[mod_redirect, mod_rewrite] code reuse (sharing)
This commit is contained in:
parent
22f3f43621
commit
cf9474aa2c
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@ -174,6 +174,14 @@ http_method_t get_http_method_key(const char *s) {
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#include <pcre.h>
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#endif
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typedef struct pcre_keyvalue {
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#ifdef HAVE_PCRE_H
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pcre *key;
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pcre_extra *key_extra;
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#endif
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buffer *value;
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} pcre_keyvalue;
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pcre_keyvalue_buffer *pcre_keyvalue_buffer_init(void) {
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pcre_keyvalue_buffer *kvb;
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@ -183,17 +191,15 @@ pcre_keyvalue_buffer *pcre_keyvalue_buffer_init(void) {
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return kvb;
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}
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int pcre_keyvalue_buffer_append(server *srv, pcre_keyvalue_buffer *kvb, const char *key, const char *value) {
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int pcre_keyvalue_buffer_append(server *srv, pcre_keyvalue_buffer *kvb, buffer *key, buffer *value) {
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#ifdef HAVE_PCRE_H
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size_t i;
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const char *errptr;
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int erroff;
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pcre_keyvalue *kv;
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#endif
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if (!key) return -1;
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#ifdef HAVE_PCRE_H
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if (kvb->size == 0) {
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kvb->size = 4;
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kvb->used = 0;
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@ -218,7 +224,7 @@ int pcre_keyvalue_buffer_append(server *srv, pcre_keyvalue_buffer *kvb, const ch
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}
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kv = kvb->kv[kvb->used];
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if (NULL == (kv->key = pcre_compile(key,
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if (NULL == (kv->key = pcre_compile(key->ptr,
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0, &errptr, &erroff, NULL))) {
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log_error_write(srv, __FILE__, __LINE__, "SS",
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@ -231,17 +237,22 @@ int pcre_keyvalue_buffer_append(server *srv, pcre_keyvalue_buffer *kvb, const ch
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return -1;
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}
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kv->value = buffer_init_string(value);
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kv->value = buffer_init_buffer(value);
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kvb->used++;
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return 0;
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#else
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static int logged_message = 0;
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if (logged_message) return 0;
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logged_message = 1;
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log_error_write(srv, __FILE__, __LINE__, "s",
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"pcre support is missing, please install libpcre and the headers");
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UNUSED(kvb);
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UNUSED(key);
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UNUSED(value);
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return -1;
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#endif
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return 0;
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}
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void pcre_keyvalue_buffer_free(pcre_keyvalue_buffer *kvb) {
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@ -263,7 +274,8 @@ void pcre_keyvalue_buffer_free(pcre_keyvalue_buffer *kvb) {
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free(kvb);
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}
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void pcre_keyvalue_buffer_subst(buffer *b, const buffer *patternb, const char **list, int n, struct cond_cache_t *cache) {
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#ifdef HAVE_PCRE_H
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static void pcre_keyvalue_buffer_subst(buffer *b, const buffer *patternb, const char **list, int n, pcre_keyvalue_ctx *ctx) {
