From 28249bf27e32d5afecc37a95d81c50dd454c1586 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Thu, 2 Jun 2016 02:49:14 -0400
Subject: ./move.sh
---
src/libshared/install-printf.c | 133 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 133 insertions(+)
create mode 100644 src/libshared/install-printf.c
(limited to 'src/libshared/install-printf.c')
diff --git a/src/libshared/install-printf.c b/src/libshared/install-printf.c
new file mode 100644
index 0000000000..88143361da
--- /dev/null
+++ b/src/libshared/install-printf.c
@@ -0,0 +1,133 @@
+/***
+ This file is part of systemd.
+
+ 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
+ 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 <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "formats-util.h"
+#include "install-printf.h"
+#include "install.h"
+#include "macro.h"
+#include "specifier.h"
+#include "unit-name.h"
+#include "user-util.h"
+
+static int specifier_prefix_and_instance(char specifier, void *data, void *userdata, char **ret) {
+ UnitFileInstallInfo *i = userdata;
+
+ assert(i);
+
+ return unit_name_to_prefix_and_instance(i->name, ret);
+}
+
+static int specifier_prefix(char specifier, void *data, void *userdata, char **ret) {
+ UnitFileInstallInfo *i = userdata;
+
+ assert(i);
+
+ return unit_name_to_prefix(i->name, ret);
+}
+
+static int specifier_instance(char specifier, void *data, void *userdata, char **ret) {
+ UnitFileInstallInfo *i = userdata;
+ char *instance;
+ int r;
+
+ assert(i);
+
+ r = unit_name_to_instance(i->name, &instance);
+ if (r < 0)
+ return r;
+
+ if (!instance) {
+ instance = strdup("");
+ if (!instance)
+ return -ENOMEM;
+ }
+
+ *ret = instance;
+ return 0;
+}
+
+static int specifier_user_name(char specifier, void *data, void *userdata, char **ret) {
+ char *t;
+
+ /* If we are UID 0 (root), this will not result in NSS,
+ * otherwise it might. This is good, as we want to be able to
+ * run this in PID 1, where our user ID is 0, but where NSS
+ * lookups are not allowed. */
+
+ t = getusername_malloc();
+ if (!t)
+ return -ENOMEM;
+
+ *ret = t;
+ return 0;
+}
+
+static int specifier_user_id(char specifier, void *data, void *userdata, char **ret) {
+
+ if (asprintf(ret, UID_FMT, getuid()) < 0)
+ return -ENOMEM;
+
+ return 0;
+}
+
+int install_full_printf(UnitFileInstallInfo *i, const char *format, char **ret) {
+
+ /* This is similar to unit_full_printf() but does not support
+ * anything path-related.
+ *
+ * %n: the full id of the unit (foo@bar.waldo)
+ * %N: the id of the unit without the suffix (foo@bar)
+ * %p: the prefix (foo)
+ * %i: the instance (bar)
+
+ * %U the UID of the running user
+ * %u the username of running user
+ * %m the machine ID of the running system
+ * %H the host name of the running system
+ * %b the boot ID of the running system
+ * %v `uname -r` of the running system
+ */
+
+ const Specifier table[] = {
+ { 'n', specifier_string, i->name },
+ { 'N', specifier_prefix_and_instance, NULL },
+ { 'p', specifier_prefix, NULL },
+ { 'i', specifier_instance, NULL },
+
+ { 'U', specifier_user_id, NULL },
+ { 'u', specifier_user_name, NULL },
+
+ { 'm', specifier_machine_id, NULL },
+ { 'H', specifier_host_name, NULL },
+ { 'b', specifier_boot_id, NULL },
+ { 'v', specifier_kernel_release, NULL },
+ {}
+ };
+
+ assert(i);
+ assert(format);
+ assert(ret);
+
+ return specifier_printf(format, table, i, ret);
+}
--
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