*/
#define _GNU_SOURCE
+#define NO_PLUGIN_VERBOSE_MACRO
#include <stdio.h>
#include <assert.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/syscall.h>
-#include <setjmp.h>
-#include "afb-plugin.h"
-#include "afb-req-itf.h"
-#include "afb-evmgr-itf.h"
+#include <afb/afb-plugin.h>
+#include <afb/afb-req-itf.h>
+#include <afb/afb-event-sender-itf.h>
#include "session.h"
#include "afb-common.h"
#include "afb-context.h"
#include "afb-apis.h"
#include "afb-api-so.h"
+#include "afb-sig-handler.h"
#include "verbose.h"
-extern __thread sigjmp_buf *error_handler;
-
+/*
+ * Description of a plugin
+ */
struct api_so_desc {
struct AFB_plugin *plugin; /* descriptor */
- size_t apilength;
+ size_t apilength; /* length of the API name */
void *handle; /* context of dlopen */
- struct AFB_interface interface; /* interface */
+ struct AFB_interface interface; /* interface for the plugin */
};
static int api_timeout = 15;
-static const char plugin_register_function[] = "pluginRegister";
+static const char plugin_register_function_v1[] = "pluginAfbV1Register";
-static void afb_api_so_evmgr_push(struct api_so_desc *desc, const char *name, struct json_object *object)
+static void afb_api_so_event_sender_push(struct api_so_desc *desc, const char *name, struct json_object *object)
{
size_t length;
char *event;
assert(desc->plugin != NULL);
length = strlen(name);
event = alloca(length + 2 + desc->apilength);
- memcpy(event, desc->plugin->prefix, desc->apilength);
+ memcpy(event, desc->plugin->v1.prefix, desc->apilength);
event[desc->apilength] = '/';
memcpy(event + desc->apilength + 1, name, length + 1);
ctxClientEventSend(NULL, event, object);
}
-static const struct afb_evmgr_itf evmgr_itf = {
- .push = (void*)afb_api_so_evmgr_push
+static const struct afb_event_sender_itf event_sender_itf = {
+ .push = (void*)afb_api_so_event_sender_push
};
-static struct afb_evmgr afb_api_so_get_evmgr(struct api_so_desc *desc)
+static struct afb_event_sender afb_api_so_get_event_sender(struct api_so_desc *desc)
+{
+ return (struct afb_event_sender){ .itf = &event_sender_itf, .closure = desc };
+}
+
+static void afb_api_so_vverbose(struct api_so_desc *desc, int level, const char *file, int line, const char *fmt, va_list args)
{
- return (struct afb_evmgr){ .itf = &evmgr_itf, .closure = desc };
+ char *p;
+
+ if (vasprintf(&p, fmt, args) < 0)
+ vverbose(level, file, line, fmt, args);
+ else {
+ verbose(level, file, line, "%s {plugin %s}", p, desc->plugin->v1.prefix);
+ free(p);
+ }
}
static const struct afb_daemon_itf daemon_itf = {
- .get_evmgr = (void*)afb_api_so_get_evmgr,
+ .get_event_sender = (void*)afb_api_so_get_event_sender,
.get_event_loop = (void*)afb_common_get_event_loop,
.get_user_bus = (void*)afb_common_get_user_bus,
- .get_system_bus = (void*)afb_common_get_system_bus
+ .get_system_bus = (void*)afb_common_get_system_bus,
+ .vverbose = (void*)afb_api_so_vverbose
};
+struct monitoring {
+ struct afb_req req;
+ void (*action)(struct afb_req);
+};
-static void trapping_call(struct afb_req req, void(*cb)(struct afb_req))
+static void monitored_call(int signum, struct monitoring *data)
{
- volatile int signum, timerset;
- timer_t timerid;
- sigjmp_buf jmpbuf, *older;
- struct sigevent sevp;
- struct itimerspec its;
-
- timerset = 0;
- older = error_handler;
- signum = setjmp(jmpbuf);
- if (signum != 0) {
- afb_req_fail_f(req, "aborted", "signal %d caught", signum);
- }
- else {
- error_handler = &jmpbuf;
- if (api_timeout > 0) {
- timerset = 1; /* TODO: check statuses */
- sevp.sigev_notify = SIGEV_THREAD_ID;
- sevp.sigev_signo = SIGALRM;
- sevp.sigev_value.sival_ptr = NULL;
-#if defined(sigev_notify_thread_id)
- sevp.sigev_notify_thread_id = (pid_t)syscall(SYS_gettid);
-#else
- sevp._sigev_un._tid = (pid_t)syscall(SYS_gettid);
-#endif
- timer_create(CLOCK_THREAD_CPUTIME_ID, &sevp, &timerid);
- its.it_interval.tv_sec = 0;
- its.it_interval.tv_nsec = 0;
- its.it_value.tv_sec = api_timeout;
- its.it_value.tv_nsec = 0;
- timer_settime(timerid, 0, &its, NULL);
