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| author | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2020-09-29 20:48:26 +0100 |
|---|---|---|
| committer | Vsevolod Stakhov <vsevolod@highsecure.ru> | 2020-09-29 20:48:53 +0100 |
| commit | 32e5b11adfc3550bd4dfe50c3aaa2e96900af102 (patch) | |
| tree | 1b4e2e5665e90c6ed712d7cc7665923ef1686c3c | |
| parent | 2973bb01290b5efe8f373ba8990ad10c2ec025ae (diff) | |
| download | rspamd-32e5b11adfc3550bd4dfe50c3aaa2e96900af102.tar.gz rspamd-32e5b11adfc3550bd4dfe50c3aaa2e96900af102.zip | |
[Fix] Fix endless loop if broken arc chain has been found
| -rw-r--r-- | src/libserver/dkim.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c index bd1854d5d..27db77c26 100644 --- a/src/libserver/dkim.c +++ b/src/libserver/dkim.c @@ -2342,13 +2342,18 @@ rspamd_dkim_canonize_header (struct rspamd_dkim_common_ctx *ctx, id_len = rspamd_snprintf (idx_buf, sizeof (idx_buf), "i=%d;", count); - for (cur = rh->prev;; cur = cur->prev) { + for (cur = rh->prev; ; cur = cur->prev) { if (cur->decoded && rspamd_substring_search (cur->decoded, strlen (cur->decoded), idx_buf, id_len) != -1) { sel = cur; break; } + + if (cur == rh) { + /* Cycle */ + break; + } } if (sel == NULL) { |