diff options
Diffstat (limited to 'crypto/asn1/a_strex.c')
| -rw-r--r-- | crypto/asn1/a_strex.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/crypto/asn1/a_strex.c b/crypto/asn1/a_strex.c index 7ddb7662f1..1def6c6549 100644 --- a/crypto/asn1/a_strex.c +++ b/crypto/asn1/a_strex.c @@ -63,6 +63,7 @@ #include <openssl/asn1.h> #include "charmap.h" +#include "cryptlib.h" /* ASN1_STRING_print_ex() and X509_NAME_print_ex(). * Enhanced string and name printing routines handling @@ -114,14 +115,17 @@ typedef int char_io(void *arg, const void *buf, int len); static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, char_io *io_ch, void *arg) { unsigned char chflgs, chtmp; - char tmphex[11]; + char tmphex[HEX_SIZE(long)+3]; + + if(c > 0xffffffffL) + return -1; if(c > 0xffff) { - BIO_snprintf(tmphex, 11, "\\W%08lX", c); + BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); if(!io_ch(arg, tmphex, 10)) return -1; return 10; } if(c > 0xff) { - BIO_snprintf(tmphex, 11, "\\U%04lX", c); + BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); if(!io_ch(arg, tmphex, 6)) return -1; return 6; } @@ -195,7 +199,7 @@ static int do_buf(unsigned char *buf, int buflen, if(type & BUF_TYPE_CONVUTF8) { unsigned char utfbuf[6]; int utflen; - utflen = UTF8_putc(utfbuf, 6, c); + utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); for(i = 0; i < utflen; i++) { /* We don't need to worry about setting orflags correctly * because if utflen==1 its value will be correct anyway @@ -461,7 +465,7 @@ static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, if(fn_opt != XN_FLAG_FN_NONE) { int objlen, fld_len; if((fn_opt == XN_FLAG_FN_OID) || (fn_nid==NID_undef) ) { - OBJ_obj2txt(objtmp, 80, fn, 1); + OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1); fld_len = 0; /* XXX: what should this be? */ objbuf = objtmp; } else { |