Delete bundled copy of NSS and replace with README.

nss/lib/certdb/secname.c

Index: nss/lib/certdb/secname.c
diff --git a/nss/lib/certdb/secname.c b/nss/lib/certdb/secname.c
deleted file mode 100644
index 1fcae97762f2eef9adc1490659a921f7844130b0..0000000000000000000000000000000000000000
--- a/nss/lib/certdb/secname.c
+++ /dev/null
@@ -1,708 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "cert.h"
-#include "secoid.h"
-#include "secder.h" /* XXX remove this when remove the DERTemplates */
-#include "secasn1.h"
-#include "secitem.h"
-#include <stdarg.h>
-#include "secerr.h"
-#include "certi.h"
-
-static const SEC_ASN1Template cert_AVATemplate[] = {
-    { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CERTAVA) },
-    { SEC_ASN1_OBJECT_ID, offsetof(CERTAVA, type) },
-    { SEC_ASN1_ANY, offsetof(CERTAVA, value) },
-    { 0 }
-};
-
-const SEC_ASN1Template CERT_RDNTemplate[] = {
-    { SEC_ASN1_SET_OF, offsetof(CERTRDN, avas), cert_AVATemplate,
-      sizeof(CERTRDN) }
-};
-
-static int
-CountArray(void **array)
-{
-    int count = 0;
-    if (array) {
-        while (*array++) {
-            count++;
-        }
-    }
-    return count;
-}
-
-static void **
-AddToArray(PLArenaPool *arena, void **array, void *element)
-{
-    unsigned count;
-    void **ap;
-
-    /* Count up number of slots already in use in the array */
-    count = 0;
-    ap = array;
-    if (ap) {
-        while (*ap++) {
-            count++;
-        }
-    }
-
-    if (array) {
-        array =
-            (void **)PORT_ArenaGrow(arena, array, (count + 1) * sizeof(void *),
-                                    (count + 2) * sizeof(void *));
-    } else {
-        array = (void **)PORT_ArenaAlloc(arena, (count + 2) * sizeof(void *));
-    }
-    if (array) {
-        array[count] = element;
-        array[count + 1] = 0;
-    }
-    return array;
-}
-
-SECOidTag
-CERT_GetAVATag(CERTAVA *ava)
-{
-    SECOidData *oid;
-    if (!ava->type.data)
-        return (SECOidTag)-1;
-
-    oid = SECOID_FindOID(&ava->type);
-
-    if (oid) {
-        return (oid->offset);
-    }
-    return (SECOidTag)-1;
-}
-
-static SECStatus
-SetupAVAType(PLArenaPool *arena, SECOidTag type, SECItem *it, unsigned *maxLenp)
-{
-    unsigned char *oid;
-    unsigned oidLen;
-    unsigned char *cp;
-    int maxLen;
-    SECOidData *oidrec;
-
-    oidrec = SECOID_FindOIDByTag(type);
-    if (oidrec == NULL)
-        return SECFailure;
-
-    oid = oidrec->oid.data;
-    oidLen = oidrec->oid.len;
-
-    maxLen = cert_AVAOidTagToMaxLen(type);
-    if (maxLen < 0) {
-        PORT_SetError(SEC_ERROR_INVALID_ARGS);
-        return SECFailure;
-    }
-
-    it->data = cp = (unsigned char *)PORT_ArenaAlloc(arena, oidLen);
-    if (cp == NULL) {
-        return SECFailure;
-    }
-    it->len = oidLen;
-    PORT_Memcpy(cp, oid, oidLen);
-    *maxLenp = (unsigned)maxLen;
-    return SECSuccess;
-}
-
-static SECStatus
-SetupAVAValue(PLArenaPool *arena, int valueType, const SECItem *in,
-              SECItem *out, unsigned maxLen)
-{
-    PRUint8 *value, *cp, *ucs4Val;
-    unsigned valueLen, valueLenLen, total;
-    unsigned ucs4Len = 0, ucs4MaxLen;
-
-    value = in->data;
-    valueLen = in->len;
