Merge branch 'rs/imap-send-next-arg-fix'

Error checking in "git imap-send" for empty response has been
improved.

* rs/imap-send-next-arg-fix:
  imap-send: handle missing response codes gracefully
  imap-send: handle NULL return of next_arg()
This commit is contained in:
Junio C Hamano 2017-11-15 12:14:26 +09:00
commit d4a5de7bde

View File

@ -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 {