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const char *pattern = patternb->ptr;
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const size_t pattern_len = buffer_string_length(patternb);
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size_t start = 0;
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@ -286,7 +298,8 @@ void pcre_keyvalue_buffer_subst(buffer *b, const buffer *patternb, const char **
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if (num < (size_t)n) {
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buffer_append_string(b, list[num]);
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}
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} else if (cache) {
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} else if (ctx->cache) {
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const struct cond_cache_t * const cache = ctx->cache;
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if (num < (size_t)cache->patterncount) {
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num <<= 1; /* n *= 2 */
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buffer_append_string_len(b,
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@ -309,3 +322,44 @@ void pcre_keyvalue_buffer_subst(buffer *b, const buffer *patternb, const char **
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buffer_append_string_len(b, pattern + start, pattern_len - start);
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}
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handler_t pcre_keyvalue_buffer_process(pcre_keyvalue_buffer *kvb, pcre_keyvalue_ctx *ctx, buffer *input, buffer *result) {
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for (int i = 0, used = (int)kvb->used; i < used; ++i) {
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pcre_keyvalue * const kv = kvb->kv[i];
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#define N 10
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int ovec[N * 3];
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#undef N
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int n = pcre_exec(kv->key, kv->key_extra, CONST_BUF_LEN(input),
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0, 0, ovec, sizeof(ovec)/sizeof(int));
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if (n < 0) {
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if (n != PCRE_ERROR_NOMATCH) {
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return HANDLER_ERROR;
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}
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}
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else if (buffer_string_is_empty(kv->value)) {
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/* short-circuit if blank replacement pattern
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* (do not attempt to match against remaining kvb rules) */
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ctx->m = i;
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return HANDLER_GO_ON;
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}
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else { /* it matched */
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const char **list;
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ctx->m = i;
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pcre_get_substring_list(input->ptr, ovec, n, &list);
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pcre_keyvalue_buffer_subst(result, kv->value, list, n, ctx);
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pcre_free(list);
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return HANDLER_FINISHED;
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}
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}
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return HANDLER_GO_ON;
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}
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#else
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handler_t pcre_keyvalue_buffer_process(pcre_keyvalue_buffer *kvb, pcre_keyvalue_ctx *ctx, buffer *input, buffer *result) {
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UNUSED(kvb);
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UNUSED(ctx);
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UNUSED(input);
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UNUSED(result);
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return HANDLER_GO_ON;
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}
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#endif
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@ -63,26 +63,18 @@ typedef enum { HTTP_VERSION_UNSET = -1, HTTP_VERSION_1_0, HTTP_VERSION_1_1 } htt
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typedef struct {
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int key;
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const char *value;
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} keyvalue;
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struct pcre_keyvalue; /* declaration */
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#ifdef HAVE_PCRE_H
