flm01/openwrt/package/luci/libs/sgi-webuci/boa-patches/200-plugin_api.patch

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Index: boa-0.94.13/src/list.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ boa-0.94.13/src/list.h 2008-06-29 01:12:36.000000000 +0200
@@ -0,0 +1,601 @@
+#ifndef _LINUX_LIST_H
+#define _LINUX_LIST_H
+
+#include <stddef.h>
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#ifndef container_of
+#define container_of(ptr, type, member) ( \
+ (type *)( (char *)ptr - offsetof(type,member) ))
+#endif
+
+
+/*
+ * Simple doubly linked list implementation.
+ *
+ * Some of the internal functions ("__xxx") are useful when
+ * manipulating whole lists rather than single entries, as
+ * sometimes we already know the next/prev entries and we can
+ * generate better code by using them directly rather than
+ * using the generic single-entry routines.
+ */
+
+struct list_head {
+ struct list_head *next, *prev;
+};
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+ struct list_head name = LIST_HEAD_INIT(name)
+
+static inline void INIT_LIST_HEAD(struct list_head *list)
+{
+ list->next = list;
+ list->prev = list;
+}
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *new,
+ struct list_head *prev,
+ struct list_head *next)
+{
+ next->prev = new;
+ new->next = next;
+ new->prev = prev;
+ prev->next = new;
+}
+
+/**
+ * list_add - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it after
+ *
+ * Insert a new entry after the specified head.
+ * This is good for implementing stacks.
+ */
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+ __list_add(new, head, head->next);
+}
+
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *new, struct list_head *head)
+{
+ __list_add(new, head->prev, head);
+}
+
+
+/*
+ * Delete a list entry by making the prev/next entries
+ * point to each other.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_del(struct list_head * prev, struct list_head * next)
+{
+ next->prev = prev;
+ prev->next = next;
+}
+
+/**
+ * list_del - deletes entry from list.
+ * @entry: the element to delete from the list.
+ * Note: list_empty() on entry does not return true after this, the entry is
+ * in an undefined state.
+ */
+static inline void list_del(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+ entry->next = NULL;
+ entry->prev = NULL;
+}
+
+/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace(struct list_head *old,
+ struct list_head *new)
+{
+ new->next = old->next;
+ new->next->prev = new;
+ new->prev = old->prev;
+ new->prev->next = new;
+}
+
+static inline void list_replace_init(struct list_head *old,
+ struct list_head *new)
+{
+ list_replace(old, new);
+ INIT_LIST_HEAD(old);
+}
+
+/**
+ * list_del_init - deletes entry from list and reinitialize it.
+ * @entry: the element to delete from the list.
+ */
+static inline void list_del_init(struct list_head *entry)
+{
+ __list_del(entry->prev, entry->next);
+ INIT_LIST_HEAD(entry);
+}
+
+/**
+ * list_move - delete from one list and add as another's head
+ * @list: the entry to move
+ * @head: the head that will precede our entry
+ */
+static inline void list_move(struct list_head *list, struct list_head *head)
+{
+ __list_del(list->prev, list->next);
+ list_add(list, head);
+}
+
+/**
+ * list_move_tail - delete from one list and add as another's tail
+ * @list: the entry to move
+ * @head: the head that will follow our entry
+ */
+static inline void list_move_tail(struct list_head *list,
+ struct list_head *head)
+{
+ __list_del(list->prev, list->next);
+ list_add_tail(list, head);
+}
+
+/**
+ * list_is_last - tests whether @list is the last entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_last(const struct list_head *list,
+ const struct list_head *head)
+{
+ return list->next == head;
+}
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+ return head->next == head;
+}
+
+/**
+ * list_empty_careful - tests whether a list is empty and not being modified
+ * @head: the list to test
+ *
+ * Description:
+ * tests whether a list is empty _and_ checks that no other CPU might be
+ * in the process of modifying either member (next or prev)
+ *
+ * NOTE: using list_empty_careful() without synchronization
+ * can only be safe if the only activity that can happen
+ * to the list entry is list_del_init(). Eg. it cannot be used
+ * if another CPU could re-list_add() it.
