** www.engelschall.com
*/
+#include "apr.h"
+#include "apr_strings.h"
+#include "apr_user.h"
+#include "apr_lib.h"
+
+#define APR_WANT_STRFUNC
+#define APR_WANT_IOVEC
+#include "apr_want.h"
+
+#if APR_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
#include "ap_config.h"
#include "httpd.h"
#include "http_config.h"
#include "http_log.h"
#include "http_protocol.h"
#include "mod_rewrite.h"
-#include "apr_strings.h"
-#if !defined(OS2) && !defined(WIN32)
+#if !defined(OS2) && !defined(WIN32) && !defined(BEOS)
#include "unixd.h"
#endif
-#ifndef NO_WRITEV
-#ifndef NETWARE
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#endif
-#ifdef HAVE_SYS_UIO_H
-#include <sys/uio.h>
-#endif
-#endif
-#ifdef HAVE_PWD_H
-#include <pwd.h>
-#endif
-#ifdef HAVE_GRP_H
-#include <grp.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
/*
** +-------------------------------------------------------+
** | |
* MODULE-DEFINITION-END
*/
- /* the apr_table_t of commands we provide */
-static const command_rec command_table[] = {
- { "RewriteEngine", cmd_rewriteengine, NULL, OR_FILEINFO, FLAG,
- "On or Off to enable or disable (default) the whole rewriting engine" },
- { "RewriteOptions", cmd_rewriteoptions, NULL, OR_FILEINFO, ITERATE,
- "List of option strings to set" },
- { "RewriteBase", cmd_rewritebase, NULL, OR_FILEINFO, TAKE1,
- "the base URL of the per-directory context" },
- { "RewriteCond", cmd_rewritecond, NULL, OR_FILEINFO, RAW_ARGS,
- "an input string and a to be applied regexp-pattern" },
- { "RewriteRule", cmd_rewriterule, NULL, OR_FILEINFO, RAW_ARGS,
- "an URL-applied regexp-pattern and a substitution URL" },
- { "RewriteMap", cmd_rewritemap, NULL, RSRC_CONF, TAKE2,
- "a mapname and a filename" },
- { "RewriteLock", cmd_rewritelock, NULL, RSRC_CONF, TAKE1,
- "the filename of a lockfile used for inter-process synchronization"},
- { "RewriteLog", cmd_rewritelog, NULL, RSRC_CONF, TAKE1,
- "the filename of the rewriting logfile" },
- { "RewriteLogLevel", cmd_rewriteloglevel, NULL, RSRC_CONF, TAKE1,
- "the level of the rewriting logfile verbosity "
- "(0=none, 1=std, .., 9=max)" },
- { NULL }
-};
-
- /* the apr_table_t of content handlers we provide */
-static const handler_rec handler_table[] = {
- { "redirect-handler", handler_redirect },
- { NULL }
-};
-
-static void register_hooks(void)
-{
- ap_hook_post_config(init_module,NULL,NULL,AP_HOOK_MIDDLE);
- ap_hook_child_init(init_child,NULL,NULL,AP_HOOK_MIDDLE);
-
- ap_hook_fixups(hook_fixup,NULL,NULL,AP_HOOK_FIRST);
- ap_hook_translate_name(hook_uri2file,NULL,NULL,AP_HOOK_FIRST);
- ap_hook_type_checker(hook_mimetype,NULL,NULL,AP_HOOK_MIDDLE);
-}
-
- /* the main config structure */
-module MODULE_VAR_EXPORT rewrite_module = {
- STANDARD20_MODULE_STUFF,
- config_perdir_create, /* create per-dir config structures */
- config_perdir_merge, /* merge per-dir config structures */
- config_server_create, /* create per-server config structures */
- config_server_merge, /* merge per-server config structures */
- command_table, /* apr_table_t of config file commands */
- handler_table, /* [#8] MIME-typed-dispatched handlers */
- register_hooks /* register hooks */
-};
+ /* the module (predeclaration) */
+module AP_MODULE_DECLARE_DATA rewrite_module;
/* the cache */
static cache *cachep;
/* whether proxy module is available or not */
static int proxy_available;
-static int once_through = 0;
static const char *lockname;
-static apr_lock_t *rewrite_mapr_lock = NULL;
+static apr_lock_t *rewrite_mapr_lock_aquire = NULL;
static apr_lock_t *rewrite_log_lock = NULL;
/*
a->rewritelogfile = NULL;
a->rewritelogfp = NULL;
a->rewriteloglevel = 0;
- a->rewritemaps = apr_make_array(p, 2, sizeof(rewritemap_entry));
- a->rewriteconds = apr_make_array(p, 2, sizeof(rewritecond_entry));
- a->rewriterules = apr_make_array(p, 2, sizeof(rewriterule_entry));
+ a->rewritemaps = apr_array_make(p, 2, sizeof(rewritemap_entry));
+ a->rewriteconds = apr_array_make(p, 2, sizeof(rewritecond_entry));
+ a->rewriterules = apr_array_make(p, 2, sizeof(rewriterule_entry));
a->server = s;
return (void *)a;
a->rewritelogfp = overrides->rewritelogfp != NULL
? overrides->rewritelogfp
: base->rewritelogfp;
- a->rewritemaps = apr_append_arrays(p, overrides->rewritemaps,
+ a->rewritemaps = apr_array_append(p, overrides->rewritemaps,
base->rewritemaps);
- a->rewriteconds = apr_append_arrays(p, overrides->rewriteconds,
+ a->rewriteconds = apr_array_append(p, overrides->rewriteconds,
base->rewriteconds);
- a->rewriterules = apr_append_arrays(p, overrides->rewriterules,
+ a->rewriterules = apr_array_append(p, overrides->rewriterules,
base->rewriterules);
}
else {
a->state = ENGINE_DISABLED;
a->options = OPTION_NONE;
a->baseurl = NULL;
- a->rewriteconds = apr_make_array(p, 2, sizeof(rewritecond_entry));
- a->rewriterules = apr_make_array(p, 2, sizeof(rewriterule_entry));
+ a->rewriteconds = apr_array_make(p, 2, sizeof(rewritecond_entry));
+ a->rewriterules = apr_array_make(p, 2, sizeof(rewriterule_entry));
if (path == NULL) {
a->directory = NULL;
a->baseurl = overrides->baseurl;
if (a->options & OPTION_INHERIT) {
- a->rewriteconds = apr_append_arrays(p, overrides->rewriteconds,
+ a->rewriteconds = apr_array_append(p, overrides->rewriteconds,
base->rewriteconds);
- a->rewriterules = apr_append_arrays(p, overrides->rewriterules,
+ a->rewriterules = apr_array_append(p, overrides->rewriterules,
base->rewriterules);
}
else {
*/
static const char *cmd_rewriteengine(cmd_parms *cmd,
- rewrite_perdir_conf *dconf, int flag)
+ void *in_dconf, int flag)
{
+ rewrite_perdir_conf *dconf = in_dconf;
rewrite_server_conf *sconf;
sconf =
}
static const char *cmd_rewriteoptions(cmd_parms *cmd,
- rewrite_perdir_conf *dconf, char *option)
+ void *in_dconf, const char *option)
{
+ rewrite_perdir_conf *dconf = in_dconf;
rewrite_server_conf *sconf;
const char *err;
}
static const char *cmd_rewriteoptions_setoption(apr_pool_t *p, int *options,
- char *name)
+ const char *name)
{
if (strcasecmp(name, "inherit") == 0) {
*options |= OPTION_INHERIT;
return NULL;
}
-static const char *cmd_rewritelog(cmd_parms *cmd, void *dconf, char *a1)
+static const char *cmd_rewritelog(cmd_parms *cmd, void *dconf, const char *a1)
{
rewrite_server_conf *sconf;
return NULL;
}
-static const char *cmd_rewriteloglevel(cmd_parms *cmd, void *dconf, char *a1)
+static const char *cmd_rewriteloglevel(cmd_parms *cmd, void *dconf, const char *a1)
{
rewrite_server_conf *sconf;
return NULL;
}
-static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, char *a1,
- char *a2)
+static const char *cmd_rewritemap(cmd_parms *cmd, void *dconf, const char *a1,
+ const char *a2)
{
rewrite_server_conf *sconf;
rewritemap_entry *newmap;
sconf = (rewrite_server_conf *)
ap_get_module_config(cmd->server->module_config, &rewrite_module);
- newmap = apr_push_array(sconf->rewritemaps);
+ newmap = apr_array_push(sconf->rewritemaps);
newmap->name = a1;
newmap->func = NULL;
newmap->fpout = NULL;
if (newmap->checkfile && (sconf->state == ENGINE_ENABLED)
- && (apr_stat(&st, newmap->checkfile, cmd->pool) != APR_SUCCESS)) {
