1 /***************************************************************************
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2 * Copyright (C) 2007,2008 Øyvind Harboe *
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3 * oyvind.harboe@zylin.com *
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5 * Copyright (C) 2008 Free Software Foundation
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7 * This program is free software; you can redistribute it and/or modify *
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8 * it under the terms of the GNU General Public License as published by *
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9 * the Free Software Foundation; either version 2 of the License, or *
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10 * (at your option) any later version. *
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12 * This program is distributed in the hope that it will be useful, *
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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15 * GNU General Public License for more details. *
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17 * You should have received a copy of the GNU General Public License *
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18 * along with this program; if not, write to the *
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19 * Free Software Foundation, Inc., *
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20 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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21 ***************************************************************************/
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23 /* some bits were copied from ahttpd which is under eCos license and
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26 #ifdef HAVE_CONFIG_H
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30 #include "replacements.h"
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35 #include "telnet_server.h"
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38 #include <command.h>
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43 #include <sys/types.h>
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47 #include <sys/types.h>
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48 #include <sys/select.h>
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49 #include <sys/socket.h>
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50 #include <microhttpd.h>
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55 #define PAGE_NOT_FOUND "<html><head><title>File not found</title></head><body>File not found</body></html>"
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57 static const char *appendf(const *prev, const char *format, ...)
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60 va_start(ap, format);
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61 char *string = alloc_vprintf(format, ap);
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63 char *string2 = NULL;
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67 string2 = alloc_printf("%s%s", (prev == NULL) ? "" : prev, string);
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81 static const char *httpd_exec_cgi_tcl_error(Jim_Interp *interp)
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85 const char *t = NULL;
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86 t = appendf(t, "<html><body>\n");
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88 t = appendf(t, "Runtime error, file \"%s\", line %d:<br>",
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89 interp->errorFileName, interp->errorLine);
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90 t = appendf(t, " %s<br>", Jim_GetString(interp->result, NULL));
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91 Jim_ListLength(interp, interp->stackTrace, &len);
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92 for (i = 0; i < len; i += 3)
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95 const char *proc, *file, *line;
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97 Jim_ListIndex(interp, interp->stackTrace, i, &objPtr, JIM_NONE);
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98 proc = Jim_GetString(objPtr, NULL);
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99 Jim_ListIndex(interp, interp->stackTrace, i + 1, &objPtr, JIM_NONE);
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100 file = Jim_GetString(objPtr, NULL);
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101 Jim_ListIndex(interp, interp->stackTrace, i + 2, &objPtr, JIM_NONE);
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102 line = Jim_GetString(objPtr, NULL);
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103 t = appendf(t, "In procedure '%s' called at file \"%s\", line %s<br>",
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106 t = appendf(t, "</html></body>\n");
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111 static int httpd_Jim_Command_writeform(Jim_Interp *interp, int argc,
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112 Jim_Obj * const *argv)
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116 Jim_WrongNumArgs(interp, 1, argv, "method ?args ...?");
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119 char *name = (char*) Jim_GetString(argv[1], NULL);
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120 char *file = (char*) Jim_GetString(argv[2], NULL);
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128 const char *script = alloc_printf("set dummy_val $httppostdata(%s); set dummy_val",
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130 retcode = Jim_Eval_Named(interp, script, "httpd.c", __LINE__ );
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131 free((void *) script);
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132 if (retcode != JIM_OK)
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135 data = Jim_GetString(Jim_GetResult(interp), &actual);
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138 f = fopen(file, "wb");
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142 ok = fwrite(data, 1, actual, f) == actual;
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147 Jim_SetResultString(interp, "Could not write to file", -1);
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153 Jim_SetResultString(interp, "Could not create file", -1);
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161 httpd_Jim_Command_formfetch(Jim_Interp *interp,
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163 Jim_Obj *const *argv)
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167 Jim_WrongNumArgs(interp, 1, argv, "method ?args ...?");
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170 char *name = (char*)Jim_GetString(argv[1], NULL);
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173 const char *script = alloc_printf("set dummy_val $httppostdata(%s); set dummy_val",
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175 int retcode = Jim_Eval_Named(interp, script, "httpd.c", __LINE__ );
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176 free((void *) script);
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177 if (retcode != JIM_OK)
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179 Jim_SetResult(interp, Jim_NewEmptyStringObj(interp));
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182 Jim_SetResult(interp, Jim_GetResult(interp));
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188 struct httpd_request
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191 struct MHD_PostProcessor *postprocessor;
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195 int complete; /* did we receive the entire post ? */
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199 static void request_completed(void *cls, struct MHD_Connection *connection,
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200 void **con_cls, enum MHD_RequestTerminationCode toe)
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202 struct httpd_request *r = (struct httpd_request*) *con_cls;
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207 if (r->postprocessor)
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209 MHD_destroy_post_processor(r->postprocessor);
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216 /* append to said key in dictonary */
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217 static void append_key(struct httpd_request *r, const char *key,
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218 const char *data, size_t off, size_t size)
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220 Jim_Obj *keyObj = Jim_NewStringObj(interp, key, -1);
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221 Jim_Obj *value = NULL;
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223 Jim_Obj *dict = Jim_GetVariableStr(interp, "httppostdata", 0);
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227 if (Jim_DictKey(interp, dict, keyObj, &value, 0) != JIM_OK)
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233 value = Jim_NewStringObj(interp, "", -1);
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235 /* create a new object we append to and insert into this location */
