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-rw-r--r--lib/imap.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/lib/imap.c b/lib/imap.c
index 1b52f73a4..63a998b2b 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -344,23 +344,28 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
*/
static void imap_get_message(char *buffer, char **outptr)
{
- size_t len = 0;
+ size_t len = strlen(buffer);
char *message = NULL;
- /* Find the start of the message */
- for(message = buffer + 2; *message == ' ' || *message == '\t'; message++)
- ;
+ if(len > 2) {
+ /* Find the start of the message */
+ for(message = buffer + 2; *message == ' ' || *message == '\t'; message++)
+ ;
- /* Find the end of the message */
- for(len = strlen(message); len--;)
- if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
- message[len] != '\t')
- break;
+ /* Find the end of the message */
+ for(len -= 2; len--;)
+ if(message[len] != '\r' && message[len] != '\n' && message[len] != ' ' &&
+ message[len] != '\t')
+ break;
- /* Terminate the message */
- if(++len) {
- message[len] = '\0';
+ /* Terminate the message */
+ if(++len) {
+ message[len] = '\0';
+ }
}
+ else
+ /* junk input => zero length output */
+ message = &buffer[len];
*outptr = message;
}