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@@ -1,1907 +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.c: string utility things
- *
- * 3/21/93 Rob McCool
- * 1995-96 Many changes by the Apache Software Foundation
- *
- */
-
-/* Debugging aid:
- * #define DEBUG to trace all cfg_open*()/cfg_closefile() calls
- * #define DEBUG_CFG_LINES to trace every line read from the config files
- */
-
-#include "apr.h"
-#include "apr_strings.h"
-#include "apr_lib.h"
-
-#define APR_WANT_STDIO
-#define APR_WANT_STRFUNC
-#include "apr_want.h"
-
-#if APR_HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if APR_HAVE_NETDB_H
-#include <netdb.h> /* for gethostbyname() */
-#endif
-
-#define CORE_PRIVATE
-
-#include "ap_config.h"
-#include "apr_base64.h"
-#include "httpd.h"
-#include "http_main.h"
-#include "http_log.h"
-#include "http_protocol.h"
-#include "http_config.h"
-#include "util_ebcdic.h"
-
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#ifdef HAVE_GRP_H
-#include <grp.h>
-#endif
-
-/* A bunch of functions in util.c scan strings looking for certain characters.
- * To make that more efficient we encode a lookup table. The test_char_table
- * is generated automatically by gen_test_char.c.
- */
-#include "test_char.h"
-
-/* we assume the folks using this ensure 0 <= c < 256... which means
- * you need a cast to (unsigned char) first, you can't just plug a
- * char in here and get it to work, because if char is signed then it
- * will first be sign extended.
- */
-#define TEST_CHAR(c, f) (test_char_table[(unsigned)(c)] & (f))
-
-/*
- * Examine a field value (such as a media-/content-type) string and return
- * it sans any parameters; e.g., strip off any ';charset=foo' and the like.
- */
-AP_DECLARE(char *) ap_field_noparam(apr_pool_t *p, const char *intype)
-{
- const char *semi;
-
- if (intype == NULL) return NULL;
-
- semi = ap_strchr_c(intype, ';');
- if (semi == NULL) {
- return apr_pstrdup(p, intype);
- }
- else {
- while ((semi > intype) && apr_isspace(semi[-1])) {
- semi--;
- }
- return apr_pstrndup(p, intype, semi - intype);
- }
-}
-
-AP_DECLARE(char *) ap_ht_time(apr_pool_t *p, apr_time_t t, const char *fmt, int gmt)
-{
- apr_size_t retcode;
- char ts[MAX_STRING_LEN];
- char tf[MAX_STRING_LEN];
- apr_exploded_time_t xt;
-
- if (gmt) {
- const char *f;
- char *strp;
-
- apr_explode_gmt(&xt, t);
- /* Convert %Z to "GMT" and %z to "+0000";
- * on hosts that do not have a time zone string in struct tm,
- * strftime must assume its argument is local time.
- */
- for(strp = tf, f = fmt; strp < tf + sizeof(tf) - 6 && (*strp = *f)
- ; f++, strp++) {
- if (*f != '%') continue;
- switch (f[1]) {
- case '%':
- *++strp = *++f;
- break;
- case 'Z':
- *strp++ = 'G';
- *strp++ = 'M';
- *strp = 'T';
- f++;
- break;
- case 'z': /* common extension */
- *strp++ = '+';
- *strp++ = '0';
- *strp++ = '0';
- *strp++ = '0';
- *strp = '0';
- f++;
- break;
- }
- }
- *strp = '\0';
- fmt = tf;
- }
- else {
- apr_explode_localtime(&xt, t);
- }
-
- /* check return code? */
- apr_strftime(ts, &retcode, MAX_STRING_LEN, fmt, &xt);
- ts[MAX_STRING_LEN - 1] = '\0';
- return apr_pstrdup(p, ts);
-}
-
-/* Roy owes Rob beer. */
-/* Rob owes Roy dinner. */
-
-/* These legacy comments would make a lot more sense if Roy hadn't
- * replaced the old later_than() routine with util_date.c.
- *
- * Well, okay, they still wouldn't make any sense.
- */
-
-/* Match = 0, NoMatch = 1, Abort = -1
- * Based loosely on sections of wildmat.c by Rich Salz
- * Hmmm... shouldn't this really go component by component?
- */
-AP_DECLARE(int) ap_strcmp_match(const char *str, const char *exp)
-{
- int x, y;
-
- for (x = 0, y = 0; exp[y]; ++y, ++x) {
- if ((!str[x]) && (exp[y] != '*'))
- return -1;
- if (exp[y] == '*') {
- while (exp[++y] == '*');
- if (!exp[y])
- return 0;
- while (str[x]) {
- int ret;
- if ((ret = ap_strcmp_match(&str[x++], &exp[y])) != 1)
- return ret;
- }
- return -1;
- }
- else if ((exp[y] != '?') && (str[x] != exp[y]))
- return 1;
- }
- return (str[x] != '\0');
-}
-
-AP_DECLARE(int) ap_strcasecmp_match(const char *str, const char *exp)
-{
- int x, y;
-
- for (x = 0, y = 0; exp[y]; ++y, ++x) {
- if ((!str[x]) && (exp[y] != '*'))
- return -1;
- if (exp[y] == '*') {
- while (exp[++y] == '*');
- if (!exp[y])
- return 0;
- while (str[x]) {
- int ret;
- if ((ret = ap_strcasecmp_match(&str[x++], &exp[y])) != 1)
- return ret;
- }
- return -1;
- }
- else if ((exp[y] != '?') && (apr_tolower(str[x]) != apr_tolower(exp[y])))
- return 1;
- }
- return (str[x] != '\0');
-}
-
-AP_DECLARE(int) ap_is_matchexp(const char *str)
-{
- register int x;
-
- for (x = 0; str[x]; x++)
- if ((str[x] == '*') || (str[x] == '?'))
- return 1;
- return 0;
-}
-
-/*
- * Here's a pool-based interface to POSIX regex's regcomp().
- * Note that we return regex_t instead of being passed one.
- * The reason is that if you use an already-used regex_t structure,
- * the memory that you've already allocated gets forgotten, and
- * regfree() doesn't clear it. So we don't allow it.
- */
-
-static apr_status_t regex_cleanup(void *preg)
-{
- regfree((regex_t *) preg);
- return APR_SUCCESS;
-}
-
-AP_DECLARE(regex_t *) ap_pregcomp(apr_pool_t *p, const char *pattern,
- int cflags)
-{
- regex_t *preg = apr_palloc(p, sizeof(regex_t));
-
- if (regcomp(preg, pattern, cflags)) {
- return NULL;
- }
-
- apr_pool_cleanup_register(p, (void *) preg, regex_cleanup, regex_cleanup);
-
- return preg;
-}
-
-AP_DECLARE(void) ap_pregfree(apr_pool_t *p, regex_t * reg)
-{
- regfree(reg);
- apr_pool_cleanup_kill(p, (void *) reg, regex_cleanup);
-}
-
-/*
- * Similar to standard strstr() but we ignore case in this version.
