int pn_messenger_tsync(pn_messenger_t *messenger, bool (*predicate)(pn_messenger_t *), int timeout) { for (int i = 0; i < messenger->size; i++) { pn_connector_process(messenger->connectors[i]); } struct timeval now; if (gettimeofday(&now, NULL)) pn_fatal("gettimeofday failed\n"); long int deadline = millis(now) + timeout; bool pred; while (true) { pred = predicate(messenger); int remaining = deadline - millis(now); if (pred || (timeout >= 0 && remaining < 0)) break; pn_driver_wait(messenger->driver, remaining); pn_listener_t *l; while ((l = pn_driver_listener(messenger->driver))) { pn_connector_t *c = pn_listener_accept(l); pn_sasl_t *sasl = pn_connector_sasl(c); pn_sasl_mechanisms(sasl, "ANONYMOUS"); pn_sasl_server(sasl); pn_sasl_done(sasl, PN_SASL_OK); pn_connection_t *conn = pn_connection(); pn_connection_set_container(conn, messenger->name); pn_connector_set_connection(c, conn); messenger->connectors[messenger->size++] = c; } pn_connector_t *c; while ((c = pn_driver_connector(messenger->driver))) { pn_connector_process(c); pn_connection_t *conn = pn_connector_connection(c); pn_messenger_endpoints(messenger, conn); if (pn_connector_closed(c)) { for (int i = 0; i < messenger->size; i++) { if (c == messenger->connectors[i]) { memmove(messenger->connectors + i, messenger->connectors + i + 1, messenger->size - i - 1); messenger->size--; pn_connector_free(c); pn_messenger_reclaim(messenger, conn); pn_connection_free(conn); pn_messenger_flow(messenger); break; } } } else { pn_connector_process(c); } } if (timeout >= 0) { if (gettimeofday(&now, NULL)) pn_fatal("gettimeofday failed\n"); } } return pred ? 0 : PN_TIMEOUT; }
void auth_server_handler(pn_connector_t *cxtr) { pn_sasl_t *sasl = pn_connector_sasl(cxtr); pn_sasl_state_t state = pn_sasl_state(sasl); nx_connection_t *ctx = (nx_connection_t*) pn_connector_context(cxtr); while (state == PN_SASL_CONF || state == PN_SASL_STEP) { if (state == PN_SASL_CONF) { pn_sasl_mechanisms(sasl, "ANONYMOUS"); pn_sasl_server(sasl); } else if (state == PN_SASL_STEP) { const char* mechanisms = pn_sasl_remote_mechanisms(sasl); if (strcmp(mechanisms, "ANONYMOUS") == 0) pn_sasl_done(sasl, PN_SASL_OK); else pn_sasl_done(sasl, PN_SASL_AUTH); } state = pn_sasl_state(sasl); } if (state == PN_SASL_PASS) { ctx->state = CONN_STATE_OPENING; } else if (state == PN_SASL_FAIL) { ctx->state = CONN_STATE_FAILED; } }
void auth_client_handler(pn_connector_t *cxtr) { pn_sasl_t *sasl = pn_connector_sasl(cxtr); pn_sasl_state_t state = pn_sasl_state(sasl); nx_connection_t *ctx = (nx_connection_t*) pn_connector_context(cxtr); if (state == PN_SASL_CONF) { pn_sasl_mechanisms(sasl, "ANONYMOUS"); pn_sasl_client(sasl); } state = pn_sasl_state(sasl); if (state == PN_SASL_PASS) { ctx->state = CONN_STATE_OPENING; } else if (state == PN_SASL_FAIL) { ctx->state = CONN_STATE_FAILED; } }
void pn_sasl_plain(pn_sasl_t *sasl, const char *username, const char *password) { if (!sasl) return; const char *user = username ? username : ""; const char *pass = password ? password : ""; size_t usize = strlen(user); size_t psize = strlen(pass); size_t size = usize + psize + 2; char iresp[size]; iresp[0] = 0; memmove(iresp + 1, user, usize); iresp[usize + 1] = 0; memmove(iresp + usize + 2, pass, psize); pn_sasl_mechanisms(sasl, "PLAIN"); pn_sasl_send(sasl, iresp, size); pn_sasl_client(sasl); }