- }
-
- cb(req);
- }
- if (timerset)
- timer_delete(timerid);
- error_handler = older;
+ if (signum != 0)
+ afb_req_fail_f(data->req, "aborted", "signal %s(%d) caught", strsignal(signum), signum);
+ else
+ data->action(data->req);
}
-static void call_check(struct afb_req req, struct afb_context *context, const struct AFB_restapi *verb)
+static void call_check(struct afb_req req, struct afb_context *context, const struct AFB_verb_desc_v1 *verb)
{
- int stag = (int)(verb->session & AFB_SESSION_MASK);
+ struct monitoring data;
+
+ int stag = (int)verb->session;
- if (stag != AFB_SESSION_NONE) {
+ if ((stag & (AFB_SESSION_CREATE|AFB_SESSION_CLOSE|AFB_SESSION_RENEW|AFB_SESSION_CHECK|AFB_SESSION_LOA_EQ)) != 0) {
if (!afb_context_check(context)) {
afb_context_close(context);
afb_req_fail(req, "failed", "invalid token's identity");
}
if ((stag & AFB_SESSION_CREATE) != 0) {
- if (!afb_context_create(context)) {
- afb_context_close(context);
+ if (afb_context_check_loa(context, 1)) {
afb_req_fail(req, "failed", "invalid creation state");
return;
}
+ afb_context_change_loa(context, 1);
+ afb_context_refresh(context);
}
if ((stag & (AFB_SESSION_CREATE | AFB_SESSION_RENEW)) != 0)
afb_context_refresh(context);
- if ((stag & AFB_SESSION_CLOSE) != 0)
+ if ((stag & AFB_SESSION_CLOSE) != 0) {
+ afb_context_change_loa(context, 0);
afb_context_close(context);
+ }
+
+ if ((stag & AFB_SESSION_LOA_GE) != 0) {
+ int loa = (stag >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK;
+ if (!afb_context_check_loa(context, loa)) {
+ afb_req_fail(req, "failed", "invalid LOA");
+ return;
+ }
+ }
- trapping_call(req, verb->callback);
+ if ((stag & AFB_SESSION_LOA_LE) != 0) {
+ int loa = (stag >> AFB_SESSION_LOA_SHIFT) & AFB_SESSION_LOA_MASK;
+ if (afb_context_check_loa(context, loa + 1)) {
+ afb_req_fail(req, "failed", "invalid LOA");
+ return;
+ }
+ }
+
+ data.req = req;
+ data.action = verb->callback;
+ afb_sig_monitor((void*)monitored_call, &data, api_timeout);
}
static void call(struct api_so_desc *desc, struct afb_req req, struct afb_context *context, const char *verb, size_t lenverb)
{
- const struct AFB_restapi *v;
+ const struct AFB_verb_desc_v1 *v;
- v = desc->plugin->apis;
+ v = desc->plugin->v1.verbs;
while (v->name && (strncasecmp(v->name, verb, lenverb) || v->name[lenverb]))
v++;
if (v->name)
call_check(req, context, v);
else
- afb_req_fail_f(req, "unknown-verb", "verb %.*s unknown within api %s", (int)lenverb, verb, desc->plugin->prefix);
+ afb_req_fail_f(req, "unknown-verb", "verb %.*s unknown within api %s", (int)lenverb, verb, desc->plugin->v1.prefix);
}
int afb_api_so_add_plugin(const char *path)
{
+ int rc;
+ void *handle;
struct api_so_desc *desc;
- struct AFB_plugin *(*pluginRegisterFct) (const struct AFB_interface *interface);
+ struct AFB_plugin *(*pluginAfbV1RegisterFct) (const struct AFB_interface *interface);
- desc = calloc(1, sizeof *desc);
- if (desc == NULL) {
- fprintf(stderr, "[%s] out of memory\n", path);
+ // This is a loadable library let's check if it's a plugin
+ rc = 0;
+ handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
+ if (handle == NULL) {
+ ERROR("plugin [%s] not loadable", path);
goto error;
}
- // This is a loadable library let's check if it's a plugin
- desc->handle = dlopen(path, RTLD_NOW | RTLD_LOCAL);
- if (desc->handle == NULL) {
- fprintf(stderr, "[%s] not loadable, continuing...\n", path);
+ /* retrieves the register function */
+ pluginAfbV1RegisterFct = dlsym(handle, plugin_register_function_v1);
+ if (!pluginAfbV1RegisterFct) {
+ ERROR("plugin [%s] is not an AFB plugin", path);
goto error2;
}
+ INFO("plugin [%s] is a valid AFB plugin", path);
+ rc = -1;
- /* retrieves the register function */
- pluginRegisterFct = dlsym(desc->handle, plugin_register_function);
- if (!pluginRegisterFct) {
- fprintf(stderr, "[%s] not an AFB plugin, continuing...\n", path);
- goto error3;
+ /* allocates the description */
+ desc = calloc(1, sizeof *desc);
+ if (desc == NULL) {
+ ERROR("out of memory");
+ goto error2;