- * Based on the strstr() implementation further below.
- */
-AP_DECLARE(char *) ap_strcasestr(const char *s1, const char *s2)
-{
- char *p1, *p2;
- if (*s2 == '\0') {
- /* an empty s2 */
- return((char *)s1);
- }
- while(1) {
- for ( ; (*s1 != '\0') && (apr_tolower(*s1) != apr_tolower(*s2)); s1++);
- if (*s1 == '\0') return(NULL);
- /* found first character of s2, see if the rest matches */
- p1 = (char *)s1;
- p2 = (char *)s2;
- while (apr_tolower(*++p1) == apr_tolower(*++p2)) {
- if (*p1 == '\0') {
- /* both strings ended together */
- return((char *)s1);
- }
- }
- if (*p2 == '\0') {
- /* second string ended, a match */
- break;
- }
- /* didn't find a match here, try starting at next character in s1 */
- s1++;
- }
- return((char *)s1);
-}
-
-/*
- * Returns an offsetted pointer in bigstring immediately after
- * prefix. Returns bigstring if bigstring doesn't start with
- * prefix or if prefix is longer than bigstring while still matching.
- * NOTE: pointer returned is relative to bigstring, so we
- * can use standard pointer comparisons in the calling function
- * (eg: test if ap_stripprefix(a,b) == a)
- */
-AP_DECLARE(const char *) ap_stripprefix(const char *bigstring,
- const char *prefix)
-{
- const char *p1;
-
- if (*prefix == '\0')
- return bigstring;
-
- p1 = bigstring;
- while (*p1 && *prefix) {
- if (*p1++ != *prefix++)
- return bigstring;
- }
- if (*prefix == '\0')
- return p1;
-
- /* hit the end of bigstring! */
- return bigstring;
-}
-
-/*
- * Apache stub function for the regex libraries regexec() to make sure the
- * whole regex(3) API is available through the Apache (exported) namespace.
- * This is especially important for the DSO situations of modules.
- * DO NOT MAKE A MACRO OUT OF THIS FUNCTION!
- */
-AP_DECLARE(int) ap_regexec(regex_t *preg, const char *string,
- size_t nmatch, regmatch_t pmatch[], int eflags)
-{
- return regexec(preg, string, nmatch, pmatch, eflags);
-}
-
-AP_DECLARE(size_t) ap_regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size)
-{
- return regerror(errcode, preg, errbuf, errbuf_size);
-}
-
-
-/* This function substitutes for $0-$9, filling in regular expression
- * submatches. Pass it the same nmatch and pmatch arguments that you
- * passed ap_regexec(). pmatch should not be greater than the maximum number
- * of subexpressions - i.e. one more than the re_nsub member of regex_t.
- *
- * input should be the string with the $-expressions, source should be the
- * string that was matched against.
- *
- * It returns the substituted string, or NULL on error.
- *
- * Parts of this code are based on Henry Spencer's regsub(), from his
- * AT&T V8 regexp package.
- */
-
-AP_DECLARE(char *) ap_pregsub(apr_pool_t *p, const char *input, const char *source,
- size_t nmatch, regmatch_t pmatch[])
-{
- const char *src = input;
- char *dest, *dst;
- char c;
- size_t no;
- int len;
-
- if (!source)
- return NULL;
- if (!nmatch)
- return apr_pstrdup(p, src);
-
- /* First pass, find the size */
-
- len = 0;
-
- while ((c = *src++) != '\0') {
- if (c == '&')
- no = 0;
- else if (c == '$' && apr_isdigit(*src))
- no = *src++ - '0';
- else
- no = 10;
-
- if (no > 9) { /* Ordinary character. */
- if (c == '\\' && (*src == '$' || *src == '&'))
- c = *src++;
- len++;
- }
- else if (no < nmatch && pmatch[no].rm_so < pmatch[no].rm_eo) {
- len += pmatch[no].rm_eo - pmatch[no].rm_so;
- }
-
- }
-
- dest = dst = apr_pcalloc(p, len + 1);
-
- /* Now actually fill in the string */
-
- src = input;
-
- while ((c = *src++) != '\0') {
- if (c == '&')
- no = 0;
- else if (c == '$' && apr_isdigit(*src))
- no = *src++ - '0';
- else
- no = 10;
-
- if (no > 9) { /* Ordinary character. */
- if (c == '\\' && (*src == '$' || *src == '&'))
- c = *src++;
- *dst++ = c;
- }
- else if (no < nmatch && pmatch[no].rm_so < pmatch[no].rm_eo) {
- len = pmatch[no].rm_eo - pmatch[no].rm_so;
- memcpy(dst, source + pmatch[no].rm_so, len);
- dst += len;
- }
-
- }
- *dst = '\0';
-
- return dest;
-}
-
-/*
- * Parse .. so we don't compromise security
- */
-AP_DECLARE(void) ap_getparents(char *name)
-{
- int l, w;
-
- /* Four paseses, as per RFC 1808 */
- /* a) remove ./ path segments */
-
- for (l = 0, w = 0; name[l] != '\0';) {
- if (name[l] == '.' && name[l + 1] == '/' && (l == 0 || name[l - 1] == '/'))
- l += 2;
- else
- name[w++] = name[l++];
- }
-
- /* b) remove trailing . path, segment */
- if (w == 1 && name[0] == '.')
- w--;
- else if (w > 1 && name[w - 1] == '.' && name[w - 2] == '/')
- w--;
- name[w] = '\0';
-
- /* c) remove all xx/../ segments. (including leading ../ and /../) */
- l = 0;
-
- while (name[l] != '\0') {
- if (name[l] == '.' && name[l + 1] == '.' && name[l + 2] == '/' &&
- (l == 0 || name[l - 1] == '/')) {
- register int m = l + 3, n;
-
- l = l - 2;
- if (l >= 0) {
- while (l >= 0 && name[l] != '/')
- l--;
- l++;
- }
- else
- l = 0;
- n = l;
- while ((name[n] = name[m]))
- (++n, ++m);
- }
- else
- ++l;
- }
-
- /* d) remove trailing xx/.. segment. */
- if (l == 2 && name[0] == '.' && name[1] == '.')
