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-rw-r--r--src/delta/delta.c490
1 files changed, 0 insertions, 490 deletions
diff --git a/src/delta/delta.c b/src/delta/delta.c
deleted file mode 100644
index a65cea51bc..0000000000
--- a/src/delta/delta.c
+++ /dev/null
@@ -1,490 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2012 Lennart Poettering
-
- 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
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <assert.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-
-#include "hashmap.h"
-#include "util.h"
-#include "path-util.h"
-#include "log.h"
-#include "pager.h"
-#include "build.h"
-
-static bool arg_no_pager = false;
-static int arg_diff = -1;
-
-static enum {
- SHOW_MASKED = 1 << 0,
- SHOW_EQUIVALENT = 1 << 1,
- SHOW_REDIRECTED = 1 << 2,
- SHOW_OVERRIDDEN = 1 << 3,
- SHOW_UNCHANGED = 1 << 4,
-
- SHOW_DEFAULTS =
- (SHOW_MASKED | SHOW_EQUIVALENT | SHOW_REDIRECTED | SHOW_OVERRIDDEN)
-} arg_flags = 0;
-
-static int equivalent(const char *a, const char *b) {
- _cleanup_free_ char *x = NULL, *y = NULL;
-
- x = canonicalize_file_name(a);
- if (!x)
- return -errno;
-
- y = canonicalize_file_name(b);
- if (!y)
- return -errno;
-
- return path_equal(x, y);
-}
-
-static int notify_override_masked(const char *top, const char *bottom) {
- if (!(arg_flags & SHOW_MASKED))
- return 0;
-
- printf(ANSI_HIGHLIGHT_RED_ON "[MASKED]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
- return 1;
-}
-
-static int notify_override_equivalent(const char *top, const char *bottom) {
- if (!(arg_flags & SHOW_EQUIVALENT))
- return 0;
-
- printf(ANSI_HIGHLIGHT_GREEN_ON "[EQUIVALENT]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
- return 1;
-}
-
-static int notify_override_redirected(const char *top, const char *bottom) {
- if (!(arg_flags & SHOW_REDIRECTED))
- return 0;
-
- printf(ANSI_HIGHLIGHT_ON "[REDIRECTED]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
- return 1;
-}
-
-static int notify_override_overridden(const char *top, const char *bottom) {
- if (!(arg_flags & SHOW_OVERRIDDEN))
- return 0;
-
- printf(ANSI_HIGHLIGHT_ON "[OVERRIDDEN]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
- return 1;
-}
-
-static int notify_override_unchanged(const char *f) {
- if (!(arg_flags & SHOW_UNCHANGED))
- return 0;
-
- printf("[UNCHANGED] %s\n", f);
- return 1;
-}
-
-static int found_override(const char *top, const char *bottom) {
- _cleanup_free_ char *dest = NULL;
- int k;
- pid_t pid;
-
- assert(top);
- assert(bottom);
-
- if (null_or_empty_path(top) > 0) {
- notify_override_masked(top, bottom);
- return 0;
- }
-
- k = readlink_malloc(top, &dest);
- if (k >= 0) {
- if (equivalent(dest, bottom) > 0)
- notify_override_equivalent(top, bottom);
- else
- notify_override_redirected(top, bottom);
-
- return 0;
- }
-
- notify_override_overridden(top, bottom);
- if (!arg_diff)
- return 0;
-
- putchar('\n');
-
- fflush(stdout);
-
- pid = fork();
- if (pid < 0) {
- log_error("Failed to fork off diff: %m");
- return -errno;
- } else if (pid == 0) {
- execlp("diff", "diff", "-us", "--", bottom, top, NULL);
- log_error("Failed to execute diff: %m");
- _exit(1);
- }
-
- wait_for_terminate(pid, NULL);
-
- putchar('\n');
-
- return 0;
-}
-
-static int enumerate_dir(Hashmap *top, Hashmap *bottom, const char *path) {
- _cleanup_closedir_ DIR *d;
-
- assert(top);
- assert(bottom);
- assert(path);
-
- d = opendir(path);
- if (!d) {
- if (errno == ENOENT)
- return 0;
-
- log_error("Failed to enumerate %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;
-
- if (!de)
- break;
-
- if (!dirent_is_file(de))
- continue;
-
- p = strjoin(path, "/", de->d_name, NULL);
- if (!p)
- return -ENOMEM;
-
- path_kill_slashes(p);
-
- k = hashmap_put(top, path_get_file_name(p), p);
- if (k >= 0) {
- p = strdup(p);
- if (!p)
- return -ENOMEM;
- } else if (k != -EEXIST) {
- free(p);
- return k;
- }
-
- free(hashmap_remove(bottom, path_get_file_name(p)));
- k = hashmap_put(bottom, path_get_file_name(p), p);
- if (k < 0) {
- free(p);
- return k;
- }
- }
-
- return 0;
-}
-
-static int process_suffix(const char *prefixes, const char *suffix) {
- const char *p;
- char *f;
- Hashmap *top, *bottom=NULL;
- int r = 0, k;
- Iterator i;
- int n_found = 0;
-
- assert(prefixes);
- assert(suffix);
-
