diff options
| -rw-r--r-- | src/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/afb-config.c | 527 | ||||
| -rw-r--r-- | src/afb-config.h | 74 | ||||
| -rw-r--r-- | src/main.c | 793 |
4 files changed, 752 insertions, 643 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 0fcfba67..5dbd4cc3 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -56,6 +56,7 @@ ADD_LIBRARY(afb-lib STATIC afb-api-ws.c afb-apis.c afb-common.c + afb-config.c afb-context.c afb-evt.c afb-hook.c diff --git a/src/afb-config.c b/src/afb-config.c new file mode 100644 index 00000000..bd9a4344 --- /dev/null +++ b/src/afb-config.c @@ -0,0 +1,527 @@ +/* + * Copyright (C) 2015, 2016, 2017 "IoT.bzh" + * Author José Bollo <jose.bollo@iot.bzh> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define _GNU_SOURCE +#define NO_BINDING_VERBOSE_MACRO + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <getopt.h> +#include <limits.h> + +#include "verbose.h" +#include "afb-config.h" +#include "afb-hook.h" + +#include <afb/afb-binding.h> + +#if !defined(BINDING_INSTALL_DIR) +#error "you should define BINDING_INSTALL_DIR" +#endif + +#define AFB_VERSION "0.5" + +// default +#define DEFLT_CNTX_TIMEOUT 3600 // default Client Connection + // Timeout +#define DEFLT_API_TIMEOUT 20 // default Plugin API Timeout [0=NoLimit + // for Debug Only] +#define DEFLT_CACHE_TIMEOUT 100000 // default Static File Chache + // [Client Side Cache + // 100000~=1day] +#define DEFLT_AUTH_TOKEN NULL // expect for debug should == NULL +#define CTX_NBCLIENTS 10 // allow a default of 10 authenticated + // clients + + +// Define command line option +#define SET_VERBOSE 1 +#define SET_BACKGROUND 2 +#define SET_FORGROUND 3 + +#define SET_TCP_PORT 5 +#define SET_ROOT_DIR 6 +#define SET_ROOT_BASE 7 +#define SET_ROOT_API 8 +#define SET_ALIAS 9 + +#define SET_CACHE_TIMEOUT 10 +#define SET_SESSION_DIR 11 + +#define SET_AUTH_TOKEN 12 +#define SET_LDPATH 13 +#define SET_APITIMEOUT 14 +#define SET_CNTXTIMEOUT 15 + +#define DISPLAY_VERSION 16 +#define DISPLAY_HELP 17 + +#define SET_MODE 18 +#define SET_READYFD 19 + +#define DBUS_CLIENT 20 +#define DBUS_SERVICE 21 +#define SO_BINDING 22 + +#define SET_SESSIONMAX 23 + +#define WS_CLIENT 24 +#define WS_SERVICE 25 + +#define SET_ROOT_HTTP 26 + +#define SET_TRACEREQ 27 + +// Command line structure hold cli --command + help text +typedef struct { + int val; // command number within application + int has_arg; // command number within application + char *name; // command as used in --xxxx cli + char *help; // help text +} AFB_options; + +// Supported option +static AFB_options cliOptions[] = { +/* *INDENT-OFF* */ + {SET_VERBOSE, 0, "verbose", "Verbose Mode, repeat to increase verbosity"}, + + {SET_FORGROUND, 0, "foreground", "Get all in foreground mode"}, + {SET_BACKGROUND, 0, "daemon", "Get all in background mode"}, + + {SET_TCP_PORT, 1, "port", "HTTP listening TCP port [default 1234]"}, + {SET_ROOT_DIR, 1, "rootdir", "Root Directory [default $HOME/.AFB]"}, + {SET_ROOT_HTTP, 1, "roothttp", "HTTP Root Directory [default rootdir]"}, + {SET_ROOT_BASE, 1, "rootbase", "Angular Base Root URL [default /opa]"}, + {SET_ROOT_API, 1, "rootapi", "HTML Root API URL [default /api]"}, + {SET_ALIAS, 1, "alias", "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"}, + + {SET_APITIMEOUT, 1, "apitimeout", "Binding API timeout in seconds [default 10]"}, + {SET_CNTXTIMEOUT, 1, "cntxtimeout", "Client Session Context Timeout [default 900]"}, + {SET_CACHE_TIMEOUT, 1, "cache-eol", "Client cache end of live [default 3600]"}, + + {SET_SESSION_DIR, 1, "sessiondir", "Sessions file path [default rootdir/sessions]"}, + + {SET_LDPATH, 1, "ldpaths", "Load bindingss from dir1:dir2:... [default = " BINDING_INSTALL_DIR "]"}, + {SET_AUTH_TOKEN, 1, "token", "Initial Secret [default=no-session, --token= for session without authentication]"}, + + {DISPLAY_VERSION, 0, "version", "Display version and copyright"}, + {DISPLAY_HELP, 0, "help", "Display this help"}, + + {SET_MODE, 1, "mode", "Set the mode: either local, remote or global"}, + {SET_READYFD, 1, "readyfd", "Set the #fd to signal when ready"}, + + {DBUS_CLIENT, 1, "dbus-client", "Bind to an afb service through dbus"}, + {DBUS_SERVICE, 1, "dbus-server", "Provides an afb service through dbus"}, + {WS_CLIENT, 1, "ws-client", "Bind to an afb service through websocket"}, + {WS_SERVICE, 1, "ws-server", "Provides an afb service through websockets"}, + {SO_BINDING, 1, "binding", "Load the binding of path"}, + + {SET_SESSIONMAX, 1, "session-max", "Max count of session simultaneously [default 10]"}, + + {SET_TRACEREQ, 1, "tracereq", "Log the requests: no, common, extra, all"}, + + {0, 0, NULL, NULL} +/* *INDENT-ON* */ +}; + + +struct enumdesc +{ + const char *name; + int value; +}; + +static struct enumdesc tracereq_desc[] = { + { "no", 0 }, + { "common", afb_hook_flags_req_common }, + { "extra", afb_hook_flags_req_extra }, + { "all", afb_hook_flags_req_all }, + { NULL, 0 } +}; + +static struct enumdesc mode_desc[] = { + { "local", AFB_MODE_LOCAL }, + { "remote", AFB_MODE_REMOTE }, + { "global", AFB_MODE_GLOBAL }, + { NULL, 0 } +}; + +/*---------------------------------------------------------- + | printversion + | print version and copyright + +--------------------------------------------------------- */ +static void printVersion(FILE * file) +{ + fprintf(file, "\n----------------------------------------- \n"); + fprintf(file, " AFB [Application Framework Binder] version=%s |\n", + AFB_VERSION); + fprintf(file, " \n"); + fprintf(file, + " Copyright (C) 2015, 2016, 2017 \"IoT.bzh\" [fulup -at- iot.bzh]\n"); + fprintf(file, " AFB comes with ABSOLUTELY NO WARRANTY.