X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-args.c;fp=src%2Fafb-args.c;h=05a88655797836fe232edc6016d5522546a610f1;hb=84f4aec41817417a3b94d91da1b9b2fba9711e40;hp=0000000000000000000000000000000000000000;hpb=a2cf84ecde926adeebf09bc2c284401513d3fab3;p=src%2Fapp-framework-binder.git diff --git a/src/afb-args.c b/src/afb-args.c new file mode 100644 index 00000000..05a88655 --- /dev/null +++ b/src/afb-args.c @@ -0,0 +1,1057 @@ +/* + * Copyright (C) 2015-2019 "IoT.bzh" + * Author José Bollo + * + * 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 + +#include +#include +#include +#include +#include +#include +#include + +#include +#if !defined(JSON_C_TO_STRING_NOSLASHESCAPE) +#define JSON_C_TO_STRING_NOSLASHESCAPE 0 +#endif + +#include "verbose.h" +#include "afb-args.h" +#include "afb-hook-flags.h" +#include "wrap-json.h" + +#define _d2s_(x) #x +#define d2s(x) _d2s_(x) + +#if !defined(BINDING_INSTALL_DIR) +#error "you should define BINDING_INSTALL_DIR" +#endif +#if !defined(AFB_VERSION) +#error "you should define AFB_VERSION" +#endif + +/** + * The default timeout of sessions in seconds + */ +#define DEFAULT_SESSION_TIMEOUT 32000000 + +/** + * The default timeout of api calls in seconds + */ +#define DEFAULT_API_TIMEOUT 20 + +/** + * The default timeout of cache in seconds + */ +#define DEFAULT_CACHE_TIMEOUT 100000 + +/** + * The default maximum count of sessions + */ +#define DEFAULT_MAX_SESSION_COUNT 200 + +/** + * The default HTTP port to serve + */ +#define DEFAULT_HTTP_PORT 1234 + +// Define command line option +#define SET_BACKGROUND 1 +#define SET_FOREGROUND 2 +#define SET_ROOT_DIR 3 +#define SET_ROOT_BASE 4 +#define SET_ROOT_API 5 +#define ADD_ALIAS 6 + +#define SET_CACHE_TIMEOUT 7 + +#define AUTO_WS 8 +#define AUTO_LINK 9 + +#define ADD_LDPATH 10 +#define SET_API_TIMEOUT 11 +#define SET_SESSION_TIMEOUT 12 +#define ADD_WEAK_LDPATH 13 +#define SET_NO_LDPATH 14 + +#define SET_SESSIONMAX 15 + +#define ADD_WS_CLIENT 16 +#define ADD_WS_SERVICE 17 + +#define SET_ROOT_HTTP 18 + +#define SET_NO_HTTPD 19 + +#define SET_TRACEEVT 20 +#define SET_TRACESES 21 +#define SET_TRACEREQ 22 +#define SET_TRACEAPI 23 +#define SET_TRACEGLOB 24 +#if !defined(REMOVE_LEGACY_TRACE) +#define SET_TRACEDITF 25 +#define SET_TRACESVC 26 +#endif +#define SET_TRAP_FAULTS 27 +#define ADD_CALL 28 +#if defined(WITH_DBUS_TRANSPARENCY) +# define ADD_DBUS_CLIENT 30 +# define ADD_DBUS_SERVICE 31 +#endif + +#define ADD_AUTO_API 'A' +#define ADD_BINDING 'b' +#define SET_CONFIG 'C' +#define SET_COLOR 'c' +#define SET_DAEMON 'D' +#define SET_EXEC 'e' +#define GET_HELP 'h' +#define SET_LOG 'l' +#if defined(WITH_MONITORING_OPTION) +#define SET_MONITORING 'M' +#endif +#define SET_NAME 'n' +#define SET_OUTPUT 'o' +#define SET_PORT 'p' +#define SET_QUIET 'q' +#define SET_RANDOM_TOKEN 'r' +#define ADD_SET 's' +#define SET_TOKEN 't' +#define SET_UPLOAD_DIR 'u' +#define GET_VERSION 'V' +#define SET_VERBOSE 'v' +#define SET_WORK_DIR 'w' +#define DUMP_CONFIG 'Z' + +/* structure for defining of options */ +struct option_desc { + int id; /* id of the option */ + int has_arg; /* is a value required */ + char *name; /* long name of the option */ + char *help; /* help text */ +}; + +/* definition of options */ +static struct option_desc optdefs[] = { +/* *INDENT-OFF* */ + {SET_VERBOSE, 0, "verbose", "Verbose Mode, repeat to increase verbosity"}, + {SET_COLOR, 0, "color", "Colorize the