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Add ssh_send_issue_banner() API

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Signed-off-by: Seung Min Park <smpark@pnpsecure.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Seung Min Park
2022-06-16 13:59:46 +09:00
committed by Andreas Schneider
parent 332f1c2e09
commit 4978f30320
6 changed files with 101 additions and 0 deletions
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35
tests/server/test_server/default_cb.c
View File

@ -51,6 +51,40 @@
#include <util.h>
#endif
int auth_none_cb(UNUSED_PARAM(ssh_session session),
const char *user,
void *userdata)
{
struct session_data_st *sdata = NULL;
ssh_string banner = NULL;
sdata = (struct session_data_st *)userdata;
if (sdata == NULL) {
fprintf(stderr, "Error: NULL userdata\n");
goto denied;
}
if (sdata->username == NULL) {
fprintf(stderr, "Error: expected username not set\n");
goto denied;
}
printf("None authentication of user %s\n", user);
/* Send the banner */
banner = ssh_string_from_char(SSHD_BANNER_MESSAGE);
if (banner == NULL) {
goto denied;
}
if (ssh_send_issue_banner(session, banner) == SSH_ERROR) {
fprintf(stderr, "Error: Failed to send the banner.\n");
goto denied;
}
denied:
ssh_string_free(banner);
return SSH_AUTH_DENIED;
}
int auth_pubkey_cb(UNUSED_PARAM(ssh_session session),
const char *user,
UNUSED_PARAM(struct ssh_key_struct *pubkey),
@ -743,6 +777,7 @@ struct ssh_server_callbacks_struct *get_default_server_cb(void)
goto end;
}
cb->auth_none_function = auth_none_cb;
cb->auth_password_function = auth_password_cb;
cb->auth_pubkey_function = auth_pubkey_cb;
cb->channel_open_request_session_function = channel_new_session_cb;

2
tests/server/test_server/default_cb.h
View File

@ -32,6 +32,8 @@
#define SSHD_DEFAULT_ADDRESS "127.0.0.1"
#define SSHD_DEFAULT_PCAP_FILE "debug.server.pcap"
#define SSHD_BANNER_MESSAGE "Test Banner Message\nlibssh-send-banner\n"
#ifndef KEYS_FOLDER
#ifdef _WIN32
#define KEYS_FOLDER