components(apr_pool_t *p, const uri_components *uptr, unsigned flags) -{ - char *ret = ""; - - /* If suppressing the site part, omit both user name & scheme://hostname */ - if (!(flags & UNP_OMITSITEPART)) { - - /* Construct a "user:password@" string, honoring the passed UNP_ flags: */ - if (uptr->user||uptr->password) - ret = apr_pstrcat (p, - (uptr->user && !(flags & UNP_OMITUSER)) ? uptr->user : "", - (uptr->password && !(flags & UNP_OMITPASSWORD)) ? ":" : "", - (uptr->password && !(flags & UNP_OMITPASSWORD)) - ? ((flags & UNP_REVEALPASSWORD) ? uptr->password : "XXXXXXXX") - : "", - "@", NULL); - - /* Construct scheme://site string */ - if (uptr->hostname) { - int is_default_port; - - is_default_port = - (uptr->port_str == NULL || - uptr->port == 0 || - uptr->port == ap_default_port_for_scheme(uptr->scheme)); - - ret = apr_pstrcat (p, - uptr->scheme, "://", ret, - uptr->hostname ? uptr->hostname : "", - is_default_port ? "" : ":", - is_default_port ? "" : uptr->port_str, - NULL); - } - } - - /* Should we suppress all path info? */ - if (!(flags & UNP_OMITPATHINFO)) { - /* Append path, query and fragment strings: */ - ret = apr_pstrcat (p, - ret, - uptr->path ? uptr->path : "", - (uptr->query && !(flags & UNP_OMITQUERY)) ? "?" : "", - (uptr->query && !(flags & UNP_OMITQUERY)) ? uptr->query : "", - (uptr->fragment && !(flags & UNP_OMITQUERY)) ? "#" : NULL, - (uptr->fragment && !(flags & UNP_OMITQUERY)) ? uptr->fragment : NULL, - NULL); - } - return ret; -} - -/* Here is the hand-optimized parse_uri_components(). There are some wild - * tricks we could pull in assembly language that we don't pull here... like we - * can do word-at-time scans for delimiter characters using the same technique - * that fast memchr()s use. But that would be way non-portable. -djg - */ - -/* We have a apr_table_t that we can index by character and it tells us if the - * character is one of the interesting delimiters. Note that we even get - * compares for NUL for free -- it's just another delimiter. - */ - -#define T_COLON 0x01 /* ':' */ -#define T_SLASH 0x02 /* '/' */ -#define T_QUESTION 0x04 /* '?' */ -#define T_HASH 0x08 /* '#' */ -#define T_NUL 0x80 /* '\0' */ - -/* the uri_delims.h file is autogenerated by gen_uri_delims.c */ -#include "uri_delims.h" - -/* it works like this: - if (uri_delims[ch] & NOTEND_foobar) { - then we're not at a delimiter for foobar - } -*/ - -/* Note that we optimize the scheme scanning here, we cheat and let the - * compiler know that it doesn't have to do the & masking. - */ -#define NOTEND_SCHEME (0xff) -#define NOTEND_HOSTINFO (T_SLASH | T_QUESTION | T_HASH | T_NUL) -#define NOTEND_PATH (T_QUESTION | T_HASH | T_NUL) - -/* parse_uri_components(): - * Parse a given URI, fill in all supplied fields of a uri_components - * structure. This eliminates the necessity of extracting host, port, - * path, query info repeatedly in the modules. - * Side effects: - * - fills in fields of uri_components *uptr - * - none on any of the r->* fields - */ -AP_DECLARE(int) ap_parse_uri_components(apr_pool_t *p, const char *uri, uri_components *uptr) -{ - const char *s; - const char *s1; - const char *hostinfo; - char *endstr; - int port; - - /* Initialize the structure. parse_uri() and parse_uri_components() - * can be called more than once per request. - */ - memset (uptr, '\0', sizeof(*uptr)); - uptr->is_initialized = 1; - - /* We assume the processor has a branch predictor like most -- - * it assumes forward branches are untaken and backwards are taken. That's - * the reason for the gotos. -djg - */ - if (uri[0] == '/') { -deal_with_path: - /* we expect uri to point to first character of path ... remember - * that the path could be empty -- http://foobar?query for example - */ - s = uri; - while ((uri_delims[*(unsigned char *)s] & NOTEND_PATH) == 0) { - ++s; - } - if (s != uri) { - uptr->path = apr_pstrndup(p, uri, s - uri); - } - if (*s == 0) { - return HTTP_OK; - } - if (*s == '?') { - ++s; - s1 = ap_strchr_c(s, '#'); - if (s1) { - uptr->fragment = apr_pstrdup(p, s1 + 1); - uptr->query = apr_pstrndup(p, s, s1 - s); - } - else { - uptr->query = apr_pstrdup(p, s); - } - return HTTP_OK; - } - /* otherwise it's a fragment */ - uptr->fragment = apr_pstrdup(p, s + 1); - return HTTP_OK; - } - - /* find the scheme: */ - s = uri; - while ((uri_delims[*(unsigned char *)s] & NOTEND_SCHEME) == 0) { - ++s; - } - /* scheme must be non-empty and followed by :// */ - if (s == uri || s[0] != ':' || s[1] != '/' || s[2] != '/') { - goto deal_with_path; /* backwards predicted taken! */ - } - - uptr->scheme = apr_pstrndup(p, uri, s - uri); - s += 3; - hostinfo = s; - while ((uri_delims[*(unsigned char *)s] & NOTEND_HOSTINFO) == 0) { - ++s; - } - uri = s; /* whatever follows hostinfo is start of uri */ - uptr->hostinfo = apr_pstrndup(p, hostinfo, uri - hostinfo); - - /* If there's a username:password@host:port, the @ we want is the last @... - * too bad there's no memrchr()... For the C purists, note that hostinfo - * is definately not the first character of the original uri so therefore - * &hostinfo[-1] < &hostinfo[0] ... and this loop is valid C. - */ - do { - --s; - } while (s >= hostinfo && *s != '@'); - if (s < hostinfo) { - /* again we want the common case to be fall through */ -deal_with_host: - /* We expect hostinfo to point to the first character of - * the hostname. If there's a port it is the first colon. - */ - s = memchr(hostinfo, ':', uri - hostinfo); - if (s == NULL) { - /* we expect the common case to have no port */ - uptr->hostname = apr_pstrndup(p, hostinfo, uri - hostinfo); - goto deal_with_path; - } - uptr->hostname = apr_pstrndup(p, hostinfo, s - hostinfo); - ++s; - uptr->port_str = apr_pstrndup(p, s, uri - s); - if (uri != s) { - port = strtol(uptr->port_str, &endstr, 10); - uptr->port = port; - if (*endstr == '\0') { - goto deal_with_path; - } - /* Invalid characters after ':' found */ - return HTTP_BAD_REQUEST; - } - uptr->port = ap_default_port_for_scheme(uptr->scheme); - goto deal_with_path; - } - - /* first colon delimits username:password */ - s1 = memchr(hostinfo, ':', s - hostinfo); - if (s1) { - uptr->user = apr_pstrndup(p, hostinfo, s1 - hostinfo); - ++s1; - uptr->password = apr_pstrndup(p, s1, s - s1); - } - else { - uptr->user = apr_pstrndup(p, hostinfo, s - hostinfo); - } - hostinfo = s + 1; - goto deal_with_host; -} - -/* Special case for CONNECT parsing: it comes with the hostinfo part only */ -/* See the INTERNET-DRAFT document "Tunneling SSL Through a WWW Proxy" - * currently at http://www.mcom.com/newsref/std/tunneling_ssl.html - * for the format of the "CONNECT host:port HTTP/1.0" request - */ -AP_DECLARE(int) ap_parse_hostinfo_components(apr_pool_t *p, const char *hostinfo, uri_components *uptr) -{ - const char *s; - char *endstr; - - /* Initialize the structure. parse_uri() and parse_uri_components() - * can be called more than once per request. - */ - memset (uptr, '\0', sizeof(*uptr)); - uptr->is_initialized = 1; - uptr->hostinfo = apr_pstrdup(p, hostinfo); - - /* We expect hostinfo to point to the first character of - * the hostname. There must be a port, separated by a colon - */ - s = ap_strchr_c(hostinfo, ':'); - if (s == NULL) { - return HTTP_BAD_REQUEST; - } - uptr->hostname = apr_pstrndup(p, hostinfo, s - hostinfo); - ++s; - uptr->port_str = apr_pstrdup(p, s); - if (*s != '\0') { - uptr->port = (unsigned short) strtol(uptr->port_str, &endstr, 10); - if (*endstr == '\0') { - return HTTP_OK; - } - /* Invalid characters after ':' found */ - } - return HTTP_BAD_REQUEST; -} |