2 * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
3 * Author José Bollo <jose.bollo@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #define NO_BINDING_VERBOSE_MACRO
27 #include <uuid/uuid.h>
30 #include "afb-config.h"
33 #include <afb/afb-binding.h>
35 #if !defined(BINDING_INSTALL_DIR)
36 #error "you should define BINDING_INSTALL_DIR"
39 #define AFB_VERSION "0.5"
42 #define DEFLT_CNTX_TIMEOUT 3600 // default Client Connection
44 #define DEFLT_API_TIMEOUT 20 // default Plugin API Timeout [0=NoLimit
46 #define DEFLT_CACHE_TIMEOUT 100000 // default Static File Chache
49 #define DEFLT_AUTH_TOKEN NULL // expect for debug should == NULL
50 #define CTX_NBCLIENTS 10 // allow a default of 10 authenticated
54 // Define command line option
55 #define SET_BACKGROUND 2
56 #define SET_FORGROUND 3
58 #define SET_TCP_PORT 5
59 #define SET_ROOT_DIR 6
60 #define SET_ROOT_BASE 7
61 #define SET_ROOT_API 8
64 #define SET_CACHE_TIMEOUT 10
65 #define SET_SESSION_DIR 11
68 #define SET_APITIMEOUT 14
69 #define SET_CNTXTIMEOUT 15
73 #define SET_READYFD 19
75 #define DBUS_CLIENT 20
76 #define DBUS_SERVICE 21
79 #define SET_SESSIONMAX 23
84 #define SET_ROOT_HTTP 26
86 #define SET_NO_HTTPD 28
89 #define DISPLAY_HELP 'h'
91 #define SET_RNDTOKEN 'r'
92 #define SET_TRACEREQ 'T'
93 #define SET_AUTH_TOKEN 't'
94 #define DISPLAY_VERSION 'V'
95 #define SET_VERBOSE 'v'
97 #define SHORTOPTS "ehqrT:t:Vv"
99 // Command line structure hold cli --command + help text
101 int val; // command number within application
102 int has_arg; // command number within application
103 char *name; // command as used in --xxxx cli
104 char *help; // help text
108 static AFB_options cliOptions[] = {
110 {SET_VERBOSE, 0, "verbose", "Verbose Mode, repeat to increase verbosity"},
111 {SET_QUIET, 0, "quiet", "Quiet Mode, repeat to decrease verbosity"},
113 {SET_FORGROUND, 0, "foreground", "Get all in foreground mode"},
114 {SET_BACKGROUND, 0, "daemon", "Get all in background mode"},
116 {SET_TCP_PORT, 1, "port", "HTTP listening TCP port [default 1234]"},
117 {SET_ROOT_DIR, 1, "rootdir", "Root Directory [default $HOME/.AFB]"},
118 {SET_ROOT_HTTP, 1, "roothttp", "HTTP Root Directory [default rootdir]"},
119 {SET_ROOT_BASE, 1, "rootbase", "Angular Base Root URL [default /opa]"},
120 {SET_ROOT_API, 1, "rootapi", "HTML Root API URL [default /api]"},
121 {SET_ALIAS, 1, "alias", "Muliple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"},
123 {SET_APITIMEOUT, 1, "apitimeout", "Binding API timeout in seconds [default 10]"},
124 {SET_CNTXTIMEOUT, 1, "cntxtimeout", "Client Session Context Timeout [default 900]"},
125 {SET_CACHE_TIMEOUT, 1, "cache-eol", "Client cache end of live [default 3600]"},
127 {SET_SESSION_DIR, 1, "sessiondir", "Sessions file path [default rootdir/sessions]"},
129 {SET_LDPATH, 1, "ldpaths", "Load bindings from dir1:dir2:... [default = " BINDING_INSTALL_DIR "]"},
130 {SET_AUTH_TOKEN, 1, "token", "Initial Secret [default=no-session, --token= for session without authentication]"},
132 {DISPLAY_VERSION, 0, "version", "Display version and copyright"},
133 {DISPLAY_HELP, 0, "help", "Display this help"},
135 {SET_MODE, 1, "mode", "Set the mode: either local, remote or global"},
136 {SET_READYFD, 1, "readyfd", "Set the #fd to signal when ready"},
