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authorteor <teor@torproject.org>2019-06-24 21:31:10 +1000
committerteor <teor@torproject.org>2019-06-24 21:31:10 +1000
commite350dfc085b6632d0134b11751496ace72c27184 (patch)
tree81e7dd27c9c326753554d16306fe52f525eafbd3 /src
parentafa2c39baa61777b7f5bdfed28efe2ac5087dc4b (diff)
parentb7dda83cfa40bb23c53f08f9ca332a17eacc319b (diff)
downloadtor-e350dfc085b6632d0134b11751496ace72c27184.tar.gz
tor-e350dfc085b6632d0134b11751496ace72c27184.zip
Merge branch 'bug30958_035' into bug30958_040
Diffstat (limited to 'src')
-rw-r--r--src/feature/relay/router.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/src/feature/relay/router.c b/src/feature/relay/router.c
index cdd032f78d..a7e12e5d1f 100644
--- a/src/feature/relay/router.c
+++ b/src/feature/relay/router.c
@@ -3072,11 +3072,13 @@ extrainfo_dump_to_string(char **s_out, extrainfo_t *extrainfo,
while (strlen(s) > MAX_EXTRAINFO_UPLOAD_SIZE - DIROBJ_MAX_SIG_LEN) {
/* So long as there are at least two chunks (one for the initial
* extra-info line and one for the router-signature), we can keep removing
- * things. */
- if (smartlist_len(chunks) > 2) {
- /* We remove the next-to-last element (remember, len-1 is the last
- element), since we need to keep the router-signature element. */
- int idx = smartlist_len(chunks) - 2;
+ * things. If emit_ed_sigs is true, we also keep 2 additional chunks at the
+ * end for the ed25519 signature. */
+ const int required_chunks = emit_ed_sigs ? 4 : 2;
+ if (smartlist_len(chunks) > required_chunks) {
+ /* We remove the next-to-last or 4th-last element (remember, len-1 is the
+ * last element), since we need to keep the router-signature elements. */
+ int idx = smartlist_len(chunks) - required_chunks;
char *e = smartlist_get(chunks, idx);
smartlist_del_keeporder(chunks, idx);
log_warn(LD_GENERAL, "We just generated an extra-info descriptor "