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 AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO
28 #include <uuid/uuid.h>
31 #include "afb-config.h"
34 #include <afb/afb-binding-v1.h>
36 #if !defined(BINDING_INSTALL_DIR)
37 #error "you should define BINDING_INSTALL_DIR"
40 #define AFB_VERSION "0.6"
43 #define DEFLT_CNTX_TIMEOUT 3600 // default Client Connection
45 #define DEFLT_API_TIMEOUT 20 // default Plugin API Timeout [0=NoLimit
47 #define DEFLT_CACHE_TIMEOUT 100000 // default Static File Chache
50 #define DEFLT_AUTH_TOKEN NULL // expect for debug should == NULL
51 #define CTX_NBCLIENTS 10 // allow a default of 10 authenticated
55 // Define command line option
56 #define SET_BACKGROUND 2
57 #define SET_FORGROUND 3
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
70 #define SET_WEAK_LDPATH 16
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 SET_TRACEDITF 'D'
90 #define SET_TRACEEVT 'E'
92 #define DISPLAY_HELP 'h'
93 #define SET_TCP_PORT 'p'
95 #define SET_RNDTOKEN 'r'
96 #define SET_TRACESVC 'S'
97 #define SET_TRACEREQ 'T'
98 #define SET_AUTH_TOKEN 't'
99 #define SET_UPLOAD_DIR 'u'
100 #define DISPLAY_VERSION 'V'
101 #define SET_VERBOSE 'v'
102 #define SET_WORK_DIR 'w'
104 const char shortopts[] =
105 "c:D:E:ehp:qrT:t:u:Vvw:"
108 // Command line structure hold cli --command + help text
110 int val; // command number within application
111 int has_arg; // command number within application
112 char *name; // command as used in --xxxx cli
113 char *help; // help text
117 static AFB_options cliOptions[] = {
119 {SET_VERBOSE, 0, "verbose", "Verbose Mode, repeat to increase verbosity"},
120 {SET_QUIET, 0, "quiet", "Quiet Mode, repeat to decrease verbosity"},
122 {SET_FORGROUND, 0, "foreground", "Get all in foreground mode"},
123 {SET_BACKGROUND, 0, "daemon", "Get all in background mode"},
125 {SET_TCP_PORT, 1, "port", "HTTP listening TCP port [default 1234]"},
126 {SET_ROOT_HTTP, 1, "roothttp", "HTTP Root Directory [default no root http (files not served but apis still available)]"},
127 {SET_ROOT_BASE, 1, "rootbase", "Angular Base Root URL [default /opa]"},
128 {SET_ROOT_API, 1, "rootapi", "HTML Root API URL [default /api]"},
129 {SET_ALIAS, 1, "alias", "Multiple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"},
131 {SET_APITIMEOUT, 1, "apitimeout", "Binding API timeout in seconds [default 10]"},
132 {SET_CNTXTIMEOUT, 1, "cntxtimeout", "Client Session Context Timeout [default 900]"},
133 {SET_CACHE_TIMEOUT, 1, "cache-eol", "Client cache end of live [default 3600]"},
135 {SET_WORK_DIR, 1, "workdir", "Set the working directory [default: $PWD or current working directory]"},
136 {SET_UPLOAD_DIR, 1, "uploaddir", "Directory for uploading files [default: workdir]"},
137 {SET_ROOT_DIR, 1, "rootdir", "Root Directory of the application [default: workdir]"},
138 {SET_SESSION_DIR, 1, "sessiondir", "OBSOLETE (was: Sessions file path)"},
140 {SET_LDPATH, 1, "ldpaths", "Load bindings from dir1:dir2:... [default = " BINDING_INSTALL_DIR "]"},
141 {SO_BINDING, 1, "binding", "Load the binding of path"},
142 {SET_WEAK_LDPATH, 1, "weak-ldpaths","Same as --ldpaths but ignore errors"},
143 {NO_LDPATH, 0, "no-ldpaths", "Discard default ldpaths loading"},
145 {SET_AUTH_TOKEN, 1, "token", "Initial Secret [default=no-session, --token= for session without authentication]"},
146 {SET_RNDTOKEN, 0, "random-token","Creates a random token"},
148 {DISPLAY_VERSION, 0, "version", "Display version and copyright"},
149 {DISPLAY_HELP, 0, "help", "Display this help"},
151 {SET_MODE, 1, "mode", "Set the mode: either local, remote or global"},
