diff options
Diffstat (limited to 'ssl/ssl_cert.c')
-rw-r--r-- | ssl/ssl_cert.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c index 04a4a36d77..a4bf76e989 100644 --- a/ssl/ssl_cert.c +++ b/ssl/ssl_cert.c @@ -836,13 +836,18 @@ static int ssl_add_cert_to_buf(BUF_MEM *buf, unsigned long *l, X509 *x) unsigned char *p; n = i2d_X509(x, NULL); - if (!BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) { + if (n < 0 || !BUF_MEM_grow_clean(buf, (int)(n + (*l) + 3))) { SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB); return 0; } p = (unsigned char *)&(buf->data[*l]); l2n3(n, p); - i2d_X509(x, &p); + n = i2d_X509(x, &p); + if (n < 0) { + /* Shouldn't happen */ + SSLerr(SSL_F_SSL_ADD_CERT_TO_BUF, ERR_R_BUF_LIB); + return 0; + } *l += n + 3; return 1; |