diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr-util/uri/apr_uri.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr-util/uri/apr_uri.c | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr-util/uri/apr_uri.c b/rubbos/app/httpd-2.0.64/srclib/apr-util/uri/apr_uri.c deleted file mode 100644 index 78144ee6..00000000 --- a/rubbos/app/httpd-2.0.64/srclib/apr-util/uri/apr_uri.c +++ /dev/null @@ -1,412 +0,0 @@ -/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as - * applicable. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * apr_uri.c: URI related utility things - * - */ - -#include <stdlib.h> - -#include "apu.h" -#include "apr.h" -#include "apr_general.h" -#include "apr_strings.h" - -#define APR_WANT_STRFUNC -#include "apr_want.h" - -#include "apr_uri.h" - -typedef struct schemes_t schemes_t; - -/** Structure to store various schemes and their default ports */ -struct schemes_t { - /** The name of the scheme */ - const char *name; - /** The default port for the scheme */ - apr_port_t default_port; -}; - -/* 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", APR_URI_HTTP_DEFAULT_PORT}, - {"ftp", APR_URI_FTP_DEFAULT_PORT}, - {"https", APR_URI_HTTPS_DEFAULT_PORT}, - {"gopher", APR_URI_GOPHER_DEFAULT_PORT}, - {"ldap", APR_URI_LDAP_DEFAULT_PORT}, - {"nntp", APR_URI_NNTP_DEFAULT_PORT}, - {"snews", APR_URI_SNEWS_DEFAULT_PORT}, - {"imap", APR_URI_IMAP_DEFAULT_PORT}, - {"pop", APR_URI_POP_DEFAULT_PORT}, - {"sip", APR_URI_SIP_DEFAULT_PORT}, - {"rtsp", APR_URI_RTSP_DEFAULT_PORT}, - {"wais", APR_URI_WAIS_DEFAULT_PORT}, - {"z39.50r", APR_URI_WAIS_DEFAULT_PORT}, - {"z39.50s", APR_URI_WAIS_DEFAULT_PORT}, - {"prospero", APR_URI_PROSPERO_DEFAULT_PORT}, - {"nfs", APR_URI_NFS_DEFAULT_PORT}, - {"tip", APR_URI_TIP_DEFAULT_PORT}, - {"acap", APR_URI_ACAP_DEFAULT_PORT}, - {"telnet", APR_URI_TELNET_DEFAULT_PORT}, - {"ssh", APR_URI_SSH_DEFAULT_PORT}, - { NULL, 0xFFFF } /* unknown port */ -}; - -APU_DECLARE(apr_port_t) apr_uri_port_of_scheme(const char *scheme_str) -{ - schemes_t *scheme; - - if (scheme_str) { - for (scheme = schemes; scheme->name != NULL; ++scheme) { - if (strcasecmp(scheme_str, scheme->name) == 0) { - return scheme->default_port; - } - } - } - return 0; -} - -/** @deprecated @see apr_uri_port_of_scheme */ -APU_DECLARE(apr_port_t) apr_uri_default_port_for_scheme(const char *scheme_str) -{ - return apr_uri_port_of_scheme(scheme_str); -} - -/* Unparse a apr_uri_t structure to an URI string. - * Optionally suppress the password for security reasons. - */ -APU_DECLARE(char *) apr_uri_unparse(apr_pool_t *p, - const apr_uri_t *uptr, - unsigned flags) -{ - char *ret = ""; - - /* If suppressing the site part, omit both user name & scheme://hostname */ - if (!(flags & APR_URI_UNP_OMITSITEPART)) { - - /* Construct a "user:password@" string, honoring the passed - * APR_URI_UNP_ flags: */ - if (uptr->user || uptr->password) { - ret = apr_pstrcat(p, - (uptr->user && !(flags & APR_URI_UNP_OMITUSER)) - ? uptr->user : "", - (uptr->password && !(flags & APR_URI_UNP_OMITPASSWORD)) - ? ":" : "", - (uptr->password && !(flags & APR_URI_UNP_OMITPASSWORD)) - ? ((flags & APR_URI_UNP_REVEALPASSWORD) - ? uptr->password : "XXXXXXXX") - : "", - ((uptr->user && !(flags & APR_URI_UNP_OMITUSER)) || - (uptr->password && !