-    switch (valueType) {
-        case SEC_ASN1_PRINTABLE_STRING:
-        case SEC_ASN1_IA5_STRING:
-        case SEC_ASN1_T61_STRING:
-        case SEC_ASN1_UTF8_STRING: /* no conversion required */
-            break;
-        case SEC_ASN1_UNIVERSAL_STRING:
-            ucs4MaxLen = valueLen * 6;
-            ucs4Val = (PRUint8 *)PORT_ArenaZAlloc(arena, ucs4MaxLen);
-            if (!ucs4Val ||
-                !PORT_UCS4_UTF8Conversion(PR_TRUE, value, valueLen, ucs4Val,
-                                          ucs4MaxLen, &ucs4Len)) {
-                PORT_SetError(SEC_ERROR_INVALID_ARGS);
-                return SECFailure;
-            }
-            value = ucs4Val;
-            valueLen = ucs4Len;
-            maxLen *= 4;
-            break;
-        default:
-            PORT_SetError(SEC_ERROR_INVALID_ARGS);
-            return SECFailure;
-    }
-
-    if (valueLen > maxLen) {
-        PORT_SetError(SEC_ERROR_INVALID_ARGS);
-        return SECFailure;
-    }
-
-    valueLenLen = DER_LengthLength(valueLen);
-    total = 1 + valueLenLen + valueLen;
-    cp = (PRUint8 *)PORT_ArenaAlloc(arena, total);
-    if (!cp) {
-        return SECFailure;
-    }
-    out->data = cp;
-    out->len = total;
-    cp = (PRUint8 *)DER_StoreHeader(cp, valueType, valueLen);
-    PORT_Memcpy(cp, value, valueLen);
-    return SECSuccess;
-}
-
-CERTAVA *
-CERT_CreateAVAFromRaw(PLArenaPool *pool, const SECItem *OID,
-                      const SECItem *value)
-{
-    CERTAVA *ava;
-    int rv;
-
-    ava = PORT_ArenaZNew(pool, CERTAVA);
-    if (ava) {
-        rv = SECITEM_CopyItem(pool, &ava->type, OID);
-        if (rv)
-            return NULL;
-
-        rv = SECITEM_CopyItem(pool, &ava->value, value);
-        if (rv)
-            return NULL;
-    }
-    return ava;
-}
-
-CERTAVA *
-CERT_CreateAVAFromSECItem(PLArenaPool *arena, SECOidTag kind, int valueType,
-                          SECItem *value)
-{
-    CERTAVA *ava;
-    int rv;
-    unsigned maxLen;
-
-    ava = (CERTAVA *)PORT_ArenaZAlloc(arena, sizeof(CERTAVA));
-    if (ava) {
-        rv = SetupAVAType(arena, kind, &ava->type, &maxLen);
-        if (rv) {
-            /* Illegal AVA type */
-            return NULL;
-        }
-        rv = SetupAVAValue(arena, valueType, value, &ava->value, maxLen);
-        if (rv) {
-            /* Illegal value type */
-            return NULL;
-        }
-    }
-    return ava;
-}
-
-CERTAVA *
-CERT_CreateAVA(PLArenaPool *arena, SECOidTag kind, int valueType, char *value)
-{
-    SECItem item = { siBuffer, NULL, 0 };
-
-    item.data = (PRUint8 *)value;
-    item.len = PORT_Strlen(value);
-
-    return CERT_CreateAVAFromSECItem(arena, kind, valueType, &item);
-}
-
-CERTAVA *
-CERT_CopyAVA(PLArenaPool *arena, CERTAVA *from)
-{
-    CERTAVA *ava;
-    int rv;
-
-    ava = (CERTAVA *)PORT_ArenaZAlloc(arena, sizeof(CERTAVA));
-    if (ava) {
-        rv = SECITEM_CopyItem(arena, &ava->type, &from->type);
-        if (rv)
-            goto loser;
-        rv = SECITEM_CopyItem(arena, &ava->value, &from->value);
-        if (rv)
-            goto loser;
-    }
-    return ava;
-
-loser:
-    return 0;
-}
-
-CERTRDN *
-CERT_CreateRDN(PLArenaPool *arena, CERTAVA *ava0, ...)
