char *
sftk_argGetParamValue(char *paramName,char *parameters)
{
char searchValue[256];
int paramLen = strlen(paramName);
char *returnValue = NULL;
int next;
if ((parameters == NULL) || (*parameters == 0)) return NULL;
PORT_Assert(paramLen+2 < sizeof(searchValue));
PORT_Strcpy(searchValue,paramName);
PORT_Strcat(searchValue,"=");
while (*parameters) {
if (PORT_Strncasecmp(parameters,searchValue,paramLen+1) == 0) {
parameters += paramLen+1;
returnValue = sftk_argFetchValue(parameters,&next);
break;
} else {
parameters = sftk_argSkipParameter(parameters);
}
parameters = sftk_argStrip(parameters);
}
return returnValue;
}
/* turn the slot flags into a bit mask */
unsigned long
NSSUTIL_ArgParseSlotFlags(const char *label, const char *params)
{
char *flags;
const char *index;
unsigned long retValue = 0;
int i;
PRBool all = PR_FALSE;
flags = NSSUTIL_ArgGetParamValue(label, params);
if (flags == NULL)
return 0;
if (PORT_Strcasecmp(flags, "all") == 0)
all = PR_TRUE;
for (index = flags; *index; index = NSSUTIL_ArgNextFlag(index)) {
for (i = 0; i < nssutil_argSlotFlagTableSize; i++) {
if (all ||
(PORT_Strncasecmp(index, nssutil_argSlotFlagTable[i].name,
nssutil_argSlotFlagTable[i].len) == 0)) {
retValue |= nssutil_argSlotFlagTable[i].value;
}
}
}
PORT_Free(flags);
return retValue;
}
static PRBool
sftk_argHasFlag(char *label, char *flag, char *parameters)
{
char *flags,*index;
int len = strlen(flag);
PRBool found = PR_FALSE;
flags = sftk_argGetParamValue(label,parameters);
if (flags == NULL) return PR_FALSE;
for (index=flags; *index; index=sftk_argNextFlag(index)) {
if (PORT_Strncasecmp(index,flag,len) == 0) {
found=PR_TRUE;
break;
}
}
PORT_Free(flags);
return found;
}
SECStatus
SECU_SECItemHexStringToBinary(SECItem* srcdest)
{
int i;
if (!srcdest) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
if (srcdest->len < 4 || (srcdest->len % 2) ) {
/* too short to convert, or even number of characters */
PORT_SetError(SEC_ERROR_BAD_DATA);
return SECFailure;
}
if (PORT_Strncasecmp((const char*)srcdest->data, "0x", 2)) {
/* wrong prefix */
PORT_SetError(SEC_ERROR_BAD_DATA);
return SECFailure;
}
/* 1st pass to check for hex characters */
for (i=2; i<srcdest->len; i++) {
char c = PORT_Tolower(srcdest->data[i]);
if (! ( ( c >= '0' && c <= '9') ||
( c >= 'a' && c <= 'f')
) ) {
PORT_SetError(SEC_ERROR_BAD_DATA);
return SECFailure;
}
}
/* 2nd pass to convert */
for (i=2; i<srcdest->len; i+=2) {
srcdest->data[(i-2)/2] = (nibble(srcdest->data[i]) << 4) +
nibble(srcdest->data[i+1]);
}
/* adjust length */
srcdest->len -= 2;
srcdest->len /= 2;
return SECSuccess;
}
/*
* Delete a module from the Data Base
*/
SECStatus
sftkdb_DeleteSecmodDB(SDBType dbType, const char *appName,
const char *filename, const char *dbname,
char *args, PRBool rw)
{
/* SHDB_FIXME implement */
FILE *fd = NULL;
FILE *fd2 = NULL;
char line[MAX_LINE_LENGTH];
char *dbname2 = NULL;
char *block = NULL;
char *name = NULL;
char *lib = NULL;
int name_len, lib_len;
PRBool skip = PR_FALSE;
PRBool found = PR_FALSE;
if (dbname == NULL) {
return SECFailure;
}
if ((dbType == SDB_LEGACY) || (dbType == SDB_MULTIACCESS)) {
return sftkdbCall_DeleteSecmodDB(appName, filename, dbname, args, rw);
}
if (!rw) {
return SECFailure;
}
dbname2 = strdup(dbname);
if (dbname2 == NULL) goto loser;
dbname2[strlen(dbname)-1]++;
/* do we really want to use streams here */
fd = fopen(dbname, "r");
if (fd == NULL) goto loser;
#ifdef WINCE
fd2 = fopen(dbname2, "w+");
#else
fd2 = lfopen(dbname2, "w+", O_CREAT|O_RDWR|O_TRUNC);
#endif
if (fd2 == NULL) goto loser;
name = sftk_argGetParamValue("name",args);
if (name) {
name_len = PORT_Strlen(name);
}
lib = sftk_argGetParamValue("library",args);
if (lib) {
lib_len = PORT_Strlen(lib);
}
/*
* the following loop takes line separated config files and collapses
* the lines to a single string, escaping and quoting as necessary.
