X-Git-Url: http://wpitchoune.net/gitweb/?p=psensor-pkg-debian.git;a=blobdiff_plain;f=src%2Fserver%2Fserver.c;h=fb6b63c3826dc8c981fa3dfe992de40b37778d76;hp=c9492cb6c1538343dd2e865d92975a024ed414d4;hb=bd7036af56a4b61b2b473dccbeac5e26f78b57da;hpb=f055e7507526592d3a74c652f5f053701614c9c0 diff --git a/src/server/server.c b/src/server/server.c index c9492cb..fb6b63c 100644 --- a/src/server/server.c +++ b/src/server/server.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2012 jeanfi@gmail.com + * Copyright (C) 2010-2016 jeanfi@gmail.com * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -16,12 +16,14 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA */ +#define _LARGEFILE_SOURCE 1 +#include "config.h" + #include #include #define _(str) gettext(str) -#include "config.h" - +#include #include #include #include @@ -38,39 +40,49 @@ #ifdef HAVE_GTOP #include "sysinfo.h" -#include "cpu.h" +#include #endif +#include +#include +#include #include "psensor_json.h" +#include #include "url.h" -#include "p_io.h" #include "server.h" +#include "slog.h" + +static const char *DEFAULT_LOG_FILE = "/var/log/psensor-server.log"; + +#define HTML_STOP_REQUESTED \ +(_("

Server stop requested

")) static const char *program_name; -#define DEFAULT_PORT 3131 +static const int DEFAULT_PORT = 3131; #define PAGE_NOT_FOUND (_("

"\ "Page not found - Go to Main page

")) static struct option long_options[] = { - {"version", no_argument, 0, 'v'}, - {"help", no_argument, 0, 'h'}, - {"port", required_argument, 0, 'p'}, - {"wdir", required_argument, 0, 'w'}, - {"debug", no_argument, 0, 'd'}, - {0, 0, 0, 0} + {"version", no_argument, NULL, 'v'}, + {"help", no_argument, NULL, 'h'}, + {"port", required_argument, NULL, 'p'}, + {"wdir", required_argument, NULL, 'w'}, + {"debug", required_argument, NULL, 'd'}, + {"log-file", required_argument, NULL, 'l'}, + {"sensor-log-file", required_argument, NULL, 0}, + {"sensor-log-interval", required_argument, NULL, 0}, + {NULL, 0, NULL, 0} }; static struct server_data server_data; -static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; - -static int debug; +static pthread_mutex_t mutex; static int server_stop_requested; -void print_version() +static void print_version(void) { printf("psensor-server %s\n", VERSION); printf(_("Copyright (C) %s jeanfi@gmail.com\n" @@ -81,12 +93,12 @@ void print_version() "2010-2012"); } -void print_help() +static void print_help(void) { printf(_("Usage: %s [OPTION]...\n"), program_name); - puts(_("psensor-server is an HTTP server " - "for monitoring hardware sensors remotely.")); + puts(_("psensor-server is an HTTP server for monitoring hardware " + "sensors remotely.")); puts(""); puts("Options:"); @@ -94,22 +106,27 @@ void print_help() " -v, --version display version information and exit")); puts(""); - - puts(_(" -d,--debug run in debug mode\n" - " -p,--port=PORT webserver port\n" + puts(_(" -p,--port=PORT webserver port\n" " -w,--wdir=DIR directory containing webserver pages")); puts(""); + puts(_(" -d, --debug=LEVEL " + "set the debug level, integer between 0 and 3")); + puts(_(" -l, --log-file=PATH set the log file to PATH")); + puts(_(" --sensor-log-file=PATH set the sensor log file to PATH")); + puts(_(" --sensor-log-interval=S " + "set the sensor