}
- if (verbosity)
- fprintf(stderr, "[%s] is a valid AFB plugin\n", path);
+ desc->handle = handle;
/* init the interface */
- desc->interface.verbosity = 0;
+ desc->interface.verbosity = verbosity;
desc->interface.mode = AFB_MODE_LOCAL;
desc->interface.daemon.itf = &daemon_itf;
desc->interface.daemon.closure = desc;
/* init the plugin */
- desc->plugin = pluginRegisterFct(&desc->interface);
+ desc->plugin = pluginAfbV1RegisterFct(&desc->interface);
if (desc->plugin == NULL) {
- fprintf(stderr, "ERROR: plugin [%s] register function failed. continuing...\n", path);
+ ERROR("plugin [%s] register function failed. continuing...", path);
goto error3;
}
/* check the returned structure */
- if (desc->plugin->type != AFB_PLUGIN_JSON) {
- fprintf(stderr, "ERROR: plugin [%s] invalid type %d...\n", path, desc->plugin->type);
+ if (desc->plugin->type != AFB_PLUGIN_VERSION_1) {
+ ERROR("plugin [%s] invalid type %d...", path, desc->plugin->type);
goto error3;
}
- if (desc->plugin->prefix == NULL || *desc->plugin->prefix == 0) {
- fprintf(stderr, "ERROR: plugin [%s] bad prefix...\n", path);
+ if (desc->plugin->v1.prefix == NULL || *desc->plugin->v1.prefix == 0) {
+ ERROR("plugin [%s] bad prefix...", path);
goto error3;
}
- if (desc->plugin->info == NULL || *desc->plugin->info == 0) {
- fprintf(stderr, "ERROR: plugin [%s] bad description...\n", path);
+ if (!afb_apis_is_valid_api_name(desc->plugin->v1.prefix)) {
+ ERROR("plugin [%s] invalid prefix...", path);
goto error3;
}
- if (desc->plugin->apis == NULL) {
- fprintf(stderr, "ERROR: plugin [%s] no APIs...\n", path);
+ if (desc->plugin->v1.info == NULL || *desc->plugin->v1.info == 0) {
+ ERROR("plugin [%s] bad description...", path);
+ goto error3;
+ }
+ if (desc->plugin->v1.verbs == NULL) {
+ ERROR("plugin [%s] no APIs...", path);
goto error3;
}
/* records the plugin */
- desc->apilength = strlen(desc->plugin->prefix);
- if (afb_apis_add(desc->plugin->prefix, (struct afb_api){
+ desc->apilength = strlen(desc->plugin->v1.prefix);
+ if (afb_apis_add(desc->plugin->v1.prefix, (struct afb_api){
.closure = desc,
.call = (void*)call}) < 0) {
- fprintf(stderr, "ERROR: plugin [%s] can't be registered...\n", path);
+ ERROR("plugin [%s] can't be registered...", path);
goto error3;
}
-
+ NOTICE("plugin %s loaded with API prefix %s", path, desc->plugin->v1.prefix);
return 0;
error3:
- dlclose(desc->handle);
-error2:
free(desc);
+error2:
+ dlclose(handle);
error:
- return -1;
+ return rc;
}
static int adddirs(char path[PATH_MAX], size_t end)
/* open the DIR now */
dir = opendir(path);
if (dir == NULL) {
- fprintf(stderr, "ERROR in scanning plugin directory %s, %m\n", path);
+ ERROR("can't scan plugin directory %s, %m", path);
return -1;
}
- if (verbosity)
- fprintf(stderr, "Scanning dir=[%s] for plugins\n", path);
+ INFO("Scanning dir=[%s] for plugins", path);
/* scan each entry */
if (end)
len = strlen(ent.d_name);
if (len + end >= PATH_MAX) {
- fprintf(stderr, "path too long for %s\n", ent.d_name);
+ ERROR("path too long while scanning plugins for %s", ent.d_name);
continue;
}
memcpy(&path[end], ent.d_name, len+1);
/* case of files */
if (!strstr(ent.d_name, ".so"))
continue;
- afb_api_so_add_plugin(path);
+ if (afb_api_so_add_plugin(path) < 0)
+ return -1;
}
}
closedir(dir);
length = strlen(path);
if (length >= sizeof(buffer)) {
- fprintf(stderr, "path too long %lu [%.99s...]\n", (unsigned long)length, path);
+ ERROR("path too long %lu [%.99s...]", (unsigned long)length, path);
return -1;
}
rc = stat(path, &st);
if (rc < 0)
- fprintf(stderr, "Invalid plugin path [%s]: %m\n", path);
+ ERROR("Invalid plugin path [%s]: %m", path);
else if (S_ISDIR(st.st_mode))
rc = afb_api_so_add_directory(path);
- else
+ else if (strstr(path, ".so"))
rc = afb_api_so_add_plugin(path);
+ else
+ INFO("not a plugin [%s], skipped", path);
return rc;
}
p = strsep(&ps, sep);
if (!p)
return 0;
- afb_api_so_add_path(p);
- };
+ if (afb_api_so_add_path(p) < 0)
+ return -1;
+ }
}
Code Review / src / app-framework-binder.git / blobdiff