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authorAlexander Golubev <fatzer2@gmail.com>2024-01-21 16:50:16 +0300
committerTDE Gitea <gitea@mirror.git.trinitydesktop.org>2024-03-04 11:04:11 +0000
commitd316ff14bdcc6c7e402276cba2a15c1ac8bb5278 (patch)
tree9ea11622d5ef047f7c7dbcb2f1660ba477a80af2 /tdeioslave
parenta19610bb735faf89fcd27c6885bf81e53c9b2d7a (diff)
downloadtdebase-d316ff14bdcc6c7e402276cba2a15c1ac8bb5278.tar.gz
tdebase-d316ff14bdcc6c7e402276cba2a15c1ac8bb5278.zip
tdeioslave/sftp: use realmValue to distinguish different prompts
This will help kpasswdserver not to confuse different user's answers to different questions. Also avoid passing/returning TDE::AuthInfo for kb-interactive auth as it isn't really necessary when we don't manually caching passwords anymore. Signed-off-by: Alexander Golubev <fatzer2@gmail.com>
Diffstat (limited to 'tdeioslave')
-rw-r--r--tdeioslave/sftp/tdeio_sftp.cpp42
-rw-r--r--tdeioslave/sftp/tdeio_sftp.h2
2 files changed, 20 insertions, 24 deletions
diff --git a/tdeioslave/sftp/tdeio_sftp.cpp b/tdeioslave/sftp/tdeio_sftp.cpp
index fbb25fa5b..040d57778 100644
--- a/tdeioslave/sftp/tdeio_sftp.cpp
+++ b/tdeioslave/sftp/tdeio_sftp.cpp
@@ -255,7 +255,7 @@ void sftpProtocol::log_callback(ssh_session session, int priority,
kdDebug(TDEIO_SFTP_DB) << "[" << priority << "] " << message << endl;
}
-int sftpProtocol::authenticateKeyboardInteractive(AuthInfo &info) {
+int sftpProtocol::authenticateKeyboardInteractive() {
TQString name, instruction, prompt;
int err = SSH_AUTH_ERROR;
@@ -275,6 +275,7 @@ int sftpProtocol::authenticateKeyboardInteractive(AuthInfo &info) {
break;
}
+ // See RFC4256 Section 3.3 User Interface for meaning of the values
name = TQString::fromUtf8(ssh_userauth_kbdint_getname(mSession));
instruction = TQString::fromUtf8(ssh_userauth_kbdint_getinstruction(mSession));
n = ssh_userauth_kbdint_getnprompts(mSession);
@@ -283,14 +284,14 @@ int sftpProtocol::authenticateKeyboardInteractive(AuthInfo &info) {
<< " prompts" << n << endl;
for (i = 0; i < n; ++i) {
- // See RFC4256 Section 3.3 User Interface
char echo;
TQString answer;
prompt = TQString::fromUtf8(ssh_userauth_kbdint_getprompt(mSession, i, &echo));
kdDebug(TDEIO_SFTP_DB) << "prompt=" << prompt << " echo=" << TQString::number(echo) << endl;
- TDEIO::AuthInfo infoKbdInt(info);
+ TDEIO::AuthInfo infoKbdInt = authInfo();
+ infoKbdInt.realmValue = prompt; // each prompt will be treated on its own by kpasswdserver
infoKbdInt.keepPassword = false;
if (!name.isEmpty()) {
@@ -305,21 +306,26 @@ int sftpProtocol::authenticateKeyboardInteractive(AuthInfo &info) {
// ssh server requests us to ask user a question without displaying an answer. In normal
// circumstances this is probably a password, but it might be something else depending
// on the server configuration.
- bool isPassword = false;
if (prompt.lower().startsWith("password")) {
- // We can assume that the ssh server asks for a password and we want a more
- // user-friendly prompt in that case
+ // We can assume that the ssh server asks for a password and we will handle that case
+ // with more care since it's what most users will see
infoKbdInt.prompt = i18n("Please enter your password.");
- isPassword = true;
+ infoKbdInt.realmValue = TQString::null; // passwords use generic realm
infoKbdInt.keepPassword = true;
- if (!mPassword.isNull()) { // if we have a cached password we might use it
+
+ if (!mPassword.isEmpty()) { // if we have a cached password we might use it
kdDebug(TDEIO_SFTP_DB) << "Using cached password" << endl;
answer = mPassword;
+ purgeString(mPassword); // if we used up password purge it
}
} else {
- // If the server's request doesn't look like a password, keep the servers prompt and
- // don't bother saving it
- infoKbdInt.prompt = prompt;
+ // If the server's request doesn't look like a password, keep the servers prompt but
+ // don't prompt saving it
+ infoKbdInt.prompt = i18n("Please enter answer for the next request:");
+ if (!instruction.isEmpty()) {
+ infoKbdInt.prompt.append("\n\n").append(instruction);
+ }
+ infoKbdInt.prompt.append("\n\n").append(prompt);
}
infoKbdInt.readOnly = true; // set username readonly
@@ -329,10 +335,6 @@ int sftpProtocol::authenticateKeyboardInteractive(AuthInfo &info) {
if (openPassDlg(infoKbdInt)) {
kdDebug(TDEIO_SFTP_DB) << "Got the answer from the password dialog" << endl;
answer = infoKbdInt.password;
- if(isPassword) {
- info.password = infoKbdInt.password; // return the answer to the caller
- info.setModified( true );
- }
} else {
/* FIXME: Some reasonable action upon cancellation? <2024-01-10 Fat-Zer> */
}
@@ -950,15 +952,9 @@ void sftpProtocol::openConnection() {
if (rc != SSH_AUTH_SUCCESS && (method & SSH_AUTH_METHOD_INTERACTIVE))
{
kdDebug(TDEIO_SFTP_DB) << "Trying to authenticate with keyboard interactive" << endl;
+ rc = authenticateKeyboardInteractive();
- TDEIO::AuthInfo tmpInfo(info);
- rc = authenticateKeyboardInteractive(tmpInfo);
- if (rc == SSH_AUTH_SUCCESS)
- {
- info = tmpInfo;
- mUsername = info.username;
- }
- else if (rc == SSH_AUTH_ERROR)
+ if (rc == SSH_AUTH_ERROR)
{
error(TDEIO::ERR_COULD_NOT_LOGIN, i18n("Authentication failed (method: %1).")
.arg(i18n("keyboard interactive")));
diff --git a/tdeioslave/sftp/tdeio_sftp.h b/tdeioslave/sftp/tdeio_sftp.h
index f73b37015..065ef7cda 100644
--- a/tdeioslave/sftp/tdeio_sftp.h
+++ b/tdeioslave/sftp/tdeio_sftp.h
@@ -154,7 +154,7 @@ private: // Private variables
} mPubKeyAuthData;
private: // private methods
- int authenticateKeyboardInteractive(TDEIO::AuthInfo &info);
+ int authenticateKeyboardInteractive();
/** A small helper function to construct auth info skeleton for the protocol */
TDEIO::AuthInfo authInfo();