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struct pcre_extra; /* declaration */
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#endif
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typedef struct pcre_keyvalue_ctx {
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struct cond_cache_t *cache;
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int m;
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} pcre_keyvalue_ctx;
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typedef struct {
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#ifdef HAVE_PCRE_H
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void *key;
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struct pcre_extra *key_extra;
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#endif
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buffer *value;
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} pcre_keyvalue;
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typedef struct {
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pcre_keyvalue **kv;
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struct pcre_keyvalue **kv;
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size_t used;
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size_t size;
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} pcre_keyvalue_buffer;
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@ -95,8 +87,8 @@ int get_http_version_key(const char *s);
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http_method_t get_http_method_key(const char *s);
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pcre_keyvalue_buffer *pcre_keyvalue_buffer_init(void);
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int pcre_keyvalue_buffer_append(struct server *srv, pcre_keyvalue_buffer *kvb, const char *key, const char *value);
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int pcre_keyvalue_buffer_append(struct server *srv, pcre_keyvalue_buffer *kvb, buffer *key, buffer *value);
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void pcre_keyvalue_buffer_free(pcre_keyvalue_buffer *kvb);
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void pcre_keyvalue_buffer_subst(buffer *b, const buffer *patternb, const char **list, int n, struct cond_cache_t *cache);
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handler_t pcre_keyvalue_buffer_process(pcre_keyvalue_buffer *kvb, pcre_keyvalue_ctx *ctx, buffer *input, buffer *result);
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#endif
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@ -7,64 +7,41 @@
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#include "plugin.h"
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#include "response.h"
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_PCRE_H
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#include <pcre.h>
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#endif
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typedef struct {
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pcre_keyvalue_buffer *redirect;
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data_config *context; /* to which apply me */
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unsigned short redirect_code;
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} plugin_config;
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typedef struct {
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PLUGIN_DATA;
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buffer *location;
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plugin_config **config_storage;
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plugin_config conf;
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} plugin_data;
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INIT_FUNC(mod_redirect_init) {
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plugin_data *p;
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p = calloc(1, sizeof(*p));
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p->location = buffer_init();
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return p;
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return calloc(1, sizeof(plugin_data));
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}
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FREE_FUNC(mod_redirect_free) {
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plugin_data *p = p_d;
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if (!p) return HANDLER_GO_ON;
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if (p->config_storage) {
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size_t i;
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for (i = 0; i < srv->config_context->used; i++) {
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plugin_config *s = p->config_storage[i];
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if (NULL == s) continue;
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pcre_keyvalue_buffer_free(s->redirect);
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free(s);
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}
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free(p->config_storage);
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}