ouput"}, + {SET_QUIET, 0, "quiet", "Quiet Mode, repeat to decrease verbosity"}, + {SET_LOG, 1, "log", "Tune log level"}, + + {SET_FOREGROUND, 0, "foreground", "Get all in foreground mode"}, + {SET_BACKGROUND, 0, "background", "Get all in background mode"}, + {SET_DAEMON, 0, "daemon", "Get all in background mode"}, + + {SET_NAME, 1, "name", "Set the visible name"}, + + {SET_PORT, 1, "port", "HTTP listening TCP port [default " d2s(DEFAULT_HTTP_PORT) "]"}, + {SET_ROOT_HTTP, 1, "roothttp", "HTTP Root Directory [default no root http (files not served but apis still available)]"}, + {SET_ROOT_BASE, 1, "rootbase", "Angular Base Root URL [default /opa]"}, + {SET_ROOT_API, 1, "rootapi", "HTML Root API URL [default /api]"}, + {ADD_ALIAS, 1, "alias", "Multiple url map outside of rootdir [eg: --alias=/icons:/usr/share/icons]"}, + + {SET_API_TIMEOUT, 1, "apitimeout", "Binding API timeout in seconds [default " d2s(DEFAULT_API_TIMEOUT) "]"}, + {SET_SESSION_TIMEOUT, 1, "cntxtimeout", "Client Session Context Timeout [default " d2s(DEFAULT_SESSION_TIMEOUT) "]"}, + {SET_CACHE_TIMEOUT, 1, "cache-eol", "Client cache end of live [default " d2s(DEFAULT_CACHE_TIMEOUT) "]"}, + + {SET_WORK_DIR, 1, "workdir", "Set the working directory [default: $PWD or current working directory]"}, + {SET_UPLOAD_DIR, 1, "uploaddir", "Directory for uploading files [default: workdir] relative to workdir"}, + {SET_ROOT_DIR, 1, "rootdir", "Root Directory of the application [default: workdir] relative to workdir"}, + + {ADD_LDPATH, 1, "ldpaths", "Load bindings from dir1:dir2:... [default = " BINDING_INSTALL_DIR "]"}, + {ADD_BINDING, 1, "binding", "Load the binding of path"}, + {ADD_WEAK_LDPATH, 1, "weak-ldpaths","Same as --ldpaths but ignore errors"}, + {SET_NO_LDPATH, 0, "no-ldpaths", "Discard default ldpaths loading"}, + + {SET_TOKEN, 1, "token", "Initial Secret [default=random, use --token="" to allow any token]"}, + {SET_RANDOM_TOKEN, 0, "random-token","Enforce a random token"}, + + {GET_VERSION, 0, "version", "Display version and copyright"}, + {GET_HELP, 0, "help", "Display this help"}, + +#if defined(WITH_DBUS_TRANSPARENCY) + {ADD_DBUS_CLIENT, 1, "dbus-client", "Bind to an afb service through dbus"}, + {ADD_DBUS_SERVICE, 1, "dbus-server", "Provide an afb service through dbus"}, +#endif + {ADD_WS_CLIENT, 1, "ws-client", "Bind to an afb service through websocket"}, + {ADD_WS_SERVICE, 1, "ws-server", "Provide an afb service through websockets"}, + + {ADD_AUTO_API, 1, "auto-api", "Automatic load of api of the given directory"}, + + {SET_SESSIONMAX, 1, "session-max", "Max count of session simultaneously [default " d2s(DEFAULT_MAX_SESSION_COUNT) "]"}, + +#if WITH_AFB_HOOK + {SET_TRACEREQ, 1, "tracereq", "Log the requests: none, common, extra, all"}, + {SET_TRACEEVT, 1, "traceevt", "Log the events: none, common, extra, all"}, + {SET_TRACESES, 1, "traceses", "Log the sessions: none, all"}, + {SET_TRACEAPI, 1, "traceapi", "Log the apis: none, common, api, event, all"}, + {SET_TRACEGLOB, 1, "traceglob", "Log the globals: none, all"}, +#if !defined(REMOVE_LEGACY_TRACE) + {SET_TRACEDITF, 1, "traceditf", "Log the daemons: no, common, all"}, + {SET_TRACESVC, 1, "tracesvc", "Log the services: no, all"}, +#endif +#endif + + {ADD_CALL, 1, "call", "Call at start, format of val: API/VERB:json-args"}, + + {SET_NO_HTTPD, 0, "no-httpd", "Forbid HTTP service"}, + {SET_EXEC, 0, "exec", "Execute the remaining arguments"}, + +#if