*/
/* loop state variables */
block = NULL;
skip = PR_FALSE;
while (fgets(line, sizeof(line), fd) != NULL) {
/* If we are processing a block (we haven't hit a blank line yet */
if (*line != '\n') {
/* skip means we are in the middle of a block we are deleting */
if (skip) {
continue;
}
/* if we haven't found the block yet, check to see if this block
* matches our requirements */
if (!found && ((name && (PORT_Strncasecmp(line,"name=",5) == 0) &&
(PORT_Strncmp(line+5,name,name_len) == 0)) ||
(lib && (PORT_Strncasecmp(line,"library=",8) == 0) &&
(PORT_Strncmp(line+8,lib,lib_len) == 0)))) {
/* yup, we don't need to save any more data, */
PORT_Free(block);
block=NULL;
/* we don't need to collect more of this block */
skip = PR_TRUE;
/* we don't need to continue searching for the block */
found =PR_TRUE;
continue;
}
/* not our match, continue to collect data in this block */
block = sftkdb_DupCat(block,line);
continue;
}
/* we've collected a block of data that wasn't the module we were
* looking for, write it out */
if (block) {
fwrite(block, PORT_Strlen(block), 1, fd2);
PORT_Free(block);
block = NULL;
}
/* If we didn't just delete the this block, keep the blank line */
if (!skip) {
fputs(line,fd2);
}
/* we are definately not in a deleted block anymore */
skip = PR_FALSE;
}
fclose(fd);
fclose(fd2);
if (found) {
/* rename dbname2 to dbname */
PR_Delete(dbname);
PR_Rename(dbname2,dbname);
} else {
PR_Delete(dbname2);
}
PORT_Free(dbname2);
PORT_Free(lib);
PORT_Free(name);
PORT_Free(block);
return SECSuccess;
loser:
if (fd != NULL) {
fclose(fd);
}
if (fd2 != NULL) {
fclose(fd2);
}
if (dbname2) {
PR_Delete(dbname2);
PORT_Free(dbname2);
}
PORT_Free(lib);
PORT_Free(name);
return SECFailure;
}
/*
* Delete a module from the Data Base
*/
static SECStatus
nssutil_DeleteSecmodDBEntry(const char *appName,
const char *filename,
const char *dbname,
char *args,
PRBool rw)
{
/* SHDB_FIXME implement */
os_stat_type stat_existing;
os_open_permissions_type file_mode;
FILE *fd = NULL;
FILE *fd2 = NULL;
char line[MAX_LINE_LENGTH];
char *dbname2 = NULL;
char *block = NULL;
char *name = NULL;
char *lib = NULL;
int name_len = 0, lib_len = 0;
PRBool skip = PR_FALSE;
PRBool found = PR_FALSE;
if (dbname == NULL) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
if (!rw) {
PORT_SetError(SEC_ERROR_READ_ONLY);
return SECFailure;
}
dbname2 = PORT_Strdup(dbname);
if (dbname2 == NULL) goto loser;
dbname2[strlen(dbname)-1]++;
/* get the permissions of the existing file, or use the default */
if (!os_stat(dbname, &stat_existing)) {
file_mode = stat_existing.st_mode;
} else {
file_mode = os_open_permissions_default;
}
/* do we really want to use streams here */
fd = fopen(dbname, "r");
if (fd == NULL) goto loser;
fd2 = lfopen(dbname2, lfopen_truncate, file_mode);
if (fd2 == NULL) goto loser;
name = NSSUTIL_ArgGetParamValue("name",args);
if (name) {
name_len = PORT_Strlen(name);
}
lib = NSSUTIL_ArgGetParamValue("library",args);
if (lib) {
lib_len = PORT_Strlen(lib);
}
/*
* the following loop takes line separated config files and collapses
* the lines to a single string, escaping and quoting as necessary.
