diff options
| -rw-r--r-- | imap-send.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/imap-send.c b/imap-send.c index 8c785f3ca2..12cc4ea4c8 100644 --- a/imap-send.c +++ b/imap-send.c @@ -684,7 +684,7 @@ static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb, struct imap *imap = ctx->imap; char *arg, *p; - if (*s != '[') + if (!s || *s != '[') return RESP_OK; /* no response code */ s++; if (!(p = strchr(s, ']'))) { @@ -693,6 +693,10 @@ static int parse_response_code(struct imap_store *ctx, struct imap_cmd_cb *cb, } *p++ = 0; arg = next_arg(&s); + if (!arg) { + fprintf(stderr, "IMAP error: empty response code\n"); + return RESP_BAD; + } if (!strcmp("UIDVALIDITY", arg)) { if (!(arg = next_arg(&s)) || !(ctx->uidvalidity = atoi(arg))) { fprintf(stderr, "IMAP error: malformed UIDVALIDITY status\n"); @@ -725,7 +729,8 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) { struct imap *imap = ctx->imap; struct imap_cmd *cmdp, **pcmdp; - char *cmd, *arg, *arg1; + char *cmd; + const char *arg, *arg1; int n, resp, resp2, tag; for (;;) { @@ -733,6 +738,10 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) return RESP_BAD; arg = next_arg(&cmd); + if (!arg) { + fprintf(stderr, "IMAP error: empty response\n"); + return RESP_BAD; + } if (*arg == '*') { arg = next_arg(&cmd); if (!arg) { @@ -807,6 +816,8 @@ static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd) if (cmdp->cb.cont || cmdp->cb.data) imap->literal_pending = 0; arg = next_arg(&cmd); + if (!arg) + arg = ""; if (!strcmp("OK", arg)) resp = DRV_OK; else { |