receive-pack: log received client session ID

When receive-pack receives a session-id capability from the client, log the received session ID via a trace2 data event. Signed-off-by: Josh Steadmon <steadmon@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Josh Steadmon committed Nov 11, 2020 at 15:29 UTC a2a066d96aeaa13fe9124b84978d333243aa17c9
2 files changed +21 -6
builtin/receive-pack.c
+7
@@ -2039,6 +2039,7 @@ static struct command *read_head_info(struct packet_reader *reader,
2039 if (linelen < reader->pktlen) {
2040 const char *feature_list = reader->line + linelen + 1;
2041 const char *hash = NULL;
2042 + const char *client_sid;
2043 int len = 0;
2044 if (parse_feature_request(feature_list, "report-status"))
2045 report_status = 1;
@@ -2061,6 +2062,12 @@ static struct command *read_head_info(struct packet_reader *reader,
2062 }
2063 if (xstrncmpz(the_hash_algo->name, hash, len))
2064 die("error: unsupported object format '%s'", hash);
2065 + client_sid = parse_feature_value(feature_list, "session-id", &len, NULL);
2066 + if (client_sid) {
2067 + char *sid = xstrndup(client_sid, len);
2068 + trace2_data_string("transfer", NULL, "client-sid", client_sid);
2069 + free(sid);
2070 + }
2071 }
2072
2073 if (!strcmp(reader->line, "push-cert")) {
t/t5705-session-id-in-capabilities.sh
+14 -6
@@ -28,13 +28,17 @@ do
28 '
29
30 test_expect_success "session IDs not advertised by default (push v${PROTO})" '
31 - test_when_finished "rm -rf local tr2-client-events" &&
31 + test_when_finished "rm -rf local tr2-client-events tr2-server-events" &&
32 + test_when_finished "git -C local push --delete origin new-branch" &&
33 cp -r "$LOCAL_PRISTINE" local &&
34 git -C local pull --no-rebase origin &&
35 GIT_TRACE2_EVENT_NESTING=5 \
36 GIT_TRACE2_EVENT="$(pwd)/tr2-client-events" \
36 - git -c protocol.version=$PROTO -C local push origin &&
37 - test -z "$(grep \"key\":\"server-sid\" tr2-client-events)"
37 + git -c protocol.version=$PROTO -C local push \
38 + --receive-pack "GIT_TRACE2_EVENT=\"$(pwd)/tr2-server-events\" git-receive-pack" \
39 + origin HEAD:new-branch &&
40 + test -z "$(grep \"key\":\"server-sid\" tr2-client-events)" &&
41 + test -z "$(grep \"key\":\"client-sid\" tr2-server-events)"
42 '
43 done
44
@@ -57,13 +61,17 @@ do
61 '
62
63 test_expect_success "session IDs advertised (push v${PROTO})" '
60 - test_when_finished "rm -rf local tr2-client-events" &&
64 + test_when_finished "rm -rf local tr2-client-events tr2-server-events" &&
65 + test_when_finished "git -C local push --delete origin new-branch" &&
66 cp -r "$LOCAL_PRISTINE" local &&
67 git -C local pull --no-rebase origin &&
68 GIT_TRACE2_EVENT_NESTING=5 \
69 GIT_TRACE2_EVENT="$(pwd)/tr2-client-events" \
65 - git -c protocol.version=$PROTO -C local push origin &&
66 - grep \"key\":\"server-sid\" tr2-client-events
70 + git -c protocol.version=$PROTO -C local push \
71 + --receive-pack "GIT_TRACE2_EVENT=\"$(pwd)/tr2-server-events\" git-receive-pack" \
72 + origin HEAD:new-branch &&
73 + grep \"key\":\"server-sid\" tr2-client-events &&
74 + grep \"key\":\"client-sid\" tr2-server-events
75 '
76 done
77