-{
-    CERTAVA *ava;
-    CERTRDN *rdn;
-    va_list ap;
-    unsigned count;
-    CERTAVA **avap;
-
-    rdn = (CERTRDN *)PORT_ArenaAlloc(arena, sizeof(CERTRDN));
-    if (rdn) {
-        /* Count number of avas going into the rdn */
-        count = 0;
-        if (ava0) {
-            count++;
-            va_start(ap, ava0);
-            while ((ava = va_arg(ap, CERTAVA *)) != 0) {
-                count++;
-            }
-            va_end(ap);
-        }
-
-        /* Now fill in the pointers */
-        rdn->avas = avap =
-            (CERTAVA **)PORT_ArenaAlloc(arena, (count + 1) * sizeof(CERTAVA *));
-        if (!avap) {
-            return 0;
-        }
-        if (ava0) {
-            *avap++ = ava0;
-            va_start(ap, ava0);
-            while ((ava = va_arg(ap, CERTAVA *)) != 0) {
-                *avap++ = ava;
-            }
-            va_end(ap);
-        }
-        *avap++ = 0;
-    }
-    return rdn;
-}
-
-SECStatus
-CERT_AddAVA(PLArenaPool *arena, CERTRDN *rdn, CERTAVA *ava)
-{
-    rdn->avas = (CERTAVA **)AddToArray(arena, (void **)rdn->avas, ava);
-    return rdn->avas ? SECSuccess : SECFailure;
-}
-
-SECStatus
-CERT_CopyRDN(PLArenaPool *arena, CERTRDN *to, CERTRDN *from)
-{
-    CERTAVA **avas, *fava, *tava;
-    SECStatus rv = SECSuccess;
-
-    /* Copy each ava from from */
-    avas = from->avas;
-    if (avas) {
-        if (avas[0] == NULL) {
-            rv = CERT_AddAVA(arena, to, NULL);
-            return rv;
-        }
-        while ((fava = *avas++) != 0) {
-            tava = CERT_CopyAVA(arena, fava);
-            if (!tava) {
-                rv = SECFailure;
-                break;
-            }
-            rv = CERT_AddAVA(arena, to, tava);
-            if (rv != SECSuccess)
-                break;
-        }
-    }
-    return rv;
-}
-
-/************************************************************************/
-
-const SEC_ASN1Template CERT_NameTemplate[] = {
-    { SEC_ASN1_SEQUENCE_OF, offsetof(CERTName, rdns), CERT_RDNTemplate,
-      sizeof(CERTName) }
-};
-
-SEC_ASN1_CHOOSER_IMPLEMENT(CERT_NameTemplate)
-
-CERTName *
-CERT_CreateName(CERTRDN *rdn0, ...)
