Use BUF_strlcpy() instead of strcpy().

Use BUF_strlcat() instead of strcat().
Use BIO_snprintf() instead of sprintf().
In some cases, keep better track of buffer lengths.
This is part of a large change submitted by Markus Friedl <markus@openbsd.org>
This commit is contained in:
Richard Levitte 2003-12-27 14:40:17 +00:00
parent b79aa47a0c
commit d420ac2c7d
43 changed files with 233 additions and 182 deletions

View File

@ -1396,14 +1396,16 @@ int load_config(BIO *err, CONF *cnf)
char *make_config_name()
{
const char *t=X509_get_default_cert_area();
size_t len;
char *p;
p=OPENSSL_malloc(strlen(t)+strlen(OPENSSL_CONF)+2);
strcpy(p,t);
len=strlen(t)+strlen(OPENSSL_CONF)+2;
p=OPENSSL_malloc(len);
BUF_strlcpy(p,t,len);
#ifndef OPENSSL_SYS_VMS
strcat(p,"/");
BUF_strlcat(p,"/",len);
#endif
strcat(p,OPENSSL_CONF);
BUF_strlcat(p,OPENSSL_CONF,len);
return p;
}

View File

@ -557,16 +557,19 @@ bad:
if (configfile == NULL)
{
const char *s=X509_get_default_cert_area();
size_t len;
#ifdef OPENSSL_SYS_VMS
tofree=OPENSSL_malloc(strlen(s)+sizeof(CONFIG_FILE));
len = strlen(s)+sizeof(CONFIG_FILE);
tofree=OPENSSL_malloc(len);
strcpy(tofree,s);
#else
tofree=OPENSSL_malloc(strlen(s)+sizeof(CONFIG_FILE)+1);
strcpy(tofree,s);
strcat(tofree,"/");
len = strlen(s)+sizeof(CONFIG_FILE)+1;
tofree=OPENSSL_malloc(len);
BUF_strlcpy(tofree,s,len);
BUF_strlcat(tofree,"/",len);
#endif
strcat(tofree,CONFIG_FILE);
BUF_strlcat(tofree,CONFIG_FILE,len);
configfile=tofree;
}
@ -1236,7 +1239,7 @@ bad:
for (i=0; i<sk_X509_num(cert_sk); i++)
{
int k;
unsigned char *n;
char *n;
x=sk_X509_value(cert_sk,i);
@ -1252,15 +1255,19 @@ bad:
strcpy(buf[2],outdir);
#ifndef OPENSSL_SYS_VMS
strcat(buf[2],"/");
BUF_strlcat(buf[2],"/",sizeof(buf[2]));
#endif
n=(unsigned char *)&(buf[2][strlen(buf[2])]);
n=(char *)&(buf[2][strlen(buf[2])]);
if (j > 0)
{
for (k=0; k<j; k++)
{
sprintf((char *)n,"%02X",(unsigned char)*(p++));
if (n >= &(buf[2][sizeof(buf[2])]))
break;
BIO_snprintf(n,
&buf[2][0] + sizeof(buf[2]) - n,
"%02X",(unsigned char)*(p++));
n+=2;
}
}
@ -2127,7 +2134,7 @@ again2:
BIO_printf(bio_err,"Memory allocation failure\n");
goto err;
}
strcpy(row[DB_file],"unknown");
BUF_strlcpy(row[DB_file],"unknown",8);
row[DB_type][0]='V';
row[DB_type][1]='\0';
@ -2428,7 +2435,7 @@ static int do_revoke(X509 *x509, CA_DB *db, int type, char *value)
BIO_printf(bio_err,"Memory allocation failure\n");
goto err;
}
strcpy(row[DB_file],"unknown");
BUF_strlcpy(row[DB_file],"unknown",8);
row[DB_type][0]='V';
row[DB_type][1]='\0';
@ -2752,16 +2759,16 @@ char *make_revocation_str(int rev_type, char *rev_arg)
if (!str) return NULL;
strcpy(str, (char *)revtm->data);
BUF_strlcpy(str, (char *)revtm->data, i);
if (reason)
{
strcat(str, ",");
strcat(str, reason);
BUF_strlcat(str, ",", i);
BUF_strlcat(str, reason, i);
}
if (other)
{
strcat(str, ",");
strcat(str, other);
BUF_strlcat(str, ",", i);
BUF_strlcat(str, other, i);
}
ASN1_UTCTIME_free(revtm);
return str;

View File

@ -347,8 +347,9 @@ int MAIN(int argc, char **argv)
}
if(!out_bin)
{
tmp=tofree=OPENSSL_malloc(strlen(name)+strlen(argv[i])+5);
sprintf(tmp,"%s(%s)= ",name,argv[i]);
size_t len = strlen(name)+strlen(argv[i])+5;
tmp=tofree=OPENSSL_malloc(len);
BIO_snprintf(tmp,len,"%s(%s)= ",name,argv[i]);
}
else
tmp="";

View File

@ -373,9 +373,9 @@ bad:
{
char buf[200];
sprintf(buf,"enter %s %s password:",
OBJ_nid2ln(EVP_CIPHER_nid(cipher)),
(enc)?"encryption":"decryption");
BIO_snprintf(buf,sizeof buf,"enter %s %s password:",
OBJ_nid2ln(EVP_CIPHER_nid(cipher)),
(enc)?"encryption":"decryption");
strbuf[0]='\0';
i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc);
if (i == 0)