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236 Jim_Obj *newObj = Jim_NewStringObj(interp, "", -1);
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237 Jim_AppendObj(interp, newObj, value);
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238 Jim_AppendString(interp, newObj, data, size);
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239 /* uhh... use name here of dictionary */
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240 Jim_SetDictKeysVector(interp, Jim_NewStringObj(interp, "httppostdata", -1), &keyObj, 1, newObj);
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243 /* append data to each key */
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244 static int iterate_post(void *con_cls, enum MHD_ValueKind kind,
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245 const char *key, const char *filename, const char *content_type,
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246 const char *transfer_encoding, const char *data, size_t off,
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249 struct httpd_request *r = (struct httpd_request*) con_cls;
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251 append_key(r, key, data, off, size);
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256 static int record_arg(void *cls, enum MHD_ValueKind kind, const char *key,
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259 struct httpd_request *r = (struct httpd_request*) cls;
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260 append_key(r, key, value, 0, strlen(value));
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264 static int ahc_echo(void * cls, struct MHD_Connection * connection,
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265 const char * url, const char * method, const char * version,
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266 const char * upload_data, unsigned int * upload_data_size, void ** ptr)
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268 struct MHD_Response * response;
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273 if (0 == strcmp(method, "POST"))
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277 else if (0 == strcmp(method, "GET"))
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282 return MHD_NO; /* unexpected method */
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285 struct httpd_request *r;
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288 /* The first time only the headers are valid,
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289 do not respond in the first round... */
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291 *ptr = malloc(sizeof(struct httpd_request));
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294 memset(*ptr, 0, sizeof(struct httpd_request));
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296 r = (struct httpd_request *) *ptr;
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299 Jim_SetVariableStr(interp, "httppostdata", Jim_NewDictObj(interp, NULL, 0));
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301 /* fill in url query strings in dictonary */
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302 MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND,
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307 r->postprocessor = MHD_create_post_processor(connection, 2048
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308 * 1024, iterate_post, r);
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314 r = (struct httpd_request *) *ptr;
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318 /* consume post data */
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319 if (*upload_data_size)
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321 MHD_post_process(r->postprocessor, upload_data, *upload_data_size);
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322 *upload_data_size = 0;
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332 /* hand over to request who will be using it. */
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336 /* FIX!!!! we need more advanced handling of url's to avoid them
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337 * being subverted to evil purposes
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340 url++; /* skip '/' */
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342 const char *suffix;
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343 suffix = strrchr(url, '.');
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344 if ((suffix != NULL) && (strcmp(suffix, ".tcl") == 0))
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346 printf("Run tcl %s\n", url);
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350 const char *script = alloc_printf(
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351 "global httpdata; source {%s}; set httpdata", url);
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352 retcode = Jim_Eval_Named(interp, script, "httpd.c", __LINE__ );
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353 free((void *) script);
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355 if (retcode == JIM_ERR)
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357 printf("Tcl failed\n");
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358 const char *t = httpd_exec_cgi_tcl_error(interp);
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362 response = MHD_create_response_from_data(strlen(t), (void *) t,
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364 ret = MHD_queue_response(connection,
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365 MHD_HTTP_INTERNAL_SERVER_ERROR, response);
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366 MHD_destroy_response(response);
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371 printf("Tcl OK\n");
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372 /* FIX!!! how to handle mime types??? */
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373 const char *result;
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375 result = Jim_GetString(Jim_GetResult(interp), &reslen);
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377 response = MHD_create_response_from_data(reslen, (void *) result,
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379 ret = MHD_queue_response(connection,
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380 MHD_HTTP_INTERNAL_SERVER_ERROR, response);
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381 MHD_destroy_response(response);
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390 int retval = loadFile(url, &data, &len);
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391 if (retval != ERROR_OK)
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393 printf("Did not find %s\n", url);
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395 response = MHD_create_response_from_data(strlen(PAGE_NOT_FOUND),
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396 (void *) PAGE_NOT_FOUND, MHD_NO, MHD_NO);
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397 ret = MHD_queue_response(connection, MHD_HTTP_NOT_FOUND, response);
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398 MHD_destroy_response(response);
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402 printf("Serving %s length=%d\n", url, len);
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403 /* serve file directly */
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404 response = MHD_create_response_from_data(len, data, MHD_YES, MHD_NO);
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405 MHD_add_response_header(response, "Content-Type", "image/png");
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407 ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
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408 MHD_destroy_response(response);
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415 static struct MHD_Daemon * d;
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417 int httpd_start(void)
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421 LOG_USER("Launching httpd server on port %d", port);
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422 d = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, port, NULL, NULL,
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423 &ahc_echo, NULL, /* could be data for handler, but we only have a single handler, use global variables instead */
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424 MHD_OPTION_NOTIFY_COMPLETED, request_completed, NULL, /* Closure... what's that??? */
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429 Jim_CreateCommand(interp,
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431 httpd_Jim_Command_formfetch,
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435 Jim_CreateCommand(interp,
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437 httpd_Jim_Command_writeform,
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445 void httpd_stop(void)
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447 MHD_stop_daemon(d);
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450 void openocd_sleep_prelude(void)
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454 void openocd_sleep_postlude(void)
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