This file is part of systemd.
Copyright 2012 Lennart Poettering
+ Copyright 2013 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
#include "build.h"
#include "strv.h"
+static const char prefixes[] =
+ "/etc\0"
+ "/run\0"
+ "/usr/local/lib\0"
+ "/usr/local/share\0"
+ "/usr/lib\0"
+ "/usr/share\0"
+#ifdef HAVE_SPLIT_USR
+ "/lib\0"
+#endif
+ ;
+
+static const char suffixes[] =
+ "sysctl.d\0"
+ "tmpfiles.d\0"
+ "modules-load.d\0"
+ "binfmt.d\0"
+ "systemd/system\0"
+ "systemd/user\0"
+ "systemd/system-preset\0"
+ "systemd/user-preset\0"
+ "udev/rules.d\0"
+ "modprobe.d\0";
+
+static const char have_dropins[] =
+ "systemd/system\0"
+ "systemd/user\0";
+
static bool arg_no_pager = false;
static int arg_diff = -1;
(SHOW_MASKED | SHOW_EQUIVALENT | SHOW_REDIRECTED | SHOW_OVERRIDDEN | SHOW_EXTENDED)
} arg_flags = 0;
+static void pager_open_if_enabled(void) {
+
+ if (arg_no_pager)
+ return;
+
+ pager_open(false);
+}
+
static int equivalent(const char *a, const char *b) {
_cleanup_free_ char *x = NULL, *y = NULL;
return 0;
printf("%s%s%s %s → %s\n",
- ansi_highlight_green(), "[EQUIVALENT]", ansi_highlight(), top, bottom);
+ ansi_highlight_green(), "[EQUIVALENT]", ansi_highlight_off(), top, bottom);
return 1;
}
}
static int enumerate_dir_d(Hashmap *top, Hashmap *bottom, Hashmap *drops, const char *toppath, const char *drop) {
- _cleanup_free_ char *conf = NULL;
+ _cleanup_free_ char *unit = NULL;
_cleanup_free_ char *path = NULL;
_cleanup_strv_free_ char **list = NULL;
char **file;
char *c;
int r;
+ assert(!endswith(drop, "/"));
+
path = strjoin(toppath, "/", drop, NULL);
if (!path)
return -ENOMEM;
- path_kill_slashes(path);
+ log_debug("Looking at %s", path);
- conf = strdup(drop);
- if (!conf)
+ unit = strdup(drop);
+ if (!unit)
return -ENOMEM;
- c = strrchr(conf, '.');
+ c = strrchr(unit, '.');
if (!c)
return -EINVAL;
*c = 0;
p = strjoin(path, "/", *file, NULL);
if (!p)
return -ENOMEM;
+ d = p + strlen(toppath) + 1;
- path_kill_slashes(p);
-
- d = strrchr(p, '/');
- if (!d || d == p) {
- free(p);
- return -EINVAL;
- }
- d--;
- d = strrchr(p, '/');
-
- if (!d || d == p) {
- free(p);
- return -EINVAL;
- }
-
+ log_debug("Adding at top: %s → %s", d, p);
k = hashmap_put(top, d, p);
if (k >= 0) {
p = strdup(p);
if (!p)
return -ENOMEM;
- d = strrchr(p, '/');
- d--;
- d = strrchr(p, '/');
+ d = p + strlen(toppath) + 1;
} else if (k != -EEXIST) {
free(p);
return k;
}
+ log_debug("Adding at bottom: %s → %s", d, p);
free(hashmap_remove(bottom, d));
k = hashmap_put(bottom, d, p);
if (k < 0) {
return k;
}
- h = hashmap_get(drops, conf);
+ h = hashmap_get(drops, unit);
if (!h) {
h = hashmap_new(string_hash_func, string_compare_func);
if (!h)
return -ENOMEM;
- hashmap_put(drops, conf, h);
- conf = strdup(conf);
- if (!conf)
+ hashmap_put(drops, unit, h);
+ unit = strdup(unit);
+ if (!unit)
return -ENOMEM;
}
if (!p)
return -ENOMEM;
+ log_debug("Adding to drops: %s → %s → %s", unit, basename(p), p);
k = hashmap_put(h, basename(p), p);
if (k < 0) {
free(p);
assert(drops);
assert(path);
+ log_debug("Looking at %s", path);
+
d = opendir(path);
if (!d) {
if (errno == ENOENT)
return 0;
- log_error("Failed to enumerate %s: %m", path);
+ log_error("Failed to open %s: %m", path);
return -errno;
}
for (;;) {
struct dirent *de;
- union dirent_storage buf;
int k;
char *p;
- k = readdir_r(d, &buf.de, &de);
- if (k != 0)
- return -k;
-
+ errno = 0;
+ de = readdir(d);
if (!de)
- break;
+ return -errno;
if (dropins && de->d_type == DT_DIR && endswith(de->d_name, ".d"))
enumerate_dir_d(top, bottom, drops, path, de->d_name);
if (!p)
return -ENOMEM;
- path_kill_slashes(p);
-
+ log_debug("Adding at top: %s → %s", basename(p), p);
k = hashmap_put(top, basename(p), p);
if (k >= 0) {
p = strdup(p);
return k;
}
+ log_debug("Adding at bottom: %s → %s", basename(p), p);
free(hashmap_remove(bottom, basename(p)));
k = hashmap_put(bottom, basename(p), p);
if (k < 0) {
return k;
}
}
-
- return 0;
}
-static int process_suffix(const char *prefixes, const char *suffix, bool dropins) {