\n"); + fprintf(file, " Licence Apache 2\n\n"); + exit(0); +} + +/*---------------------------------------------------------- + | printHelp + | print information from long option array + +--------------------------------------------------------- */ + +static void printHelp(FILE * file, const char *name) +{ + int ind; + char command[50]; + + fprintf(file, "%s:\nallowed options\n", name); + for (ind = 0; cliOptions[ind].name != NULL; ind++) { + strcpy(command, cliOptions[ind].name); + if (cliOptions[ind].has_arg) + strcat(command, "=xxxx"); + fprintf(file, " --%-15s %s\n", command, cliOptions[ind].help); + } + fprintf(file, + "Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/bindings:/usr/lib64/agl/bindings\n", + name); +} + +// load config from disk and merge with CLI option +static void config_set_default(struct afb_config *config) +{ + // default HTTP port + if (config->httpdPort == 0) + config->httpdPort = 1234; + + // default binding API timeout + if (config->apiTimeout == 0) + config->apiTimeout = DEFLT_API_TIMEOUT; + + // default AUTH_TOKEN + if (config->token == NULL) + config->token = DEFLT_AUTH_TOKEN; + + // cache timeout default one hour + if (config->cacheTimeout == 0) + config->cacheTimeout = DEFLT_CACHE_TIMEOUT; + + // cache timeout default one hour + if (config->cntxTimeout == 0) + config->cntxTimeout = DEFLT_CNTX_TIMEOUT; + + // max count of sessions + if (config->nbSessionMax == 0) + config->nbSessionMax = CTX_NBCLIENTS; + + if (config->rootdir == NULL) { + config->rootdir = getenv("AFBDIR"); + if (config->rootdir == NULL) { + config->rootdir = malloc(512); + strncpy(config->rootdir, getenv("HOME"), 512); + strncat(config->rootdir, "/.AFB", 512); + } + } + // if no Angular/HTML5 rootbase let's try '/' as default + if (config->rootbase == NULL) + config->rootbase = "/opa"; + + if (config->rootapi == NULL) + config->rootapi = "/api"; + + if (config->ldpaths == NULL) + config->ldpaths = BINDING_INSTALL_DIR; + + // if no session dir create a default path from rootdir + if (config->sessiondir == NULL) { + config->sessiondir = malloc(512); + strncpy(config->sessiondir, config->rootdir, 512); + strncat(config->sessiondir, "/sessions", 512); + } + // if no config dir create a default path from sessiondir + if (config->console == NULL) { + config->console = malloc(512); + strncpy(config->console, config->sessiondir, 512); + strncat(config->console, "/AFB-console.out", 512); + } +} + +/*--------------------------------------------------------- + | main + | Parse option and launch action + +--------------------------------------------------------- */ + +static void list_add(struct afb_config_list **head, char *value) +{ + struct afb_config_list *item; + + /* + * search tail + */ + item = *head; + while (item != NULL) { + head = &item->next; + item = item->next; + } + + /* + * alloc the item + */ + item = malloc(sizeof *item); + if (item == NULL) { + ERROR("out of memory"); + exit(1); + } + + /* + * init the item + */ + *head = item; + item->value = value; + item->next = NULL; +} + +static char *argvalstr(int index) +{ + if (optarg == 0) { + ERROR("option [--%s] needs a value i.e. --%s=xxx", + cliOptions[index].name, cliOptions[index].name); + exit(1); + } + return optarg; +} + +static int argvalenum(int index, struct enumdesc *desc) +{ + int i; + size_t len; + char *list, *name = argvalstr(index); + + i = 0; + while(desc[i].name && strcmp(desc[i].name, name)) + i++; + if (!desc[i].name) { + len = 0; + i = 0; + while(desc[i].name) + len += strlen(desc[i++].name); + list = malloc(len + i + i); + if (!i || !list) + ERROR("option [--%s] bad value (found %s)", + cliOptions[index].name, name); + else { + i = 0; + strcpy(list, desc[i].name ? : ""); + while(desc[++i].name) + strcat(strcat(list, ", "), desc[i].name); + ERROR("option [--%s] bad value, only accepts values %s (found %s)", + cliOptions[index].name, list, name); + } + free(list); + exit(1); + } + return desc[i].value; +} + +static int argvalint(int index, int mini, int maxi, int base) +{ + char *beg, *end; + long int val; + beg = argvalstr(index); + val = strtol(beg, &end, base); + if (*end || end == beg) { + ERROR("option [--%s] requires a valid integer (found %s)", + cliOptions[index].name, beg); + exit(1); + } + if (val < (long int)mini || val > (long int)maxi) { + ERROR("option [--%s] value out of bounds (not %d<=%ld<=%d)", + cliOptions[index].name, mini, val, maxi); + exit(1); + } + return (int)val; +} + +static int argvalintdec(int index, int mini, int maxi) +{ + return argvalint(index, mini, maxi, 10); +} + +static void noarg(int index) +{ + if (optarg != 0) { + ERROR("option [--%s] need no value (found %s)", cliOptions[index].name, optarg); + exit(1); + } +} + +static void parse_arguments(int argc, char **argv, struct afb_config *config) +{ + char *programName = argv[0]; + int optionIndex = 0; + int optc, ind; + int nbcmd; + struct option *gnuOptions; + + // ------------------ Process Command Line ----------------------- + + // if no argument print help and return + if (argc < 2) { + printHelp(stderr, programName); + exit(1); + } + // build GNU getopt info from cliOptions + nbcmd = sizeof(cliOptions) / sizeof(AFB_options); + gnuOptions = malloc(sizeof(*gnuOptions) * (unsigned)nbcmd); + for (ind = 0; ind < nbcmd; ind++) { + gnuOptions[ind].name = cliOptions[ind].name; + gnuOptions[ind].has_arg = cliOptions[ind].has_arg; + gnuOptions[ind].flag = 0; + gnuOptions[ind].val = cliOptions[ind].val; + } + + // get all options from command line + while ((optc = + getopt_long(argc, argv, "vsp?", gnuOptions, &optionIndex)) + != EOF) { + switch (optc) { + case SET_VERBOSE: + verbosity++; + break; + + case SET_TCP_PORT: + config->httpdPort = argvalintdec(optionIndex, 1024, 32767); + break; + + case SET_APITIMEOUT: + config->apiTimeout = argvalintdec(optionIndex, 0, INT_MAX); + break; + + case SET_CNTXTIMEOUT: + config->cntxTimeout = argvalintdec(optionIndex, 0, INT_MAX); + break; + + case SET_ROOT_DIR: + config->rootdir = argvalstr(optionIndex); + INFO("Forcing Rootdir=%s", config->rootdir); + break; + + case SET_ROOT_HTTP: + config->roothttp = argvalstr(optionIndex); + INFO("Forcing Root HTTP=%s", config->roothttp); + break; + + case SET_ROOT_BASE: + config->rootbase = argvalstr(optionIndex); + INFO("Forcing Rootbase=%s", config->rootbase); + break; + + case SET_ROOT_API: + config->rootapi = argvalstr(optionIndex); + INFO("Forcing Rootapi=%s", config->rootapi); + break; + + case SET_ALIAS: + list_add(&config->aliases, argvalstr(optionIndex)); + break; + + case SET_AUTH_TOKEN: + config->token = argvalstr(optionIndex); + break; + + case SET_LDPATH: + config->ldpaths = argvalstr(optionIndex); + break; + + case SET_SESSION_DIR: + config->sessiondir = argvalstr(optionIndex); + break; + + case SET_CACHE_TIMEOUT: + config->cacheTimeout = argvalintdec(optionIndex, 0, INT_MAX); + break; + + case SET_SESSIONMAX: + config->nbSessionMax = argvalintdec(optionIndex, 1, INT_MAX); + break; + + case SET_FORGROUND: + noarg(optionIndex); + config->background = 0; + break; + + case SET_BACKGROUND: + noarg(optionIndex); + config->background = 1; + break; + + case SET_MODE: + config->mode = argvalenum(optionIndex, mode_desc); + break; + + case SET_READYFD: + config->readyfd = argvalintdec(optionIndex, 0, INT_MAX); + break; + + case DBUS_CLIENT: + list_add(&config->dbus_clients, argvalstr(optionIndex)); + break; + + case DBUS_SERVICE: + list_add(&config->dbus_servers, argvalstr(optionIndex)); + break; + + case WS_CLIENT: + list_add(&config->ws_clients, argvalstr(optionIndex)); + break; + + case WS_SERVICE: + list_add(&config->ws_servers, argvalstr(optionIndex)); + break; + + case SO_BINDING: + list_add(&config->so_bindings, argvalstr(optionIndex)); + break; + + case SET_TRACEREQ: + config->tracereq = argvalenum(optionIndex, tracereq_desc); + break; + + case DISPLAY_VERSION: + noarg(optionIndex); + printVersion(stdout); + break; + + case DISPLAY_HELP: + default: + printHelp(stdout, programName); + exit(0); + } + } + free(gnuOptions); + + config_set_default(config); +} + +struct afb_config *afb_config_parse_arguments(int argc, char **argv) +{ + struct afb_config *result; + + result = calloc(1, sizeof *result); + + parse_arguments(argc, argv, result); + return result; +} diff --git a/src/afb-config.h b/src/afb-config.h index 7bbad4df..d963633b 100644 --- a/src/afb-config.h +++ b/src/afb-config.h @@ -16,51 +16,43 @@ #pragma once -/* other definitions --------------------------------------------------- */ - -// Note: because of a bug in libmagic MAGIC_DB NULL should not be used for default -#define MAX_ALIAS 10 // max number of aliases - -#define DEFLT_CNTX_TIMEOUT 3600 // default Client Connection Timeout -#define DEFLT_API_TIMEOUT 20 // default Plugin API Timeout [0=NoLimit for Debug Only] -#define DEFLT_CACHE_TIMEOUT 100000 // default Static File Chache [Client Side Cache 100000~=1day] -#define DEFLT_AUTH_TOKEN NULL // expect for debug should == NULL -#define DEFLT_HTTP_TIMEOUT 15 // Max MibMicroHttp timeout - -#define CTX_NBCLIENTS 10 // allow a default of 10 authenticated clients +/* + * other definitions --------------------------------------------------- + */ -struct afb_config_item -{ - struct afb_config_item *previous; - int kind; +struct afb_config_list { + struct afb_config_list *next; char *value; }; // main config structure -struct afb_config -{ - char *console; // console device name (can be a file or a tty) - int httpdPort; - char *ldpaths; // list of plugins directories - char *rootdir; // base dir for files - char *roothttp; // directory for http files - char *rootbase; // Angular HTML5 base URL - char *rootapi; // Base URL for REST APIs - char *sessiondir; // where to store mixer session files - char *token; // initial authentication token [default NULL no session] - int background; // run in backround mode - int readyfd; // a #fd to signal when ready to serve - int cacheTimeout; - int apiTimeout; - int cntxTimeout; // Client Session Context timeout - int nbSessionMax; // max count of sessions - int mode; // mode of listening - int aliascount; - int tracereq; - struct afb_config_item *items; - struct { - char *url; - char *path; - } aliasdir[MAX_ALIAS]; // alias mapping for icons,apps,... +struct afb_config { + char *console; // console device name (can be a file or a + // tty) + int httpdPort; + char *ldpaths; // list of plugins directories + char *rootdir; // base dir for files + char *roothttp; // directory for http files + char *rootbase; // Angular HTML5 base URL + char *rootapi; // Base URL for REST APIs + char *sessiondir; // where to store mixer session files + char *token; // initial authentication token [default + // NULL no session] + int background; // run in backround mode + int readyfd; // a #fd to signal when ready to serve + int cacheTimeout; + int apiTimeout; + int cntxTimeout; // Client Session Context timeout + int nbSessionMax; // max count of sessions + int mode; // mode of listening + int aliascount; + int tracereq; + struct afb_config_list *aliases; + struct afb_config_list *dbus_clients; + struct afb_config_list *dbus_servers; + struct afb_config_list *ws_clients; + struct afb_config_list *ws_servers; + struct afb_config_list *so_bindings; }; +extern struct afb_config *afb_config_parse_arguments(int argc, char **argv); @@ -25,7 +25,6 @@ #include <unistd.h> #include <fcntl.h> #include <sys/stat.h> -#include <getopt.h> #include <systemd/sd-event.h> @@ -47,428 +46,48 @@ #include <afb/afb-binding.h> -#if !defined(BINDING_INSTALL_DIR) -#error "you should define BINDING_INSTALL_DIR" -#endif - -#define TRACEREQ_NO 0 -#define TRACEREQ_COMMON 1 -#define TRACEREQ_EXTRA 2 -#define TRACEREQ_ALL 3 - -#define AFB_VERSION "0.5" - -// Define command line option -#define SET_VERBOSE 1 -#define SET_BACKGROUND 2 -#define SET_FORGROUND 3 - -#define SET_TCP_PORT 5 -#define SET_ROOT_DIR 6 -#define SET_ROOT_BASE 7 -#define SET_ROOT_API 8 -#define SET_ALIAS 9 - -#define SET_CACHE_TIMEOUT 10 -#define SET_SESSION_DIR 11 - -#define SET_AUTH_TOKEN 12 -#define SET_LDPATH 13 -#define SET_APITIMEOUT 14 -#define SET_CNTXTIMEOUT 15 - -#define DISPLAY_VERSION 16 -#define DISPLAY_HELP 17 - -#define SET_MODE 18 -#define SET_READYFD 19 - -#define DBUS_CLIENT 20 -#define DBUS_SERVICE 21 -#define SO_BINDING 22 - -#define SET_SESSIONMAX 23 - -#define WS_CLIENT 24 -#define WS_SERVICE 25 - -#define SET_ROOT_HTTP 26 - -#define SET_TRACEREQ 27 - -// Command line structure hold cli --command + help text -typedef struct { - int val; // command number within application - int has_arg; // command number within application - char *name; // command as used in --xxxx cli - char *help; // help text -} AFB_options; - - -// Supported option -static AFB_options cliOptions [] = { - {SET_VERBOSE ,0,"verbose" , "Verbose Mode, repeat to increase verbosity"}, - - {SET_FORGROUND ,0,"foreground" , "Get all in foreground mode"}, - {SET_BACKGROUND ,0,"daemon" , "Get all in background mode"}, - - {SET_TCP_PORT ,1,"port" , "HTTP listening TCP port [default 1234]"}, - {SET_ROOT_DIR ,1,"rootdir" , "Root Directory [default $HOME/.AFB]"}, - {SET_ROOT_HTTP ,1,"roothttp" , "HTTP Root Directory [default rootdir]"}, - {SET_ROOT_BASE ,1,"rootbase" , "Angular Base Root URL [default /opa]"}, - {SET_ROOT_API ,1,"rootapi" , "HTML Root API URL [default /api]"}, - {SET_ALIAS ,1,"alias" , "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"}, - - {SET_APITIMEOUT ,1,"apitimeout" , "Binding API timeout in seconds [default 10]"}, - {SET_CNTXTIMEOUT ,1,"cntxtimeout" , "Client Session Context Timeout [default 900]"}, - {SET_CACHE_TIMEOUT,1,"cache-eol" , "Client cache end of live [default 3600]"}, - - {SET_SESSION_DIR ,1,"sessiondir" , "Sessions file path [default rootdir/sessions]"}, - - {SET_LDPATH ,1,"ldpaths" , "Load bindingss from dir1:dir2:... [default = "BINDING_INSTALL_DIR"]"}, - {SET_AUTH_TOKEN ,1,"token" , "Initial Secret [default=no-session, --token="" for session without authentication]"}, - - {DISPLAY_VERSION ,0,"version" , "Display version and copyright"}, - {DISPLAY_HELP ,0,"help" , "Display this help"}, - - {SET_MODE ,1,"mode" , "set the mode: either local, remote or global"}, - {SET_READYFD ,1,"readyfd" , "set the #fd to signal when ready"}, - - {DBUS_CLIENT ,1,"dbus-client" , "bind to an afb service through dbus"}, - {DBUS_SERVICE ,1,"dbus-server" , "provides an afb service through dbus"}, - {WS_CLIENT ,1,"ws-client" , "bind to an afb service through websocket"}, - {WS_SERVICE ,1,"ws-server" , "provides an afb service through websockets"}, - {SO_BINDING ,1,"binding" , "load the binding of path"}, - - {SET_SESSIONMAX ,1,"session-max" , "max count of session simultaneously [default 10]"}, - - {SET_TRACEREQ ,1,"tracereq" , "log the requests: no, common, extra, all"}, - - {0, 0, NULL, NULL} - }; - -/*---------------------------------------------------------- - | printversion - | print version and copyright - +--------------------------------------------------------- */ -static void printVersion (FILE *file) -{ - fprintf(file, "\n----------------------------------------- \n"); - fprintf(file, " AFB [Application Framework Binder] version=%s |\n", AFB_VERSION); - fprintf(file, " \n"); - fprintf(file, " Copyright (C) 2015, 2016, 2017 \"IoT.bzh\" [fulup -at- iot.bzh]\n"); - fprintf(file, " AFB comes with ABSOLUTELY NO WARRANTY.