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/* This file is part of libmicrohttpd Copyright (C) 2007, 2008 Christian Grothoff (and other contributing authors) This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file https_fileserver_example.c * @brief a simple HTTPS file server using TLS. * * Usage : * * 'http_fileserver_example HTTP-PORT SECONDS-TO-RUN' * * The certificate & key are required by the server to operate, omitting the * path arguments will cause the server to use the hard coded example certificate & key. * * 'certtool' may be used to generate these if required. * * @author Sagie Amir */ #include "platform.h" #include #include #define BUF_SIZE 1024 #define MAX_URL_LEN 255 /* TODO remove if unused */ #define CAFILE "ca.pem" #define CRLFILE "crl.pem" #define EMPTY_PAGE \ "File not foundFile not found" /* test server key */ const char key_pem[] = "-----BEGIN PRIVATE KEY-----\n\ MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCrm8uH8V0P2Xbl\n\ HCMq6PTIphDcMmXEDiciCAAbfS7rVUyEJBgRpKSb+IXpj6jX1+e0+uncBxO9fesZ\n\ Vyg4ksOA7jITGlzOjBvX6RzxkE9I96R3RCgzUHyYB8ayVSj1s/WmhorVPhKQjCmd\n\ 6mi978n//bZKqTpq3OMpDrNC6AWTiHHP5KV9pp3Hsz1iAGK74sSVP3vhYD8IZ5yg\n\ CR99TDDHZfIvOmbqS60kx/UclUf2R4mSv/ZZHaHW7PeUhtUxzwOYqWVj0zLv/Lni\n\ CGO9uXGOgZHFfL8PhQwt6pNT5DaVmqx/uGwpsLiER4P74ngwroSjMwavYNlykuLF\n\ 1N8GZZC7AgMBAAECggEAc0F/wR3qUurLX7U2KWuse9aNHFb84mBfCAw3hj7ddFEl\n\ wto7EB50MA0KY4OI8u6fQH4E8zINoAciDzLqYJSxmbZhC1N5YX/Yc3qtZdB2b5tj\n\ anbsSQqVo8YVPVDU4bCsG9vhArdd4JdCnD0DfA3ArZ3JAPwHsB4Ks1icLSOIGz0/\n\ JvOZEryJBdwM6SKbzLMqVOGmYDiY6s7UpJ0rg3cOPqhdg5xv8XZATqXISU0mLBcq\n\ RiS7lHZERASYON2rpznhBiCtikOcr/duQhvZ1uDSGfDzDJil+1hdS3RouS9WZCIe\n\ p3CtvZhPLmv6kFg9YE+AovDwOOwNr0no3H9oJA2FgQKBgQDSWrE/MRMRpFJFBxxC\n\ YckC2v8Y+7sVSMbFNq/0j2eRTql+8AeZBbAoGU4QHUcylCBkv33zDYRY52xNo32E\n\ 8mmH2O/pIcYy0LafrVZHdulf+fxybncObidxmmjR9C8aLzwRuIMtABz4simaQcBD\n\ RhZJ1YCqVkfMr/PlbLzvC8V+FwKBgQDQ2MF/Yz/p7QEDHpfKdtx7+yK6i8IM+V8l\n\ d2OuscNkQQywCVqE2vyRZJbjU9y+Om7alNKFPhhBzavdOxNWXGXmlBIlvo3v6M++\n\ fTixza77LxHvbghH0ykplSwGh30vpHtvoxsRS5nRFxmsVK9jNYYT/Aes+J6MXlq7\n\ PYAiZVQs/QKBgFKYY8JhPZCOyfLqsNDr3matoL6pkTLxSYMETyCi8lKe5XS/QOx3\n\ zExia0FujZcxjGqiugymgRH7hI4TpOR/3qoFp2YN6enoA908zYTwDwCtgs9Xyo2y\n\ +O/lZkUSMTCB3X9DyNXxlm6cXjOAn8KKkZPaLlQz3qtjZ0vtX14pbBlvAoGBAKw0\n\ vsCifvYNZhNDa5gXkFBu0MEPMm/uQ+Up37kRfPKyrJqO6+O2iiH81moWIWN93SBB\n\ LKGPhQLlazxdVOGWCLQrDhevW2wiBQKmUFRULF+T/W72xL8sv7k49ndfyvq43ss7\n\ q7sEIo4FRTcTERd179uUqmOXEWze9GOGH5y8/r6lAoGAG2YyqRWF+yxKlgR71b1Q\n\ Zxv53WgXOUwemGRbXxE4g3gHpW5k9zWh4QTkbd0lDD+SQ0DBwZl/x/FWj43jUS+i\n\ a5UojDUx8nYgjiAO7kppMlX3ZaJD1DkwEz+4HW9oPmOFt8smvuTVt0mm6tpmQdRA\n\ yLwgQzGDGVJB6ETVJS7cwWs=\n\ -----END PRIVATE KEY-----"; /* test server CA signed certificates */ const char cert_pem[] = "-----BEGIN CERTIFICATE-----\n\ MIIFaTCCA1GgAwIBAgIBATANBgkqhkiG9w0BAQsFADCBgTELMAkGA1UEBhMCUlUx\n\ DzANBgNVBAgMBk1vc2NvdzEPMA0GA1UEBwwGTW9zY293MRswGQYDVQQKDBJ0ZXN0\n\ LWxpYm1pY3JvaHR0cGQxITAfBgkqhkiG9w0BCQEWEm5vYm9keUBleGFtcGxlLm9y\n\ ZzEQMA4GA1UEAwwHdGVzdC1DQTAgFw0yMTA0MDcxNzM2MjFaGA8yMTIxMDMxMzE3\n\ MzYyMVowgYcxCzAJBgNVBAYTAlJVMQ8wDQYDVQQIDAZNb3Njb3cxDzANBgNVBAcM\n\ Bk1vc2NvdzEbMBkGA1UECgwSdGVzdC1saWJtaWNyb2h0dHBkMRQwEgYDVQQDDAt0\n\ ZXN0LXNlcnZlcjEjMCEGA1UdEQwaRE5TOmxvY2FsaG9zdCxJUDoxMjcuMC4wLjEw\n\ ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCrm8uH8V0P2XblHCMq6PTI\n\ phDcMmXEDiciCAAbfS7rVUyEJBgRpKSb+IXpj6jX1+e0+uncBxO9fesZVyg4ksOA\n\ 7jITGlzOjBvX6RzxkE9I96R3RCgzUHyYB8ayVSj1s/WmhorVPhKQjCmd6mi978n/\n\ /bZKqTpq3OMpDrNC6AWTiHHP5KV9pp3Hsz1iAGK74sSVP3vhYD8IZ5ygCR99TDDH\n\ ZfIvOmbqS60kx/UclUf2R4mSv/ZZHaHW7PeUhtUxzwOYqWVj0zLv/LniCGO9uXGO\n\ gZHFfL8PhQwt6pNT5DaVmqx/uGwpsLiER4P74ngwroSjMwavYNlykuLF1N8GZZC7\n\ AgMBAAGjgeEwgd4wCwYDVR0PBAQDAgWgMAwGA1UdEwEB/wQCMAAwFgYDVR0lAQH/\n\ BAwwCgYIKwYBBQUHAwEwLAYDVR0RBCUwI4IJbG9jYWxob3N0hwR/AAABhxAAAAAA\n\ AAAAAAAAAAAAAAABMB0GA1UdDgQWBBRifkHd2xWI51NhnH8sL66K8EedpjAoBglg\n\ hkgBhvhCAQ0EGxYZVGVzdCBsaWJtaWNyb2h0dHBkIHNlcnZlcjARBglghkgBhvhC\n\ AQEEBAMCBkAwHwYDVR0jBBgwFoAUWHVDwKVqMcOFNd0arI3/QB3W6SwwDQYJKoZI\n\ hvcNAQELBQADggIBAJoIyNrnwQ+7WcJDaBjjuwSH0ORuK+E3zRI3+nDde08gyfeG\n\ K4QozT2L574WzadTVLSiin9lRShYlp0nr60pmUb9+SKE0O7Cx+rYV0Rfu0KLYsYh\n\ sAkb9J9t1fdIt54fXNcUtvfGPyM2lEI0KxMCGNV2wXDnwzdSNIU6Nk457MntfZdi\n\ r1ISnS6fLd0BIKIGxfCFb10CexhNOSaExgpp1bxZovdYaQWggL0u8eC8j00sJ1C5\n\ Qo4gQ1TQsead6zMs6m19TPLlV7hS+hfXj7yeJ/TTUj69bCjTIMp6HCFnfQbD84BI\n\ HZDKk4Tob9vBRCKbY58kNXHyQ4nxvSCBlKI03VJjvzpsKTI/vW9JBivtnYtMbMl9\n\ ouZal/IVsNqRCeiMTLky62qrFhZr2DHgPG5VcOGQ4y0X4vOgM9n/MMOGWcNBByLX\n\ b5ZaYr7DPCcz9dYZgEbwXj8wnuAzM1sJ2igwTmO/vQsn1G2Q/h/JB471CD1avuuI\n\ awKRqhU2KhYVrwo7ahJkPV9Lm6eoavq2Tu+e1o4qAFhPLMy/6F+bZmK6GfHMvP+L\n\ v+GOQdUJ/vMMus/HB5N3cUZsu9rGnCCVgPW7pkHrp5bRtuVzBT78ISsxkGnOhfT7\n\ 6Kp7ApvfEX6/Y/vbDFBC4kyAvEIZ+F8AUkbvZ0+k8j5xlarNd6TQ3slEGi6O\n\ -----END CERTIFICATE-----"; static ssize_t file_reader (void *cls, uint64_t pos, char *buf, size_t max) { FILE *file = cls; (void) fseek (file, pos, SEEK_SET); return fread (buf, 1, max, file); } static void file_free_callback (void *cls) { FILE *file = cls; fclose (file); } /* HTTP access handler call back */ static enum MHD_Result http_ahc (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) { static int aptr; struct MHD_Response *response; enum MHD_Result ret; FILE *file; int fd; struct stat buf; (void) cls; /* Unused. Silent compiler warning. */ (void) version; /* Unused. Silent compiler warning. */ (void) upload_data; /* Unused. Silent compiler warning. */ (void) upload_data_size; /* Unused. Silent compiler warning. */ if (0 != strcmp (method, MHD_HTTP_METHOD_GET)) return MHD_NO; /* unexpected method */ if (&aptr != *ptr) { /* do never respond on first call */ *ptr = &aptr; return MHD_YES; } *ptr = NULL; /* reset when done */ file = fopen (&url[1], "rb"); if (NULL != file) { fd = fileno (file); if (-1 == fd) { (void) fclose (file); return MHD_NO; /* internal error */ } if ( (0 != fstat (fd, &buf)) || (! S_ISREG (buf.st_mode)) ) { /* not a regular file, refuse to serve */ fclose (file); file = NULL; } } if (NULL == file) { response = MHD_create_response_from_buffer (strlen (EMPTY_PAGE), (void *) EMPTY_PAGE, MHD_RESPMEM_PERSISTENT); ret = MHD_queue_response (connection, MHD_HTTP_NOT_FOUND, response); MHD_destroy_response (response); } else { response = MHD_create_response_from_callback (buf.st_size, 32 * 1024, /* 32k PAGE_NOT_FOUND size */ &file_reader, file, &file_free_callback); if (NULL == response) { fclose (file); return MHD_NO; } ret = MHD_queue_response (connection, MHD_HTTP_OK, response); MHD_destroy_response (response); } return ret; } int main (int argc, char *const *argv) { struct MHD_Daemon *TLS_daemon; int port; if (argc != 2) { printf ("%s PORT\n", argv[0]); return 1; } port = atoi (argv[1]); if ( (1 > port) || (port > UINT16_MAX) ) { fprintf (stderr, "Port must be a number between 1 and 65535\n"); return 1; } TLS_daemon = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG | MHD_USE_TLS, (uint16_t) port, NULL, NULL, &http_ahc, NULL, MHD_OPTION_CONNECTION_TIMEOUT, 256, MHD_OPTION_HTTPS_MEM_KEY, key_pem, MHD_OPTION_HTTPS_MEM_CERT, cert_pem, MHD_OPTION_END); if (NULL == TLS_daemon) { fprintf (stderr, "Error: failed to start TLS_daemon.\n"); return 1; } printf ("MHD daemon listening on port %u\n", (unsigned int) port); (void) getc (stdin); MHD_stop_daemon (TLS_daemon); return 0; }