View File

@ -123,8 +123,8 @@ static int append_buf(char **buf, const char *s, int *size, int step)
return 0;
if (**buf != '\0')
strcat(*buf, ", ");
strcat(*buf, s);
BUF_strlcat(*buf, ", ", *size);
BUF_strlcat(*buf, s, *size);
return 1;
}

View File

@ -551,7 +551,7 @@ int MAIN(int argc, char **argv)
BIO_printf (bio_err, "Can't read Password\n");
goto export_end;
}
if (!twopass) strcpy(macpass, pass);
if (!twopass) BUF_strlcpy(macpass, pass, sizeof macpass);
#ifdef CRYPTO_MDEBUG
CRYPTO_pop_info();
@ -613,7 +613,7 @@ int MAIN(int argc, char **argv)
CRYPTO_pop_info();
#endif
if (!twopass) strcpy(macpass, pass);
if (!twopass) BUF_strlcpy(macpass, pass, sizeof macpass);
if (options & INFO) BIO_printf (bio_err, "MAC Iteration %ld\n", p12->mac->iter ? ASN1_INTEGER_get (p12->mac->iter) : 1);
if(macver) {

View File

@ -1321,34 +1321,34 @@ start: for (;;)
mval = 0;
/* If OBJ not recognised ignore it */
if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
if(strlen(v->name) > sizeof buf-9)
if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
>= sizeof buf)
{
BIO_printf(bio_err,"Name '%s' too long\n",v->name);
return 0;
}
sprintf(buf,"%s_default",v->name);
if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
{
ERR_clear_error();
def="";
}
sprintf(buf,"%s_value",v->name);
BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
{
ERR_clear_error();
value=NULL;
}
sprintf(buf,"%s_min",v->name);
BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
{
ERR_clear_error();
n_min = -1;
}
sprintf(buf,"%s_max",v->name);
BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
{
ERR_clear_error();
@ -1386,13 +1386,13 @@ start2: for (;;)
if ((nid=OBJ_txt2nid(type)) == NID_undef)
goto start2;
if(strlen(v->name) > sizeof buf-9)
if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
>= sizeof buf)
{
BIO_printf(bio_err,"Name '%s' too long\n",v->name);
return 0;
}
sprintf(buf,"%s_default",type);
if ((def=NCONF_get_string(req_conf,attr_sect,buf))
== NULL)
{
@ -1401,7 +1401,7 @@ start2: for (;;)
}
sprintf(buf,"%s_value",type);
BIO_snprintf(buf,sizeof buf,"%s_value",type);
if ((value=NCONF_get_string(req_conf,attr_sect,buf))
== NULL)
{
@ -1409,11 +1409,11 @@ start2: for (;;)
value=NULL;
}
sprintf(buf,"%s_min",type);
BIO_snprintf(buf,sizeof buf,"%s_min",type);
if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
n_min = -1;
sprintf(buf,"%s_max",type);
BIO_snprintf(buf,sizeof buf,"%s_max",type);
if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
n_max = -1;
@ -1507,9 +1507,8 @@ start:
(void)BIO_flush(bio_err);
if(value != NULL)
{
OPENSSL_assert(strlen(value) < sizeof buf-2);
strcpy(buf,value);
strcat(buf,"\n");
BUF_strlcpy(buf,value,sizeof buf);
BUF_strlcat(buf,"\n",sizeof buf);
BIO_printf(bio_err,"%s\n",value);
}
else
@ -1531,8 +1530,8 @@ start:
{
if ((def == NULL) || (def[0] == '\0'))
return(1);
strcpy(buf,def);
strcat(buf,"\n");
BUF_strlcpy(buf,def,sizeof buf);
BUF_strlcat(buf,"\n",sizeof buf);
}
else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
@ -1566,9 +1565,8 @@ start:
(void)BIO_flush(bio_err);
if (value != NULL)
{
OPENSSL_assert(strlen(value) < sizeof buf-2);
strcpy(buf,value);
strcat(buf,"\n");
BUF_strlcpy(buf,value,sizeof buf);
BUF_strlcat(buf,"\n",sizeof buf);
BIO_printf(bio_err,"%s\n",value);
}
else
@ -1590,8 +1588,8 @@ start:
{
if ((def == NULL) || (def[0] == '\0'))
return(1);
strcpy(buf,def);
strcat(buf,"\n");
BUF_strlcpy(buf,def,sizeof buf);
BUF_strlcat(buf,"\n",sizeof buf);
}
else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);

View File

@ -429,7 +429,7 @@ redoit:
perror("OPENSSL_malloc");
return(0);
}
strcpy(*host,h1->h_name);
BUF_strlcpy(*host,h1->h_name,strlen(h1->h_name)+1);
h2=GetHostByName(*host);
if (h2 == NULL)

View File

@ -516,7 +516,7 @@ int MAIN(int argc, char **argv)
if (s_www_path != NULL)
{
sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
SSL_write(scon,buf,strlen(buf));
while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
bytes_read+=i;
@ -571,7 +571,7 @@ next:
if (s_www_path != NULL)
{
sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
SSL_write(scon,buf,strlen(buf));
while (SSL_read(scon,buf,sizeof(buf)) > 0)
;
@ -609,7 +609,7 @@ next:
if (s_www_path)
{
sprintf(buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
BIO_snprintf(buf,sizeof buf,"GET %s HTTP/1.0\r\n\r\n",s_www_path);
SSL_write(scon,buf,strlen(buf));
while ((i=SSL_read(scon,buf,sizeof(buf))) > 0)
bytes_read+=i;

