[Fix] Add spaces to dkim signature to allow folding

diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c
index 16cb7f3716cfa2e5d6f2d1f7e6869156597b0ce2..057d7b33b2e32aebf711c814ebe1c55d5b91645e 100644 (file)
--- a/src/libserver/dkim.c
+++ b/src/libserver/dkim.c
@@ -2066,19 +2066,19 @@ rspamd_dkim_sign (struct rspamd_task *task,
        }
 
        hdr = g_string_sized_new (255);
-       rspamd_printf_gstring (hdr, "v=1;a=rsa-sha256;c=%s/%s;d=%s;s=%s;",
+       rspamd_printf_gstring (hdr, "v=1; a=rsa-sha256; c=%s/%s; d=%s; s=%s; ",
                        ctx->common.header_canon_type == DKIM_CANON_RELAXED ? "relaxed" : "simple",
                        ctx->common.body_canon_type == DKIM_CANON_RELAXED ? "relaxed" : "simple",
                        domain, selector);
 
        if (expire > 0) {
-               rspamd_printf_gstring (hdr, "x=%t;", expire);
+               rspamd_printf_gstring (hdr, "x=%t; ", expire);
        }
        if (len > 0) {
-               rspamd_printf_gstring (hdr, "l=%z;", len);
+               rspamd_printf_gstring (hdr, "l=%z; ", len);
        }
 
-       rspamd_printf_gstring (hdr, "t=%t;h=", time (NULL));
+       rspamd_printf_gstring (hdr, "t=%t; h=", time (NULL));
 
        /* Now canonize headers */
        for (i = 0; i < ctx->common.hlist->len; i++) {
@@ -2101,7 +2101,7 @@ rspamd_dkim_sign (struct rspamd_task *task,
        EVP_DigestFinal_ex (ctx->common.body_hash, raw_digest, NULL);
 
        b64_data = rspamd_encode_base64 (raw_digest, dlen, 0, NULL);
-       rspamd_printf_gstring (hdr, "bh=%s;b=", b64_data);
+       rspamd_printf_gstring (hdr, " bh=%s; b=", b64_data);
        g_free (b64_data);
 
        if (ctx->common.header_canon_type == DKIM_CANON_RELAXED) {