1fa08665ef
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/patch#961dbc996f263a22a7e98d6e6a7d6e7dadaa8dc5
72 lines
1.7 KiB
Diff
72 lines
1.7 KiB
Diff
commit 369dcccdfa6336e5a873d6d63705cfbe04c55727
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Author: Jean Delvare <jdelvare@suse.de>
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Date: Mon May 7 15:14:45 2018 +0200
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Don't leak temporary file on failed multi-file ed-style patch
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The previous fix worked fine with single-file ed-style patches, but
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would still leak temporary files in the case of multi-file ed-style
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patch. Fix that case as well, and extend the test case to check for
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it.
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* src/patch.c (main): Unlink TMPEDNAME if needed before moving to
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the next file in a patch.
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This closes bug #53820:
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https://savannah.gnu.org/bugs/index.php?53820
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Fixes: 123eaff0d5d1 ("Fix arbitrary command execution in ed-style patches (CVE-2018-1000156)")
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Fixes: 19599883ffb6 ("Don't leak temporary file on failed ed-style patch")
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diff --git a/src/patch.c b/src/patch.c
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index 9146597..81c7a02 100644
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--- a/src/patch.c
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+++ b/src/patch.c
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@@ -236,6 +236,7 @@ main (int argc, char **argv)
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}
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remove_if_needed (TMPOUTNAME, &TMPOUTNAME_needs_removal);
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}
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+ remove_if_needed (TMPEDNAME, &TMPEDNAME_needs_removal);
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if (! skip_rest_of_patch && ! file_type)
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{
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diff --git a/tests/ed-style b/tests/ed-style
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index 6b6ef9d..504e6e5 100644
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--- a/tests/ed-style
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+++ b/tests/ed-style
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@@ -38,3 +38,34 @@ EOF
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check 'cat foo' <<EOF
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foo
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EOF
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+
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+# Test the case where one ed-style patch modifies several files
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+
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+cat > ed3.diff <<EOF
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+--- foo
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++++ foo
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+1c
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+bar
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+.
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+--- baz
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++++ baz
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+0a
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+baz
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+.
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+EOF
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+
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+# Apparently we can't create a file with such a patch, while it works fine
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+# when the file name is provided on the command line
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+cat > baz <<EOF
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+EOF
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+
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+check 'patch -e -i ed3.diff' <<EOF
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+EOF
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+
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+check 'cat foo' <<EOF
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+bar
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+EOF
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+
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+check 'cat baz' <<EOF
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+baz
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+EOF
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