X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-xreq.c;h=e6e47d6bfb2aad29f76dd638bea0acb084747266;hb=65353dce81a629e042800bb7b86fcd869a76727e;hp=c70e0006151509f16638a7b5209739830e73671d;hpb=bdff72f45e1d02f596595f6229d5bccf7c0827c2;p=src%2Fapp-framework-binder.git diff --git a/src/afb-xreq.c b/src/afb-xreq.c index c70e0006..e6e47d6b 100644 --- a/src/afb-xreq.c +++ b/src/afb-xreq.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2017 "IoT.bzh" + * Copyright (C) 2015-2020 "IoT.bzh" * Author José Bollo * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -16,219 +16,82 @@ */ #define _GNU_SOURCE -#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO #include #include #include #include +#include #include +#if !defined(JSON_C_TO_STRING_NOSLASHESCAPE) +#define JSON_C_TO_STRING_NOSLASHESCAPE 0 +#endif + #include #include +#include +#include +#include "afb-api.h" +#include "afb-apiset.h" +#include "afb-auth.h" +#include "afb-calls.h" #include "afb-context.h" -#include "afb-xreq.h" #include "afb-evt.h" -#include "afb-msg-json.h" #include "afb-cred.h" #include "afb-hook.h" -#include "afb-api.h" -#include "afb-apiset.h" -#include "afb-auth.h" +#include "afb-msg-json.h" +#include "afb-xreq.h" +#include "afb-error-text.h" + #include "jobs.h" #include "verbose.h" /******************************************************************************/ -static inline void xreq_addref(struct afb_xreq *xreq) +static void xreq_finalize(struct afb_xreq *xreq) { - __atomic_add_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED); -} - -static inline void xreq_unref(struct afb_xreq *xreq) -{ - if (!__atomic_sub_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED)) { - if (xreq->hookflags) - afb_hook_xreq_end(xreq); - xreq->queryitf->unref(xreq); - } -} - -/******************************************************************************/ - -extern const struct afb_req_itf xreq_itf; -extern const struct afb_req_itf xreq_hooked_itf; - -static inline struct afb_req to_req(struct afb_xreq *xreq) -{ - return (struct afb_req){ .itf = xreq->hookflags ? &xreq_hooked_itf : &xreq_itf, .closure = xreq }; -} - -/******************************************************************************/ - -struct subcall -{ - struct afb_xreq xreq; - struct afb_xreq *caller; - void (*callback)(void*, int, struct json_object*); - void *closure; - union { - struct { - struct jobloop *jobloop; - struct json_object *result; - int status; - }; - struct { - union { - void (*callback)(void*, int, struct json_object*); - void (*callback2)(void*, int, struct json_object*, struct afb_req); - }; - void *closure; - } hooked; - }; -}; - -static int subcall_subscribe(struct afb_xreq *xreq, struct afb_event event) -{ - struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq); - - return afb_xreq_subscribe(subcall->caller, event); -} - -static int subcall_unsubscribe(struct afb_xreq *xreq, struct afb_event event) -{ - struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq); - - return afb_xreq_unsubscribe(subcall->caller, event); -} - -static void subcall_reply(struct afb_xreq *xreq, int status, struct json_object *obj) -{ - struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq); - - if (subcall->callback) - subcall->callback(subcall->closure, status, obj); - json_object_put(obj); -} - -static void subcall_destroy(struct afb_xreq *xreq) -{ - struct subcall *subcall = CONTAINER_OF_XREQ(struct subcall, xreq); - - json_object_put(subcall->xreq.json); - afb_cred_unref(subcall->xreq.cred); - xreq_unref(subcall->caller); - free(subcall); -} - -const struct afb_xreq_query_itf afb_xreq_subcall_itf = { - .reply = subcall_reply, - .unref = subcall_destroy, - .subscribe = subcall_subscribe, - .unsubscribe = subcall_unsubscribe -}; - -static struct subcall *subcall_alloc( - struct afb_xreq *caller, - const char *api, - const char *verb, - struct json_object *args -) -{ - struct subcall *subcall; - size_t lenapi, lenverb; - char *copy; - - lenapi = 1 + strlen(api); - lenverb = 1 + strlen(verb); - subcall = malloc(lenapi + lenverb + sizeof *subcall); - if (!subcall) - ERROR("out of memory"); - else { - copy = (char*)&subcall[1]; - memcpy(copy, api, lenapi); - api = copy; - copy = ©[lenapi]; - memcpy(copy, verb, lenverb); - verb = copy; - - afb_xreq_init(&subcall->xreq, &afb_xreq_subcall_itf); - afb_context_subinit(&subcall->xreq.context, &caller->context); - subcall->xreq.cred = afb_cred_addref(caller->cred); - subcall->xreq.json = args; - subcall->xreq.api = api; - subcall->xreq.verb = verb; - subcall->caller = caller; - xreq_addref(caller); - } - return subcall; -} - -static void subcall_process(struct subcall *subcall) -{ - if (subcall->caller->queryitf->subcall) { - subcall->caller->queryitf->subcall( - subcall->caller, subcall->xreq.api, subcall->xreq.verb, - subcall->xreq.json, subcall->callback, subcall->closure); - xreq_unref(&subcall->xreq); - } else - afb_xreq_process(&subcall->xreq, subcall->caller->apiset); -} - -static void subcall_sync_leave(struct subcall *subcall) -{ - struct jobloop *jobloop = __atomic_exchange_n(&subcall->jobloop, NULL, __ATOMIC_RELAXED); - if (jobloop) - jobs_leave(jobloop); -} - -static void subcall_sync_reply(void *closure, int status, struct json_object *obj) -{ - struct subcall *subcall = closure; - - subcall->status = status; - subcall->result = json_object_get(obj); - subcall_sync_leave(subcall); + if (!xreq->replied) + afb_xreq_reply(xreq, NULL, afb_error_text_not_replied, NULL); +#if WITH_AFB_HOOK + if (xreq->hookflags) + afb_hook_xreq_end(xreq); +#endif + if (xreq->caller) + afb_xreq_unhooked_unref(xreq->caller); + xreq->queryitf->unref(xreq); } -static void subcall_sync_enter(int signum, void *closure, struct jobloop *jobloop) +inline void afb_xreq_unhooked_addref(struct afb_xreq *xreq) { - struct subcall *subcall = closure; - - if (!signum) { - subcall->jobloop = jobloop; - subcall_process(subcall); - } else { - subcall->status = -1; - subcall_sync_leave(subcall); - } + __atomic_add_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED); } -/******************************************************************************/ - -static void vinfo(void *first, void *second, const char *fmt, va_list args, void (*fun)(void*,void*,const char*)) +inline void afb_xreq_unhooked_unref(struct afb_xreq *xreq) { - char *info; - if (fmt == NULL || vasprintf(&info, fmt, args) < 0) - info = NULL; - fun(first, second, info); - free(info); + if (!