defined(WITH_MONITORING_OPTION) + {SET_MONITORING, 0, "monitoring", "Enable HTTP monitoring at /monitoring/"}, +#endif + + {SET_CONFIG, 1, "config", "Load options from the given config file"}, + {DUMP_CONFIG, 0, "dump-config", "Dump the config to stdout and exit"}, + + {ADD_SET, 1, "set", "Set parameters ([API]/[KEY]:JSON or {\"API\":{\"KEY\":JSON}}" }, + {SET_OUTPUT, 1, "output", "Redirect stdout and stderr to output file (when --daemon)"}, + + {SET_TRAP_FAULTS, 1, "trap-faults", "Trap faults: on, off, yes, no, true, false, 1, 0 (default: true)"}, + + {0, 0, NULL, NULL} +/* *INDENT-ON* */ +}; + +#if defined(WITH_MONITORING_OPTION) +static const char MONITORING_ALIAS[] = "/monitoring:"BINDING_INSTALL_DIR"/monitoring"; +#endif + +static const struct { + int optid; + int valdef; +} default_optint_values[] = { + { SET_PORT, DEFAULT_HTTP_PORT }, + { SET_API_TIMEOUT, DEFAULT_API_TIMEOUT }, + { SET_CACHE_TIMEOUT, DEFAULT_CACHE_TIMEOUT }, + { SET_SESSION_TIMEOUT, DEFAULT_SESSION_TIMEOUT }, + { SET_SESSIONMAX, DEFAULT_MAX_SESSION_COUNT } +}; + +static const struct { + int optid; + const char *valdef; +} default_optstr_values[] = { + { SET_WORK_DIR, "." }, + { SET_ROOT_DIR, "." }, + { SET_UPLOAD_DIR, "." }, + { SET_ROOT_BASE, "/opa" }, + { SET_ROOT_API, "/api" } +}; + +/********************************** +* preparing items +***********************************/ + +static char *shortopts = NULL; +static int *id2idx = NULL; + +static void *oomchk(void *ptr) +{ + if (!ptr) { + ERROR("Out of memory"); + exit(1); + } + return ptr; +} + +static char is_short_option(int val) +{ + return (val >= 'a' && val <= 'z') || (val >= 'A' && val <= 'Z') || (val >= '0' && val <= '9'); +} + +static void init_options() +{ + int i, ns, mi, id; + + if (!shortopts) { + ns = 2; + mi = -1; + for (i = 0 ; optdefs[i].name ; i++) { + id = optdefs[i].id; + if (id > mi) + mi = id; + if (is_short_option(id)) + ns += 1 + !!optdefs[i].has_arg; + } + shortopts = oomchk(malloc(2 + ns)); + id2idx = oomchk(calloc(1 + mi, sizeof *id2idx)); + shortopts[ns = 0] = ':'; + for (i = 0 ; optdefs[i].name ; i++) { + id = optdefs[i].id; + id2idx[id] = i; + if (is_short_option(id)) { + shortopts[++ns] = (char)id; + if (optdefs[i].has_arg) + shortopts[++ns] = ':'; + } + } + shortopts[++ns] = 0; + } +} + +static const char *name_of_optid(int optid) +{ + return optdefs[id2idx[optid]].name; +} + +static int get_enum_val(const char *name, int optid, int (*func)(const char*)) +{ + int i; + + i = func(name); + if (i < 0) { + ERROR("option [--%s] bad value (found %s)", + name_of_optid(optid), name); + exit(1); + } + return i; +} + + +/*---------------------------------------------------------- + | printversion + | print version and copyright + +--------------------------------------------------------- */ +static void printVersion(FILE * file) +{ + fprintf(file, + "\n" + " AGL Framework Binder [AFB %s] " + +#if defined(WITH_DBUS_TRANSPARENCY) + "+" +#else + "-" +#endif + "DBUS " + +#if defined(WITH_MONITORING_OPTION) + "+" +#else + "-" +#endif + "MONITOR " +#if defined(WITH_SUPERVISION) + "+" +#else + "-" +#endif + "SUPERVISION " + +#if WITH_AFB_HOOK + "+" +#else + "-" +#endif + "HOOK " + +#if WITH_TRACE + "+" +#else + "-" +#endif + "TRACE " + + "[BINDINGS " +#if defined(WITH_LEGACY_BINDING_V1) + "+" +#else + "-" +#endif + "V1 " +#if defined(WITH_LEGACY_BINDING_VDYN) + "+" +#else + "-" +#endif + "VDYN +V2 +V3]\n" + "\n", + AFB_VERSION + ); + fprintf(file, + " Copyright (C) 2015-2019 \"IoT.bzh\"\n" + " AFB comes with ABSOLUTELY NO WARRANTY.