+ && (apr_stat(&st, newmap->checkfile, APR_FINFO_MIN,
+ cmd->pool) != APR_SUCCESS)) {
return apr_pstrcat(cmd->pool,
"RewriteMap: map file or program not found:",
newmap->checkfile, NULL);
return NULL;
}
-static const char *cmd_rewritelock(cmd_parms *cmd, void *dconf, char *a1)
+static const char *cmd_rewritelock(cmd_parms *cmd, void *dconf, const char *a1)
{
const char *error;
return NULL;
}
-static const char *cmd_rewritebase(cmd_parms *cmd, rewrite_perdir_conf *dconf,
- char *a1)
+static const char *cmd_rewritebase(cmd_parms *cmd, void *in_dconf,
+ const char *a1)
{
+ rewrite_perdir_conf *dconf = in_dconf;
+
if (cmd->path == NULL || dconf == NULL) {
return "RewriteBase: only valid in per-directory config files";
}
return NULL;
}
-static const char *cmd_rewritecond(cmd_parms *cmd, rewrite_perdir_conf *dconf,
- char *str)
+static const char *cmd_rewritecond(cmd_parms *cmd, void *in_dconf,
+ const char *in_str)
{
+ rewrite_perdir_conf *dconf = in_dconf;
+ char *str = apr_pstrdup(cmd->pool, in_str);
rewrite_server_conf *sconf;
rewritecond_entry *newcond;
regex_t *regexp;
/* make a new entry in the internal temporary rewrite rule list */
if (cmd->path == NULL) { /* is server command */
- newcond = apr_push_array(sconf->rewriteconds);
+ newcond = apr_array_push(sconf->rewriteconds);
}
else { /* is per-directory command */
- newcond = apr_push_array(dconf->rewriteconds);
+ newcond = apr_array_push(dconf->rewriteconds);
}
/* parse the argument line ourself */
return NULL;
}
-static const char *cmd_rewriterule(cmd_parms *cmd, rewrite_perdir_conf *dconf,
- char *str)
+static const char *cmd_rewriterule(cmd_parms *cmd, void *in_dconf,
+ const char *in_str)
{
+ rewrite_perdir_conf *dconf = in_dconf;
+ char *str = apr_pstrdup(cmd->pool, in_str);
rewrite_server_conf *sconf;
rewriterule_entry *newrule;
regex_t *regexp;
/* make a new entry in the internal rewrite rule list */
if (cmd->path == NULL) { /* is server command */
- newrule = apr_push_array(sconf->rewriterules);
+ newrule = apr_array_push(sconf->rewriterules);
}
else { /* is per-directory command */
- newrule = apr_push_array(dconf->rewriterules);
+ newrule = apr_array_push(dconf->rewriterules);
}
/* parse the argument line ourself */
/* arg2: the output string
* replace the $<N> by \<n> which is needed by the currently
* used Regular Expression library
+ *
+ * TODO: Is this still required for PCRE? If not, does it *work* with PCRE?
*/
newrule->output = apr_pstrdup(cmd->pool, a2);
*/
if (cmd->path == NULL) { /* is server command */
newrule->rewriteconds = sconf->rewriteconds;
- sconf->rewriteconds = apr_make_array(cmd->pool, 2,
+ sconf->rewriteconds = apr_array_make(cmd->pool, 2,
sizeof(rewritecond_entry));
}
else { /* is per-directory command */
newrule->rewriteconds = dconf->rewriteconds;
- dconf->rewriteconds = apr_make_array(cmd->pool, 2,
+ dconf->rewriteconds = apr_array_make(cmd->pool, 2,
sizeof(rewritecond_entry));
}
else if (strcasecmp(val, "seeother") == 0) {
status = HTTP_SEE_OTHER;
}
- else if (ap_isdigit(*val)) {
+ else if (apr_isdigit(*val)) {
status = atoi(val);
}
if (!ap_is_HTTP_REDIRECT(status)) {
apr_pool_t *ptemp,
server_rec *s)
{
+ apr_status_t rv;
+ void *data;
+ int first_time = 0;
+ const char *userdata_key = "rewrite_init_module";
+
+ apr_pool_userdata_get(&data, userdata_key, s->process->pool);
+ if (!data) {
+ first_time = 1;
+ apr_pool_userdata_set((const void *)1, userdata_key,
+ apr_pool_cleanup_null, s->process->pool);
+ }
+
/* check if proxy module is available */
proxy_available = (ap_find_linked_module("mod_proxy.c") != NULL);
/* create the rewriting lockfiles in the parent */
- if (apr_create_lock (&rewrite_log_lock, APR_MUTEX, APR_INTRAPROCESS,
- NULL, NULL) != APR_SUCCESS)
- exit(1); /* ugly but I can't log anything yet. This is what */
- /* the pre-existing rewritelock_create code did. */
+ if ((rv = apr_lock_create (&rewrite_log_lock, APR_MUTEX, APR_LOCKALL,
+ NULL, p)) != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s,
+ "mod_rewrite: could not create rewrite_log_lock");
+ exit(1);
+ }
rewritelock_create(s, p);
- apr_register_cleanup(p, (void *)s, rewritelock_remove, apr_null_cleanup);
+ apr_pool_cleanup_register(p, (void *)s, rewritelock_remove, apr_pool_cleanup_null);
/* step through the servers and
* - open each rewriting logfile
*/
for (; s; s = s->next) {
open_rewritelog(s, p);
- if (once_through > 0)
+ if (!first_time)
run_rewritemap_programs(s, p);
}
-
- once_through++;
}
static void init_child(apr_pool_t *p, server_rec *s)
{
+ apr_status_t rv;
if (lockname != NULL && *(lockname) != '\0')
- apr_child_init_lock (&rewrite_mapr_lock, lockname, p);
+ {
+ rv = apr_lock_child_init (&rewrite_mapr_lock_aquire, lockname, p);
+ if (rv != APR_SUCCESS) {
+ ap_log_error(APLOG_MARK, APLOG_CRIT, rv, s,
+ "mod_rewrite: could not init rewrite_mapr_lock_aquire "
+ "in child");
+ }
+ }
/* create the lookup cache */
cachep = init_cache(p);
r->filename);
return OK;
}
- else if ( (strlen(r->filename) > 7 &&
- strncasecmp(r->filename, "http://", 7) == 0)
- || (strlen(r->filename) > 8 &&
- strncasecmp(r->filename, "https://", 8) == 0)
- || (strlen(r->filename) > 9 &&
- strncasecmp(r->filename, "gopher://", 9) == 0)
- || (strlen(r->filename) > 6 &&
- strncasecmp(r->filename, "ftp://", 6) == 0)
- || (strlen(r->filename) > 5 &&
- strncasecmp(r->filename, "ldap:", 5) == 0)
- || (strlen(r->filename) > 5 &&
- strncasecmp(r->filename, "news:", 5) == 0)
- || (strlen(r->filename) > 7 &&
- strncasecmp(r->filename, "mailto:", 7) == 0)) {
+ else if (is_absolute_uri(r->filename)) {
/* it was finally rewritten to a remote URL */
/* skip 'scheme:' */
/* it was finally rewritten to a local path */
/* expand "/~user" prefix */
-#if !defined(WIN32) && !defined(NETWARE)
+#if APR_HAS_USER
r->filename = expand_tildepaths(r, r->filename);
#endif
rewritelog(r, 2, "local path result: %s", r->filename);
"%s [OK]", dconf->directory, r->filename);
return OK;
}
- else if ( (strlen(r->filename) > 7 &&
- strncasecmp(r->filename, "http://", 7) == 0)
- || (strlen(r->filename) > 8 &&
- strncasecmp(r->filename, "https://", 8) == 0)
- || (strlen(r->filename) > 9 &&
- strncasecmp(r->filename, "gopher://", 9) == 0)
- || (strlen(r->filename) > 6 &&
- strncasecmp(r->filename, "ftp://", 6) == 0)
- || (strlen(r->filename) > 5 &&
- strncasecmp(r->filename, "ldap:", 5) == 0)
- || (strlen(r->filename) > 5 &&
- strncasecmp(r->filename, "news:", 5) == 0)
- || (strlen(r->filename) > 7 &&
- strncasecmp(r->filename, "mailto:", 7) == 0)) {
+ else if (is_absolute_uri(r->filename)) {
/* it was finally rewritten to a remote URL */
/* because we are in a per-dir context
static int handler_redirect(request_rec *r)
{
+ if (strcmp(r->handler, "redirect-handler")) {
+ return DECLINED;
+ }
+
/* just make sure that we are really meant! */
if (strncmp(r->filename, "redirect:", 9) != 0) {
return DECLINED;
char *output;
const char *vary;
char newuri[MAX_STRING_LEN];
- char env[MAX_STRING_LEN];
regex_t *regexp;
regmatch_t regmatch[MAX_NMATCH];
backrefinfo *briRR = NULL;
* (`RewriteRule <pat> - [E=...]')