pn_connection_t *pn_messenger_domain(pn_messenger_t *messenger, const char *domain) { char buf[domain ? strlen(domain) + 1 : 1]; if (domain) { strcpy(buf, domain); } else { buf[0] = '\0'; } char *user = NULL; char *pass = NULL; char *host = "0.0.0.0"; char *port = "5672"; parse_url(buf, &user, &pass, &host, &port); for (int i = 0; i < messenger->size; i++) { pn_connection_t *connection = pn_connector_connection(messenger->connectors[i]); const char *container = pn_connection_remote_container(connection); const char *hostname = pn_connection_hostname(connection); if (pn_streq(container, domain) || pn_streq(hostname, domain)) return connection; } pn_connector_t *connector = pn_connector(messenger->driver, host, port, NULL); if (!connector) return NULL; messenger->connectors[messenger->size++] = connector; pn_sasl_t *sasl = pn_connector_sasl(connector); if (user) { pn_sasl_plain(sasl, user, pass); } else { pn_sasl_mechanisms(sasl, "ANONYMOUS"); pn_sasl_client(sasl); } pn_connection_t *connection = pn_connection(); pn_connection_set_container(connection, messenger->name); pn_connection_set_hostname(connection, domain); pn_connection_open(connection); pn_connector_set_connection(connector, connection); return connection; }
bool get_sasl_over_with ( pn_connector_t * connector ) { pn_sasl_t *sasl = pn_connector_sasl ( connector ); while ( pn_sasl_state(sasl) != PN_SASL_PASS ) { switch ( pn_sasl_state(sasl)) { case PN_SASL_IDLE: return false; break; case PN_SASL_CONF: pn_sasl_mechanisms(sasl, "PLAIN ANONYMOUS"); pn_sasl_server(sasl); break; case PN_SASL_STEP: { char response [ MY_BUF_SIZE ]; pn_sasl_recv(sasl, response, pn_sasl_pending(sasl) ); pn_sasl_done(sasl, PN_SASL_OK); pn_connector_set_connection(connector, pn_connection()); } break; case PN_SASL_PASS: break; case PN_SASL_FAIL: return false; break; } } return true; }
void client_callback(pn_connector_t *ctor) { struct client_context *ctx = pn_connector_context(ctor); if (pn_connector_closed(ctor)) { ctx->done = true; } pn_sasl_t *sasl = pn_connector_sasl(ctor); while (pn_sasl_state(sasl) != PN_SASL_PASS) { pn_sasl_state_t st = pn_sasl_state(sasl); switch (st) { case PN_SASL_IDLE: return; case PN_SASL_CONF: if (ctx->mechanism && !strcmp(ctx->mechanism, "PLAIN")) { pn_sasl_plain(sasl, ctx->username, ctx->password); } else { pn_sasl_mechanisms(sasl, ctx->mechanism); pn_sasl_client(sasl); } break; case PN_SASL_STEP: if (pn_sasl_pending(sasl)) { fprintf(stderr, "challenge failed\n"); ctx->done = true; } return; case PN_SASL_FAIL: fprintf(stderr, "authentication failed\n"); ctx->done = true; return; case PN_SASL_PASS: break; } } pn_connection_t *connection = pn_connector_connection(ctor); char tagstr[1024]; char msg[ctx->size]; char data[ctx->size + 16]; for (int i = 0; i < ctx->size; i++) { msg[i] = 'x'; } size_t ndata = pn_message_data(data, ctx->size + 16, msg, ctx->size); if (!ctx->init) { ctx->init = true; char container[1024]; if (gethostname(container, 1024)) pn_fatal("hostname lookup failed"); pn_connection_set_container(connection, container); pn_connection_set_hostname(connection, ctx->hostname); pn_session_t *ssn = pn_session(connection); pn_connection_open(connection); pn_session_open(ssn); if (ctx->send_count) { pn_link_t *snd = pn_sender(ssn, "sender"); pn_set_target(snd, ctx->address); pn_link_open(snd); char buf[16]; for (int i = 0; i < ctx->send_count; i++) { sprintf(buf, "%x", i); pn_delivery(snd, pn_dtag(buf, strlen(buf))); } } if (ctx->recv_count) { pn_link_t *rcv = pn_receiver(ssn, "receiver"); pn_set_source(rcv, ctx->address); pn_link_open(rcv); pn_flow(rcv, ctx->recv_count < ctx->high ? ctx->recv_count : ctx->high); } } pn_delivery_t *delivery = pn_work_head(connection); while (delivery) { pn_delivery_tag_t tag = pn_delivery_tag(delivery); pn_quote_data(tagstr, 1024, tag.bytes, tag.size); pn_link_t *link = pn_link(delivery); if (pn_writable(delivery)) { pn_send(link, data, ndata); if (pn_advance(link)) { if (!ctx->quiet) printf("sent delivery: %s\n", tagstr); } } else if (pn_readable(delivery)) { if (!ctx->quiet) { printf("received delivery: %s\n", tagstr); printf(" payload = \""); } while (true) { size_t n = pn_recv(link, msg, 1024); if (n == PN_EOS) { pn_advance(link); pn_disposition(delivery, PN_ACCEPTED); pn_settle(delivery); if (!