diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/fuzzy_check.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/src/plugins/fuzzy_check.c b/src/plugins/fuzzy_check.c index ece9a91e0..4ed94a141 100644 --- a/src/plugins/fuzzy_check.c +++ b/src/plugins/fuzzy_check.c @@ -1,5 +1,5 @@ /* - * Copyright 2024 Vsevolod Stakhov + * Copyright 2025 Vsevolod Stakhov * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -1715,26 +1715,30 @@ fuzzy_cmd_write_extensions(struct rspamd_task *task, struct rspamd_email_address *addr = g_ptr_array_index(MESSAGE_FIELD(task, from_mime), 0); - unsigned int to_write = MIN(MAX_FUZZY_DOMAIN, addr->domain_len) + 2; - if (to_write > 0 && to_write <= available) { - *dest++ = RSPAMD_FUZZY_EXT_SOURCE_DOMAIN; - *dest++ = to_write - 2; + if (addr->domain_len > 0) { + /* Filter invalid domains */ + unsigned int to_write = MIN(MAX_FUZZY_DOMAIN, addr->domain_len) + 2; - if (addr->domain_len < MAX_FUZZY_DOMAIN) { - memcpy(dest, addr->domain, addr->domain_len); - dest += addr->domain_len; - } - else { - /* Trim from left */ - memcpy(dest, - addr->domain + (addr->domain_len - MAX_FUZZY_DOMAIN), - MAX_FUZZY_DOMAIN); - dest += MAX_FUZZY_DOMAIN; - } + if (to_write > 0 && to_write <= available) { + *dest++ = RSPAMD_FUZZY_EXT_SOURCE_DOMAIN; + *dest++ = to_write - 2; - available -= to_write; - written += to_write; + if (addr->domain_len < MAX_FUZZY_DOMAIN) { + memcpy(dest, addr->domain, addr->domain_len); + dest += addr->domain_len; + } + else { + /* Trim from left */ + memcpy(dest, + addr->domain + (addr->domain_len - MAX_FUZZY_DOMAIN), + MAX_FUZZY_DOMAIN); + dest += MAX_FUZZY_DOMAIN; + } + + available -= to_write; + written += to_write; + } } } |