Make Curl_pop3_write() additionally truncate trailing POP3_EOB from received

string buffer, otherwise Curl_client_write() call with zero size would write
to the end of string buffer including matched POP3_EOB.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/pop3.c b/lib/pop3.c
index bb3781ef3..f94035faa 100644
--- a/lib/pop3.c
+++ b/lib/pop3.c
@@ -935,6 +935,7 @@ CURLcode Curl_pop3_write(struct connectdata *conn,
     pop3c->eob += check;
     if(pop3c->eob == POP3_EOB_LEN) {
       /* full match, the transfer is done! */
+      str[nread - check] = '\0';
       nread -= check;
       k->keepon &= ~KEEP_RECV;
       pop3c->eob = 0;