log interval to S (seconds)")); + puts(""); printf(_("Report bugs to: %s\n"), PACKAGE_BUGREPORT); puts(""); printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL); } /* - Returns the file path corresponding to a given URL -*/ -char *get_path(const char *url, const char *www_dir) + * Returns the file path corresponding to a given URL + */ +static char *get_path(const char *url, const char *www_dir) { const char *p; char *res; @@ -137,50 +154,48 @@ file_reader(void *cls, uint64_t pos, char *buf, int max) { FILE *file = cls; - fseek(file, pos, SEEK_SET); + fseeko(file, pos, SEEK_SET); return fread(buf, 1, max, file); } -struct MHD_Response * -create_response_api(const char *nurl, - const char *method, - unsigned int *rp_code) +static struct MHD_Response * +create_response_api(const char *nurl, const char *method, unsigned int *rp_code) { struct MHD_Response *resp; struct psensor *s; char *page = NULL; - if (!strcmp(nurl, URL_BASE_API_1_0_SENSORS)) { + if (!strcmp(nurl, URL_BASE_API_1_1_SENSORS)) { page = sensors_to_json_string(server_data.sensors); #ifdef HAVE_GTOP - } else if (!strcmp(nurl, URL_API_1_0_SYSINFO)) { + } else if (!strcmp(nurl, URL_API_1_1_SYSINFO)) { page = sysinfo_to_json_string(&server_data.psysinfo); - } else if (!strcmp(nurl, URL_API_1_0_CPU_USAGE)) { + } else if (!strcmp(nurl, URL_API_1_1_CPU_USAGE)) { page = sensor_to_json_string(server_data.cpu_usage); #endif - } else if (!strncmp(nurl, URL_BASE_API_1_0_SENSORS, - strlen(URL_BASE_API_1_0_SENSORS)) - && nurl[strlen(URL_BASE_API_1_0_SENSORS)] == '/') { + } else if (!strncmp(nurl, URL_BASE_API_1_1_SENSORS, + strlen(URL_BASE_API_1_1_SENSORS)) + && nurl[strlen(URL_BASE_API_1_1_SENSORS)] == '/') { - const char *sid = nurl + strlen(URL_BASE_API_1_0_SENSORS) + 1; + const char *sid = nurl + strlen(URL_BASE_API_1_1_SENSORS) + 1; s = psensor_list_get_by_id(server_data.sensors, sid); if (s) page = sensor_to_json_string(s); - } else if (debug && !strcmp(nurl, URL_API_1_0_SERVER_STOP)) { + } else if (!strcmp(nurl, URL_API_1_1_SERVER_STOP)) { server_stop_requested = 1; - page = strdup(_("

" - "Server stop requested

")); + page = strdup(HTML_STOP_REQUESTED); } if (page) { *rp_code = MHD_HTTP_OK; - resp = MHD_create_response_from_data(strlen(page), page, - MHD_YES, MHD_NO); + resp = MHD_create_response_from_buffer(strlen(page), + page, + MHD_RESPMEM_MUST_FREE); MHD_add_response_header(resp, MHD_HTTP_HEADER_CONTENT_TYPE, "application/json"); @@ -191,11 +206,10 @@ create_response_api(const char *nurl, return NULL; } -struct MHD_Response * -create_response_file(const char *nurl, - const char *method, - unsigned int *rp_code, - const char *fpath) +static struct MHD_Response *create_response_file(const char *nurl, + const char *method, + unsigned int *rp_code, + const char *fpath) { struct stat st; int ret; @@ -211,8 +225,8 @@ create_response_file(const char *nurl, if (!st.st_size) { fclose(file); - return MHD_create_response_from_data - (0, NULL, MHD_NO, MHD_NO); + return MHD_create_response_from_buffer + (0, NULL, 0); } return MHD_create_response_from_callback @@ -223,47 +237,82 @@ create_response_file(const char *nurl, (MHD_ContentReaderFreeCallback)&fclose); } else { - log_printf(LOG_ERR, "Failed to open: %s\n", fpath); + log_err("Failed