embedaddon/lighttpd/src/mod_access.c - diff

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Diff for /embedaddon/lighttpd/src/mod_access.c between versions 1.1 and 1.1.1.3

version 1.1, 2013/10/14 10:32:48	version 1.1.1.3, 2016/11/02 10:35:00
Line 1	Line 1
	#include "first.h"

#include "base.h"	#include "base.h"
#include "log.h"	#include "log.h"
#include "buffer.h"	#include "buffer.h"
Line 9	Line 11
#include <string.h>	#include <string.h>

typedef struct {	typedef struct {
	array *access_allow;
array *access_deny;	array *access_deny;
} plugin_config;	} plugin_config;

Line 40 FREE_FUNC(mod_access_free) {	Line 43 FREE_FUNC(mod_access_free) {
for (i = 0; i < srv->config_context->used; i++) {	for (i = 0; i < srv->config_context->used; i++) {
plugin_config *s = p->config_storage[i];	plugin_config *s = p->config_storage[i];

	if (NULL == s) continue;

	array_free(s->access_allow);
array_free(s->access_deny);	array_free(s->access_deny);

free(s);	free(s);
Line 58 SETDEFAULTS_FUNC(mod_access_set_defaults) {	Line 64 SETDEFAULTS_FUNC(mod_access_set_defaults) {

config_values_t cv[] = {	config_values_t cv[] = {
{ "url.access-deny", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION },	{ "url.access-deny", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION },
	{ "url.access-allow", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION },
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }	{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
};	};

p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));	p->config_storage = calloc(1, srv->config_context->used * sizeof(plugin_config *));

for (i = 0; i < srv->config_context->used; i++) {	for (i = 0; i < srv->config_context->used; i++) {
	data_config const* config = (data_config const*)srv->config_context->data[i];
plugin_config *s;	plugin_config *s;

s = calloc(1, sizeof(plugin_config));	s = calloc(1, sizeof(plugin_config));
s->access_deny = array_init();	s->access_deny = array_init();
	s->access_allow = array_init();

cv[0].destination = s->access_deny;	cv[0].destination = s->access_deny;
	cv[1].destination = s->access_allow;

p->config_storage[i] = s;	p->config_storage[i] = s;

if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) {	if (0 != config_insert_values_global(srv, config->value, cv, i == 0 ? T_CONFIG_SCOPE_SERVER : T_CONFIG_SCOPE_CONNECTION)) {
return HANDLER_ERROR;	return HANDLER_ERROR;
}	}
}	}
Line 87 static int mod_access_patch_connection(server *srv, co	Line 97 static int mod_access_patch_connection(server *srv, co
size_t i, j;	size_t i, j;
plugin_config *s = p->config_storage[0];	plugin_config *s = p->config_storage[0];

	PATCH(access_allow);
PATCH(access_deny);	PATCH(access_deny);

/* skip the first, the global context */	/* skip the first, the global context */
Line 103 static int mod_access_patch_connection(server *srv, co	Line 114 static int mod_access_patch_connection(server *srv, co

if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.access-deny"))) {	if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.access-deny"))) {
PATCH(access_deny);	PATCH(access_deny);
	} else if (buffer_is_equal_string(du->key, CONST_STR_LEN("url.access-allow"))) {
	PATCH(access_allow);
}	}
}	}
}	}
Line 125 URIHANDLER_FUNC(mod_access_uri_handler) {	Line 138 URIHANDLER_FUNC(mod_access_uri_handler) {
int s_len;	int s_len;
size_t k;	size_t k;

if (con->uri.path->used == 0) return HANDLER_GO_ON;	if (buffer_is_empty(con->uri.path)) return HANDLER_GO_ON;

mod_access_patch_connection(srv, con, p);	mod_access_patch_connection(srv, con, p);

s_len = con->uri.path->used - 1;	s_len = buffer_string_length(con->uri.path);

if (con->conf.log_request_handling) {	if (con->conf.log_request_handling) {
log_error_write(srv, __FILE__, __LINE__, "s",	log_error_write(srv, __FILE__, __LINE__, "s",
"-- mod_access_uri_handler called");	"-- mod_access_uri_handler called");
}	}

	for (k = 0; k < p->conf.access_allow->used; ++k) {
	data_string ds = (data_string )p->conf.access_allow->data[k];
	int ct_len = buffer_string_length(ds->value);
	int allowed = 0;

	if (ct_len > s_len) continue;
	if (buffer_is_empty(ds->value)) continue;

	/* if we have a case-insensitive FS we have to lower-case the URI here too */

	if (con->conf.force_lowercase_filenames) {
	if (0 == strncasecmp(con->uri.path->ptr + s_len - ct_len, ds->value->ptr, ct_len)) {
	allowed = 1;
	}
	} else {
	if (0 == strncmp(con->uri.path->ptr + s_len - ct_len, ds->value->ptr, ct_len)) {
	allowed = 1;
	}
	}

	if (allowed) {
	return HANDLER_GO_ON;
	}
	}

	if (k > 0) { /* have access_allow but none matched */
	con->http_status = 403;
	con->mode = DIRECT;

	if (con->conf.log_request_handling) {
	log_error_write(srv, __FILE__, __LINE__, "sb",
	"url denied as failed to match any from access_allow", con->uri.path);
	}

	return HANDLER_FINISHED;
	}

for (k = 0; k < p->conf.access_deny->used; k++) {	for (k = 0; k < p->conf.access_deny->used; k++) {
data_string ds = (data_string )p->conf.access_deny->data[k];	data_string ds = (data_string )p->conf.access_deny->data[k];
int ct_len = ds->value->used - 1;	int ct_len = buffer_string_length(ds->value);
int denied = 0;	int denied = 0;


if (ct_len > s_len) continue;	if (ct_len > s_len) continue;
if (ds->value->used == 0) continue;	if (buffer_is_empty(ds->value)) continue;

/* if we have a case-insensitive FS we have to lower-case the URI here too */	/* if we have a case-insensitive FS we have to lower-case the URI here too */

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Removed from v.1.1
changed lines
	Added in v.1.1.1.3