device-mapper-multipath/0027-RH-warn-on-invalid-regex-instead-of-failing.patch
Benjamin Marzinski 64b1cb0e21 device-mapper-multipath-0.7.7-1
Update Source to 0.7.7
  * Previous patches 0001-0009 & 0018 are included in this commit
Add upstream patches since 0.7.7
  * patches 0001-0012 are from upstream commits since 0.7.7
Add 0015-mpathpersist-add-all_tg_pt-option.patch
  * add new all_tg_pt multpiath.conf option. posted upstream
Add 0016-libmultipath-remove-rbd-code.patch
  * remove unused rbd code. posted upstream
Add 0017-mpathpersist-fix-aptpl-support.patch
  * add ":aptpl" suffix for reservation_key to fix aptpl support.
    posted upstream
Add 0018-multipath-don-t-check-timestamps-without-a-path.patch
  * fix multipath null dereference crash. posted upstream
Add 0019-libmultipath-fix-detect-alua-corner-case.patch
  * fix alua detection with retain_hardware_handler set to off. posted
    upstream
Add 0020-multipath-fix-setting-conf-version.patch
  * multipath wasn't setting the kernel version correctly. posted
    upstream
Add 0028-RH-reset-default-find_mutipaths-value-to-off.patch
  * default to RHEL7 and older device detection style. Redhat specific,
    to keep customer experience the same.
Rename files
  * Previous patches 0010-0011 are now patches 0013-0014
  * Previous patches 0012-0017 & 0019 are now patches 0021-0027
Modify 0021-RH-fixup-udev-rules-for-redhat.patch
  * Fix spurious compile warning with redhat compile options
2018-06-12 14:11:55 -05:00

122 lines
3.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Mon, 6 Nov 2017 21:39:28 -0600
Subject: [PATCH] RH: warn on invalid regex instead of failing
multipath.conf used to allow "*" as a match everything regular expression,
instead of requiring ".*". Instead of erroring when the old style
regular expressions are used, it should print a warning and convert
them.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
libmultipath/dict.c | 27 +++++++++++++++++++++------
libmultipath/parser.c | 13 +++++++++++++
libmultipath/parser.h | 1 +
3 files changed, 35 insertions(+), 6 deletions(-)
diff --git a/libmultipath/dict.c b/libmultipath/dict.c
index 7ad0f5a..ab808d6 100644
--- a/libmultipath/dict.c
+++ b/libmultipath/dict.c
@@ -55,6 +55,21 @@ set_str(vector strvec, void *ptr)
}
static int
+set_regex(vector strvec, void *ptr)
+{
+ char **str_ptr = (char **)ptr;
+
+ if (*str_ptr)
+ FREE(*str_ptr);
+ *str_ptr = set_regex_value(strvec);
+
+ if (!*str_ptr)
+ return 1;
+
+ return 0;
+}
+
+static int
set_yes_no(vector strvec, void *ptr)
{
char * buff;
@@ -1271,7 +1286,7 @@ ble_ ## option ## _handler (struct config *conf, vector strvec) \
if (!conf->option) \
return 1; \
\
- buff = set_value(strvec); \
+ buff = set_regex_value(strvec); \
if (!buff) \
return 1; \
\
@@ -1287,7 +1302,7 @@ ble_ ## option ## _ ## name ## _handler (struct config *conf, vector strvec) \
if (!conf->option) \
return 1; \
\
- buff = set_value(strvec); \
+ buff = set_regex_value(strvec); \
if (!buff) \
return 1; \
\
@@ -1388,16 +1403,16 @@ device_handler(struct config *conf, vector strvec)
return 0;
}
-declare_hw_handler(vendor, set_str)
+declare_hw_handler(vendor, set_regex)
declare_hw_snprint(vendor, print_str)
-declare_hw_handler(product, set_str)
+declare_hw_handler(product, set_regex)
declare_hw_snprint(product, print_str)
-declare_hw_handler(revision, set_str)
+declare_hw_handler(revision, set_regex)
declare_hw_snprint(revision, print_str)
-declare_hw_handler(bl_product, set_str)
+declare_hw_handler(bl_product, set_regex)
declare_hw_snprint(bl_product, print_str)
declare_hw_handler(hwhandler, set_str)
diff --git a/libmultipath/parser.c b/libmultipath/parser.c
index b8b7e0d..34b4ad2 100644
--- a/libmultipath/parser.c
+++ b/libmultipath/parser.c
@@ -380,6 +380,19 @@ set_value(vector strvec)
return alloc;
}
+void *
+set_regex_value(vector strvec)
+{
+ char *buff = set_value(strvec);
+
+ if (buff && strcmp("*", buff) == 0) {
+ condlog(0, "Invalid regular expression \"*\" in multipath.conf. Using \".*\"");
+ FREE(buff);
+ return strdup(".*");
+ }
+ return buff;
+}
+
/* non-recursive configuration stream handler */
static int kw_level = 0;
diff --git a/libmultipath/parser.h b/libmultipath/parser.h
index 62906e9..b791705 100644
--- a/libmultipath/parser.h
+++ b/libmultipath/parser.h
@@ -77,6 +77,7 @@ extern void dump_keywords(vector keydump, int level);
extern void free_keywords(vector keywords);
extern vector alloc_strvec(char *string);
extern void *set_value(vector strvec);
+extern void *set_regex_value(vector strvec);
extern int process_file(struct config *conf, char *conf_file);
extern struct keyword * find_keyword(vector keywords, vector v, char * name);
int snprint_keyword(char *buff, int len, char *fmt, struct keyword *kw,
--
2.7.4