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https://opencores.org/ocsvn/openrisc/openrisc/trunk
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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [net/] [athttpd/] [current/] [src/] [handler.c] - Rev 786
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/* ================================================================= * * handler.c * * C callbacks as well as directory listings. * * ================================================================= * ####ECOSGPLCOPYRIGHTBEGIN#### * ------------------------------------------- * This file is part of eCos, the Embedded Configurable Operating System. * Copyright (C) 2005 Free Software Foundation, Inc. * * eCos 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 or (at your option) any later * version. * * eCos 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 eCos; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * As a special exception, if other files instantiate templates or use * macros or inline functions from this file, or you compile this file * and link it with other works to produce a work based on this file, * this file does not by itself cause the resulting work to be covered by * the GNU General Public License. However the source code for this file * must still be made available in accordance with section (3) of the GNU * General Public License v2. * * This exception does not invalidate any other reasons why a work based * on this file might be covered by the GNU General Public License. * ------------------------------------------- * ####ECOSGPLCOPYRIGHTEND#### * ================================================================= * #####DESCRIPTIONBEGIN#### * * Author(s): Anthony Tonizzo (atonizzo@gmail.com) * Contributors: * Date: 2006-06-12 * Purpose: * Description: * * ####DESCRIPTIONEND#### * * ================================================================= */ #include <pkgconf/hal.h> #include <pkgconf/kernel.h> #include <cyg/hal/hal_tables.h> #include <cyg/fileio/fileio.h> #include <dirent.h> #include <network.h> #include <string.h> #include <stdio.h> // sprintf(). #include <cyg/athttpd/http.h> #include <cyg/athttpd/socket.h> #include <cyg/athttpd/handler.h> #include <cyg/athttpd/forms.h> #ifdef CYGOPT_NET_ATHTTPD_USE_DIRLIST static char folder_gif[] = { 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x12, 0x00, 0x12, 0x00, 0xd5, 0x00, 0x00, 0xfb, 0xfb, 0xfb, 0xef, 0xef, 0xef, 0xdb, 0xb7, 0x52, 0xcc, 0x99, 0x34, 0xe4, 0xe4, 0xe4, 0xc1, 0xc1, 0xc1, 0xa3, 0x71, 0x0b, 0xc2, 0x8f, 0x2a, 0xb7, 0xb7, 0xb7, 0x9e, 0x6c, 0x06, 0xba, 0x87, 0x22, 0x9c, 0x6a, 0x04, 0xc9, 0x96, 0x31, 0xbd, 0x8a, 0x25, 0xb3, 0x81, 0x1b, 0x99, 0x67, 0x01, 0xdb, 0xb7, 0x71, 0xb5, 0x82, 0x1d, 0xa0, 0x6e, 0x08, 0xcb, 0x98, 0x33, 0xff, 0xff, 0xba, 0xb0, 0x7e, 0x18, 0xc5, 0x92, 0x2d, 0xa7, 0x75, 0x0f, 0xc7, 0x94, 0x2f, 0xa6, 0xa6, 0xa6, 0xa5, 0x73, 0x0d, 0xb7, 0x84, 0x1f, 0xab, 0x79, 0x13, 0xc8, 0x95, 0x30, 0xc0, 0x8d, 0x28, 0xc6, 0xc6, 0xc6, 0xae, 0x7c, 0x16, 0x9a, 0x68, 0x02, 0xa8, 0x76, 0x10, 0xac, 0x7a, 0x14, 0xff, 0xd4, 0x6f, 0xff, 0xf8, 0x93, 0xeb, 0xeb, 0xeb, 0xff, 0xff, 0x9c, 0xff, 0xdb, 0x75, 0xff, 0xe4, 0x7f, 0xff, 0xef, 0x89, 0xb6, 0xb6, 0xb6, 0xff, 0xff, 0xff, 0xff, 0xff, 0x99, 0x00, 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0x28, 0xa6, 0xa7, 0xa8, 0x2d, 0x21, 0x99, 0x0a, 0x2d, 0x24, 0xaf, 0xb0, 0xb1, 0x2d, 0x0f, 0x7c, 0x42, 0x01, 0x67, 0x15, 0x20, 0x1c, 0x22, 0x1a, 0x06, 0x12, 0x09, 0x0b, 0x0f, 0x19, 0x05, 0x43, 0x00, 0x04, 0x05, 0x2b, 0xc9, 0xca, 0xcb, 0x05, 0x04, 0x44, 0x00, 0x01, 0x26, 0xd2, 0xd3, 0xd4, 0x52, 0x4b, 0x4a, 0x41, 0x00, 0x3b }; static char doc_gif[] = { 0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x12, 0x00, 0x12, 0x00, 0xe6, 0x00, 0x00, 0xfb, 0xfb, 0xfb, 0xef, 0xef, 0xef, 0xf8, 0xfb, 0xff, 0xed, 0xf6, 0xff, 0xc1, 0xc1, 0xc1, 0xe4, 0xe4, 0xe4, 0xfd, 0xfd, 0xfd, 0xd8, 0xeb, 0xff, 0xc0, 0xdf, 0xff, 0xfe, 0xff, 0xff, 0xf3, 0xf9, 0xff, 0xc3, 0xe1, 0xff, 0xf4, 0xf4, 0xf5, 0xf9, 0xf9, 0xf9, 0x81, 0x95, 0xc3, 0x6b, 0x74, 0xa5, 0xce, 0xe7, 0xff, 0x5e, 0x61, 0x90, 