-{
-    CERTRDN *rdn;
-    CERTName *name;
-    va_list ap;
-    unsigned count;
-    CERTRDN **rdnp;
-    PLArenaPool *arena;
-
-    arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
-    if (!arena) {
-        return (0);
-    }
-
-    name = (CERTName *)PORT_ArenaAlloc(arena, sizeof(CERTName));
-    if (name) {
-        name->arena = arena;
-
-        /* Count number of RDNs going into the Name */
-        if (!rdn0) {
-            count = 0;
-        } else {
-            count = 1;
-            va_start(ap, rdn0);
-            while ((rdn = va_arg(ap, CERTRDN *)) != 0) {
-                count++;
-            }
-            va_end(ap);
-        }
-
-        /* Allocate space (including space for terminal null ptr) */
-        name->rdns = rdnp =
-            (CERTRDN **)PORT_ArenaAlloc(arena, (count + 1) * sizeof(CERTRDN *));
-        if (!name->rdns) {
-            goto loser;
-        }
-
-        /* Now fill in the pointers */
-        if (count > 0) {
-            *rdnp++ = rdn0;
-            va_start(ap, rdn0);
-            while ((rdn = va_arg(ap, CERTRDN *)) != 0) {
-                *rdnp++ = rdn;
-            }
-            va_end(ap);
-        }
-
-        /* null terminate the list */
-        *rdnp++ = 0;
-    }
-    return name;
-
-loser:
-    PORT_FreeArena(arena, PR_FALSE);
-    return (0);
-}
-
-void
-CERT_DestroyName(CERTName *name)
-{
-    if (name) {
-        PLArenaPool *arena = name->arena;
-        name->rdns = NULL;
-        name->arena = NULL;
-        if (arena)
-            PORT_FreeArena(arena, PR_FALSE);
-    }
-}
-
-SECStatus
-CERT_AddRDN(CERTName *name, CERTRDN *rdn)
-{
-    name->rdns = (CERTRDN **)AddToArray(name->arena, (void **)name->rdns, rdn);
-    return name->rdns ? SECSuccess : SECFailure;
-}
-
-SECStatus
-CERT_CopyName(PLArenaPool *arena, CERTName *to, const CERTName *from)
-{
-    CERTRDN **rdns, *frdn, *trdn;
-    SECStatus rv = SECSuccess;
-
-    if (!to || !from) {
-        PORT_SetError(SEC_ERROR_INVALID_ARGS);
-        return SECFailure;
-    }
-
-    CERT_DestroyName(to);
-    to->arena = arena;
-
-    /* Copy each rdn from from */
-    rdns = from->rdns;
-    if (rdns) {
-        if (rdns[0] == NULL) {
-            rv = CERT_AddRDN(to, NULL);
-            return rv;
-        }
-        while ((frdn = *rdns++) != NULL) {
-            trdn = CERT_CreateRDN(arena, NULL);
-            if (!trdn) {
-                rv = SECFailure;
-                break;
-            }
-            rv = CERT_CopyRDN(arena, trdn, frdn);
-            if (rv != SECSuccess)
-                break;
-            rv = CERT_AddRDN(to, trdn);
-            if (rv != SECSuccess)
-                break;
-        }
-    }
-    return rv;
-}
-
-/************************************************************************/
-
-static void
-canonicalize(SECItem *foo)
-{
-    int ch, lastch, len, src, dest;
-
-    /* strip trailing whitespace. */
-    len = foo->len;
-    while (len > 0 && ((ch = foo->data[len - 1]) == ' ' || ch == '\t' ||
-                       ch == '\r' || ch == '\n')) {
-        len--;
-    }
-
-    src = 0;
-    /* strip leading whitespace. */
-    while (src < len && ((ch = foo->data[src]) == ' ' || ch == '\t' ||
-                         ch == '\r' || ch == '\n')) {
-        src++;
-    }
-    dest = 0;
-    lastch = ' ';
-    while (src < len) {
-        ch = foo->data[src++];
-        if (ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n') {
-            ch = ' ';
-            if (ch == lastch)
-                continue;
-        } else if (ch >= 'A' && ch <= 'Z') {
-            ch |= 0x20; /* downshift */
-        }
-        foo->data[dest++] = lastch = ch;
-    }
-    foo->len = dest;
-}
-
-/* SECItems a and b contain DER-encoded printable strings. */
-SECComparison
-CERT_CompareDERPrintableStrings(const SECItem *a, const SECItem *b)
-{
-    SECComparison rv = SECLessThan;
-    SECItem *aVal = CERT_DecodeAVAValue(a);
-    SECItem *bVal = CERT_DecodeAVAValue(b);
-
-    if (aVal && aVal->len && aVal->data && bVal && bVal->len && bVal->data) {
-        canonicalize(aVal);
-        canonicalize(bVal);
-        rv = SECITEM_CompareItem(aVal, bVal);
-    }
-    SECITEM_FreeItem(aVal, PR_TRUE);
-    SECITEM_FreeItem(bVal, PR_TRUE);
-    return rv;
-}
-
-SECComparison
-CERT_CompareAVA(const CERTAVA *a, const CERTAVA *b)
-{
-    SECComparison rv;
-
-    rv = SECITEM_CompareItem(&a->type, &b->type);
-    if (SECEqual != rv)
-        return rv; /* Attribute types don't match. */
-    /* Let's be optimistic.  Maybe the values will just compare equal. */
-    rv = SECITEM_CompareItem(&a->value, &b->value);
-    if (SECEqual == rv)
-        return rv; /* values compared exactly. */
-    if (a->value.len && a->value.data && b->value.len && b->value.data) {
-        /* Here, the values did not match.
