diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/rand/randfile.c')
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/rand/randfile.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/Cryptlib/OpenSSL/crypto/rand/randfile.c b/Cryptlib/OpenSSL/crypto/rand/randfile.c index d108353b..18105684 100755 --- a/Cryptlib/OpenSSL/crypto/rand/randfile.c +++ b/Cryptlib/OpenSSL/crypto/rand/randfile.c @@ -117,6 +117,15 @@ int RAND_load_file(const char *file, long bytes) if (file == NULL) return(0); +#ifdef PURIFY + /* struct stat can have padding and unused fields that may not be + * initialized in the call to stat(). We need to clear the entire + * structure before calling RAND_add() to avoid complaints from + * applications such as Valgrind. + */ + memset(&sb, 0, sizeof(sb)); +#endif + if (stat(file,&sb) < 0) return(0); RAND_add(&sb,sizeof(sb),0.0); if (bytes == 0) return(ret); @@ -127,8 +136,8 @@ int RAND_load_file(const char *file, long bytes) in=fopen(file,"rb"); #endif if (in == NULL) goto err; -#if defined(S_IFBLK) && defined(S_IFCHR) - if (sb.st_mode & (S_IFBLK | S_IFCHR)) { +#if defined(S_ISBLK) && defined(S_ISCHR) + if (S_ISBLK(sb.st_mode) || S_ISCHR(sb.st_mode)) { /* this file is a device. we don't want read an infinite number * of bytes from a random device, nor do we want to use buffered * I/O because we will waste system entropy. @@ -174,8 +183,8 @@ int RAND_write_file(const char *file) i=stat(file,&sb); if (i != -1) { -#if defined(S_IFBLK) && defined(S_IFCHR) - if (sb.st_mode & (S_IFBLK | S_IFCHR)) { +#if defined(S_ISBLK) && defined(S_ISCHR) + if (S_ISBLK(sb.st_mode) || S_ISCHR(sb.st_mode)) { /* this file is a device. we don't write back to it. * we "succeed" on the assumption this is some sort * of random device. Otherwise attempting to write to @@ -256,8 +265,8 @@ err: const char *RAND_file_name(char *buf, size_t size) { char *s=NULL; - int ok = 0; #ifdef __OpenBSD__ + int ok = 0; struct stat sb; #endif @@ -285,7 +294,9 @@ const char *RAND_file_name(char *buf, size_t size) BUF_strlcat(buf,"/",size); #endif BUF_strlcat(buf,RFILE,size); +#ifdef __OpenBSD__ ok = 1; +#endif } else buf[0] = '\0'; /* no file name */ |