michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * certhtml.c --- convert a cert to html
michael@0:  */
michael@0: 
michael@0: #include "seccomon.h"
michael@0: #include "secitem.h"
michael@0: #include "sechash.h"
michael@0: #include "cert.h"
michael@0: #include "keyhi.h"
michael@0: #include "secder.h"
michael@0: #include "prprf.h"
michael@0: #include "secport.h"
michael@0: #include "secasn1.h"
michael@0: #include "pk11func.h"
michael@0: 
michael@0: static char *hex = "0123456789ABCDEF";
michael@0: 
michael@0: /*
michael@0: ** Convert a der-encoded integer to a hex printable string form
michael@0: */
michael@0: char *CERT_Hexify (SECItem *i, int do_colon)
michael@0: {
michael@0:     unsigned char *cp, *end;
michael@0:     char *rv, *o;
michael@0: 
michael@0:     if (!i->len) {
michael@0: 	return PORT_Strdup("00");
michael@0:     }
michael@0: 
michael@0:     rv = o = (char*) PORT_Alloc(i->len * 3);
michael@0:     if (!rv) return rv;
michael@0: 
michael@0:     cp = i->data;
michael@0:     end = cp + i->len;
michael@0:     while (cp < end) {
michael@0: 	unsigned char ch = *cp++;
michael@0: 	*o++ = hex[(ch >> 4) & 0xf];
michael@0: 	*o++ = hex[ch & 0xf];
michael@0: 	if (cp != end) {
michael@0: 	    if (do_colon) {
michael@0: 		*o++ = ':';
michael@0: 	    }
michael@0: 	} 
michael@0:     }
michael@0:     *o = 0;           /* Null terminate the string */
michael@0:     return rv;
michael@0: }
michael@0: 
michael@0: #define BREAK "<br>"
michael@0: #define BREAKLEN 4
michael@0: #define COMMA ", "
michael@0: #define COMMALEN 2
michael@0: 
michael@0: #define MAX_OUS 20
michael@0: #define MAX_DC MAX_OUS
michael@0: 
michael@0: 
michael@0: char *CERT_FormatName (CERTName *name)
michael@0: {
michael@0:     CERTRDN** rdns;
michael@0:     CERTRDN * rdn;
michael@0:     CERTAVA** avas;
michael@0:     CERTAVA*  ava;
michael@0:     char *    buf	= 0;
michael@0:     char *    tmpbuf	= 0;
michael@0:     SECItem * cn	= 0;
michael@0:     SECItem * email	= 0;
michael@0:     SECItem * org	= 0;
michael@0:     SECItem * loc	= 0;
michael@0:     SECItem * state	= 0;
michael@0:     SECItem * country	= 0;
michael@0:     SECItem * dq     	= 0;
michael@0: 
michael@0:     unsigned  len 	= 0;
michael@0:     int       tag;
michael@0:     int       i;
michael@0:     int       ou_count = 0;
michael@0:     int       dc_count = 0;
michael@0:     PRBool    first;
michael@0:     SECItem * orgunit[MAX_OUS];
michael@0:     SECItem * dc[MAX_DC];
michael@0: 
michael@0:     /* Loop over name components and gather the interesting ones */
michael@0:     rdns = name->rdns;
michael@0:     while ((rdn = *rdns++) != 0) {
michael@0: 	avas = rdn->avas;
michael@0: 	while ((ava = *avas++) != 0) {
michael@0: 	    tag = CERT_GetAVATag(ava);
michael@0: 	    switch(tag) {
michael@0: 	      case SEC_OID_AVA_COMMON_NAME:
michael@0: 		if (cn) {
michael@0: 			break;
michael@0: 		}
michael@0: 		cn = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!cn) {
michael@0:  			goto loser;
michael@0: 		}
michael@0: 		len += cn->len;
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_COUNTRY_NAME:
michael@0: 		if (country) {
michael@0: 			break;
michael@0: 		}
michael@0: 		country = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!country) {
michael@0:  			goto loser;
michael@0: 		}
michael@0: 		len += country->len;
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_LOCALITY:
michael@0: 		if (loc) {
michael@0: 			break;
michael@0: 		}
michael@0: 		loc = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!loc) {
michael@0:  			goto loser;
michael@0: 		}
michael@0: 		len += loc->len;
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_STATE_OR_PROVINCE:
michael@0: 		if (state) {
michael@0: 			break;
michael@0: 		}
michael@0: 		state = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!state) {
michael@0:  			goto loser;
michael@0: 		}
michael@0: 		len += state->len;
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_ORGANIZATION_NAME:
michael@0: 		if (org) {
michael@0: 			break;
michael@0: 		}
michael@0: 		org = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!org) {
michael@0:  			goto loser;
michael@0: 		}
michael@0: 		len += org->len;
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_DN_QUALIFIER:
michael@0: 		if (dq) {
michael@0: 			break;
michael@0: 		}
michael@0: 		dq = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!dq) {
michael@0:  			goto loser;
michael@0: 		}
michael@0: 		len += dq->len;
