From: Philipp Takacs <philipp@bureaucracy.de>
Date: Wed, 2 Jan 2019 15:14:21 +0000 (+0100)
Subject: pick fix segfault
X-Git-Tag: mmh-0.4~6
X-Git-Url: http://git.marmaro.de/?p=mmh;a=commitdiff_plain;h=1a1646dc54cace9984b36a1c12e1831d51fa89f1

pick fix segfault

pick now copy the static memory which is later freed.
Also fix the access to uninitialized variable in getthreadid().
Thanks c_14 for reporting.
---

diff --git a/sbr/getthreadid.c b/sbr/getthreadid.c
index 99a7d67..41e3e22 100644
--- a/sbr/getthreadid.c
+++ b/sbr/getthreadid.c
@@ -47,6 +47,9 @@ threadid(char *msgid, char *referens)
 	char *cp;
 
 	threadfrom = referens ? referens : msgid;
+	if (!threadfrom) {
+		return NULL;
+	}
 
 	start = strchr(threadfrom, '<');
 	end = strchr(start, '>');
diff --git a/test/tests/pick/test-thread b/test/tests/pick/test-thread
new file mode 100644
index 0000000..0397e11
--- /dev/null
+++ b/test/tests/pick/test-thread
@@ -0,0 +1,25 @@
+#!/bin/sh
+######################################################
+#
+# Test that the -thread option works.
+#
+######################################################
+
+expected_err=$MH_TEST_DIR/$$.expected_err
+expected_out=$MH_TEST_DIR/$$.expected_out
+actual_err=$MH_TEST_DIR/$$.actual_err
+actual_out=$MH_TEST_DIR/$$.actual_out
+
+# All messages should be go to stdout
+cp `mhpath 5` 5.old
+anno -component 'Message-Id' -text '<testid>' 5 -nodate
+cat > $expected_out <<EOF
+5
+EOF
+# Nothing should to go stderr
+cat /dev/null > $expected_err
+
+pick -thread 5 > $actual_out 2> $actual_err
+mv 5.old `mhpath 5`
+diff -u $expected_err $actual_err
+diff -u $expected_out $actual_out
diff --git a/test/tests/pick/test-thread-without-msgid b/test/tests/pick/test-thread-without-msgid
new file mode 100644
index 0000000..d693439
--- /dev/null
+++ b/test/tests/pick/test-thread-without-msgid
@@ -0,0 +1,22 @@
+#!/bin/sh
+######################################################
+#
+# Test that the -thread option works.
+#
+######################################################
+
+expected_err=$MH_TEST_DIR/$$.expected_err
+expected_out=$MH_TEST_DIR/$$.expected_out
+actual_err=$MH_TEST_DIR/$$.actual_err
+actual_out=$MH_TEST_DIR/$$.actual_out
+
+# All messages should be go to stdout
+cat > $expected_out <<EOF
+5
+EOF
+# Nothing should to go stderr
+cat /dev/null > $expected_err
+
+pick -thread 5 > $actual_out 2> $actual_err
+diff -u $expected_err $actual_err
+diff -u $expected_out $actual_out
diff --git a/uip/pick.c b/uip/pick.c
index aba0c02..049be8a 100644
--- a/uip/pick.c
+++ b/uip/pick.c
@@ -1366,7 +1366,7 @@ createonethread(char *c)
 
 	bd->left = left;
 	bd->right = right;
-	gd->header = "message-id";
+	gd->header = mh_xstrdup("message-id");
 
 	snprintf(buf, sizeof(buf), "^[ \t]*<%s>", c);
 	if(!gcompile(gd, buf)) {
@@ -1375,7 +1375,7 @@ createonethread(char *c)
 	}
 
 	gd = right->data;
-	gd->header = "references";
+	gd->header = mh_xstrdup("references");
 
 	snprintf(buf, sizeof(buf), "^[ \t]*<%s>", c);
 	if(!gcompile(gd, buf)) {