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authorØyvind Harboe <oyvind.harboe@zylin.com>2010-11-11 08:15:49 +0100
committerØyvind Harboe <oyvind.harboe@zylin.com>2010-11-15 09:18:21 +0100
commitfdae51287cf55a039f3401ed92151dbf518e4e7f (patch)
tree9a3bd5c3701da090b444b70770c941bdcce47058 /src/server/httpd.c
parent015bf559444edd9e7c524e951aad183fdaab9156 (diff)
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httpd: retire this server
this never panned out and there are enough mistakes in the code that probably nobody used this. Use the tcl server and implement a standalone http app instead works fine. Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Diffstat (limited to 'src/server/httpd.c')
-rw-r--r--src/server/httpd.c506
1 files changed, 0 insertions, 506 deletions
diff --git a/src/server/httpd.c b/src/server/httpd.c
deleted file mode 100644
index af8c3c8..0000000
--- a/src/server/httpd.c
+++ /dev/null
@@ -1,506 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2007,2008,2009 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * 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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-/* some bits were copied from ahttpd which is under eCos license and
- * copyright to FSF
- */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "telnet_server.h"
-#include <target/target.h>
-
-#include <microhttpd.h>
-#include <pthread.h>
-#include <signal.h>
-
-#define PAGE_NOT_FOUND "<html><head><title > File not found</title></head><body > File not found</body></html>"
-
-static pthread_mutex_t mutex;
-
-void openocd_sleep_prelude(void)
-{
- pthread_mutex_unlock(&mutex);
-}
-
-void openocd_sleep_postlude(void)
-{
- pthread_mutex_lock(&mutex);
-}
-
-
-
-int loadFile(const char *name, void **data, size_t *len);
-
-static const char *appendf(const char *prev, const char *format, ...)
-{
- va_list ap;
- va_start(ap, format);
- char *string = alloc_vprintf(format, ap);
- va_end(ap);
- char *string2 = NULL;
-
- if (string != NULL)
- {
- string2 = alloc_printf("%s%s", (prev == NULL) ? "" : prev, string);
- }
-
- if (prev != NULL)
- {
- free((void *)prev);
- }
-
- if (string == NULL)
- free(string);
-
- return string2;
-}
-
-static const char *httpd_exec_cgi_tcl_error(Jim_Interp *interp)
-{
- int len, i;
-
- const char *t = NULL;
- t = appendf(t, "<html><body>\n");
-
- t = appendf(t, "Runtime error, file \"%s\", line %d:<br>",
- interp->errorFileName, interp->errorLine);
- t = appendf(t, " %s < br>", Jim_GetString(interp->result, NULL));
- Jim_ListLength(interp, interp->stackTrace, &len);
- for (i = 0; i < len; i += 3)
- {
- Jim_Obj *objPtr;
- const char *proc, *file, *line;
-
- Jim_ListIndex(interp, interp->stackTrace, i, &objPtr, JIM_NONE);
- proc = Jim_GetString(objPtr, NULL);
- Jim_ListIndex(interp, interp->stackTrace, i + 1, &objPtr, JIM_NONE);
- file = Jim_GetString(objPtr, NULL);
- Jim_ListIndex(interp, interp->stackTrace, i + 2, &objPtr, JIM_NONE);
- line = Jim_GetString(objPtr, NULL);
- t = appendf(t, "In procedure '%s' called at file \"%s\", line %s < br>",
- proc, file, line);
- }
- t = appendf(t, "</html></body>\n");
-
- return t;
-}
-
-static int httpd_Jim_Command_writeform(Jim_Interp *interp, int argc,
- Jim_Obj * const *argv)
-{
- if (argc != 3)
- {
- Jim_WrongNumArgs(interp, 1, argv, "method ?CMD_ARGV ...?");
- return JIM_ERR;
- }
- char *name = (char*) Jim_GetString(argv[1], NULL);
- char *file = (char*) Jim_GetString(argv[2], NULL);
-
- // Find length
- const char *data;
- int actual;
- int retcode;
- const char *script = alloc_printf(
- "set dummy_val $httppostdata(%s); set dummy_val",
- name);
-
- retcode = Jim_Eval_Named(interp, script, __FILE__, __LINE__);
- free((void *) script);
- if (retcode != JIM_OK)
- return retcode;
-
- data = Jim_GetString(Jim_GetResult(interp), &actual);
-
- FILE *f = fopen(file, "wb");
- if (NULL == f)
- {
- Jim_SetResultString(interp, "Could not create file", -1);
- return JIM_ERR;
- }
-
- int result = fwrite(data, 1, actual, f);
- fclose(f);
-
- if (result != actual)
- {
- Jim_SetResultString(interp, "Could not write to file", -1);
- return JIM_ERR;
- }
- return JIM_OK;
-}
-
-
-int
-httpd_Jim_Command_formfetch(Jim_Interp *interp,
- int argc,
- Jim_Obj *const *argv)
-{
- if (argc != 2)
- {
- Jim_WrongNumArgs(interp, 1, argv, "method ?CMD_ARGV ...?");
- return JIM_ERR;
- }
-
- char *name = (char*)Jim_GetString(argv[1], NULL);
- const char *script = alloc_printf(
- "set dummy_val $httppostdata(%s); set dummy_val",
- name);