*/
if (strcmp(output, "-") == 0) {
- for (i = 0; p->env[i] != NULL; i++) {
- /* 1. take the string */
- apr_cpystrn(env, p->env[i], sizeof(env));
- /* 2. expand $N (i.e. backrefs to RewriteRule pattern) */
- expand_backref_inbuffer(r->pool, env, sizeof(env), briRR, '$');
- /* 3. expand %N (i.e. backrefs to latest RewriteCond pattern) */
- expand_backref_inbuffer(r->pool, env, sizeof(env), briRC, '%');
- /* 4. expand %{...} (i.e. variables) */
- expand_variables_inbuffer(r, env, sizeof(env));
- /* 5. expand ${...} (RewriteMap lookups) */
- expand_map_lookups(r, env, sizeof(env));
- /* and add the variable to Apache's structures */
- add_env_variable(r, env);
- }
+ do_expand_env(r, p->env, briRR, briRC);
if (p->forced_mimetype != NULL) {
if (perdir == NULL) {
/* In the per-server context we can force the MIME-type
* that there is something to replace, so we create the
* substitution URL string in `newuri'.
*/
- /* 1. take the output string */
- apr_cpystrn(newuri, output, sizeof(newuri));
- /* 2. expand $N (i.e. backrefs to RewriteRule pattern) */
- expand_backref_inbuffer(r->pool, newuri, sizeof(newuri), briRR, '$');
- /* 3. expand %N (i.e. backrefs to latest RewriteCond pattern) */
- expand_backref_inbuffer(r->pool, newuri, sizeof(newuri), briRC, '%');
- /* 4. expand %{...} (i.e. variables) */
- expand_variables_inbuffer(r, newuri, sizeof(newuri));
- /* 5. expand ${...} (RewriteMap lookups) */
- expand_map_lookups(r, newuri, sizeof(newuri));
- /* and log the result... */
+ do_expand(r, output, newuri, sizeof(newuri), briRR, briRC);
if (perdir == NULL) {
rewritelog(r, 2, "rewrite %s -> %s", uri, newuri);
}
* Additionally do expansion for the environment variable
* strings (`RewriteRule .. .. [E=<string>]').
*/
- for (i = 0; p->env[i] != NULL; i++) {
- /* 1. take the string */
- apr_cpystrn(env, p->env[i], sizeof(env));
- /* 2. expand $N (i.e. backrefs to RewriteRule pattern) */
- expand_backref_inbuffer(r->pool, env, sizeof(env), briRR, '$');
- /* 3. expand %N (i.e. backrefs to latest RewriteCond pattern) */
- expand_backref_inbuffer(r->pool, env, sizeof(env), briRC, '%');
- /* 4. expand %{...} (i.e. variables) */
- expand_variables_inbuffer(r, env, sizeof(env));
- /* 5. expand ${...} (RewriteMap lookups) */
- expand_map_lookups(r, env, sizeof(env));
- /* and add the variable to Apache's structures */
- add_env_variable(r, env);
- }
+ do_expand_env(r, p->env, briRR, briRC);
/*
* Now replace API's knowledge of the current URI:
* location, i.e. if it's not starting with either a slash
* or a fully qualified URL scheme.
*/
- i = strlen(r->filename);
- if ( prefixstrip
- && !( r->filename[0] == '/'
- || ( (i > 7 && strncasecmp(r->filename, "http://", 7) == 0)
- || (i > 8 && strncasecmp(r->filename, "https://", 8) == 0)
- || (i > 9 && strncasecmp(r->filename, "gopher://", 9) == 0)
- || (i > 6 && strncasecmp(r->filename, "ftp://", 6) == 0)
- || (i > 5 && strncasecmp(r->filename, "ldap:", 5) == 0)
- || (i > 5 && strncasecmp(r->filename, "news:", 5) == 0)
- || (i > 7 && strncasecmp(r->filename, "mailto:", 7) == 0)))) {
+ if (prefixstrip && r->filename[0] != '/'
+ && !is_absolute_uri(r->filename)) {
rewritelog(r, 3, "[per-dir %s] add per-dir prefix: %s -> %s%s",
perdir, r->filename, perdir, r->filename);
r->filename = apr_pstrcat(r->pool, perdir, r->filename, NULL);
* redirection (`RewriteRule .. <scheme>://...') then
* directly force an external HTTP redirect.
