-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
#include <sys/prctl.h>
#include <unistd.h>
+#include "alloc-util.h"
+#include "dirent-util.h"
+#include "fd-util.h"
+#include "fs-util.h"
#include "hashmap.h"
+#include "locale-util.h"
#include "log.h"
#include "pager.h"
+#include "parse-util.h"
#include "path-util.h"
#include "process-util.h"
#include "signal-util.h"
+#include "stat-util.h"
+#include "string-util.h"
#include "strv.h"
#include "terminal-util.h"
#include "util.h"
"/usr/local/share\0"
"/usr/lib\0"
"/usr/share\0"
-#ifdef HAVE_SPLIT_USR
+#if HAVE_SPLIT_USR
"/lib\0"
#endif
;
(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;
+ int r;
- x = canonicalize_file_name(a);
- if (!x)
- return -errno;
+ r = chase_symlinks(a, NULL, 0, &x);
+ if (r < 0)
+ return r;
- y = canonicalize_file_name(b);
- if (!y)
- return -errno;
+ r = chase_symlinks(b, NULL, 0, &y);
+ if (r < 0)
+ return r;
return path_equal(x, y);
}
printf("%s%s%s %s %s %s\n",
ansi_highlight_red(), "[MASKED]", ansi_normal(),
- top, draw_special_char(DRAW_ARROW), bottom);
+ top, special_glyph(ARROW), bottom);
return 1;
}
printf("%s%s%s %s %s %s\n",
ansi_highlight_green(), "[EQUIVALENT]", ansi_normal(),
- top, draw_special_char(DRAW_ARROW), bottom);
+ top, special_glyph(ARROW), bottom);
return 1;
}
printf("%s%s%s %s %s %s\n",
ansi_highlight(), "[REDIRECTED]", ansi_normal(),
- top, draw_special_char(DRAW_ARROW), bottom);
+ top, special_glyph(ARROW), bottom);
return 1;
}
printf("%s%s%s %s %s %s\n",
ansi_highlight(), "[OVERRIDDEN]", ansi_normal(),
- top, draw_special_char(DRAW_ARROW), bottom);
+ top, special_glyph(ARROW), bottom);
return 1;
}
printf("%s%s%s %s %s %s\n",
ansi_highlight(), "[EXTENDED]", ansi_normal(),
- top, draw_special_char(DRAW_ARROW), bottom);
+ top, special_glyph(ARROW), bottom);
return 1;
}
return k;
}
-static int enumerate_dir_d(Hashmap *top, Hashmap *bottom, Hashmap *drops, const char *toppath, const char *drop) {
+static int enumerate_dir_d(
+ OrderedHashmap *top,
+ OrderedHashmap *bottom,
+ OrderedHashmap *drops,
+ const char *toppath, const char *drop) {
+
_cleanup_free_ char *unit = NULL;
_cleanup_free_ char *path = NULL;
_cleanup_strv_free_ char **list = NULL;
assert(!endswith(drop, "/"));
- path = strjoin(toppath, "/", drop, NULL);
+ path = strjoin(toppath, "/", drop);
if (!path)
return -ENOMEM;
if (r < 0)
return log_error_errno(r, "Failed to enumerate %s: %m", path);
+ strv_sort(list);
+
STRV_FOREACH(file, list) {
- Hashmap *h;
+ OrderedHashmap *h;
int k;
char *p;
char *d;
if (!endswith(*file, ".conf"))
continue;
- p = strjoin(path, "/", *file, NULL);
+ p = strjoin(path, "/", *file);
if (!p)
return -ENOMEM;
d = p + strlen(toppath) + 1;
- log_debug("Adding at top: %s %s %s", d, draw_special_char(DRAW_ARROW), p);
- k = hashmap_put(top, d, p);
+ log_debug("Adding at top: %s %s %s", d, special_glyph(ARROW), p);
+ k = ordered_hashmap_put(top, d, p);
if (k >= 0) {
p = strdup(p);
if (!p)
return k;
}
- log_debug("Adding at bottom: %s %s %s", d, draw_special_char(DRAW_ARROW), p);
- free(hashmap_remove(bottom, d));
- k = hashmap_put(bottom, d, p);
+ log_debug("Adding at bottom: %s %s %s", d, special_glyph(ARROW), p);
+ free(ordered_hashmap_remove(bottom, d));
+ k = ordered_hashmap_put(bottom, d, p);
if (k < 0) {
free(p);
return k;
}
- h = hashmap_get(drops, unit);
+ h = ordered_hashmap_get(drops, unit);
