diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/basic/terminal-util.c | 2 | ||||
| -rw-r--r-- | src/core/execute.c | 60 | ||||
| -rw-r--r-- | src/core/main.c | 2 |
3 files changed, 45 insertions, 19 deletions
diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c index df56d85317..f0a46c48cf 100644 --- a/src/basic/terminal-util.c +++ b/src/basic/terminal-util.c @@ -785,7 +785,7 @@ bool tty_is_vc_resolve(const char *tty) { } const char *default_term_for_tty(const char *tty) { - return tty && tty_is_vc_resolve(tty) ? "TERM=linux" : "TERM=vt220"; + return tty && tty_is_vc_resolve(tty) ? "linux" : "vt220"; } int fd_columns(int fd) { diff --git a/src/core/execute.c b/src/core/execute.c index 26e9cd5339..0bf80fc437 100644 --- a/src/core/execute.c +++ b/src/core/execute.c @@ -219,12 +219,36 @@ static void exec_context_tty_reset(const ExecContext *context, const ExecParamet (void) vt_disallocate(path); } +static bool is_terminal_input(ExecInput i) { + return IN_SET(i, + EXEC_INPUT_TTY, + EXEC_INPUT_TTY_FORCE, + EXEC_INPUT_TTY_FAIL); +} + static bool is_terminal_output(ExecOutput o) { - return - o == EXEC_OUTPUT_TTY || - o == EXEC_OUTPUT_SYSLOG_AND_CONSOLE || - o == EXEC_OUTPUT_KMSG_AND_CONSOLE || - o == EXEC_OUTPUT_JOURNAL_AND_CONSOLE; + return IN_SET(o, + EXEC_OUTPUT_TTY, + EXEC_OUTPUT_SYSLOG_AND_CONSOLE, + EXEC_OUTPUT_KMSG_AND_CONSOLE, + EXEC_OUTPUT_JOURNAL_AND_CONSOLE); +} + +static bool exec_context_needs_term(const ExecContext *c) { + assert(c); + + /* Return true if the execution context suggests we should set $TERM to something useful. */ + + if (is_terminal_input(c->std_input)) + return true; + + if (is_terminal_output(c->std_output)) + return true; + + if (is_terminal_output(c->std_error)) + return true; + + return !!c->tty_path; } static int open_null_as(int flags, int nfd) { @@ -363,13 +387,6 @@ static int open_terminal_as(const char *path, mode_t mode, int nfd) { return r; } -static bool is_terminal_input(ExecInput i) { - return - i == EXEC_INPUT_TTY || - i == EXEC_INPUT_TTY_FORCE || - i == EXEC_INPUT_TTY_FAIL; -} - static int fixup_input(ExecInput std_input, int socket_fd, bool apply_tty_stdin) { if (is_terminal_input(std_input) && !apply_tty_stdin) @@ -1444,12 +1461,21 @@ static int build_environment( our_env[n_env++] = x; } - if (is_terminal_input(c->std_input) || - c->std_output == EXEC_OUTPUT_TTY || - c->std_error == EXEC_OUTPUT_TTY || - c->tty_path) { + if (exec_context_needs_term(c)) { + const char *tty_path, *term = NULL; + + tty_path = exec_context_tty_path(c); + + /* If we are forked off PID 1 and we are supposed to operate on /dev/console, then let's try to inherit + * the $TERM set for PID 1. This is useful for containers so that the $TERM the container manager + * passes to PID 1 ends up all the way in the console login shown. */ + + if (path_equal(tty_path, "/dev/console") && getppid() == 1) + term = getenv("TERM"); + if (!term) + term = default_term_for_tty(tty_path); - x = strdup(default_term_for_tty(exec_context_tty_path(c))); + x = strappend("TERM=", term); if (!x) return -ENOMEM; our_env[n_env++] = x; diff --git a/src/core/main.c b/src/core/main.c index c46d886653..094bbef964 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -1318,7 +1318,7 @@ static int fixup_environment(void) { return r; if (r == 0) { - term = strdup(default_term_for_tty("/dev/console") + 5); + term = strdup(default_term_for_tty("/dev/console")); if (!term) return -ENOMEM; } |