*/
/* loop state variables */
block = NULL;
skip = PR_FALSE;
while (fgets(line, sizeof(line), fd) != NULL) {
/* If we are processing a block (we haven't hit a blank line yet */
if (*line != '\n') {
/* skip means we are in the middle of a block we are deleting */
if (skip) {
continue;
}
/* if we haven't found the block yet, check to see if this block
* matches our requirements */
if (!found && ((name && (PORT_Strncasecmp(line,"name=",5) == 0) &&
(PORT_Strncmp(line+5,name,name_len) == 0)) ||
(lib && (PORT_Strncasecmp(line,"library=",8) == 0) &&
(PORT_Strncmp(line+8,lib,lib_len) == 0)))) {
/* yup, we don't need to save any more data, */
PORT_Free(block);
block=NULL;
/* we don't need to collect more of this block */
skip = PR_TRUE;
/* we don't need to continue searching for the block */
found =PR_TRUE;
continue;
}
/* not our match, continue to collect data in this block */
block = nssutil_DupCat(block,line);
continue;
}
/* we've collected a block of data that wasn't the module we were
* looking for, write it out */
if (block) {
fwrite(block, PORT_Strlen(block), 1, fd2);
PORT_Free(block);
block = NULL;
}
/* If we didn't just delete the this block, keep the blank line */
if (!skip) {
fputs(line,fd2);
}
/* we are definately not in a deleted block anymore */
skip = PR_FALSE;
}
fclose(fd);
fclose(fd2);
if (found) {
/* rename dbname2 to dbname */
PR_Delete(dbname);
PR_Rename(dbname2,dbname);
} else {
PR_Delete(dbname2);
}
PORT_Free(dbname2);
PORT_Free(lib);
PORT_Free(name);
PORT_Free(block);
return SECSuccess;
loser:
if (fd != NULL) {
fclose(fd);
}
if (fd2 != NULL) {
fclose(fd2);
}
if (dbname2) {
PR_Delete(dbname2);
PORT_Free(dbname2);
}
PORT_Free(lib);
PORT_Free(name);
return SECFailure;
}
/*
* read an old style ascii or binary certificate chain
*/
SECStatus
CERT_DecodeCertPackage(char *certbuf,
int certlen,
CERTImportCertificateFunc f,
void *arg)
{
unsigned char *cp;
unsigned char *bincert = NULL;
char * ascCert = NULL;
SECStatus rv;
if ( certbuf == NULL ) {
return(SECFailure);
}
cp = (unsigned char *)certbuf;
/* is a DER encoded certificate of some type? */
if ( ( *cp & 0x1f ) == SEC_ASN1_SEQUENCE ) {
SECItem certitem;
SECItem *pcertitem = &certitem;
int seqLen, seqLenLen;
cp++;
if ( *cp & 0x80) {
/* Multibyte length */
seqLenLen = cp[0] & 0x7f;
switch (seqLenLen) {
case 4:
seqLen = ((unsigned long)cp[1]<<24) |
((unsigned long)cp[2]<<16) | (cp[3]<<8) | cp[4];
break;
case 3:
seqLen = ((unsigned long)cp[1]<<16) | (cp[2]<<8) | cp[3];
break;
case 2:
seqLen = (cp[1]<<8) | cp[2];
break;
case 1:
seqLen = cp[1];
break;
default:
/* indefinite length */
seqLen = 0;
}
cp += ( seqLenLen + 1 );
} else {
seqLenLen = 0;
seqLen = *cp;
cp++;
}
/* check entire length if definite length */
if ( seqLen || seqLenLen ) {
if ( certlen != ( seqLen + seqLenLen + 2 ) ) {
if (certlen > ( seqLen + seqLenLen + 2 ))
PORT_SetError(SEC_ERROR_EXTRA_INPUT);
else
PORT_SetError(SEC_ERROR_INPUT_LEN);