153 {DBUS_CLIENT, 1, "dbus-client", "Bind to an afb service through dbus"},
154 {DBUS_SERVICE, 1, "dbus-server", "Provides an afb service through dbus"},
155 {WS_CLIENT, 1, "ws-client", "Bind to an afb service through websocket"},
156 {WS_SERVICE, 1, "ws-server", "Provides an afb service through websockets"},
158 {SET_SESSIONMAX, 1, "session-max", "Max count of session simultaneously [default 10]"},
160 {SET_TRACEREQ, 1, "tracereq", "Log the requests: no, common, extra, all"},
161 {SET_TRACEDITF, 1, "traceditf", "Log the requests: no, common, extra, all"},
162 {SET_TRACESVC, 1, "tracesvc", "Log the requests: no, all"},
163 {SET_TRACEEVT, 1, "traceevt", "Log the requests: no, common, extra, all"},
165 {ADD_CALL, 1, "call", "call at start format of val: API/VERB:json-args"},
167 {SET_NO_HTTPD, 0, "no-httpd", "Forbids HTTP service"},
168 {SET_EXEC, 0, "exec", "Execute the remaining arguments"},
181 static struct enumdesc tracereq_desc[] = {
183 { "common", afb_hook_flags_req_common },
184 { "extra", afb_hook_flags_req_extra },
185 { "all", afb_hook_flags_req_all },
189 static struct enumdesc traceditf_desc[] = {
191 { "common", afb_hook_flags_ditf_common },
192 { "extra", afb_hook_flags_ditf_extra },
193 { "all", afb_hook_flags_ditf_all },
197 static struct enumdesc tracesvc_desc[] = {
199 { "all", afb_hook_flags_svc_all },
203 static struct enumdesc traceevt_desc[] = {
205 { "common", afb_hook_flags_evt_common },
206 { "extra", afb_hook_flags_evt_extra },
207 { "all", afb_hook_flags_evt_all },
211 static struct enumdesc mode_desc[] = {
212 { "local", AFB_MODE_LOCAL },
213 { "remote", AFB_MODE_REMOTE },
214 { "global", AFB_MODE_GLOBAL },
218 /*----------------------------------------------------------
220 | print version and copyright
221 +--------------------------------------------------------- */
222 static void printVersion(FILE * file)
224 fprintf(file, "\n----------------------------------------- \n");
225 fprintf(file, " AFB [Application Framework Binder] version=%s |\n",
227 fprintf(file, " \n");
229 " Copyright (C) 2015, 2016, 2017 \"IoT.bzh\" [fulup -at- iot.bzh]\n");
230 fprintf(file, " AFB comes with ABSOLUTELY NO WARRANTY.\n");
231 fprintf(file, " Licence Apache 2\n\n");
234 /*----------------------------------------------------------
236 | print information from long option array
237 +--------------------------------------------------------- */
239 static void printHelp(FILE * file, const char *name)
244 fprintf(file, "%s:\nallowed options\n", name);
245 for (ind = 0; cliOptions[ind].name != NULL; ind++) {
246 strcpy(command, cliOptions[ind].name);
247 if (cliOptions[ind].has_arg)
248 strcat(command, "=xxxx");
249 fprintf(file, " --%-15s %s\n", command, cliOptions[ind].help);
252 "Example:\n %s --verbose --port=1234 --token='azerty' --ldpaths=build/bindings:/usr/lib64/agl/bindings\n",
257 /*----------------------------------------------------------
258 | adds a string to the list
259 +--------------------------------------------------------- */
260 static char *random_token()
262 static char uuidstr[37];
264 uuid_generate_random(uuid);
265 uuid_unparse(uuid, uuidstr);
269 /*----------------------------------------------------------
270 | adds a string to the list
271 +--------------------------------------------------------- */
272 static void list_add(struct afb_config_list **head, char *value)
274 struct afb_config_list *item;
280 while (item != NULL) {
288 item = malloc(sizeof *item);
290 ERROR("out of memory");
302 /*---------------------------------------------------------