-        ** If the values had different encodings, convert them to the same
-        ** encoding and compare that way.
-        */
-        if (a->value.data[0] != b->value.data[0]) {
-            /* encodings differ.  Convert both to UTF-8 and compare. */
-            SECItem *aVal = CERT_DecodeAVAValue(&a->value);
-            SECItem *bVal = CERT_DecodeAVAValue(&b->value);
-            if (aVal && aVal->len && aVal->data && bVal && bVal->len &&
-                bVal->data) {
-                rv = SECITEM_CompareItem(aVal, bVal);
-            }
-            SECITEM_FreeItem(aVal, PR_TRUE);
-            SECITEM_FreeItem(bVal, PR_TRUE);
-        } else if (a->value.data[0] == 0x13) { /* both are printable strings. */
-            /* printable strings */
-            rv = CERT_CompareDERPrintableStrings(&a->value, &b->value);
-        }
-    }
-    return rv;
-}
-
-SECComparison
-CERT_CompareRDN(const CERTRDN *a, const CERTRDN *b)
-{
-    CERTAVA **aavas, *aava;
-    CERTAVA **bavas, *bava;
-    int ac, bc;
-    SECComparison rv = SECEqual;
-
-    aavas = a->avas;
-    bavas = b->avas;
-
-    /*
-    ** Make sure array of ava's are the same length. If not, then we are
-    ** not equal
-    */
-    ac = CountArray((void **)aavas);
-    bc = CountArray((void **)bavas);
-    if (ac < bc)
-        return SECLessThan;
-    if (ac > bc)
-        return SECGreaterThan;
-
-    while (NULL != (aava = *aavas++)) {
-        for (bavas = b->avas; NULL != (bava = *bavas++);) {
-            rv = SECITEM_CompareItem(&aava->type, &bava->type);
-            if (SECEqual == rv) {
-                rv = CERT_CompareAVA(aava, bava);
-                if (SECEqual != rv)
-                    return rv;
-                break;
-            }
-        }
-        if (!bava) /* didn't find a match */
-            return SECGreaterThan;
-    }
-    return rv;
-}
-
-SECComparison
-CERT_CompareName(const CERTName *a, const CERTName *b)
-{
-    CERTRDN **ardns, *ardn;
-    CERTRDN **brdns, *brdn;
-    int ac, bc;
-    SECComparison rv = SECEqual;
-
-    ardns = a->rdns;
-    brdns = b->rdns;
-
-    /*
-    ** Make sure array of rdn's are the same length. If not, then we are
-    ** not equal
-    */
-    ac = CountArray((void **)ardns);
-    bc = CountArray((void **)brdns);
-    if (ac < bc)
-        return SECLessThan;
-    if (ac > bc)
-        return SECGreaterThan;
-
-    for (;;) {
-        ardn = *ardns++;
-        brdn = *brdns++;
-        if (!ardn) {
-            break;
-        }
-        rv = CERT_CompareRDN(ardn, brdn);
-        if (rv)
-            return rv;
-    }
-    return rv;
-}
-
-/* Moved from certhtml.c */
-SECItem *
-CERT_DecodeAVAValue(const SECItem *derAVAValue)
-{
-    SECItem *retItem;
-    const SEC_ASN1Template *theTemplate = NULL;
-    enum { conv_none, conv_ucs4, conv_ucs2, conv_iso88591 } convert = conv_none;
-    SECItem avaValue = { siBuffer, 0 };
-    PLArenaPool *newarena = NULL;
-
-    if (!derAVAValue || !derAVAValue->len || !derAVAValue->data) {
-        PORT_SetError(SEC_ERROR_INVALID_ARGS);
-        return NULL;
-    }
-
-    switch (derAVAValue->data[0]) {
-        case SEC_ASN1_UNIVERSAL_STRING:
-            convert = conv_ucs4;
-            theTemplate = SEC_ASN1_GET(SEC_UniversalStringTemplate);
-            break;
-        case SEC_ASN1_IA5_STRING:
-            theTemplate = SEC_ASN1_GET(SEC_IA5StringTemplate);
-            break;
-        case SEC_ASN1_PRINTABLE_STRING:
-            theTemplate = SEC_ASN1_GET(SEC_PrintableStringTemplate);
-            break;
-        case SEC_ASN1_T61_STRING:
-            /*
-             * Per common practice, we're not decoding actual T.61, but instead
-             * treating T61-labeled strings as containing ISO-8859-1.