138 {DBUS_CLIENT, 1, "dbus-client", "Bind to an afb service through dbus"},
139 {DBUS_SERVICE, 1, "dbus-server", "Provides an afb service through dbus"},
140 {WS_CLIENT, 1, "ws-client", "Bind to an afb service through websocket"},
141 {WS_SERVICE, 1, "ws-server", "Provides an afb service through websockets"},
142 {SO_BINDING, 1, "binding", "Load the binding of path"},
144 {SET_SESSIONMAX, 1, "session-max", "Max count of session simultaneously [default 10]"},
146 {SET_TRACEREQ, 1, "tracereq", "Log the requests: no, common, extra, all"},
148 {SET_NO_HTTPD, 0, "no-httpd", "Forbids HTTP service"},
149 {SET_EXEC, 0, "exec", "Execute the remaining arguments"},
150 {SET_RNDTOKEN, 0, "random-token","creates a random token"},
163 static struct enumdesc tracereq_desc[] = {
165 { "common", afb_hook_flags_req_common },
166 { "extra", afb_hook_flags_req_extra },
167 { "all", afb_hook_flags_req_all },
171 static struct enumdesc mode_desc[] = {
172 { "local", AFB_MODE_LOCAL },
173 { "remote", AFB_MODE_REMOTE },
174 { "global", AFB_MODE_GLOBAL },
178 /*----------------------------------------------------------
180 | print version and copyright
181 +--------------------------------------------------------- */
182 static void printVersion(FILE * file)
184 fprintf(file, "\n----------------------------------------- \n");
185 fprintf(file, " AFB [Application Framework Binder] version=%s |\n",
187 fprintf(file, " \n");
189 " Copyright (C) 2015, 2016, 2017 \"IoT.bzh\" [fulup -at- iot.bzh]\n");
190 fprintf(file, " AFB comes with ABSOLUTELY NO WARRANTY.\n");
191 fprintf(file, " Licence Apache 2\n\n");
194 /*----------------------------------------------------------
196 | print information from long option array
197 +--------------------------------------------------------- */
199 static void printHelp(FILE * file, const char *name)
204 fprintf(file, "%s:\nallowed options\n", name);
205 for (ind = 0; cliOptions[ind].name != NULL; ind++) {
206 strcpy(command, cliOptions[ind].name);
207 if (cliOptions[ind].has_arg)
208 strcat(command, "=xxxx");
209 fprintf(file, " --%-15s %s\n", command, cliOptions[ind].help);
212 "Example:\n %s --verbose --port=1234 --token='azerty' --ldpaths=build/bindings:/usr/lib64/agl/bindings\n",
217 /*----------------------------------------------------------
218 | adds a string to the list
219 +--------------------------------------------------------- */
220 static char *random_token()
222 static char uuidstr[37];
224 uuid_generate_random(uuid);
225 uuid_unparse(uuid, uuidstr);
229 /*----------------------------------------------------------
230 | adds a string to the list
231 +--------------------------------------------------------- */
232 static void list_add(struct afb_config_list **head, char *value)
234 struct afb_config_list *item;
240 while (item != NULL) {
248 item = malloc(sizeof *item);
250 ERROR("out of memory");
262 /*---------------------------------------------------------
263 | helpers for argument scanning
264 +--------------------------------------------------------- */
266 static const char *optname(int optc)
268 AFB_options *o = cliOptions;
269 while (o->name && o->val != optc)
271 return o->name ? : "<unknown-option-name>";