View File

@ -1048,24 +1048,26 @@ static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create
char *buf = NULL, *p;
ASN1_INTEGER *bs = NULL;
BIGNUM *serial = NULL;
size_t len;
buf=OPENSSL_malloc( ((serialfile == NULL)
?(strlen(CAfile)+strlen(POSTFIX)+1)
:(strlen(serialfile)))+1);
len = ((serialfile == NULL)
?(strlen(CAfile)+strlen(POSTFIX)+1)
:(strlen(serialfile)))+1;
buf=OPENSSL_malloc(len);
if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
if (serialfile == NULL)
{
strcpy(buf,CAfile);
BUF_strlcpy(buf,CAfile,len);
for (p=buf; *p; p++)
if (*p == '.')
{
*p='\0';
break;
}
strcat(buf,POSTFIX);
BUF_strlcat(buf,POSTFIX,len);
}
else
strcpy(buf,serialfile);
BUF_strlcpy(buf,serialfile,len);
serial = load_serial(buf, create, NULL);
if (serial == NULL) goto end;

View File

@ -208,6 +208,7 @@ ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
char *p;
struct tm *ts;
struct tm data;
size_t len = 20;
if (s == NULL)
s=M_ASN1_GENERALIZEDTIME_new();
@ -219,17 +220,17 @@ ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
return(NULL);
p=(char *)s->data;
if ((p == NULL) || (s->length < 16))
if ((p == NULL) || (s->length < len))
{
p=OPENSSL_malloc(20);
p=OPENSSL_malloc(len);
if (p == NULL) return(NULL);
if (s->data != NULL)
OPENSSL_free(s->data);
s->data=(unsigned char *)p;
}
sprintf(p,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
BIO_snprintf(p,len,"%04d%02d%02d%02d%02d%02dZ",ts->tm_year + 1900,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
s->length=strlen(p);
s->type=V_ASN1_GENERALIZEDTIME;
#ifdef CHARSET_EBCDIC_not

View File

@ -145,14 +145,14 @@ int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
if((minsize > 0) && (nchar < minsize)) {
ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_STRING_TOO_SHORT);
sprintf(strbuf, "%ld", minsize);
BIO_snprintf(strbuf, sizeof strbuf, "%ld", minsize);
ERR_add_error_data(2, "minsize=", strbuf);
return -1;
}
if((maxsize > 0) && (nchar > maxsize)) {
ASN1err(ASN1_F_ASN1_MBSTRING_COPY, ASN1_R_STRING_TOO_LONG);
sprintf(strbuf, "%ld", maxsize);
BIO_snprintf(strbuf, sizeof strbuf, "%ld", maxsize);
ERR_add_error_data(2, "maxsize=", strbuf);
return -1;
}

View File

@ -128,6 +128,7 @@ ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZE
{
ASN1_GENERALIZEDTIME *ret;
char *str;
int newlen;
if (!ASN1_TIME_check(t)) return NULL;
@ -150,12 +151,14 @@ ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZE
/* grow the string */
if (!ASN1_STRING_set(ret, NULL, t->length + 2))
return NULL;
/* ASN1_STRING_set() allocated 'len + 1' bytes. */
newlen = t->length + 2 + 1;
str = (char *)ret->data;
/* Work out the century and prepend */
if (t->data[0] >= '5') strcpy(str, "19");
else strcpy(str, "20");
if (t->data[0] >= '5') BUF_strlcpy(str, "19", newlen);
else BUF_strlcpy(str, "20", newlen);
BUF_strlcat(str, (char *)t->data, t->length+3); /* Include space for a '\0' */
BUF_strlcat(str, (char *)t->data, newlen);
return ret;
}

View File

@ -188,6 +188,7 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
char *p;
struct tm *ts;
struct tm data;
size_t len = 20;
if (s == NULL)
s=M_ASN1_UTCTIME_new();
@ -199,17 +200,17 @@ ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
return(NULL);
p=(char *)s->data;
if ((p == NULL) || (s->length < 14))
if ((p == NULL) || (s->length < len))
{
p=OPENSSL_malloc(20);
p=OPENSSL_malloc(len);
if (p == NULL) return(NULL);
if (s->data != NULL)
OPENSSL_free(s->data);
s->data=(unsigned char *)p;
}
sprintf(p,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
BIO_snprintf(p,len,"%02d%02d%02d%02d%02d%02dZ",ts->tm_year%100,
ts->tm_mon+1,ts->tm_mday,ts->tm_hour,ts->tm_min,ts->tm_sec);
s->length=strlen(p);
s->type=V_ASN1_UTCTIME;
#ifdef CHARSET_EBCDIC_not

View File

@ -423,8 +423,8 @@ void asn1_add_error(unsigned char *address, int offset)
{
char buf1[DECIMAL_SIZE(address)+1],buf2[DECIMAL_SIZE(offset)+1];
sprintf(buf1,"%lu",(unsigned long)address);
sprintf(buf2,"%d",offset);
BIO_snprintf(buf1,sizeof buf1,"%lu",(unsigned long)address);
BIO_snprintf(buf2,sizeof buf2,"%d",offset);
ERR_add_error_data(4,"address=",buf1," offset=",buf2);
}

View File

@ -83,11 +83,11 @@ static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed,
p=str;
if ((xclass & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
sprintf(str,"priv [ %d ] ",tag);
BIO_snprintf(str,sizeof str,"priv [ %d ] ",tag);
else if ((xclass & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
sprintf(str,"cont [ %d ]",tag);
BIO_snprintf(str,sizeof str,"cont [ %d ]",tag);
else if ((xclass & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
sprintf(str,"appl [ %d ]",tag);
BIO_snprintf(str,sizeof str,"appl [ %d ]",tag);
else p = ASN1_tag2str(tag);
if (p2 != NULL)