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buffer_free(p->location);
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free(p);
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return HANDLER_GO_ON;
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}
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@ -103,6 +80,8 @@ SETDEFAULTS_FUNC(mod_redirect_set_defaults) {
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return HANDLER_ERROR;
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}
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if (s->redirect_code < 100 || s->redirect_code >= 1000) s->redirect_code = 301;
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if (NULL == (du = array_get_element(config->value, "url.redirect"))) {
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/* no url.redirect defined */
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continue;
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@ -117,12 +96,10 @@ SETDEFAULTS_FUNC(mod_redirect_set_defaults) {
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}
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for (j = 0; j < da->value->used; j++) {
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if (0 != pcre_keyvalue_buffer_append(srv, s->redirect,
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((data_string *)(da->value->data[j]))->key->ptr,
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((data_string *)(da->value->data[j]))->value->ptr)) {
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data_string *ds = (data_string *)da->value->data[j];
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if (0 != pcre_keyvalue_buffer_append(srv, s->redirect, ds->key, ds->value)) {
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log_error_write(srv, __FILE__, __LINE__, "sb",
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"pcre-compile failed for", da->value->data[j]->key);
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"pcre-compile failed for", ds->key);
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return HANDLER_ERROR;
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}
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}
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@ -130,7 +107,7 @@ SETDEFAULTS_FUNC(mod_redirect_set_defaults) {
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return HANDLER_GO_ON;
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}
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#ifdef HAVE_PCRE_H
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static int mod_redirect_patch_connection(server *srv, connection *con, plugin_data *p) {
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size_t i, j;
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plugin_config *s = p->config_storage[0];
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@ -162,70 +139,37 @@ static int mod_redirect_patch_connection(server *srv, connection *con, plugin_da
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return 0;
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}
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#endif
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static handler_t mod_redirect_uri_handler(server *srv, connection *con, void *p_data) {
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#ifdef HAVE_PCRE_H
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plugin_data *p = p_data;
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cond_cache_t *cache;
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size_t i;
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/*
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* REWRITE URL
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*
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* e.g. redirect /base/ to /index.php?section=base
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*
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*/
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URIHANDLER_FUNC(mod_redirect_uri_handler) {
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plugin_data *p = p_d;
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pcre_keyvalue_ctx ctx;
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handler_t rc;
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mod_redirect_patch_connection(srv, con, p);
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cache = p->conf.context ? &con->cond_cache[p->conf.context->context_ndx] : NULL;
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mod_redirect_patch_connection(srv, con, p);
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ctx.cache = p->conf.context
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? &con->cond_cache[p->conf.context->context_ndx]
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: NULL;
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for (i = 0; i < p->conf.redirect->used; i++) {
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pcre_keyvalue *kv = p->conf.redirect->kv[i];
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# define N 10
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int ovec[N * 3];
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int n = pcre_exec(kv->key, kv->key_extra, CONST_BUF_LEN(con->request.uri), 0, 0, ovec, 3 * N);