0x55, 0xa7, 0xed, 0x93, 0xaa, 0xd2, 0x7a, 0x83, 0xb0, 0xc0, 0xc0, 0xff, 0xd9, 0xe1, 0xed, 0x84, 0x9b, 0xca, 0x8a, 0xa8, 0xd9, 0xe4, 0xf1, 0xff, 0x91, 0xb8, 0xea, 0x92, 0xbc, 0xef, 0x73, 0x7e, 0xb0, 0xf5, 0xfa, 0xff, 0xf7, 0xf7, 0xf7, 0x90, 0xa3, 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0x08, 0x08, 0x00, 0x3b }; #endif // ============================================================================= // Internal resources // ============================================================================= CYG_HAL_TABLE_BEGIN(cyg_httpd_ires_table, httpd_ires_table); CYG_HAL_TABLE_END(cyg_httpd_ires_table_end, httpd_ires_table); __externC cyg_httpd_ires_table_entry cyg_httpd_ires_table[]; __externC cyg_httpd_ires_table_entry cyg_httpd_ires_table_end[]; #ifdef CYGOPT_NET_ATHTTPD_USE_DIRLIST // These threes internal resources are used for the directory listing. CYG_HTTPD_IRES_TABLE_ENTRY(cyg_httpd_ires_folder, \ "/___folder__gif.gif", \ folder_gif, \ sizeof(folder_gif)); CYG_HTTPD_IRES_TABLE_ENTRY(cyg_httpd_ires_doc, \ "/___doc__gif.gif", \ doc_gif, \ sizeof(doc_gif)); CYG_HTTPD_IRES_TABLE_ENTRY(cyg_httpd_ires_back, \ "/___back__gif.gif", \ back_gif, \ sizeof(back_gif)); #endif cyg_httpd_ires_table_entry * cyg_httpd_find_ires(char *path_name) { cyg_httpd_ires_table_entry *entry = cyg_httpd_ires_table; while (entry != cyg_httpd_ires_table_end) { if (!strcasecmp((char*)path_name, entry->f_pname)) return entry; entry++; } return (cyg_httpd_ires_table_entry*)NULL; } void cyg_httpd_send_ires(cyg_httpd_ires_table_entry *entry) { httpstate.status_code = CYG_HTTPD_STATUS_OK; // Here we'll look for extension to the file. Consider the case where // there might be more than one dot in the file name. We'll look for // the last dot, then we'll check the extension. char *extension = rindex(entry->f_pname, '.'); if (extension == NULL) // No extension in the file name. httpstate.mime_type = 0; else httpstate.mime_type = cyg_httpd_find_mime_string(++extension); httpstate.payload_len = entry->f_size; cyg_int32 header_length = cyg_httpd_format_header(); // As always, the header is always sent out. send(httpstate.sockets[httpstate.client_index].descriptor, httpstate.outbuffer, header_length, 0); if (httpstate.mode & CYG_HTTPD_MODE_SEND_HEADER_ONLY) return; cyg_httpd_write(entry->f_ptr, entry->f_size); } // ============================================================================= // C callbacks // ============================================================================= CYG_HAL_TABLE_BEGIN(cyg_httpd_handler_table, httpd_handler_table); CYG_HAL_TABLE_END(cyg_httpd_handler_table_end, httpd_handler_table); __externC cyg_httpd_handler_table_entry cyg_httpd_handler_table[]; __externC cyg_httpd_handler_table_entry cyg_httpd_handler_table_end[]; handler cyg_httpd_find_handler(void) { cyg_httpd_handler_table_entry *entry = cyg_httpd_handler_table; while (entry != cyg_httpd_handler_table_end) { if (strcmp((const char*)httpstate.url, entry->path) == 0) return entry->h; entry++; } return (handler)NULL; } // ============================================================================= // Directory listing // ============================================================================= #ifdef CYGOPT_NET_ATHTTPD_USE_DIRLIST void cyg_httpd_print_directory_entry(char *path_name, struct stat *s, struct dirent *de) { char fname[CYG_HTTPD_MAXPATH]; char time_str[32]; time_t last_mod = s->st_mtime; struct tm *mod_time = gmtime(&last_mod); sprintf(time_str, "%02d-%s-%04d %02d:%02d", mod_time->tm_mday, month_of_year[mod_time->tm_mon], mod_time->tm_year + 1900, mod_time->tm_hour, mod_time->tm_min); if (S_ISREG(s->st_mode)) { strcpy(fname, path_name); if (fname[strlen(fname)-1] != '/') strcat(fname, "/"); strcat(fname, de->d_name); cyg_httpd_cleanup_filename(fname); sprintf(httpstate.outbuffer, "<tr><td><img src='/___doc__gif.gif'></td>" "<td><a href='%s'>%s</a></td>" "<td>           </td>" "<td>%s </td>" "<td style='color:black'>%d</td></tr>", fname, de->d_name, time_str, (int)s->st_size); } else { strcpy(fname, "/"); strcat(fname, path_name); if (fname[strlen(fname)-1] != '/') strcat(fname, "/"); strcat(fname, de->d_name); cyg_httpd_cleanup_filename(fname); sprintf(httpstate.outbuffer, "<tr><td><img src='/___folder__gif.gif'></td>" "<td><a href='%s/'>%s</a></td>" "<td>           </td>" "<td>%s </td>" "<td style='color:black'></td></tr>", fname, de->d_name, time_str); } cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer)); } void cyg_httpd_send_directory_listing(char *path_name) { struct dirent next_file; struct dirent last_printed; struct stat s; char fname[CYG_HTTPD_MAXPATH]; cyg_httpd_start_chunked("html"); sprintf(httpstate.outbuffer, "<html><body><h3>Index of %s</h3><p></p>" "<table style='font-family:courier'>", path_name); cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer)); sprintf(httpstate.outbuffer, "<tr><td></td><td align='center' style='border-style:none none" " solid none;border-width:thin'>Name</td>" "<td style='border-style:none none solid none; border-width:thin'>" "           </td>" "<td align='center' style='border-style:none none solid none;" " border-width:thin'>Last Modified</td>" "<td style='border-style:none none solid none; border-width:thin'>" "Size</td></tr>"); cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer)); // Provide a pointer to the parent directory. strcpy(fname, path_name); if (fname[strlen(fname)-1] == '/') fname[strlen(fname)-1] = '\0'; char *slash = rindex(fname, '/'); slash[1] = '\0'; sprintf(httpstate.outbuffer, "<tr><td><img src='/___back__gif.gif'></td></td>" "<td><a href='%s' style='color:red'>Parent " "Directory</a></td>" "<td>           </td>" "<td>           </td>" "<td style='color:black'>-</td></tr>", fname); cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer)); strcpy(fname, CYGDAT_NET_ATHTTPD_SERVEROPT_ROOTDIR); if (fname[strlen(fname)-1] != '/') strcat(fname, "/"); strcat(fname, path_name); if (fname[strlen(fname)-1] != '/') strcat(fname, "/"); cyg_httpd_cleanup_filename(fname); int abs_path_len = strlen(fname); DIR* pdir = opendir(fname); struct dirent *dirent = readdir(pdir); // First time for the directories. rewinddir(pdir); memset((void*)&last_printed, 0, sizeof(struct dirent)); dirent = readdir(pdir); int new_entry = 1; while (1) { memset((void*)&next_file, 0, sizeof(struct dirent)); new_entry = 0; while(dirent) { if (strcmp(dirent->d_name, "..") && strcmp(dirent->d_name, ".")) if ((next_file.d_name[0] == '\0') || (strcmp(next_file.d_name, dirent->d_name) > 0)) if ((last_printed.d_name[0] == '\0') || (strcmp(last_printed.d_name, dirent->d_name) < 0)) { fname[abs_path_len] = '\0'; strcat(fname, dirent->d_name); struct stat sp; stat(fname, &sp); if (S_ISDIR(sp.st_mode)) { memcpy(&next_file, dirent, sizeof(struct dirent)); memcpy(&s, &sp, sizeof(struct stat)); new_entry = 1; } } dirent = readdir(pdir); } if (new_entry == 0) break; cyg_httpd_print_directory_entry(path_name, &s, &next_file); memcpy(&last_printed, &next_file, sizeof(struct dirent)); rewinddir(pdir); dirent = readdir(pdir); } // A second time for the files. rewinddir(pdir); memset((void*)&last_printed, 0, sizeof(struct dirent)); dirent = readdir(pdir); new_entry = 1; while (1) { memset((void*)&next_file, 0, sizeof(struct dirent)); new_entry = 0; while(dirent) { if (strcmp(dirent->d_name, "..") && strcmp(dirent->d_name, ".")) if ((next_file.d_name[0] == '\0') || (strcmp(next_file.d_name, dirent->d_name) > 0)) if ((last_printed.d_name[0] == '\0') || (strcmp(last_printed.d_name, dirent->d_name) < 0)) { fname[abs_path_len] = '\0'; strcat(fname, dirent->d_name); struct stat sp; stat(fname, &sp); if (S_ISREG(sp.st_mode)) { memcpy(&next_file, dirent, sizeof(struct dirent)); memcpy(&s, &sp, sizeof(struct stat)); new_entry = 1; } } dirent = readdir(pdir); } if (new_entry == 0) break; cyg_httpd_print_directory_entry(path_name, &s, &next_file); memcpy(&last_printed, &next_file, sizeof(struct dirent)); rewinddir(pdir); dirent = readdir(pdir); } strcpy(httpstate.outbuffer, "</table><html><body>"); cyg_httpd_write_chunked(httpstate.outbuffer, strlen(httpstate.outbuffer)); cyg_httpd_end_chunked(); closedir(pdir); } #endif