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author | Jan Kneschke <jan@kneschke.de> | 2005-02-20 14:27:00 +0000 |
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committer | Jan Kneschke <jan@kneschke.de> | 2005-02-20 14:27:00 +0000 |
commit | bcdc6a3bbcde8e66da41aa2311642e53f4fc7c9b (patch) | |
tree | a0536d23ba17a40c236fc3cd2a4a133110ae7501 /src/mod_skeleton.c | |
download | lighttpd-git-bcdc6a3bbcde8e66da41aa2311642e53f4fc7c9b.tar.gz |
moved everything below trunk/ and added branches/ and tags/
git-svn-id: svn://svn.lighttpd.net/lighttpd/trunk@30 152afb58-edef-0310-8abb-c4023f1b3aa9
Diffstat (limited to 'src/mod_skeleton.c')
-rw-r--r-- | src/mod_skeleton.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/mod_skeleton.c b/src/mod_skeleton.c new file mode 100644 index 00000000..b5dab829 --- /dev/null +++ b/src/mod_skeleton.c @@ -0,0 +1,220 @@ +#include <ctype.h> +#include <stdlib.h> +#include <string.h> + +#include "base.h" +#include "log.h" +#include "buffer.h" + +#include "plugin.h" + +#include "config.h" + +/** + * this is a skeleton for a lighttpd plugin + * + * just replaces every occurance of 'skeleton' by your plugin name + * + * e.g. in vim: + * + * :%s/skeleton/myhandler/ + * + */ + + + +/* plugin config for all request/connections */ + +typedef struct { + array *match; +} plugin_config; + +typedef struct { + PLUGIN_DATA; + + buffer *match_buf; + + plugin_config **config_storage; + + plugin_config conf; +} plugin_data; + +typedef struct { + size_t foo; +} handler_ctx; + +static handler_ctx * handler_ctx_init() { + handler_ctx * hctx; + + hctx = calloc(1, sizeof(*hctx)); + + return hctx; +} + +static void handler_ctx_free(handler_ctx *hctx) { + + free(hctx); +} + +/* init the plugin data */ +INIT_FUNC(mod_skeleton_init) { + plugin_data *p; + + p = calloc(1, sizeof(*p)); + + p->match_buf = buffer_init(); + + return p; +} + +/* detroy the plugin data */ +FREE_FUNC(mod_skeleton_free) { + plugin_data *p = p_d; + + UNUSED(srv); + + if (!p) return HANDLER_GO_ON; + + if (p->config_storage) { + size_t i; + for (i = 0; i < srv->config_context->used; i++) { + plugin_config *s = p->config_storage[i]; + + array_free(s->match); + + free(s); + } + free(p->config_storage); + } + + buffer_free(p->match_buf); + + free(p); + + return HANDLER_GO_ON; +} + +/* handle plugin config and check values */ + +SETDEFAULTS_FUNC(mod_skeleton_set_defaults) { + plugin_data *p = p_d; + size_t i = 0; + + config_values_t cv[] = { + { "skeleton.array", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 0 */ + { NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET } + }; + + if (!p) return HANDLER_ERROR; + + p->config_storage = malloc(srv->config_context->used * sizeof(specific_config *)); + + for (i = 0; i < srv->config_context->used; i++) { + plugin_config *s; + + s = malloc(sizeof(plugin_config)); + s->match = array_init(); + + cv[0].destination = s->match; + + p->config_storage[i] = s; + + if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) { + return HANDLER_ERROR; + } + } + + return HANDLER_GO_ON; +} + +#define PATCH(x) \ + p->conf.x = s->x; +static int mod_skeleton_patch_connection(server *srv, connection *con, plugin_data *p, const char *stage, size_t stage_len) { + size_t i, j; + + /* skip the first, the global context */ + for (i = 1; i < srv->config_context->used; i++) { + data_config *dc = (data_config *)srv->config_context->data[i]; + plugin_config *s = p->config_storage[i]; + + /* not our stage */ + if (!buffer_is_equal_string(dc->comp_key, stage, stage_len)) continue; + + /* condition didn't match */ + if (!config_check_cond(srv, con, dc)) continue; + + /* merge config */ + for (j = 0; j < dc->value->used; j++) { + data_unset *du = dc->value->data[j]; + + if (buffer_is_equal_string(du->key, CONST_STR_LEN("skeleton.array"))) { + PATCH(match); + } + } + } + + return 0; +} + +static int mod_skeleton_setup_connection(server *srv, connection *con, plugin_data *p) { + plugin_config *s = p->config_storage[0]; + UNUSED(srv); + UNUSED(con); + + PATCH(match); + + return 0; +} +#undef PATCH + +URIHANDLER_FUNC(mod_skeleton_uri_handler) { + plugin_data *p = p_d; + int s_len; + size_t k, i; + + UNUSED(srv); + + if (con->uri.path->used == 0) return HANDLER_GO_ON; + + mod_skeleton_setup_connection(srv, con, p); + for (i = 0; i < srv->config_patches->used; i++) { + buffer *patch = srv->config_patches->ptr[i]; + + mod_skeleton_patch_connection(srv, con, p, CONST_BUF_LEN(patch)); + } + + s_len = con->uri.path->used - 1; + + for (k = 0; k < p->conf.match->used; k++) { + data_string *ds = (data_string *)p->conf.match->data[k]; + int ct_len = ds->value->used - 1; + + if (ct_len > s_len) continue; + if (ds->value->used == 0) continue; + + if (0 == strncmp(con->uri.path->ptr + s_len - ct_len, ds->value->ptr, ct_len)) { + con->http_status = 403; + + return HANDLER_FINISHED; + } + } + + /* not found */ + return HANDLER_GO_ON; +} + +/* this function is called at dlopen() time and inits the callbacks */ + +int mod_skeleton_plugin_init(plugin *p) { + p->version = LIGHTTPD_VERSION_ID; + p->name = buffer_init_string("skeleton"); + + p->init = mod_skeleton_init; + p->handle_uri_clean = mod_skeleton_uri_handler; + p->set_defaults = mod_skeleton_set_defaults; + p->cleanup = mod_skeleton_free; + + p->data = NULL; + + return 0; +} |