systemd/0787-generator-add-generator_open_unit_file_full-to-allow.patch
Jan Macku 75aa201631 systemd-252-37
Resolves: RHEL-13159,RHEL-20322,RHEL-27512,RHEL-30372,RHEL-31070,RHEL-31219,RHEL-33890,RHEL-35703,RHEL-38864,RHEL-40878,RHEL-6589
2024-06-13 16:16:12 +02:00

117 lines
4.0 KiB
Diff

From 1e4f0fdb8d684007fa0c9747181a8ca70da5eaae Mon Sep 17 00:00:00 2001
From: Antonio Alvarez Feijoo <antonio.feijoo@suse.com>
Date: Mon, 10 Apr 2023 15:18:33 +0200
Subject: [PATCH] generator: add generator_open_unit_file_full to allow
creating temporary units
This function is like `generator_open_unit_file`, but if `ret_temp_path` is
passed, a temporary unit is created instead.
(cherry picked from commit 8a84e0d7960b7970c16a4efd4c5b0b26c810d22d)
Related: RHEL-27512
---
src/shared/generator.c | 46 ++++++++++++++++++++++++++++--------------
src/shared/generator.h | 10 ++++-----
2 files changed, 36 insertions(+), 20 deletions(-)
diff --git a/src/shared/generator.c b/src/shared/generator.c
index 284e5fc580..29de8ada6b 100644
--- a/src/shared/generator.c
+++ b/src/shared/generator.c
@@ -20,42 +20,58 @@
#include "specifier.h"
#include "string-util.h"
#include "time-util.h"
+#include "tmpfile-util.h"
#include "unit-name.h"
#include "util.h"
-int generator_open_unit_file(
+int generator_open_unit_file_full(
const char *dir,
const char *source,
const char *fn,
- FILE **ret) {
+ FILE **ret_file,
+ char **ret_temp_path) {
_cleanup_free_ char *p = NULL;
FILE *f;
int r;
assert(dir);
- assert(fn);
- assert(ret);
+ assert(ret_file);
- p = path_join(dir, fn);
- if (!p)
- return log_oom();
+ /* If <ret_temp_path> is specified, it creates a temporary unit file and also returns its
+ * temporary path. */
- r = fopen_unlocked(p, "wxe", &f);
- if (r < 0) {
- if (source && r == -EEXIST)
- return log_error_errno(r,
- "Failed to create unit file '%s', as it already exists. Duplicate entry in '%s'?",
- p, source);
+ if (ret_temp_path) {
+ r = fopen_temporary(dir, &f, &p);
+ if (r < 0)
+ return log_error_errno(r, "Failed to create temporary unit file in '%s': %m", dir);
+
+ (void) fchmod(fileno(f), 0644);
- return log_error_errno(r, "Failed to create unit file '%s': %m", p);
+ *ret_temp_path = TAKE_PTR(p);
+ } else {
+ assert(fn);
+
+ p = path_join(dir, fn);
+ if (!p)
+ return log_oom();
+
+ r = fopen_unlocked(p, "wxe", &f);
+ if (r < 0) {
+ if (source && r == -EEXIST)
+ return log_error_errno(r,
+ "Failed to create unit file '%s', as it already exists. Duplicate entry in '%s'?",
+ p, source);
+
+ return log_error_errno(r, "Failed to create unit file '%s': %m", p);
+ }
}
fprintf(f,
"# Automatically generated by %s\n\n",
program_invocation_short_name);
- *ret = f;
+ *ret_file = f;
return 0;
}
diff --git a/src/shared/generator.h b/src/shared/generator.h
index 111900fd45..d97d6edc67 100644
--- a/src/shared/generator.h
+++ b/src/shared/generator.h
@@ -6,11 +6,11 @@
#include "macro.h"
#include "main-func.h"
-int generator_open_unit_file(
- const char *dest,
- const char *source,
- const char *name,
- FILE **file);
+int generator_open_unit_file_full(const char *dest, const char *source, const char *name, FILE **ret_file, char **ret_temp_path);
+
+static inline int generator_open_unit_file(const char *dest, const char *source, const char *name, FILE **ret_file) {
+ return generator_open_unit_file_full(dest, source, name, ret_file, NULL);
+}
int generator_add_symlink_full(const char *dir, const char *dst, const char *dep_type, const char *src, const char *instance);