+static int process_suffix(const char *suffix, const char *onlyprefix) {
const char *p;
char *f;
- Hashmap *top, *bottom=NULL, *drops=NULL;
+ Hashmap *top, *bottom, *drops;
Hashmap *h;
char *key;
int r = 0, k;
Iterator i, j;
int n_found = 0;
+ bool dropins;
- assert(prefixes);
assert(suffix);
+ assert(!startswith(suffix, "/"));
+ assert(!strstr(suffix, "//"));
- top = hashmap_new(string_hash_func, string_compare_func);
- if (!top) {
- r = -ENOMEM;
- goto finish;
- }
+ dropins = nulstr_contains(have_dropins, suffix);
+ top = hashmap_new(string_hash_func, string_compare_func);
bottom = hashmap_new(string_hash_func, string_compare_func);
- if (!bottom) {
- r = -ENOMEM;
- goto finish;
- }
-
drops = hashmap_new(string_hash_func, string_compare_func);
- if (!drops) {
+ if (!top || !bottom || !drops) {
r = -ENOMEM;
goto finish;
}
}
k = enumerate_dir(top, bottom, drops, t, dropins);
- if (k < 0)
+ if (r == 0)
r = k;
-
- log_debug("Looking at %s", t);
}
HASHMAP_FOREACH_KEY(f, key, top, i) {
o = hashmap_get(bottom, key);
assert(o);
- if (path_equal(o, f))
- notify_override_unchanged(f);
- else {
- k = found_override(f, o);
- if (k < 0)
- r = k;
- else
- n_found += k;
+ if (!onlyprefix || startswith(o, onlyprefix)) {
+ if (path_equal(o, f)) {
+ notify_override_unchanged(f);
+ } else {
+ k = found_override(f, o);
+ if (k < 0)
+ r = k;
+ else
+ n_found += k;
+ }
}
h = hashmap_get(drops, key);
if (h)
HASHMAP_FOREACH(o, h, j)
- n_found += notify_override_extended(f, o);
+ if (!onlyprefix || startswith(o, onlyprefix))
+ n_found += notify_override_extended(f, o);
}
finish:
return r < 0 ? r : n_found;
}
-static int process_suffix_chop(const char *prefixes, const char *suffix, const char *have_dropins) {
+static int process_suffixes(const char *onlyprefix) {
+ const char *n;
+ int n_found = 0, r;
+
+ NULSTR_FOREACH(n, suffixes) {
+ r = process_suffix(n, onlyprefix);
+ if (r < 0)
+ return r;
+ else
+ n_found += r;
+ }
+ return n_found;
+}
+
+static int process_suffix_chop(const char *arg) {
const char *p;
- assert(prefixes);
- assert(suffix);
+ assert(arg);
- if (!path_is_absolute(suffix))
- return process_suffix(prefixes, suffix, nulstr_contains(have_dropins, suffix));
+ if (!path_is_absolute(arg))
+ return process_suffix(arg, NULL);
/* Strip prefix from the suffix */
NULSTR_FOREACH(p, prefixes) {
- if (startswith(suffix, p)) {
- suffix += strlen(p);
+ const char *suffix = startswith(arg, p);
+ if (suffix) {
suffix += strspn(suffix, "/");
- return process_suffix(prefixes, suffix, nulstr_contains(have_dropins, suffix));
+ if (*suffix)
+ return process_suffix(suffix, NULL);
+ else
+ return process_suffixes(arg);
}
}
- log_error("Invalid suffix specification %s.", suffix);
+ log_error("Invalid suffix specification %s.", arg);
return -EINVAL;
}
}
int main(int argc, char *argv[]) {
-
- const char prefixes[] =
- "/etc\0"
- "/run\0"
- "/usr/local/lib\0"
- "/usr/local/share\0"
- "/usr/lib\0"
- "/usr/share\0"
-#ifdef HAVE_SPLIT_USR
- "/lib\0"
-#endif
- ;
-
- const char suffixes[] =
- "sysctl.d\0"
- "tmpfiles.d\0"
- "modules-load.d\0"
- "binfmt.d\0"
- "systemd/system\0"
- "systemd/user\0"
- "systemd/system-preset\0"
- "systemd/user-preset\0"
- "udev/rules.d\0"
- "modprobe.d\0";
-
- const char have_dropins[] =
- "systemd/system\0"
- "systemd/user\0";
-
int r = 0, k;
int n_found = 0;
else if (arg_diff)
arg_flags |= SHOW_OVERRIDDEN;
- if (!arg_no_pager)
- pager_open(false);
+ pager_open_if_enabled();
if (optind < argc) {
int i;
for (i = optind; i < argc; i++) {
- k = process_suffix_chop(prefixes, argv[i], have_dropins);
+ path_kill_slashes(argv[i]);
+ k = process_suffix_chop(argv[i]);
if (k < 0)
r = k;
else
}
} else {
- const char *n;
-
- NULSTR_FOREACH(n, suffixes) {
- k = process_suffix(prefixes, n, nulstr_contains(have_dropins, n));
- if (k < 0)
- r = k;
- else
- n_found += k;
- }
+ k = process_suffixes(NULL);
+ if (k < 0)
+ r = k;
+ else
+ n_found += k;
}
if (r >= 0)
~ianmdlvl / elogind.git / blobdiff