#include "virt.h"
int proc_cmdline(char **ret) {
+ const char *e;
assert(ret);
+ /* For testing purposes it is sometimes useful to be able to override what we consider /proc/cmdline to be */
+ e = secure_getenv("SYSTEMD_PROC_CMDLINE");
+ if (e) {
+ char *m;
+
+ m = strdup(e);
+ if (!m)
+ return -ENOMEM;
+
+ *ret = m;
+ return 0;
+ }
+
if (detect_container() > 0)
return get_process_cmdline(1, 0, false, ret);
else
return read_one_line_file("/proc/cmdline", ret);
}
-int parse_proc_cmdline(int (*parse_item)(const char *key, const char *value)) {
+int parse_proc_cmdline(int (*parse_item)(const char *key, const char *value, void *data),
+ void *data,
+ bool strip_prefix) {
_cleanup_free_ char *line = NULL;
const char *p;
int r;
p = line;
for (;;) {
_cleanup_free_ char *word = NULL;
- char *value = NULL;
+ char *value = NULL, *unprefixed;
r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_RELAX);
if (r < 0)
/* Filter out arguments that are intended only for the
* initrd */
- if (!in_initrd() && startswith(word, "rd."))
+ unprefixed = startswith(word, "rd.");
+ if (unprefixed && !in_initrd())
continue;
value = strchr(word, '=');
if (value)
*(value++) = 0;
- r = parse_item(word, value);
+ r = parse_item(strip_prefix && unprefixed ? unprefixed : word, value, data);
if (r < 0)
return r;
}
"3", SPECIAL_MULTI_USER_TARGET,
"4", SPECIAL_MULTI_USER_TARGET,
"5", SPECIAL_GRAPHICAL_TARGET,
+ NULL
+};
+
+static const char * const rlmap_initrd[] = {
+ "emergency", SPECIAL_EMERGENCY_TARGET,
+ "rescue", SPECIAL_RESCUE_TARGET,
+ NULL
};
const char* runlevel_to_target(const char *word) {
size_t i;
+ const char * const *rlmap_ptr = in_initrd() ? rlmap_initrd
+ : rlmap;
if (!word)
return NULL;
- for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
- if (streq(word, rlmap[i]))
- return rlmap[i+1];
+ if (in_initrd() && (word = startswith(word, "rd.")) == NULL)
+ return NULL;
+
+ for (i = 0; rlmap_ptr[i] != NULL; i += 2)
+ if (streq(word, rlmap_ptr[i]))
+ return rlmap_ptr[i+1];
return NULL;
}