(flags & APR_URI_UNP_OMITPASSWORD))) - ? "@" : "", - NULL); - } - - /* Construct scheme://site string */ - if (uptr->hostname) { - int is_default_port; - const char *lbrk = "", *rbrk = ""; - - if (strchr(uptr->hostname, ':')) { /* v6 literal */ - lbrk = "["; - rbrk = "]"; - } - - is_default_port = - (uptr->port_str == NULL || - uptr->port == 0 || - uptr->port == apr_uri_port_of_scheme(uptr->scheme)); - - if (uptr->scheme) { - ret = apr_pstrcat(p, - uptr->scheme, "://", ret, - lbrk, uptr->hostname, rbrk, - is_default_port ? "" : ":", - is_default_port ? "" : uptr->port_str, - NULL); - } - else { - /* A violation of RFC2396, but it is clear from section 3.2 - * that the : belongs above to the scheme, while // belongs - * to the authority, so include the authority prefix while - * omitting the "scheme:" that the user neglected to pass us. - */ - ret = apr_pstrcat(p, - "//", ret, lbrk, uptr->hostname, rbrk, - is_default_port ? "" : ":", - is_default_port ? "" : uptr->port_str, - NULL); - } - } - } - - /* Should we suppress all path info? */ - if (!(flags & APR_URI_UNP_OMITPATHINFO)) { - /* Append path, query and fragment strings: */ - ret = apr_pstrcat(p, - ret, - (uptr->path) - ? uptr->path : "", - (uptr->query && !(flags & APR_URI_UNP_OMITQUERY)) - ? "?" : "", - (uptr->query && !(flags & APR_URI_UNP_OMITQUERY)) - ? uptr->query : "", - (uptr->fragment && !(flags & APR_URI_UNP_OMITQUERY)) - ? "#" : NULL, - (uptr->fragment && !(flags & APR_URI_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 - */ -APU_DECLARE(apr_status_t) apr_uri_parse(apr_pool_t *p, const char *uri, - apr_uri_t *uptr) -{ - const char *s; - const char *s1; - const char *hostinfo; - char *endstr; - int port; - int v6_offset1 = 0, v6_offset2 = 0; - - /* 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_pstrmemdup(p, uri, s - uri); - } - if (*s == 0) { - return APR_SUCCESS; - } - if (*s == '?') { - ++s; - s1 = strchr(s, '#'); - if (s1) { - uptr->fragment = apr_pstrdup(p, s1 + 1); - uptr->query = apr_pstrmemdup(p, s, s1 - s); - } - else { - uptr->query = apr_pstrdup(p, s); - } - return APR_SUCCESS; - } - /* otherwise it's a fragment */ - uptr->fragment = apr_pstrdup(p, s + 1); - return APR_SUCCESS; - } - - /* 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_pstrmemdup(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_pstrmemdup(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, - * except with IPv6. - */ - if (*hostinfo == '[') { - v6_offset1 = 1; - v6_offset2 = 2; - s = memchr(hostinfo, ']', uri - hostinfo); - if (s == NULL) { - return APR_EGENERAL; - } - if (*++s != ':') { - s = NULL; /* no port */ - } - } - else { - s = memchr(hostinfo, ':', uri - hostinfo); - } - if (s == NULL) { - /* we expect the common case to have no port */ - uptr->hostname = apr_pstrmemdup(p, - hostinfo + v6_offset1, - uri - hostinfo - v6_offset2); - goto deal_with_path; - } - uptr->hostname = apr_pstrmemdup(p, - hostinfo + v6_offset1, - s - hostinfo - v6_offset2); - ++s; - uptr->port_str = apr_pstrmemdup(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 APR_EGENERAL; - } - uptr->port = apr_uri_port_of_scheme(uptr->scheme); - goto deal_with_path; - } - - /* first colon delimits username:password */ - s1 = memchr(hostinfo, ':', s - hostinfo); - if (s1) { - uptr->user = apr_pstrmemdup(p, hostinfo, s1 - hostinfo); - ++s1; - uptr->password = apr_pstrmemdup(p, s1, s - s1); - } - else { - uptr->user = apr_pstrmemdup(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 - */ -APU_DECLARE(apr_status_t) apr_uri_parse_hostinfo(apr_pool_t *p, - const char *hostinfo, - apr_uri_t *uptr) -{ - const char *s; - char *endstr; - const char *rsb; - int v6_offset1 = 0; - - /* 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 - */ - if (*hostinfo == '[') { - if ((rsb = strchr(hostinfo, ']')) == NULL || - *(rsb + 1) != ':') { - return APR_EGENERAL; - } - /* literal IPv6 address */ - s = rsb + 1; - ++hostinfo; - v6_offset1 = 1; - } - else { - s = strchr(hostinfo, ':'); - } - if (s == NULL) { - return APR_EGENERAL; - } - uptr->hostname = apr_pstrndup(p, hostinfo, s - hostinfo - v6_offset1); - ++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 APR_SUCCESS; - } - /* Invalid characters after ':' found */ - } - return APR_EGENERAL; -} |