274 static char *argvalstr(int optc)
277 ERROR("option [--%s] needs a value i.e. --%s=xxx",
278 optname(optc), optname(optc));
284 static int argvalenum(int optc, struct enumdesc *desc)
288 char *list, *name = argvalstr(optc);
291 while(desc[i].name && strcmp(desc[i].name, name))
297 len += strlen(desc[i++].name);
298 list = malloc(len + i + i);
300 ERROR("option [--%s] bad value (found %s)",
301 optname(optc), name);
304 strcpy(list, desc[i].name ? : "");
305 while(desc[++i].name)
306 strcat(strcat(list, ", "), desc[i].name);
307 ERROR("option [--%s] bad value, only accepts values %s (found %s)",
308 optname(optc), list, name);
313 return desc[i].value;
316 static int argvalint(int optc, int mini, int maxi, int base)
320 beg = argvalstr(optc);
321 val = strtol(beg, &end, base);
322 if (*end || end == beg) {
323 ERROR("option [--%s] requires a valid integer (found %s)",
327 if (val < (long int)mini || val > (long int)maxi) {
328 ERROR("option [--%s] value out of bounds (not %d<=%ld<=%d)",
329 optname(optc), mini, val, maxi);
335 static int argvalintdec(int optc, int mini, int maxi)
337 return argvalint(optc, mini, maxi, 10);
340 static void noarg(int optc)
343 ERROR("option [--%s] need no value (found %s)", optname(optc), optarg);
348 /*---------------------------------------------------------
349 | Parse option and launch action
350 +--------------------------------------------------------- */
352 static void parse_arguments(int argc, char **argv, struct afb_config *config)
354 char *programName = argv[0];
357 struct option *gnuOptions;
359 // ------------------ Process Command Line -----------------------
361 // build GNU getopt info from cliOptions
362 nbcmd = sizeof(cliOptions) / sizeof(AFB_options);
363 gnuOptions = malloc(sizeof(*gnuOptions) * (unsigned)nbcmd);
364 for (ind = 0; ind < nbcmd; ind++) {
365 gnuOptions[ind].name = cliOptions[ind].name;
366 gnuOptions[ind].has_arg = cliOptions[ind].has_arg;
367 gnuOptions[ind].flag = 0;
368 gnuOptions[ind].val = cliOptions[ind].val;
371 // get all options from command line
372 while ((optc = getopt_long(argc, argv, SHORTOPTS, gnuOptions, NULL)) != EOF) {
383 config->httpdPort = argvalintdec(optc, 1024, 32767);
387 config->apiTimeout = argvalintdec(optc, 0, INT_MAX);
390 case SET_CNTXTIMEOUT:
391 config->cntxTimeout = argvalintdec(optc, 0, INT_MAX);
395 config->rootdir = argvalstr(optc);
396 INFO("Forcing Rootdir=%s", config->rootdir);
400 config->roothttp = argvalstr(optc);
401 INFO("Forcing Root HTTP=%s", config->roothttp);
405 config->rootbase = argvalstr(optc);
406 INFO("Forcing Rootbase=%s", config->rootbase);
410 config->rootapi = argvalstr(optc);
411 INFO("Forcing Rootapi=%s", config->rootapi);
415 list_add(&config->aliases, argvalstr(optc));
419 config->token = argvalstr(optc);
423 list_add(&config->ldpaths, argvalstr(optc));
426 case SET_SESSION_DIR:
427 config->sessiondir = argvalstr(optc);
430 case SET_CACHE_TIMEOUT:
431 config->cacheTimeout = argvalintdec(optc, 0, INT_MAX);
435 config->nbSessionMax = argvalintdec(optc, 1, INT_MAX);
440 config->background = 0;
445 config->background = 1;
449 config->mode = argvalenum(optc, mode_desc);
453 config->readyfd = argvalintdec(optc, 0, INT_MAX);
457 list_add(&config->dbus_clients, argvalstr(optc));