View File

@ -150,9 +150,9 @@ int RSA_print(BIO *bp, const RSA *x, int off)
}
if (x->d == NULL)
sprintf(str,"Modulus (%d bit):",BN_num_bits(x->n));
BIO_snprintf(str,sizeof str,"Modulus (%d bit):",BN_num_bits(x->n));
else
strcpy(str,"modulus:");
BUF_strlcpy(str,"modulus:",sizeof str);
if (!print(bp,str,x->n,m,off)) goto err;
s=(x->d == NULL)?"Exponent:":"publicExponent:";
if (!print(bp,s,x->e,m,off)) goto err;

View File

@ -104,7 +104,12 @@ static int long_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const A
long ltmp;
unsigned long utmp;
int clen, pad, i;
ltmp = *(long *)pval;
/* this exists to bypass broken gcc optimization */
char *cp = (char *)pval;
/* use memcpy, because we may not be long aligned */
memcpy(&ltmp, cp, sizeof(long));
if(ltmp == it->size) return -1;
/* Convert the long to positive: we subtract one if negative so
* we can cleanly handle the padding if only the MSB of the leading
@ -136,6 +141,7 @@ static int long_c2i(ASN1_VALUE **pval, unsigned char *cont, int len, int utype,
int neg, i;
long ltmp;
unsigned long utmp = 0;
char *cp = (char *)pval;
if(len > (int)sizeof(long)) {
ASN1err(ASN1_F_LONG_C2I, ASN1_R_INTEGER_TOO_LARGE_FOR_LONG);
return 0;
@ -158,6 +164,6 @@ static int long_c2i(ASN1_VALUE **pval, unsigned char *cont, int len, int utype,
ASN1err(ASN1_F_LONG_C2I, ASN1_R_INTEGER_TOO_LARGE_FOR_LONG);
return 0;
}
*(long *)pval = ltmp;
memcpy(cp, &ltmp, sizeof(long));
return 1;
}

View File

@ -104,38 +104,41 @@ int BIO_dump_indent(BIO *bio, const char *s, int len, int indent)
for(i=0;i<rows;i++)
{
buf[0]='\0'; /* start with empty string */
strcpy(buf,str);
sprintf(tmp,"%04x - ",i*dump_width);
strcat(buf,tmp);
BUF_strlcpy(buf,str,sizeof buf);
BIO_snprintf(tmp,sizeof tmp,"%04x - ",i*dump_width);
BUF_strlcat(buf,tmp,sizeof buf);
for(j=0;j<dump_width;j++)
{
if (((i*dump_width)+j)>=len)
{
strcat(buf," ");
BUF_strlcat(buf," ",sizeof buf);
}
else
{
ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
sprintf(tmp,"%02x%c",ch,j==7?'-':' ');
strcat(buf,tmp);
BIO_snprintf(tmp,sizeof tmp,"%02x%c",ch,
j==7?'-':' ');
BUF_strlcat(buf,tmp,sizeof buf);
}
}
strcat(buf," ");
BUF_strlcat(buf," ",sizeof buf);
for(j=0;j<dump_width;j++)
{
if (((i*dump_width)+j)>=len)
break;
ch=((unsigned char)*(s+i*dump_width+j)) & 0xff;
#ifndef CHARSET_EBCDIC
sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.');
BIO_snprintf(tmp,sizeof tmp,"%c",
((ch>=' ')&&(ch<='~'))?ch:'.');
#else
sprintf(tmp,"%c",((ch>=os_toascii[' '])&&(ch<=os_toascii['~']))
? os_toebcdic[ch]
: '.');
BIO_snprintf(tmp,sizeof tmp,"%c",
((ch>=os_toascii[' '])&&(ch<=os_toascii['~']))
? os_toebcdic[ch]
: '.');
#endif
strcat(buf,tmp);
BUF_strlcat(buf,tmp,sizeof buf);
}
strcat(buf,"\n");
BUF_strlcat(buf,"\n",sizeof buf);
/* if this is the last call then update the ddt_dump thing so that
* we will move the selection point in the debug window
*/
@ -144,7 +147,8 @@ int BIO_dump_indent(BIO *bio, const char *s, int len, int indent)
#ifdef TRUNCATE
if (trc > 0)
{
sprintf(buf,"%s%04x - <SPACES/NULS>\n",str,len+trc);
BIO_snprintf(buf,sizeof buf,"%s%04x - <SPACES/NULS>\n",str,
len+trc);
ret+=BIO_write(bio,(char *)buf,strlen(buf));
}
#endif

View File

@ -740,12 +740,12 @@ int BIO_accept(int sock, char **addr)
}
*addr=p;
}
sprintf(*addr,"%d.%d.%d.%d:%d",
(unsigned char)(l>>24L)&0xff,
(unsigned char)(l>>16L)&0xff,
(unsigned char)(l>> 8L)&0xff,
(unsigned char)(l )&0xff,
port);
BIO_snprintf(*addr,24,"%d.%d.%d.%d:%d",
(unsigned char)(l>>24L)&0xff,
(unsigned char)(l>>16L)&0xff,
(unsigned char)(l>> 8L)&0xff,
(unsigned char)(l )&0xff,
port);
end:
return(ret);
}