+ */
+static inline int list_empty_careful(const struct list_head *head)
+{
+ struct list_head *next = head->next;
+ return (next == head) && (next == head->prev);
+}
+
+static inline void __list_splice(struct list_head *list,
+ struct list_head *head)
+{
+ struct list_head *first = list->next;
+ struct list_head *last = list->prev;
+ struct list_head *at = head->next;
+
+ first->prev = head;
+ head->next = first;
+
+ last->next = at;
+ at->prev = last;
+}
+
+/**
+ * list_splice - join two lists
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ */
+static inline void list_splice(struct list_head *list, struct list_head *head)
+{
+ if (!list_empty(list))
+ __list_splice(list, head);
+}
+
+/**
+ * list_splice_init - join two lists and reinitialise the emptied list.
+ * @list: the new list to add.
+ * @head: the place to add it in the first list.
+ *
+ * The list at @list is reinitialised
+ */
+static inline void list_splice_init(struct list_head *list,
+ struct list_head *head)
+{
+ if (!list_empty(list)) {
+ __list_splice(list, head);
+ INIT_LIST_HEAD(list);
+ }
+}
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+/**
+ * list_first_entry - get the first element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Note, that list is expected to be not empty.
+ */
+#define list_first_entry(ptr, type, member) \
+ list_entry((ptr)->next, type, member)
+
+/**
+ * list_for_each - iterate over a list
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @head: the head for your list.
+ */
+#define list_for_each(pos, head) \
+ for (pos = (head)->next; pos != (head); \
+ pos = pos->next)
+
+/**
+ * __list_for_each - iterate over a list
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @head: the head for your list.
+ *
+ * This variant differs from list_for_each() in that it's the
+ * simplest possible list iteration code, no prefetching is done.
+ * Use this for code that knows the list to be very short (empty
+ * or 1 entry) most of the time.
+ */
+#define __list_for_each(pos, head) \
+ for (pos = (head)->next; pos != (head); pos = pos->next)
+
+/**
+ * list_for_each_prev - iterate over a list backwards
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @head: the head for your list.
+ */
+#define list_for_each_prev(pos, head) \
+ for (pos = (head)->prev; pos != (head); \
+ pos = pos->prev)
+
+/**
+ * list_for_each_safe - iterate over a list safe against removal of list entry
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @n: another &struct list_head to use as temporary storage
+ * @head: the head for your list.
+ */
+#define list_for_each_safe(pos, n, head) \
+ for (pos = (head)->next, n = pos->next; pos != (head); \
+ pos = n, n = pos->next)
+
+/**
+ * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry
+ * @pos: the &struct list_head to use as a loop cursor.
+ * @n: another &struct list_head to use as temporary storage
+ * @head: the head for your list.
+ */
+#define list_for_each_prev_safe(pos, n, head) \
+ for (pos = (head)->prev, n = pos->prev; \
+ pos != (head); \
+ pos = n, n = pos->prev)
+
+/**
+ * list_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_reverse - iterate backwards over list of given type.
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_reverse(pos, head, member) \
+ for (pos = list_entry((head)->prev, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_prepare_entry - prepare a pos entry for use in list_for_each_entry_continue()
+ * @pos: the type * to use as a start point
+ * @head: the head of the list
+ * @member: the name of the list_struct within the struct.
+ *
+ * Prepares a pos entry for use as a start point in list_for_each_entry_continue().
+ */
+#define list_prepare_entry(pos, head, member) \
+ ((pos) ? : list_entry(head, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue - continue iteration over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Continue to iterate over list of given type, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue(pos, head, member) \
+ for (pos = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_continue_reverse - iterate backwards from the given point
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Start to iterate over list of given type backwards, continuing after
+ * the current position.
+ */
+#define list_for_each_entry_continue_reverse(pos, head, member) \
+ for (pos = list_entry(pos->member.prev, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.prev, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_from - iterate over list of given type from the current point
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing from current position.