\n"); - fprintf(file, " Licence Apache 2\n\n"); - exit (0); -} - /*---------------------------------------------------------- - | printHelp - | print information from long option array + | helpers for handling list of arguments +--------------------------------------------------------- */ -static void printHelp(FILE *file, const char *name) +/* + * Calls the callback 'run' for each value of the 'list' + * until the callback returns 0 or the end of the list is reached. + * Returns either NULL if the end of the list is reached or a pointer + * to the item whose value made 'run' return 0. + * 'closure' is used for passing user data. + */ +static struct afb_config_list *run_for_list(struct afb_config_list *list, + int (*run) (void *closure, char *value), + void *closure) { - int ind; - char command[50]; - - fprintf (file, "%s:\nallowed options\n", name); - for (ind=0; cliOptions [ind].name != NULL;ind++) - { - // display options - if (cliOptions [ind].has_arg == 0 ) - { - fprintf (file, " --%-15s %s\n", cliOptions [ind].name, cliOptions[ind].help); - } else { - sprintf(command, "%s=xxxx", cliOptions [ind].name); - fprintf (file, " --%-15s %s\n", command, cliOptions[ind].help); - } - } - fprintf (file, "Example:\n %s\\\n --verbose --port=1234 --token='azerty' --ldpaths=build/bindings:/usr/lib64/agl/bindings\n", name); + while (list && run(closure, list->value)) + list = list->next; + return list; } -// load config from disk and merge with CLI option -static void config_set_default (struct afb_config * config) +static int run_start(void *closure, char *value) { - // default HTTP port - if (config->httpdPort == 0) - config->httpdPort = 1234; - - // default binding API timeout - if (config->apiTimeout == 0) - config->apiTimeout = DEFLT_API_TIMEOUT; - - // default AUTH_TOKEN - if (config->token == NULL) - config->token = DEFLT_AUTH_TOKEN; - - // cache timeout default one hour - if (config->cacheTimeout == 0) - config->cacheTimeout = DEFLT_CACHE_TIMEOUT; - - // cache timeout default one hour - if (config->cntxTimeout == 0) - config->cntxTimeout = DEFLT_CNTX_TIMEOUT; - - // max count of sessions - if (config->nbSessionMax == 0) - config->nbSessionMax = CTX_NBCLIENTS; - - if (config->rootdir == NULL) { - config->rootdir = getenv("AFBDIR"); - if (config->rootdir == NULL) { - config->rootdir = malloc (512); - strncpy (config->rootdir, getenv("HOME"),512); - strncat (config->rootdir, "/.AFB",512); - } - // if directory does not exist createit - mkdir (config->rootdir, O_RDWR | S_IRWXU | S_IRGRP); - } - - // if no Angular/HTML5 rootbase let's try '/' as default - if (config->rootbase == NULL) - config->rootbase = "/opa"; - - if (config->rootapi == NULL) - config->rootapi = "/api"; - - if (config->ldpaths == NULL) - config->ldpaths = BINDING_INSTALL_DIR; - - // if no session dir create a default path from rootdir - if (config->sessiondir == NULL) { - config->sessiondir = malloc (512); - strncpy (config->sessiondir, config->rootdir, 512); - strncat (config->sessiondir, "/sessions",512); - } - - // if no config dir create a default path from sessiondir - if (config->console == NULL) { - config->console = malloc (512); - strncpy (config->console, config->sessiondir, 512); - strncat (config->console, "/AFB-console.out",512); - } + int (*starter) (const char *value) = closure; + return starter(value) >= 0; } - -/*--------------------------------------------------------- - | main - | Parse option and launch action - +--------------------------------------------------------- */ - -static void add_item(struct afb_config *config, int kind, char *value) +static void start_list(struct afb_config_list *list, + int (*starter) (const char *value), const char *message) { - struct afb_config_item *item = malloc(sizeof *item); - if (item == NULL) { - ERROR("out of memory"); + list = run_for_list(list, run_start, starter); + if (list) { + ERROR("can't start %s %s", message, list->value); exit(1); } - item->kind = kind; - item->value = value; - item->previous = config->items; - config->items = item; -} - -static void parse_arguments(int argc, char *argv[], struct afb_config *config) -{ - char* programName = argv [0]; - int optionIndex = 0; - int optc, ind; - int nbcmd; - struct option *gnuOptions; - - // ------------------ Process Command Line ----------------------- - - // if no argument print help and return - if (argc < 2) { - printHelp(stderr, programName); - exit(1); - } - - // build GNU getopt info from cliOptions - nbcmd = sizeof (cliOptions) / sizeof (AFB_options); - gnuOptions = malloc (sizeof (*gnuOptions) * (unsigned)nbcmd); - for (ind=0; ind < nbcmd;ind++) { - gnuOptions [ind].name = cliOptions[ind].name; - gnuOptions [ind].has_arg = cliOptions[ind].has_arg; - gnuOptions [ind].flag = 0; - gnuOptions [ind].val = cliOptions[ind].val; - } - - // get all options from command line - while ((optc = getopt_long (argc, argv, "vsp?", gnuOptions, &optionIndex)) - != EOF) - { - switch (optc) - { - case SET_VERBOSE: - verbosity++; - break; - - case SET_TCP_PORT: - if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &config->httpdPort)) goto notAnInteger; - break; - - case SET_APITIMEOUT: - if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &config->apiTimeout)) goto notAnInteger; - break; - - case SET_CNTXTIMEOUT: - if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &config->cntxTimeout)) goto notAnInteger; - break; - - case SET_ROOT_DIR: - if (optarg == 0) goto needValueForOption; - config->rootdir = optarg; - INFO("Forcing Rootdir=%s",config->rootdir); - break; - - case SET_ROOT_HTTP: - if (optarg == 0) goto needValueForOption; - config->roothttp = optarg; - INFO("Forcing Root HTTP=%s",config->roothttp); - break; - - case SET_ROOT_BASE: - if (optarg == 0) goto needValueForOption; - config->rootbase = optarg; - INFO("Forcing Rootbase=%s",config->rootbase); - break; - - case SET_ROOT_API: - if (optarg == 0) goto needValueForOption; - config->rootapi = optarg; - INFO("Forcing Rootapi=%s",config->rootapi); - break; - - case SET_ALIAS: - if (optarg == 0) goto needValueForOption; - if ((unsigned)config->aliascount < sizeof (config->aliasdir) / sizeof (config->aliasdir[0])) { - config->aliasdir[config->aliascount].url = strsep(&optarg,":"); - if (optarg == NULL) { - ERROR("missing ':' in alias %s, ignored", config->aliasdir[config->aliascount].url); - } else { - config->aliasdir[config->aliascount].path = optarg; - INFO("Alias url=%s path=%s", config->aliasdir[config->aliascount].url, config->aliasdir[config->aliascount].path); - config->aliascount++; - } - } else { - ERROR("Too many aliases [max:%d] %s ignored", MAX_ALIAS, optarg); - } - break; - - case SET_AUTH_TOKEN: - if (optarg == 0) goto needValueForOption; - config->token = optarg; - break; - - case SET_LDPATH: - if (optarg == 0) goto needValueForOption; - config->ldpaths = optarg; - break; - - case SET_SESSION_DIR: - if (optarg == 0) goto needValueForOption; - config->sessiondir = optarg; - break; - - case SET_CACHE_TIMEOUT: - if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &config->cacheTimeout)) goto notAnInteger; - break; - - case SET_SESSIONMAX: - if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%d", &config->nbSessionMax)) goto notAnInteger; - break; - - case SET_FORGROUND: - if (optarg != 0) goto noValueForOption; - config->background = 0; - break; - - case SET_BACKGROUND: - if (optarg != 0) goto noValueForOption; - config->background = 1; - break; - - case SET_MODE: - if (optarg == 0) goto needValueForOption; - if (!strcmp(optarg, "local")) config->mode = AFB_MODE_LOCAL; - else if (!strcmp(optarg, "remote")) config->mode = AFB_MODE_REMOTE; - else if (!strcmp(optarg, "global")) config->mode = AFB_MODE_GLOBAL; - else goto badMode; - break; - - case SET_READYFD: - if (optarg == 0) goto needValueForOption; - if (!sscanf (optarg, "%u", &config->readyfd)) goto notAnInteger; - break; - - case DBUS_CLIENT: - case DBUS_SERVICE: - case WS_CLIENT: - case WS_SERVICE: - case SO_BINDING: - if (optarg == 0) goto needValueForOption; - add_item(config, optc, optarg); - break; - - case SET_TRACEREQ: - if (optarg == 0) goto needValueForOption; - if (!strcmp(optarg, "no")) config->tracereq = TRACEREQ_NO; - else if (!strcmp(optarg, "common")) config->tracereq = TRACEREQ_COMMON; - else if (!strcmp(optarg, "extra")) config->tracereq = TRACEREQ_EXTRA; - else if (!strcmp(optarg, "all")) config->tracereq = TRACEREQ_ALL; - else goto badMode; - break; - - case DISPLAY_VERSION: - if (optarg != 0) goto noValueForOption; - printVersion(stdout); - break; - - case DISPLAY_HELP: - default: - printHelp(stdout, programName); - exit(0); - } - } - free(gnuOptions); - - config_set_default (config); - return; - - -needValueForOption: - ERROR("AFB-daemon option [--%s] need a value i.e. --%s=xxx" - ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name); - exit (1); - -notAnInteger: - ERROR("AFB-daemon option [--%s] requirer an interger i.e. --%s=9" - ,gnuOptions[optionIndex].name, gnuOptions[optionIndex].name); - exit (1); - -noValueForOption: - ERROR("AFB-daemon option [--%s] don't take value" - ,gnuOptions[optionIndex].name); - exit (1); - -badMode: - ERROR("AFB-daemon option [--%s] only accepts local, global or remote." - ,gnuOptions[optionIndex].name); - exit (1); } /*---------------------------------------------------------- | closeSession | try to close everything before leaving +--------------------------------------------------------- */ -static void closeSession (int status, void *data) { +static void closeSession(int status, void *data) +{ /* struct afb_config *config = data; */ } @@ -478,40 +97,42 @@ static void closeSession (int status, void *data) { +--------------------------------------------------------- */ static void daemonize(struct afb_config *config) { - int consoleFD; - int pid; - - // open /dev/console to redirect output messAFBes - consoleFD = open(config->console, O_WRONLY | O_APPEND | O_CREAT , 0640); - if (consoleFD < 0) { - ERROR("AFB-daemon cannot open /dev/console (use --foreground)"); - exit (1); - } - - // fork process when running background mode - pid = fork (); - - // if fail nothing much to do - if (pid == -1) { - ERROR("AFB-daemon Failed to fork son process"); - exit (1); - } - - // if in father process, just leave - if (pid != 0) _exit (0); + int consoleFD; + int pid; - // son process get all data in standalone mode - NOTICE("background mode [pid:%d console:%s]", getpid(),config->console); + // open /dev/console to redirect output messAFBes + consoleFD = open(config->console, O_WRONLY | O_APPEND | O_CREAT, 0640); + if (consoleFD < 0) { + ERROR("AFB-daemon cannot open /dev/console (use --foreground)"); + exit(1); + } + // fork process when running background mode + pid = fork(); - // redirect default I/O on console - close (2); dup(consoleFD); // redirect stderr - close (1); dup(consoleFD); // redirect stdout - close (0); // no need for stdin - close (consoleFD); + // if fail nothing much to do + if (pid == -1) { + ERROR("AFB-daemon Failed to fork son process"); + exit(1); + } + // if in father process, just leave + if (pid != 0) + _exit(0); + + // son process get all data in standalone mode + NOTICE("background mode [pid:%d console:%s]", getpid(), + config->console); + + // redirect default I/O on console + close(2); + dup(consoleFD); // redirect stderr + close(1); + dup(consoleFD); // redirect stdout + close(0); // no need for stdin + close(consoleFD); #if 0 - setsid(); // allow father process to fully exit - sleep (2); // allow main to leave and release port + setsid(); // allow father process to fully exit + sleep(2); // allow main to leave and release port #endif } @@ -519,39 +140,55 @@ static void daemonize(struct afb_config *config) | http server | Handles the HTTP server +--------------------------------------------------------- */ -static int init_http_server(struct afb_hsrv *hsrv, struct afb_config * config) +static int init_alias(void *closure, char *spec) { - int idx, dfd; + struct afb_hsrv *hsrv = closure; + char *path = strchr(spec, ':'); - dfd = afb_common_rootdir_get_fd(); + if (path == NULL) { + ERROR("Missing ':' in alias %s. Alias ignored", spec); + return 1; + } + *path++ = 0; + INFO("Alias for url=%s to path=%s", spec, path); + return afb_hsrv_add_alias(hsrv, spec, afb_common_rootdir_get_fd(), path, + 0, 0); +} - if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_websocket_switch, NULL, 20)) +static int init_http_server(struct afb_hsrv *hsrv, struct afb_config *config) +{ + if (!afb_hsrv_add_handler + (hsrv, config->rootapi, afb_hswitch_websocket_switch, NULL, 20)) return 0; - if (!afb_hsrv_add_handler(hsrv, config->rootapi, afb_hswitch_apis, NULL, 10)) + if (!afb_hsrv_add_handler + (hsrv, config->rootapi, afb_hswitch_apis, NULL, 10)) return 0; - for (idx = 0; idx < config->aliascount; idx++) - if (!afb_hsrv_add_alias (hsrv, config->aliasdir[idx].url, dfd, config->aliasdir[idx].path, 0, 0)) - return 0; + if (run_for_list(config->aliases, init_alias, hsrv)) + return 0; if (config->roothttp != NULL) { - if (!afb_hsrv_add_alias(hsrv, "", dfd, config->roothttp, -10, 1)) + if (!afb_hsrv_add_alias + (hsrv, "", afb_common_rootdir_get_fd(), config->roothttp, + -10, 1)) return 0; } - if (!afb_hsrv_add_handler(hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL, -20)) + if (!afb_hsrv_add_handler + (hsrv, config->rootbase, afb_hswitch_one_page_api_redirect, NULL, + -20)) return 0; return 1; } -static struct afb_hsrv *start_http_server(struct afb_config * config) +static struct afb_hsrv *start_http_server(struct afb_config *config) { int rc; struct afb_hsrv *hsrv; - if (afb_hreq_init_download_path("/tmp")) { /* TODO: sessiondir? */ + if (afb_hreq_init_download_path("/tmp")) { /* TODO: sessiondir? */ ERROR("unable to set the tmp directory"); return NULL; } @@ -563,13 +200,14 @@ static struct afb_hsrv *start_http_server(struct afb_config * config) } if (!afb_hsrv_set_cache_timeout(hsrv, config->cacheTimeout) - || !init_http_server(hsrv, config)) { + || !init_http_server(hsrv, config)) { ERROR("initialisation of httpd failed"); afb_hsrv_put(hsrv); return NULL; } - NOTICE("Waiting port=%d rootdir=%s", config->httpdPort, config->rootdir); + NOTICE("Waiting port=%d rootdir=%s", config->httpdPort, + config->rootdir); NOTICE("Browser URL= http:/*localhost:%d", config->httpdPort); rc = afb_hsrv_start(hsrv, (uint16_t) config->httpdPort, 15); @@ -582,167 +220,118 @@ static struct afb_hsrv *start_http_server(struct afb_config * config) return hsrv; } -static void start_items(struct afb_config_item *item) -{ - if (item != NULL) { - /* keeps the order */ - start_items(item->previous); - switch(item->kind) { - case DBUS_CLIENT: - if (afb_api_dbus_add_client(item->value) < 0) { - ERROR("can't start the afb-dbus client of path %s",item->value); - exit(1); - } - break; - case DBUS_SERVICE: - if (afb_api_dbus_add_server(item->value) < 0) { - ERROR("can't start the afb-dbus service of path %s",item->value); - exit(1); - } - break; - case WS_CLIENT: - if (afb_api_ws_add_client(item->value) < 0) { - ERROR("can't start the afb-websocket client of path %s",item->value); - exit(1); - } - break; - case WS_SERVICE: - if (afb_api_ws_add_server(item->value) < 0) { - ERROR("can't start the afb-websocket service of path %s",item->value); - exit(1); - } - break; - case SO_BINDING: - if (afb_api_so_add_binding(item->value) < 0) { - ERROR("can't start the binding of path %s",item->value); - exit(1); - } - break; - default: - ERROR("unexpected internal error"); - exit(1); - } - /* frre the item */ - free(item); - } -} - /*--------------------------------------------------------- | main | Parse option and launch action +--------------------------------------------------------- */ -int main(int argc, char *argv[]) { - struct afb_hsrv *hsrv; - struct afb_config *config; - struct sd_event *eventloop; - - LOGAUTH("afb-daemon"); - - // ------------- Build session handler & init config ------- - config = calloc (1, sizeof (struct afb_config)); - - on_exit(closeSession, config); - parse_arguments(argc, argv, config); - - // ------------------ sanity check ---------------------------------------- - if (config->httpdPort <= 0) { - ERROR("no