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authorAlexander Golubev <fatzer2@gmail.com>2024-01-29 03:43:28 +0300
committerMichele Calgaro <michele.calgaro@yahoo.it>2024-03-04 23:34:45 +0900
commitfae96a29fb62f852eaf4a6a638c0d08258ed427d (patch)
tree5085a83ca9e41a6bf3008ac6cae7fcf8bc9d7e79 /tdeioslave/sftp/tdeio_sftp.cpp
parenta9d6ae553a99067a0035fc7ab732b240b3599eab (diff)
downloadtdebase-fae96a29fb62f852eaf4a6a638c0d08258ed427d.tar.gz
tdebase-fae96a29fb62f852eaf4a6a638c0d08258ed427d.zip
tdeioslave/sftp: imbue error messages with errors from libssh
Signed-off-by: Alexander Golubev <fatzer2@gmail.com> (cherry picked from commit 4d88b3edddc46ab56e773c4c73cd29b3292b3181)
Diffstat (limited to 'tdeioslave/sftp/tdeio_sftp.cpp')
-rw-r--r--tdeioslave/sftp/tdeio_sftp.cpp40
1 files changed, 25 insertions, 15 deletions
diff --git a/tdeioslave/sftp/tdeio_sftp.cpp b/tdeioslave/sftp/tdeio_sftp.cpp
index c31708e35..8009f12f4 100644
--- a/tdeioslave/sftp/tdeio_sftp.cpp
+++ b/tdeioslave/sftp/tdeio_sftp.cpp
@@ -483,7 +483,6 @@ int sftpProtocol::authenticateKeyboardInteractive(bool noPaswordQuery) {
if (ssh_userauth_kbdint_setanswer(mSession, i, answer.utf8().data()) < 0) {
kdDebug(TDEIO_SFTP_DB) << "An error occurred setting the answer: "
<< ssh_get_error(mSession) << endl;
- /* FIXME: display the error to the user <2024-01-10 Fat-Zer> */
return SSH_AUTH_ERROR;
}
} // for each ssh_userauth_kbdint_getprompt()
@@ -570,6 +569,14 @@ TQString sftpProtocol::sshUsername() {
}
+TQString sftpProtocol::sshError(TQString errMsg) {
+ if (ssh_get_error_code(mSession)) {
+ errMsg.append("\n\n").append(i18n("SSH error: \"%1\" (%2)")
+ .arg(TQString::fromUtf8(ssh_get_error(mSession))).arg(ssh_get_error_code(mSession)));
+ }
+ return errMsg;
+}
+
TDEIO::AuthInfo sftpProtocol::authInfo() {
TDEIO::AuthInfo rv;
@@ -932,7 +939,7 @@ int sftpProtocol::initializeConnection() {
/* try to connect */
rc = ssh_connect(mSession);
if (rc < 0) {
- error(TDEIO::ERR_COULD_NOT_CONNECT, TQString::fromUtf8(ssh_get_error(mSession)));
+ error(TDEIO::ERR_COULD_NOT_CONNECT, sshError());
return rc;
}
@@ -948,7 +955,7 @@ int sftpProtocol::initializeConnection() {
rc = ssh_get_server_publickey(mSession, &serverKey);
#endif
if (rc<0) {
- error(TDEIO::ERR_COULD_NOT_CONNECT, TQString::fromUtf8(ssh_get_error(mSession)));
+ error(TDEIO::ERR_COULD_NOT_CONNECT, sshError());
return rc;
}
@@ -959,7 +966,7 @@ int sftpProtocol::initializeConnection() {
rc = ssh_get_publickey_hash(serverKey, SSH_PUBLICKEY_HASH_SHA256, &hash, &hlen);
#endif
if (rc<0) {
- error(TDEIO::ERR_COULD_NOT_CONNECT, TQString::fromUtf8(ssh_get_error(mSession)));
+ error(TDEIO::ERR_COULD_NOT_CONNECT, sshError());
return rc;
}
@@ -1018,14 +1025,14 @@ int sftpProtocol::initializeConnection() {
#else
if (ssh_session_update_known_hosts(mSession) != SSH_OK) {
#endif
- error(TDEIO::ERR_USER_CANCELED, TQString::fromUtf8(ssh_get_error(mSession)));
+ error(TDEIO::ERR_USER_CANCELED, sshError());
return SSH_ERROR;
}
break;
}
case TDEIO_SSH_KNOWN_HOSTS_ERROR:
delete hash;
- error(TDEIO::ERR_COULD_NOT_CONNECT, TQString::fromUtf8(ssh_get_error(mSession)));
+ error(TDEIO::ERR_COULD_NOT_CONNECT, sshError());
return SSH_ERROR;
}
@@ -1084,8 +1091,8 @@ connection_restart:
// Try to authenticate (this required before calling ssh_auth_list())
rc = ssh_userauth_none(mSession, NULL);
if (rc == SSH_AUTH_ERROR) {
- error(TDEIO::ERR_COULD_NOT_LOGIN, i18n("Authentication failed (method: %1).")
- .arg(i18n("none")));
+ error(TDEIO::ERR_COULD_NOT_LOGIN, sshError(i18n("Authentication failed (method: %1).")
+ .arg(i18n("none"))));
return;
}
@@ -1151,11 +1158,14 @@ connection_restart:
kdDebug(TDEIO_SFTP_DB) << "method=" << method->name() << ": auth "
<< (rc == SSH_AUTH_SUCCESS ? "success" : "partial") << endl;
break; // either next auth method or continue on with the connect
- } else if (rc == SSH_AUTH_AGAIN || rc == SSH_AUTH_ERROR ) {
- // SSH_AUTH_AGAIN returned in case of some errors like if server hangs up or there were too many auth attempts
- error(TDEIO::ERR_COULD_NOT_LOGIN, i18n("Authentication failed (method: %1).")
- .arg(method->name()));
- /* FIXME: add some additional info from ssh_get_error() if available <2024-01-20 Fat-Zer> */
+ } else if (rc == SSH_AUTH_ERROR || rc == SSH_AUTH_AGAIN) {
+ TQString errMsg = i18n("Authentication failed (method: %1).").arg(method->name());
+ // SSH_AUTH_AGAIN returned in case of some errors when server hangs up unexpectedly like
+ // in case there were too many failed authentication attempts
+ if (rc == SSH_AUTH_AGAIN) {
+ errMsg.append("\n").append(i18n("Server is slow to respond or hung up unexpectedly."));
+ }
+ error(TDEIO::ERR_COULD_NOT_LOGIN, sshError(errMsg));
return;
} else if (rc == SSH_AUTH_CANCELED) {
kdDebug(TDEIO_SFTP_DB) << "method=" << method->name() << " was canceled by user" << endl;
@@ -1169,7 +1179,7 @@ connection_restart:
// do nothing, just proceed with next auth method
} else {
// Shouldn't happen, but to be on the safe side better handle it
- error(TDEIO::ERR_UNKNOWN, i18n("Authentication failed unexpectedly"));
+ error(TDEIO::ERR_UNKNOWN, sshError(i18n("Authentication failed unexpectedly")));
return;
}
}
@@ -1262,7 +1272,7 @@ void sftpProtocol::special(const TQByteArray &data) {
}
if (rc < 0) {
- kdDebug(TDEIO_SFTP_DB) << "channel_poll failed: " << ssh_get_error(mSession);
+ kdDebug(TDEIO_SFTP_DB) << "channel_poll failed: " << ssh_get_error(mSession) << endl;
}
setTimeoutSpecialCommand(TDEIO_SFTP_SPECIAL_TIMEOUT);