to open: %s.", fpath); } } return NULL; } -struct MHD_Response * +static int is_access_allowed(char *path) +{ + char *rpath; + int n, ret; + + rpath = realpath(path, NULL); + if (rpath) { + n = strlen(server_data.www_dir); + if (!strncmp(server_data.www_dir, rpath, n) + || !strcmp(rpath, + "/usr/share/javascript/jquery/jquery.js")) { + ret = 1; + } else { + ret = 0; + + log_err(_("Resource access refused %s real path is %s"), + path, + rpath); + } + + free(rpath); + } else { + log_err(_("Cannot get real path of %s"), path); + + ret = 0; + } + + return ret; +} + +static struct MHD_Response * create_response(const char *nurl, const char *method, unsigned int *rp_code) { + char *page, *fpath; struct MHD_Response *resp = NULL; - if (!strncmp(nurl, URL_BASE_API_1_0, strlen(URL_BASE_API_1_0))) { + if (!strncmp(nurl, URL_BASE_API_1_1, strlen(URL_BASE_API_1_1))) { resp = create_response_api(nurl, method, rp_code); } else { - char *fpath = get_path(nurl, server_data.www_dir); + fpath = get_path(nurl, server_data.www_dir); - resp = create_response_file(nurl, method, rp_code, fpath); + if (is_access_allowed(fpath)) + resp = create_response_file(nurl, + method, + rp_code, + fpath); free(fpath); } - if (resp) { + if (resp) return resp; - } else { - char *page = strdup(PAGE_NOT_FOUND); - *rp_code = MHD_HTTP_NOT_FOUND; - return MHD_create_response_from_data - (strlen(page), page, MHD_YES, MHD_NO); - } + page = strdup(PAGE_NOT_FOUND); + *rp_code = MHD_HTTP_NOT_FOUND; + + return MHD_create_response_from_buffer(strlen(page), + page, + MHD_RESPMEM_MUST_FREE); } -static int -cbk_http_request(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 cbk_http_request(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 dummy; struct MHD_Response *response; @@ -276,7 +325,8 @@ cbk_http_request(void *cls, if (&dummy != *ptr) { /* The first time only the headers are valid, do not - respond in the first round... */ + * respond in the first round... + */ *ptr = &dummy; return MHD_YES; } @@ -286,14 +336,13 @@ cbk_http_request(void *cls, *ptr = NULL; /* clear context pointer */ - if (debug) - printf(_("HTTP Request: %s\n"), url); + log_debug(_("HTTP Request: %s"), url); nurl = url_normalize(url); - pthread_mutex_lock(&mutex); + pmutex_lock(&mutex); response = create_response(nurl, method, &resp_code); - pthread_mutex_unlock(&mutex); + pmutex_unlock(&mutex); ret = MHD_queue_response(connection, resp_code, response); MHD_destroy_response(response); @@ -306,9 +355,8 @@ cbk_http_request(void *cls, int main(int argc, char *argv[]) { struct MHD_Daemon *d; - int port = DEFAULT_PORT; - int optc; - int cmdok = 1; + int port, opti, optc, cmdok, ret, slog_interval; + char *log_file, *slog_file; program_name = argv[0]; @@ -319,15 +367,25 @@ int main(int argc, char *argv[]) textdomain(PACKAGE); #endif - server_data.www_dir = DEFAULT_WWW_DIR; + server_data.www_dir = NULL; +#ifdef HAVE_GTOP server_data.psysinfo.interfaces = NULL; - - while ((optc = getopt_long(argc, argv, - "vhp:w:d", long_options, NULL)) != -1) { +#endif + log_file = NULL; + slog_file = NULL; + slog_interval = 300; + port = DEFAULT_PORT; + cmdok = 1; + + while ((optc = getopt_long(argc, + argv, + "vhp:w:d:l:", + long_options, + &opti)) != -1) { switch (optc) { case 