303 | helpers for argument scanning
304 +--------------------------------------------------------- */
306 static const char *name_of_option(int optc)
308 AFB_options *o = cliOptions;
309 while (o->name && o->val != optc)
311 return o->name ? : "<unknown-option-name>";
314 static const char *current_argument(int optc)
317 ERROR("option [--%s] needs a value i.e. --%s=xxx",
318 name_of_option(optc), name_of_option(optc));
324 static char *argvalstr(int optc)
326 char *result = strdup(current_argument(optc));
327 if (result == NULL) {
328 ERROR("can't alloc memory");
334 static int argvalenum(int optc, struct enumdesc *desc)
339 const char *name = current_argument(optc);
342 while(desc[i].name && strcmp(desc[i].name, name))
348 len += strlen(desc[i++].name);
349 list = malloc(len + i + i);
351 ERROR("option [--%s] bad value (found %s)",
352 name_of_option(optc), name);
355 strcpy(list, desc[i].name ? : "");
356 while(desc[++i].name)
357 strcat(strcat(list, ", "), desc[i].name);
358 ERROR("option [--%s] bad value, only accepts values %s (found %s)",
359 name_of_option(optc), list, name);
364 return desc[i].value;
367 static int argvalint(int optc, int mini, int maxi, int base)
369 const char *beg, *end;
371 beg = current_argument(optc);
372 val = strtol(beg, (char**)&end, base);
373 if (*end || end == beg) {
374 ERROR("option [--%s] requires a valid integer (found %s)",
375 name_of_option(optc), beg);
378 if (val < (long int)mini || val > (long int)maxi) {
379 ERROR("option [--%s] value out of bounds (not %d<=%ld<=%d)",
380 name_of_option(optc), mini, val, maxi);
386 static int argvalintdec(int optc, int mini, int maxi)
388 return argvalint(optc, mini, maxi, 10);
391 static void noarg(int optc)
394 ERROR("option [--%s] need no value (found %s)", name_of_option(optc), optarg);
399 /*---------------------------------------------------------
400 | Parse option and launch action
401 +--------------------------------------------------------- */
403 static void parse_arguments(int argc, char **argv, struct afb_config *config)
405 char *programName = argv[0];
408 struct option *gnuOptions;
410 // ------------------ Process Command Line -----------------------
412 // build GNU getopt info from cliOptions
413 nbcmd = sizeof(cliOptions) / sizeof(AFB_options);
414 gnuOptions = malloc(sizeof(*gnuOptions) * (unsigned)nbcmd);
415 for (ind = 0; ind < nbcmd; ind++) {
416 gnuOptions[ind].name = cliOptions[ind].name;
417 gnuOptions[ind].has_arg = cliOptions[ind].has_arg;
418 gnuOptions[ind].flag = 0;
419 gnuOptions[ind].val = cliOptions[ind].val;
422 // get all options from command line
423 while ((optc = getopt_long(argc, argv, shortopts, gnuOptions, NULL)) != EOF) {
434 config->httpdPort = argvalintdec(optc, 1024, 32767);
438 config->apiTimeout = argvalintdec(optc, 0, INT_MAX);
441 case SET_CNTXTIMEOUT:
442 config->cntxTimeout = argvalintdec(optc, 0, INT_MAX);
446 config->rootdir = argvalstr(optc);
447 INFO("Forcing Rootdir=%s", config->rootdir);
451 config->roothttp = argvalstr(optc);
452 INFO("Forcing Root HTTP=%s", config->roothttp);
456 config->rootbase = argvalstr(optc);
457 INFO("Forcing Rootbase=%s", config->rootbase);
461 config->rootapi = argvalstr(optc);
462 INFO("Forcing Rootapi=%s", config->rootapi);
466 list_add(&config->aliases, argvalstr(optc));
470 config->token = argvalstr(optc);
474 list_add(&config->ldpaths, argvalstr(optc));
477 case SET_WEAK_LDPATH:
478 list_add(&config->weak_ldpaths, argvalstr(optc));
483 config->no_ldpaths = 1;
487 list_add(&config->calls, argvalstr(optc));
490 case SET_SESSION_DIR:
