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-rwxr-xr-xt/t5704-protocol-violations.sh52
1 files changed, 52 insertions, 0 deletions
diff --git a/t/t5704-protocol-violations.sh b/t/t5704-protocol-violations.sh
new file mode 100755
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+++ b/t/t5704-protocol-violations.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+test_description='Test responses to violations of the network protocol. In most
+of these cases it will generally be acceptable for one side to break off
+communications if the other side says something unexpected. We are mostly
+making sure that we do not segfault or otherwise behave badly.'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'extra delim packet in v2 ls-refs args' '
+ {
+ packetize command=ls-refs &&
+ packetize "object-format=$(test_oid algo)" &&
+ printf 0001 &&
+ # protocol expects 0000 flush here
+ printf 0001
+ } >input &&
+ test_must_fail env GIT_PROTOCOL=version=2 \
+ git upload-pack . <input 2>err &&
+ test_i18ngrep "expected flush after ls-refs arguments" err
+'
+
+test_expect_success 'extra delim packet in v2 fetch args' '
+ {
+ packetize command=fetch &&
+ packetize "object-format=$(test_oid algo)" &&
+ printf 0001 &&
+ # protocol expects 0000 flush here
+ printf 0001
+ } >input &&
+ test_must_fail env GIT_PROTOCOL=version=2 \
+ git upload-pack . <input 2>err &&
+ test_i18ngrep "expected flush after fetch arguments" err
+'
+
+test_expect_success 'bogus symref in v0 capabilities' '
+ test_commit foo &&
+ oid=$(git rev-parse HEAD) &&
+ dst=refs/heads/foo &&
+ {
+ printf "%s HEAD\0symref object-format=%s symref=HEAD:%s\n" \
+ "$oid" "$GIT_DEFAULT_HASH" "$dst" |
+ test-tool pkt-line pack-raw-stdin &&
+ printf "0000"
+ } >input &&
+ git ls-remote --symref --upload-pack="cat input; read junk;:" . >actual &&
+ printf "ref: %s\tHEAD\n%s\tHEAD\n" "$dst" "$oid" >expect &&
+ test_cmp expect actual
+'
+
+test_done