- name[0] = '\0';
- else if (l > 2 && name[l - 1] == '.' && name[l - 2] == '.' && name[l - 3] == '/') {
- l = l - 4;
- if (l >= 0) {
- while (l >= 0 && name[l] != '/')
- l--;
- l++;
- }
- else
- l = 0;
- name[l] = '\0';
- }
-}
-
-AP_DECLARE(void) ap_no2slash(char *name)
-{
- char *d, *s;
-
- s = d = name;
-
-#ifdef HAVE_UNC_PATHS
- /* Check for UNC names. Leave leading two slashes. */
- if (s[0] == '/' && s[1] == '/')
- *d++ = *s++;
-#endif
-
- while (*s) {
- if ((*d++ = *s) == '/') {
- do {
- ++s;
- } while (*s == '/');
- }
- else {
- ++s;
- }
- }
- *d = '\0';
-}
-
-
-/*
- * copy at most n leading directories of s into d
- * d should be at least as large as s plus 1 extra byte
- * assumes n > 0
- * the return value is the ever useful pointer to the trailing \0 of d
- *
- * MODIFIED FOR HAVE_DRIVE_LETTERS and NETWARE environments,
- * so that if n == 0, "/" is returned in d with n == 1
- * and s == "e:/test.html", "e:/" is returned in d
- * *** See also directory_walk in modules/http/http_request.c
-
- * examples:
- * /a/b, 0 ==> / (true for all platforms)
- * /a/b, 1 ==> /
- * /a/b, 2 ==> /a/
- * /a/b, 3 ==> /a/b/
- * /a/b, 4 ==> /a/b/
- *
- * c:/a/b 0 ==> /
- * c:/a/b 1 ==> c:/
- * c:/a/b 2 ==> c:/a/
- * c:/a/b 3 ==> c:/a/b
- * c:/a/b 4 ==> c:/a/b
- */
-AP_DECLARE(char *) ap_make_dirstr_prefix(char *d, const char *s, int n)
-{
- if (n < 1) {
- *d = '/';
- *++d = '\0';
- return (d);
- }
-
- for (;;) {
- if (*s == '\0' || (*s == '/' && (--n) == 0)) {
- *d = '/';
- break;
- }
- *d++ = *s++;
- }
- *++d = 0;
- return (d);
-}
-
-
-/*
- * return the parent directory name including trailing / of the file s
- */
-AP_DECLARE(char *) ap_make_dirstr_parent(apr_pool_t *p, const char *s)
-{
- const char *last_slash = ap_strrchr_c(s, '/');
- char *d;
- int l;
-
- if (last_slash == NULL) {
- /* XXX: well this is really broken if this happens */
- return (apr_pstrdup(p, "/"));
- }
- l = (last_slash - s) + 1;
- d = apr_palloc(p, l + 1);
- memcpy(d, s, l);
- d[l] = 0;
- return (d);
-}
-
-
-AP_DECLARE(int) ap_count_dirs(const char *path)
-{
- register int x, n;
-
- for (x = 0, n = 0; path[x]; x++)
- if (path[x] == '/')
- n++;
- return n;
-}
-
-AP_DECLARE(char *) ap_getword_nc(apr_pool_t *atrans, char **line, char stop)
-{
- return ap_getword(atrans, (const char **) line, stop);
-}
-
-AP_DECLARE(char *) ap_getword(apr_pool_t *atrans, const char **line, char stop)
-{
- const char *pos = ap_strchr_c(*line, stop);
- char *res;
-
- if (!pos) {
- res = apr_pstrdup(atrans, *line);
- *line += strlen(*line);
- return res;
- }
-
- res = apr_pstrndup(atrans, *line, pos - *line);
-
- while (*pos == stop) {
- ++pos;
- }
-
- *line = pos;
-
- return res;
-}
-
-AP_DECLARE(char *) ap_getword_white_nc(apr_pool_t *atrans, char **line)
-{
- return ap_getword_white(atrans, (const char **) line);
-}
-
-AP_DECLARE(char *) ap_getword_white(apr_pool_t *atrans, const char **line)
-{
- int pos = -1, x;
- char *res;
-
- for (x = 0; (*line)[x]; x++) {
- if (apr_isspace((*line)[x])) {
- pos = x;
- break;
- }
- }
-
- if (pos == -1) {
- res = apr_pstrdup(atrans, *line);
- *line += strlen(*line);
- return res;
- }
-
- res = apr_palloc(atrans, pos + 1);
- apr_cpystrn(res, *line, pos + 1);
-
- while (apr_isspace((*line)[pos]))
- ++pos;
-
- *line += pos;
-
- return res;
-}
-
-AP_DECLARE(char *) ap_getword_nulls_nc(apr_pool_t *atrans, char **line, char stop)
-{
- return ap_getword_nulls(atrans, (const char **) line, stop);
-}
-
-AP_DECLARE(char *) ap_getword_nulls(apr_pool_t *atrans, const char **line, char stop)
-{
- const char *pos = ap_strchr_c(*line, stop);
- char *res;
-
- if (!pos) {
- res = apr_pstrdup(atrans, *line);
- *line += strlen(*line);
- return res;
- }
-
- res = apr_pstrndup(atrans, *line, pos - *line);
-
- ++pos;
-
- *line = pos;
-
- return res;
-}
-
-/* Get a word, (new) config-file style --- quoted strings and backslashes
- * all honored
- */
-
-static char *substring_conf(apr_pool_t *p, const char *start, int len, char quote)
-{
- char *result = apr_palloc(p, len + 2);
- char *resp = result;
- int i;
-
- for (i = 0; i < len; ++i) {
- if (start[i] == '\\' && (start[i + 1] == '\\'
- || (quote && start[i + 1] == quote)))
- *resp++ = start[++i];
- else
- *resp++ = start[i];
- }
-
- *resp++ = '\0';
-#if RESOLVE_ENV_PER_TOKEN
- return ap_resolve_env(p,result);
-#else
- return result;
-#endif
-}
-
-AP_DECLARE(char *) ap_getword_conf_nc(apr_pool_t *p, char **line)
-{
- return ap_getword_conf(p, (const char **) line);
-}
-
-AP_DECLARE(char *) ap_getword_conf(apr_pool_t *p, const char **line)
-{
- const char *str = *line, *strend;
- char *res;
- char quote;
-
- while (*str && apr_isspace(*str))
- ++str;
-
- if (!*str) {
- *line = str;
- return "";
- }
-
- if ((quote = *str) == '"' || quote == '\'') {
- strend = str + 1;
- while (*strend && *strend != quote) {
- if (*strend == '\\' && strend[1] && strend[1] == quote)
- strend += 2;
- else
- ++strend;
- }
- res = substring_conf(p, str + 1, strend - str - 1, quote);
-
- if (*strend == quote)
- ++strend;
- }
- else {
- strend = str;
- while (*strend && !apr_isspace(*strend))
- ++strend;
-
- res = substring_conf(p, str, strend - str, 0);
- }
-
- while (*strend && apr_isspace(*strend))
- ++strend;
- *line = strend;
- return res;
-}
-
-/* Check a string for any ${ENV} environment variable
- * construct and replace each them by the value of
- * that environment variable, if it exists. If the
- * environment value does not exist, leave the ${ENV}
- * construct alone; it means something else.