\n" + " Licence Apache 2\n" + "\n"); +} + +/*---------------------------------------------------------- + | printHelp + | print information from long option array + +--------------------------------------------------------- */ + +static void printHelp(FILE * file, const char *name) +{ + int ind; + char command[50], sht[4]; + + fprintf(file, "%s:\nallowed options\n", strrchr(name, '/') ? strrchr(name, '/') + 1 : name); + sht[3] = 0; + for (ind = 0; optdefs[ind].name != NULL; ind++) { + if (is_short_option(optdefs[ind].id)) { + sht[0] = '-'; + sht[1] = (char)optdefs[ind].id; + sht[2] = ','; + } else { + sht[0] = sht[1] = sht[2] = ' '; + } + strcpy(command, optdefs[ind].name); + if (optdefs[ind].has_arg) + strcat(command, "=xxxx"); + fprintf(file, " %s --%-17s %s\n", sht, command, optdefs[ind].help); + } + fprintf(file, + "Example:\n %s --verbose --port=" + d2s(DEFAULT_HTTP_PORT) + " --token='azerty' --ldpaths=build/bindings:/usr/lib64/agl/bindings\n", + name); +} + +static void dump(struct json_object *config, FILE *file, const char *prefix, const char *title) +{ + const char *head, *tail; + + if (title) + fprintf(file, "%s----BEGIN OF %s-----\n", prefix ?: "", title); + + head = json_object_to_json_string_ext(config, JSON_C_TO_STRING_PRETTY + |JSON_C_TO_STRING_SPACED|JSON_C_TO_STRING_NOSLASHESCAPE); + + if (!prefix) + fprintf(file, "%s\n", head); + else { + while(*head) { + for (tail = head ; *tail && *tail != '\n' ; tail++); + fprintf(file, "%s %.*s\n", prefix, (int)(tail - head), head); + head = tail + !!*tail; + } + } + + if (title) + fprintf(file, "%s----END OF %s-----\n", prefix ?: "", title); +} + +/********************************** +* json helpers +***********************************/ + +static struct json_object *joomchk(struct json_object *value) +{ + return oomchk(value); +} + +static struct json_object *to_jstr(const char *value) +{ + return joomchk(json_object_new_string(value)); +} + +static struct json_object *to_jint(int value) +{ + return joomchk(json_object_new_int(value)); +} + +static struct json_object *to_jbool(int value) +{ + return joomchk(json_object_new_boolean(value)); +} + +/********************************** +* arguments helpers +***********************************/ + +static int string_to_bool(const char *value) +{ + static const char true_names[] = "1\0yes\0true\0on"; + static const char false_names[] = "0\0no\0false\0off"; + size_t pos; + + pos = 0; + while (pos < sizeof true_names) + if (strcasecmp(value, &true_names[pos])) + pos += 1 + strlen(&true_names[pos]); + else + return 1; + + pos = 0; + while (pos < sizeof false_names) + if (strcasecmp(value, &false_names[pos])) + pos += 1 + strlen(&false_names[pos]); + else + return 0; + + return -1; +} + +static void noarg(int optid) +{ + if (optarg) { + ERROR("option [--%s] need no value (found %s)", name_of_optid(optid), optarg); + exit(1); + } +} + +static const char *get_arg(int optid) +{ + if (optarg == 0) { + ERROR("option [--%s] needs a value i.e. --%s=xxx", + name_of_optid(optid), name_of_optid(optid)); + exit(1); + } + return optarg; +} + +static int get_arg_bool(int optid) +{ + int value = string_to_bool(get_arg(optid)); + if (value < 0) { + ERROR("option [--%s] needs a boolean value: yes/no, true/false, on/off, 