View File

@ -70,55 +70,61 @@ long MS_CALLBACK BIO_debug_callback(BIO *bio, int cmd, const char *argp,
MS_STATIC char buf[256];
char *p;
long r=1;
size_t p_maxlen;
if (BIO_CB_RETURN & cmd)
r=ret;
sprintf(buf,"BIO[%08lX]:",(unsigned long)bio);
BIO_snprintf(buf,sizeof buf,"BIO[%08lX]:",(unsigned long)bio);
p= &(buf[14]);
p_maxlen = sizeof buf - 14;
switch (cmd)
{
case BIO_CB_FREE:
sprintf(p,"Free - %s\n",bio->method->name);
BIO_snprintf(p,p_maxlen,"Free - %s\n",bio->method->name);
break;
case BIO_CB_READ:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
sprintf(p,"read(%d,%d) - %s fd=%d\n",bio->num,argi,bio->method->name,bio->num);
BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s fd=%d\n",
bio->num,argi,bio->method->name,bio->num);
else
sprintf(p,"read(%d,%d) - %s\n",bio->num,argi,bio->method->name);
BIO_snprintf(p,p_maxlen,"read(%d,%d) - %s\n",
bio->num,argi,bio->method->name);
break;
case BIO_CB_WRITE:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
sprintf(p,"write(%d,%d) - %s fd=%d\n",bio->num,argi,bio->method->name,bio->num);
BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s fd=%d\n",
bio->num,argi,bio->method->name,bio->num);
else
sprintf(p,"write(%d,%d) - %s\n",bio->num,argi,bio->method->name);
BIO_snprintf(p,p_maxlen,"write(%d,%d) - %s\n",
bio->num,argi,bio->method->name);
break;
case BIO_CB_PUTS:
sprintf(p,"puts() - %s\n",bio->method->name);
BIO_snprintf(p,p_maxlen,"puts() - %s\n",bio->method->name);
break;
case BIO_CB_GETS:
sprintf(p,"gets(%d) - %s\n",argi,bio->method->name);
BIO_snprintf(p,p_maxlen,"gets(%d) - %s\n",argi,bio->method->name);
break;
case BIO_CB_CTRL:
sprintf(p,"ctrl(%d) - %s\n",argi,bio->method->name);
BIO_snprintf(p,p_maxlen,"ctrl(%d) - %s\n",argi,bio->method->name);
break;
case BIO_CB_RETURN|BIO_CB_READ:
sprintf(p,"read return %ld\n",ret);
BIO_snprintf(p,p_maxlen,"read return %ld\n",ret);
break;
case BIO_CB_RETURN|BIO_CB_WRITE:
sprintf(p,"write return %ld\n",ret);
BIO_snprintf(p,p_maxlen,"write return %ld\n",ret);
break;
case BIO_CB_RETURN|BIO_CB_GETS:
sprintf(p,"gets return %ld\n",ret);
BIO_snprintf(p,p_maxlen,"gets return %ld\n",ret);
break;
case BIO_CB_RETURN|BIO_CB_PUTS:
sprintf(p,"puts return %ld\n",ret);
BIO_snprintf(p,p_maxlen,"puts return %ld\n",ret);
break;
case BIO_CB_RETURN|BIO_CB_CTRL:
sprintf(p,"ctrl return %ld\n",ret);
BIO_snprintf(p,p_maxlen,"ctrl return %ld\n",ret);
break;
default:
sprintf(p,"bio callback - unknown type (%d)\n",cmd);
BIO_snprintf(p,p_maxlen,"bio callback - unknown type (%d)\n",cmd);
break;
}

View File

@ -521,8 +521,8 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
char buf[16];
unsigned char *p = ptr;
sprintf(buf,"%d.%d.%d.%d",
p[0],p[1],p[2],p[3]);
BIO_snprintf(buf,sizeof buf,"%d.%d.%d.%d",
p[0],p[1],p[2],p[3]);
if (data->param_hostname != NULL)
OPENSSL_free(data->param_hostname);
data->param_hostname=BUF_strdup(buf);
@ -532,7 +532,7 @@ static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
{
char buf[DECIMAL_SIZE(int)+1];
sprintf(buf,"%d",*(int *)ptr);
BIO_snprintf(buf,sizeof buf,"%d",*(int *)ptr);
if (data->param_port != NULL)
OPENSSL_free(data->param_port);
data->param_port=BUF_strdup(buf);

View File

@ -256,15 +256,15 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
if (num & BIO_FP_APPEND)
{
if (num & BIO_FP_READ)
strcpy(p,"a+");
else strcpy(p,"a");
BUF_strlcpy(p,"a+",sizeof p);
else BUF_strlcpy(p,"a",sizeof p);
}
else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
strcpy(p,"r+");
BUF_strlcpy(p,"r+",sizeof p);
else if (num & BIO_FP_WRITE)
strcpy(p,"w");
BUF_strlcpy(p,"w",sizeof p);
else if (num & BIO_FP_READ)
strcpy(p,"r");
BUF_strlcpy(p,"r",sizeof p);
else
{
BIOerr(BIO_F_FILE_CTRL,BIO_R_BAD_FOPEN_MODE);

View File

@ -145,11 +145,11 @@ char *BN_options(void)
{
init++;
#ifdef BN_LLONG
sprintf(data,"bn(%d,%d)",(int)sizeof(BN_ULLONG)*8,
(int)sizeof(BN_ULONG)*8);
BIO_snprintf(data,sizeof data,"bn(%d,%d)",
(int)sizeof(BN_ULLONG)*8,(int)sizeof(BN_ULONG)*8);
#else
sprintf(data,"bn(%d,%d)",(int)sizeof(BN_ULONG)*8,
(int)sizeof(BN_ULONG)*8);
BIO_snprintf(data,sizeof data,"bn(%d,%d)",
(int)sizeof(BN_ULONG)*8,(int)sizeof(BN_ULONG)*8);
#endif
}
return(data);

