make basic example basic again

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>

.gitignore

@@ -38,6 +38,7 @@ tags
 examples/active
 examples/basic
 examples/bot
+examples/complex
 examples/component
 examples/register
 examples/roster

Makefile.am

@@ -123,6 +123,7 @@ noinst_PROGRAMS = \
 	examples/active \
 	examples/basic \
 	examples/bot \
+	examples/complex \
 	examples/component \
 	examples/roster \
 	examples/uuid \
@@ -138,6 +139,9 @@ examples_basic_LDADD = $(STROPHE_LIBS)
 examples_bot_SOURCES = examples/bot.c
 examples_bot_CFLAGS = $(STROPHE_FLAGS)
 examples_bot_LDADD = $(STROPHE_LIBS)
+examples_complex_SOURCES = examples/complex.c
+examples_complex_CFLAGS = $(STROPHE_FLAGS)
+examples_complex_LDADD = $(STROPHE_LIBS)
 examples_component_SOURCES = examples/component.c
 examples_component_CFLAGS = $(STROPHE_FLAGS)
 examples_component_LDADD = $(STROPHE_LIBS)

examples/basic.c

@@ -19,20 +19,6 @@
 #define KA_TIMEOUT 60
 #define KA_INTERVAL 1
 
-static void print_tlscert(const xmpp_tlscert_t *cert)
-{
-    const char *name;
-    size_t n;
-    for (n = 0; n < (unsigned)XMPP_CERT_ELEMENT_MAX; ++n) {
-        printf("\t%32s: %s\n", xmpp_tlscert_get_description(n),
-               xmpp_tlscert_get_string(cert, n));
-    }
-    n = 0;
-    while ((name = xmpp_tlscert_get_dnsname(cert, n++)) != NULL)
-        printf("\t%32s: %s\n", "dnsName", name);
-    printf("PEM:\n%s\n", xmpp_tlscert_get_pem(cert));
-}
-
 /* define a handler for connection events */
 static void conn_handler(xmpp_conn_t *conn,
                          xmpp_conn_event_t status,
@@ -41,21 +27,12 @@ static void conn_handler(xmpp_conn_t *conn,
                          void *userdata)
 {
     xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
-    int secured;
 
     (void)error;
     (void)stream_error;
 
     if (status == XMPP_CONN_CONNECT) {
         fprintf(stderr, "DEBUG: connected\n");
-        secured = xmpp_conn_is_secured(conn);
-        fprintf(stderr, "DEBUG: connection is %s.\n",
-                secured ? "secured" : "NOT secured");
-        if (secured) {
-            xmpp_tlscert_t *cert = xmpp_conn_get_peer_cert(conn);
-            print_tlscert(cert);
-            xmpp_tlscert_free(cert);
-        }
         xmpp_disconnect(conn);
     } else {
         fprintf(stderr, "DEBUG: disconnected\n");
@@ -63,23 +40,6 @@ static void conn_handler(xmpp_conn_t *conn,
     }
 }
 
-static int certfail_handler(const xmpp_tlscert_t *cert,
-                            const char *const errormsg)
-{
-    char read_char[16] = {0};
-    printf("Received certificate can't be validated!\n");
-    printf("Reason: %s\n", errormsg);
-    print_tlscert(cert);
-    printf("Do you agree to connect?\n[y(es)|n(o)]: ");
-    fflush(stdout);
-    if (fgets(read_char, sizeof(read_char), stdin) == NULL) {
-        printf("fgets() failed\n");
-        return 0;
-    }
-    printf("\n");
-    return read_char[0] == 'y' || read_char[0] == 'Y';
-}
-
 static void usage(int exit_code)
 {
     fprintf(stderr,
@@ -87,20 +47,11 @@ static void usage(int exit_code)
             "Options:\n"
             "  --jid <jid>              The JID to use to authenticate.\n"
             "  --pass <pass>            The password of the JID.\n"
-            "  --tls-cert <cert>        Path to client certificate.\n"
-            "  --capath <path>          Path to an additional CA trust store "
-            "(directory).\n"
-            "  --cafile <path>          Path to an additional CA trust store "
-            "(single file).\n"
-            "  --tls-key <key>          Path to private key.\n\n"
             "  --disable-tls            Disable TLS.\n"
             "  --mandatory-tls          Deny plaintext connection.\n"
             "  --trust-tls              Trust TLS certificate.\n"
-            "  --enable-certfail        Enable certfail handler.\n"
             "  --legacy-ssl             Use old style SSL.\n"
             "  --legacy-auth            Allow legacy authentication.\n"
-            "  --verbose                Increase the verbosity level.\n"
-            "  --tcp-keepalive          Configure TCP keepalive.\n\n"
             "Note: --disable-tls conflicts with --mandatory-tls or "
             "--legacy-ssl\n");
 