if (!h) {
- h = hashmap_new(&string_hash_ops);
+ h = ordered_hashmap_new(&string_hash_ops);
if (!h)
return -ENOMEM;
- hashmap_put(drops, unit, h);
+ ordered_hashmap_put(drops, unit, h);
unit = strdup(unit);
if (!unit)
return -ENOMEM;
return -ENOMEM;
log_debug("Adding to drops: %s %s %s %s %s",
- unit, draw_special_char(DRAW_ARROW), basename(p), draw_special_char(DRAW_ARROW), p);
- k = hashmap_put(h, basename(p), p);
+ unit, special_glyph(ARROW), basename(p), special_glyph(ARROW), p);
+ k = ordered_hashmap_put(h, basename(p), p);
if (k < 0) {
free(p);
if (k != -EEXIST)
return 0;
}
-static int enumerate_dir(Hashmap *top, Hashmap *bottom, Hashmap *drops, const char *path, bool dropins) {
- _cleanup_closedir_ DIR *d;
+static int enumerate_dir(
+ OrderedHashmap *top,
+ OrderedHashmap *bottom,
+ OrderedHashmap *drops,
+ const char *path, bool dropins) {
+
+ _cleanup_closedir_ DIR *d = NULL;
+ struct dirent *de;
+ _cleanup_strv_free_ char **files = NULL, **dirs = NULL;
+ size_t n_files = 0, allocated_files = 0, n_dirs = 0, allocated_dirs = 0;
+ char **t;
+ int r;
assert(top);
assert(bottom);
if (errno == ENOENT)
return 0;
- log_error_errno(errno, "Failed to open %s: %m", path);
- return -errno;
+ return log_error_errno(errno, "Failed to open %s: %m", path);
}
- for (;;) {
- struct dirent *de;
- int k;
- char *p;
-
- errno = 0;
- de = readdir(d);
- if (!de)
- return -errno;
-
+ FOREACH_DIRENT_ALL(de, d, return -errno) {
dirent_ensure_type(d, de);
- if (dropins && de->d_type == DT_DIR && endswith(de->d_name, ".d"))
- enumerate_dir_d(top, bottom, drops, path, de->d_name);
+ if (dropins && de->d_type == DT_DIR && endswith(de->d_name, ".d")) {
+ if (!GREEDY_REALLOC0(dirs, allocated_dirs, n_dirs + 2))
+ return -ENOMEM;
+
+ dirs[n_dirs] = strdup(de->d_name);
+ if (!dirs[n_dirs])
+ return -ENOMEM;
+ n_dirs ++;
+ }
if (!dirent_is_file(de))
continue;
- p = strjoin(path, "/", de->d_name, NULL);
+ if (!GREEDY_REALLOC0(files, allocated_files, n_files + 2))
+ return -ENOMEM;
+
+ files[n_files] = strdup(de->d_name);
+ if (!files[n_files])
+ return -ENOMEM;
+ n_files ++;
+ }
+
+ strv_sort(dirs);
+ strv_sort(files);
+
+ STRV_FOREACH(t, dirs) {
+ r = enumerate_dir_d(top, bottom, drops, path, *t);
+ if (r < 0)
+ return r;
+ }
+
+ STRV_FOREACH(t, files) {
+ _cleanup_free_ char *p = NULL;
+
+ p = strjoin(path, "/", *t);
if (!p)
return -ENOMEM;
- log_debug("Adding at top: %s %s %s", basename(p), draw_special_char(DRAW_ARROW), p);
- k = hashmap_put(top, basename(p), p);
- if (k >= 0) {
+ log_debug("Adding at top: %s %s %s", basename(p), special_glyph(ARROW), p);
+ r = ordered_hashmap_put(top, basename(p), p);
+ if (r >= 0) {
p = strdup(p);
if (!p)
return -ENOMEM;
- } else if (k != -EEXIST) {
- free(p);
- return k;
- }
+ } else if (r != -EEXIST)
+ return r;
- log_debug("Adding at bottom: %s %s %s", basename(p), draw_special_char(DRAW_ARROW), p);
- free(hashmap_remove(bottom, basename(p)));
- k = hashmap_put(bottom, basename(p), p);
- if (k < 0) {
- free(p);
- return k;
- }
+ log_debug("Adding at bottom: %s %s %s", basename(p), special_glyph(ARROW), p);
+ free(ordered_hashmap_remove(bottom, basename(p)));
+ r = ordered_hashmap_put(bottom, basename(p), p);
+ if (r < 0)
+ return r;
+ p = NULL;
}
+
+ return 0;
+}
+
+static int should_skip_prefix(const char* p) {
+#if HAVE_SPLIT_USR
+ int r;