*/
- i = strlen(r->filename);
- if ( (i > 7 && strncasecmp(r->filename, "http://", 7) == 0)
- || (i > 8 && strncasecmp(r->filename, "https://", 8) == 0)
- || (i > 9 && strncasecmp(r->filename, "gopher://", 9) == 0)
- || (i > 6 && strncasecmp(r->filename, "ftp://", 6) == 0)
- || (i > 5 && strncasecmp(r->filename, "ldap:", 5) == 0)
- || (i > 5 && strncasecmp(r->filename, "news:", 5) == 0)
- || (i > 7 && strncasecmp(r->filename, "mailto:", 7) == 0) ) {
+ if (is_absolute_uri(r->filename)) {
if (perdir == NULL) {
rewritelog(r, 2,
"implicitly forcing redirect (rc=%d) with %s",
* Construct the string we match against
*/
- /* 1. take the string */
- apr_cpystrn(input, p->input, sizeof(input));
- /* 2. expand $N (i.e. backrefs to RewriteRule pattern) */
- expand_backref_inbuffer(r->pool, input, sizeof(input), briRR, '$');
- /* 3. expand %N (i.e. backrefs to latest RewriteCond pattern) */
- expand_backref_inbuffer(r->pool, input, sizeof(input), briRC, '%');
- /* 4. expand %{...} (i.e. variables) */
- expand_variables_inbuffer(r, input, sizeof(input));
- /* 5. expand ${...} (RewriteMap lookups) */
- expand_map_lookups(r, input, sizeof(input));
+ do_expand(r, p->input, input, sizeof(input), briRR, briRC);
/*
* Apply the patterns
rc = 0;
if (strcmp(p->pattern, "-f") == 0) {
- if (apr_stat(&sb, input, r->pool) == APR_SUCCESS) {
+ if (apr_stat(&sb, input, APR_FINFO_MIN, r->pool) == APR_SUCCESS) {
if (sb.filetype == APR_REG) {
rc = 1;
}
}
}
else if (strcmp(p->pattern, "-s") == 0) {
- if (apr_stat(&sb, input, r->pool) == APR_SUCCESS) {
+ if (apr_stat(&sb, input, APR_FINFO_MIN, r->pool) == APR_SUCCESS) {
if ((sb.filetype == APR_REG) && sb.size > 0) {
rc = 1;
}
}
}
else if (strcmp(p->pattern, "-l") == 0) {
-#if !defined(OS2) && !defined(WIN32)
- if (apr_lstat(&sb, input, r->pool) == APR_SUCCESS) {
+#if !defined(OS2)
+ if (apr_lstat(&sb, input, APR_FINFO_MIN, r->pool) == APR_SUCCESS) {
if (sb.filetype == APR_LNK) {
rc = 1;
}
#endif
}
else if (strcmp(p->pattern, "-d") == 0) {
- if (apr_stat(&sb, input, r->pool) == APR_SUCCESS) {
+ if (apr_stat(&sb, input, APR_FINFO_MIN, r->pool) == APR_SUCCESS) {
if (sb.filetype == APR_DIR) {
rc = 1;
}
}
else if (strcmp(p->pattern, "-U") == 0) {
/* avoid infinite subrequest recursion */
- if (strlen(input) > 0 /* nonempty path, and */
- && ( r->main == NULL /* - either not in a subrequest */
- || ( r->main->uri != NULL /* - or in a subrequest... */
- && r->uri != NULL /* ...and URIs aren't NULL... */
- /* ...and sub/main URIs differ */
- && strcmp(r->main->uri, r->uri) != 0) ) ) {
+ if (strlen(input) > 0 && subreq_ok(r)) {
/* run a URI-based subrequest */
- rsub = ap_sub_req_lookup_uri(input, r);
+ rsub = ap_sub_req_lookup_uri(input, r, NULL);
/* URI exists for any result up to 3xx, redirects allowed */
if (rsub->status < 400)
}
else if (strcmp(p->pattern, "-F") == 0) {
/* avoid infinite subrequest recursion */
- if (strlen(input) > 0 /* nonempty path, and */
- && ( r->main == NULL /* - either not in a subrequest */
- || ( r->main->uri != NULL /* - or in a subrequest... */
- && r->uri != NULL /* ...and URIs aren't NULL... */
- /* ...and sub/main URIs differ */
- && strcmp(r->main->uri, r->uri) != 0) ) ) {
+ if (strlen(input) > 0 && subreq_ok(r)) {
/* process a file-based subrequest:
* this differs from -U in that no path translation is done.
*/
- rsub = ap_sub_req_lookup_file(input, r);
+ rsub = ap_sub_req_lookup_file(input, r, NULL);
/* file exists for any result up to 2xx, no redirects */
if (rsub->status < 300 &&
/* double-check that file exists since default result is 200 */
- apr_stat(&sb, rsub->filename, r->pool) == APR_SUCCESS) {
+ apr_stat(&sb, rsub->filename, APR_FINFO_MIN,
+ r->pool) == APR_SUCCESS) {
rc = 1;
}
** +-------------------------------------------------------+
*/
+
+/*
+**
+** perform all the expansions on the input string
+** leaving the result in the supplied buffer
+**
+*/
+
+static void do_expand(request_rec *r, char *input, char *buffer, int nbuf,
+ backrefinfo *briRR, backrefinfo *briRC)
+{
+ char *inp, *outp;
+ size_t span, space;
+
+ /*
+ * for security reasons this expansion must be perfomed in a
+ * single pass, otherwise an attacker can arrange for the result
+ * of an earlier expansion to include expansion specifiers that
+ * are interpreted by a later expansion, producing results that
+ * were not intended by the administrator.
+ */
+
+ inp = input;
+ outp = buffer;
+ space = nbuf - 1; /* room for '\0' */
+
+ for (;;) {
+ span = strcspn(inp, "$%");
+ if (span > space) {
+ span = space;
+ }
+ memcpy(outp, inp, span);
+ inp += span;
+ outp += span;
+ space -= span;
+ if (space == 0 || *inp == '\0') {
+ break;
+ }
+ /* now we have a '$' or a '%' */
+ if (inp[1] == '{') {
+ char *endp;
+ endp = find_closing_bracket(inp+2, '{', '}');
+ if (endp == NULL) {
+ goto skip;
+ }
+ /*
+ * These lookups may be recursive in a very convoluted
+ * fashion -- see the LA-U and LA-F variable expansion
+ * prefixes -- so we copy lookup keys to a separate buffer
+ * rather than adding zero bytes in order to use them in
+ * place.
+ */
+ if (inp[0] == '$') {
+ /* ${...} map lookup expansion */
+ /*
+ * To make rewrite maps useful the lookup key and
+ * default values must be expanded, so we make
+ * recursive calls to do the work. For security
+ * reasons we must never expand a string that includes
+ * verbatim data from the network. The recursion here
+ * isn't a problem because the result of expansion is
+ * only passed to lookup_map() so it cannot be
+ * re-expanded, only re-looked-up. Another way of
+ * looking at it is that the recursion is entirely
+ * driven by the syntax of the nested curly brackets.
+ */
+ char *map, *key, *dflt, *result;
+ char xkey[MAX_STRING_LEN];
+ char xdflt[MAX_STRING_LEN];
+ key = find_char_in_brackets(inp+2, ':', '{', '}');
+ if (key == NULL)
+ goto skip;
+ map = apr_pstrndup(r->pool, inp+2, key-inp-2);
+ dflt = find_char_in_brackets(key+1, '|', '{', '}');
+ if (dflt == NULL) {
+ key = apr_pstrndup(r->pool, key+1, endp-key-1);
+ dflt = "";
+ } else {
+ key = apr_pstrndup(r->pool, key+1, dflt-key-1);
+ dflt = apr_pstrndup(r->pool, dflt+1, endp-dflt-1);
+ }
+ do_expand(r, key, xkey, sizeof(xkey), briRR, briRC);
+ result = lookup_map(r, map, xkey);
+ if (result) {
+ span = apr_cpystrn(outp, result, space) - outp;
+ } else {
+ do_expand(r, dflt, xdflt, sizeof(xdflt), briRR, briRC);
+ span = apr_cpystrn(outp, xdflt, space) - outp;
+ }
+ }
+ else if (inp[0] == '%') {
+ /* %{...} variable lookup expansion */
+ char *var;
+ var = apr_pstrndup(r->pool, inp+2, endp-inp-2);
+ span = apr_cpystrn(outp, lookup_variable(r, var), space) - outp;
+ }
+ else {
+ span = 0;
+ }
+ inp = endp+1;
+ outp += span;
+ space -= span;
+ continue;
+ }
+ else if (apr_isdigit(inp[1])) {
+ int n = inp[1] - '0';
+ backrefinfo *bri = NULL;
+ if (inp[0] == '$') {
+ /* $N RewriteRule regexp backref expansion */
+ bri = briRR;
+ }
+ else if (inp[0] == '%') {
+ /* %N RewriteCond regexp backref expansion */
+ bri = briRC;
+ }
+ /* see ap_pregsub() in src/main/util.c */
+ if (bri && n <= bri->nsub &&
+ bri->regmatch[n].rm_eo > bri->regmatch[n].rm_so) {
+ span = bri->regmatch[n].rm_eo - bri->regmatch[n].rm_so;
+ if (span > space) {
+ span = space;
+ }
+ memcpy(outp, bri->source + bri->regmatch[n].rm_so, span);
+ outp += span;
+ space -= span;
+ }
+ inp += 2;
+ continue;
+ }
+ skip:
+ *outp++ = *inp++;
+ space--;
+ }
+ *outp++ = '\0';
+}
+
+
+/*
+**
+** perform all the expansions on the environment variables
+**
+*/
+
+static void do_expand_env(request_rec *r, char *env[],
+ backrefinfo *briRR, backrefinfo *briRC)
+{
+ int i;
+ char buf[MAX_STRING_LEN];
+
+ for (i = 0; env[i] != NULL; i++) {
+ do_expand(r, env[i], buf, sizeof(buf), briRR, briRC);
+ add_env_variable(r, buf);
+ }
+}
+
+
/*
**
** split out a QUERY_STRING part from
static void fully_qualify_uri(request_rec *r)
{
- int i;
char buf[32];
const char *thisserver;
char *thisport;
int port;
- i = strlen(r->filename);
- if (!( (i > 7 && strncasecmp(r->filename, "http://", 7) == 0)
- || (i > 8 && strncasecmp(r->filename, "https://", 8) == 0)
- || (i > 9 && strncasecmp(r->filename, "gopher://", 9) == 0)
- || (i > 6 && strncasecmp(r->filename, "ftp://", 6) == 0)
- || (i > 5 && strncasecmp(r->filename, "ldap:", 5) == 0)
- || (i > 5 && strncasecmp(r->filename, "news:", 5) == 0)
- || (i > 7 && strncasecmp(r->filename, "mailto:", 7) == 0))) {
+ if (!is_absolute_uri(r->filename)) {
thisserver = ap_get_server_name(r);
port = ap_get_server_port(r);
/*
**
-** Expand the %0-%9 or $0-$9 regex backreferences
+** return non-zero if the URI is absolute (includes a scheme etc.)
