summaryrefslogtreecommitdiff
path: root/src/debug-generator/debug-generator.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/debug-generator/debug-generator.c')
-rw-r--r--src/debug-generator/debug-generator.c202
1 files changed, 0 insertions, 202 deletions
diff --git a/src/debug-generator/debug-generator.c b/src/debug-generator/debug-generator.c
deleted file mode 100644
index 7e80af78e7..0000000000
--- a/src/debug-generator/debug-generator.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2014 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 "alloc-util.h"
-#include "mkdir.h"
-#include "parse-util.h"
-#include "proc-cmdline.h"
-#include "special.h"
-#include "string-util.h"
-#include "strv.h"
-#include "unit-name.h"
-#include "util.h"
-
-static char *arg_default_unit = NULL;
-static const char *arg_dest = "/tmp";
-static char **arg_mask = NULL;
-static char **arg_wants = NULL;
-static bool arg_debug_shell = false;
-
-static int parse_proc_cmdline_item(const char *key, const char *value) {
- int r;
-
- assert(key);
-
- if (streq(key, "systemd.mask")) {
-
- if (!value)
- log_error("Missing argument for systemd.mask= kernel command line parameter.");
- else {
- char *n;
-
- r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
- if (r < 0)
- return log_error_errno(r, "Failed to glob unit name: %m");
-
- r = strv_consume(&arg_mask, n);
- if (r < 0)
- return log_oom();
- }
-
- } else if (streq(key, "systemd.wants")) {
-
- if (!value)
- log_error("Missing argument for systemd.want= kernel command line parameter.");
- else {
- char *n;
-
- r = unit_name_mangle(value, UNIT_NAME_NOGLOB, &n);
- if (r < 0)
- return log_error_errno(r, "Failed to glob unit name: %m");
-
- r = strv_consume(&arg_wants, n);
- if (r < 0)
- return log_oom();
- }
-
- } else if (streq(key, "systemd.debug-shell")) {
-
- if (value) {
- r = parse_boolean(value);
- if (r < 0)
- log_error("Failed to parse systemd.debug-shell= argument '%s', ignoring.", value);
- else
- arg_debug_shell = r;
- } else
- arg_debug_shell = true;
- } else if (streq(key, "systemd.unit")) {
-
- if (!value)
- log_error("Missing argument for systemd.unit= kernel command line parameter.");
- else {
- r = free_and_strdup(&arg_default_unit, value);
- if (r < 0)
- return log_error_errno(r, "Failed to set default unit %s: %m", value);
- }
- } else if (!value) {
- const char *target;
-
- target = runlevel_to_target(key);
- if (target) {
- r = free_and_strdup(&arg_default_unit, target);
- if (r < 0)
- return log_error_errno(r, "Failed to set default unit %s: %m", target);
- }
- }
-
- return 0;
-}
-
-static int generate_mask_symlinks(void) {
- char **u;
- int r = 0;
-
- if (strv_isempty(arg_mask))
- return 0;
-
- STRV_FOREACH(u, arg_mask) {
- _cleanup_free_ char *p = NULL;
-
- p = strjoin(arg_dest, "/", *u, NULL);
- if (!p)
- return log_oom();
-
- if (symlink("/dev/null", p) < 0)
- r = log_error_errno(errno,
- "Failed to create mask symlink %s: %m",
- p);
- }
-
- return r;
-}
-
-static int generate_wants_symlinks(void) {
- char **u;
- int r = 0;
-
- if (strv_isempty(arg_wants))
- return 0;
-
- STRV_FOREACH(u, arg_wants) {
- _cleanup_free_ char *p = NULL, *f = NULL;
-
- p = strjoin(arg_dest, "/", arg_default_unit, ".wants/", *u, NULL);
- if (!p)
- return log_oom();
-
- f = strappend(SYSTEM_DATA_UNIT_PATH "/", *u);
- if (!f)
- return log_oom();
-
- mkdir_parents_label(p, 0755);
-
- if (symlink(f, p) < 0)
- r = log_error_errno(errno,
- "Failed to create wants symlink %s: %m",
- p);
- }
-
- return r;
-}
-
-int main(int argc, char *argv[]) {
- int r, q;
-
- if (argc > 1 && argc != 4) {
- log_error("This program takes three or no arguments.");
- return EXIT_FAILURE;
- }
-
- if (argc > 1)
- arg_dest = argv[2];
-
- log_set_target(LOG_TARGET_SAFE);
- log_parse_environment();
- log_open();
-
- umask(0022);
-
- r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET);
- if (r < 0) {
- log_error_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET);
- goto finish;
- }
-
- r = parse_proc_cmdline(parse_proc_cmdline_item);
- if (r < 0)
- log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
-
- if (arg_debug_shell) {
- r = strv_extend(&arg_wants, "debug-shell.service");
- if (r < 0) {
- r = log_oom();
- goto finish;
- }
- }
-
- r = generate_mask_symlinks();
-
- q = generate_wants_symlinks();
- if (q < 0)
- r = q;
-
-finish:
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-
-}