- top = hashmap_new(string_hash_func, string_compare_func);
- if (!top) {
- r = -ENOMEM;
- goto finish;
- }
-
- bottom = hashmap_new(string_hash_func, string_compare_func);
- if (!bottom) {
- r = -ENOMEM;
- goto finish;
- }
-
- NULSTR_FOREACH(p, prefixes) {
- _cleanup_free_ char *t = NULL;
-
- t = strjoin(p, "/", suffix, NULL);
- if (!t) {
- r = -ENOMEM;
- goto finish;
- }
-
- k = enumerate_dir(top, bottom, t);
- if (k < 0)
- r = k;
-
- log_debug("Looking at %s", t);
- }
-
- HASHMAP_FOREACH(f, top, i) {
- char *o;
-
- o = hashmap_get(bottom, path_get_file_name(f));
- assert(o);
-
- if (path_equal(o, f)) {
- notify_override_unchanged(f);
- continue;
- }
-
- k = found_override(f, o);
- if (k < 0)
- r = k;
-
- n_found ++;
- }
-
-finish:
- if (top)
- hashmap_free_free(top);
- if (bottom)
- hashmap_free_free(bottom);
-
- return r < 0 ? r : n_found;
-}
-
-static int process_suffix_chop(const char *prefixes, const char *suffix) {
- const char *p;
-
- assert(prefixes);
- assert(suffix);
-
- if (!path_is_absolute(suffix))
- return process_suffix(prefixes, suffix);
-
- /* Strip prefix from the suffix */
- NULSTR_FOREACH(p, prefixes) {
- if (startswith(suffix, p)) {
- suffix += strlen(p);
- suffix += strspn(suffix, "/");
- return process_suffix(prefixes, suffix);
- }
- }
-
- log_error("Invalid suffix specification %s.", suffix);
- return -EINVAL;
-}
-
-static void help(void) {
-
- printf("%s [OPTIONS...] [SUFFIX...]\n\n"
- "Find overridden configuration files.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --no-pager Do not pipe output into a pager\n"
- " --diff[=1|0] Show a diff when overridden files differ\n"
- " -t --type=LIST... Only display a selected set of override types\n",
- program_invocation_short_name);
-}
-
-static int parse_flags(const char *flag_str, int flags) {
- char *w, *state;
- size_t l;
-
- FOREACH_WORD(w, l, flag_str, state) {
- if (strncmp("masked", w, l) == 0)
- flags |= SHOW_MASKED;
- else if (strncmp ("equivalent", w, l) == 0)
- flags |= SHOW_EQUIVALENT;
- else if (strncmp("redirected", w, l) == 0)
- flags |= SHOW_REDIRECTED;
- else if (strncmp("overridden", w, l) == 0)
- flags |= SHOW_OVERRIDDEN;
- else if (strncmp("unchanged", w, l) == 0)
- flags |= SHOW_UNCHANGED;
- else if (strncmp("default", w, l) == 0)
- flags |= SHOW_DEFAULTS;
- else
- return -EINVAL;
- }
- return flags;
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_NO_PAGER = 0x100,
- ARG_DIFF,
- ARG_VERSION
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "diff", optional_argument, NULL, ARG_DIFF },
- { "type", required_argument, NULL, 't' },
- { NULL, 0, NULL, 0 }
- };
-
- int c;
-
- assert(argc >= 1);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "ht:", options, NULL)) >= 0) {
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(DISTRIBUTION);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case '?':
- return -EINVAL;
-
- case 't': {
- int f;
- f = parse_flags(optarg, arg_flags);
- if (f < 0) {
- log_error("Failed to parse flags field.");
- return -EINVAL;
- }
- arg_flags = f;
- break;
- }
-
- case ARG_DIFF:
- if (!optarg)
- arg_diff = 1;
- else {
- int b;
-
- b = parse_boolean(optarg);
- if (b < 0) {
- log_error("Failed to parse diff boolean.");
- return -EINVAL;
- } else if (b)
- arg_diff = 1;
- else
- arg_diff = 0;
- }
- break;
-
- default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
- }
- }
-
- return 1;
-}
-
-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";
-
- int r = 0, k;
- int n_found = 0;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- if (arg_flags == 0)
- arg_flags = SHOW_DEFAULTS;
-
- if (arg_diff < 0)
- arg_diff = !!(arg_flags & SHOW_OVERRIDDEN);
- else if (arg_diff)
- arg_flags |= SHOW_OVERRIDDEN;
-
- if (!arg_no_pager)
- pager_open();
-
- if (optind < argc) {
- int i;
-
- for (i = optind; i < argc; i++) {
- k = process_suffix_chop(prefixes, argv[i]);
- if (k < 0)
- r = k;
- else
- n_found += k;
- }
-
- } else {
- const char *n;
-
- NULSTR_FOREACH(n, suffixes) {
- k = process_suffix(prefixes, n);
- if (k < 0)
- r = k;
- else
- n_found += k;
- }
- }
-
- if (r >= 0)
- printf("\n%i overridden configuration files found.\n", n_found);
-
-finish:
- pager_close();
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
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