**
*/
-static void expand_backref_inbuffer(apr_pool_t *p, char *buf, int nbuf,
- backrefinfo *bri, char c)
+static int is_absolute_uri(char *uri)
{
- register int i;
-
- /* protect existing $N and & backrefs and replace <c>N with $N backrefs */
- for (i = 0; buf[i] != '\0' && i < nbuf; i++) {
- if (buf[i] == '\\' && (buf[i+1] != '\0' && i < (nbuf-1))) {
- i++; /* protect next */
- }
- else if (buf[i] == '&') {
- buf[i] = '\001';
- }
- else if (c != '$' && buf[i] == '$' && (buf[i+1] >= '0' && buf[i+1] <= '9')) {
- buf[i] = '\002';
- i++; /* speedup */
- }
- else if (buf[i] == c && (buf[i+1] >= '0' && buf[i+1] <= '9')) {
- buf[i] = '$';
- i++; /* speedup */
- }
+ int i = strlen(uri);
+ if ( (i > 7 && strncasecmp(uri, "http://", 7) == 0)
+ || (i > 8 && strncasecmp(uri, "https://", 8) == 0)
+ || (i > 9 && strncasecmp(uri, "gopher://", 9) == 0)
+ || (i > 6 && strncasecmp(uri, "ftp://", 6) == 0)
+ || (i > 5 && strncasecmp(uri, "ldap:", 5) == 0)
+ || (i > 5 && strncasecmp(uri, "news:", 5) == 0)
+ || (i > 7 && strncasecmp(uri, "mailto:", 7) == 0) ) {
+ return 1;
}
-
- /* now apply the standard regex substitution function */
- apr_cpystrn(buf, ap_pregsub(p, buf, bri->source,
- bri->nsub+1, bri->regmatch), nbuf);
-
- /* restore the original $N and & backrefs */
- for (i = 0; buf[i] != '\0' && i < nbuf; i++) {
- if (buf[i] == '\001') {
- buf[i] = '&';
- }
- else if (buf[i] == '\002') {
- buf[i] = '$';
- }
+ else {
+ return 0;
}
}
/*
**
-** Expand tilde-paths (/~user) through
-** Unix /etc/passwd database information
+** Expand tilde-paths (/~user) through Unix /etc/passwd
+** database information (or other OS-specific database)
**
*/
-#if !defined(WIN32) && !defined(NETWARE)
+#if APR_HAS_USER
static char *expand_tildepaths(request_rec *r, char *uri)
{
char user[LONG_STRING_LEN];
- struct passwd *pw;
char *newuri;
int i, j;
+ char *homedir;
newuri = uri;
if (uri != NULL && strlen(uri) > 2 && uri[0] == '/' && uri[1] == '~') {
user[j] = '\0';
/* lookup username in systems passwd file */
- if ((pw = getpwnam(user)) != NULL) {
+ if (apr_get_home_directory(&homedir, user, r->pool) == APR_SUCCESS) {
/* ok, user was found, so expand the ~user string */
if (uri[i] != '\0') {
/* ~user/anything... has to be expanded */
- if (pw->pw_dir[strlen(pw->pw_dir)-1] == '/') {
- pw->pw_dir[strlen(pw->pw_dir)-1] = '\0';
+ if (homedir[strlen(homedir)-1] == '/') {
+ homedir[strlen(homedir)-1] = '\0';
}
- newuri = apr_pstrcat(r->pool, pw->pw_dir, uri+i, NULL);
+ newuri = apr_pstrcat(r->pool, homedir, uri+i, NULL);
}
else {
/* only ~user has to be expanded */
- newuri = apr_pstrdup(r->pool, pw->pw_dir);
+ newuri = homedir;
}
}
}
return newuri;
}
-#endif
-
-/*
-**
-** mapfile expansion support
-** i.e. expansion of MAP lookup directives
-** ${<mapname>:<key>} in RewriteRule rhs
-**
-*/
-
-#define limit_length(n) (n > LONG_STRING_LEN-1 ? LONG_STRING_LEN-1 : n)
-
-static void expand_map_lookups(request_rec *r, char *uri, int uri_len)
-{
- char newuri[MAX_STRING_LEN];
- char *cpI;
- char *cpIE;
- char *cpO;
- char *cpT;
- char *cpT2;
- char mapname[LONG_STRING_LEN];
- char mapkey[LONG_STRING_LEN];
- char defaultvalue[LONG_STRING_LEN];
- int n;
-
- cpI = uri;
- cpIE = cpI+strlen(cpI);
- cpO = newuri;
- while (cpI < cpIE) {
- if (cpI+6 < cpIE && strncmp(cpI, "${", 2) == 0) {
- /* missing delimiter -> take it as plain text */
- if ( strchr(cpI+2, ':') == NULL
- || strchr(cpI+2, '}') == NULL) {
- memcpy(cpO, cpI, 2);
- cpO += 2;
- cpI += 2;
- continue;
- }
- cpI += 2;
-
- cpT = strchr(cpI, ':');
- n = cpT-cpI;
- memcpy(mapname, cpI, limit_length(n));
- mapname[limit_length(n)] = '\0';
- cpI += n+1;
-
- cpT2 = strchr(cpI, '|');
- cpT = strchr(cpI, '}');
- if (cpT2 != NULL && cpT2 < cpT) {
- n = cpT2-cpI;
- memcpy(mapkey, cpI, limit_length(n));
- mapkey[limit_length(n)] = '\0';
- cpI += n+1;
-
- n = cpT-cpI;
- memcpy(defaultvalue, cpI, limit_length(n));
- defaultvalue[limit_length(n)] = '\0';
- cpI += n+1;
- }
- else {
- n = cpT-cpI;
- memcpy(mapkey, cpI, limit_length(n));
- mapkey[limit_length(n)] = '\0';
- cpI += n+1;
-
- defaultvalue[0] = '\0';
- }
-
- cpT = lookup_map(r, mapname, mapkey);
- if (cpT != NULL) {
- n = strlen(cpT);
- if (cpO + n >= newuri + sizeof(newuri)) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR,
- 0, r, "insufficient space in "
- "expand_map_lookups, aborting");
- return;
- }
- memcpy(cpO, cpT, n);
- cpO += n;
- }
- else {
- n = strlen(defaultvalue);
- if (cpO + n >= newuri + sizeof(newuri)) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR,
- 0, r, "insufficient space in "
- "expand_map_lookups, aborting");
- return;
- }
- memcpy(cpO, defaultvalue, n);
- cpO += n;
- }
- }
- else {
- cpT = strstr(cpI, "${");
- if (cpT == NULL)
- cpT = cpI+strlen(cpI);
- n = cpT-cpI;
- if (cpO + n >= newuri + sizeof(newuri)) {
- ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR,
- 0, r, "insufficient space in "
- "expand_map_lookups, aborting");
- return;
- }
- memcpy(cpO, cpI, n);
- cpO += n;
- cpI += n;
- }
- }
- *cpO = '\0';
- apr_cpystrn(uri, newuri, uri_len);
- return;
-}
-
-#undef limit_length
+#endif /* if APR_HAS_USER */
rewritemap_entry *s;
char *value;
apr_finfo_t st;
+ apr_status_t rv;
int i;
/* get map configuration */
s = &entries[i];
if (strcmp(s->name, name) == 0) {
if (s->type == MAPTYPE_TXT) {