1/0", + name_of_optid(optid)); + exit(1); + } + return value; +} + +static void config_del(struct json_object *config, int optid) +{ + return json_object_object_del(config, name_of_optid(optid)); +} + +static int config_has(struct json_object *config, int optid) +{ + return json_object_object_get_ex(config, name_of_optid(optid), NULL); +} + +static int config_has_bool(struct json_object *config, int optid) +{ + struct json_object *x; + return json_object_object_get_ex(config, name_of_optid(optid), &x) + && json_object_get_boolean(x); +} + +static int config_has_str(struct json_object *config, int optid, const char *val) +{ + int i, n; + struct json_object *a; + + if (!json_object_object_get_ex(config, name_of_optid(optid), &a)) + return 0; + + if (!json_object_is_type(a, json_type_array)) + return !strcmp(val, json_object_get_string(a)); + + n = (int)json_object_array_length(a); + for (i = 0 ; i < n ; i++) { + if (!strcmp(val, json_object_get_string(json_object_array_get_idx(a, i)))) + return 1; + } + return 0; +} + +static void config_set(struct json_object *config, int optid, struct json_object *val) +{ + json_object_object_add(config, name_of_optid(optid), val); +} + +static void config_set_str(struct json_object *config, int optid, const char *val) +{ + config_set(config, optid, to_jstr(val)); +} + +static void config_set_optstr(struct json_object *config, int optid) +{ + config_set_str(config, optid, get_arg(optid)); +} + +static void config_set_int(struct json_object *config, int optid, int value) +{ + config_set(config, optid, to_jint(value)); +} + +static void config_set_bool(struct json_object *config, int optid, int value) +{ + config_set(config, optid, to_jbool(value)); +} + +static void config_set_optint_base(struct json_object *config, int optid, int mini, int maxi, int base) +{ + const char *beg, *end; + long int val; + + beg = get_arg(optid); + val = strtol(beg, (char**)&end, base); + if (*end || end == beg) { + ERROR("option [--%s] requires a valid integer (found %s)", + name_of_optid(optid), beg); + exit(1); + } + if (val < (long int)mini || val > (long int)maxi) { + ERROR("option [--%s] value %ld out of bounds (not in [%d , %d])", + name_of_optid(optid), val, mini, maxi); + exit(1); + } + config_set_int(config, optid, (int)val); +} + +static void config_set_optint(struct json_object *config, int optid, int mini, int maxi) +{ + return config_set_optint_base(config, optid, mini, maxi, 10); +} + +__attribute__((unused)) +static void config_set_optenum(struct json_object *config, int optid, int (*func)(const char*)) +{ + const char *name = get_arg(optid); + get_enum_val(name, optid, func); + config_set_str(config, optid, name); +} + +static void config_add(struct json_object *config, int optid, struct json_object *val) +{ + struct json_object *a; + if (!json_object_object_get_ex(config, name_of_optid(optid), &a)) { + a = joomchk(json_object_new_array()); + json_object_object_add(config, name_of_optid(optid), a); + } + json_object_array_add(a, val); +} + +static void config_add_str(struct json_object *config, int optid, const char *val) +{ + config_add(config, optid, to_jstr(val)); +} + +static void config_add_optstr(struct json_object *config, int optid) +{ + config_add_str(config, optid, get_arg(optid)); +} + +static void config_mix2_cb(void *closure, struct json_object *obj, const char *name) +{ + struct json_object *dest, *base = closure; + + if (!name) + name = ""; + + if (!json_object_object_get_ex(base, name, &dest)) { + dest = joomchk(json_object_new_object()); + json_object_object_add(base, name, dest); + } + if (json_object_is_type(obj, json_type_object)) + wrap_json_object_add(dest, obj); + else + json_object_object_add(dest, "", json_object_get(obj)); +} + +static void config_mix2(struct json_object *config, int optid, struct json_object *val) +{ + struct json_object *obj; + + if (!json_object_object_get_ex(config, name_of_optid(optid), &obj)) { + obj = joomchk(json_object_new_object()); + json_object_object_add(config, name_of_optid(optid), obj); + } + wrap_json_for_all(val, config_mix2_cb, obj); +} + +static void config_mix2_str(struct json_object *config, int optid, const char *val) +{ + size_t st1, st2; + const char *api, *key; + struct json_object *obj, *sub; + enum json_tokener_error jerr; + + st1 = strcspn(val, "/:{[\""); + st2 = strcspn(&val[st1], ":{[\""); + if (val[st1] != '/' || val[st1 + st2] != ':') { + obj = json_tokener_parse_verbose(val, &jerr); + if (jerr != json_tokener_success) + obj = json_object_new_string(val); + } else { + api = st1 == 0 ? "*" : strndupa(val, st1); + val += st1 + 1; + key = st2 <= 1 || (st2 == 2 && *val == '*') ? NULL : strndupa(val, st2 - 1); + val += st2; + sub = json_tokener_parse_verbose(val, &jerr); + if (jerr != json_tokener_success) + sub = json_object_new_string(val); + + if (key) { + obj = json_object_new_object(); + json_object_object_add(obj, key, sub); + sub = obj; + } + obj = json_object_new_object(); + json_object_object_add(obj, api, sub); + } + config_mix2(config, optid, obj); + json_object_put(obj); +} + +static void config_mix2_optstr(struct json_object *config, int optid) +{ + config_mix2_str(config, optid, get_arg(optid)); +} + +/*--------------------------------------------------------- + | set the log levels + +--------------------------------------------------------- */ + +static void set_log(const char *args) +{ + char o = 0, s, *p, *i = strdupa(args); + int lvl; + + for(;;) switch (*i) { + case 0: + return; + case '+': + case '-': + o = *i; + /*@fallthrough@*/ + case ' ': + case ',': + i++; + break; + default: + p = i; + while (isalpha(*p)) p++; + s = *p; + *p = 0; + lvl = verbose_level_of_name(i); + if (lvl < 0) { + i = strdupa(i); + *p = s; + ERROR("Bad log name '%s' in %s", i, args); + exit(1); + } + *p = s; + i = p; + if (o == '-') + verbose_sub(lvl); + else { + if (!o) { + verbose_clear(); + o = '+'; + } + verbose_add(lvl); + } + break; + } +} + +/*--------------------------------------------------------- + | Parse option and launch action + +--------------------------------------------------------- */ + +static void parse_arguments_inner(int argc, char **argv, struct json_object *config, struct option *options) +{ + struct json_object *conf; + int optid, cind, dodump = 0; + + for (;;) { + cind = optind; + optid = getopt_long(argc, argv, shortopts, options, NULL); + if (optid < 0) { + /* end of options */ + break; + } + switch (optid) { + case SET_VERBOSE: + verbose_inc(); + break; + + case SET_COLOR: + verbose_colorize(); + break; + + case SET_QUIET: + verbose_dec(); + break; + + case SET_LOG: + set_log(get_arg(optid)); + break; + + case SET_PORT: + config_set_optint(config, optid, 1024, 32767); + break; + + case SET_API_TIMEOUT: + case SET_SESSION_TIMEOUT: + case SET_CACHE_TIMEOUT: + config_set_optint(config, optid, 