@@ -112,10 +63,8 @@ int main(int argc, char **argv)
     xmpp_ctx_t *ctx;
     xmpp_conn_t *conn;
     xmpp_log_t *log;
-    char *jid = NULL, *password = NULL, *cert = NULL, *key = NULL, *host = NULL,
+    char *jid = NULL, *password = NULL, *cert = NULL, *key = NULL, *host = NULL;
-         *capath = NULL, *cafile = NULL;
     long flags = 0;
-    int tcp_keepalive = 0, verbosity = 0, certfail = 0;
     int i;
     unsigned long port = 0;
 
@@ -133,28 +82,14 @@ int main(int argc, char **argv)
             flags |= XMPP_CONN_FLAG_LEGACY_SSL;
         else if (strcmp(argv[i], "--legacy-auth") == 0)
             flags |= XMPP_CONN_FLAG_LEGACY_AUTH;
-        else if (strcmp(argv[i], "--verbose") == 0)
-            verbosity++;
-        else if (strcmp(argv[i], "--tcp-keepalive") == 0)
-            tcp_keepalive = 1;
-        else if (strcmp(argv[i], "--enable-certfail") == 0)
-            certfail = 1;
         else if ((strcmp(argv[i], "--jid") == 0) && (++i < argc))
             jid = argv[i];
         else if ((strcmp(argv[i], "--pass") == 0) && (++i < argc))
             password = argv[i];
-        else if ((strcmp(argv[i], "--tls-cert") == 0) && (++i < argc))
-            cert = argv[i];
-        else if ((strcmp(argv[i], "--tls-key") == 0) && (++i < argc))
-            key = argv[i];
-        else if ((strcmp(argv[i], "--capath") == 0) && (++i < argc))
-            capath = argv[i];
-        else if ((strcmp(argv[i], "--cafile") == 0) && (++i < argc))
-            cafile = argv[i];
         else
             break;
     }
-    if ((!jid && (!cert || !key)) || (argc - i) > 2) {
+    if ((!jid) || (argc - i) > 2) {
         usage(1);
     }
 
@@ -175,16 +110,12 @@ int main(int argc, char **argv)
     log = xmpp_get_default_logger(XMPP_LEVEL_DEBUG);
     /* create a context */
     ctx = xmpp_ctx_new(NULL, log);
-    xmpp_ctx_set_verbosity(ctx, verbosity);
 
     /* create a connection */
     conn = xmpp_conn_new(ctx);
 
     /* configure connection properties (optional) */
     xmpp_conn_set_flags(conn, flags);
-    /* configure TCP keepalive (optional) */
-    if (tcp_keepalive)
-        xmpp_conn_set_keepalive(conn, KA_TIMEOUT, KA_INTERVAL);
 
     /* setup authentication information */
     if (cert && key) {
@@ -195,13 +126,6 @@ int main(int argc, char **argv)
     if (password)
         xmpp_conn_set_pass(conn, password);
 
-    if (certfail)
-        xmpp_conn_set_certfail_handler(conn, certfail_handler);
-    if (capath)
-        xmpp_conn_set_capath(conn, capath);
-    if (cafile)
-        xmpp_conn_set_cafile(conn, cafile);
-
     /* initiate connection */
     if (xmpp_connect_client(conn, host, port, conn_handler, ctx) == XMPP_EOK) {
 