+ */
+#define list_for_each_entry_from(pos, head, member) \
+ for (; &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry_safe(pos, n, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member), \
+ n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_continue
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type, continuing after current point,
+ * safe against removal of list entry.
+ */
+#define list_for_each_entry_safe_continue(pos, n, head, member) \
+ for (pos = list_entry(pos->member.next, typeof(*pos), member), \
+ n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_from
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate over list of given type from current point, safe against
+ * removal of list entry.
+ */
+#define list_for_each_entry_safe_from(pos, n, head, member) \
+ for (n = list_entry(pos->member.next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.next, typeof(*n), member))
+
+/**
+ * list_for_each_entry_safe_reverse
+ * @pos: the type * to use as a loop cursor.
+ * @n: another type * to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Iterate backwards over list of given type, safe against removal
+ * of list entry.
+ */
+#define list_for_each_entry_safe_reverse(pos, n, head, member) \
+ for (pos = list_entry((head)->prev, typeof(*pos), member), \
+ n = list_entry(pos->member.prev, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+
+/*
+ * Double linked lists with a single pointer list head.
+ * Mostly useful for hash tables where the two pointer list head is
+ * too wasteful.
+ * You lose the ability to access the tail in O(1).
+ */
+
+struct hlist_head {
+ struct hlist_node *first;
+};
+
+struct hlist_node {
+ struct hlist_node *next, **pprev;
+};
+
+#define HLIST_HEAD_INIT { .first = NULL }
+#define HLIST_HEAD(name) struct hlist_head name = { .first = NULL }
+#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
+static inline void INIT_HLIST_NODE(struct hlist_node *h)
+{
+ h->next = NULL;
+ h->pprev = NULL;
+}
+
+static inline int hlist_unhashed(const struct hlist_node *h)
+{
+ return !h->pprev;
+}
+
+static inline int hlist_empty(const struct hlist_head *h)
+{
+ return !h->first;
+}
+
+static inline void __hlist_del(struct hlist_node *n)
+{
+ struct hlist_node *next = n->next;
+ struct hlist_node **pprev = n->pprev;
+ *pprev = next;
+ if (next)
+ next->pprev = pprev;
+}
+
+static inline void hlist_del(struct hlist_node *n)
+{
+ __hlist_del(n);
+ n->next = NULL;
+ n->pprev = NULL;
+}
+
+static inline void hlist_del_init(struct hlist_node *n)
+{
+ if (!hlist_unhashed(n)) {
+ __hlist_del(n);
+ INIT_HLIST_NODE(n);
+ }
+}
+
+
+static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
+{
+ struct hlist_node *first = h->first;
+ n->next = first;
+ if (first)
+ first->pprev = &n->next;
+ h->first = n;
+ n->pprev = &h->first;
+}
+
+
+/* next must be != NULL */
+static inline void hlist_add_before(struct hlist_node *n,
+ struct hlist_node *next)
+{
+ n->pprev = next->pprev;
+ n->next = next;
+ next->pprev = &n->next;
+ *(n->pprev) = n;
+}
+
+static inline void hlist_add_after(struct hlist_node *n,
+ struct hlist_node *next)
+{
+ next->next = n->next;
+ n->next = next;
+ next->pprev = &n->next;
+
+ if(next->next)
+ next->next->pprev = &next->next;
+}
+
+#define hlist_entry(ptr, type, member) container_of(ptr,type,member)
+
+#define hlist_for_each(pos, head) \
+ for (pos = (head)->first; pos; pos = pos->next)
+
+#define hlist_for_each_safe(pos, n, head) \
+ for (pos = (head)->first; pos; pos = n)
+
+/**
+ * hlist_for_each_entry - iterate over list of given type
+ * @tpos: the type * to use as a loop cursor.
+ * @pos: the &struct hlist_node to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry(tpos, pos, head, member) \
+ for (pos = (head)->first; pos && \
+ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+ pos = pos->next)
+
+/**
+ * hlist_for_each_entry_continue - iterate over a hlist continuing after current point
+ * @tpos: the type * to use as a loop cursor.