0, INT_MAX); + break; + + case SET_SESSIONMAX: + config_set_optint(config, optid, 1, INT_MAX); + break; + + case SET_ROOT_DIR: + case SET_ROOT_HTTP: + case SET_ROOT_BASE: + case SET_ROOT_API: + case SET_TOKEN: + case SET_UPLOAD_DIR: + case SET_WORK_DIR: + case SET_NAME: + config_set_optstr(config, optid); + break; + +#if defined(WITH_DBUS_TRANSPARENCY) + case ADD_DBUS_CLIENT: + case ADD_DBUS_SERVICE: +#endif + case ADD_ALIAS: + case ADD_LDPATH: + case ADD_WEAK_LDPATH: + case ADD_CALL: + case ADD_WS_CLIENT: + case ADD_WS_SERVICE: + case ADD_BINDING: + case ADD_AUTO_API: + config_add_optstr(config, optid); + break; + + case ADD_SET: + config_mix2_optstr(config, optid); + break; + +#if defined(WITH_MONITORING_OPTION) + case SET_MONITORING: +#endif + case SET_RANDOM_TOKEN: + case SET_NO_HTTPD: + case SET_NO_LDPATH: + noarg(optid); + config_set_bool(config, optid, 1); + break; + + + case SET_FOREGROUND: + case SET_BACKGROUND: + case SET_DAEMON: + noarg(optid); + config_set_bool(config, SET_DAEMON, optid != SET_FOREGROUND); + break; + + case SET_TRAP_FAULTS: + config_set_bool(config, optid, get_arg_bool(optid)); + break; + + +#if WITH_AFB_HOOK + case SET_TRACEREQ: + config_set_optenum(config, optid, afb_hook_flags_xreq_from_text); + break; + + case SET_TRACEEVT: + config_set_optenum(config, optid, afb_hook_flags_evt_from_text); + break; + + case SET_TRACESES: + config_set_optenum(config, optid, afb_hook_flags_session_from_text); + break; + + case SET_TRACEAPI: + config_set_optenum(config, optid, afb_hook_flags_api_from_text); + break; + + case SET_TRACEGLOB: + config_set_optenum(config, optid, afb_hook_flags_global_from_text); + break; + +#if !defined(REMOVE_LEGACY_TRACE) + case SET_TRACEDITF: + config_set_optenum(config, optid, afb_hook_flags_legacy_ditf_from_text); + break; + + case SET_TRACESVC: + config_set_optenum(config, optid, afb_hook_flags_legacy_svc_from_text); + break; +#endif +#endif + + case SET_EXEC: + if (optind == argc) { + ERROR("The option --exec requires arguments"); + exit(1); + } + while (optind != argc) + config_add_str(config, optid, argv[optind++]); + break; + + case SET_CONFIG: + conf = json_object_from_file(get_arg(optid)); + if (!conf) { + ERROR("Can't read config file %s", get_arg(optid)); + exit(1); + } + wrap_json_object_add(config, conf); + json_object_put(conf); + break; + + case DUMP_CONFIG: + noarg(optid); + dodump = 1; + break; + + case GET_VERSION: + noarg(optid); + printVersion(stdout); + exit(0); + + case GET_HELP: + printHelp(stdout, argv[0]); + exit(0); + + default: + ERROR("Bad option detected, check %s", argv[cind]); + exit(1); + } + } + /* TODO: check for extra value */ + + if (dodump) { + dump(config, stdout, NULL, NULL); + exit(0); + } +} + +static void parse_arguments(int argc, char **argv, struct json_object *config) +{ + int ind; + struct option *options; + + /* create GNU getopt options from optdefs */ + options = malloc((sizeof optdefs / sizeof * optdefs) * sizeof * options); + for (ind = 0; optdefs[ind].name; ind++) { + options[ind].name = optdefs[ind].name; + options[ind].has_arg = optdefs[ind].has_arg; + options[ind].flag = NULL; + options[ind].val = optdefs[ind].id; + } + memset(&options[ind], 0, sizeof options[ind]); + + /* parse the arguments */ + parse_arguments_inner(argc, argv, config, options); + + /* release the memory of options */ + free(options); +} + +static void fulfill_config(struct json_object *config) +{ + int i; + + for (i = 0 ; i < sizeof default_optint_values / sizeof * default_optint_values ; i++) + if (!config_has(config, default_optint_values[i].optid)) + config_set_int(config, default_optint_values[i].optid, default_optint_values[i].valdef); + + for (i = 0 ; i < sizeof default_optstr_values / sizeof * default_optstr_values ; i++) + if (!config_has(config, default_optstr_values[i].optid)) + config_set_str(config, default_optstr_values[i].optid, default_optstr_values[i].valdef); + + // default AUTH_TOKEN + if (config_has_bool(config, SET_RANDOM_TOKEN)) + config_del(config, SET_TOKEN); + + if (!config_has(config, ADD_LDPATH) && !config_has(config, ADD_WEAK_LDPATH) && !config_has_bool(config, SET_NO_LDPATH)) + config_add_str(config, ADD_LDPATH, BINDING_INSTALL_DIR); + +#if defined(WITH_MONITORING_OPTION) + if (config_has_bool(config, SET_MONITORING) && !config_has_str(config, ADD_ALIAS, MONITORING_ALIAS)) + config_add_str(config, ADD_ALIAS, MONITORING_ALIAS); +#endif + +#if !defined(REMOVE_LEGACY_TRACE) && 0 + config->traceapi |= config->traceditf | config->tracesvc; +#endif +} + +static void on_environment(struct json_object *config, int optid, const char *name, void (*func)(struct json_object*, int, const char*)) +{ + char *value = secure_getenv(name); + + if (value && *value) + func(config, optid, value); +} + +__attribute__((unused)) +static void on_environment_enum(struct json_object *config, int optid, const char *name, int (*func)(const char*)) +{ + char *value = secure_getenv(name); + + if (value) { + if (func(value) == -1) + WARNING("Unknown value %s for environment variable %s, ignored", value, name); + else + config_set_str(config, optid, value); + } +} + +static void on_environment_bool(struct json_object *config, int optid, const char *name) +{ + char *value = secure_getenv(name); + int asbool; + + if (value) { + asbool = string_to_bool(value); + if (asbool < 0) + WARNING("Unknown value %s for environment variable %s, ignored", value, name); + else + config_set_bool(config, optid, asbool); + } +} + +static void parse_environment(struct json_object *config) +{ +#if WITH_AFB_HOOK + on_environment_enum(config, SET_TRACEREQ, "AFB_TRACEREQ", afb_hook_flags_xreq_from_text); + on_environment_enum(config, SET_TRACEEVT, "AFB_TRACEEVT", afb_hook_flags_evt_from_text); + on_environment_enum(config, SET_TRACESES, "AFB_TRACESES", afb_hook_flags_session_from_text); + on_environment_enum(config, SET_TRACEAPI, "AFB_TRACEAPI", afb_hook_flags_api_from_text); + on_environment_enum(config, SET_TRACEGLOB, "AFB_TRACEGLOB", afb_hook_flags_global_from_text); +#if !defined(REMOVE_LEGACY_TRACE) + on_environment_enum(config, SET_TRACEDITF, "AFB_TRACEDITF", afb_hook_flags_legacy_ditf_from_text); + on_environment_enum(config, SET_TRACESVC, "AFB_TRACESVC", afb_hook_flags_legacy_svc_from_text); +#endif +#endif + on_environment(config, ADD_LDPATH, "AFB_LDPATHS", config_add_str); + on_environment(config, ADD_SET, "AFB_SET", config_mix2_str); + on_environment_bool(config, SET_TRAP_FAULTS, "AFB_TRAP_FAULTS"); +} + +struct json_object *afb_args_parse(int argc, char **argv) +{ + struct json_object *result; + + init_options(); + + result = json_object_new_object(); + + parse_environment(result); + parse_arguments(argc, argv, result); + fulfill_config(result); + if (verbose_wants(Log_Level_Info)) + dump(result, stderr, "--", "CONFIG"); + return result; +} + +