diff options
author | Richard Levitte <levitte@openssl.org> | 2003-12-27 14:40:17 +0000 |
---|---|---|
committer | Richard Levitte <levitte@openssl.org> | 2003-12-27 14:40:17 +0000 |
commit | d420ac2c7d4ba9d99ff2c257a3ad71ecc6d876e2 (patch) | |
tree | 84414c7d794c6286588d2042f060036378311348 | |
parent | b79aa47a0c8478bea62fc2bb55f99e0be172da3d (diff) |
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>
43 files changed, 233 insertions, 182 deletions
diff --git a/apps/apps.c b/apps/apps.c index 6e72f1183d..47b59b4545 100644 --- a/apps/apps.c +++ b/apps/apps.c @@ -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; } @@ -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; diff --git a/apps/dgst.c b/apps/dgst.c index 47d1309b14..be25dafef7 100644 --- a/apps/dgst.c +++ b/apps/dgst.c @@ -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=""; diff --git a/apps/enc.c b/apps/enc.c index ae18452e86..69f4bebcb9 100644 --- a/apps/enc.c +++ b/apps/enc.c @@ -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) diff --git a/apps/engine.c b/apps/engine.c index feee965325..b951254612 100644 --- a/apps/engine.c +++ b/apps/engine.c @@ -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; } diff --git a/apps/pkcs12.c b/apps/pkcs12.c index 385011b457..cbd933667b 100644 --- a/apps/pkcs12.c +++ b/apps/pkcs12.c @@ -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) { diff --git a/apps/req.c b/apps/req.c index c5becc9d4d..c4594c490c 100644 --- a/apps/req.c +++ b/apps/req.c @@ -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); diff --git a/apps/s_socket.c b/apps/s_socket.c index ff8c282a1e..28c6b1e27a 100644 --- a/apps/s_socket.c +++ b/apps/s_socket.c @@ -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) diff --git a/apps/s_time.c b/apps/s_time.c index 1134020d2a..904945e1a8 100644 --- a/apps/s_time.c +++ b/apps/s_time.c @@ -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; diff --git a/apps/x509.c b/apps/x509.c index 036e255054..d30fbbe1e5 100644 --- a/apps/x509.c +++ b/apps/x509.c @@ -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; diff --git a/crypto/asn1/a_gentm.c b/crypto/asn1/a_gentm.c index cd09f68b38..1aba86d0db 100644 --- a/crypto/asn1/a_gentm.c +++ b/crypto/asn1/a_gentm.c @@ -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 diff --git a/crypto/asn1/a_mbstr.c b/crypto/asn1/a_mbstr.c index e8a26af521..208b3ec395 100644 --- a/crypto/asn1/a_mbstr.c +++ b/crypto/asn1/a_mbstr.c @@ -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; } diff --git a/crypto/asn1/a_time.c b/crypto/asn1/a_time.c index 7348da9457..159681fbcb 100644 --- a/crypto/asn1/a_time.c +++ b/crypto/asn1/a_time.c @@ -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; } diff --git a/crypto/asn1/a_utctm.c b/crypto/asn1/a_utctm.c index dbb4a42c9d..6bc609a905 100644 --- a/crypto/asn1/a_utctm.c +++ b/crypto/asn1/a_utctm.c @@ -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 diff --git a/crypto/asn1/asn1_lib.c b/crypto/asn1/asn1_lib.c index 1905b090ed..b720bccac7 100644 --- a/crypto/asn1/asn1_lib.c +++ b/crypto/asn1/asn1_lib.c @@ -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); } diff --git a/crypto/asn1/asn1_par.c b/crypto/asn1/asn1_par.c index d64edbd797..bd8de1e8d4 100644 --- a/crypto/asn1/asn1_par.c +++ b/crypto/asn1/asn1_par.c @@ -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) diff --git a/crypto/asn1/t_pkey.c b/crypto/asn1/t_pkey.c index 06e85f3b4c..86bd2e04e4 100644 --- a/crypto/asn1/t_pkey.c +++ b/crypto/asn1/t_pkey.c @@ -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; diff --git a/crypto/asn1/x_long.c b/crypto/asn1/x_long.c index 954d183975..4b5953c0fd 100644 --- a/crypto/asn1/x_long.c +++ b/crypto/asn1/x_long.c @@ -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(<mp, 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, <mp, sizeof(long)); return 1; } diff --git a/crypto/bio/b_dump.c b/crypto/bio/b_dump.c index 0f61768360..76fee2db4f 100644 --- a/crypto/bio/b_dump.c +++ b/crypto/bio/b_dump.c @@ -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 |