- if (apr_stat(&st, s->checkfile, r->pool) != APR_SUCCESS) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+ if ((rv = apr_stat(&st, s->checkfile,
+ APR_FINFO_MIN, r->pool)) != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"mod_rewrite: can't access text RewriteMap "
"file %s", s->checkfile);
rewritelog(r, 1, "can't open RewriteMap file, "
}
else if (s->type == MAPTYPE_DBM) {
#ifndef NO_DBM_REWRITEMAP
- if (apr_stat(&st, s->checkfile, r->pool) != APR_SUCCESS) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
+ if ((rv = apr_stat(&st, s->checkfile,
+ APR_FINFO_MIN, r->pool)) != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"mod_rewrite: can't access DBM RewriteMap "
"file %s", s->checkfile);
rewritelog(r, 1, "can't open DBM RewriteMap file, "
}
}
else if (s->type == MAPTYPE_RND) {
- if (apr_stat(&st, s->checkfile, r->pool) == -1) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, errno, r,
+ if ((rv = apr_stat(&st, s->checkfile,
+ APR_FINFO_MIN, r->pool)) != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"mod_rewrite: can't access text RewriteMap "
"file %s", s->checkfile);
rewritelog(r, 1, "can't open RewriteMap file, "
return NULL;
}
-static char *lookup_map_txtfile(request_rec *r, char *file, char *key)
+static char *lookup_map_txtfile(request_rec *r, const char *file, char *key)
{
apr_file_t *fp = NULL;
apr_status_t rc;
char *curkey;
char *curval;
- rc = apr_open(&fp, file, APR_READ, APR_OS_DEFAULT, r->pool);
+ rc = apr_file_open(&fp, file, APR_READ, APR_OS_DEFAULT, r->pool);
if (rc != APR_SUCCESS) {
return NULL;
}
- while (apr_fgets(line, sizeof(line), fp) == APR_SUCCESS) {
+ while (apr_file_gets(line, sizeof(line), fp) == APR_SUCCESS) {
if (line[0] == '#')
continue; /* ignore comments */
cpT = line;
value = apr_pstrdup(r->pool, curval);
break;
}
- apr_close(fp);
+ apr_file_close(fp);
return value;
}
#ifndef NO_DBM_REWRITEMAP
-static char *lookup_map_dbmfile(request_rec *r, char *file, char *key)
+static char *lookup_map_dbmfile(request_rec *r, const char *file, char *key)
{
DBM *dbmfp = NULL;
datum dbmkey;
char buf[LONG_STRING_LEN];
char c;
int i;
- apr_ssize_t nbytes;
+ apr_size_t nbytes;
#ifndef NO_WRITEV
struct iovec iova[2];
/* take the lock */
- apr_lock(rewrite_mapr_lock);
+ if (rewrite_mapr_lock_aquire) {
+ apr_lock_aquire(rewrite_mapr_lock_aquire);
+ }
/* write out the request key */
#ifdef NO_WRITEV
nbytes = strlen(key);
- apr_write(fpin, key, &nbytes);
+ apr_file_write(fpin, key, &nbytes);
nbytes = 1;
- apr_write(fpin, "\n", &nbytes);
+ apr_file_write(fpin, "\n", &nbytes);
#else
iova[0].iov_base = key;
iova[0].iov_len = strlen(key);
iova[1].iov_len = 1;
niov = 2;
- apr_writev(fpin, iova, niov, &nbytes);
+ apr_file_writev(fpin, iova, niov, &nbytes);
#endif
/* read in the response value */
i = 0;
nbytes = 1;
- apr_read(fpout, &c, &nbytes);
+ apr_file_read(fpout, &c, &nbytes);
while (nbytes == 1 && (i < LONG_STRING_LEN-1)) {
if (c == '\n') {
break;
}
buf[i++] = c;
- apr_read(fpout, &c, &nbytes);
+ apr_file_read(fpout, &c, &nbytes);
}
buf[i] = '\0';
/* give the lock back */
- apr_unlock(rewrite_mapr_lock);
+ if (rewrite_mapr_lock_aquire) {
+ apr_lock_release(rewrite_mapr_lock_aquire);
+ }
if (strcasecmp(buf, "NULL") == 0) {
return NULL;
for (cp = value = apr_pstrdup(r->pool, key); cp != NULL && *cp != '\0';
cp++) {
- *cp = ap_toupper(*cp);
+ *cp = apr_toupper(*cp);
}
return value;
}
for (cp = value = apr_pstrdup(r->pool, key); cp != NULL && *cp != '\0';
cp++) {
- *cp = ap_tolower(*cp);
+ *cp = apr_tolower(*cp);
}
return value;
}
if (*conf->rewritelogfile == '|') {
if ((pl = ap_open_piped_log(p, conf->rewritelogfile+1)) == NULL) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s,
+ ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, s,
"mod_rewrite: could not open reliable pipe "
"to RewriteLog filter %s", conf->rewritelogfile+1);
exit(1);
conf->rewritelogfp = ap_piped_log_write_fd(pl);
}
else if (*conf->rewritelogfile != '\0') {
- rc = apr_open(&conf->rewritelogfp, fname, rewritelog_flags, rewritelog_mode, p);
+ rc = apr_file_open(&conf->rewritelogfp, fname, rewritelog_flags, rewritelog_mode, p);
if (rc != APR_SUCCESS) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s,
+ ap_log_error(APLOG_MARK, APLOG_ERR, rc, s,
"mod_rewrite: could not open RewriteLog "
"file %s", fname);
exit(1);
char redir[20];
va_list ap;
int i;
- apr_ssize_t nbytes;
+ apr_size_t nbytes;
request_rec *req;
char *ruser;
const char *rhost;
(unsigned long)(r->server), (unsigned long)r,
type, redir, level, str2);
- apr_lock(rewrite_log_lock);
+ apr_lock_aquire(rewrite_log_lock);
nbytes = strlen(str3);
- apr_write(conf->rewritelogfp, str3, &nbytes);
- apr_unlock(rewrite_log_lock);
+ apr_file_write(conf->rewritelogfp, str3, &nbytes);
+ apr_lock_release(rewrite_log_lock);
va_end(ap);
return;
static char *current_logtime(request_rec *r)
{
- ap_exploded_time_t t;
+ apr_exploded_time_t t;
char tstr[80];
apr_size_t len;
- apr_explode_localtime(&t, apr_now());
+ apr_explode_localtime(&t, apr_time_now());
apr_strftime(tstr, &len, 80, "[%d/%b/%Y:%H:%M:%S ", &t);
apr_snprintf(tstr + strlen(tstr), 80-strlen(tstr), "%c%.2d%.2d]",
lockname = ap_server_root_relative(p, lockname);
/* create the lockfile */
- rc = apr_create_lock (&rewrite_mapr_lock, APR_MUTEX, APR_LOCKALL, lockname, p);
