From 216ad9ef58853e30b005446d26326a99bfb2fea5 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Fri, 5 Mar 2004 23:39:42 +0000 Subject: [PATCH] Memory leak fix. --- crypto/pem/pem_lib.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/crypto/pem/pem_lib.c b/crypto/pem/pem_lib.c index e921cc4c12..7a383f3dff 100644 --- a/crypto/pem/pem_lib.c +++ b/crypto/pem/pem_lib.c @@ -537,7 +537,7 @@ int PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data, long len) { int nlen,n,i,j,outl; - unsigned char *buf; + unsigned char *buf = NULL; EVP_ENCODE_CTX ctx; int reason=ERR_R_BUF_LIB; @@ -557,7 +557,7 @@ int PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data, goto err; } - buf=(unsigned char *)OPENSSL_malloc(PEM_BUFSIZE*8); + buf = OPENSSL_malloc(PEM_BUFSIZE*8); if (buf == NULL) { reason=ERR_R_MALLOC_FAILURE; @@ -578,12 +578,15 @@ int PEM_write_bio(BIO *bp, const char *name, char *header, unsigned char *data, EVP_EncodeFinal(&ctx,buf,&outl); if ((outl > 0) && (BIO_write(bp,(char *)buf,outl) != outl)) goto err; OPENSSL_free(buf); + buf = NULL; if ( (BIO_write(bp,"-----END ",9) != 9) || (BIO_write(bp,name,nlen) != nlen) || (BIO_write(bp,"-----\n",6) != 6)) goto err; return(i+outl); err: + if (buf) + OPENSSL_free(buf); PEMerr(PEM_F_PEM_WRITE_BIO,reason); return(0); }