__atomic_sub_fetch(&xreq->refcount, 1, __ATOMIC_RELAXED)) + xreq_finalize(xreq); } /******************************************************************************/ -static struct json_object *xreq_json_cb(void *closure) +struct json_object *afb_xreq_unhooked_json(struct afb_xreq *xreq) { - struct afb_xreq *xreq = closure; if (!xreq->json && xreq->queryitf->json) xreq->json = xreq->queryitf->json(xreq); return xreq->json; } -static struct afb_arg xreq_get_cb(void *closure, const char *name) +static struct json_object *xreq_json_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + return afb_xreq_unhooked_json(xreq); +} + +static struct afb_arg xreq_get_cb(struct afb_req_x2 *closure, const char *name) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); struct afb_arg arg; struct json_object *object, *value; @@ -248,368 +111,433 @@ static struct afb_arg xreq_get_cb(void *closure, const char *name) return arg; } -static void xreq_success_cb(void *closure, struct json_object *obj, const char *info) +static void xreq_reply_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *error, const char *info) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); if (xreq->replied) { ERROR("reply called more than one time!!"); json_object_put(obj); } else { xreq->replied = 1; - if (xreq->queryitf->success) - xreq->queryitf->success(xreq, obj, info); - else - xreq->queryitf->reply(xreq, 0, afb_msg_json_reply_ok(info, obj, &xreq->context, NULL)); + xreq->queryitf->reply(xreq, obj, error, info); } } -static void xreq_fail_cb(void *closure, const char *status, const char *info) +static void xreq_vreply_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *error, const char *fmt, va_list args) { - struct afb_xreq *xreq = closure; + char *info; + if (fmt == NULL || vasprintf(&info, fmt, args) < 0) + info = NULL; + xreq_reply_cb(closure, obj, error, info); + free(info); +} - if (xreq->replied) { - ERROR("reply called more than one time!!"); - } else { - xreq->replied = 1; - if (xreq->queryitf->fail) - xreq->queryitf->fail(xreq, status, info); - else - xreq->queryitf->reply(xreq, -1, afb_msg_json_reply_error(status, info, &xreq->context, NULL)); - } +static void xreq_legacy_success_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *info) +{ + xreq_reply_cb(closure, obj, NULL, info); } -static void xreq_vsuccess_cb(void *closure, struct json_object *obj, const char *fmt, va_list args) +static void xreq_legacy_fail_cb(struct afb_req_x2 *closure, const char *status, const char *info) { - vinfo(closure, obj, fmt, args, (void*)xreq_success_cb); + xreq_reply_cb(closure, NULL, status, info); } -static void xreq_vfail_cb(void *closure, const char *status, const char *fmt, va_list args) +static void xreq_legacy_vsuccess_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *fmt, va_list args) { - vinfo(closure, (void*)status, fmt, args, (void*)xreq_fail_cb); + xreq_vreply_cb(closure, obj, NULL, fmt, args); } -static void *xreq_context_get_cb(void *closure) +static void xreq_legacy_vfail_cb(struct afb_req_x2 *closure, const char *status, const char *fmt, va_list args) { - struct afb_xreq *xreq = closure; + xreq_vreply_cb(closure, NULL, status, fmt, args); +} + +static void *xreq_legacy_context_get_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_context_get(&xreq->context); } -static void xreq_context_set_cb(void *closure, void *value, void (*free_value)(void*)) +static void xreq_legacy_context_set_cb(struct afb_req_x2 *closure, void *value, void (*free_value)(void*)) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); afb_context_set(&xreq->context, value, free_value); } -static void xreq_addref_cb(void *closure) +static struct afb_req_x2 *xreq_addref_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; - xreq_addref(xreq); + struct afb_xreq *xreq = xreq_from_req_x2(closure); + afb_xreq_unhooked_addref(xreq); + return closure; } -static void xreq_unref_cb(void *closure) +static void xreq_unref_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; - xreq_unref(xreq); + struct afb_xreq *xreq = xreq_from_req_x2(closure); + afb_xreq_unhooked_unref(xreq); } -static void xreq_session_close_cb(void *closure) +static void xreq_session_close_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); afb_context_close(&xreq->context); } -static int xreq_session_set_LOA_cb(void *closure, unsigned level) +static int xreq_session_set_LOA_cb(struct afb_req_x2 *closure, unsigned level) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_context_change_loa(&xreq->context, level); } -static int xreq_subscribe_cb(void *closure, struct afb_event event) +static int xreq_subscribe_event_x2_cb(struct afb_req_x2 *closure, struct afb_event_x2 *event) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_xreq_subscribe(xreq, event); } -int afb_xreq_subscribe(struct afb_xreq *xreq, struct afb_event event) +static int xreq_legacy_subscribe_event_x1_cb(struct afb_req_x2 *closure, struct afb_event_x1 event) { - if (xreq->listener) - return afb_evt_add_watch(xreq->listener, event); - if (xreq->queryitf->subscribe) - return xreq->queryitf->subscribe(xreq, event); - ERROR("no event listener, subscription impossible"); - errno = EINVAL; + return xreq_subscribe_event_x2_cb(closure, afb_event_x1_to_event_x2(event)); +} + +int afb_xreq_subscribe(struct afb_xreq *xreq, struct afb_event_x2 *event) +{ + if (xreq->replied) { + ERROR("request replied, subscription impossible"); + errno = EINVAL; + } else { + if (xreq->queryitf->subscribe) + return xreq->queryitf->subscribe(xreq, event); + ERROR("no event listener, subscription impossible"); + errno = ENOTSUP; + } return -1; } -static int xreq_unsubscribe_cb(void *closure, struct afb_event event) +static int xreq_unsubscribe_event_x2_cb(struct afb_req_x2 *closure, struct afb_event_x2 *event) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_xreq_unsubscribe(xreq, event); } -int afb_xreq_unsubscribe(struct afb_xreq *xreq, struct afb_event event) +static int xreq_legacy_unsubscribe_event_x1_cb(struct afb_req_x2 *closure, struct afb_event_x1 event) { - if (xreq->listener) - return afb_evt_remove_watch(xreq->listener, event); - if (xreq->queryitf->unsubscribe) - return xreq->queryitf->unsubscribe(xreq, event); - ERROR("no event listener, unsubscription impossible"); - errno = EINVAL; - return -1; + return xreq_unsubscribe_event_x2_cb(closure, afb_event_x1_to_event_x2(event)); } -static void xreq_subcall_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) +int afb_xreq_unsubscribe(struct afb_xreq *xreq, struct afb_event_x2 *event) { - struct afb_xreq *xreq = closure; - struct subcall *subcall; - - subcall = subcall_alloc(xreq, api, verb, args); - if (subcall == NULL) { - if (callback) - callback(cb_closure, 1, afb_msg_json_internal_error()); - json_object_put(args); + if (xreq->replied) { + ERROR("request replied, unsubscription impossible"); + errno = EINVAL; } else { - subcall->callback = callback; - subcall->closure = cb_closure; - subcall_process(subcall); + if (xreq->queryitf->unsubscribe) + return xreq->queryitf->unsubscribe(xreq, event); + ERROR("no event listener, unsubscription impossible"); + errno = ENOTSUP; } + return -1; } -static void xreq_subcall_req_reply_cb(void *closure, int status, struct json_object *result) +static void xreq_legacy_subcall_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure) { - struct subcall *subcall = closure; - subcall->hooked.callback2(subcall->hooked.closure, status, result, to_req(subcall->caller)); + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_legacy_subcall_v1(xreq, api, verb, args, callback, closure); } -static void xreq_subcall_req_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure) +static void xreq_legacy_subcall_req_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req_x1), void *closure) { - struct afb_xreq *xreq = closure; - struct subcall *subcall; + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_legacy_subcall_v2(xreq, api, verb, args, callback, closure); +} - subcall = subcall_alloc(xreq, api, verb, args); - if (subcall == NULL) { - if (callback) - callback(cb_closure, 1, afb_msg_json_internal_error(), to_req(xreq)); - json_object_put(args); - } else { - subcall->callback = xreq_subcall_req_reply_cb; - subcall->closure = subcall; - subcall->hooked.callback2 = callback; - subcall->hooked.closure = cb_closure; - subcall_process(subcall); +static void xreq_legacy_subcall_request_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req_x2*), void *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_legacy_subcall_v3(xreq, api, verb, args, callback, closure); +} + + +static int xreq_legacy_subcallsync_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, struct json_object **result) +{ + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_legacy_subcall_sync(xreq, api, verb, args, result); +} + +static void xreq_vverbose_cb(struct afb_req_x2 *closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +{ + char *p; + struct afb_xreq *xreq = xreq_from_req_x2(closure); + + if (!fmt || vasprintf(&p, fmt, args) < 0) + vverbose(level, file, line, func, fmt, args); + else { + verbose(level, file, line, func, "[REQ/API %s] %s", xreq->request.called_api, p); + free(p); } } +static struct afb_stored_req *xreq_legacy_store_cb(struct afb_req_x2 *closure) +{ + xreq_addref_cb(closure); + return (struct afb_stored_req*)closure; +} + +static int xreq_has_permission_cb(struct afb_req_x2 *closure, const char *permission) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + return afb_context_has_permission(&xreq->context, permission); +} -static int xreq_subcallsync_cb(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result) +static char *xreq_get_application_id_cb(struct afb_req_x2 *closure) { - int rc; - struct subcall *subcall; - struct afb_xreq *xreq = closure; - struct json_object *resu; + struct afb_xreq *xreq = xreq_from_req_x2(closure); + struct afb_cred *cred = xreq->context.credentials; + return cred && cred->id ? strdup(cred->id) : NULL; +} - subcall = subcall_alloc(xreq, api, verb, args); - if (!subcall) { - rc = -1; - resu = afb_msg_json_internal_error(); - json_object_put(args); - } else { - subcall->callback = subcall_sync_reply; - subcall->closure = subcall; - subcall->jobloop = NULL; - subcall->result = NULL; - subcall->status = 0; - rc = jobs_enter(NULL, 0, subcall_sync_enter, subcall); - resu = subcall->result; - if (rc < 0 || subcall->status < 0) { - resu = resu ?: afb_msg_json_internal_error(); - rc = -1; - } +static void *xreq_context_make_cb(struct afb_req_x2 *closure, int replace, void *(*create_value)(void*), void (*free_value)(void*), void *create_closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + return afb_context_make(&xreq->context, replace, create_value, free_value, create_closure); +} + +static int xreq_get_uid_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + struct afb_cred *cred = xreq->context.credentials; + return cred && cred->id ? (int)cred->uid : -1; +} + +static struct json_object *xreq_get_client_info_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + struct afb_cred *cred = xreq->context.credentials; + struct json_object *r = json_object_new_object(); + if (cred && cred->id) { + json_object_object_add(r, "uid", json_object_new_int(cred->uid)); + json_object_object_add(r, "gid", json_object_new_int(cred->gid)); + json_object_object_add(r, "pid", json_object_new_int(cred->pid)); + json_object_object_add(r, "user", json_object_new_string(cred->user)); + json_object_object_add(r, "label", json_object_new_string(cred->label)); + json_object_object_add(r, "id", json_object_new_string(cred->id)); } - if (result) - *result = resu; - else - json_object_put(resu); - return rc; + if (xreq->context.session) { + json_object_object_add(r, "uuid", json_object_new_string(afb_context_uuid(&xreq->context)?:"")); + json_object_object_add(r, "LOA", json_object_new_int(afb_context_get_loa(&xreq->context))); + } + return r; } -static void