examples/complex.c

@@ -0,0 +1,221 @@
+/* complex.c
+** libstrophe XMPP client library -- more complex usage example
+**
+** Copyright (C) 2005-2009 Collecta, Inc.
+**
+**  This software is provided AS-IS with no warranty, either express
+**  or implied.
+**
+** This program is dual licensed under the MIT and GPLv3 licenses.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <strophe.h>
+
+/* hardcoded TCP keepalive timeout and interval */
+#define KA_TIMEOUT 60
+#define KA_INTERVAL 1
+
+static void print_tlscert(const xmpp_tlscert_t *cert)
+{
+    const char *name;
+    size_t n;
+    for (n = 0; n < (unsigned)XMPP_CERT_ELEMENT_MAX; ++n) {
+        printf("\t%32s: %s\n", xmpp_tlscert_get_description(n),
+               xmpp_tlscert_get_string(cert, n));
+    }
+    n = 0;
+    while ((name = xmpp_tlscert_get_dnsname(cert, n++)) != NULL)
+        printf("\t%32s: %s\n", "dnsName", name);
+    printf("PEM:\n%s\n", xmpp_tlscert_get_pem(cert));
+}
+
+/* define a handler for connection events */
+static void conn_handler(xmpp_conn_t *conn,
+                         xmpp_conn_event_t status,
+                         int error,
+                         xmpp_stream_error_t *stream_error,
+                         void *userdata)
+{
+    xmpp_ctx_t *ctx = (xmpp_ctx_t *)userdata;
+    int secured;
+
+    (void)error;
+    (void)stream_error;
+
+    if (status == XMPP_CONN_CONNECT) {
+        fprintf(stderr, "DEBUG: connected\n");
+        secured = xmpp_conn_is_secured(conn);
+        fprintf(stderr, "DEBUG: connection is %s.\n",
+                secured ? "secured" : "NOT secured");
+        if (secured) {
+            xmpp_tlscert_t *cert = xmpp_conn_get_peer_cert(conn);
+            print_tlscert(cert);
+            xmpp_tlscert_free(cert);
+        }
+        xmpp_disconnect(conn);
+    } else {
+        fprintf(stderr, "DEBUG: disconnected\n");
+        xmpp_stop(ctx);
+    }
+}
+
+static int certfail_handler(const xmpp_tlscert_t *cert,
+                            const char *const errormsg)
+{
+    char read_char[16] = {0};
+    printf("Received certificate can't be validated!\n");
+    printf("Reason: %s\n", errormsg);
+    print_tlscert(cert);
+    printf("Do you agree to connect?\n[y(es)|n(o)]: ");
+    fflush(stdout);
+    if (fgets(read_char, sizeof(read_char), stdin) == NULL) {
+        printf("fgets() failed\n");
+        return 0;
+    }
+    printf("\n");
+    return read_char[0] == 'y' || read_char[0] == 'Y';
+}
+
+static void usage(int exit_code)
+{
+    fprintf(stderr,
+            "Usage: basic [options] [<host> [<port>]]\n\n"
+            "Options:\n"
+            "  --jid <jid>              The JID to use to authenticate.\n"
+            "  --pass <pass>            The password of the JID.\n"
+            "  --tls-cert <cert>        Path to client certificate.\n"
+            "  --tls-key <key>          Path to private key.\n\n"
+            "  --capath <path>          Path to an additional CA trust store "
+            "(directory).\n"
+            "  --cafile <path>          Path to an additional CA trust store "
+            "(single file).\n"
+            "  --disable-tls            Disable TLS.\n"
+            "  --mandatory-tls          Deny plaintext connection.\n"
+            "  --trust-tls              Trust TLS certificate.\n"
+            "  --enable-certfail        Enable certfail handler.\n"
+            "  --legacy-ssl             Use old style SSL.\n"
+            "  --legacy-auth            Allow legacy authentication.\n"
+            "  --verbose                Increase the verbosity level.\n"
+            "  --tcp-keepalive          Configure TCP keepalive.\n\n"
+            "Note: --disable-tls conflicts with --mandatory-tls or "
+            "--legacy-ssl\n");
