diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/main.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/core/main.c b/src/core/main.c index 40d7ff9be5..0a09ff514a 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -1294,6 +1294,35 @@ static int bump_unix_max_dgram_qlen(void) { return 1; } +static int fixup_environment(void) { + _cleanup_free_ char *term = NULL; + int r; + + /* When started as PID1, the kernel uses /dev/console + * for our stdios and uses TERM=linux whatever the + * backend device used by the console. We try to make + * a better guess here since some consoles might not + * have support for color mode for example. + * + * However if TERM was configured through the kernel + * command line then leave it alone. */ + + r = get_proc_cmdline_key("TERM=", &term); + if (r < 0) + return r; + + if (r == 0) { + term = strdup(default_term_for_tty("/dev/console") + 5); + if (!term) + return -errno; + } + + if (setenv("TERM", term, 1) < 0) + return -errno; + + return 0; +} + int main(int argc, char *argv[]) { Manager *m = NULL; int r, retval = EXIT_FAILURE; @@ -1480,6 +1509,14 @@ int main(int argc, char *argv[]) { (void) write_string_file("/proc/sys/kernel/core_pattern", "|/bin/false", 0); } + /* We expect the environment to be set correctly if run inside a + * container. */ + if (arg_system && detect_container() <= 0) + if (fixup_environment() < 0) { + error_message = "Failed to fix up PID1 environment"; + goto finish; + } + /* Initialize default unit */ r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET); if (r < 0) { |