- int retcode = Jim_Eval_Named(interp, script, __FILE__, __LINE__);
-
- free((void *) script);
- if (retcode != JIM_OK)
- Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
- else
- Jim_SetResult(interp, Jim_GetResult(interp));
-
- return JIM_OK;
-}
-
-struct httpd_request
-{
- int post;
- Jim_Interp *interp;
- struct MHD_PostProcessor *postprocessor;
-
- //Jim_Obj *dict;
-
- int complete; /* did we receive the entire post ? */
-
-};
-
-static void request_completed(void *cls, struct MHD_Connection *connection,
- void **con_cls, enum MHD_RequestTerminationCode toe)
-{
- struct httpd_request *r = (struct httpd_request*) *con_cls;
-
- if (NULL == r)
- return;
-
- if (r->postprocessor)
- {
- openocd_sleep_postlude();
- MHD_destroy_post_processor(r->postprocessor);
- openocd_sleep_prelude();
- }
-
- free(r);
- *con_cls = NULL;
-}
-
-/* append to said key in dictionary */
-static void append_key(Jim_Interp *interp,
- struct httpd_request *r, const char *key,
- const char *data, size_t off, size_t size)
-{
- Jim_Obj *keyObj = Jim_NewStringObj(interp, key, -1);
- Jim_IncrRefCount(keyObj);
- Jim_Obj *value = NULL;
-
- Jim_Obj *dict = Jim_GetVariableStr(interp, "httppostdata", 0);
-
- if (dict != NULL)
- {
- if (Jim_DictKey(interp, dict, keyObj, &value, 0) != JIM_OK)
- {
- value = NULL;
- }
- else
- {
- Jim_IncrRefCount(value);
- }
- }
-
- if (value == NULL)
- {
- value = Jim_NewStringObj(interp, "", -1);
- Jim_IncrRefCount(value);
-
- }
-
- /* create a new object we append to and insert into this location */
- Jim_Obj *newObj = Jim_NewStringObj(interp, "", -1);
- Jim_IncrRefCount(newObj);
- Jim_AppendObj(interp, newObj, value);
- Jim_AppendString(interp, newObj, data, size);
- /* uhh... use name here of dictionary */
- dict = Jim_NewStringObj(interp, "httppostdata", -1);
- Jim_IncrRefCount(dict);
- Jim_SetDictKeysVector(interp, dict, &keyObj, 1, newObj);
- Jim_DecrRefCount(interp, dict);
- Jim_DecrRefCount(interp, value);
- Jim_DecrRefCount(interp, newObj);
- Jim_DecrRefCount(interp, keyObj);
-}
-
-/* append data to each key */
-static int iterate_post(void *con_cls, enum MHD_ValueKind kind,
- const char *key, const char *filename, const char *content_type,
- const char *transfer_encoding, const char *data, uint64_t off,
- size_t size)
-{
- struct httpd_request *r = (struct httpd_request*) con_cls;
-
- append_key(r->interp, r, key, data, off, size);
-
- return MHD_YES;
-}
-
-static int record_arg(void *cls, enum MHD_ValueKind kind, const char *key,
- const char *value)
-{
- struct httpd_request *r = (struct httpd_request*) cls;
- append_key(r->interp, r, key, value, 0, strlen(value));
- return MHD_YES;
-}
-
-
-static int handle_request(Jim_Interp *interp,
- struct MHD_Connection * connection, const char * url)
-{
- struct MHD_Response * response;
-
- int ret;
- const char *suffix;
- suffix = strrchr(url, '.');
- if ((suffix != NULL) && (strcmp(suffix, ".tcl") == 0))
- {
- printf("Run tcl %s\n", url);
-
- int retcode;
-
- const char *script = alloc_printf(
- "global httpdata; source {%s}; set httpdata", url);
- retcode = Jim_Eval_Named(interp, script, __FILE__, __LINE__);
- free((void *) script);
-
- if (retcode != JIM_OK)
- {
- printf("Tcl failed\n");
- const char *t = httpd_exec_cgi_tcl_error(interp);
- if (t == NULL)
- return MHD_NO;
-
- response = MHD_create_response_from_data(strlen(t), (void *) t,
- MHD_YES, MHD_NO);
- ret = MHD_queue_response(connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR, response);
- MHD_destroy_response(response);
- return ret;
- }
- else
- {
- LOG_DEBUG("Tcl OK");
- /* FIX!!! how to handle mime types??? */
- const char *result;
- int reslen;
- result = Jim_GetString(Jim_GetResult(interp), &reslen);
-
- response = MHD_create_response_from_data(reslen, (void *) result,
- MHD_NO, MHD_YES);
- ret = MHD_queue_response(connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR, response);
- MHD_destroy_response(response);
- return ret;
- }
- }
- else
- {
- void *data;
- size_t len;
-
- int retval = loadFile(url, &data, &len);
- if (retval != ERROR_OK)
- {
- printf("Did not find %s\n", url);
-
- response = MHD_create_response_from_data(strlen(PAGE_NOT_FOUND),
- (void *) PAGE_NOT_FOUND, MHD_NO, MHD_NO);
- ret = MHD_queue_response(connection, MHD_HTTP_NOT_FOUND, response);
- MHD_destroy_response(response);
- return ret;
- }
-
- LOG_DEBUG("Serving %s length=%zu", url, len);
- /* serve file directly */
- response = MHD_create_response_from_data(len, data, MHD_YES, MHD_NO);
- /* Should we expose mimetype via tcl here or just let the browser
- guess?