491 /* config->sessiondir = argvalstr(optc); */
492 WARNING("Obsolete otpion %s ignored", name_of_option(optc));
496 config->uploaddir = argvalstr(optc);
500 config->workdir = argvalstr(optc);
503 case SET_CACHE_TIMEOUT:
504 config->cacheTimeout = argvalintdec(optc, 0, INT_MAX);
508 config->nbSessionMax = argvalintdec(optc, 1, INT_MAX);
513 config->background = 0;
518 config->background = 1;
522 config->mode = argvalenum(optc, mode_desc);
526 list_add(&config->dbus_clients, argvalstr(optc));
530 list_add(&config->dbus_servers, argvalstr(optc));
534 list_add(&config->ws_clients, argvalstr(optc));
538 list_add(&config->ws_servers, argvalstr(optc));
542 list_add(&config->so_bindings, argvalstr(optc));
546 config->tracereq = argvalenum(optc, tracereq_desc);
550 config->traceditf = argvalenum(optc, traceditf_desc);
554 config->tracesvc = argvalenum(optc, tracesvc_desc);
558 config->traceevt = argvalenum(optc, traceevt_desc);
567 config->exec = &argv[optind];
572 config->token = random_token();
575 case DISPLAY_VERSION:
577 printVersion(stdout);
581 printHelp(stdout, programName);
591 // load config from disk and merge with CLI option
592 static void config_set_default(struct afb_config *config)
595 if (config->httpdPort == 0)
596 config->httpdPort = 1234;
598 // default binding API timeout
599 if (config->apiTimeout == 0)
600 config->apiTimeout = DEFLT_API_TIMEOUT;
602 // default AUTH_TOKEN
603 if (config->token == NULL)
604 config->token = DEFLT_AUTH_TOKEN;
606 // cache timeout default one hour
607 if (config->cacheTimeout == 0)
608 config->cacheTimeout = DEFLT_CACHE_TIMEOUT;
610 // cache timeout default one hour
611 if (config->cntxTimeout == 0)
612 config->cntxTimeout = DEFLT_CNTX_TIMEOUT;
614 // max count of sessions
615 if (config->nbSessionMax == 0)
616 config->nbSessionMax = CTX_NBCLIENTS;
618 /* set directories */
619 if (config->workdir == NULL)
620 config->workdir = ".";
622 if (config->rootdir == NULL)
623 config->rootdir = ".";
625 if (config->uploaddir == NULL)
626 config->uploaddir = ".";
628 // if no Angular/HTML5 rootbase let's try '/' as default
629 if (config->rootbase == NULL)
630 config->rootbase = "/opa";
632 if (config->rootapi == NULL)
633 config->rootapi = "/api";
635 if (config->ldpaths == NULL && config->weak_ldpaths == NULL && !config->no_ldpaths)
636 list_add(&config->ldpaths, BINDING_INSTALL_DIR);
638 // if no config dir create a default path from uploaddir
639 if (config->console == NULL) {
640 config->console = malloc(512);
641 strncpy(config->console, config->uploaddir, 512);
642 strncat(config->console, "/AFB-console.out", 512);
646 void afb_config_dump(struct afb_config *config)
648 struct afb_config_list *l;
652 #define NN(x) (x)?:""
653 #define P(...) fprintf(stderr, __VA_ARGS__)
654 #define PF(x) P("-- %15s: ", #x)
656 #define S(x) PF(x);P("%s",NN(config->x));PE;
657 #define D(x) PF(x);P("%d",config->x);PE;
658 #define H(x) PF(x);P("%x",config->x);PE;
659 #define B(x) PF(x);P("%s",config->x?"yes":"no");PE;
660 #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;
661 #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);}
662 #define V(x) P("-- %15s:", #x);for(v=config->x;v&&*v;v++)P(" %s",*v); PE;
664 P("---BEGIN-OF-CONFIG---\n");
692 E(tracereq,tracereq_desc)
693 E(traceditf,traceditf_desc)
695 P("---END-OF-CONFIG---\n");
710 struct afb_config *afb_config_parse_arguments(int argc, char **argv)
712 struct afb_config *result;
714 result = calloc(1, sizeof *result);
716 parse_arguments(argc, argv, result);
717 config_set_default(result);
719 afb_config_dump(result);