- */
-AP_DECLARE(const char *) ap_resolve_env(apr_pool_t *p, const char * word)
-{
- char tmp[ MAX_STRING_LEN ];
- const char *s, *e;
- tmp[0] = '\0';
-
- if (!(s=ap_strchr_c(word,'$')))
- return word;
-
- do {
- /* XXX - relies on strncat() to add '\0'
- */
- strncat(tmp,word,s - word);
- if ((s[1] == '{') && (e=ap_strchr_c(s,'}'))) {
- const char *e2 = e;
- word = e + 1;
- e = getenv(s+2);
- if (e) {
- strcat(tmp,e);
- } else {
- strncat(tmp, s, e2-s);
- strcat(tmp,"}");
- }
- } else {
- /* ignore invalid strings */
- word = s+1;
- strcat(tmp,"$");
- };
- } while ((s=ap_strchr_c(word,'$')));
- strcat(tmp,word);
-
- return apr_pstrdup(p,tmp);
-}
-AP_DECLARE(int) ap_cfg_closefile(ap_configfile_t *cfp)
-{
-#ifdef DEBUG
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, NULL,
- "Done with config file %s", cfp->name);
-#endif
- return (cfp->close == NULL) ? 0 : cfp->close(cfp->param);
-}
-
-static apr_status_t cfg_close(void *param)
-{
- apr_file_t *cfp = (apr_file_t *) param;
- return (apr_file_close(cfp));
-}
-
-static int cfg_getch(void *param)
-{
- char ch;
- apr_file_t *cfp = (apr_file_t *) param;
- if (apr_file_getc(&ch, cfp) == APR_SUCCESS)
- return ch;
- return (int)EOF;
-}
-
-static void *cfg_getstr(void *buf, size_t bufsiz, void *param)
-{
- apr_file_t *cfp = (apr_file_t *) param;
- apr_status_t rv;
- rv = apr_file_gets(buf, bufsiz, cfp);
- if (rv == APR_SUCCESS || (rv == APR_EOF && strcmp(buf, "")))
- return buf;
- return NULL;
-}
-
-/* Open a ap_configfile_t as FILE, return open ap_configfile_t struct pointer */
-AP_DECLARE(apr_status_t) ap_pcfg_openfile(ap_configfile_t **ret_cfg, apr_pool_t *p, const char *name)
-{
- ap_configfile_t *new_cfg;
- apr_file_t *file = NULL;
- apr_finfo_t finfo;
- apr_status_t status;
-#ifdef DEBUG
- char buf[120];
-#endif
-
- if (name == NULL) {
- ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, 0, NULL,
- "Internal error: pcfg_openfile() called with NULL filename");
- return APR_EBADF;
- }
-
- /* ### We no longer need the test ap_os_is_filename_valid() here
- * The directory was already walked on a segment by segment basis,
- * so we should never be called with a bad path element, and device
- * names as access file names never posed as security threats, since
- * it was the admin's choice to assign the .htaccess file's name.
- */
-
- status = apr_file_open(&file, name, APR_READ | APR_BUFFERED, APR_OS_DEFAULT, p);
-#ifdef DEBUG
- ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, NULL,
- "Opening config file %s (%s)",
- name, (status != APR_SUCCESS) ?
- apr_strerror(status, buf, sizeof(buf)) : "successful");
-#endif
- if (status != APR_SUCCESS)
- return status;
-
- status = apr_file_info_get(&finfo, APR_FINFO_TYPE, file);
- if (status != APR_SUCCESS)
- return status;
-
- if (finfo.filetype != APR_REG &&
-#if defined(WIN32) || defined(OS2)
- !(strcasecmp(name, "nul") == 0 ||
- (strlen(name) >= 4 &&
- strcasecmp(name + strlen(name) - 4, "/nul") == 0))) {
-#else
- strcmp(name, "/dev/null") != 0) {
-#endif /* WIN32 || OS2 */
- ap_log_error(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, 0, NULL,
- "Access to file %s denied by server: not a regular file",
- name);
- apr_file_close(file);
- return APR_EBADF;
- }
-
- new_cfg = apr_palloc(p, sizeof(*new_cfg));
- new_cfg->param = file;
- new_cfg->name = apr_pstrdup(p, name);
- new_cfg->getch = (int (*)(void *)) cfg_getch;
- new_cfg->getstr = (void *(*)(void *, size_t, void *)) cfg_getstr;
- new_cfg->close = (int (*)(void *)) cfg_close;
- new_cfg->line_number = 0;
- *ret_cfg = new_cfg;
- return APR_SUCCESS;
-}
-
-
-/* Allocate a ap_configfile_t handle with user defined functions and params */
-AP_DECLARE(ap_configfile_t *) ap_pcfg_open_custom(apr_pool_t *p, const char *descr,
- void *param,
- int(*getch)(void *param),
- void *(*getstr) (void *buf, size_t bufsiz, void *param),
- int(*close_func)(void *param))
-{
- ap_configfile_t *new_cfg = apr_palloc(p, sizeof(*new_cfg));
-#ifdef DEBUG
- ap_log_error(APLOG_MARK, APLOG_DEBUG | APLOG_NOERRNO, 0, NULL, "Opening config handler %s", descr);
-#endif
- new_cfg->param = param;
- new_cfg->name = descr;
- new_cfg->getch = getch;
- new_cfg->getstr = getstr;
- new_cfg->close = close_func;
- new_cfg->line_number = 0;
- return new_cfg;
-}
-
-/* Read one character from a configfile_t */
-AP_DECLARE(int) ap_cfg_getc(ap_configfile_t *cfp)
-{
- register int ch = cfp->getch(cfp->param);
- if (ch == LF)
- ++cfp->line_number;
- return ch;
-}
-
-/* Read one line from open ap_configfile_t, strip LF, increase line number */
-/* If custom handler does not define a getstr() function, read char by char */
-AP_DECLARE(int) ap_cfg_getline(char *buf, size_t bufsize, ap_configfile_t *cfp)
-{
- /* If a "get string" function is defined, use it */
- if (cfp->getstr != NULL) {
- char *src, *dst;
- char *cp;
- char *cbuf = buf;
- size_t cbufsize = bufsize;
-
- while (1) {
- ++cfp->line_number;
- if (cfp->getstr(cbuf, cbufsize, cfp->param) == NULL)
- return 1;
-
- /*
- * check for line continuation,
- * i.e. match [^\\]\\[\r]\n only
- */
- cp = cbuf;
- while (cp < cbuf+cbufsize && *cp != '\0')
- cp++;
- if (cp > cbuf && cp[-1] == LF) {
- cp--;
- if (cp > cbuf && cp[-1] == CR)
- cp--;
- if (cp > cbuf && cp[-1] == '\\') {
- cp--;
- if (!(cp > cbuf && cp[-1] == '\\')) {
- /*
- * line continuation requested -
- * then remove backslash and continue
- */
- cbufsize -= (cp-cbuf);
- cbuf = cp;
- continue;
- }
- else {
- /*
- * no real continuation because escaped -
- * then just remove escape character
- */
- for ( ; cp < cbuf+cbufsize && *cp != '\0'; cp++)
- cp[0] = cp[1];
- }
- }
- }
- break;
- }
-
- /*
- * Leading and trailing white space is eliminated completely
