Jan Macku
parent
15f711741e
commit
abd5097f41
137
0017-Revert-udev-remove-WAIT_FOR-key.patch
Normal file
137
0017-Revert-udev-remove-WAIT_FOR-key.patch
Normal file
@ -0,0 +1,137 @@
|
|||||||
|
From ba508dc60d5f62d8821242eebf50efcfbddd1428 Mon Sep 17 00:00:00 2001
|
||||||
|
From: David Tardon <dtardon@redhat.com>
|
||||||
|
Date: Tue, 10 Aug 2021 14:46:16 +0200
|
||||||
|
Subject: [PATCH] Revert "udev: remove WAIT_FOR key"
|
||||||
|
|
||||||
|
This reverts commit f2b8052fb648b788936dd3e85be6a9aca90fbb2f.
|
||||||
|
|
||||||
|
RHEL-only
|
||||||
|
|
||||||
|
Resolves: #1982666
|
||||||
|
---
|
||||||
|
man/udev.xml | 9 +++++++
|
||||||
|
src/udev/udev-rules.c | 56 +++++++++++++++++++++++++++++++++++++++
|
||||||
|
test/rule-syntax-check.py | 2 +-
|
||||||
|
3 files changed, 66 insertions(+), 1 deletion(-)
|
||||||
|
|
||||||
|
diff --git a/man/udev.xml b/man/udev.xml
|
||||||
|
index f6ea2abc12..ce96e201e4 100644
|
||||||
|
--- a/man/udev.xml
|
||||||
|
+++ b/man/udev.xml
|
||||||
|
@@ -592,6 +592,15 @@
|
||||||
|
</listitem>
|
||||||
|
</varlistentry>
|
||||||
|
|
||||||
|
+ <varlistentry>
|
||||||
|
+ <term><varname>WAIT_FOR</varname></term>
|
||||||
|
+ <listitem>
|
||||||
|
+ <para>Wait for a file to become available or until a timeout of
|
||||||
|
+ 10 seconds expires. The path is relative to the sysfs device;
|
||||||
|
+ if no path is specified, this waits for an attribute to appear.</para>
|
||||||
|
+ </listitem>
|
||||||
|
+ </varlistentry>
|
||||||
|
+
|
||||||
|
<varlistentry>
|
||||||
|
<term><varname>OPTIONS</varname></term>
|
||||||
|
<listitem>
|
||||||
|
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
|
||||||
|
index bf997fc0ed..a02a7a1bc6 100644
|
||||||
|
--- a/src/udev/udev-rules.c
|
||||||
|
+++ b/src/udev/udev-rules.c
|
||||||
|
@@ -78,6 +78,7 @@ typedef enum {
|
||||||
|
TK_M_TAG, /* strv, sd_device_get_tag_first(), sd_device_get_tag_next() */
|
||||||
|
TK_M_SUBSYSTEM, /* string, sd_device_get_subsystem() */
|
||||||
|
TK_M_DRIVER, /* string, sd_device_get_driver() */
|
||||||
|
+ TK_M_WAITFOR,
|
||||||
|
TK_M_ATTR, /* string, takes filename through attribute, sd_device_get_sysattr_value(), udev_resolve_subsys_kernel(), etc. */
|
||||||
|
TK_M_SYSCTL, /* string, takes kernel parameter through attribute */
|
||||||
|
|
||||||
|
@@ -415,6 +416,47 @@ static void rule_line_append_token(UdevRuleLine *rule_line, UdevRuleToken *token
|
||||||
|
rule_line->current_token = token;
|
||||||
|
}
|
||||||
|
|
||||||
|
+#define WAIT_LOOP_PER_SECOND 50
|
||||||
|
+static int wait_for_file(sd_device *dev, const char *file, int timeout) {
|
||||||
|
+ char filepath[UDEV_PATH_SIZE];
|
||||||
|
+ char devicepath[UDEV_PATH_SIZE];
|
||||||
|
+ struct stat stats;
|
||||||
|
+ int loop = timeout * WAIT_LOOP_PER_SECOND;
|
||||||
|
+
|
||||||
|
+ /* a relative path is a device attribute */
|
||||||
|
+ devicepath[0] = '\0';
|
||||||
|
+ if (file[0] != '/') {
|
||||||
|
+ const char *val;
|
||||||
|
+ int r;
|
||||||
|
+
|
||||||
|
+ r = sd_device_get_syspath(dev, &val);
