| version 1.333, 2020/10/03 08:11:28 |
version 1.334, 2020/10/03 09:22:26 |
|
|
| return ret; |
return ret; |
| } |
} |
| |
|
| static void |
|
| stderr_null(void) |
|
| { |
|
| int devnull; |
|
| |
|
| if ((devnull = open(_PATH_DEVNULL, O_WRONLY)) == -1) { |
|
| error("Can't open %s for stderr redirection: %s", |
|
| _PATH_DEVNULL, strerror(errno)); |
|
| return; |
|
| } |
|
| if (devnull == STDERR_FILENO) |
|
| return; |
|
| if (dup2(devnull, STDERR_FILENO) == -1) |
|
| error("Cannot redirect stderr to %s", _PATH_DEVNULL); |
|
| if (devnull > STDERR_FILENO) |
|
| close(devnull); |
|
| } |
|
| |
|
| /* |
/* |
| * Connect to the given ssh server using a proxy command that passes a |
* Connect to the given ssh server using a proxy command that passes a |
| * a connected fd back to us. |
* a connected fd back to us. |
|
|
| * error messages may be printed on the user's terminal. |
* error messages may be printed on the user's terminal. |
| */ |
*/ |
| if (!debug_flag && options.control_path != NULL && |
if (!debug_flag && options.control_path != NULL && |
| options.control_persist) |
options.control_persist && stdfd_devnull(0, 0, 1) == -1) |
| stderr_null(); |
error("%s: stdfd_devnull failed", __func__); |
| |
|
| argv[0] = shell; |
argv[0] = shell; |
| argv[1] = "-c"; |
argv[1] = "-c"; |
|
|
| * error messages may be printed on the user's terminal. |
* error messages may be printed on the user's terminal. |
| */ |
*/ |
| if (!debug_flag && options.control_path != NULL && |
if (!debug_flag && options.control_path != NULL && |
| options.control_persist) |
options.control_persist && stdfd_devnull(0, 0, 1) == -1) |
| stderr_null(); |
error("%s: stdfd_devnull failed", __func__); |
| |
|
| argv[0] = shell; |
argv[0] = shell; |
| argv[1] = "-c"; |
argv[1] = "-c"; |
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