- */
- src = buf;
- while (apr_isspace(*src))
- ++src;
- /* blast trailing whitespace */
- dst = &src[strlen(src)];
- while (--dst >= src && apr_isspace(*dst))
- *dst = '\0';
- /* Zap leading whitespace by shifting */
- if (src != buf)
- for (dst = buf; (*dst++ = *src++) != '\0'; )
- ;
-
-#ifdef DEBUG_CFG_LINES
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, NULL, "Read config: %s", buf);
-#endif
- return 0;
- } else {
- /* No "get string" function defined; read character by character */
- register int c;
- register size_t i = 0;
-
- buf[0] = '\0';
- /* skip leading whitespace */
- do {
- c = cfp->getch(cfp->param);
- } while (c == '\t' || c == ' ');
-
- if (c == EOF)
- return 1;
-
- if(bufsize < 2) {
- /* too small, assume caller is crazy */
- return 1;
- }
-
- while (1) {
- if ((c == '\t') || (c == ' ')) {
- buf[i++] = ' ';
- while ((c == '\t') || (c == ' '))
- c = cfp->getch(cfp->param);
- }
- if (c == CR) {
- /* silently ignore CR (_assume_ that a LF follows) */
- c = cfp->getch(cfp->param);
- }
- if (c == LF) {
- /* increase line number and return on LF */
- ++cfp->line_number;
- }
- if (c == EOF || c == 0x4 || c == LF || i >= (bufsize - 2)) {
- /*
- * check for line continuation
- */
- if (i > 0 && buf[i-1] == '\\') {
- i--;
- if (!(i > 0 && buf[i-1] == '\\')) {
- /* line is continued */
- c = cfp->getch(cfp->param);
- continue;
- }
- /* else nothing needs be done because
- * then the backslash is escaped and
- * we just strip to a single one
- */
- }
- /* blast trailing whitespace */
- while (i > 0 && apr_isspace(buf[i - 1]))
- --i;
- buf[i] = '\0';
-#ifdef DEBUG_CFG_LINES
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, NULL, "Read config: %s", buf);
-#endif
- return 0;
- }
- buf[i] = c;
- ++i;
- c = cfp->getch(cfp->param);
- }
- }
-}
-
-/* Size an HTTP header field list item, as separated by a comma.
- * The return value is a pointer to the beginning of the non-empty list item
- * within the original string (or NULL if there is none) and the address
- * of field is shifted to the next non-comma, non-whitespace character.
- * len is the length of the item excluding any beginning whitespace.
- */
-AP_DECLARE(const char *) ap_size_list_item(const char **field, int *len)
-{
- const unsigned char *ptr = (const unsigned char *)*field;
- const unsigned char *token;
- int in_qpair, in_qstr, in_com;
-
- /* Find first non-comma, non-whitespace byte */
-
- while (*ptr == ',' || apr_isspace(*ptr))
- ++ptr;
-
- token = ptr;
-
- /* Find the end of this item, skipping over dead bits */
-
- for (in_qpair = in_qstr = in_com = 0;
- *ptr && (in_qpair || in_qstr || in_com || *ptr != ',');
- ++ptr) {
-
- if (in_qpair) {
- in_qpair = 0;
- }
- else {
- switch (*ptr) {
- case '\\': in_qpair = 1; /* quoted-pair */
- break;
- case '"' : if (!in_com) /* quoted string delim */
- in_qstr = !in_qstr;
- break;
- case '(' : if (!in_qstr) /* comment (may nest) */
- ++in_com;
- break;
- case ')' : if (in_com) /* end comment */
- --in_com;
- break;
- default : break;
- }
- }
- }
-
- if ((*len = (ptr - token)) == 0) {
- *field = (const char *)ptr;
- return NULL;
- }
-
- /* Advance field pointer to the next non-comma, non-white byte */
-
- while (*ptr == ',' || apr_isspace(*ptr))
- ++ptr;
-
- *field = (const char *)ptr;
- return (const char *)token;
-}
-
-/* Retrieve an HTTP header field list item, as separated by a comma,
- * while stripping insignificant whitespace and lowercasing anything not in
- * a quoted string or comment. The return value is a new string containing
- * the converted list item (or NULL if none) and the address pointed to by
- * field is shifted to the next non-comma, non-whitespace.
- */
-AP_DECLARE(char *) ap_get_list_item(apr_pool_t *p, const char **field)
-{
- const char *tok_start;
- const unsigned char *ptr;
- unsigned char *pos;
- char *token;
- int addspace = 0, in_qpair = 0, in_qstr = 0, in_com = 0, tok_len = 0;
-
- /* Find the beginning and maximum length of the list item so that
- * we can allocate a buffer for the new string and reset the field.
- */
- if ((tok_start = ap_size_list_item(field, &tok_len)) == NULL) {
- return NULL;
- }
- token = apr_palloc(p, tok_len + 1);
-
- /* Scan the token again, but this time copy only the good bytes.
- * We skip extra whitespace and any whitespace around a '=', '/',
- * or ';' and lowercase normal characters not within a comment,
- * quoted-string or quoted-pair.
- */
- for (ptr = (const unsigned char *)tok_start, pos = (unsigned char *)token;
- *ptr && (in_qpair || in_qstr || in_com || *ptr != ',');
- ++ptr) {
-
- if (in_qpair) {
- in_qpair = 0;
- *pos++ = *ptr;
- }
- else {
- switch (*ptr) {
- case '\\': in_qpair = 1;
- if (addspace == 1)
- *pos++ = ' ';
- *pos++ = *ptr;
- addspace = 0;
- break;
- case '"' : if (!in_com)
- in_qstr = !in_qstr;
- if (addspace == 1)
- *pos++ = ' ';
- *pos++ = *ptr;
- addspace = 0;
- break;
- case '(' : if (!in_qstr)
- ++in_com;
- if (addspace == 1)
- *pos++ = ' ';
- *pos++ = *ptr;
- addspace = 0;
- break;
- case ')' : if (in_com)
- --in_com;
- *pos++ = *ptr;
- addspace = 0;
- break;
- case ' ' :
- case '\t': if (addspace)
- break;
- if (in_com || in_qstr)
- *pos++ = *ptr;
- else
- addspace = 1;
- break;
- case '=' :
- case '/' :
- case ';' : if (!(in_com || in_qstr))
- addspace = -1;
- *pos++ = *ptr;
- break;
- default : if (addspace == 1)
- *pos++ = ' ';
- *pos++ = (in_com || in_qstr) ? *ptr
- : apr_tolower(*ptr);
- addspace = 0;
- break;
- }
- }
- }
- *pos = '\0';
-
- return token;
-}
-
-/* Find an item in canonical form (lowercase, no extra spaces) within
- * an HTTP field value list. Returns 1 if found, 0 if not found.
