diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/src/auths/get_data.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/src/auths/get_data.c b/src/src/auths/get_data.c index 602a1181a..88359658a 100644 --- a/src/src/auths/get_data.c +++ b/src/src/auths/get_data.c @@ -168,14 +168,20 @@ if (!ss) len = Ustrlen(ss); /* The character ^ is used as an escape for a binary zero character, which is -needed for the PLAIN mechanism. It must be doubled if really needed. */ +needed for the PLAIN mechanism. It must be doubled if really needed. + +The parsing ambiguity of ^^^ is taken as ^^ -> ^ ; ^ -> NUL - and there is +no way to get a leading ^ after a NUL. We would need to intro new syntax to +support that (probably preferring to take a more-standard exim list as a source +and concat the elements with intervening NULs. Either a magic marker on the +source string for client_send, or a new option). */ for (int i = 0; i < len; i++) if (ss[i] == '^') if (ss[i+1] != '^') ss[i] = 0; else - if (--len > ++i) memmove(ss + i, ss + i + 1, len - i); + if (--len > i+1) memmove(ss + i + 1, ss + i + 2, len - i); /* The first string is attached to the AUTH command; others are sent unembellished. */ |