PsExec Lance des Messages d'Erreur, mais fonctionne sans aucun problème

C'est parce que PowerShell, parfois les rapports d'un NativeCommandError lorsqu'un processus écrit STDERR. PsExec écrit l'infoline

PsExec v1.98 - Execute processes remotely
Copyright (C) 2001-2010 Mark Russinovich
Sysinternals - www.sysinternals.com

vers STDERR qui signifie qu'il peut être en cause.

Pour plus d'informations, consultez les questions /réponses:

• https://stackoverflow.com/a/1416933/478656
• https://stackoverflow.com/a/11826589/478656
• https://stackoverflow.com/a/10666208/478656

OriginalL'auteur TessellatingHeckler

J'ai créé un psexec wrapper pour powershell, qui peut être utile aux personnes naviguant sur cette question:

function Return-CommandResultsUsingPsexec {
param(
[Parameter(Mandatory=$true)] [string] $command_str,
[Parameter(Mandatory=$true)] [string] $remote_computer,
[Parameter(Mandatory=$true)] [string] $psexec_path,
[switch] $include_blank_lines
)
begin {
$remote_computer_regex_escaped = [regex]::Escape($remote_computer)
# $ps_exec_header = "`r`nPsExec v2.2 - Execute processes remotely`r`nCopyright (C) 2001-2016 Mark Russinovich`r`nSysinternals - www.sysinternals.com`r`n"
$ps_exec_regex_headers_array = @(
'^\s*PsExec v\d+(?:\.\d+)? - Execute processes remotely\s*$',
'^\s*Copyright \(C\) \d{4}(?:-\d{4})? Mark Russinovich\s*$',
'^\s*Sysinternals - www\.sysinternals\.com\s*$'
)
$ps_exec_regex_info_array = @(
('^\s*Connecting to ' + $remote_computer_regex_escaped + '\.{3}\s*$'),
('^\s*Starting PSEXESVC service on ' + $remote_computer_regex_escaped + '\.{3}\s*$'),
('^\s*Connecting with PsExec service on ' + $remote_computer_regex_escaped + '\.{3}\s*$'),
('^\s*Starting .+ on ' + $remote_computer_regex_escaped + '\.{3}\s*$')
)
$bypass_regex_array = $ps_exec_regex_headers_array + $ps_exec_regex_info_array
$exit_code_regex_str = ('^.+ exited on ' + $remote_computer_regex_escaped + ' with error code (\d+)\.\s*$')
$ps_exec_args_str = ('"\\' + $remote_computer + '" ' + $command_str)
}
process {
$return_dict = @{
'std_out' = (New-Object 'system.collections.generic.list[string]');
'std_err' = (New-Object 'system.collections.generic.list[string]');
'exit_code' = $null;
'bypassed_std' = (New-Object 'system.collections.generic.list[string]');
}
$process_info = New-Object System.Diagnostics.ProcessStartInfo
$process_info.RedirectStandardError = $true
$process_info.RedirectStandardOutput = $true
$process_info.UseShellExecute = $false
$process_info.FileName = $psexec_path
$process_info.Arguments = $ps_exec_args_str
$process = New-Object System.Diagnostics.Process
$process.StartInfo = $process_info
$process.Start() | Out-Null
$std_dict = [ordered] @{
'std_out' = New-Object 'system.collections.generic.list[string]';
'std_err' = New-Object 'system.collections.generic.list[string]';
}
# $stdout_str = $process.StandardOutput.ReadToEnd()
while ($true) {
$line = $process.StandardOutput.ReadLine()
if ($line -eq $null) {
break
}
$std_dict['std_out'].Add($line)
}
# $stderr_str = $process.StandardError.ReadToEnd()
while ($true) {
$line = $process.StandardError.ReadLine()
if ($line -eq $null) {
break
}
$std_dict['std_err'].Add($line)
}
$process.WaitForExit()
ForEach ($std_type in $std_dict.Keys) {
ForEach ($line in $std_dict[$std_type]) {
if ((-not $include_blank_lines) -and ($line -match '^\s*$')) {
continue
}
$do_continue = $false
ForEach ($regex_str in $bypass_regex_array) {
if ($line -match $regex_str) {
$return_dict['bypassed_std'].Add($line)
$do_continue = $true
break
}
}
if ($do_continue) {
continue
}
$exit_code_regex_match = [regex]::Match($line, $exit_code_regex_str)
if ($exit_code_regex_match.Success) {
$return_dict['exit_code'] = [int] $exit_code_regex_match.Groups[1].Value
} elseif ($std_type -eq 'std_out') {
$return_dict['std_out'].Add($line)
} elseif ($std_type -eq 'std_err') {
$return_dict['std_err'].Add($line)
} else {
throw 'this conditional should never be true; if so, something was coded incorrectly'
}
}
}
return $return_dict
}
}

OriginalL'auteur user2426679