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make basic example basic again

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Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
This commit is contained in:
Steffen Jaeckel
2022-01-31 15:35:52 +01:00
parent 47f4d883c8
commit 3225bafd54
4 changed files with 228 additions and 78 deletions
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80
examples/basic.c
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@@ -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,
*capath = NULL, *cafile = NULL;
char *jid = NULL, *password = NULL, *cert = NULL, *key = NULL, *host = 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) {