+ rc = apr_lock_create (&rewrite_mapr_lock_aquire, APR_MUTEX, APR_LOCKALL, lockname, p);
if (rc != APR_SUCCESS) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s,
+ ap_log_error(APLOG_MARK, APLOG_ERR, rc, s,
"mod_rewrite: Parent could not create RewriteLock "
"file %s", lockname);
exit(1);
}
/* destroy the rewritelock */
- apr_destroy_lock (rewrite_mapr_lock);
- rewrite_mapr_lock = NULL;
+ apr_lock_destroy (rewrite_mapr_lock_aquire);
+ rewrite_mapr_lock_aquire = NULL;
lockname = NULL;
return(0);
}
rewritemap_entry *entries;
rewritemap_entry *map;
int i;
- int rc;
+ apr_status_t rc;
conf = ap_get_module_config(s->module_config, &rewrite_module);
rc = rewritemap_program_child(p, map->datafile,
&fpout, &fpin, &fperr);
if (rc != APR_SUCCESS || fpin == NULL || fpout == NULL) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, s,
+ ap_log_error(APLOG_MARK, APLOG_ERR, rc, s,
"mod_rewrite: could not fork child for "
- "RewriteMap process. %d", rc);
+ "RewriteMap process");
exit(1);
}
map->fpin = fpin;
}
/* child process code */
-static int rewritemap_program_child(apr_pool_t *p, char *progname,
- apr_file_t **fpout, apr_file_t **fpin,
- apr_file_t **fperr)
+static apr_status_t rewritemap_program_child(apr_pool_t *p, const char *progname,
+ apr_file_t **fpout, apr_file_t **fpin,
+ apr_file_t **fperr)
{
- int rc = -1;
+ apr_status_t rc;
apr_procattr_t *procattr;
apr_proc_t *procnew;
#endif
- if ((apr_createprocattr_init(&procattr, p) != APR_SUCCESS) ||
- (apr_setprocattr_io(procattr, APR_FULL_BLOCK,
- APR_FULL_NONBLOCK,
- APR_FULL_NONBLOCK) != APR_SUCCESS) ||
- (apr_setprocattr_dir(procattr, ap_make_dirstr_parent(p, progname))
- != APR_SUCCESS) ||
- (apr_setprocattr_cmdtype(procattr, APR_PROGRAM) != APR_SUCCESS)) {
+ if (((rc = apr_procattr_create(&procattr, p)) != APR_SUCCESS) ||
+ ((rc = apr_procattr_io_set(procattr, APR_FULL_BLOCK,
+ APR_FULL_NONBLOCK,
+ APR_FULL_NONBLOCK)) != APR_SUCCESS) ||
+ ((rc = apr_procattr_dir_set(procattr,
+ ap_make_dirstr_parent(p, progname)))
+ != APR_SUCCESS) ||
+ ((rc = apr_procattr_cmdtype_set(procattr, APR_PROGRAM)) != APR_SUCCESS)) {
/* Something bad happened, give up and go away. */
- rc = -1;
}
else {
procnew = apr_pcalloc(p, sizeof(*procnew));
- rc = apr_create_process(procnew, progname, NULL, NULL, procattr, p);
+ rc = apr_proc_create(procnew, progname, NULL, NULL, procattr, p);
if (rc == APR_SUCCESS) {
- apr_note_subprocess(p, procnew, kill_after_timeout);
+ apr_pool_note_subprocess(p, procnew, kill_after_timeout);
if (fpin) {
(*fpin) = procnew->in;
*/
-static void expand_variables_inbuffer(request_rec *r, char *buf, int buf_len)
-{
- char *newbuf;
- newbuf = expand_variables(r, buf);
- if (strcmp(newbuf, buf) != 0) {
- apr_cpystrn(buf, newbuf, buf_len);
- }
- return;
-}
-
-static char *expand_variables(request_rec *r, char *str)
-{
- char output[MAX_STRING_LEN];
- char input[MAX_STRING_LEN];
- char *cp;
- char *cp2;
- char *cp3;
- int expanded;
- char *outp;
- char *endp;
-
- apr_cpystrn(input, str, sizeof(input));
- output[0] = '\0';
- outp = output;
- endp = output + sizeof(output);
- expanded = 0;
- for (cp = input; cp < input+MAX_STRING_LEN; ) {
- if ((cp2 = strstr(cp, "%{")) != NULL) {
- if ((cp3 = strstr(cp2, "}")) != NULL) {
- *cp2 = '\0';
- outp = apr_cpystrn(outp, cp, endp - outp);
-
- cp2 += 2;
- *cp3 = '\0';
- outp = apr_cpystrn(outp, lookup_variable(r, cp2), endp - outp);
-
- cp = cp3+1;
- expanded = 1;
- continue;
- }
- }
- outp = apr_cpystrn(outp, cp, endp - outp);
- break;
- }
- return expanded ? apr_pstrdup(r->pool, output) : str;
-}
-
static char *lookup_variable(request_rec *r, char *var)
{
const char *result;
char resultbuf[LONG_STRING_LEN];
- ap_exploded_time_t tm;
+ apr_exploded_time_t tm;
request_rec *rsub;
-#ifndef WIN32
- struct passwd *pw;
- struct group *gr;
- apr_finfo_t finfo;
-#endif
result = NULL;
/* XXX: wow this has gotta be slow if you actually use it for a lot, recalculates exploded time for each variable */
/* underlaying Unix system stuff */
else if (strcasecmp(var, "TIME_YEAR") == 0) {
- apr_explode_localtime(&tm, apr_now());
+ apr_explode_localtime(&tm, apr_time_now());
apr_snprintf(resultbuf, sizeof(resultbuf), "%04d", tm.tm_year + 1900);
result = resultbuf;
}
#define MKTIMESTR(format, tmfield) \
- apr_explode_localtime(&tm, apr_now()); \
+ apr_explode_localtime(&tm, apr_time_now()); \
apr_snprintf(resultbuf, sizeof(resultbuf), format, tm.tmfield); \
result = resultbuf;
else if (strcasecmp(var, "TIME_MON") == 0) {
MKTIMESTR("%d", tm_wday)
}
else if (strcasecmp(var, "TIME") == 0) {
- apr_explode_localtime(&tm, apr_now());
+ apr_explode_localtime(&tm, apr_time_now());
apr_snprintf(resultbuf, sizeof(resultbuf),
"%04d%02d%02d%02d%02d%02d", tm.tm_year + 1900,
tm.tm_mon+1, tm.tm_mday,
/* ...and sub and main paths differ */ \
&& strcmp(r->main->uri, r->uri) != 0))) { \
/* process a file-based subrequest */ \
- rsub = subrecfunc(r->filename, r); \
+ rsub = subrecfunc(r->filename, r, NULL); \
/* now recursively lookup the variable in the sub_req */ \
result = lookup_variable(rsub, var+5); \
/* copy it up to our scope before we destroy sub_req's apr_pool_t */ \
LOOKAHEAD(ap_sub_req_lookup_file)
}
-#if !defined(WIN32) && !defined(NETWARE)
- /* Win32 has a rather different view of file ownerships.