xreq_vverbose_cb(void*closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +static void xreq_subcall_cb( + struct afb_req_x2 *req, + const char *api, + const char *verb, + struct json_object *args, + int flags, + void (*callback)(void *closure, struct json_object *object, const char *error, const char * info, struct afb_req_x2 *req), + void *closure) { - /* TODO: improves the implementation. example: on condition make a list of log messages that will be returned */ - vverbose(level, file, line, func, fmt, args); + struct afb_xreq *xreq = xreq_from_req_x2(req); + afb_calls_subcall(xreq, api, verb, args, flags, callback, closure); } -static struct afb_stored_req *xreq_store_cb(void *closure) +static int xreq_subcallsync_cb( + struct afb_req_x2 *req, + const char *api, + const char *verb, + struct json_object *args, + int flags, + struct json_object **object, + char **error, + char **info) { - xreq_addref_cb(closure); - return closure; + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_subcall_sync(xreq, api, verb, args, flags, object, error, info); } /******************************************************************************/ -static struct json_object *xreq_hooked_json_cb(void *closure) +const struct afb_req_x2_itf xreq_itf = { + .json = xreq_json_cb, + .get = xreq_get_cb, + .legacy_success = xreq_legacy_success_cb, + .legacy_fail = xreq_legacy_fail_cb, + .legacy_vsuccess = xreq_legacy_vsuccess_cb, + .legacy_vfail = xreq_legacy_vfail_cb, + .legacy_context_get = xreq_legacy_context_get_cb, + .legacy_context_set = xreq_legacy_context_set_cb, + .addref = xreq_addref_cb, + .unref = xreq_unref_cb, + .session_close = xreq_session_close_cb, + .session_set_LOA = xreq_session_set_LOA_cb, + .legacy_subscribe_event_x1 = xreq_legacy_subscribe_event_x1_cb, + .legacy_unsubscribe_event_x1 = xreq_legacy_unsubscribe_event_x1_cb, + .legacy_subcall = xreq_legacy_subcall_cb, + .legacy_subcallsync = xreq_legacy_subcallsync_cb, + .vverbose = xreq_vverbose_cb, + .legacy_store_req = xreq_legacy_store_cb, + .legacy_subcall_req = xreq_legacy_subcall_req_cb, + .has_permission = xreq_has_permission_cb, + .get_application_id = xreq_get_application_id_cb, + .context_make = xreq_context_make_cb, + .subscribe_event_x2 = xreq_subscribe_event_x2_cb, + .unsubscribe_event_x2 = xreq_unsubscribe_event_x2_cb, + .legacy_subcall_request = xreq_legacy_subcall_request_cb, + .get_uid = xreq_get_uid_cb, + .reply = xreq_reply_cb, + .vreply = xreq_vreply_cb, + .get_client_info = xreq_get_client_info_cb, + .subcall = xreq_subcall_cb, + .subcallsync = xreq_subcallsync_cb, +}; +/******************************************************************************/ +#if WITH_AFB_HOOK + +static struct json_object *xreq_hooked_json_cb(struct afb_req_x2 *closure) { struct json_object *r = xreq_json_cb(closure); - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_hook_xreq_json(xreq, r); } -static struct afb_arg xreq_hooked_get_cb(void *closure, const char *name) +static struct afb_arg xreq_hooked_get_cb(struct afb_req_x2 *closure, const char *name) { struct afb_arg r = xreq_get_cb(closure, name); - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_hook_xreq_get(xreq, name, r); } -static void xreq_hooked_success_cb(void *closure, struct json_object *obj, const char *info) +static void xreq_hooked_reply_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *error, const char *info) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + afb_hook_xreq_reply(xreq, obj, error, info); + xreq_reply_cb(closure, obj, error, info); +} + +static void xreq_hooked_vreply_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *error, const char *fmt, va_list args) { - struct afb_xreq *xreq = closure; - afb_hook_xreq_success(xreq, obj, info); - xreq_success_cb(closure, obj, info); + char *info; + if (fmt == NULL || vasprintf(&info, fmt, args) < 0) + info = NULL; + xreq_hooked_reply_cb(closure, obj, error, info); + free(info); } -static void xreq_hooked_fail_cb(void *closure, const char *status, const char *info) +static void xreq_hooked_legacy_success_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *info) { - struct afb_xreq *xreq = closure; - afb_hook_xreq_fail(xreq, status, info); - xreq_fail_cb(closure, status, info); + xreq_hooked_reply_cb(closure, obj, NULL, info); } -static void xreq_hooked_vsuccess_cb(void *closure, struct json_object *obj, const char *fmt, va_list args) +static void xreq_hooked_legacy_fail_cb(struct afb_req_x2 *closure, const char *status, const char *info) { - vinfo(closure, obj, fmt, args, (void*)xreq_hooked_success_cb); + xreq_hooked_reply_cb(closure, NULL, status, info); } -static void xreq_hooked_vfail_cb(void *closure, const char *status, const char *fmt, va_list args) +static void xreq_hooked_legacy_vsuccess_cb(struct afb_req_x2 *closure, struct json_object *obj, const char *fmt, va_list args) { - vinfo(closure, (void*)status, fmt, args, (void*)xreq_hooked_fail_cb); + xreq_hooked_vreply_cb(closure, obj, NULL, fmt, args); } -static void *xreq_hooked_context_get_cb(void *closure) +static void xreq_hooked_legacy_vfail_cb(struct afb_req_x2 *closure, const char *status, const char *fmt, va_list args) { - void *r = xreq_context_get_cb(closure); - struct afb_xreq *xreq = closure; - return afb_hook_xreq_context_get(xreq, r); + xreq_hooked_vreply_cb(closure, NULL, status, fmt, args); } -static void xreq_hooked_context_set_cb(void *closure, void *value, void (*free_value)(void*)) +static void *xreq_hooked_legacy_context_get_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; - afb_hook_xreq_context_set(xreq, value, free_value); - xreq_context_set_cb(closure, value, free_value); + void *r = xreq_legacy_context_get_cb(closure); + struct afb_xreq *xreq = xreq_from_req_x2(closure); + return afb_hook_xreq_legacy_context_get(xreq, r); } -static void xreq_hooked_addref_cb(void *closure) +static void xreq_hooked_legacy_context_set_cb(struct afb_req_x2 *closure, void *value, void (*free_value)(void*)) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); + afb_hook_xreq_legacy_context_set(xreq, value, free_value); + xreq_legacy_context_set_cb(closure, value, free_value); +} + +static