- * This would be much more efficient if we stored header fields as
- * an array of list items as they are received instead of a plain string.
- */
-AP_DECLARE(int) ap_find_list_item(apr_pool_t *p, const char *line, const char *tok)
-{
- const unsigned char *pos;
- const unsigned char *ptr = (const unsigned char *)line;
- int good = 0, addspace = 0, in_qpair = 0, in_qstr = 0, in_com = 0;
-
- if (!line || !tok)
- return 0;
-
- do { /* loop for each item in line's list */
-
- /* Find first non-comma, non-whitespace byte */
-
- while (*ptr == ',' || apr_isspace(*ptr))
- ++ptr;
-
- if (*ptr)
- good = 1; /* until proven otherwise for this item */
- else
- break; /* no items left and nothing good found */
-
- /* We skip extra whitespace and any whitespace around a '=', '/',
- * or ';' and lowercase normal characters not within a comment,
- * quoted-string or quoted-pair.
- */
- for (pos = (const unsigned char *)tok;
- *ptr && (in_qpair || in_qstr || in_com || *ptr != ',');
- ++ptr) {
-
- if (in_qpair) {
- in_qpair = 0;
- if (good)
- good = (*pos++ == *ptr);
- }
- else {
- switch (*ptr) {
- case '\\': in_qpair = 1;
- if (addspace == 1)
- good = good && (*pos++ == ' ');
- good = good && (*pos++ == *ptr);
- addspace = 0;
- break;
- case '"' : if (!in_com)
- in_qstr = !in_qstr;
- if (addspace == 1)
- good = good && (*pos++ == ' ');
- good = good && (*pos++ == *ptr);
- addspace = 0;
- break;
- case '(' : if (!in_qstr)
- ++in_com;
- if (addspace == 1)
- good = good && (*pos++ == ' ');
- good = good && (*pos++ == *ptr);
- addspace = 0;
- break;
- case ')' : if (in_com)
- --in_com;
- good = good && (*pos++ == *ptr);
- addspace = 0;
- break;
- case ' ' :
- case '\t': if (addspace || !good)
- break;
- if (in_com || in_qstr)
- good = (*pos++ == *ptr);
- else
- addspace = 1;
- break;
- case '=' :
- case '/' :
- case ';' : if (!(in_com || in_qstr))
- addspace = -1;
- good = good && (*pos++ == *ptr);
- break;
- default : if (!good)
- break;
- if (addspace == 1)
- good = (*pos++ == ' ');
- if (in_com || in_qstr)
- good = good && (*pos++ == *ptr);
- else
- good = good && (*pos++ == apr_tolower(*ptr));
- addspace = 0;
- break;
- }
- }
- }
- if (good && *pos)
- good = 0; /* not good if only a prefix was matched */
-
- } while (*ptr && !good);
-
- return good;
-}
-
-
-/* Retrieve a token, spacing over it and returning a pointer to
- * the first non-white byte afterwards. Note that these tokens
- * are delimited by semis and commas; and can also be delimited
- * by whitespace at the caller's option.
- */
-
-AP_DECLARE(char *) ap_get_token(apr_pool_t *p, const char **accept_line, int accept_white)
-{
- const char *ptr = *accept_line;
- const char *tok_start;
- char *token;
- int tok_len;
-
- /* Find first non-white byte */
-
- while (*ptr && apr_isspace(*ptr))
- ++ptr;
-
- tok_start = ptr;
-
- /* find token end, skipping over quoted strings.
- * (comments are already gone).
- */
-
- while (*ptr && (accept_white || !apr_isspace(*ptr))
- && *ptr != ';' && *ptr != ',') {
- if (*ptr++ == '"')
- while (*ptr)
- if (*ptr++ == '"')
- break;
- }
-
- tok_len = ptr - tok_start;
- token = apr_pstrndup(p, tok_start, tok_len);
-
- /* Advance accept_line pointer to the next non-white byte */
-
- while (*ptr && apr_isspace(*ptr))
- ++ptr;
-
- *accept_line = ptr;
- return token;
-}
-
-
-/* find http tokens, see the definition of token from RFC2068 */
-AP_DECLARE(int) ap_find_token(apr_pool_t *p, const char *line, const char *tok)
-{
- const unsigned char *start_token;
- const unsigned char *s;
-
- if (!line)
- return 0;
-
- s = (const unsigned char *)line;
- for (;;) {
- /* find start of token, skip all stop characters, note NUL
- * isn't a token stop, so we don't need to test for it
- */
- while (TEST_CHAR(*s, T_HTTP_TOKEN_STOP)) {
- ++s;
- }
- if (!*s) {
- return 0;
- }
- start_token = s;
- /* find end of the token */
- while (*s && !TEST_CHAR(*s, T_HTTP_TOKEN_STOP)) {
- ++s;
- }
- if (!strncasecmp((const char *)start_token, (const char *)tok, s - start_token)) {
- return 1;
- }
- if (!*s) {
- return 0;
- }
- }
-}
-
-
-AP_DECLARE(int) ap_find_last_token(apr_pool_t *p, const char *line, const char *tok)
-{
- int llen, tlen, lidx;
-
- if (!line)
- return 0;
-
- llen = strlen(line);
- tlen = strlen(tok);
- lidx = llen - tlen;
-
- if ((lidx < 0) ||
- ((lidx > 0) && !(apr_isspace(line[lidx - 1]) || line[lidx - 1] == ',')))
- return 0;
-
- return (strncasecmp(&line[lidx], tok, tlen) == 0);
-}
-
-AP_DECLARE(char *) ap_escape_shell_cmd(apr_pool_t *p, const char *str)
-{
- char *cmd;
- unsigned char *d;
- const unsigned char *s;
-
- cmd = apr_palloc(p, 2 * strlen(str) + 1); /* Be safe */
- d = (unsigned char *)cmd;
- s = (const unsigned char *)str;
- for (; *s; ++s) {
-
-#if defined(OS2) || defined(WIN32)
- /* Don't allow '&' in parameters under OS/2. */
- /* This can be used to send commands to the shell. */
- if (*s == '&') {
- *d++ = ' ';
- continue;
- }
-#endif
-
- if (TEST_CHAR(*s, T_ESCAPE_SHELL_CMD)) {
- *d++ = '\\';
- }
- *d++ = *s;
- }
- *d = '\0';
-
- return cmd;
-}
-
-static char x2c(const char *what)
-{
- register char digit;
-
-#if !APR_CHARSET_EBCDIC
- digit = ((what[0] >= 'A') ? ((what[0] & 0xdf) - 'A') + 10 : (what[0] - '0'));
- digit *= 16;
- digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A') + 10 : (what[1] - '0'));
-#else /*APR_CHARSET_EBCDIC*/
- char xstr[5];
- xstr[0]='0';
- xstr[1]='x';
- xstr[2]=what[0];
- xstr[3]=what[1];
- xstr[4]='\0';
- digit = apr_xlate_conv_byte(ap_hdrs_from_ascii, 0xFF & strtol(xstr, NULL, 16));
-#endif /*APR_CHARSET_EBCDIC*/
- return (digit);
-}
-
-/*
- * Unescapes a URL.