View File

@ -119,6 +119,7 @@ char *BN_bn2dec(const BIGNUM *a)
}
if ((t=BN_dup(a)) == NULL) goto err;
#define BUF_REMAIN (num+3 - (size_t)(p - buf))
p=buf;
lp=bn_data;
if (t->neg) *(p++)='-';
@ -139,12 +140,12 @@ char *BN_bn2dec(const BIGNUM *a)
/* We now have a series of blocks, BN_DEC_NUM chars
* in length, where the last one needs truncation.
* The blocks need to be reversed in order. */
sprintf(p,BN_DEC_FMT1,*lp);
BIO_snprintf(p,BUF_REMAIN,BN_DEC_FMT1,*lp);
while (*p) p++;
while (lp != bn_data)
{
lp--;
sprintf(p,BN_DEC_FMT2,*lp);
BIO_snprintf(p,BUF_REMAIN,BN_DEC_FMT2,*lp);
while (*p) p++;
}
}

View File

@ -235,7 +235,7 @@ static int def_load_bio(CONF *conf, BIO *in, long *line)
CONFerr(CONF_F_CONF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
goto err;
}
strcpy(section,"default");
BUF_strlcpy(section,"default",10);
if (_CONF_new_data(conf) == 0)
{
@ -392,7 +392,7 @@ again:
ERR_R_MALLOC_FAILURE);
goto err;
}
strcpy(v->name,pname);
BUF_strlcpy(v->name,pname,strlen(pname)+1);
if (!str_copy(conf,psection,&(v->value),start)) goto err;
if (strcmp(psection,section) != 0)
@ -447,7 +447,7 @@ err:
if (buff != NULL) BUF_MEM_free(buff);
if (section != NULL) OPENSSL_free(section);
if (line != NULL) *line=eline;
sprintf(btmp,"%ld",eline);
BIO_snprintf(btmp,sizeof btmp,"%ld",eline);
ERR_add_error_data(2,"line ",btmp);
if ((h != conf->data) && (conf->data != NULL))
{

View File

@ -232,7 +232,7 @@ static int module_run(const CONF *cnf, char *name, char *value,
{
char rcode[DECIMAL_SIZE(ret)+1];
CONFerr(CONF_F_CONF_MODULES_LOAD, CONF_R_MODULE_INITIALIZATION_ERROR);
sprintf(rcode, "%-8d", ret);
BIO_snprintf(rcode, sizeof rcode, "%-8d", ret);
ERR_add_error_data(6, "module=", name, ", value=", value, ", retcode=", rcode);
}
}
@ -561,11 +561,11 @@ char *CONF_get1_default_config_file(void)
if (!file)
return NULL;
strcpy(file,X509_get_default_cert_area());
BUF_strlcpy(file,X509_get_default_cert_area(),len + 1);
#ifndef OPENSSL_SYS_VMS
strcat(file,"/");
BUF_strlcat(file,"/",len + 1);
#endif
strcat(file,OPENSSL_CONF);
BUF_strlcat(file,OPENSSL_CONF,len + 1);
return file;
}

View File

@ -61,7 +61,9 @@
#include "cryptlib.h"
#include <openssl/crypto.h>
#ifndef NO_WINDOWS_BRAINDEATH
#include "buildinf.h"
#endif
const char *SSLeay_version(int t)
{
@ -72,7 +74,7 @@ const char *SSLeay_version(int t)
#ifdef DATE
static char buf[sizeof(DATE)+11];
sprintf(buf,"built on: %s",DATE);
BIO_snprintf(buf,sizeof buf,"built on: %s",DATE);
return(buf);
#else
return("built on: date not available");
@ -83,7 +85,7 @@ const char *SSLeay_version(int t)
#ifdef CFLAGS
static char buf[sizeof(CFLAGS)+11];
sprintf(buf,"compiler: %s",CFLAGS);
BIO_snprintf(buf,sizeof buf,"compiler: %s",CFLAGS);
return(buf);
#else
return("compiler: information not available");
@ -94,7 +96,7 @@ const char *SSLeay_version(int t)
#ifdef PLATFORM
static char buf[sizeof(PLATFORM)+11];
sprintf(buf,"platform: %s", PLATFORM);
BIO_snprintf(buf,sizeof buf,"platform: %s", PLATFORM);
return(buf);
#else
return("platform: information not available");

View File

@ -60,6 +60,7 @@
#include "des_ver.h"
#include "spr.h"
#include <openssl/opensslv.h>
#include <openssl/bio.h>
OPENSSL_GLOBAL const char *libdes_version="libdes" OPENSSL_VERSION_PTEXT;
OPENSSL_GLOBAL const char *DES_version="DES" OPENSSL_VERSION_PTEXT;
@ -97,7 +98,8 @@ const char *DES_options(void)
size="int";
else
size="long";
sprintf(buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,size);
BIO_snprintf(buf,sizeof buf,"des(%s,%s,%s,%s)",ptr,risc,unroll,
size);
init=0;
}
return(buf);