struct afb_req_x2 *xreq_hooked_addref_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); afb_hook_xreq_addref(xreq); - xreq_addref_cb(closure); + return xreq_addref_cb(closure); } -static void xreq_hooked_unref_cb(void *closure) +static void xreq_hooked_unref_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); afb_hook_xreq_unref(xreq); xreq_unref_cb(closure); } -static void xreq_hooked_session_close_cb(void *closure) +static void xreq_hooked_session_close_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); afb_hook_xreq_session_close(xreq); xreq_session_close_cb(closure); } -static int xreq_hooked_session_set_LOA_cb(void *closure, unsigned level) +static int xreq_hooked_session_set_LOA_cb(struct afb_req_x2 *closure, unsigned level) { int r = xreq_session_set_LOA_cb(closure, level); - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_hook_xreq_session_set_LOA(xreq, level, r); } -static int xreq_hooked_subscribe_cb(void *closure, struct afb_event event) +static int xreq_hooked_subscribe_event_x2_cb(struct afb_req_x2 *closure, struct afb_event_x2 *event) { - int r = xreq_subscribe_cb(closure, event); - struct afb_xreq *xreq = closure; + int r = xreq_subscribe_event_x2_cb(closure, event); + struct afb_xreq *xreq = xreq_from_req_x2(closure); return afb_hook_xreq_subscribe(xreq, event, r); } -static int xreq_hooked_unsubscribe_cb(void *closure, struct afb_event event) +static int xreq_hooked_legacy_subscribe_event_x1_cb(struct afb_req_x2 *closure, struct afb_event_x1 event) { - int r = xreq_unsubscribe_cb(closure, event); - struct afb_xreq *xreq = closure; - return afb_hook_xreq_unsubscribe(xreq, event, r); + return xreq_hooked_subscribe_event_x2_cb(closure, afb_event_x1_to_event_x2(event)); } -static void xreq_hooked_subcall_reply_cb(void *closure, int status, struct json_object *result) +static int xreq_hooked_unsubscribe_event_x2_cb(struct afb_req_x2 *closure, struct afb_event_x2 *event) { - struct subcall *subcall = closure; - - afb_hook_xreq_subcall_result(subcall->caller, status, result); - subcall->hooked.callback(subcall->hooked.closure, status, result); + int r = xreq_unsubscribe_event_x2_cb(closure, event); + struct afb_xreq *xreq = xreq_from_req_x2(closure); + return afb_hook_xreq_unsubscribe(xreq, event, r); } -static void xreq_hooked_subcall_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) +static int xreq_hooked_legacy_unsubscribe_event_x1_cb(struct afb_req_x2 *closure, struct afb_event_x1 event) { - struct afb_xreq *xreq = closure; - struct subcall *subcall; - - afb_hook_xreq_subcall(xreq, api, verb, args); - subcall = subcall_alloc(xreq, api, verb, args); - if (subcall == NULL) { - if (callback) - callback(cb_closure, 1, afb_msg_json_internal_error()); - json_object_put(args); - } else { - subcall->callback = xreq_hooked_subcall_reply_cb; - subcall->closure = subcall; - subcall->hooked.callback = callback; - subcall->hooked.closure = cb_closure; - subcall_process(subcall); - } + return xreq_hooked_unsubscribe_event_x2_cb(closure, afb_event_x1_to_event_x2(event)); } -static void xreq_hooked_subcall_req_reply_cb(void *closure, int status, struct json_object *result) +static void xreq_hooked_legacy_subcall_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *closure) { - struct subcall *subcall = closure; - - afb_hook_xreq_subcall_req_result(subcall->caller, status, result); - subcall->hooked.callback2(subcall->hooked.closure, status, result, to_req(subcall->caller)); + struct afb_xreq *xreq = xreq_from_req_x2(req); + afb_calls_legacy_hooked_subcall_v1(xreq, api, verb, args, callback, closure); } -static void xreq_hooked_subcall_req_cb(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req), void *cb_closure) +static void xreq_hooked_legacy_subcall_req_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req_x1), void *closure) { - struct afb_xreq *xreq = closure; - struct subcall *subcall; + struct afb_xreq *xreq = xreq_from_req_x2(req); + afb_calls_legacy_hooked_subcall_v2(xreq, api, verb, args, callback, closure); +} - afb_hook_xreq_subcall_req(xreq, api, verb, args); - subcall = subcall_alloc(xreq, api, verb, args); - if (subcall == NULL) { - if (callback) - callback(cb_closure, 1, afb_msg_json_internal_error(), to_req(xreq)); - json_object_put(args); - } else { - subcall->callback = xreq_hooked_subcall_req_reply_cb; - subcall->closure = subcall; - subcall->hooked.callback2 = callback; - subcall->hooked.closure = cb_closure; - subcall_process(subcall); - } +static void xreq_hooked_legacy_subcall_request_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req_x2 *), void *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(req); + afb_calls_legacy_hooked_subcall_v3(xreq, api, verb, args, callback, closure); } -static int xreq_hooked_subcallsync_cb(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result) +static int xreq_hooked_legacy_subcallsync_cb(struct afb_req_x2 *req, const char *api, const char *verb, struct json_object *args, struct json_object **result) { - int r; - struct afb_xreq *xreq = closure; - afb_hook_xreq_subcallsync(xreq, api, verb, args); - r = xreq_subcallsync_cb(closure, api, verb, args, result); - return afb_hook_xreq_subcallsync_result(xreq, r, *result); + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_legacy_hooked_subcall_sync(xreq, api, verb, args, result); } -static void xreq_hooked_vverbose_cb(void*closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +static void xreq_hooked_vverbose_cb(struct afb_req_x2 *closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args) { - struct afb_xreq *xreq = closure; + struct afb_xreq *xreq = xreq_from_req_x2(closure); va_list ap; va_copy(ap, args); xreq_vverbose_cb(closure, level, file, line, func, fmt, args); @@ -617,305 +545,365 @@ static void xreq_hooked_vverbose_cb(void*closure, int level, const char *file, i va_end(ap); } -static struct afb_stored_req *xreq_hooked_store_cb(void *closure) +static struct afb_stored_req *xreq_hooked_legacy_store_cb(struct afb_req_x2 *closure) { - struct afb_xreq *xreq = closure; - struct afb_stored_req *r = xreq_store_cb(closure); - afb_hook_xreq_store(xreq, r); + struct