9abdc502cf
Rebased on top of additional commits staged for upstream
* Previous patches 0048-0060 are now patches 0053-0054 & 0059-0069
Add 0048-libmultipath-add-device-to-hwtable.c.patch
Add 0049-master-libmultipath-fix-use-after-free-when-iscsi-lo.patch
Add 0050-libmultipath-warn-if-freeing-path-that-holds-mpp-hwe.patch
Add 0051-libmultipath-warn-about-NULL-value-of-mpp-hwe.patch
Add 0052-libmultipath-fix-mpp-hwe-handling-in-sync_paths.patch
Add 0055-libmultipath-remove-code-duplication-in-path-countin.patch
Add 0056-libmultipath-count-pending-paths-as-active-on-loads.patch
Add 0057-libmultipath-deal-with-flushing-no-maps.patch
Add 0058-multipath-deal-with-delegation-failures-correctly.patch
Add 0070-multipath-add-libmpathvalid-library.patch
* adds the libmpathvalid.so library to determine if devices are
valid multipath paths.
Add 0071-libmultipath-add-uid-failback-for-dasd-devices.patch
Add 0072-libmultipath-add-ignore_udev_uid-option.patch
122 lines
3.4 KiB
Diff
122 lines
3.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Benjamin Marzinski <bmarzins@redhat.com>
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Date: Mon, 6 Nov 2017 21:39:28 -0600
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Subject: [PATCH] RH: warn on invalid regex instead of failing
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multipath.conf used to allow "*" as a match everything regular expression,
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instead of requiring ".*". Instead of erroring when the old style
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regular expressions are used, it should print a warning and convert
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them.
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Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
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---
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libmultipath/dict.c | 27 +++++++++++++++++++++------
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libmultipath/parser.c | 13 +++++++++++++
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libmultipath/parser.h | 1 +
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3 files changed, 35 insertions(+), 6 deletions(-)
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diff --git a/libmultipath/dict.c b/libmultipath/dict.c
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index 0e9ea387..184d4b22 100644
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--- a/libmultipath/dict.c
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+++ b/libmultipath/dict.c
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@@ -103,6 +103,21 @@ set_str(vector strvec, void *ptr)
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return 0;
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}
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+static int
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+set_regex(vector strvec, void *ptr)
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+{
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+ char **str_ptr = (char **)ptr;
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+
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+ if (*str_ptr)
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+ FREE(*str_ptr);
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+ *str_ptr = set_regex_value(strvec);
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+
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+ if (!*str_ptr)
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+ return 1;
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+
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+ return 0;
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+}
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+
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static int
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set_yes_no(vector strvec, void *ptr)
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{
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@@ -1504,7 +1519,7 @@ ble_ ## option ## _handler (struct config *conf, vector strvec) \
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if (!conf->option) \
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return 1; \
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\
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- buff = set_value(strvec); \
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+ buff = set_regex_value(strvec); \
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if (!buff) \
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return 1; \
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\
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@@ -1520,7 +1535,7 @@ ble_ ## option ## _ ## name ## _handler (struct config *conf, vector strvec) \
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if (!conf->option) \
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return 1; \
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\
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- buff = set_value(strvec); \
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+ buff = set_regex_value(strvec); \
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if (!buff) \
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return 1; \
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\
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@@ -1623,16 +1638,16 @@ device_handler(struct config *conf, vector strvec)
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return 0;
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}
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-declare_hw_handler(vendor, set_str)
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+declare_hw_handler(vendor, set_regex)
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declare_hw_snprint(vendor, print_str)
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-declare_hw_handler(product, set_str)
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+declare_hw_handler(product, set_regex)
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declare_hw_snprint(product, print_str)
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-declare_hw_handler(revision, set_str)
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+declare_hw_handler(revision, set_regex)
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declare_hw_snprint(revision, print_str)
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-declare_hw_handler(bl_product, set_str)
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+declare_hw_handler(bl_product, set_regex)
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declare_hw_snprint(bl_product, print_str)
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declare_hw_handler(hwhandler, set_str)
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diff --git a/libmultipath/parser.c b/libmultipath/parser.c
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index 11a6168c..a7285a35 100644
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--- a/libmultipath/parser.c
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+++ b/libmultipath/parser.c
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@@ -384,6 +384,19 @@ oom:
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return NULL;
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}
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+void *
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+set_regex_value(vector strvec)
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+{
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+ char *buff = set_value(strvec);
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+
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+ if (buff && strcmp("*", buff) == 0) {
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+ condlog(0, "Invalid regular expression \"*\" in multipath.conf. Using \".*\"");
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+ FREE(buff);
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+ return strdup(".*");
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+ }
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+ return buff;
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+}
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+
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/* non-recursive configuration stream handler */
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static int kw_level = 0;
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diff --git a/libmultipath/parser.h b/libmultipath/parser.h
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index 62906e98..b7917052 100644
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--- a/libmultipath/parser.h
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+++ b/libmultipath/parser.h
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@@ -77,6 +77,7 @@ extern void dump_keywords(vector keydump, int level);
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extern void free_keywords(vector keywords);
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extern vector alloc_strvec(char *string);
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extern void *set_value(vector strvec);
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+extern void *set_regex_value(vector strvec);
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extern int process_file(struct config *conf, char *conf_file);
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extern struct keyword * find_keyword(vector keywords, vector v, char * name);
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int snprint_keyword(char *buff, int len, char *fmt, struct keyword *kw,
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--
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2.17.2
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