+ * @pos: the &struct hlist_node to use as a loop cursor.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_continue(tpos, pos, member) \
+ for (pos = (pos)->next; pos && \
+ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+ pos = pos->next)
+
+/**
+ * hlist_for_each_entry_from - iterate over a hlist continuing from current point
+ * @tpos: the type * to use as a loop cursor.
+ * @pos: the &struct hlist_node to use as a loop cursor.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_from(tpos, pos, member) \
+ for (; pos && \
+ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+ pos = pos->next)
+
+/**
+ * hlist_for_each_entry_safe - iterate over list of given type safe against removal of list entry
+ * @tpos: the type * to use as a loop cursor.
+ * @pos: the &struct hlist_node to use as a loop cursor.
+ * @n: another &struct hlist_node to use as temporary storage
+ * @head: the head for your list.
+ * @member: the name of the hlist_node within the struct.
+ */
+#define hlist_for_each_entry_safe(tpos, pos, n, head, member) \
+ for (pos = (head)->first; \
+ pos && ({ n = pos->next; 1; }) && \
+ ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
+ pos = n)
+
+#endif
Index: boa-0.94.13/src/plugin.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ boa-0.94.13/src/plugin.c 2008-06-29 02:02:42.000000000 +0200
@@ -0,0 +1,191 @@
+/*
+ * Simple plugin API for boa
+ * Copyright (C) 2008 John Crispin <blogic@openwrt.org>
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "boa.h"
+#include "list.h"
+#include <dlfcn.h>
+#include <glob.h>
+
+static LIST_HEAD(plugins);
+
+struct httpd_plugin *plugin_lookup(request *req)
+{
+ struct list_head *l;
+ list_for_each(l, &plugins)
+ {
+ struct httpd_plugin *p =
+ container_of(l, struct httpd_plugin, list);
+
+ if (!strncmp(req->request_uri, p->prefix, strlen(p->prefix)))
+ return p;
+ }
+ return NULL;
+}
+
+static int plugin_run(request *req, struct httpd_plugin *p)
+{
+ struct http_context ctx;
+ int child_pid;
+
+ SQUASH_KA(req);
+
+ memset(&ctx, 0, sizeof(ctx));
+ ctx.uri = req->request_uri;
+ switch(req->method) {
+ case M_POST:
+ ctx.request_method = "POST";
+ break;
+ case M_HEAD:
+ ctx.request_method = "HEAD";
+ break;
+ case M_GET:
+ ctx.request_method = "GET";
+ break;
+ }
+ ctx.server_addr = req->local_ip_addr;
+ ctx.server_proto = req->http_version;
+ ctx.query_string = req->query_string;
+ ctx.remote_addr = req->remote_ip_addr;
+ ctx.remote_port = req->remote_port;
+ ctx.cookie = req->cookie;
+ if (req->method == M_POST) {
+ if (req->content_type)
+ ctx.content_type = req->content_type;
+ else
+ ctx.content_type = default_type;
+ ctx.content_length = req->content_length;
+ }
+#ifdef ACCEPT_ON
+ if (req->accept[0])
+ ctx.http_accept = req->accept;
+#endif
+
+ p->prepare_req(p, &ctx);
+ child_pid = fork();
+
+ switch(child_pid) {
+ case -1:
+ log_error_time();
+ perror("fork");
+ send_r_error(req);
+ return 0;
+
+ case 0:
+ if (dup2(req->fd, STDOUT_FILENO) == -1) {
+ log_error_time();
+ perror("dup2 - fd");
+ _exit(1);
+ }
+ if (set_block_fd(req->fd) == -1) {
+ log_error_time();
+ perror("cgi-fcntl");
+ _exit(1);
+ }
+ if (req->method == M_POST) {
+ dup2(req->read_data_fd, STDIN_FILENO);
+ close(req->read_data_fd);
+ close(req->post_data_fd);