afb_xreq *xreq = xreq_from_req_x2(closure); + struct afb_stored_req *r = xreq_legacy_store_cb(closure); + afb_hook_xreq_legacy_store(xreq, r); return r; } -/******************************************************************************/ +static int xreq_hooked_has_permission_cb(struct afb_req_x2 *closure, const char *permission) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + int r = xreq_has_permission_cb(closure, permission); + return afb_hook_xreq_has_permission(xreq, permission, r); +} -const struct afb_req_itf xreq_itf = { - .json = xreq_json_cb, - .get = xreq_get_cb, - .success = xreq_success_cb, - .fail = xreq_fail_cb, - .vsuccess = xreq_vsuccess_cb, - .vfail = xreq_vfail_cb, - .context_get = xreq_context_get_cb, - .context_set = xreq_context_set_cb, - .addref = xreq_addref_cb, - .unref = xreq_unref_cb, - .session_close = xreq_session_close_cb, - .session_set_LOA = xreq_session_set_LOA_cb, - .subscribe = xreq_subscribe_cb, - .unsubscribe = xreq_unsubscribe_cb, - .subcall = xreq_subcall_cb, - .subcallsync = xreq_subcallsync_cb, - .vverbose = xreq_vverbose_cb, - .store = xreq_store_cb, - .subcall_req = xreq_subcall_req_cb -}; +static char *xreq_hooked_get_application_id_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + char *r = xreq_get_application_id_cb(closure); + return afb_hook_xreq_get_application_id(xreq, r); +} + +static void *xreq_hooked_context_make_cb(struct afb_req_x2 *closure, int replace, void *(*create_value)(void*), void (*free_value)(void*), void *create_closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + void *result = xreq_context_make_cb(closure, replace, create_value, free_value, create_closure); + return afb_hook_xreq_context_make(xreq, replace, create_value, free_value, create_closure, result); +} + +static int xreq_hooked_get_uid_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + int r = xreq_get_uid_cb(closure); + return afb_hook_xreq_get_uid(xreq, r); +} + +static struct json_object *xreq_hooked_get_client_info_cb(struct afb_req_x2 *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(closure); + struct json_object *r = xreq_get_client_info_cb(closure); + return afb_hook_xreq_get_client_info(xreq, r); +} + +static void xreq_hooked_subcall_cb( + struct afb_req_x2 *req, + const char *api, + const char *verb, + struct json_object *args, + int flags, + void (*callback)(void *closure, struct json_object *object, const char *error, const char * info, struct afb_req_x2 *req), + void *closure) +{ + struct afb_xreq *xreq = xreq_from_req_x2(req); + afb_calls_hooked_subcall(xreq, api, verb, args, flags, callback, closure); +} + +static int xreq_hooked_subcallsync_cb( + struct afb_req_x2 *req, + const char *api, + const char *verb, + struct json_object *args, + int flags, + struct json_object **object, + char **error, + char **info) +{ + struct afb_xreq *xreq = xreq_from_req_x2(req); + return afb_calls_hooked_subcall_sync(xreq, api, verb, args, flags, object, error, info); +} -const struct afb_req_itf xreq_hooked_itf = { +/******************************************************************************/ + +const struct afb_req_x2_itf xreq_hooked_itf = { .json = xreq_hooked_json_cb, .get = xreq_hooked_get_cb, - .success = xreq_hooked_success_cb, - .fail = xreq_hooked_fail_cb, - .vsuccess = xreq_hooked_vsuccess_cb, - .vfail = xreq_hooked_vfail_cb, - .context_get = xreq_hooked_context_get_cb, - .context_set = xreq_hooked_context_set_cb, + .legacy_success = xreq_hooked_legacy_success_cb, + .legacy_fail = xreq_hooked_legacy_fail_cb, + .legacy_vsuccess = xreq_hooked_legacy_vsuccess_cb, + .legacy_vfail = xreq_hooked_legacy_vfail_cb, + .legacy_context_get = xreq_hooked_legacy_context_get_cb, + .legacy_context_set = xreq_hooked_legacy_context_set_cb, .addref = xreq_hooked_addref_cb, .unref = xreq_hooked_unref_cb, .session_close = xreq_hooked_session_close_cb, .session_set_LOA = xreq_hooked_session_set_LOA_cb, - .subscribe = xreq_hooked_subscribe_cb, - .unsubscribe = xreq_hooked_unsubscribe_cb, + .legacy_subscribe_event_x1 = xreq_hooked_legacy_subscribe_event_x1_cb, + .legacy_unsubscribe_event_x1 = xreq_hooked_legacy_unsubscribe_event_x1_cb, + .legacy_subcall = xreq_hooked_legacy_subcall_cb, + .legacy_subcallsync = xreq_hooked_legacy_subcallsync_cb, + .vverbose = xreq_hooked_vverbose_cb, + .legacy_store_req = xreq_hooked_legacy_store_cb, + .legacy_subcall_req = xreq_hooked_legacy_subcall_req_cb, + .has_permission = xreq_hooked_has_permission_cb, + .get_application_id = xreq_hooked_get_application_id_cb, + .context_make = xreq_hooked_context_make_cb, + .subscribe_event_x2 = xreq_hooked_subscribe_event_x2_cb, + .unsubscribe_event_x2 = xreq_hooked_unsubscribe_event_x2_cb, + .legacy_subcall_request = xreq_hooked_legacy_subcall_request_cb, + .get_uid = xreq_hooked_get_uid_cb, + .reply = xreq_hooked_reply_cb, + .vreply = xreq_hooked_vreply_cb, + .get_client_info = xreq_hooked_get_client_info_cb, .subcall = xreq_hooked_subcall_cb, .subcallsync = xreq_hooked_subcallsync_cb, - .vverbose = xreq_hooked_vverbose_cb, - .store = xreq_hooked_store_cb, - .subcall_req = xreq_hooked_subcall_req_cb }; +#endif /******************************************************************************/ -struct afb_req afb_xreq_unstore(struct afb_stored_req *sreq) +struct afb_req_x1 afb_xreq_unstore(struct afb_stored_req *sreq) { struct afb_xreq *xreq = (struct afb_xreq *)sreq; +#if WITH_AFB_HOOK if (xreq->hookflags) - afb_hook_xreq_unstore(xreq); - return to_req(xreq); + afb_hook_xreq_legacy_unstore(xreq); +#endif + return xreq_to_req_x1(xreq); } struct json_object *afb_xreq_json(struct afb_xreq *xreq) { - return afb_req_json(to_req(xreq)); + return afb_req_x2_json(xreq_to_req_x2(xreq)); } -void afb_xreq_success(struct afb_xreq *xreq, struct json_object *obj, const char *info) +void afb_xreq_reply(struct afb_xreq *xreq, struct json_object *obj, const char *error, const char *info) { - afb_req_success(to_req(xreq), obj, info); + afb_req_x2_reply(xreq_to_req_x2(xreq), obj, error, info); } -void afb_xreq_success_f(struct afb_xreq *xreq, struct json_object *obj, const char *info, ...) +void afb_xreq_reply_f(struct