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-rw-r--r--src/basic/proc-cmdline.c29
-rw-r--r--src/basic/proc-cmdline.h1
-rw-r--r--src/core/main.c22
-rw-r--r--src/debug-generator/debug-generator.c28
-rw-r--r--src/test/test-util.c8
5 files changed, 69 insertions, 19 deletions
diff --git a/src/basic/proc-cmdline.c b/src/basic/proc-cmdline.c
index 778c994501..4464573c5b 100644
--- a/src/basic/proc-cmdline.c
+++ b/src/basic/proc-cmdline.c
@@ -26,6 +26,7 @@
#include "parse-util.h"
#include "proc-cmdline.h"
#include "process-util.h"
+#include "special.h"
#include "string-util.h"
#include "util.h"
#include "virt.h"
@@ -143,3 +144,31 @@ int shall_restore_state(void) {
return parse_boolean(value);
}
+
+static const char * const rlmap[] = {
+ "emergency", SPECIAL_EMERGENCY_TARGET,
+ "-b", SPECIAL_EMERGENCY_TARGET,
+ "rescue", SPECIAL_RESCUE_TARGET,
+ "single", SPECIAL_RESCUE_TARGET,
+ "-s", SPECIAL_RESCUE_TARGET,
+ "s", SPECIAL_RESCUE_TARGET,
+ "S", SPECIAL_RESCUE_TARGET,
+ "1", SPECIAL_RESCUE_TARGET,
+ "2", SPECIAL_MULTI_USER_TARGET,
+ "3", SPECIAL_MULTI_USER_TARGET,
+ "4", SPECIAL_MULTI_USER_TARGET,
+ "5", SPECIAL_GRAPHICAL_TARGET,
+};
+
+const char* runlevel_to_target(const char *word) {
+ size_t i;
+
+ if (!word)
+ return NULL;
+
+ for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
+ if (streq(word, rlmap[i]))
+ return rlmap[i+1];
+
+ return NULL;
+}
diff --git a/src/basic/proc-cmdline.h b/src/basic/proc-cmdline.h
index ea8277b053..ce6e84995a 100644
--- a/src/basic/proc-cmdline.h
+++ b/src/basic/proc-cmdline.h
@@ -26,3 +26,4 @@ int parse_proc_cmdline(int (*parse_word)(const char *key, const char *value));
int get_proc_cmdline_key(const char *parameter, char **value);
int shall_restore_state(void);
+const char* runlevel_to_target(const char *rl);
diff --git a/src/core/main.c b/src/core/main.c
index 578de17fec..ea4fd0589d 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -301,20 +301,6 @@ static int parse_crash_chvt(const char *value) {
static int parse_proc_cmdline_item(const char *key, const char *value) {
- static const char * const rlmap[] = {
- "emergency", SPECIAL_EMERGENCY_TARGET,
- "-b", SPECIAL_EMERGENCY_TARGET,
- "rescue", SPECIAL_RESCUE_TARGET,
- "single", SPECIAL_RESCUE_TARGET,
- "-s", SPECIAL_RESCUE_TARGET,
- "s", SPECIAL_RESCUE_TARGET,
- "S", SPECIAL_RESCUE_TARGET,
- "1", SPECIAL_RESCUE_TARGET,
- "2", SPECIAL_MULTI_USER_TARGET,
- "3", SPECIAL_MULTI_USER_TARGET,
- "4", SPECIAL_MULTI_USER_TARGET,
- "5", SPECIAL_GRAPHICAL_TARGET,
- };
int r;
assert(key);
@@ -415,12 +401,12 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
log_set_target(LOG_TARGET_CONSOLE);
} else if (!in_initrd() && !value) {
- unsigned i;
+ const char *target;
/* SysV compatibility */
- for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
- if (streq(key, rlmap[i]))
- return free_and_strdup(&arg_default_unit, rlmap[i+1]);
+ target = runlevel_to_target(key);
+ if (target)
+ return free_and_strdup(&arg_default_unit, target);
}
return 0;
diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c
index e16c3b9453..413cfd0388 100644
--- a/src/debug-generator/debug-generator.c
+++ b/src/debug-generator/debug-generator.c
@@ -23,11 +23,13 @@
#include "mkdir.h"
#include "parse-util.h"
#include "proc-cmdline.h"
+#include "special.h"
#include "string-util.h"
#include "strv.h"
#include "unit-name.h"
#include "util.h"
+static char *arg_default_unit = NULL;
static const char *arg_dest = "/tmp";
static char **arg_mask = NULL;
static char **arg_wants = NULL;
@@ -80,6 +82,24 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
arg_debug_shell = r;
} else
arg_debug_shell = true;
+ } else if (streq(key, "systemd.unit")) {
+
+ if (!value)
+ log_error("Missing argument for systemd.unit= kernel command line parameter.");
+ else {
+ r = free_and_strdup(&arg_default_unit, value);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default unit %s: %m", value);
+ }
+ } else if (!value) {
+ const char *target;
+
+ target = runlevel_to_target(key);
+ if (target) {
+ r = free_and_strdup(&arg_default_unit, target);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default unit %s: %m", target);
+ }
}
return 0;
@@ -118,7 +138,7 @@ static int generate_wants_symlinks(void) {
STRV_FOREACH(u, arg_wants) {
_cleanup_free_ char *p = NULL, *f = NULL;
- p = strjoin(arg_dest, "/default.target.wants/", *u, NULL);
+ p = strjoin(arg_dest, "/", arg_default_unit, ".wants/", *u, NULL);
if (!p)
return log_oom();
@@ -154,6 +174,12 @@ int main(int argc, char *argv[]) {
umask(0022);
+ r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET);
+ if (r < 0) {
+ log_error_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET);
+ goto finish;
+ }
+
r = parse_proc_cmdline(parse_proc_cmdline_item);
if (r < 0)
log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
diff --git a/src/test/test-util.c b/src/test/test-util.c
index 647df4f5c3..f6ed55878c 100644
--- a/src/test/test-util.c
+++ b/src/test/test-util.c
@@ -48,6 +48,7 @@
#include "process-util.h"
#include "rm-rf.h"
#include "signal-util.h"
+#include "special.h"
#include "stat-util.h"
#include "string-util.h"
#include "strv.h"
@@ -1638,6 +1639,12 @@ cleanup:
assert_se(rmdir(t) >= 0);
}
+static void test_runlevel_to_target(void) {
+ assert_se(streq_ptr(runlevel_to_target(NULL), NULL));
+ assert_se(streq_ptr(runlevel_to_target("unknown-runlevel"), NULL));
+ assert_se(streq_ptr(runlevel_to_target("3"), SPECIAL_MULTI_USER_TARGET));
+}
+
int main(int argc, char *argv[]) {
log_parse_environment();
log_open();
@@ -1718,6 +1725,7 @@ int main(int argc, char *argv[]) {
test_tempfn();
test_strcmp_ptr();
test_fgetxattrat_fake();
+ test_runlevel_to_target();
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-12 11:08:50 +0000