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Fixed: ssh-shellhost.exe is orphaned when sshd.exe aborts unexpectedly (#73) 

https://github.com/PowerShell/Win32-OpenSSH/issues/512
This commit is contained in:
Manoj Ampalam 2017-02-03 12:22:00 -08:00 committed by GitHub
parent 70784d5606
commit f5b88d422e
3 changed files with 27 additions and 32 deletions
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45
contrib/win32/win32compat/pwd.c
View File

@ -77,6 +77,14 @@ reset_pw() {
free(pw.pw_name);
if (pw.pw_dir)
free(pw.pw_dir);
if (pw.pw_domain)
free(pw.pw_domain);
if (pw.pw_sid)
free(pw.pw_sid);
pw.pw_name = NULL;
pw.pw_dir = NULL;
pw.pw_domain = NULL;
pw.pw_sid = NULL;
}
static struct passwd*
@ -90,11 +98,10 @@ get_passwd(const char *user_utf8, LPWSTR user_sid) {
HKEY reg_key = 0;
int tmp_len = PATH_MAX;
PDOMAIN_CONTROLLER_INFOW pdc = NULL;
DWORD dsStatus;
errno = 0;
reset_pw();
if ((user_utf16 = utf8_to_utf16(user_utf8) ) == NULL) {
errno = ENOMEM;
goto done;
@ -118,42 +125,26 @@ get_passwd(const char *user_utf8, LPWSTR user_sid) {
if (user_sid == NULL) {
NET_API_STATUS status;
if ((status = NetUserGetInfo(udom_utf16, uname_utf16, 23, &user_info)) != NERR_Success) {
debug("NetUserGetInfo() failed with error: %d \n", status);
debug("NetUserGetInfo() failed with error: %d for user: %ls and domain: %ls \n", status, uname_utf16, udom_utf16);
/* We reach here only for domain users.
* If we didn't get the domain name from the end-user then we treat it as error and return.
*/
if (udom_utf16 == NULL) {
errno = ENOENT;
goto done;
}
DWORD dsStatus;
if ((dsStatus = DsGetDcNameW(NULL, udom_utf16, NULL, NULL, DS_DIRECTORY_SERVICE_PREFERRED, &pdc)) == ERROR_SUCCESS) {
if ((status = NetUserGetInfo(pdc->DomainControllerName, uname_utf16, 23, &user_info)) != NERR_Success) {
debug("NetUserGetInfo() with domainController failed with error: %d \n", status);
if (ConvertSidToStringSidW(((LPUSER_INFO_23)user_info)->usri23_user_sid, &user_sid_local) == FALSE) {
error("ConvertSidToStringSidW() failed with error: %d\n", GetLastError());
errno = ENOENT;
goto done;
}
}
}
else {
if ((dsStatus = DsGetDcNameW(NULL, udom_utf16, NULL, NULL, DS_DIRECTORY_SERVICE_PREFERRED, &pdc)) != ERROR_SUCCESS) {
error("DsGetDcNameW() failed with error: %d \n", dsStatus);
errno = ENOENT;
goto done;
}
if ((status = NetUserGetInfo(pdc->DomainControllerName, uname_utf16, 23, &user_info)) != NERR_Success) {
debug("NetUserGetInfo() with domainController: %ls failed with error: %d \n", pdc->DomainControllerName, status);
errno = ENOENT;
goto done;
}
else {
}
if (ConvertSidToStringSidW(((LPUSER_INFO_23)user_info)->usri23_user_sid, &user_sid_local) == FALSE) {
debug("NetUserGetInfo() Succeded but ConvertSidToStringSidW() failed with error: %d\n", GetLastError());
errno = ENOENT;
goto done;
}
}
user_sid = user_sid_local;
}

3
contrib/win32/win32compat/shell-host.c
View File

@ -921,6 +921,9 @@ DWORD WINAPI ProcessPipes(LPVOID p) {
}
cleanup:
/* pipe_in has ended */
PostThreadMessage(hostThreadId, WM_APPEXIT, 0, 0);
dwStatus = GetLastError();
return 0;

1
misc.c
View File

@ -230,6 +230,7 @@ pwcopy(struct passwd *pw)
copy->pw_domain = xstrdup(pw->pw_domain);
else
copy->pw_domain = NULL;
copy->pw_sid = xstrdup(pw->pw_sid);
#endif // WINDOWS
return copy;