aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDaniel Stenberg <daniel@haxx.se>2018-07-26 16:55:59 +0300
committerDaniel Stenberg <daniel@haxx.se>2018-07-28 22:36:15 +0200
commitd3905419444614463506243930be1648fb2d7aa7 (patch)
tree2f118698975aa696341d040bd1584604ca5d3350
parent7f5e5706166442186ce0ccbf89f34603781ac94a (diff)
mime: check Curl_rand_hex's return code
Bug: https://curl.haxx.se/mail/archive-2018-07/0015.html Reported-by: Jeffrey Walton Closes #2795
-rw-r--r--lib/mime.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/mime.c b/lib/mime.c
index fd7beb9a4..ca492d11a 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -1228,8 +1228,13 @@ curl_mime *curl_mime_init(struct Curl_easy *easy)
}
memset(mime->boundary, '-', 24);
- Curl_rand_hex(easy, (unsigned char *) mime->boundary + 24,
- MIME_RAND_BOUNDARY_CHARS + 1);
+ if(Curl_rand_hex(easy, (unsigned char *) mime->boundary + 24,
+ MIME_RAND_BOUNDARY_CHARS + 1)) {
+ /* failed to get random separator, bail out */
+ free(mime->boundary);
+ free(mime);
+ return NULL;
+ }
mimesetstate(&mime->state, MIMESTATE_BEGIN, NULL);
}