--ctx->recv_count) { pn_link_close(link); } break; } else if (!ctx->quiet) { pn_print_data(msg, n); } } if (!ctx->quiet) printf("\"\n"); if (pn_credit(link) < ctx->low && pn_credit(link) < ctx->recv_count) { pn_flow(link, (ctx->recv_count < ctx->high ? ctx->recv_count : ctx->high) - pn_credit(link)); } } if (pn_updated(delivery)) { if (!ctx->quiet) printf("disposition for %s: %u\n", tagstr, pn_remote_disposition(delivery)); pn_clear(delivery); pn_settle(delivery); if (!--ctx->send_count) { pn_link_close(link); } } delivery = pn_work_next(delivery); } if (!ctx->send_count && !ctx->recv_count) { printf("closing\n"); // XXX: how do we close the session? //pn_close((pn_endpoint_t *) ssn); pn_connection_close(connection); } if (pn_connection_state(connection) == (PN_LOCAL_CLOSED | PN_REMOTE_CLOSED)) { ctx->done = true; } }
void server_callback(pn_connector_t *ctor) { pn_sasl_t *sasl = pn_connector_sasl(ctor); while (pn_sasl_state(sasl) != PN_SASL_PASS) { switch (pn_sasl_state(sasl)) { case PN_SASL_IDLE: return; case PN_SASL_CONF: pn_sasl_mechanisms(sasl, "PLAIN ANONYMOUS"); pn_sasl_server(sasl); break; case PN_SASL_STEP: { size_t n = pn_sasl_pending(sasl); char iresp[n]; pn_sasl_recv(sasl, iresp, n); printf("%s", pn_sasl_remote_mechanisms(sasl)); printf(" response = "); pn_print_data(iresp, n); printf("\n"); pn_sasl_done(sasl, PN_SASL_OK); pn_connector_set_connection(ctor, pn_connection()); } break; case PN_SASL_PASS: break; case PN_SASL_FAIL: return; } } pn_connection_t *conn = pn_connector_connection(ctor); struct server_context *ctx = pn_connector_context(ctor); char tagstr[1024]; char msg[10*1024]; char data[ctx->size + 16]; for (int i = 0; i < ctx->size; i++) { msg[i] = 'x'; } size_t ndata = pn_message_data(data, ctx->size + 16, msg, ctx->size); if (pn_connection_state(conn) == (PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE)) { pn_connection_open(conn); } pn_session_t *ssn = pn_session_head(conn, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); while (ssn) { pn_session_open(ssn); ssn = pn_session_next(ssn, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); } pn_link_t *link = pn_link_head(conn, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); while (link) { printf("%s, %s\n", pn_remote_source(link), pn_remote_target(link)); pn_set_source(link, pn_remote_source(link)); pn_set_target(link, pn_remote_target(link)); pn_link_open(link); if (pn_is_receiver(link)) { pn_flow(link, 100); } else { pn_delivery(link, pn_dtag("blah", 4)); } link = pn_link_next(link, PN_LOCAL_UNINIT | PN_REMOTE_ACTIVE); } pn_delivery_t *delivery = pn_work_head(conn); while (delivery) { pn_delivery_tag_t tag = pn_delivery_tag(delivery); pn_quote_data(tagstr, 1024, tag.bytes, tag.size); pn_link_t *link = pn_link(delivery); if (pn_readable(delivery)) { if (!ctx->quiet) { printf("received delivery: %s\n", tagstr); printf(" payload = \""); } while (true) { ssize_t n = pn_recv(link, msg, 1024); if (n == PN_EOS) { pn_advance(link); pn_disposition(delivery, PN_ACCEPTED); break; } else if (!ctx->quiet) { pn_print_data(msg, n); } } if (!ctx->quiet) printf("\"\n"); if (pn_credit(link) < 50) pn_flow(link, 100); } else if (pn_writable(delivery)) { pn_send(link, data, ndata); if (pn_advance(link)) { if (!ctx->quiet) printf("sent delivery: %s\n", tagstr); char tagbuf[16]; sprintf(tagbuf, "%i", ctx->count++); pn_delivery(link, pn_dtag(tagbuf, strlen(tagbuf))); } } if (pn_updated(delivery)) { if (!ctx->quiet) printf("disposition for %s: %u\n", tagstr, pn_remote_disposition(delivery)); pn_settle(delivery); } delivery = pn_work_next(delivery); } if (pn_connection_state(conn) == (PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED)) { pn_connection_close(conn); } ssn = pn_session_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); while (ssn) { pn_session_close(ssn); ssn = pn_session_next(ssn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); } link = pn_link_head(conn, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); while (link) { pn_link_close(link); link = pn_link_next(link, PN_LOCAL_ACTIVE | PN_REMOTE_CLOSED); } }