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if (n < 0) {
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if (n != PCRE_ERROR_NOMATCH) {
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log_error_write(srv, __FILE__, __LINE__, "sd",
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"execution error while matching: ", n);
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return HANDLER_ERROR;
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}
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} else if (0 == buffer_string_length(kv->value)) {
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/* short-circuit if blank replacement pattern
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* (do not attempt to match against remaining redirect rules) */
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return HANDLER_GO_ON;
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} else {
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const char **list;
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/* it matched */
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pcre_get_substring_list(con->request.uri->ptr, ovec, n, &list);
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pcre_keyvalue_buffer_subst(p->location, kv->value, list, n, cache);
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pcre_free(list);
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response_header_insert(srv, con, CONST_STR_LEN("Location"), CONST_BUF_LEN(p->location));
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con->http_status = p->conf.redirect_code > 99 && p->conf.redirect_code < 1000 ? p->conf.redirect_code : 301;
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con->mode = DIRECT;
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con->file_finished = 1;
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return HANDLER_FINISHED;
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}
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}
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#undef N
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#else
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UNUSED(srv);
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UNUSED(con);
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UNUSED(p_data);
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#endif
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return HANDLER_GO_ON;
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/* redirect URL on match
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* e.g. redirect /base/ to /index.php?section=base
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*/
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rc = pcre_keyvalue_buffer_process(p->conf.redirect, &ctx,
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con->request.uri, srv->tmp_buf);
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if (HANDLER_FINISHED == rc) {
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response_header_insert(srv, con, CONST_STR_LEN("Location"),
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CONST_BUF_LEN(srv->tmp_buf));
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con->http_status = p->conf.redirect_code;
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con->mode = DIRECT;
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con->file_finished = 1;
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}
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else if (HANDLER_ERROR == rc) {
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log_error_write(srv, __FILE__, __LINE__, "sb",
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"pcre_exec() error while processing uri:",
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con->request.uri);
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}
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return rc;
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}
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int mod_redirect_plugin_init(plugin *p);
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int mod_redirect_plugin_init(plugin *p) {
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p->version = LIGHTTPD_VERSION_ID;
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@ -7,33 +7,14 @@
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#include "plugin.h"
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#include "stat_cache.h"
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_PCRE_H
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#include <pcre.h>
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typedef struct {
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pcre *key;
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buffer *value;
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int once;
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} rewrite_rule;
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typedef struct {
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rewrite_rule **ptr;
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size_t used;
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size_t size;
