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run0: add options to force allocation of PTY or of pipe use
Fixes: #33033
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parent
988053eac3
commit
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15
man/run0.xml
15
man/run0.xml
@ -192,6 +192,21 @@
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--pty</option></term>
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<term><option>--pipe</option></term>
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<listitem><para>Request allocation of a pseudo TTY for the <command>run0</command> session (in case
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of <option>--pty</option>), or request passing the caller's STDIO file descriptors directly through
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(in case of <option>--pipe</option>). If neither switch is specified, or if both switches are
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specified, the mode will be picked automatically: if standard input, standard output and standard
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error output are all connected to a TTY then a pseudo TTY is allocated, otherwise the relevant file
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descriptors are passed through directly.</para>
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<xi:include href="version-info.xml" xpointer="v257"/>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--machine=</option></term>
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@ -171,6 +171,10 @@ static int help_sudo_mode(void) {
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if (r < 0)
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return log_oom();
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/* NB: Let's not go overboard with short options: we try to keep a modicum of compatibility with
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* sudo's short switches, hence please do not introduce new short switches unless they have a roughly
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* equivalent purpose on sudo. Use long options for everything private to run0. */
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printf("%s [OPTIONS...] COMMAND [ARGUMENTS...]\n"
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"\n%sElevate privileges interactively.%s\n\n"
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" -h --help Show this help\n"
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@ -188,6 +192,8 @@ static int help_sudo_mode(void) {
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" -D --chdir=PATH Set working directory\n"
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" --setenv=NAME[=VALUE] Set environment variable\n"
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" --background=COLOR Set ANSI color for background\n"
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" --pty Request allocation of a pseudo TTY for stdio\n"
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" --pipe Request direct pipe for stdio\n"
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"\nSee the %s for details.\n",
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program_invocation_short_name,
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ansi_highlight(),
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@ -770,6 +776,8 @@ static int parse_argv_sudo_mode(int argc, char *argv[]) {
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ARG_NICE,
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ARG_SETENV,
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ARG_BACKGROUND,
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ARG_PTY,
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ARG_PIPE,
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};
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/* If invoked as "run0" binary, let's expose a more sudo-like interface. We add various extensions
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@ -791,6 +799,8 @@ static int parse_argv_sudo_mode(int argc, char *argv[]) {
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{ "chdir", required_argument, NULL, 'D' },
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{ "setenv", required_argument, NULL, ARG_SETENV },
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{ "background", required_argument, NULL, ARG_BACKGROUND },
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{ "pty", no_argument, NULL, ARG_PTY },
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{ "pipe", no_argument, NULL, ARG_PIPE },
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{},
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};
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@ -883,6 +893,20 @@ static int parse_argv_sudo_mode(int argc, char *argv[]) {
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break;
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case ARG_PTY:
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if (IN_SET(arg_stdio, ARG_STDIO_DIRECT, ARG_STDIO_AUTO)) /* if --pipe is already used, upgrade to auto mode */
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arg_stdio = ARG_STDIO_AUTO;
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else
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arg_stdio = ARG_STDIO_PTY;
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break;
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case ARG_PIPE:
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if (IN_SET(arg_stdio, ARG_STDIO_PTY, ARG_STDIO_AUTO)) /* If --pty is already used, upgrade to auto mode */
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arg_stdio = ARG_STDIO_AUTO;
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else
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arg_stdio = ARG_STDIO_DIRECT;
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break;
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case '?':
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return -EINVAL;
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@ -913,7 +937,9 @@ static int parse_argv_sudo_mode(int argc, char *argv[]) {
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arg_wait = true;
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arg_aggressive_gc = true;
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arg_stdio = isatty_safe(STDIN_FILENO) && isatty_safe(STDOUT_FILENO) && isatty_safe(STDERR_FILENO) ? ARG_STDIO_PTY : ARG_STDIO_DIRECT;
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if (IN_SET(arg_stdio, ARG_STDIO_NONE, ARG_STDIO_AUTO))
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arg_stdio = isatty_safe(STDIN_FILENO) && isatty_safe(STDOUT_FILENO) && isatty_safe(STDERR_FILENO) ? ARG_STDIO_PTY : ARG_STDIO_DIRECT;
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arg_expand_environment = false;
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arg_send_sighup = true;
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