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Code Issues Releases Wiki Activity

nspawn: use table to parse --console=

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This commit is contained in:
David Tardon
2025-09-30 09:56:09 +02:00
parent 1da7dcf427
commit 25f1473c81
3 changed files with 24 additions and 22 deletions
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9
src/nspawn/nspawn-settings.c
View File

@@ -914,6 +914,15 @@ static const char *const timezone_mode_table[_TIMEZONE_MODE_MAX] = {
DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(timezone_mode, TimezoneMode, TIMEZONE_AUTO);
static const char *const console_mode_table[_CONSOLE_MODE_MAX] = {
[CONSOLE_INTERACTIVE] = "interactive",
[CONSOLE_READ_ONLY] = "read-only",
[CONSOLE_PASSIVE] = "passive",
[CONSOLE_PIPE] = "pipe",
};
DEFINE_STRING_TABLE_LOOKUP(console_mode, ConsoleMode);
DEFINE_CONFIG_PARSE_ENUM(config_parse_userns_ownership, user_namespace_ownership, UserNamespaceOwnership);
static const char *const user_namespace_ownership_table[_USER_NAMESPACE_OWNERSHIP_MAX] = {

3
src/nspawn/nspawn-settings.h
View File

@@ -282,6 +282,9 @@ ResolvConfMode resolv_conf_mode_from_string(const char *s) _pure_;
const char* timezone_mode_to_string(TimezoneMode a) _const_;
TimezoneMode timezone_mode_from_string(const char *s) _pure_;
const char* console_mode_to_string(ConsoleMode m) _const_;
ConsoleMode console_mode_from_string(const char *s) _pure_;
const char* user_namespace_ownership_to_string(UserNamespaceOwnership a) _const_;
UserNamespaceOwnership user_namespace_ownership_from_string(const char *s) _pure_;

34
src/nspawn/nspawn.c
View File

@@ -288,35 +288,19 @@ STATIC_DESTRUCTOR_REGISTER(arg_background, freep);
static int handle_arg_console(const char *arg) {
if (streq(arg, "help")) {
puts("autopipe\n"
"interactive\n"
"passive\n"
"pipe\n"
"read-only");
return 0;
puts("autopipe\n");
return DUMP_STRING_TABLE(console_mode, ConsoleMode, _CONSOLE_MODE_MAX);
}
if (streq(arg, "interactive"))
arg_console_mode = CONSOLE_INTERACTIVE;
else if (streq(arg, "read-only"))
arg_console_mode = CONSOLE_READ_ONLY;
else if (streq(arg, "passive"))
arg_console_mode = CONSOLE_PASSIVE;
else if (streq(arg, "pipe")) {
if (isatty_safe(STDIN_FILENO) && isatty_safe(STDOUT_FILENO))
log_full(arg_quiet ? LOG_DEBUG : LOG_NOTICE,
"Console mode 'pipe' selected, but standard input/output are connected to an interactive TTY. "
"Most likely you want to use 'interactive' console mode for proper interactivity and shell job control. "
"Proceeding anyway.");
arg_console_mode = CONSOLE_PIPE;
} else if (streq(arg, "autopipe")) {
if (streq(arg, "autopipe")) {
if (isatty_safe(STDIN_FILENO) && isatty_safe(STDOUT_FILENO))
arg_console_mode = CONSOLE_INTERACTIVE;
else
arg_console_mode = CONSOLE_PIPE;
} else
return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown console mode: %s", optarg);
arg_console_mode = console_mode_from_string(optarg);
if (arg_console_mode < 0)
return log_error_errno(arg_console_mode, "Unknown console mode: %s", optarg);
arg_settings_mask |= SETTING_CONSOLE_MODE;
return 1;
@@ -1738,6 +1722,12 @@ static int verify_arguments(void) {
if (r < 0)
return r;
if (arg_console_mode == CONSOLE_PIPE && isatty_safe(STDIN_FILENO) && isatty_safe(STDOUT_FILENO))
log_full(arg_quiet ? LOG_DEBUG : LOG_NOTICE,
"Console mode 'pipe' selected, but standard input/output are connected to an interactive TTY. "
"Most likely you want to use 'interactive' console mode for proper interactivity and shell job control. "
"Proceeding anyway.");
return 0;
}