-             */
-            convert = conv_iso88591;
-            theTemplate = SEC_ASN1_GET(SEC_T61StringTemplate);
-            break;
-        case SEC_ASN1_BMP_STRING:
-            convert = conv_ucs2;
-            theTemplate = SEC_ASN1_GET(SEC_BMPStringTemplate);
-            break;
-        case SEC_ASN1_UTF8_STRING:
-            /* No conversion needed ! */
-            theTemplate = SEC_ASN1_GET(SEC_UTF8StringTemplate);
-            break;
-        default:
-            PORT_SetError(SEC_ERROR_INVALID_AVA);
-            return NULL;
-    }
-
-    PORT_Memset(&avaValue, 0, sizeof(SECItem));
-    newarena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
-    if (!newarena) {
-        return NULL;
-    }
-    if (SEC_QuickDERDecodeItem(newarena, &avaValue, theTemplate, derAVAValue) !=
-        SECSuccess) {
-        PORT_FreeArena(newarena, PR_FALSE);
-        return NULL;
-    }
-
-    if (convert != conv_none) {
-        unsigned int utf8ValLen = avaValue.len * 3;
-        unsigned char *utf8Val =
-            (unsigned char *)PORT_ArenaZAlloc(newarena, utf8ValLen);
-
-        switch (convert) {
-            case conv_ucs4:
-                if (avaValue.len % 4 != 0 ||
-                    !PORT_UCS4_UTF8Conversion(PR_FALSE, avaValue.data,
-                                              avaValue.len, utf8Val, utf8ValLen,
-                                              &utf8ValLen)) {
-                    PORT_FreeArena(newarena, PR_FALSE);
-                    PORT_SetError(SEC_ERROR_INVALID_AVA);
-                    return NULL;
-                }
-                break;
-            case conv_ucs2:
-                if (avaValue.len % 2 != 0 ||
-                    !PORT_UCS2_UTF8Conversion(PR_FALSE, avaValue.data,
-                                              avaValue.len, utf8Val, utf8ValLen,
-                                              &utf8ValLen)) {
-                    PORT_FreeArena(newarena, PR_FALSE);
-                    PORT_SetError(SEC_ERROR_INVALID_AVA);
-                    return NULL;
-                }
-                break;
-            case conv_iso88591:
-                if (!PORT_ISO88591_UTF8Conversion(avaValue.data, avaValue.len,
-                                                  utf8Val, utf8ValLen,
-                                                  &utf8ValLen)) {
-                    PORT_FreeArena(newarena, PR_FALSE);
-                    PORT_SetError(SEC_ERROR_INVALID_AVA);
-                    return NULL;
-                }
-                break;
-            case conv_none:
-                PORT_Assert(0); /* not reached */
-                break;
-        }
-
-        avaValue.data = utf8Val;
-        avaValue.len = utf8ValLen;
-    }
-
-    retItem = SECITEM_DupItem(&avaValue);
-    PORT_FreeArena(newarena, PR_FALSE);
-    return retItem;
-}