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} rewrite_rule_buffer;
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typedef struct {
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rewrite_rule_buffer *rewrite;
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rewrite_rule_buffer *rewrite_NF;
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pcre_keyvalue_buffer *rewrite;
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pcre_keyvalue_buffer *rewrite_NF;
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data_config *context, *context_NF; /* to which apply me */
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int rewrite_repeat_idx, rewrite_NF_repeat_idx;
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} plugin_config;
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typedef struct {
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@ -43,10 +24,7 @@ typedef struct {
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typedef struct {
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PLUGIN_DATA;
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buffer *match_buf;
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plugin_config **config_storage;
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plugin_config conf;
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} plugin_data;
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@ -65,109 +43,31 @@ static void handler_ctx_free(handler_ctx *hctx) {
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free(hctx);
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}
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static rewrite_rule_buffer *rewrite_rule_buffer_init(void) {
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rewrite_rule_buffer *kvb;
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kvb = calloc(1, sizeof(*kvb));
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return kvb;
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}
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static int rewrite_rule_buffer_append(rewrite_rule_buffer *kvb, buffer *key, buffer *value, int once) {
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size_t i;
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const char *errptr;
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int erroff;
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if (!key) return -1;
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if (kvb->size == 0) {
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kvb->size = 4;
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kvb->used = 0;
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kvb->ptr = malloc(kvb->size * sizeof(*kvb->ptr));
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for(i = 0; i < kvb->size; i++) {
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kvb->ptr[i] = calloc(1, sizeof(**kvb->ptr));
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}
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} else if (kvb->used == kvb->size) {
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kvb->size += 4;
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kvb->ptr = realloc(kvb->ptr, kvb->size * sizeof(*kvb->ptr));
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for(i = kvb->used; i < kvb->size; i++) {
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kvb->ptr[i] = calloc(1, sizeof(**kvb->ptr));
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}
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}
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if (NULL == (kvb->ptr[kvb->used]->key = pcre_compile(key->ptr,
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0, &errptr, &erroff, NULL))) {
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return -1;
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}
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kvb->ptr[kvb->used]->value = buffer_init();
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buffer_copy_buffer(kvb->ptr[kvb->used]->value, value);
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kvb->ptr[kvb->used]->once = once;
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kvb->used++;
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|
||||
return 0;
|
||||
}
|
||||
|
||||
static void rewrite_rule_buffer_free(rewrite_rule_buffer *kvb) {
|
||||
size_t i;
|
||||
|
||||
for (i = 0; i < kvb->size; i++) {
|
||||
if (kvb->ptr[i]->key) pcre_free(kvb->ptr[i]->key);
|
||||
if (kvb->ptr[i]->value) buffer_free(kvb->ptr[i]->value);
|
||||
free(kvb->ptr[i]);
|
||||
}
|
||||
|
||||
if (kvb->ptr) free(kvb->ptr);
|
||||
|
||||
free(kvb);
|
||||
}
|
||||
|
||||
|
||||
INIT_FUNC(mod_rewrite_init) {
|
||||
plugin_data *p;
|
||||
|
||||
p = calloc(1, sizeof(*p));
|
||||
|
||||
p->match_buf = buffer_init();
|
||||
|
||||
return p;
|
||||
return calloc(1, sizeof(plugin_data));
|
||||
}
|
||||
|
||||
FREE_FUNC(mod_rewrite_free) {
|
||||
plugin_data *p = p_d;
|
||||
|
||||
UNUSED(srv);
|
||||
|
||||
if (!p) return HANDLER_GO_ON;
|
||||
|
||||
buffer_free(p->match_buf);
|
||||
if (p->config_storage) {
|
||||
size_t i;
|
||||
for (i = 0; i < srv->config_context->used; i++) {
|
||||
plugin_config *s = p->config_storage[i];
|
||||
|
||||
if (NULL == s) continue;
