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sftp: Do not fail if the status message does not contain error message

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Some SFTP servers (Cisco) do not implement the v3 protocol correctly and do not
send the mandatory part of the status message. This falls back to the v2
behavior when the error message and language tag are not provided.

Fixes: #272

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Sahana Prasad <sahana@redhat.com>
This commit is contained in:
Jakub Jelen
2024-09-03 10:43:07 +02:00
parent d8f00aca20
commit 0306581f1c
1 changed files with 2 additions and 6 deletions
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8
src/sftp_common.c
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@@ -894,12 +894,8 @@ sftp_status_message parse_status_msg(sftp_message msg)
&status->langmsg); &status->langmsg);
if (rc != SSH_OK && msg->sftp->version >= 3) { if (rc != SSH_OK && msg->sftp->version >= 3) {
/* These are mandatory from version 3 */ SSH_LOG(SSH_LOG_WARN,
SAFE_FREE(status); "Invalid SSH_FXP_STATUS message. Missing error message.");
ssh_set_error(msg->sftp->session, SSH_FATAL,
"Invalid SSH_FXP_STATUS message");
sftp_set_error(msg->sftp, SSH_FX_FAILURE);
return NULL;
} }
if (status->errormsg == NULL) if (status->errormsg == NULL)