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-rw-r--r--debian/patches/75_01-Fix-json-extract-operator-for-unfound-case.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/debian/patches/75_01-Fix-json-extract-operator-for-unfound-case.patch b/debian/patches/75_01-Fix-json-extract-operator-for-unfound-case.patch
new file mode 100644
index 0000000..a0978af
--- /dev/null
+++ b/debian/patches/75_01-Fix-json-extract-operator-for-unfound-case.patch
@@ -0,0 +1,69 @@
+From b2734f7b45111f9b7de790c7b334a2ece47675b5 Mon Sep 17 00:00:00 2001
+From: Jeremy Harris <jgh146exb@wizmail.org>
+Date: Sat, 9 Feb 2019 16:56:59 +0000
+Subject: [PATCH 1/7] Fix json extract operator for unfound case
+
+(cherry picked from commit e73798976812e652320f096870359ef35ed069ff)
+---
+ doc/doc-docbook/spec.xfpt | 4 ++++
+ src/expand.c | 13 ++++++++-----
+ test/scripts/0000-Basic/0002 | 3 +++
+ test/stdout/0002 | 3 +++
+ 4 files changed, 18 insertions(+), 5 deletions(-)
+
+--- a/src/expand.c
++++ b/src/expand.c
+@@ -3901,7 +3901,8 @@ return NULL;
+ /* Pull off the leading array or object element, returning
+ a copy in an allocated string. Update the list pointer.
+
+-The element may itself be an abject or array.
++The element may itself be an object or array.
++Return NULL when the list is empty.
+ */
+
+ uschar *
+@@ -3923,6 +3924,7 @@ for (item = s;
+ case '}': object_depth--; break;
+ }
+ *list = *s ? s+1 : s;
++if (item == s) return NULL;
+ item = string_copyn(item, s - item);
+ DEBUG(D_expand) debug_printf_indent(" json ele: '%s'\n", item);
+ return US item;
+@@ -5790,10 +5792,11 @@ while (*s != 0)
+ }
+ while (field_number > 0 && (item = json_nextinlist(&list)))
+ field_number--;
+- s = item;
+- lookup_value = s;
+- while (*s) s++;
+- while (--s >= lookup_value && isspace(*s)) *s = '\0';
++ if ((lookup_value = s = item))
++ {
++ while (*s) s++;
++ while (--s >= lookup_value && isspace(*s)) *s = '\0';
++ }
+ }
+ else
+ {
+--- a/doc/spec.txt
++++ b/doc/spec.txt
+@@ -8776,6 +8776,8 @@ ${extract json{<key>}{<string1>}{<string
+ The braces, commas and colons, and the quoting of the member name are
+ required; the spaces are optional. Matching of the key against the member
+ names is done case-sensitively.
++ If a returned value is a JSON string, it retains its leading and
++ trailing quotes.
+
+ The results of matching are handled as above.
+
+@@ -8813,6 +8815,8 @@ ${extract json{<number>}}{<string1>}{<st
+
+ Field selection and result handling is as above; there is no choice of
+ field separator.
++ If a returned value is a JSON string, it retains its leading and
++ trailing quotes.
+
+ ${filter{<string>}{<condition>}}
+