|
||||
|
||||
rewrite_rule_buffer_free(s->rewrite);
|
||||
rewrite_rule_buffer_free(s->rewrite_NF);
|
||||
|
||||
pcre_keyvalue_buffer_free(s->rewrite);
|
||||
pcre_keyvalue_buffer_free(s->rewrite_NF);
|
||||
free(s);
|
||||
}
|
||||
free(p->config_storage);
|
||||
}
|
||||
|
||||
free(p);
|
||||
|
||||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
static int parse_config_entry(server *srv, array *ca, rewrite_rule_buffer *kvb, const char *option, size_t olen, int once) {
|
||||
static int parse_config_entry(server *srv, array *ca, pcre_keyvalue_buffer *kvb, const char *option, size_t olen) {
|
||||
data_unset *du;
|
||||
|
||||
if (NULL != (du = array_get_element_klen(ca, option, olen))) {
|
||||
|
@ -183,12 +83,10 @@ static int parse_config_entry(server *srv, array *ca, rewrite_rule_buffer *kvb,
|
|||
}
|
||||
|
||||
for (j = 0; j < da->value->used; j++) {
|
||||
if (0 != rewrite_rule_buffer_append(kvb,
|
||||
((data_string *)(da->value->data[j]))->key,
|
||||
((data_string *)(da->value->data[j]))->value,
|
||||
once)) {
|
||||
data_string *ds = (data_string *)da->value->data[j];
|
||||
if (0 != pcre_keyvalue_buffer_append(srv, kvb, ds->key, ds->value)) {
|
||||
log_error_write(srv, __FILE__, __LINE__, "sb",
|
||||
"pcre-compile failed for", da->value->data[j]->key);
|
||||
"pcre-compile failed for", ds->key);
|
||||
return HANDLER_ERROR;
|
||||
}
|
||||
}
|
||||
|
@ -196,18 +94,6 @@ static int parse_config_entry(server *srv, array *ca, rewrite_rule_buffer *kvb,
|
|||
|
||||
return 0;
|
||||
}
|
||||
#else
|
||||
static int parse_config_entry(server *srv, array *ca, const char *option, size_t olen) {
|
||||
static int logged_message = 0;
|
||||
if (logged_message) return 0;
|
||||
if (NULL != array_get_element_klen(ca, option, olen)) {
|
||||
logged_message = 1;
|
||||
log_error_write(srv, __FILE__, __LINE__, "s",
|
||||
"pcre support is missing, please install libpcre and the headers");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
SETDEFAULTS_FUNC(mod_rewrite_set_defaults) {
|
||||
size_t i = 0;
|
||||
|
@ -235,48 +121,39 @@ SETDEFAULTS_FUNC(mod_rewrite_set_defaults) {
|
|||
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
|
||||
};
|
||||
|
||||
#ifdef HAVE_PCRE_H
|
||||
plugin_data *p = p_d;
|
||||
|
||||
if (!p) return HANDLER_ERROR;
|
||||
|
||||
/* 0 */
|
||||
p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *));
|
||||
#else
|
||||
UNUSED(p_d);
|
||||
#endif
|
||||
|
||||
for (i = 0; i < srv->config_context->used; i++) {
|
||||
data_config const* config = (data_config const*)srv->config_context->data[i];
|
||||
#ifdef HAVE_PCRE_H
|
||||
plugin_config *s;
|
||||
|
||||
s = calloc(1, sizeof(plugin_config));
|
||||
s->rewrite = rewrite_rule_buffer_init();
|
||||
s->rewrite_NF = rewrite_rule_buffer_init();
|
||||
s->rewrite = pcre_keyvalue_buffer_init();
|
||||
s->rewrite_NF = pcre_keyvalue_buffer_init();
|
||||
p->config_storage[i] = s;
|
||||
#endif
|
||||
|
||||
if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) {
|
||||
return HANDLER_ERROR;
|
||||
}
|
||||
|
||||
#ifndef HAVE_PCRE_H
|
||||
# define parse_config_entry(srv, ca, x, option, y) parse_config_entry(srv, ca, option)
|
||||
#endif
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite-once"), 1);
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite-final"), 1);
|
||||
parse_config_entry(srv, config->value, s->rewrite_NF, CONST_STR_LEN("url.rewrite-if-not-file"), 1);
|
||||
parse_config_entry(srv, config->value, s->rewrite_NF, CONST_STR_LEN("url.rewrite-repeat-if-not-file"), 0);
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite"), 1);
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite-repeat"), 0);
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite-once"));
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite-final"));
|
||||
parse_config_entry(srv, config->value, s->rewrite_NF, CONST_STR_LEN("url.rewrite-if-not-file"));
|
||||
s->rewrite_NF_repeat_idx = (int)s->rewrite_NF->used;
|
||||
parse_config_entry(srv, config->value, s->rewrite_NF, CONST_STR_LEN("url.rewrite-repeat-if-not-file"));
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite"));
|
||||
s->rewrite_repeat_idx = (int)s->rewrite->used;
|
||||
parse_config_entry(srv, config->value, s->rewrite, CONST_STR_LEN("url.rewrite-repeat"));
|
||||
}
|
||||
|
||||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
#ifdef HAVE_PCRE_H
|
||||
|
||||
#define PATCH(x) \
|
||||
p->conf.x = s->x;
|
||||
static int mod_rewrite_patch_connection(server *srv, connection *con, plugin_data *p) {
|
||||
|
@ -287,6 +164,8 @@ static int mod_rewrite_patch_connection(server *srv, connection *con, plugin_dat
|
|||
PATCH(rewrite_NF);
|
||||
p->conf.context = NULL;
|
||||
p->conf.context_NF = NULL;
|
||||
PATCH(rewrite_repeat_idx);
|
||||
PATCH(rewrite_NF_repeat_idx);
|
||||
|
||||
/* skip the first, the global context */
|
||||
for (i = 1; i < srv->config_context->used; i++) {
|
||||
|
@ -303,21 +182,27 @@ static int mod_rewrite_patch_connection(server *srv, connection *con, plugin_dat
|
|||
if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite"))) {
|
||||
PATCH(rewrite);
|
||||
p->conf.context = dc;
|
||||
PATCH(rewrite_repeat_idx);
|
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-once"))) {
|
||||
PATCH(rewrite);
|
||||