|
||||||
|
+ if (r < 0)
|
||||||
|
+ return r;
|
||||||
|
+ strscpyl(devicepath, sizeof(devicepath), val, NULL);
|
||||||
|
+ strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
|
||||||
|
+ file = filepath;
|
||||||
|
+ }
|
||||||
|
+
|
||||||
|
+ while (--loop) {
|
||||||
|
+ const struct timespec duration = { 0, 1000 * 1000 * 1000 / WAIT_LOOP_PER_SECOND };
|
||||||
|
+
|
||||||
|
+ /* lookup file */
|
||||||
|
+ if (stat(file, &stats) == 0) {
|
||||||
|
+ log_debug("file '%s' appeared after %i loops", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
|
||||||
|
+ return 0;
|
||||||
|
+ }
|
||||||
|
+ /* make sure, the device did not disappear in the meantime */
|
||||||
|
+ if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
|
||||||
|
+ log_debug("device disappeared while waiting for '%s'", file);
|
||||||
|
+ return -2;
|
||||||
|
+ }
|
||||||
|
+ log_debug("wait for '%s' for %i mseconds", file, 1000 / WAIT_LOOP_PER_SECOND);
|
||||||
|
+ nanosleep(&duration, NULL);
|
||||||
|
+ }
|
||||||
|
+ log_debug("waiting for '%s' failed", file);
|
||||||
|
+ return -1;
|
||||||
|
+}
|
||||||
|
+
|
||||||
|
static int rule_line_add_token(UdevRuleLine *rule_line, UdevRuleTokenType type, UdevRuleOperatorType op, char *value, void *data) {
|
||||||
|
UdevRuleToken *token;
|
||||||
|
UdevRuleMatchType match_type = _MATCH_TYPE_INVALID;
|
||||||
|
@@ -957,6 +999,12 @@ static int parse_token(UdevRules *rules, const char *key, char *attr, UdevRuleOp
|
||||||
|
r = rule_line_add_token(rule_line, TK_A_RUN_BUILTIN, op, value, UDEV_BUILTIN_CMD_TO_PTR(cmd));
|
||||||
|
} else
|
||||||
|
return log_token_invalid_attr(rules, key);
|
||||||
|
+ } else if (streq(key, "WAIT_FOR") || streq(key, "WAIT_FOR_SYSFS")) {
|
||||||
|
+ if (op == OP_REMOVE)
|
||||||
|
+ return log_token_invalid_op(rules, key);
|
||||||
|
+
|
||||||
|
+ rule_line_add_token(rule_line, TK_M_WAITFOR, 0, value, NULL);
|
||||||
|
+ return 1;
|
||||||
|
} else if (streq(key, "GOTO")) {
|
||||||
|
if (attr)
|
||||||
|
return log_token_invalid_attr(rules, key);
|
||||||
|
@@ -1643,6 +1691,14 @@ static int udev_rule_apply_token_to_event(
|
||||||
|
|
||||||
|
return token_match_string(token, val);
|
||||||
|
}
|
||||||
|
+ case TK_M_WAITFOR: {
|
||||||
|
+ char filename[UDEV_PATH_SIZE];
|
||||||
|
+ int found;
|
||||||
|
+
|
||||||
|
+ udev_event_apply_format(event, token->value, filename, sizeof(filename), false);
|
||||||
|
+ found = (wait_for_file(event->dev, filename, 10) == 0);
|
||||||
|
+ return found || (token->op == OP_NOMATCH);
|
||||||
|
+ }
|
||||||
|
case TK_M_ATTR:
|
||||||
|
case TK_M_PARENTS_ATTR:
|
||||||
|
return token_match_attr(token, dev, event);
|
||||||
|
diff --git a/test/rule-syntax-check.py b/test/rule-syntax-check.py
|
||||||
|
index 9a9e4d1658..0649bcf58e 100755
|
||||||
|
--- a/test/rule-syntax-check.py
|
||||||
|
+++ b/test/rule-syntax-check.py
|
||||||
|
@@ -20,7 +20,7 @@ no_args_tests = re.compile(r'(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|D
|
||||||
|
# PROGRAM can also be specified as an assignment.
|
||||||
|
program_assign = re.compile(r'PROGRAM\s*=\s*' + quoted_string_re + '$')
|
||||||
|
args_tests = re.compile(r'(ATTRS?|ENV|CONST|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*' + quoted_string_re + '$')
|
||||||
|
-no_args_assign = re.compile(r'(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*' + quoted_string_re + '$')
|
||||||
|
+no_args_assign = re.compile(r'(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|RUN|LABEL|GOTO|WAIT_FOR|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*' + quoted_string_re + '$')
|
||||||
|
args_assign = re.compile(r'(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*' + quoted_string_re + '$')
|
||||||
|
# Find comma-separated groups, but allow commas that are inside quoted strings.
|
||||||
|
# Using quoted_string_re + '?' so that strings missing the last double quote
|
||||||
@ -21,7 +21,7 @@
|
|||||||
Name: systemd
|
Name: systemd
|
||||||
Url: https://www.freedesktop.org/wiki/Software/systemd
|
Url: https://www.freedesktop.org/wiki/Software/systemd
|
||||||
Version: 249
|
Version: 249
|
||||||
Release: 3%{?dist}
|
Release: 4%{?dist}
|
||||||
# For a breakdown of the licensing, see README
|
# For a breakdown of the licensing, see README
|
||||||
License: LGPLv2+ and MIT and GPLv2+
|
License: LGPLv2+ and MIT and GPLv2+
|
||||||
Summary: System and Service Manager
|
Summary: System and Service Manager
|
||||||
@ -93,6 +93,7 @@ Patch0013: 0013-Check-return-value-of-pam_get_item-pam_get_data-func.patch
|
|||||||
Patch0014: 0014-random-util-increase-random-seed-size-to-1024.patch
|
Patch0014: 0014-random-util-increase-random-seed-size-to-1024.patch
|
||||||
Patch0015: 0015-journal-don-t-enable-systemd-journald-audit.socket-b.patch
|
Patch0015: 0015-journal-don-t-enable-systemd-journald-audit.socket-b.patch
|
||||||
Patch0016: 0016-journald.conf-don-t-touch-current-audit-settings.patch
|
Patch0016: 0016-journald.conf-don-t-touch-current-audit-settings.patch
|
||||||
|
Patch0017: 0017-Revert-udev-remove-WAIT_FOR-key.patch
|
||||||
|
|
||||||
# Downstream-only patches (9000–9999)
|
# Downstream-only patches (9000–9999)
|
||||||
# https://github.com/systemd/systemd/pull/17050
|
# https://github.com/systemd/systemd/pull/17050
|
||||||
@ -851,6 +852,9 @@ getent passwd systemd-oom &>/dev/null || useradd -r -l -g systemd-oom -d / -s /s
|
|||||||
%files standalone-sysusers -f .file-list-standalone-sysusers
|
%files standalone-sysusers -f .file-list-standalone-sysusers
|
||||||
|
|
||||||
%changelog
|
%changelog
|
||||||
|
* Fri Aug 20 2021 systemd maintenance team <systemd-maint@redhat.com> - 249-4
|
||||||
|
- Revert "udev: remove WAIT_FOR key" (#1982666)
|
||||||
|
|
||||||
* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com>
|
* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com>
|
||||||
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
|
- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
|
||||||
Related: rhbz#1991688
|
Related: rhbz#1991688
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user