- For now, just forget it */
-
/* file stuff */
else if (strcasecmp(var, "SCRIPT_USER") == 0) {
result = "<unknown>";
- if (r->finfo.protection != 0) {
- if ((pw = getpwuid(r->finfo.user)) != NULL) {
- result = pw->pw_name;
- }
- }
- else {
- if (apr_stat(&finfo, r->filename, r->pool) == APR_SUCCESS) {
- if ((pw = getpwuid(finfo.user)) != NULL) {
- result = pw->pw_name;
- }
- }
+ if (r->finfo.valid & APR_FINFO_USER) {
+ apr_get_username((char **)&result, r->finfo.user, r->pool);
}
}
else if (strcasecmp(var, "SCRIPT_GROUP") == 0) {
result = "<unknown>";
- if (r->finfo.protection != 0) {
- if ((gr = getgrgid(r->finfo.group)) != NULL) {
- result = gr->gr_name;
- }
- }
- else {
- if (apr_stat(&finfo, r->filename, r->pool) == 0) {
- if ((gr = getgrgid(finfo.group)) != NULL) {
- result = gr->gr_name;
- }
- }
+ if (r->finfo.valid & APR_FINFO_GROUP) {
+ apr_get_groupname((char **)&result, r->finfo.group, r->pool);
}
}
-#endif /* ndef WIN32 && NETWARE*/
if (result == NULL) {
return apr_pstrdup(r->pool, "");
apr_table_entry_t *hdrs;
int i;
- hdrs_arr = ap_table_elts(r->headers_in);
+ hdrs_arr = apr_table_elts(r->headers_in);
hdrs = (apr_table_entry_t *)hdrs_arr->elts;
for (i = 0; i < hdrs_arr->nelts; ++i) {
if (hdrs[i].key == NULL) {
cache *c;
c = (cache *)apr_palloc(p, sizeof(cache));
- if (apr_create_pool(&c->pool, p) != APR_SUCCESS)
+ if (apr_pool_create(&c->pool, p) != APR_SUCCESS)
return NULL;
- c->lists = apr_make_array(c->pool, 2, sizeof(cachelist));
+ c->lists = apr_array_make(c->pool, 2, sizeof(cachelist));
return c;
}
-static void set_cache_string(cache *c, char *res, int mode, time_t t,
+static void set_cache_string(cache *c, const char *res, int mode, time_t t,
char *key, char *value)
{
cacheentry ce;
return;
}
-static char *get_cache_string(cache *c, char *res, int mode,
+static char *get_cache_string(cache *c, const char *res, int mode,
time_t t, char *key)
{
cacheentry *ce;
tlb->t[0] = e - elt;
}
-static void store_cache_string(cache *c, char *res, cacheentry *ce)
+static void store_cache_string(cache *c, const char *res, cacheentry *ce)
{
int i;
int j;
/* create a needed new list */
if (!found_list) {
- l = apr_push_array(c->lists);
+ l = apr_array_push(c->lists);
l->resource = apr_pstrdup(c->pool, res);
- l->entries = apr_make_array(c->pool, 2, sizeof(cacheentry));
- l->tlb = apr_make_array(c->pool, CACHE_TLB_ROWS,
+ l->entries = apr_array_make(c->pool, 2, sizeof(cacheentry));
+ l->tlb = apr_array_make(c->pool, CACHE_TLB_ROWS,
sizeof(cachetlbentry));
for (i=0; i<CACHE_TLB_ROWS; ++i) {
t = &((cachetlbentry *)l->tlb->elts)[i];
for (i = 0; i < c->lists->nelts; i++) {
l = &(((cachelist *)c->lists->elts)[i]);
if (strcmp(l->resource, res) == 0) {
- e = apr_push_array(l->entries);
+ e = apr_array_push(l->entries);
e->time = ce->time;
e->key = apr_pstrdup(c->pool, ce->key);
e->value = apr_pstrdup(c->pool, ce->value);
return;
}
-static cacheentry *retrieve_cache_string(cache *c, char *res, char *key)
+static cacheentry *retrieve_cache_string(cache *c, const char *res, char *key)
{
int i;
int j;
*/
static char *subst_prefix_path(request_rec *r, char *input, char *match,
- char *subst)
+ const char *subst)
{
char matchbuf[LONG_STRING_LEN];
char substbuf[LONG_STRING_LEN];
}
+/*
+**
+** check that a subrequest won't cause infinite recursion
+**
+*/
+
+static int subreq_ok(request_rec *r)
+{
+ /*
+ * either not in a subrequest, or in a subrequest
+ * and URIs aren't NULL and sub/main URIs differ
+ */
+ return (r->main == NULL ||
+ (r->main->uri != NULL && r->uri != NULL &&
+ strcmp(r->main->uri, r->uri) != 0));
+}
+
/*
**
if ((cp = strchr(curpath+1, '/')) != NULL) {
*cp = '\0';
}
- if (apr_stat(sb, curpath, NULL) == 0) {
+ if (apr_stat(sb, curpath, APR_FINFO_MIN, NULL) == APR_SUCCESS) {
return 1;
}
else {
return 0;
}
+/*
+**
+** Bracketed expression handling
+** s points after the opening bracket
+**
+*/
+
+static char *find_closing_bracket(char *s, int left, int right)
+{
+ int depth;
+
+ for (depth = 1; *s; ++s) {
+ if (*s == right && --depth == 0) {
+ return s;
+ }
+ else if (*s == left) {
+ ++depth;
+ }
+ }
+ return NULL;
+}
+
+static char *find_char_in_brackets(char *s, int c, int left, int right)
+{
+ int depth;
+
+ for (depth = 1; *s; ++s) {
+ if (*s == c && depth == 1) {
+ return s;
+ }
+ else if (*s == right && --depth == 0) {
+ return NULL;
+ }
+ else if (*s == left) {
+ ++depth;
+ }
+ }
+ return NULL;
+}
+
+/*
+**
+** Module paraphernalia
+**
+*/
+
#ifdef NETWARE
int main(int argc, char *argv[])
{
ExitThread(TSR_THREAD, 0);
}
#endif
+
+ /* the apr_table_t of commands we provide */
+static const command_rec command_table[] = {
+ AP_INIT_FLAG( "RewriteEngine", cmd_rewriteengine, NULL, OR_FILEINFO,
+ "On or Off to enable or disable (default) the whole "
+ "rewriting engine"),
+ AP_INIT_ITERATE( "RewriteOptions", cmd_rewriteoptions, NULL, OR_FILEINFO,
+ "List of option strings to set"),
+ AP_INIT_TAKE1( "RewriteBase", cmd_rewritebase, NULL, OR_FILEINFO,
+ "the base URL of the per-directory context"),
+ AP_INIT_RAW_ARGS("RewriteCond", cmd_rewritecond, NULL, OR_FILEINFO,
+ "an input string and a to be applied regexp-pattern"),
+ AP_INIT_RAW_ARGS("RewriteRule", cmd_rewriterule, NULL, OR_FILEINFO,
+ "an URL-applied regexp-pattern and a substitution URL"),
+ AP_INIT_TAKE2( "RewriteMap", cmd_rewritemap, NULL, RSRC_CONF,
+ "a mapname and a filename"),
+ AP_INIT_TAKE1( "RewriteLock", cmd_rewritelock, NULL, RSRC_CONF,
+ "the filename of a lockfile used for inter-process "
+ "synchronization"),
+ AP_INIT_TAKE1( "RewriteLog", cmd_rewritelog, NULL, RSRC_CONF,
+ "the filename of the rewriting logfile"),
+ AP_INIT_TAKE1( "RewriteLogLevel", cmd_rewriteloglevel, NULL, RSRC_CONF,
+ "the level of the rewriting logfile verbosity "
+ "(0=none, 1=std, .., 9=max)"),
+ { NULL }
+};
+
+static void register_hooks(apr_pool_t *p)
+{
+ ap_hook_handler(handler_redirect, NULL, NULL, APR_HOOK_MIDDLE);
+ ap_hook_post_config(init_module,NULL,NULL,APR_HOOK_MIDDLE);
+ ap_hook_child_init(init_child,NULL,NULL,APR_HOOK_MIDDLE);
+
+ ap_hook_fixups(hook_fixup,NULL,NULL,APR_HOOK_FIRST);
+ ap_hook_translate_name(hook_uri2file,NULL,NULL,APR_HOOK_FIRST);
+ ap_hook_type_checker(hook_mimetype,NULL,NULL,APR_HOOK_MIDDLE);
+}
+
+ /* the main config structure */
+module AP_MODULE_DECLARE_DATA rewrite_module = {
+ STANDARD20_MODULE_STUFF,
+ config_perdir_create, /* create per-dir config structures */
+ config_perdir_merge, /* merge per-dir config structures */
+ config_server_create, /* create per-server config structures */
+ config_server_merge, /* merge per-server config structures */
+ command_table, /* apr_table_t of config file commands */
+ register_hooks /* register hooks */
+};
/*EOF*/
projects / apache / blobdiff