- * Returns 0 on success, non-zero on error
- * Failure is due to
- * bad % escape returns HTTP_BAD_REQUEST
- *
- * decoding %00 -> \0
- * decoding %2f -> / (a special character)
- * returns HTTP_NOT_FOUND
- */
-AP_DECLARE(int) ap_unescape_url(char *url)
-{
- register int badesc, badpath;
- char *x, *y;
-
- badesc = 0;
- badpath = 0;
- /* Initial scan for first '%'. Don't bother writing values before
- * seeing a '%' */
- y = strchr(url, '%');
- if (y == NULL) {
- return OK;
- }
- for (x = y; *y; ++x, ++y) {
- if (*y != '%')
- *x = *y;
- else {
- if (!apr_isxdigit(*(y + 1)) || !apr_isxdigit(*(y + 2))) {
- badesc = 1;
- *x = '%';
- }
- else {
- *x = x2c(y + 1);
- y += 2;
- if (*x == '/' || *x == '\0')
- badpath = 1;
- }
- }
- }
- *x = '\0';
- if (badesc)
- return HTTP_BAD_REQUEST;
- else if (badpath)
- return HTTP_NOT_FOUND;
- else
- return OK;
-}
-
-AP_DECLARE(char *) ap_construct_server(apr_pool_t *p, const char *hostname,
- apr_port_t port, const request_rec *r)
-{
- if (ap_is_default_port(port, r))
- return apr_pstrdup(p, hostname);
- else {
- return apr_psprintf(p, "%s:%u", hostname, port);
- }
-}
-
-/* c2x takes an unsigned, and expects the caller has guaranteed that
- * 0 <= what < 256... which usually means that you have to cast to
- * unsigned char first, because (unsigned)(char)(x) first goes through
- * signed extension to an int before the unsigned cast.
- *
- * The reason for this assumption is to assist gcc code generation --
- * the unsigned char -> unsigned extension is already done earlier in
- * both uses of this code, so there's no need to waste time doing it
- * again.
- */
-static const char c2x_table[] = "0123456789abcdef";
-
-static APR_INLINE unsigned char *c2x(unsigned what, unsigned char *where)
-{
-#if APR_CHARSET_EBCDIC
- what = apr_xlate_conv_byte(ap_hdrs_to_ascii, (unsigned char)what);
-#endif /*APR_CHARSET_EBCDIC*/
- *where++ = '%';
- *where++ = c2x_table[what >> 4];
- *where++ = c2x_table[what & 0xf];
- return where;
-}
-
-/*
- * escape_path_segment() escapes a path segment, as defined in RFC 1808. This
- * routine is (should be) OS independent.
- *
- * os_escape_path() converts an OS path to a URL, in an OS dependent way. In all
- * cases if a ':' occurs before the first '/' in the URL, the URL should be
- * prefixed with "./" (or the ':' escaped). In the case of Unix, this means
- * leaving '/' alone, but otherwise doing what escape_path_segment() does. For
- * efficiency reasons, we don't use escape_path_segment(), which is provided for
- * reference. Again, RFC 1808 is where this stuff is defined.
- *
- * If partial is set, os_escape_path() assumes that the path will be appended to
- * something with a '/' in it (and thus does not prefix "./").
- */
-
-AP_DECLARE(char *) ap_escape_path_segment(apr_pool_t *p, const char *segment)
-{
- char *copy = apr_palloc(p, 3 * strlen(segment) + 1);
- const unsigned char *s = (const unsigned char *)segment;
- unsigned char *d = (unsigned char *)copy;
- unsigned c;
-
- while ((c = *s)) {
- if (TEST_CHAR(c, T_ESCAPE_PATH_SEGMENT)) {
- d = c2x(c, d);
- }
- else {
- *d++ = c;
- }
- ++s;
- }
- *d = '\0';
- return copy;
-}
-
-AP_DECLARE(char *) ap_os_escape_path(apr_pool_t *p, const char *path, int partial)
-{
- char *copy = apr_palloc(p, 3 * strlen(path) + 3);
- const unsigned char *s = (const unsigned char *)path;
- unsigned char *d = (unsigned char *)copy;
- unsigned c;
-
- if (!partial) {
- const char *colon = ap_strchr_c(path, ':');
- const char *slash = ap_strchr_c(path, '/');
-
- if (colon && (!slash || colon < slash)) {
- *d++ = '.';
- *d++ = '/';
- }
- }
- while ((c = *s)) {
- if (TEST_CHAR(c, T_OS_ESCAPE_PATH)) {
- d = c2x(c, d);
- }
- else {
- *d++ = c;
- }
- ++s;
- }
- *d = '\0';
- return copy;
-}
-
-/* ap_escape_uri is now a macro for os_escape_path */
-
-AP_DECLARE(char *) ap_escape_html(apr_pool_t *p, const char *s)
-{
- int i, j;
- char *x;
-
- /* first, count the number of extra characters */
- for (i = 0, j = 0; s[i] != '\0'; i++)
- if (s[i] == '<' || s[i] == '>')
- j += 3;
- else if (s[i] == '&')
- j += 4;
-
- if (j == 0)
- return apr_pstrndup(p, s, i);
-
- x = apr_palloc(p, i + j + 1);
- for (i = 0, j = 0; s[i] != '\0'; i++, j++)
- if (s[i] == '<') {
- memcpy(&x[j], "&lt;", 4);
- j += 3;
- }
- else if (s[i] == '>') {
- memcpy(&x[j], "&gt;", 4);
- j += 3;
- }
- else if (s[i] == '&') {
- memcpy(&x[j], "&amp;", 5);
- j += 4;
- }
- else
- x[j] = s[i];
-
- x[j] = '\0';
- return x;
-}
-
-AP_DECLARE(int) ap_is_directory(apr_pool_t *p, const char *path)
-{
- apr_finfo_t finfo;
-
- if (apr_stat(&finfo, path, APR_FINFO_TYPE, p) != APR_SUCCESS)
- return 0; /* in error condition, just return no */
-
- return (finfo.filetype == APR_DIR);
-}
-
-AP_DECLARE(int) ap_is_rdirectory(apr_pool_t *p, const char *path)
-{
- apr_finfo_t finfo;
-
- if (apr_lstat(&finfo, path, APR_FINFO_TYPE, p) != APR_SUCCESS)
- return 0; /* in error condition, just return no */
-
- return (finfo.filetype == APR_DIR);
-}
-
-AP_DECLARE(char *) ap_make_full_path(apr_pool_t *a, const char *src1,
- const char *src2)
-{
- register int x;
-
- x = strlen(src1);
- if (x == 0)
- return apr_pstrcat(a, "/", src2, NULL);
-
- if (src1[x - 1] != '/')
- return apr_pstrcat(a, src1, "/", src2, NULL);
- else
- return apr_pstrcat(a, src1, src2, NULL);
-}
-
-/*
- * Check for an absoluteURI syntax (see section 3.2 in RFC2068).
