add client-cert support to bot example

Signed-off-by: Steffen Jaeckel <jaeckel-floss@eyet-services.de>
This commit is contained in:
Steffen Jaeckel
2022-04-06 11:28:35 +02:00
parent 5ac415986e
commit d7bd434f41

View File

@@ -19,6 +19,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <strophe.h>
@@ -142,6 +143,27 @@ void conn_handler(xmpp_conn_t *conn,
}
}
static int
password_callback(char *pw, size_t pw_max, xmpp_conn_t *conn, void *userdata)
{
(void)userdata;
printf("Trying to unlock %s\n", xmpp_conn_get_keyfile(conn));
char *pass = getpass("Please enter password: ");
if (!pass)
return -1;
size_t passlen = strlen(pass);
int ret;
if (passlen >= pw_max) {
ret = -1;
goto out;
}
ret = passlen + 1;
memcpy(pw, pass, ret);
out:
memset(pass, 0, passlen);
return ret;
}
static void usage(int exit_code)
{
fprintf(stderr,
@@ -149,6 +171,8 @@ 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"
" --tls-key <key> Path to private key or P12 file.\n\n"
" --tcp-keepalive Configure TCP keepalive.\n"
" --disable-tls Disable TLS.\n"
" --mandatory-tls Deny plaintext connection.\n"
@@ -166,7 +190,7 @@ int main(int argc, char **argv)
xmpp_ctx_t *ctx;
xmpp_conn_t *conn;
xmpp_log_t *log;
char *jid = NULL, *password = NULL, *host = NULL;
char *jid = NULL, *password = NULL, *host = NULL, *cert = NULL, *key = NULL;
long flags = 0;
int i, tcp_keepalive = 0;
unsigned long port = 0;
@@ -189,12 +213,16 @@ int main(int argc, char **argv)
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], "--tcp-keepalive") == 0)
tcp_keepalive = 1;
else
break;
}
if ((!jid) || (argc - i) > 2) {
if ((!jid && !key) || (argc - i) > 2) {
usage(1);
}
@@ -217,7 +245,13 @@ int main(int argc, char **argv)
/* configure connection properties (optional) */
xmpp_conn_set_flags(conn, flags);
/* ask for a password if key is protected */
xmpp_conn_set_password_callback(conn, password_callback, NULL);
/* try at max 3 times in case the user enters the password wrong */
xmpp_conn_set_password_retries(conn, 3);
/* setup authentication information */
if (key)
xmpp_conn_set_client_cert(conn, cert, key);
if (jid)
xmpp_conn_set_jid(conn, jid);
if (password)