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[PATCH] autoindex_ignore directive

September 02, 2010 12:30AM
Hello,

This patch adds support for ignoring files in the auto index. Its modeled somewhat
after Apache's IndexIgnore

http://httpd.apache.org/docs/2.0/mod/mod_autoindex.html#indexignore

and its implementation is based off of gzip_disable. Here is a sample config.

| autoindex on;
|
| location /ubuntu/ {
| autoindex_ignore (db|conf); # with pcre
| autoindex_ignore db conf; # without pcre
| }

Its supported with or without the pcre library. Without pcre it just does a simple string
compare. Either way it can take multiple arguments. It is meant to be used with the existing
acl framework so a more complete config would look something like this

| autoindex on;
| location /ubuntu/ {
| autoindex_ignore (db|conf);
| }
| location ~ /ubuntu/(db|conf)/ {
| deny all;
| }

Questions and comments are welcome.

Regards,
Derrick

----
diff --git a/src/http/modules/ngx_http_autoindex_module.c b/src/http/modules/ngx_http_autoindex_module.
c
index b679318..0792aba 100644
--- a/src/http/modules/ngx_http_autoindex_module.c
+++ b/src/http/modules/ngx_http_autoindex_module.c
@@ -39,6 +39,7 @@ typedef struct {
ngx_flag_t enable;
ngx_flag_t localtime;
ngx_flag_t exact_size;
+ ngx_array_t *ignore;
} ngx_http_autoindex_loc_conf_t;


@@ -55,7 +56,8 @@ static ngx_int_t ngx_http_autoindex_init(ngx_conf_t *cf);
static void *ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf);
static char *ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child);
-
+static char *ngx_http_autoindex_ignore(ngx_conf_t *cf,
+ ngx_command_t *cmd, void *conf);

static ngx_command_t ngx_http_autoindex_commands[] = {

@@ -80,6 +82,13 @@ static ngx_command_t ngx_http_autoindex_commands[] = {
offsetof(ngx_http_autoindex_loc_conf_t, exact_size),
NULL },

+ { ngx_string("autoindex_ignore"),
+ NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
+ ngx_http_autoindex_ignore,
+ NGX_HTTP_LOC_CONF_OFFSET,
+ 0,
+ NULL },
+
ngx_null_command
};

@@ -132,6 +141,80 @@ static u_char tail[] =
"</html>" CRLF
;
+static char *
+ngx_http_autoindex_ignore(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
+{
+ ngx_http_autoindex_loc_conf_t *alcf = conf;
+ ngx_str_t *value;
+
+#if (NGX_PCRE)
+ ngx_uint_t i;
+ ngx_regex_elt_t *re;
+ ngx_regex_compile_t rc;
+ u_char errstr[NGX_MAX_CONF_ERRSTR];
+
+ if (alcf->ignore == NGX_CONF_UNSET_PTR) {
+ alcf->ignore = ngx_array_create(cf->pool, 2, sizeof(ngx_regex_elt_t));
+ if (alcf->ignore == NULL) {
+ return NGX_CONF_ERROR;
+ }
+ }
+
+ value = cf->args->elts;
+
+ ngx_memzero(&rc, sizeof(ngx_regex_compile_t));
+
+ rc.pool = cf->pool;
+ rc.err.len = NGX_MAX_CONF_ERRSTR;
+ rc.err.data = errstr;
+
+ for (i = 1; i < cf->args->nelts; i++) {
+ re = ngx_array_push(alcf->ignore);
+ if (re == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ rc.pattern = value[i];
+ rc.options = NGX_REGEX_CASELESS;
+
+ if (ngx_regex_compile(&rc) != NGX_OK) {
+ ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V", &rc.err);
+ return NGX_CONF_ERROR;
+ }
+
+ re->regex = rc.regex;
+ re->name = value[i].data;
+ }
+
+ return NGX_CONF_OK;
+
+#else
+ ngx_uint_t i;
+ ngx_str_t *str;
+
+ if (alcf->ignore == NGX_CONF_UNSET_PTR) {
+ alcf->ignore = ngx_array_create(cf->pool, 2, sizeof(ngx_str_t));
+ if (alcf->ignore == NULL) {
+ return NGX_CONF_ERROR;
+ }
+ }
+
+ value = cf->args->elts;
+
+ for (i = 1; i < cf->args->nelts; i++) {
+ str = ngx_array_push(alcf->ignore);
+ if (str == NULL) {
+ return NGX_CONF_ERROR;
+ }
+
+ str->data = value[i].data;
+ str->len = value[i].len;
+ }
+
+ return NGX_CONF_OK;
+#endif
+}
+

static ngx_int_t
ngx_http_autoindex_handler(ngx_http_request_t *r)
@@ -281,6 +364,40 @@ ngx_http_autoindex_handler(ngx_http_request_t *r)
continue;
}


+#if (NGX_PCRE)
+
+ {
+ ngx_str_t str;
+ str.data = ngx_de_name(&dir);
+ str.len = len;
+
+ if (alcf->ignore && ngx_regex_exec_array(alcf->ignore,
+ &str,
+ r->connection->log)
+ != NGX_DECLINED)
+ {
+ continue;
+ }
+ }
+#else
+ {
+ u_int found_match = 0;
+ ngx_str_t *s;
+ if (alcf->ignore) {
+ s = alcf->ignore->elts;
+ for (i = 0; i < alcf->ignore->nelts; i++) {
+ if (ngx_strcmp(ngx_de_name(&dir), s[i].data) == 0) {
+ found_match = 1;
+ break;
+ }
+ }
+ if (found_match) {
+ continue;
+ }
+ }
+ }
+#endif
+
if (!dir.valid_info) {

/* 1 byte for '/' and 1 byte for terminating '\0' */
@@ -633,6 +750,7 @@ ngx_http_autoindex_create_loc_conf(ngx_conf_t *cf)
conf->enable = NGX_CONF_UNSET;
conf->localtime = NGX_CONF_UNSET;
conf->exact_size = NGX_CONF_UNSET;
+ conf->ignore = NGX_CONF_UNSET_PTR;

return conf;
}
@@ -647,6 +765,7 @@ ngx_http_autoindex_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_value(conf->enable, prev->enable, 0);
ngx_conf_merge_value(conf->localtime, prev->localtime, 0);
ngx_conf_merge_value(conf->exact_size, prev->exact_size, 1);
+ ngx_conf_merge_ptr_value(conf->ignore, prev->ignore, NULL);

return NGX_CONF_OK;
}


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Subject Author Views Posted

[PATCH] autoindex_ignore directive

derrick 2510 September 02, 2010 12:30AM

Re: [PATCH] autoindex_ignore directive

Adrian Perez 672 September 09, 2010 11:56AM

Re: [PATCH] autoindex_ignore directive

derrick 1033 September 09, 2010 03:26PM



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