- */
-AP_DECLARE(int) ap_is_url(const char *u)
-{
- register int x;
-
- for (x = 0; u[x] != ':'; x++) {
- if ((!u[x]) ||
- ((!apr_isalpha(u[x])) && (!apr_isdigit(u[x])) &&
- (u[x] != '+') && (u[x] != '-') && (u[x] != '.'))) {
- return 0;
- }
- }
-
- return (x ? 1 : 0); /* If the first character is ':', it's broken, too */
-}
-
-AP_DECLARE(int) ap_ind(const char *s, char c)
-{
- const char *p = ap_strchr_c(s, c);
-
- if (p == NULL)
- return -1;
- return p - s;
-}
-
-AP_DECLARE(int) ap_rind(const char *s, char c)
-{
- const char *p = ap_strrchr_c(s, c);
-
- if (p == NULL)
- return -1;
- return p - s;
-}
-
-AP_DECLARE(void) ap_str_tolower(char *str)
-{
- while (*str) {
- *str = apr_tolower(*str);
- ++str;
- }
-}
-
-static char *find_fqdn(apr_pool_t *a, struct hostent *p)
-{
- int x;
-
- if (!strchr(p->h_name, '.')) {
- for (x = 0; p->h_aliases[x]; ++x) {
- if (strchr(p->h_aliases[x], '.') &&
- (!strncasecmp(p->h_aliases[x], p->h_name, strlen(p->h_name))))
- return apr_pstrdup(a, p->h_aliases[x]);
- }
- return NULL;
- }
- return apr_pstrdup(a, (void *) p->h_name);
-}
-
-char *ap_get_local_host(apr_pool_t *a)
-{
-#ifndef MAXHOSTNAMELEN
-#define MAXHOSTNAMELEN 256
-#endif
- char str[MAXHOSTNAMELEN + 1];
- char *server_hostname = NULL;
- struct hostent *p;
-
-#ifdef BEOS_R5
- if (gethostname(str, sizeof(str) - 1) == 0)
-#else
- if (gethostname(str, sizeof(str) - 1) != 0)
-#endif
- {
- ap_log_perror(APLOG_MARK, APLOG_STARTUP | APLOG_WARNING, 0, a,
- "%s: gethostname() failed to determine ServerName",
- ap_server_argv0);
- }
- else
- {
- str[sizeof(str) - 1] = '\0';
- if ((!(p = gethostbyname(str)))
- || (!(server_hostname = find_fqdn(a, p)))) {
- /* Recovery - return the default servername by IP: */
- if (p && p->h_addr_list[0]) {
- apr_snprintf(str, sizeof(str), "%pA", p->h_addr_list[0]);
- server_hostname = apr_pstrdup(a, str);
- /* We will drop through to report the IP-named server */
- }
- }
- else {
- /* Since we found a fdqn, return it with no logged message. */
- return server_hostname;
- }
- }
-
- if (!server_hostname)
- server_hostname = apr_pstrdup(a, "127.0.0.1");
-
- ap_log_perror(APLOG_MARK, APLOG_ALERT|APLOG_NOERRNO|APLOG_STARTUP, 0, a,
- "%s: Could not determine the server's fully qualified "
- "domain name, using %s for ServerName",
- ap_server_argv0, server_hostname);
-
- return server_hostname;
-}
-
-/* simple 'pool' alloc()ing glue to apr_base64.c
- */
-AP_DECLARE(char *) ap_pbase64decode(apr_pool_t *p, const char *bufcoded)
-{
- char *decoded;
- int l;
-
- decoded = (char *) apr_palloc(p, 1 + apr_base64_decode_len(bufcoded));
- l = apr_base64_decode(decoded, bufcoded);
- decoded[l] = '\0'; /* make binary sequence into string */
-
- return decoded;
-}
-
-AP_DECLARE(char *) ap_pbase64encode(apr_pool_t *p, char *string)
-{
- char *encoded;
- int l = strlen(string);
-
- encoded = (char *) apr_palloc(p, 1 + apr_base64_encode_len(l));
- l = apr_base64_encode(encoded, string, l);
- encoded[l] = '\0'; /* make binary sequence into string */
-
- return encoded;
-}
-
-/* we want to downcase the type/subtype for comparison purposes
- * but nothing else because ;parameter=foo values are case sensitive.
- * XXX: in truth we want to downcase parameter names... but really,
- * apache has never handled parameters and such correctly. You
- * also need to compress spaces and such to be able to compare
- * properly. -djg
- */
-AP_DECLARE(void) ap_content_type_tolower(char *str)
-{
- char *semi;
-
- semi = strchr(str, ';');
- if (semi) {
- *semi = '\0';
- }
- while (*str) {
- *str = apr_tolower(*str);
- ++str;
- }
- if (semi) {
- *semi = ';';
- }
-}
-
-/*
- * Given a string, replace any bare " with \" .
- */
-AP_DECLARE(char *) ap_escape_quotes (apr_pool_t *p, const char *instring)
-{
- int newlen = 0;
- const char *inchr = instring;
- char *outchr, *outstring;
-
- /*
- * Look through the input string, jogging the length of the output
- * string up by an extra byte each time we find an unescaped ".
- */
- while (*inchr != '\0') {
- newlen++;
- if (*inchr == '"') {
- newlen++;
- }
- /*
- * If we find a slosh, and it's not the last byte in the string,
- * it's escaping something - advance past both bytes.
- */
- if ((*inchr == '\\') && (inchr[1] != '\0')) {
- inchr++;
- newlen++;
- }
- inchr++;
- }
- outstring = apr_palloc(p, newlen + 1);
- inchr = instring;
- outchr = outstring;
- /*
- * Now copy the input string to the output string, inserting a slosh
- * in front of every " that doesn't already have one.
- */
- while (*inchr != '\0') {
- if ((*inchr == '\\') && (inchr[1] != '\0')) {
- *outchr++ = *inchr++;
- *outchr++ = *inchr++;
- }
- if (*inchr == '"') {
- *outchr++ = '\\';
- }
- if (*inchr != '\0') {
- *outchr++ = *inchr++;
- }
- }
- *outchr = '\0';
- return outstring;
-}
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