- MHD_add_response_header(response, "Content-Type", "image/png");
- */
-
- ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
- MHD_destroy_response(response);
-
- //free(data);
- return ret;
- }
-}
-
-static int ahc_echo_inner(void * cls, struct MHD_Connection * connection,
- const char * url, const char * method, const char * version,
- const char * upload_data, size_t * upload_data_size, void ** ptr)
-{
- Jim_Interp *interp = (Jim_Interp *)cls;
- int post = 0;
-
- if (0 == strcmp(method, "POST"))
- {
- post = 1;
- }
- else if (0 == strcmp(method, "GET"))
- {
- }
- else
- {
- return MHD_NO; /* unexpected method */
- }
-
- struct httpd_request *r;
- if (*ptr == NULL)
- {
- /* The first time only the headers are valid,
- do not respond in the first round... */
-
- *ptr = malloc(sizeof(struct httpd_request));
- if (*ptr == NULL)
- return MHD_NO;
- memset(*ptr, 0, sizeof(struct httpd_request));
-
- r = (struct httpd_request *) *ptr;
- r->interp = interp;
- r->post = post;
- Jim_SetVariableStr(interp, "httppostdata", Jim_NewDictObj(interp, NULL, 0));
-
- /* fill in url query strings in dictionary */
- MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND,
- record_arg, r);
-
- if (r->post)
- {
- r->postprocessor = MHD_create_post_processor(connection, 2048
- * 1024, &iterate_post, r);
- }
-
- return MHD_YES;
- }
-
- r = (struct httpd_request *) *ptr;
-
- if (r->post)
- {
- /* consume post data */
- if (*upload_data_size)
- {
- MHD_post_process(r->postprocessor, upload_data, *upload_data_size);
- *upload_data_size = 0;
- return MHD_YES;
- }
- else
- {
- }
- } else
- {
- }
-
- /* hand over to request who will be using it. */
- // r->dict = NULL;
-
-
- /* FIX!!!! we need more advanced handling of url's to avoid them
- * being subverted to evil purposes
- */
-
- const char *httpd_dir = PKGDATADIR "/httpd";
-
- if (*url=='/')
- {
- url++; /* skip '/' */
- }
- if (!*url)
- url="index.tcl";
-
- const char *file_name = alloc_printf("%s/%s", httpd_dir, url);
- int result = handle_request(interp, connection, file_name);
- free((void *)file_name);
- return result;
-}
-
-
-static int ahc_echo(void * cls, struct MHD_Connection * connection,
- const char * url, const char * method, const char * version,
- const char * upload_data, size_t * upload_data_size, void ** ptr)
-{
- int result;
-
- openocd_sleep_postlude();
-
- result = ahc_echo_inner(cls, connection, url, method, version, upload_data, upload_data_size, ptr);
-
- openocd_sleep_prelude();
-
- return result;
-}
-
-static struct MHD_Daemon * d;
-
-static const struct command_registration httpd_command_handlers[] = {
- {
- .name = "formfetch",
- .jim_handler = httpd_Jim_Command_formfetch,
- .mode = COMMAND_EXEC,
- .usage = "parameter_name",
- .help = "Reads a posted form value.",
- },
- {
- .name = "writeform",
- .jim_handler = httpd_Jim_Command_writeform,
- .mode = COMMAND_EXEC,
- .usage = "parameter_name filename",
- .help = "Writes a form value to a file.",
- },
- COMMAND_REGISTRATION_DONE
-};
-
-int httpd_start(struct command_context *cmd_ctx)
-{
- pthread_mutexattr_t attr;
- pthread_mutexattr_init(&attr);
- pthread_mutex_init(&mutex, &attr);
-
- int port = 8888;
- LOG_USER("Launching httpd server on port %d", port);
- d = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, port, NULL, NULL,
- &ahc_echo, cmd_ctx->interp,
- MHD_OPTION_NOTIFY_COMPLETED, request_completed, NULL, /* Closure... what's that??? */
- MHD_OPTION_END);
- if (d == NULL)
- return ERROR_FAIL;
-
- return register_commands(cmd_ctx, NULL, httpd_command_handlers);
-}
-
-void httpd_stop(void)
-{
- MHD_stop_daemon(d);
- pthread_mutex_destroy(&mutex);
-}
-
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