afb_xreq *xreq, struct json_object *obj, const char *error, const char *info, ...) { - char *message; va_list args; - va_start(args, info); - if (info == NULL || vasprintf(&message, info, args) < 0) - message = NULL; - va_end(args); - afb_xreq_success(xreq, obj, message); - free(message); -} - -void afb_xreq_fail(struct afb_xreq *xreq, const char *status, const char *info) -{ - afb_req_fail(to_req(xreq), status, info); -} -void afb_xreq_fail_f(struct afb_xreq *xreq, const char *status, const char *info, ...) -{ - char *message; - va_list args; va_start(args, info); - if (info == NULL || vasprintf(&message, info, args) < 0) - message = NULL; + afb_req_x2_reply_v(xreq_to_req_x2(xreq), obj, error, info, args); va_end(args); - afb_xreq_fail(xreq, status, message); - free(message); } const char *afb_xreq_raw(struct afb_xreq *xreq, size_t *size) { - struct json_object *obj = xreq_json_cb(xreq); - const char *result = json_object_to_json_string(obj); + struct json_object *obj = xreq_json_cb(xreq_to_req_x2(xreq)); + const char *result = json_object_to_json_string_ext(obj, JSON_C_TO_STRING_NOSLASHESCAPE); if (size != NULL) *size = strlen(result); return result; } -void afb_xreq_addref(struct afb_xreq *xreq) +void afb_xreq_unhooked_legacy_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req_x2 *), void *cb_closure) { - afb_req_addref(to_req(xreq)); + xreq_legacy_subcall_request_cb(xreq_to_req_x2(xreq), api, verb, args, callback, cb_closure); } -void afb_xreq_unref(struct afb_xreq *xreq) +void afb_xreq_unhooked_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, int flags, void (*callback)(void*, struct json_object*, const char*, const char*, struct afb_req_x2 *), void *closure) { - afb_req_unref(to_req(xreq)); + xreq_subcall_cb(xreq_to_req_x2(xreq), api, verb, args, flags, callback, closure); } -void afb_xreq_unhooked_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) +int afb_xreq_unhooked_legacy_subcall_sync(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, struct json_object **result) { - xreq_subcall_cb(xreq, api, verb, args, callback, cb_closure); + return xreq_legacy_subcallsync_cb(xreq_to_req_x2(xreq), api, verb, args, result); } -void afb_xreq_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure) +void afb_xreq_addref(struct afb_xreq *xreq) { - afb_req_subcall(to_req(xreq), api, verb, args, callback, cb_closure); + afb_req_x2_addref(xreq_to_req_x2(xreq)); } -int afb_xreq_unhooked_subcall_sync(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, struct json_object **result) +void afb_xreq_unref(struct afb_xreq *xreq) { - return xreq_subcallsync_cb(xreq, api, verb, args, result); + afb_req_x2_unref(xreq_to_req_x2(xreq)); } -int afb_xreq_subcall_sync(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, struct json_object **result) +void afb_xreq_legacy_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*, struct afb_req_x2 *), void *cb_closure) { - return afb_req_subcall_sync(to_req(xreq), api, verb, args, result); + afb_req_x2_subcall_legacy(xreq_to_req_x2(xreq), api, verb, args, callback, cb_closure); } -static int xreq_session_check_apply_v1(struct afb_xreq *xreq, int sessionflags) +void afb_xreq_subcall(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, int flags, void (*callback)(void*, struct json_object*, const char*, const char*, struct afb_req_x2 *), void *closure) { - int loa; - - if ((sessionflags & (AFB_SESSION_CLOSE_V1|AFB_SESSION_RENEW_V1|AFB_SESSION_CHECK_V1|AFB_SESSION_LOA_EQ_V1)) != 0) { - if (!afb_context_check(&xreq->context)) { - afb_context_close(&xreq->context); - afb_xreq_fail_f(xreq, "denied", "invalid token's identity"); - errno = EINVAL; - return -1; - } - } - - if ((sessionflags & AFB_SESSION_LOA_GE_V1) != 0) { - loa = (sessionflags >> AFB_SESSION_LOA_SHIFT_V1) & AFB_SESSION_LOA_MASK_V1; - if (!afb_context_check_loa(&xreq->context, loa)) { - afb_xreq_fail_f(xreq, "denied", "invalid LOA"); - errno = EPERM; - return -1; - } - } - - if ((sessionflags & AFB_SESSION_LOA_LE_V1) != 0) { - loa = (sessionflags >> AFB_SESSION_LOA_SHIFT_V1) & AFB_SESSION_LOA_MASK_V1; - if (afb_context_check_loa(&xreq->context, loa + 1)) { - afb_xreq_fail_f(xreq, "denied", "invalid LOA"); - errno = EPERM; - return -1; - } - } - - if ((sessionflags & AFB_SESSION_RENEW_V1) != 0) { - afb_context_refresh(&xreq->context); - } - if ((sessionflags & AFB_SESSION_CLOSE_V1) != 0) { - afb_context_change_loa(&xreq->context, 0); - afb_context_close(&xreq->context); - } - - return 0; + afb_req_x2_subcall(xreq_to_req_x2(xreq), api, verb, args, flags, callback, closure); } -static int xreq_session_check_apply_v2(struct afb_xreq *xreq, uint32_t sessionflags, const struct afb_auth *auth) +int afb_xreq_legacy_subcall_sync(struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args, struct json_object **result) { - int loa; - - if (sessionflags != 0) { - if (!afb_context_check(&xreq->context)) { - afb_context_close(&xreq->context); - afb_xreq_fail_f(xreq, "denied", "invalid token's identity"); - errno = EINVAL; - return -1; - } - } + return afb_req_x2_subcall_sync_legacy(xreq_to_req_x2(xreq), api, verb, args, result); +} - loa = (int)(sessionflags & AFB_SESSION_LOA_MASK_V2); - if (loa && !afb_context_check_loa(&xreq->context, loa)) { - afb_xreq_fail_f(xreq, "denied", "invalid LOA"); - errno = EPERM; - return -1; - } +int afb_xreq_reply_unknown_api(struct afb_xreq *xreq) +{ + afb_xreq_reply_f(xreq, NULL, afb_error_text_unknown_api, "api %s not found (for verb %s)", xreq->request.called_api, xreq->request.called_verb); + errno = EINVAL; + return -1; +} - if (auth && !afb_auth_check(auth, xreq)) { - afb_xreq_fail_f(xreq, "denied", "authorisation refused"); - errno = EPERM; - return -1; - } +int afb_xreq_reply_unknown_verb(struct afb_xreq *xreq) +{ + afb_xreq_reply_f(xreq, NULL, afb_error_text_unknown_verb, "verb %s unknown within api %s", xreq->request.called_verb, xreq->request.called_api); + errno = EINVAL; + return -1; +} - if ((sessionflags & AFB_SESSION_REFRESH_V2) != 0) { - afb_context_refresh(&xreq->context); - } - if ((sessionflags & AFB_SESSION_CLOSE_V2) != 0) { - afb_context_close(&xreq->context); - } +int