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-rw-r--r--lib/imap.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/imap.c b/lib/imap.c
index 3a9ee45a9..559ae0bba 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -335,8 +335,19 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
size_t wordlen;
/* Do we have a tagged command response? */
- if(len >= id_len + 3 && !memcmp(id, line, id_len) && line[id_len] == ' ') {
- *resp = line[id_len + 1]; /* O, N or B */
+ if(len >= id_len + 1 && !memcmp(id, line, id_len) && line[id_len] == ' ') {
+ len = len - id_len - 1;
+
+ if(len >= 2 && !memcmp(line + id_len + 1, "OK", 2))
+ *resp = 'O';
+ else if(len >= 2 && !memcmp(line + id_len + 1, "NO", 2))
+ *resp = 'N';
+ else if(len >= 3 && !memcmp(line + id_len + 1, "BAD", 3))
+ *resp = 'B';
+ else {
+ failf(conn->data, "Bad tagged response");
+ *resp = -1;
+ }
return TRUE;
}