+ set_block_fd(STDIN_FILENO);
+ }
+ close_access_log();
+
+ if (cgi_log_fd)
+ dup2(cgi_log_fd, STDERR_FILENO);
+
+ p->handle_req(p, &ctx);
+ exit(0);
+ break;
+ }
+
+ return 1;
+}
+
+int plugin_handle(request * req)
+{
+ struct httpd_plugin *p;
+
+ p = plugin_lookup(req);
+ if (!p)
+ return 0;
+
+ return plugin_run(req, p);
+}
+
+static void plugin_load(const char *p, const char *dir)
+{
+ struct httpd_plugin *plugin;
+ void *dl;
+
+ /* ignore directories */
+ if (p[strlen(p) - 1] == '/')
+ return;
+
+ dl = dlopen(p, RTLD_NOW | RTLD_GLOBAL);
+ if (!dl) {
+ fprintf(stderr, "Unable to load plugin '%s': %d\n", p, dlerror());
+ return;
+ }
+
+ plugin = dlsym(dl, "httpd_plugin");
+ if (!plugin)
+ goto error;
+
+ INIT_LIST_HEAD(&plugin->list);
+ plugin->dir = dir;
+
+ if (plugin->init(plugin) != 1)
+ goto error;
+
+ if (!plugin->prefix)
+ goto error_init;
+
+ list_add(&plugin->list, &plugins);
+ return;
+
+error_init:
+ plugin->done(plugin);
+error:
+ fprintf(stderr, "Plugin '%s' failed to initialize\n", p);
+ dlclose(dl);
+}
+
+#define WILDCARD_SUFFIX "/*.so"
+
+int plugin_init(char *path)
+{
+ int buflen = 128;
+ char *plugindir;
+ glob_t g;
+ char *s;
+ int i;
+
+ s = malloc(strlen(path) + sizeof(WILDCARD_SUFFIX) + 1);
+ strcpy(s, path);
+ strcat(s, WILDCARD_SUFFIX);
+ glob(s, GLOB_MARK, NULL, &g);
+ free(s);
+
+ for (i = 0; i < g.gl_pathc; i++)
+ plugin_load(g.gl_pathv[i], path);
+
+ globfree(&g);
+ return 1;
+}
+
+
Index: boa-0.94.13/src/request.c
===================================================================
--- boa-0.94.13.orig/src/request.c 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/request.c 2008-06-29 01:49:46.000000000 +0200
@@ -50,6 +50,7 @@
dequeue(&request_free, request_free); /* dequeue the head */
} else {
req = (request *) malloc(sizeof (request));
+ memset(req, 0, sizeof(request));
if (!req) {
log_error_time();
perror("malloc for new request");
@@ -603,6 +604,8 @@
int process_header_end(request * req)
{
+ int ret;
+
if (!req->logline) {
send_r_error(req);
return 0;
@@ -630,11 +633,26 @@
}
if (req->method == M_POST) {
- req->post_data_fd = create_temporary_file(1, NULL, 0);
- if (req->post_data_fd == 0)
- return(0);
- return(1); /* success */
- }
+ if (!req->plugin) {
+ req->post_data_fd = create_temporary_file(1, NULL, 0);
+ } else {
+ int fd[2];
+ if (pipe(&fd[0]) != -1) {
+ req->post_data_fd = fd[1];
+ req->read_data_fd = fd[0];
+ set_nonblock_fd(req->post_data_fd);
+ }
+ }
+ if (req->post_data_fd == 0) {
+ return(0);
+ }
+ if (!req->plugin)
+ return(1); /* success */
+ }
+
+ ret = plugin_handle(req);
+ if (ret)
+ return ret;
if (req->is_cgi) {
return init_cgi(req);
@@ -698,6 +716,8 @@
req->header_user_agent = value;
if (!add_cgi_env(req, "USER_AGENT", value, 1))
return 0;
+ } else if (!memcmp(line, "COOKIE", 7)) {
+ req->cookie = value;
} else {
if (!add_cgi_env(req, line, value, 1))
return 0;
Index: boa-0.94.13/src/Makefile.in
===================================================================
--- boa-0.94.13.orig/src/Makefile.in 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/Makefile.in 2008-06-29 01:12:36.000000000 +0200
@@ -20,7 +20,7 @@
srcdir = @srcdir@
VPATH = @srcdir@:@srcdir@/../extras
LDFLAGS = @LDFLAGS@
-LIBS = @LIBS@
+LIBS = @LIBS@ -ldl
CFLAGS = @CFLAGS@ -I.