'w': if (optarg) - server_data.www_dir = strdup(optarg); + server_data.www_dir = realpath(optarg, NULL); break; case 'p': if (optarg) @@ -340,7 +398,19 @@ int main(int argc, char *argv[]) print_version(); exit(EXIT_SUCCESS); case 'd': - debug = 1; + log_level = atoi(optarg); + log_info(_("Enables debug mode: %d"), log_level); + break; + case 'l': + if (optarg) + log_file = strdup(optarg); + break; + case 0: + if (!strcmp(long_options[opti].name, "sensor-log-file")) + slog_file = strdup(optarg); + else if (!strcmp(long_options[opti].name, + "sensor-log-interval")) + slog_interval = atoi(optarg); break; default: cmdok = 0; @@ -354,43 +424,81 @@ int main(int argc, char *argv[]) exit(EXIT_FAILURE); } - psensor_init(); + if (!server_data.www_dir) { + server_data.www_dir = realpath(DEFAULT_WWW_DIR, NULL); + if (!server_data.www_dir) { + fprintf(stderr, + _("Webserver directory does not exist.\n")); + exit(EXIT_FAILURE); + } + } + + if (!log_file) + log_file = strdup(DEFAULT_LOG_FILE); - server_data.sensors = get_all_sensors(600); + pmutex_init(&mutex); + + log_open(log_file); + + hddtemp_psensor_list_append(&server_data.sensors, 600); + + lmsensor_psensor_list_append(&server_data.sensors, 600); #ifdef HAVE_GTOP server_data.cpu_usage = create_cpu_usage_sensor(600); #endif - if (!*server_data.sensors) - fprintf(stderr, _("ERROR: no sensors detected\n")); + if (!server_data.sensors || !*server_data.sensors) + log_err(_("No sensors detected.")); d = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION, port, NULL, NULL, &cbk_http_request, server_data.sensors, MHD_OPTION_END); if (!d) { - fprintf(stderr, _("ERROR: Fail to create web server\n")); + log_err(_("Failed to create Web server.")); exit(EXIT_FAILURE); } - log_printf(LOG_INFO, _("Web server started on port: %d"), port); - log_printf(LOG_INFO, _("WWW directory: %s"), server_data.www_dir); - log_printf(LOG_INFO, _("URL: http://localhost:%d"), port); + log_info(_("Web server started on port: %d"), port); + log_info(_("WWW directory: %s"), server_data.www_dir); + log_info(_("URL: http://localhost:%d"), port); + + if (slog_file) { + if (slog_interval <= 0) + slog_interval = 300; + ret = slog_activate(slog_file, + server_data.sensors, + &mutex, + slog_interval); + if (!ret) + log_err(_("Failed to activate logging of sensors.")); + } while (!server_stop_requested) { - pthread_mutex_lock(&mutex); + pmutex_lock(&mutex); #ifdef HAVE_GTOP sysinfo_update(&server_data.psysinfo); cpu_usage_sensor_update(server_data.cpu_usage); #endif - psensor_list_update_measures(server_data.sensors); - pthread_mutex_unlock(&mutex); +#ifdef HAVE_ATASMART + atasmart_psensor_list_update(server_data.sensors); +#endif + + hddtemp_psensor_list_update(server_data.sensors); + + lmsensor_psensor_list_update(server_data.sensors); + + psensor_log_measures(server_data.sensors); + + pmutex_unlock(&mutex); sleep(5); } + slog_close(); + MHD_stop_daemon(d); /* sanity cleanup for valgrind */ @@ -399,12 +507,14 @@ int main(int argc, char *argv[]) psensor_free(server_data.cpu_usage); #endif free(server_data.www_dir); - sensors_cleanup(); + lmsensor_cleanup(); #ifdef HAVE_GTOP sysinfo_cleanup(); - cpu_cleanup(); #endif + if (log_file != DEFAULT_LOG_FILE) + free(log_file); + return EXIT_SUCCESS; }