View File

@ -383,7 +383,7 @@ int DSO_set_filename(DSO *dso, const char *filename)
DSOerr(DSO_F_DSO_SET_FILENAME,ERR_R_MALLOC_FAILURE);
return(0);
}
strcpy(copied, filename);
BUF_strlcpy(copied, filename, strlen(filename) + 1);
if(dso->filename)
OPENSSL_free(dso->filename);
dso->filename = copied;
@ -449,7 +449,7 @@ char *DSO_convert_filename(DSO *dso, const char *filename)
ERR_R_MALLOC_FAILURE);
return(NULL);
}
strcpy(result, filename);
BUF_strlcpy(result, filename, strlen(filename) + 1);
}
return(result);
}

View File

@ -160,15 +160,19 @@ static int int_ctrl_helper(ENGINE *e, int cmd, long i, void *p, void (*f)())
case ENGINE_CTRL_GET_NAME_LEN_FROM_CMD:
return strlen(e->cmd_defns[idx].cmd_name);
case ENGINE_CTRL_GET_NAME_FROM_CMD:
return sprintf(s, "%s", e->cmd_defns[idx].cmd_name);
return BIO_snprintf(s,strlen(e->cmd_defns[idx].cmd_name) + 1,
"%s", e->cmd_defns[idx].cmd_name);
case ENGINE_CTRL_GET_DESC_LEN_FROM_CMD:
if(e->cmd_defns[idx].cmd_desc)
return strlen(e->cmd_defns[idx].cmd_desc);
return strlen(int_no_description);
case ENGINE_CTRL_GET_DESC_FROM_CMD:
if(e->cmd_defns[idx].cmd_desc)
return sprintf(s, "%s", e->cmd_defns[idx].cmd_desc);
return sprintf(s, "%s", int_no_description);
return BIO_snprintf(s,
strlen(e->cmd_defns[idx].cmd_desc) + 1,
"%s", e->cmd_defns[idx].cmd_desc);
return BIO_snprintf(s, strlen(int_no_description) + 1,"%s",
int_no_description);
case ENGINE_CTRL_GET_CMD_FLAGS:
return e->cmd_defns[idx].cmd_flags;
}

View File

@ -1075,7 +1075,7 @@ void ERR_add_error_data(int num, ...)
else
str=p;
}
strcat(str,a);
BUF_strlcat(str,a,s+1);
}
}
ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);

View File

@ -87,7 +87,7 @@ int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
if (i == -1) {
char obj_tmp[80];
EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
if (!pbe_obj) strcpy (obj_tmp, "NULL");
if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
ERR_add_error_data(2, "TYPE=", obj_tmp);
return 0;

View File

@ -313,7 +313,7 @@ ecerr:
#endif
default:
EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
if (!a->algorithm) strcpy (obj_tmp, "NULL");
if (!a->algorithm) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);
ERR_add_error_data(2, "TYPE=", obj_tmp);
EVP_PKEY_free (pkey);

View File

@ -597,6 +597,8 @@ static void print_leak(const MEM *m, MEM_LEAK *l)
struct tm *lcl = NULL;
unsigned long ti;
#define BUF_REMAIN (sizeof buf - (size_t)(bufp - buf))
if(m->addr == (char *)l->bio)
return;
@ -604,22 +606,22 @@ static void print_leak(const MEM *m, MEM_LEAK *l)
{
lcl = localtime(&m->time);
sprintf(bufp, "[%02d:%02d:%02d] ",
BIO_snprintf(bufp, BUF_REMAIN, "[%02d:%02d:%02d] ",
lcl->tm_hour,lcl->tm_min,lcl->tm_sec);
bufp += strlen(bufp);
}
sprintf(bufp, "%5lu file=%s, line=%d, ",
BIO_snprintf(bufp, BUF_REMAIN, "%5lu file=%s, line=%d, ",
m->order,m->file,m->line);
bufp += strlen(bufp);
if (options & V_CRYPTO_MDEBUG_THREAD)
{
sprintf(bufp, "thread=%lu, ", m->thread);
BIO_snprintf(bufp, BUF_REMAIN, "thread=%lu, ", m->thread);
bufp += strlen(bufp);
}
sprintf(bufp, "number=%d, address=%08lX\n",
BIO_snprintf(bufp, BUF_REMAIN, "number=%d, address=%08lX\n",
m->num,(unsigned long)m->addr);
bufp += strlen(bufp);
@ -641,7 +643,7 @@ static void print_leak(const MEM *m, MEM_LEAK *l)
ami_cnt++;
memset(buf,'>',ami_cnt);
sprintf(buf + ami_cnt,
BIO_snprintf(buf + ami_cnt, sizeof buf - ami_cnt,
" thread=%lu, file=%s, line=%d, info=\"",
amip->thread, amip->file, amip->line);
buf_len=strlen(buf);
@ -653,10 +655,11 @@ static void print_leak(const MEM *m, MEM_LEAK *l)
}
else
{
strcpy(buf + buf_len, amip->info);
BUF_strlcpy(buf + buf_len, amip->info,
sizeof buf - buf_len);
buf_len = strlen(buf);
}
sprintf(buf + buf_len, "\"\n");
BIO_snprintf(buf + buf_len, sizeof buf - buf_len, "\"\n");
BIO_puts(l->bio,buf);

View File

@ -462,7 +462,7 @@ int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
if (i > 2) i=2;
l-=(long)(i*40);
sprintf(tbuf,"%d.%lu",i,l);
BIO_snprintf(tbuf,sizeof tbuf,"%d.%lu",i,l);
i=strlen(tbuf);
BUF_strlcpy(buf,tbuf,buf_len);
buf_len-=i;
@ -473,7 +473,7 @@ int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
for (; idx<len; idx++) {
l|=p[idx]&0x7f;
if (!(p[idx] & 0x80)) {
sprintf(tbuf,".%lu",l);
BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
i=strlen(tbuf);
if (buf_len > 0)
BUF_strlcpy(buf,tbuf,buf_len);