# Change these if necessary
@@ -32,7 +32,8 @@
SOURCES = alias.c boa.c buffer.c cgi.c cgi_header.c config.c escape.c \
get.c hash.c ip.c log.c mmap_cache.c pipe.c queue.c read.c \
- request.c response.c select.c signals.c util.c sublog.c
+ request.c response.c select.c signals.c util.c sublog.c \
+ plugin.c
OBJS = y.tab.o lex.yy.o $(SOURCES:.c=.o) timestamp.o @STRUTIL@
Index: boa-0.94.13/src/boa.h
===================================================================
--- boa-0.94.13.orig/src/boa.h 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/boa.h 2008-06-29 01:12:36.000000000 +0200
@@ -37,6 +37,7 @@
#include <fcntl.h>
#include <limits.h> /* OPEN_MAX */
#include <setjmp.h>
+#include <stdbool.h>
#include <netdb.h>
#include <netinet/in.h>
@@ -50,6 +51,7 @@
#include "compat.h" /* oh what fun is porting */
#include "defines.h"
#include "globals.h"
+#include "boa-plugin.h"
/* alias */
void add_alias(char *fakename, char *realname, int script);
@@ -192,4 +194,9 @@
/* select */
void select_loop(int server_s);
+/* plugins */
+int plugin_init(char *path);
+int plugin_handle(request * req);
+struct httpd_plugin *plugin_lookup(request *req);
+
#endif
Index: boa-0.94.13/src/config.c
===================================================================
--- boa-0.94.13.orig/src/config.c 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/config.c 2008-06-29 01:12:36.000000000 +0200
@@ -61,6 +61,7 @@
char *error_log_name;
char *access_log_name;
char *cgi_log_name;
+char *plugin_root = NULL;
int use_localtime;
@@ -116,6 +117,7 @@
{"SinglePostLimit", S1A, c_set_int, &single_post_limit},
{"CGIPath", S1A, c_set_string, &cgi_path},
{"MaxConnections", S1A, c_set_int, &max_connections},
+ {"PluginRoot", S1A, c_set_string, &plugin_root},
};
static void c_set_user(char *v1, char *v2, void *t)
@@ -323,6 +325,22 @@
free(dirmaker);
dirmaker = temp;
}
+ if (plugin_root) {
+ char *plugin_path = plugin_root;
+ char *next;
+
+ do {
+ next = strchr(plugin_path, ':');
+ if (next) {
+ *next = 0;
+ next++;
+ }
+
+ plugin_init(normalize_path(plugin_path));
+ plugin_path = next;
+ } while (plugin_path);
+ free(plugin_root);
+ }
#if 0
if (mime_types) {
Index: boa-0.94.13/src/alias.c
===================================================================
--- boa-0.94.13.orig/src/alias.c 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/alias.c 2008-06-29 01:12:36.000000000 +0200
@@ -213,6 +213,7 @@
uri_len = strlen(req->request_uri);
current = find_alias(req->request_uri, uri_len);
+ req->plugin = !!plugin_lookup(req);
if (current) {
if (current->type == SCRIPTALIAS) /* Script */
@@ -237,7 +238,7 @@
}
if (current->type == REDIRECT) { /* Redirect */
- if (req->method == M_POST) { /* POST to non-script */
+ if ((req->method == M_POST) && !req->plugin) { /* POST to non-script */
/* it's not a cgi, but we try to POST??? */
send_r_bad_request(req);
return 0; /* not a script alias, therefore begin filling in data */
@@ -361,7 +362,7 @@
else
req->is_cgi = CGI;
return 1;
- } else if (req->method == M_POST) { /* POST to non-script */
+ } else if ((req->method == M_POST) && !req->plugin) { /* POST to non-script */
/* it's not a cgi, but we try to POST??? */
send_r_bad_request(req);
return 0;
Index: boa-0.94.13/src/globals.h
===================================================================