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_ORGANIZATIONAL_UNIT_NAME:
michael@0: 		if (ou_count < MAX_OUS) {
michael@0: 			orgunit[ou_count] = CERT_DecodeAVAValue(&ava->value);
michael@0: 			if (!orgunit[ou_count]) {
michael@0: 				goto loser;
michael@0:                         }
michael@0: 			len += orgunit[ou_count++]->len;
michael@0: 		}
michael@0: 		break;
michael@0: 	      case SEC_OID_AVA_DC:
michael@0: 		if (dc_count < MAX_DC) {
michael@0: 			dc[dc_count] = CERT_DecodeAVAValue(&ava->value);
michael@0: 			if (!dc[dc_count]) {
michael@0: 				goto loser;
michael@0: 			}
michael@0: 			len += dc[dc_count++]->len;
michael@0: 		}
michael@0: 		break;
michael@0: 	      case SEC_OID_PKCS9_EMAIL_ADDRESS:
michael@0: 	      case SEC_OID_RFC1274_MAIL:
michael@0: 		if (email) {
michael@0: 			break;
michael@0: 		}
michael@0: 		email = CERT_DecodeAVAValue(&ava->value);
michael@0: 		if (!email) {
michael@0: 			goto loser;
michael@0: 		}
michael@0: 		len += email->len;
michael@0: 		break;
michael@0: 	      default:
michael@0: 		break;
michael@0: 	    }
michael@0: 	}
michael@0:     }
michael@0: 
michael@0:     /* XXX - add some for formatting */
michael@0:     len += 128;
michael@0: 
michael@0:     /* allocate buffer */
michael@0:     buf = (char *)PORT_Alloc(len);
michael@0:     if ( !buf ) {
michael@0: 	goto loser;
michael@0:     }
michael@0: 
michael@0:     tmpbuf = buf;
michael@0:     
michael@0:     if ( cn ) {
michael@0: 	PORT_Memcpy(tmpbuf, cn->data, cn->len);
michael@0: 	tmpbuf += cn->len;
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0:     if ( email ) {
michael@0: 	PORT_Memcpy(tmpbuf, email->data, email->len);
michael@0: 	tmpbuf += ( email->len );
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0:     for (i=ou_count-1; i >= 0; i--) {
michael@0: 	PORT_Memcpy(tmpbuf, orgunit[i]->data, orgunit[i]->len);
michael@0: 	tmpbuf += ( orgunit[i]->len );
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0:     if ( dq ) {
michael@0: 	PORT_Memcpy(tmpbuf, dq->data, dq->len);
michael@0: 	tmpbuf += ( dq->len );
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0:     if ( org ) {
michael@0: 	PORT_Memcpy(tmpbuf, org->data, org->len);
michael@0: 	tmpbuf += ( org->len );
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0:     for (i=dc_count-1; i >= 0; i--) {
michael@0: 	PORT_Memcpy(tmpbuf, dc[i]->data, dc[i]->len);
michael@0: 	tmpbuf += ( dc[i]->len );
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0:     first = PR_TRUE;
michael@0:     if ( loc ) {
michael@0: 	PORT_Memcpy(tmpbuf, loc->data,  loc->len);
michael@0: 	tmpbuf += ( loc->len );
michael@0: 	first = PR_FALSE;
michael@0:     }
michael@0:     if ( state ) {
michael@0: 	if ( !first ) {
michael@0: 	    PORT_Memcpy(tmpbuf, COMMA, COMMALEN);
michael@0: 	    tmpbuf += COMMALEN;
michael@0: 	}
michael@0: 	PORT_Memcpy(tmpbuf, state->data, state->len);
michael@0: 	tmpbuf += ( state->len );
michael@0: 	first = PR_FALSE;
michael@0:     }
michael@0:     if ( country ) {
michael@0: 	if ( !first ) {
michael@0: 	    PORT_Memcpy(tmpbuf, COMMA, COMMALEN);
michael@0: 	    tmpbuf += COMMALEN;
michael@0: 	}
michael@0: 	PORT_Memcpy(tmpbuf, country->data, country->len);
michael@0: 	tmpbuf += ( country->len );
michael@0: 	first = PR_FALSE;
michael@0:     }
michael@0:     if ( !first ) {
michael@0: 	PORT_Memcpy(tmpbuf, BREAK, BREAKLEN);
michael@0: 	tmpbuf += BREAKLEN;
michael@0:     }
michael@0: 
michael@0:     *tmpbuf = 0;
michael@0: 
michael@0:     /* fall through and clean */
michael@0: loser:
michael@0:     if ( cn ) {
michael@0: 	SECITEM_FreeItem(cn, PR_TRUE);
michael@0:     }
michael@0:     if ( email ) {
michael@0: 	SECITEM_FreeItem(email, PR_TRUE);
michael@0:     }
michael@0:     for (i=ou_count-1; i >= 0; i--) {
michael@0: 	SECITEM_FreeItem(orgunit[i], PR_TRUE);
michael@0:     }
michael@0:     if ( dq ) {
michael@0: 	SECITEM_FreeItem(dq, PR_TRUE);
michael@0:     }
michael@0:     if ( org ) {
michael@0: 	SECITEM_FreeItem(org, PR_TRUE);
michael@0:     }
michael@0:     for (i=dc_count-1; i >= 0; i--) {
michael@0: 	SECITEM_FreeItem(dc[i], PR_TRUE);
michael@0:     }
michael@0:     if ( loc ) {
michael@0: 	SECITEM_FreeItem(loc, PR_TRUE);
michael@0:     }
michael@0:     if ( state ) {
michael@0: 	SECITEM_FreeItem(state, PR_TRUE);
michael@0:     }
michael@0:     if ( country ) {
michael@0: 	SECITEM_FreeItem(country, PR_TRUE);
michael@0:     }
michael@0: 
michael@0:     return(buf);
michael@0: }
michael@0: