[Fix] Fix DKIM calculations

diff --git a/src/libserver/dkim.c b/src/libserver/dkim.c
index d545a78e41a4bc643b25bb67f7d4bc4288e55dab..f017a2b24c85b69001208c5b186fa3006975ff75 100644 (file)
--- a/src/libserver/dkim.c
+++ b/src/libserver/dkim.c
@@ -1360,7 +1360,7 @@ rspamd_dkim_skip_empty_lines (const gchar *start, const gchar *end,
                        }
                        break;
                case got_cr:
-                       if (p > start - 1) {
+                       if (p > start + 1) {
                                if (*(p - 1) == '\r') {
                                        p --;
                                        state = got_cr;
@@ -1393,7 +1393,7 @@ rspamd_dkim_skip_empty_lines (const gchar *start, const gchar *end,
                        }
                        break;
                case got_lf:
-                       if (p > start - 1) {
+                       if (p > start + 1) {
                                if (*(p - 1) == '\r') {
                                        state = got_crlf;
                                }
@@ -1418,7 +1418,7 @@ rspamd_dkim_skip_empty_lines (const gchar *start, const gchar *end,
                        }
                        break;
                case got_crlf:
-                       if (p > start - 2) {
+                       if (p > start + 2) {
                                if (*(p - 3) == '\r') {
                                        p -= 2;
                                        state = got_cr;
@@ -1445,7 +1445,7 @@ rspamd_dkim_skip_empty_lines (const gchar *start, const gchar *end,
                case test_spaces:
                        t = p - skip;
 
-                       while (t > start - 2 && *t == ' ') {
+                       while (t > start + 2 && *t == ' ') {
                                t --;
                        }