+
+    exit(exit_code);
+}
+
+int main(int argc, char **argv)
+{
+    xmpp_ctx_t *ctx;
+    xmpp_conn_t *conn;
+    xmpp_log_t *log;
+    char *jid = NULL, *password = NULL, *cert = NULL, *key = NULL, *host = NULL,
+         *capath = NULL, *cafile = NULL;
+    long flags = 0;
+    int tcp_keepalive = 0, verbosity = 0, certfail = 0;
+    int i;
+    unsigned long port = 0;
+
+    /* take a jid and password on the command line */
+    for (i = 1; i < argc; ++i) {
+        if (strcmp(argv[i], "--help") == 0)
+            usage(0);
+        else if (strcmp(argv[i], "--disable-tls") == 0)
+            flags |= XMPP_CONN_FLAG_DISABLE_TLS;
+        else if (strcmp(argv[i], "--mandatory-tls") == 0)
+            flags |= XMPP_CONN_FLAG_MANDATORY_TLS;
+        else if (strcmp(argv[i], "--trust-tls") == 0)
+            flags |= XMPP_CONN_FLAG_TRUST_TLS;
+        else if (strcmp(argv[i], "--legacy-ssl") == 0)
+            flags |= XMPP_CONN_FLAG_LEGACY_SSL;
+        else if (strcmp(argv[i], "--legacy-auth") == 0)
+            flags |= XMPP_CONN_FLAG_LEGACY_AUTH;
+        else if (strcmp(argv[i], "--verbose") == 0)
+            verbosity++;
+        else if (strcmp(argv[i], "--tcp-keepalive") == 0)
+            tcp_keepalive = 1;
+        else if (strcmp(argv[i], "--enable-certfail") == 0)
+            certfail = 1;
+        else if ((strcmp(argv[i], "--jid") == 0) && (++i < argc))
+            jid = argv[i];
+        else if ((strcmp(argv[i], "--pass") == 0) && (++i < argc))
+            password = argv[i];
+        else if ((strcmp(argv[i], "--tls-cert") == 0) && (++i < argc))
+            cert = argv[i];
+        else if ((strcmp(argv[i], "--tls-key") == 0) && (++i < argc))
+            key = argv[i];
+        else if ((strcmp(argv[i], "--capath") == 0) && (++i < argc))
+            capath = argv[i];
+        else if ((strcmp(argv[i], "--cafile") == 0) && (++i < argc))
+            cafile = argv[i];
+        else
+            break;
+    }
+    if ((!jid && (!cert || !key)) || (argc - i) > 2) {
+        usage(1);
+    }
+
+    if (i < argc)
+        host = argv[i];
+    if (i + 1 < argc)
+        port = strtoul(argv[i + 1], NULL, 0);
+
+    /*
+     * Note, this example doesn't handle errors. Applications should check
+     * return values of non-void functions.
+     */
+
+    /* init library */
+    xmpp_initialize();
+
+    /* pass NULL instead to silence output */
+    log = xmpp_get_default_logger(XMPP_LEVEL_DEBUG);
+    /* create a context */
+    ctx = xmpp_ctx_new(NULL, log);
+    xmpp_ctx_set_verbosity(ctx, verbosity);
+
+    /* create a connection */
+    conn = xmpp_conn_new(ctx);
+
+    /* configure connection properties (optional) */
+    xmpp_conn_set_flags(conn, flags);
+    /* configure TCP keepalive (optional) */
+    if (tcp_keepalive)
+        xmpp_conn_set_keepalive(conn, KA_TIMEOUT, KA_INTERVAL);
+
+    /* setup authentication information */
+    if (cert && key) {
+        xmpp_conn_set_client_cert(conn, cert, key);
+    }
+    if (jid)
+        xmpp_conn_set_jid(conn, jid);
+    if (password)
+        xmpp_conn_set_pass(conn, password);
+
+    if (certfail)
+        xmpp_conn_set_certfail_handler(conn, certfail_handler);
+    if (capath)
+        xmpp_conn_set_capath(conn, capath);
+    if (cafile)
+        xmpp_conn_set_cafile(conn, cafile);
+
+    /* initiate connection */
+    if (xmpp_connect_client(conn, host, port, conn_handler, ctx) == XMPP_EOK) {
+
+        /* enter the event loop -
+           our connect handler will trigger an exit */
+        xmpp_run(ctx);
+    }
+
+    /* release our connection and context */
+    xmpp_conn_release(conn);
+    xmpp_ctx_free(ctx);
+
+    /* final shutdown of the library */
+    xmpp_shutdown();
+
+    return 0;
+}