afb_xreq_reply_invalid_token(struct afb_xreq *xreq) +{ + afb_xreq_reply(xreq, NULL, afb_error_text_invalid_token, "invalid token"); /* TODO: or "no token" */ + errno = EINVAL; + return -1; +} - return 0; +int afb_xreq_reply_insufficient_scope(struct afb_xreq *xreq, const char *scope) +{ + afb_xreq_reply(xreq, NULL, afb_error_text_insufficient_scope, scope ?: "insufficient scope"); + errno = EPERM; + return -1; } +#if WITH_LEGACY_BINDING_V1 void afb_xreq_call_verb_v1(struct afb_xreq *xreq, const struct afb_verb_desc_v1 *verb) { if (!verb) - afb_xreq_fail_unknown_verb(xreq); + afb_xreq_reply_unknown_verb(xreq); else - if (!xreq_session_check_apply_v1(xreq, verb->session)) - verb->callback(to_req(xreq)); + if (afb_auth_check_and_set_session_x1(xreq, verb->session) >= 0) + verb->callback(xreq_to_req_x1(xreq)); } +#endif +#if WITH_LEGACY_BINDING_V2 void afb_xreq_call_verb_v2(struct afb_xreq *xreq, const struct afb_verb_v2 *verb) { if (!verb) - afb_xreq_fail_unknown_verb(xreq); + afb_xreq_reply_unknown_verb(xreq); else - if (!xreq_session_check_apply_v2(xreq, verb->session, verb->auth)) - verb->callback(to_req(xreq)); + if (afb_auth_check_and_set_session_x2(xreq, verb->auth, verb->session) > 0) + verb->callback(xreq_to_req_x1(xreq)); +} +#endif + +void afb_xreq_call_verb_v3(struct afb_xreq *xreq, const struct afb_verb_v3 *verb) +{ + if (!verb) + afb_xreq_reply_unknown_verb(xreq); + else + if (afb_auth_check_and_set_session_x2(xreq, verb->auth, verb->session) > 0) + verb->callback(xreq_to_req_x2(xreq)); } void afb_xreq_init(struct afb_xreq *xreq, const struct afb_xreq_query_itf *queryitf) { memset(xreq, 0, sizeof *xreq); + xreq->request.itf = &xreq_itf; /* no hook by default */ xreq->refcount = 1; xreq->queryitf = queryitf; } -void afb_xreq_fail_unknown_api(struct afb_xreq *xreq) +#if WITH_AFB_HOOK +static void init_hooking(struct afb_xreq *xreq) { - afb_xreq_fail_f(xreq, "unknown-api", "api %s not found (for verb %s)", xreq->api, xreq->verb); -} - -void afb_xreq_fail_unknown_verb(struct afb_xreq *xreq) -{ - afb_xreq_fail_f(xreq, "unknown-verb", "verb %s unknown within api %s", xreq->verb, xreq->api); -} - -static void process_sync(struct afb_xreq *xreq) -{ - struct afb_api api; - - /* init hooking */ afb_hook_init_xreq(xreq); - if (xreq->hookflags) + if (xreq->hookflags) { + xreq->request.itf = &xreq_hooked_itf; /* unhook the interface */ afb_hook_xreq_begin(xreq); - - /* search the api */ - if (afb_apiset_get_started(xreq->apiset, xreq->api, &api) < 0) { - if (errno == ENOENT) - afb_xreq_fail_f(xreq, "unknown-api", "api %s not found", xreq->api); - else - afb_xreq_fail_f(xreq, "bad-api-state", "api %s not started correctly: %m", xreq->api); - } else { - xreq->context.api_key = api.closure; - api.itf->call(api.closure, xreq); } } +#endif +/** + * job callback for asynchronous and secured processing of the request. + */ static void process_async(int signum, void *arg) { struct afb_xreq *xreq = arg; + const struct afb_api_item *api; if (signum != 0) { - afb_xreq_fail_f(xreq, "aborted", "signal %s(%d) caught", strsignal(signum), signum); + /* emit the error (assumes that hooking is initialised) */ + afb_xreq_reply_f(xreq, NULL, afb_error_text_aborted, "signal %s(%d) caught", strsignal(signum), signum); } else { - process_sync(xreq); +#if WITH_AFB_HOOK + /* init hooking */ + init_hooking(xreq); +#endif + /* invoke api call method to process the request */ + api = (const struct afb_api_item*)xreq->context.api_key; + api->itf->call(api->closure, xreq); } - xreq_unref(xreq); + /* release the request */ + afb_xreq_unhooked_unref(xreq); +} + +/** + * Early request failure of the request 'xreq' with, as usual, 'status' and 'info' + * The early failure occurs only in function 'afb_xreq_process' where normally, + * the hooking is not initialised. So this "early" failure takes care to initialise + * the hooking in first. + */ +static void early_failure(struct afb_xreq *xreq, const char *status, const char *info, ...) +{ + va_list args; + +#if WITH_AFB_HOOK + /* init hooking */ + init_hooking(xreq); +#endif + + /* send error */ + va_start(args, info); + afb_req_x2_reply_v(xreq_to_req_x2(xreq), NULL, status, info, args); + va_end(args); } +/** + * Enqueue a job for processing the request 'xreq' using the given 'apiset'. + * Errors are reported as request failures. + */ void afb_xreq_process(struct afb_xreq *xreq, struct afb_apiset *apiset) { + const struct afb_api_item *api; + struct afb_xreq *caller; + + /* lookup at the api */ xreq->apiset = apiset; + api = afb_apiset_lookup_started(apiset, xreq->request.called_api, 1); + if (!api) { + if (errno == ENOENT) + early_failure(xreq, "unknown-api", "api %s not found (for verb %s)", xreq->request.called_api, xreq->request.called_verb); + else + early_failure(xreq, "bad-api-state", "api %s not started correctly: %m", xreq->request.called_api); + goto end; + } + xreq->context.api_key = api; + + /* check self locking */ + if (api->group) { + caller = xreq->caller; + while (caller) { + if (((const struct afb_api_item*)caller->context.api_key)->group == api->group) { + /* noconcurrency lock detected */ + ERROR("self-lock detected in call stack for API %s", xreq->request.called_api); + early_failure(xreq, "self-locked", "recursive self lock, API %s", xreq->request.called_api); + goto end; + } + caller = caller->caller; + } + } - xreq_addref(xreq); - if (jobs_queue(NULL, afb_apiset_timeout_get(apiset), process_async, xreq) < 0) { + /* queue the request job */ + afb_xreq_unhooked_addref(xreq); + if (jobs_queue(api->group, afb_apiset_timeout_get(apiset), process_async, xreq) < 0) { /* TODO: allows or not to proccess it directly as when no threading? (see above) */ ERROR("can't process job with threads: %m"); - afb_xreq_fail_f(xreq, "cancelled", "not able to create a job for the task"); - xreq_unref(xreq); + early_failure(xreq, "cancelled", "not able to create a job for the task"); + afb_xreq_unhooked_unref(xreq); } - xreq_unref(xreq); +end: + afb_xreq_unhooked_unref(xreq); +} + +const char *xreq_on_behalf_cred_export(struct afb_xreq *xreq) +{ + return afb_context_on_behalf_export(&xreq->context); }