View File

@ -131,9 +131,9 @@ void PEM_proc_type(char *buf, int type)
else
str="BAD-TYPE";
strcat(buf,"Proc-Type: 4,");
strcat(buf,str);
strcat(buf,"\n");
BUF_strlcat(buf,"Proc-Type: 4,",PEM_BUFSIZE);
BUF_strlcat(buf,str,PEM_BUFSIZE);
BUF_strlcat(buf,"\n",PEM_BUFSIZE);
}
void PEM_dek_info(char *buf, const char *type, int len, char *str)
@ -142,10 +142,12 @@ void PEM_dek_info(char *buf, const char *type, int len, char *str)
long i;
int j;
strcat(buf,"DEK-Info: ");
strcat(buf,type);
strcat(buf,",");
BUF_strlcat(buf,"DEK-Info: ",PEM_BUFSIZE);
BUF_strlcat(buf,type,PEM_BUFSIZE);
BUF_strlcat(buf,",",PEM_BUFSIZE);
j=strlen(buf);
if (j + (len * 2) + 1 > PEM_BUFSIZE)
return;
for (i=0; i<len; i++)
{
buf[j+i*2] =map[(str[i]>>4)&0x0f];

View File

@ -56,6 +56,7 @@
#include <openssl/e_os2.h>
#include <openssl/rand.h>
#include <openssl/buffer.h>
/*
* Query the EGD <URL: http://www.lothar.com/tech/crypto/>.
@ -145,7 +146,7 @@ int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes)
addr.sun_family = AF_UNIX;
if (strlen(path) >= sizeof(addr.sun_path))
return (-1);
strcpy(addr.sun_path,path);
BUF_strlcpy(addr.sun_path,path,sizeof addr.sun_path);
len = offsetof(struct sockaddr_un, sun_path) + strlen(path);
fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1) return (-1);

View File

@ -430,14 +430,14 @@ char *UI_construct_prompt(UI *ui, const char *object_desc,
len += sizeof(prompt3) - 1;
prompt = (char *)OPENSSL_malloc(len + 1);
strcpy(prompt, prompt1);
strcat(prompt, object_desc);
BUF_strlcpy(prompt, prompt1, len + 1);
BUF_strlcat(prompt, object_desc, len + 1);
if (object_name)
{
strcat(prompt, prompt2);
strcat(prompt, object_name);
BUF_strlcat(prompt, prompt2, len + 1);
BUF_strlcat(prompt, object_name, len + 1);
}
strcat(prompt, prompt3);
BUF_strlcat(prompt, prompt3, len + 1);
}
return prompt;
}
@ -865,7 +865,8 @@ int UI_set_result(UI *ui, UI_STRING *uis, const char *result)
return -1;
}
strcpy(uis->result_buf, result);
BUF_strlcpy(uis->result_buf, result,
uis->_.string_data.result_maxsize + 1);
break;
case UIT_BOOLEAN:
{

View File

@ -302,8 +302,9 @@ static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
k=0;
for (;;)
{
sprintf(b->data,"%s/%08lx.%s%d",ctx->dirs[i],h,
postfix,k);
BIO_snprintf(b->data,b->max,
"%s/%08lx.%s%d",ctx->dirs[i],h,
postfix,k);
k++;
if (stat(b->data,&st) < 0)
break;

View File

@ -148,7 +148,7 @@ const char *X509_verify_cert_error_string(long n)
return("unhandled critical extension");
default:
sprintf(buf,"error number %ld",n);
BIO_snprintf(buf,sizeof buf,"error number %ld",n);
return(buf);
}
}

View File

@ -137,13 +137,15 @@ STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method,
case GEN_IPADD:
p = gen->d.ip->data;
if(gen->d.ip->length == 4)
sprintf(oline, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
BIO_snprintf(oline, sizeof oline,
"%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
else if(gen->d.ip->length == 16)
{
oline[0] = 0;
for (i = 0; i < 8; i++)
{
sprintf(htmp, "%X", p[0] << 8 | p[1]);
BIO_snprintf(htmp, sizeof htmp,
"%X", p[0] << 8 | p[1]);
p += 2;
strcat(oline, htmp);
if (i != 7)

View File

@ -105,7 +105,7 @@ static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method
STACK_OF(CONF_VALUE) *ret)
{
ACCESS_DESCRIPTION *desc;
int i;
int i,nlen;
char objtmp[80], *ntmp;
CONF_VALUE *vtmp;
for(i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
@ -114,15 +114,16 @@ static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(X509V3_EXT_METHOD *method
if(!ret) break;
vtmp = sk_CONF_VALUE_value(ret, i);
i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
ntmp = OPENSSL_malloc(strlen(objtmp) + strlen(vtmp->name) + 5);
nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
ntmp = OPENSSL_malloc(nlen);
if(!ntmp) {
X509V3err(X509V3_F_I2V_AUTHORITY_INFO_ACCESS,
ERR_R_MALLOC_FAILURE);
return NULL;
}
strcpy(ntmp, objtmp);
strcat(ntmp, " - ");
strcat(ntmp, vtmp->name);
BUF_strlcpy(ntmp, objtmp, nlen);
BUF_strlcat(ntmp, " - ", nlen);
BUF_strlcat(ntmp, vtmp->name, nlen);
OPENSSL_free(vtmp->name);
vtmp->name = ntmp;