p->conf.context = dc;
|
||||
PATCH(rewrite_repeat_idx);
|
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-repeat"))) {
|
||||
PATCH(rewrite);
|
||||
p->conf.context = dc;
|
||||
PATCH(rewrite_NF_repeat_idx);
|
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-if-not-file"))) {
|
||||
PATCH(rewrite_NF);
|
||||
p->conf.context_NF = dc;
|
||||
PATCH(rewrite_repeat_idx);
|
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-repeat-if-not-file"))) {
|
||||
PATCH(rewrite_NF);
|
||||
p->conf.context_NF = dc;
|
||||
PATCH(rewrite_NF_repeat_idx);
|
||||
} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.rewrite-final"))) {
|
||||
PATCH(rewrite);
|
||||
p->conf.context = dc;
|
||||
PATCH(rewrite_repeat_idx);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -338,10 +223,10 @@ URIHANDLER_FUNC(mod_rewrite_con_reset) {
|
|||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
static handler_t process_rewrite_rules(server *srv, connection *con, plugin_data *p, rewrite_rule_buffer *kvb) {
|
||||
size_t i;
|
||||
cond_cache_t *cache;
|
||||
static handler_t process_rewrite_rules(server *srv, connection *con, plugin_data *p, pcre_keyvalue_buffer *kvb, int repeat_idx) {
|
||||
handler_ctx *hctx;
|
||||
pcre_keyvalue_ctx ctx;
|
||||
handler_t rc;
|
||||
|
||||
if (con->plugin_ctx[p->id]) {
|
||||
hctx = con->plugin_ctx[p->id];
|
||||
|
@ -357,55 +242,26 @@ static handler_t process_rewrite_rules(server *srv, connection *con, plugin_data
|
|||
if (hctx->state == REWRITE_STATE_FINISHED) return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
cache = p->conf.context ? &con->cond_cache[p->conf.context->context_ndx] : NULL;
|
||||
buffer_copy_buffer(p->match_buf, con->request.uri);
|
||||
ctx.cache = p->conf.context ? &con->cond_cache[p->conf.context->context_ndx] : NULL;
|
||||
|
||||
for (i = 0; i < kvb->used; i++) {
|
||||
pcre *match;
|
||||
size_t pattern_len;
|
||||
int n;
|
||||
rewrite_rule *rule = kvb->ptr[i];
|
||||
# define N 10
|
||||
int ovec[N * 3];
|
||||
|
||||
match = rule->key;
|
||||
pattern_len = buffer_string_length(rule->value);
|
||||
|
||||
if ((n = pcre_exec(match, NULL, CONST_BUF_LEN(p->match_buf), 0, 0, ovec, 3 * N)) < 0) {
|
||||
if (n != PCRE_ERROR_NOMATCH) {
|
||||
log_error_write(srv, __FILE__, __LINE__, "sd",
|
||||
"execution error while matching: ", n);
|
||||
return HANDLER_ERROR;
|
||||
}
|
||||
} else if (0 == pattern_len) {
|
||||
/* short-circuit if blank replacement pattern
|
||||
* (do not attempt to match against remaining rewrite rules) */
|
||||
return HANDLER_GO_ON;
|
||||
rc = pcre_keyvalue_buffer_process(kvb, &ctx, con->request.uri, srv->tmp_buf);
|
||||
if (HANDLER_FINISHED == rc) {
|
||||
buffer_copy_buffer(con->request.uri, srv->tmp_buf);
|
||||
if (con->plugin_ctx[p->id] == NULL) {
|
||||
hctx = handler_ctx_init();
|
||||
con->plugin_ctx[p->id] = hctx;
|
||||
} else {
|
||||
const char **list;
|
||||
|
||||
/* it matched */
|
||||
pcre_get_substring_list(p->match_buf->ptr, ovec, n, &list);
|
||||
|
||||
pcre_keyvalue_buffer_subst(con->request.uri, rule->value, list, n, cache);
|
||||
|
||||
pcre_free(list);
|
||||
|
||||
if (con->plugin_ctx[p->id] == NULL) {
|
||||
hctx = handler_ctx_init();
|
||||
con->plugin_ctx[p->id] = hctx;
|
||||
} else {
|
||||
hctx = con->plugin_ctx[p->id];
|
||||
}
|
||||
|
||||
if (rule->once) hctx->state = REWRITE_STATE_FINISHED;
|
||||
|
||||
return HANDLER_COMEBACK;
|
||||
hctx = con->plugin_ctx[p->id];
|
||||
}
|
||||
#undef N
|
||||
if (ctx.m < repeat_idx) hctx->state = REWRITE_STATE_FINISHED;
|
||||
rc = HANDLER_COMEBACK;
|
||||
}
|
||||
|
||||
return HANDLER_GO_ON;
|
||||
else if (HANDLER_ERROR == rc) {
|
||||
log_error_write(srv, __FILE__, __LINE__, "sb",
|
||||
"pcre_exec() error while processing uri:",
|
||||
con->request.uri);
|
||||
}
|
||||
return rc;
|
||||
}
|
||||
|
||||
URIHANDLER_FUNC(mod_rewrite_physical) {
|
||||
|
@ -426,7 +282,7 @@ URIHANDLER_FUNC(mod_rewrite_physical) {
|
|||
if (S_ISREG(sce->st.st_mode)) return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
switch(r = process_rewrite_rules(srv, con, p, p->conf.rewrite_NF)) {
|
||||
switch(r = process_rewrite_rules(srv, con, p, p->conf.rewrite_NF, p->conf.rewrite_NF_repeat_idx)) {
|
||||
case HANDLER_COMEBACK:
|
||||
buffer_reset(con->physical.path);
|
||||
/* fall through */
|
||||
|
@ -444,16 +300,14 @@ URIHANDLER_FUNC(mod_rewrite_uri_handler) {
|
|||
|
||||
if (!p->conf.rewrite) return HANDLER_GO_ON;
|
||||
|
||||
return process_rewrite_rules(srv, con, p, p->conf.rewrite);
|
||||
return process_rewrite_rules(srv, con, p, p->conf.rewrite, p->conf.rewrite_repeat_idx);
|
||||
}
|
||||
#endif
|
||||
|
||||
int mod_rewrite_plugin_init(plugin *p);
|
||||
int mod_rewrite_plugin_init(plugin *p) {
|
||||
p->version = LIGHTTPD_VERSION_ID;
|
||||
p->name = buffer_init_string("rewrite");
|
||||
|
||||
#ifdef HAVE_PCRE_H
|
||||
p->init = mod_rewrite_init;
|
||||
/* it has to stay _raw as we are matching on uri + querystring
|
||||
*/
|
||||
|
@ -462,7 +316,6 @@ int mod_rewrite_plugin_init(plugin *p) {
|
|||
p->handle_physical = mod_rewrite_physical;
|
||||
p->cleanup = mod_rewrite_free;
|
||||
p->connection_reset = mod_rewrite_con_reset;
|
||||
#endif
|
||||
p->set_defaults = mod_rewrite_set_defaults;
|
||||
|
||||
p->data = NULL;
|
||||
|
|
Loading…
Reference in New Issue