461 list_add(&config->dbus_servers, argvalstr(optc));
465 list_add(&config->ws_clients, argvalstr(optc));
469 list_add(&config->ws_servers, argvalstr(optc));
473 list_add(&config->so_bindings, argvalstr(optc));
477 config->tracereq = argvalenum(optc, tracereq_desc);
486 config->exec = &argv[optind];
491 config->token = random_token();
494 case DISPLAY_VERSION:
496 printVersion(stdout);
500 printHelp(stdout, programName);
510 // load config from disk and merge with CLI option
511 static void config_set_default(struct afb_config *config)
514 if (config->httpdPort == 0)
515 config->httpdPort = 1234;
517 // default binding API timeout
518 if (config->apiTimeout == 0)
519 config->apiTimeout = DEFLT_API_TIMEOUT;
521 // default AUTH_TOKEN
522 if (config->token == NULL)
523 config->token = DEFLT_AUTH_TOKEN;
525 // cache timeout default one hour
526 if (config->cacheTimeout == 0)
527 config->cacheTimeout = DEFLT_CACHE_TIMEOUT;
529 // cache timeout default one hour
530 if (config->cntxTimeout == 0)
531 config->cntxTimeout = DEFLT_CNTX_TIMEOUT;
533 // max count of sessions
534 if (config->nbSessionMax == 0)
535 config->nbSessionMax = CTX_NBCLIENTS;
537 if (config->rootdir == NULL) {
538 config->rootdir = getenv("AFBDIR");
539 if (config->rootdir == NULL) {
540 config->rootdir = malloc(512);
541 strncpy(config->rootdir, getenv("HOME"), 512);
542 strncat(config->rootdir, "/.AFB", 512);
545 // if no Angular/HTML5 rootbase let's try '/' as default
546 if (config->rootbase == NULL)
547 config->rootbase = "/opa";
549 if (config->rootapi == NULL)
550 config->rootapi = "/api";
552 if (config->ldpaths == NULL)
553 list_add(&config->ldpaths, BINDING_INSTALL_DIR);
555 // if no session dir create a default path from rootdir
556 if (config->sessiondir == NULL) {
557 config->sessiondir = malloc(512);
558 strncpy(config->sessiondir, config->rootdir, 512);
559 strncat(config->sessiondir, "/sessions", 512);
561 // if no config dir create a default path from sessiondir
562 if (config->console == NULL) {
563 config->console = malloc(512);
564 strncpy(config->console, config->sessiondir, 512);
565 strncat(config->console, "/AFB-console.out", 512);
569 void afb_config_dump(struct afb_config *config)
571 struct afb_config_list *l;
575 #define NN(x) (x)?:""
576 #define P(...) fprintf(stderr, __VA_ARGS__)
577 #define PF(x) P("-- %15s: ", #x)
579 #define S(x) PF(x);P("%s",NN(config->x));PE;
580 #define D(x) PF(x);P("%d",config->x);PE;
581 #define H(x) PF(x);P("%x",config->x);PE;
582 #define B(x) PF(x);P("%s",config->x?"yes":"no");PE;
583 #define L(x) PF(x);l=config->x;if(l){P("%s\n",NN(l->value));for(l=l->next;l;l=l->next)P("-- %15s %s\n","",NN(l->value));}else PE;
584 #define E(x,d) for(e=d;e->name&&e->value!=config->x;e++);if(e->name){PF(x);P("%s",e->name);PE;}else{D(x);}
585 #define V(x) P("-- %15s:", #x);for(v=config->x;v&&*v;v++)P(" %s",*v); PE;
587 P("---BEGIN-OF-CONFIG---\n");
614 E(tracereq,tracereq_desc)
616 P("---END-OF-CONFIG---\n");
631 struct afb_config *afb_config_parse_arguments(int argc, char **argv)
633 struct afb_config *result;
635 result = calloc(1, sizeof *result);
637 parse_arguments(argc, argv, result);
638 config_set_default(result);
640 afb_config_dump(result);