systemd/1292-cryptsetup-generator-refactor-add_crypttab_devices.patch
Jan Macku f453f2c6ee systemd-252-63
Resolves: RHEL-109833,RHEL-127859
2025-11-27 14:33:52 +01:00

131 lines
4.8 KiB
Diff

From 01826a6ded513adea1dabeccc6b860baee277482 Mon Sep 17 00:00:00 2001
From: David Tardon <dtardon@redhat.com>
Date: Thu, 30 May 2024 10:44:36 +0200
Subject: [PATCH] cryptsetup-generator: refactor add_crypttab_devices()
Move the processing of a crypttab entry to a separate function.
No functional changes, just refactoring.
(cherry picked from commit a07cb7d404582f9c0bfaedb9dd07f93848aa91c6)
Related: RHEL-127859
---
src/cryptsetup/cryptsetup-generator.c | 87 +++++++++++++++------------
1 file changed, 49 insertions(+), 38 deletions(-)
diff --git a/src/cryptsetup/cryptsetup-generator.c b/src/cryptsetup/cryptsetup-generator.c
index 9e8e7e746f..6ab3b85b6b 100644
--- a/src/cryptsetup/cryptsetup-generator.c
+++ b/src/cryptsetup/cryptsetup-generator.c
@@ -779,6 +779,52 @@ static int parse_proc_cmdline_item(const char *key, const char *value, void *dat
return 0;
}
+static int add_crypttab_device(const char *name, const char *device, const char *keyspec, const char *options) {
+ _cleanup_free_ char *keyfile = NULL, *keydev = NULL, *headerdev = NULL, *filtered_header = NULL;
+ crypto_device *d = NULL;
+ char *uuid;
+ int r;
+
+ uuid = startswith(device, "UUID=");
+ if (!uuid)
+ uuid = path_startswith(device, "/dev/disk/by-uuid/");
+ if (!uuid)
+ uuid = startswith(name, "luks-");
+ if (uuid)
+ d = hashmap_get(arg_disks, uuid);
+
+ if (arg_allow_list && !d) {
+ log_info("Not creating device '%s' because it was not specified on the kernel command line.", name);
+ return 0;
+ }
+
+ r = split_locationspec(keyspec, &keyfile, &keydev);
+ if (r < 0)
+ return r;
+
+ if (options && (!d || !d->options)) {
+ r = filter_header_device(options, &headerdev, &filtered_header);
+ if (r < 0)
+ return r;
+ options = filtered_header;
+ }
+
+ r = create_disk(name,
+ device,
+ keyfile,
+ keydev,
+ (d && d->options) ? d->headerdev : headerdev,
+ (d && d->options) ? d->options : options,
+ arg_crypttab);
+ if (r < 0)
+ return r;
+
+ if (d)
+ d->create = false;
+
+ return 0;
+}
+
static int add_crypttab_devices(void) {
_cleanup_fclose_ FILE *f = NULL;
unsigned crypttab_line = 0;
@@ -795,10 +841,8 @@ static int add_crypttab_devices(void) {
}
for (;;) {
- _cleanup_free_ char *line = NULL, *name = NULL, *device = NULL, *keyspec = NULL, *options = NULL,
- *keyfile = NULL, *keydev = NULL, *headerdev = NULL, *filtered_header = NULL;
- crypto_device *d = NULL;
- char *l, *uuid;
+ _cleanup_free_ char *line = NULL, *name = NULL, *device = NULL, *keyspec = NULL, *options = NULL;
+ char *l;
int k;
r = read_line(f, LONG_LINE_MAX, &line);
@@ -819,42 +863,9 @@ static int add_crypttab_devices(void) {
continue;
}
- uuid = startswith(device, "UUID=");
- if (!uuid)
- uuid = path_startswith(device, "/dev/disk/by-uuid/");
- if (!uuid)
- uuid = startswith(name, "luks-");
- if (uuid)
- d = hashmap_get(arg_disks, uuid);
-
- if (arg_allow_list && !d) {
- log_info("Not creating device '%s' because it was not specified on the kernel command line.", name);
- continue;
- }
-
- r = split_locationspec(keyspec, &keyfile, &keydev);
+ r = add_crypttab_device(name, device, keyspec, options);
if (r < 0)
return r;
-
- if (options && (!d || !d->options)) {
- r = filter_header_device(options, &headerdev, &filtered_header);
- if (r < 0)
- return r;
- free_and_replace(options, filtered_header);
- }
-
- r = create_disk(name,
- device,
- keyfile,
- keydev,
- (d && d->options) ? d->headerdev : headerdev,
- (d && d->options) ? d->options : options,
- arg_crypttab);
- if (r < 0)
- return r;
-
- if (d)
- d->create = false;
}
return 0;