-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
#include <pwd.h>
#include <netinet/ip.h>
#include <linux/kd.h>
+#include <dlfcn.h>
#include "macro.h"
#include "util.h"
#include "missing.h"
#include "log.h"
#include "strv.h"
+#include "label.h"
bool streq_ptr(const char *a, const char *b) {
int safe_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid) {
struct stat st;
- if (mkdir(path, mode) >= 0)
+ if (label_mkdir(path, mode) >= 0)
if (chmod_and_chown(path, mode, uid, gid) < 0)
return -errno;
if (!(t = strndup(path, e - path)))
return -ENOMEM;
- r = mkdir(t, mode);
+ r = label_mkdir(t, mode);
free(t);
if (r < 0 && errno != EEXIST)
if ((r = mkdir_parents(path, mode)) < 0)
return r;
- if (mkdir(path, mode) < 0 && errno != EEXIST)
+ if (label_mkdir(path, mode) < 0 && errno != EEXIST)
return -errno;
return 0;
if (t == (usec_t) -1)
return NULL;
+ if (t == 0) {
+ snprintf(p, l, "0");
+ p[l-1] = 0;
+ return p;
+ }
+
/* The result of this function can be parsed with parse_usec */
for (i = 0; i < ELEMENTSOF(table); i++) {
return strdup(u.sysname);
}
-int getmachineid_malloc(char **b) {
- int r;
-
- assert(b);
-
- if ((r = read_one_line_file("/var/lib/dbus/machine-id", b)) < 0)
- return r;
-
- strstrip(*b);
- return 0;
-}
-
char* getlogname_malloc(void) {
uid_t uid;
long bufsize;
char *replace_env(const char *format, char **env) {
enum {
WORD,
- DOLLAR,
+ CURLY,
VARIABLE
} state = WORD;
case WORD:
if (*e == '$')
- state = DOLLAR;
+ state = CURLY;
break;
- case DOLLAR:
- if (*e == '(') {
+ case CURLY:
+ if (*e == '{') {
if (!(k = strnappend(r, word, e-word-1)))
goto fail;
break;
case VARIABLE:
- if (*e == ')') {
- char *t;
+ if (*e == '}') {
+ const char *t;
- if ((t = strv_env_get_with_length(env, word+2, e-word-2))) {
- if (!(k = strappend(r, t)))
- goto fail;
+ if (!(t = strv_env_get_with_length(env, word+2, e-word-2)))
+ t = "";
- free(r);
- r = k;
+ if (!(k = strappend(r, t)))
+ goto fail;
- word = e+1;
- }
+ free(r);
+ r = k;
+ word = e+1;
state = WORD;
}
break;
char **replace_env_argv(char **argv, char **env) {
char **r, **i;
- unsigned k = 0;
+ unsigned k = 0, l = 0;
+
+ l = strv_length(argv);
- if (!(r = new(char*, strv_length(argv)+1)))
+ if (!(r = new(char*, l+1)))
return NULL;
STRV_FOREACH(i, argv) {
+
+ /* If $FOO appears as single word, replace it by the split up variable */
+ if ((*i)[0] == '$' && (*i)[1] != '{') {
+ char *e;
+ char **w, **m;
+ unsigned q;
+
+ if ((e = strv_env_get(env, *i+1))) {
+
+ if (!(m = strv_split_quoted(e))) {
+ r[k] = NULL;
+ strv_free(r);
+ return NULL;
+ }
+ } else
+ m = NULL;
+
+ q = strv_length(m);
+ l = l + q - 1;
+
+ if (!(w = realloc(r, sizeof(char*) * (l+1)))) {
+ r[k] = NULL;
+ strv_free(r);
+ strv_free(m);
+ return NULL;
+ }
+
+ r = w;
+ if (m) {
+ memcpy(r + k, m, q * sizeof(char*));
+ free(m);
+ }
+
+ k += q;
+ continue;
+ }
+
+ /* If ${FOO} appears as part of a word, replace it by the variable as-is */
if (!(r[k++] = replace_env(*i, env))) {
strv_free(r);
return NULL;
a.st_ino != b.st_ino;
}
+char *ellipsize(const char *s, unsigned length, unsigned percent) {
+ size_t l, x;
+ char *r;
+
+ assert(s);
+ assert(percent <= 100);
+ assert(length >= 3);
+
+ l = strlen(s);
+
+ if (l <= 3 || l <= length)
+ return strdup(s);
+
+ if (!(r = new0(char, length+1)))
+ return r;
+
+ x = (length * percent) / 100;
+
+ if (x > length - 3)
+ x = length - 3;
+
+ memcpy(r, s, x);
+ r[x] = '.';
+ r[x+1] = '.';
+ r[x+2] = '.';
+ memcpy(r + x + 3,
+ s + l - (length - x - 3),
+ length - x - 3);
+
+ return r;
+}
+
+void nss_disable_nscd(void) {
+
+ void (*func)(void);
+
+ /* This is an internal glibc function call. We are not
+ * supposed to call this, because we are not nscd. However
+ * sometimes we feel really dangerous and do it
+ * nonetheless. Muahahah! But at least we protect this with a
+ * dlsym() just in case glibc takes this away from us. */
+
+ if ((func = dlsym(RTLD_DEFAULT, "__nss_disable_nscd"))) {
+ log_debug("Disabling nscd.");
+ func();
+ } else
+ log_debug("Cannot disable nscd.");
+}
+
+int touch(const char *path) {
+ int fd;
+
+ assert(path);
+
+ if ((fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666)) < 0)
+ return -errno;
+
+ close_nointr_nofail(fd);
+ return 0;
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",