--- boa-0.94.13.orig/src/globals.h 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/globals.h 2008-06-29 01:47:25.000000000 +0200
@@ -47,6 +47,7 @@
struct request { /* pending requests */
int fd; /* client's socket fd */
int status; /* see #defines.h */
+ bool plugin;
time_t time_last; /* time of last succ. op. */
char *pathname; /* pathname of requested file */
int simple; /* simple request? */
@@ -92,6 +93,7 @@
char *header_referer;
int post_data_fd; /* fd for post data tmpfile */
+ int read_data_fd; /* fd for post data input (plugin) */
char *path_info; /* env variable */
char *path_translated; /* env variable */
@@ -99,6 +101,7 @@
char *query_string; /* env variable */
char *content_type; /* env variable */
char *content_length; /* env variable */
+ char *cookie; /* env variable */
struct mmap_entry *mmap_entry_var;
Index: boa-0.94.13/src/read.c
===================================================================
--- boa-0.94.13.orig/src/read.c 2008-06-29 01:11:52.000000000 +0200
+++ boa-0.94.13/src/read.c 2008-06-29 01:12:36.000000000 +0200
@@ -338,8 +338,11 @@
if (bytes_to_write == 0) { /* nothing left in buffer to write */
req->header_line = req->header_end = req->buffer;
- if (req->filepos >= req->filesize)
- return init_cgi(req);
+ if (req->filepos >= req->filesize) {
+ if (req->post_data_fd > 0)
+ close(req->post_data_fd);
+ return init_cgi(req);
+ }
/* if here, we can safely assume that there is more to read */
req->status = BODY_READ;
return 1;
Index: boa-0.94.13/src/boa-plugin.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ boa-0.94.13/src/boa-plugin.h 2008-06-29 02:02:27.000000000 +0200
@@ -0,0 +1,68 @@
+#ifndef _HTTPD_PLUGIN_H__
+#define _HTTPD_PLUGIN_H__
+
+#include "list.h"
+
+/*
+ * Definition for HTTP server plugins
+ *
+ * The context that the plugin is called with for
+ * a single http request. It gets allocated in the
+ * persistent context before prepare_req and freed
+ * there afterwards (still active in the forked
+ * context at handle_req time)
+ */
+struct http_context
+{
+ char *uri;
+ char *request_method;
+ char *server_addr;
+ char *server_proto;
+ char *query_string;
+ char *remote_addr;
+ unsigned int remote_port;
+ char *content_type;
+ char *content_length;
+ char *http_accept;
+ char *cookie;
+
+ void *priv;
+};
+
+/*
+ * the main data structure of httpd plugins.
+ */
+struct httpd_plugin
+{
+ /* used by the web server */
+ struct list_head list;
+
+ /* only page requests matching 'prefix' are passed
+ * to prepare_req and handle_req */
+ const char *prefix;
+
+ /* directory that the plugin was found in */
+ const char *dir;
+
+ /* initialize the plugin, if the return value is nonzero,
+ * the plugin will not be used */
+ int (*init)(struct httpd_plugin *);
+
+ /* free all memory associated with the plugin */
+ void (*done)(struct httpd_plugin *);
+
+ /* prepare a page request. this is executed in the main context,
+ * so pay attention to memory usage. should not print any data
+ * to stdout */
+ int (*prepare_req)(struct httpd_plugin *, struct http_context *);
+
+ /* handle the request. can print output data to stdout */
+ int (*handle_req)(struct httpd_plugin *, struct http_context *);
+
+ /* pointer for private data structures of the plugin */
+ void *priv;
+};
+
+#define HTTPD_PLUGIN struct httpd_plugin httpd_plugin =
+
+#endif