port is defined"); - exit (1); - } - - afb_api_so_set_timeout(config->apiTimeout); - if (config->ldpaths) { - if (afb_api_so_add_pathset(config->ldpaths) < 0) { - ERROR("initialisation of bindings within %s failed", config->ldpaths); - exit(1); - } - } - - start_items(config->items); - config->items = NULL; - - afb_session_init(config->nbSessionMax, config->cntxTimeout, config->token, afb_apis_count()); - if (!afb_hreq_init_cookie(config->httpdPort, config->rootapi, DEFLT_CNTX_TIMEOUT)) { - ERROR("initialisation of cookies failed"); - exit (1); - } - - if (afb_sig_handler_init() < 0) { - ERROR("failed to initialise signal handlers"); - return 1; - } - - if (afb_common_rootdir_set(config->rootdir) < 0) { - ERROR("failed to set common root directory"); - return 1; - } - - if (afb_thread_init(3, 1, 20) < 0) { - ERROR("failed to initialise threading"); - return 1; - } - - // let's run this program with a low priority - nice (20); - - // ------------------ Finaly Process Commands ----------------------------- - // let's not take the risk to run as ROOT - //if (getuid() == 0) goto errorNoRoot; - - DEBUG("Init config done"); - - // --------- run ----------- - if (config->background) { - // --------- in background mode ----------- - INFO("entering background mode"); - daemonize(config); - } else { - // ---- in foreground mode -------------------- - INFO("entering foreground mode"); - } - - /* ignore any SIGPIPE */ - signal(SIGPIPE, SIG_IGN); - - /* install trace of requests */ - switch(config->tracereq) { - default: - case TRACEREQ_NO: - break; - case TRACEREQ_COMMON: - afb_hook_req_create(NULL, NULL, NULL, afb_hook_flags_req_common, NULL, NULL); - break; - case TRACEREQ_EXTRA: - afb_hook_req_create(NULL, NULL, NULL, afb_hook_flags_req_extra, NULL, NULL); - break; - case TRACEREQ_ALL: - afb_hook_req_create(NULL, NULL, NULL, afb_hook_flags_req_all, NULL, NULL); - break; - } - - /* start the HTTP server */ - hsrv = start_http_server(config); - if (hsrv == NULL) - exit(1); - - /* start the services */ - if (afb_apis_start_all_services(1) < 0) - exit(1); - - if (config->readyfd != 0) { +int main(int argc, char *argv[]) +{ + struct afb_hsrv *hsrv; + struct afb_config *config; + struct sd_event *eventloop; + + LOGAUTH("afb-daemon"); + + // ------------- Build session handler & init config ------- + config = afb_config_parse_arguments(argc, argv); + on_exit(closeSession, config); + + // ------------------ sanity check ---------------------------------------- + if (config->httpdPort <= 0) { + ERROR("no port is defined"); + exit(1); + } + + afb_session_init(config->nbSessionMax, config->cntxTimeout, + config->token, afb_apis_count()); + + afb_api_so_set_timeout(config->apiTimeout); + if (config->ldpaths) { + if (afb_api_so_add_pathset(config->ldpaths) < 0) { + ERROR("initialisation of bindings within %s failed", + config->ldpaths); + exit(1); + } + } + + start_list(config->dbus_clients, afb_api_dbus_add_client, + "the afb-dbus client"); + start_list(config->ws_clients, afb_api_ws_add_client, + "the afb-websocket client"); + start_list(config->so_bindings, afb_api_so_add_binding, "the binding"); + start_list(config->dbus_servers, afb_api_dbus_add_server, + "the afb-dbus service"); + start_list(config->ws_servers, afb_api_ws_add_server, + "the afb-websocket service"); + + if (!afb_hreq_init_cookie + (config->httpdPort, config->rootapi, config->cntxTimeout)) { + ERROR("initialisation of cookies failed"); + exit(1); + } + + if (afb_sig_handler_init() < 0) { + ERROR("failed to initialise signal handlers"); + return 1; + } + // if directory does not exist createit + mkdir(config->rootdir, O_RDWR | S_IRWXU | S_IRGRP); + if (afb_common_rootdir_set(config->rootdir) < 0) { + ERROR("failed to set common root directory"); + return 1; + } + + if (afb_thread_init(3, 1, 20) < 0) { + ERROR("failed to initialise threading"); + return 1; + } + // let's run this program with a low priority + nice(20); + + // ------------------ Finaly Process Commands ----------------------------- + // let's not take the risk to run as ROOT + //if (getuid() == 0) goto errorNoRoot; + + DEBUG("Init config done"); + + // --------- run ----------- + if (config->background) { + // --------- in background mode ----------- + INFO("entering background mode"); + daemonize(config); + } else { + // ---- in foreground mode -------------------- + INFO("entering foreground mode"); + } + + /* ignore any SIGPIPE */ + signal(SIGPIPE, SIG_IGN); + + /* install trace of requests */ + if (config->tracereq) + afb_hook_req_create(NULL, NULL, NULL, config->tracereq, NULL, NULL); + + /* start the HTTP server */ + hsrv = start_http_server(config); + if (hsrv == NULL) + exit(1); + + /* start the services */ + if (afb_apis_start_all_services(1) < 0) + exit(1); + + if (config->readyfd != 0) { static const char readystr[] = "READY=1"; write(config->readyfd, readystr, sizeof(readystr) - 1); close(config->readyfd); - } - - // infinite loop - eventloop = afb_common_get_event_loop(); - for(;;) - sd_event_run(eventloop, 30000000); + } + // infinite loop + eventloop = afb_common_get_event_loop(); + for (;;) + sd_event_run(eventloop, 30000000); - WARNING("hoops returned from infinite loop [report bug]"); + WARNING("hoops returned from infinite loop [report bug]"); - return 0; + return 0; } - |