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libssh: acknowledge SSH_AGAIN in the SFTP state machine

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Reported in Joshua's sarif data

Closes #18740
This commit is contained in:
Daniel Stenberg 2025-09-25 16:38:49 +02:00
parent 9595921b06
commit b8f10be4f2
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 12 additions and 0 deletions
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12
lib/vssh/libssh.c
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@ -1959,6 +1959,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
case SSH_SFTP_QUOTE_SETSTAT:
rc = sftp_setstat(sshc->sftp_session, sshc->quote_path2,
sshc->quote_attrs);
if(rc == SSH_AGAIN)
break;
if(rc && !sshc->acceptfail) {
Curl_safefree(sshc->quote_path1);
Curl_safefree(sshc->quote_path2);
@ -1978,6 +1980,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
case SSH_SFTP_QUOTE_SYMLINK:
rc = sftp_symlink(sshc->sftp_session, sshc->quote_path2,
sshc->quote_path1);
if(rc == SSH_AGAIN)
break;
if(rc && !sshc->acceptfail) {
Curl_safefree(sshc->quote_path1);
Curl_safefree(sshc->quote_path2);
@ -1994,6 +1998,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
case SSH_SFTP_QUOTE_MKDIR:
rc = sftp_mkdir(sshc->sftp_session, sshc->quote_path1,
(mode_t)data->set.new_directory_perms);
if(rc == SSH_AGAIN)
break;
if(rc && !sshc->acceptfail) {
Curl_safefree(sshc->quote_path1);
failf(data, "mkdir command failed: %s",
@ -2009,6 +2015,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
case SSH_SFTP_QUOTE_RENAME:
rc = sftp_rename(sshc->sftp_session, sshc->quote_path1,
sshc->quote_path2);
if(rc == SSH_AGAIN)
break;
if(rc && !sshc->acceptfail) {
Curl_safefree(sshc->quote_path1);
Curl_safefree(sshc->quote_path2);
@ -2024,6 +2032,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
case SSH_SFTP_QUOTE_RMDIR:
rc = sftp_rmdir(sshc->sftp_session, sshc->quote_path1);
if(rc == SSH_AGAIN)
break;
if(rc && !sshc->acceptfail) {
Curl_safefree(sshc->quote_path1);
failf(data, "rmdir command failed: %s",
@ -2038,6 +2048,8 @@ static CURLcode myssh_statemach_act(struct Curl_easy *data,
case SSH_SFTP_QUOTE_UNLINK:
rc = sftp_unlink(sshc->sftp_session, sshc->quote_path1);
if(rc == SSH_AGAIN)
break;
if(rc && !sshc->acceptfail) {
Curl_safefree(sshc->quote_path1);
failf(data, "rm command failed: %s",