goto notder;
}
}
/* check the type string */
/* netscape wrapped DER cert */
if ( ( cp[0] == SEC_ASN1_OCTET_STRING ) &&
( cp[1] == CERTIFICATE_TYPE_LEN ) &&
( PORT_Strcmp((char *)&cp[2], CERTIFICATE_TYPE_STRING) ) ) {
cp += ( CERTIFICATE_TYPE_LEN + 2 );
/* it had better be a certificate by now!! */
certitem.data = cp;
certitem.len = certlen - ( cp - (unsigned char *)certbuf );
rv = (* f)(arg, &pcertitem, 1);
return(rv);
} else if ( cp[0] == SEC_ASN1_OBJECT_ID ) {
SECOidData *oiddata;
SECItem oiditem;
/* XXX - assume DER encoding of OID len!! */
oiditem.len = cp[1];
oiditem.data = (unsigned char *)&cp[2];
oiddata = SECOID_FindOID(&oiditem);
if ( oiddata == NULL ) {
return(SECFailure);
}
certitem.data = (unsigned char*)certbuf;
certitem.len = certlen;
switch ( oiddata->offset ) {
case SEC_OID_PKCS7_SIGNED_DATA:
return(SEC_ReadPKCS7Certs(&certitem, f, arg));
break;
case SEC_OID_NS_TYPE_CERT_SEQUENCE:
return(SEC_ReadCertSequence(&certitem, f, arg));
break;
default:
break;
}
} else {
/* it had better be a certificate by now!! */
certitem.data = (unsigned char*)certbuf;
certitem.len = certlen;
rv = (* f)(arg, &pcertitem, 1);
return(rv);
}
}
/* now look for a netscape base64 ascii encoded cert */
notder:
{
unsigned char *certbegin = NULL;
unsigned char *certend = NULL;
char *pc;
int cl;
/* Convert the ASCII data into a nul-terminated string */
ascCert = (char *)PORT_Alloc(certlen + 1);
if (!ascCert) {
rv = SECFailure;
goto loser;
}
PORT_Memcpy(ascCert, certbuf, certlen);
ascCert[certlen] = '\0';
pc = PORT_Strchr(ascCert, '\n'); /* find an EOL */
if (!pc) { /* maybe this is a MAC file */
pc = ascCert;
while (*pc && NULL != (pc = PORT_Strchr(pc, '\r'))) {
*pc++ = '\n';
}
}
cp = (unsigned char *)ascCert;
cl = certlen;
/* find the beginning marker */
while ( cl > NS_CERT_HEADER_LEN ) {
if ( !PORT_Strncasecmp((char *)cp, NS_CERT_HEADER,
NS_CERT_HEADER_LEN) ) {
cl -= NS_CERT_HEADER_LEN;
cp += NS_CERT_HEADER_LEN;
certbegin = cp;
break;
}
/* skip to next eol */
do {
cp++;
cl--;
} while ( ( *cp != '\n') && cl );
/* skip all blank lines */
while ( ( *cp == '\n') && cl ) {
cp++;
cl--;
}
}
if ( certbegin ) {
/* find the ending marker */
while ( cl > NS_CERT_TRAILER_LEN ) {
if ( !PORT_Strncasecmp((char *)cp, NS_CERT_TRAILER,
NS_CERT_TRAILER_LEN) ) {
certend = (unsigned char *)cp;
break;
}
/* skip to next eol */
do {
cp++;
cl--;
} while ( ( *cp != '\n') && cl );
/* skip all blank lines */
while ( ( *cp == '\n') && cl ) {
cp++;
cl--;
}
}
}
if ( certbegin && certend ) {
unsigned int binLen;
*certend = 0;
/* convert to binary */
bincert = ATOB_AsciiToData(certbegin, &binLen);
if (!bincert) {
rv = SECFailure;
goto loser;
}
/* now recurse to decode the binary */
rv = CERT_DecodeCertPackage((char *)bincert, binLen, f, arg);
} else {
rv = SECFailure;
}
}
loser:
if ( bincert ) {
PORT_Free(bincert);
}
if ( ascCert ) {
PORT_Free(ascCert);
}
return(rv);
}