+ _cleanup_free_ char *target = NULL;
+
+ r = chase_symlinks(p, NULL, 0, &target);
+ if (r < 0)
+ return r;
+
+ return !streq(p, target) && nulstr_contains(prefixes, target);
+#else
+ return 0;
+#endif
}
static int process_suffix(const char *suffix, const char *onlyprefix) {
const char *p;
char *f;
- Hashmap *top, *bottom, *drops;
- Hashmap *h;
+ OrderedHashmap *top, *bottom, *drops;
+ OrderedHashmap *h;
char *key;
int r = 0, k;
Iterator i, j;
dropins = nulstr_contains(have_dropins, suffix);
- top = hashmap_new(&string_hash_ops);
- bottom = hashmap_new(&string_hash_ops);
- drops = hashmap_new(&string_hash_ops);
+ top = ordered_hashmap_new(&string_hash_ops);
+ bottom = ordered_hashmap_new(&string_hash_ops);
+ drops = ordered_hashmap_new(&string_hash_ops);
if (!top || !bottom || !drops) {
r = -ENOMEM;
goto finish;
NULSTR_FOREACH(p, prefixes) {
_cleanup_free_ char *t = NULL;
+ int skip;
- t = strjoin(p, "/", suffix, NULL);
+ skip = should_skip_prefix(p);
+ if (skip < 0) {
+ r = skip;
+ goto finish;
+ }
+ if (skip)
+ continue;
+
+ t = strjoin(p, "/", suffix);
if (!t) {
r = -ENOMEM;
goto finish;
r = k;
}
- HASHMAP_FOREACH_KEY(f, key, top, i) {
+ ORDERED_HASHMAP_FOREACH_KEY(f, key, top, i) {
char *o;
- o = hashmap_get(bottom, key);
+ o = ordered_hashmap_get(bottom, key);
assert(o);
if (!onlyprefix || startswith(o, onlyprefix)) {
}
}
- h = hashmap_get(drops, key);
+ h = ordered_hashmap_get(drops, key);
if (h)
- HASHMAP_FOREACH(o, h, j)
+ ORDERED_HASHMAP_FOREACH(o, h, j)
if (!onlyprefix || startswith(o, onlyprefix))
n_found += notify_override_extended(f, o);
}
finish:
- if (top)
- hashmap_free_free(top);
- if (bottom)
- hashmap_free_free(bottom);
- if (drops) {
- HASHMAP_FOREACH_KEY(h, key, drops, i){
- hashmap_free_free(hashmap_remove(drops, key));
- hashmap_remove(drops, key);
- free(key);
- }
- hashmap_free(drops);
+ ordered_hashmap_free_free(top);
+ ordered_hashmap_free_free(bottom);
+
+ ORDERED_HASHMAP_FOREACH_KEY(h, key, drops, i) {
+ ordered_hashmap_free_free(ordered_hashmap_remove(drops, key));
+ ordered_hashmap_remove(drops, key);
+ free(key);
}
+ ordered_hashmap_free(drops);
+
return r < 0 ? r : n_found;
}
r = process_suffix(n, onlyprefix);
if (r < 0)
return r;
- else
- n_found += r;
+
+ n_found += r;
}
+
return n_found;
}
/* Strip prefix from the suffix */
NULSTR_FOREACH(p, prefixes) {
- const char *suffix = startswith(arg, p);
+ const char *suffix;
+ int skip;
+
+ skip = should_skip_prefix(p);
+ if (skip < 0)
+ return skip;
+ if (skip)
+ continue;
+
+ suffix = startswith(arg, p);
if (suffix) {
suffix += strspn(suffix, "/");
if (*suffix)
if (b < 0) {
log_error("Failed to parse diff boolean.");
return -EINVAL;
- } else if (b)
- arg_diff = 1;
- else
- arg_diff = 0;
+ }
+
+ arg_diff = b;
}
break;
}
int main(int argc, char *argv[]) {
- int r = 0, k;
- int n_found = 0;
+ int r, k, n_found = 0;
log_parse_environment();
log_open();
else if (arg_diff)
arg_flags |= SHOW_OVERRIDDEN;
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
if (optind < argc) {
int i;
for (i = optind; i < argc; i++) {
path_kill_slashes(argv[i]);
+
k = process_suffix_chop(argv[i]);
if (k < 0)
r = k;
}
if (r >= 0)
- printf("%s%i overridden configuration files found.\n",
- n_found ? "\n" : "", n_found);
+ printf("%s%i overridden configuration files found.\n", n_found ? "\n" : "", n_found);
finish:
pager_close();