From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 security/nss/lib/util/utilpars.c | 1314 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 1314 insertions(+)
 create mode 100644 security/nss/lib/util/utilpars.c

(limited to 'security/nss/lib/util/utilpars.c')

diff --git a/security/nss/lib/util/utilpars.c b/security/nss/lib/util/utilpars.c
new file mode 100644
index 0000000000..dd3d2326a9
--- /dev/null
+++ b/security/nss/lib/util/utilpars.c
@@ -0,0 +1,1314 @@
+/* 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/. */
+/*
+ * The following code handles the storage of PKCS 11 modules used by the
+ * NSS. This file is written to abstract away how the modules are
+ * stored so we can decide that later.
+ */
+#include "secport.h"
+#include "prprf.h"
+#include "prenv.h"
+#include "utilpars.h"
+#include "utilmodt.h"
+
+/*
+ * return the expected matching quote value for the one specified
+ */
+PRBool
+NSSUTIL_ArgGetPair(char c)
+{
+    switch (c) {
+        case '\'':
+            return c;
+        case '\"':
+            return c;
+        case '<':
+            return '>';
+        case '{':
+            return '}';
+        case '[':
+            return ']';
+        case '(':
+            return ')';
+        default:
+            break;
+    }
+    return ' ';
+}
+
+PRBool
+NSSUTIL_ArgIsBlank(char c)
+{
+    return isspace((unsigned char)c);
+}
+
+PRBool
+NSSUTIL_ArgIsEscape(char c)
+{
+    return c == '\\';
+}
+
+PRBool
+NSSUTIL_ArgIsQuote(char c)
+{
+    switch (c) {
+        case '\'':
+        case '\"':
+        case '<':
+        case '{': /* } end curly to keep vi bracket matching working */
+        case '(': /* ) */
+        case '[': /* ] */
+            return PR_TRUE;
+        default:
+            break;
+    }
+    return PR_FALSE;
+}
+
+const char *
+NSSUTIL_ArgStrip(const char *c)
+{
+    while (*c && NSSUTIL_ArgIsBlank(*c))
+        c++;
+    return c;
+}
+
+/*
+ * find the end of the current tag/value pair. string should be pointing just
+ * after the equal sign. Handles quoted characters.
+ */
+const char *
+NSSUTIL_ArgFindEnd(const char *string)
+{
+    char endChar = ' ';
+    PRBool lastEscape = PR_FALSE;
+
+    if (NSSUTIL_ArgIsQuote(*string)) {
+        endChar = NSSUTIL_ArgGetPair(*string);
+        string++;
+    }
+
+    for (; *string; string++) {
+        if (lastEscape) {
+            lastEscape = PR_FALSE;
+            continue;
+        }
+        if (NSSUTIL_ArgIsEscape(*string) && !lastEscape) {
+            lastEscape = PR_TRUE;
+            continue;
+        }
+        if ((endChar == ' ') && NSSUTIL_ArgIsBlank(*string))
+            break;
+        if (*string == endChar) {
+            break;
+        }
+    }
+
+    return string;
+}
+
+/*
+ * get the value pointed to by string. string should be pointing just beyond
+ * the equal sign.
+ */
+char *
+NSSUTIL_ArgFetchValue(const char *string, int *pcount)
+{
+    const char *end = NSSUTIL_ArgFindEnd(string);
+    char *retString, *copyString;
+    PRBool lastEscape = PR_FALSE;
+    int len;
+
+    len = end - string;
+    if (len == 0) {
+        *pcount = 0;
+        return NULL;
+    }
+
+    copyString = retString = (char *)PORT_Alloc(len + 1);
+
+    if (*end)
+        len++;
+    *pcount = len;
+    if (retString == NULL)
+        return NULL;
+
+    if (NSSUTIL_ArgIsQuote(*string))
+        string++;
+    for (; string < end; string++) {
+        if (NSSUTIL_ArgIsEscape(*string) && !lastEscape) {
+            lastEscape = PR_TRUE;
+            continue;
+        }
+        lastEscape = PR_FALSE;
+        *copyString++ = *string;
+    }
+    *copyString = 0;
+    return retString;
+}
+
+/*
+ * point to the next parameter in string
+ */
+const char *
+NSSUTIL_ArgSkipParameter(const char *string)
+{
+    const char *end;
+    /* look for the end of the <name>= */
+    for (; *string; string++) {
+        if (*string == '=') {
+            string++;
+            break;
+        }
+        if (NSSUTIL_ArgIsBlank(*string))
+            return (string);
+    }
+
+    end = NSSUTIL_ArgFindEnd(string);
+    if (*end)
+        end++;
+    return end;
+}
+
+/*
+ * get the value from that tag value pair.
+ */
+char *
+NSSUTIL_ArgGetParamValue(const char *paramName, const char *parameters)
+{
+    char searchValue[256];
+    size_t 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 = NSSUTIL_ArgFetchValue(parameters, &next);
+            break;
+        } else {
+            parameters = NSSUTIL_ArgSkipParameter(parameters);
+        }
+        parameters = NSSUTIL_ArgStrip(parameters);
+    }
+    return returnValue;
+}
+
+/*
+ * find the next flag in the parameter list
+ */
+const char *
+NSSUTIL_ArgNextFlag(const char *flags)
+{
+    for (; *flags; flags++) {
+        if (*flags == ',') {
+            flags++;
+            break;
+        }
+    }
+    return flags;
+}
+
+/*
+ * return true if the flag is set in the label parameter.
+ */
+PRBool
+NSSUTIL_ArgHasFlag(const char *label, const char *flag, const char *parameters)
+{
+    char *flags;
+    const char *index;
+    int len = strlen(flag);
+    PRBool found = PR_FALSE;
+
+    flags = NSSUTIL_ArgGetParamValue(label, parameters);
+    if (flags == NULL)
+        return PR_FALSE;
+
+    for (index = flags; *index; index = NSSUTIL_ArgNextFlag(index)) {
+        if (PORT_Strncasecmp(index, flag, len) == 0) {
+            found = PR_TRUE;
+            break;
+        }
+    }
+    PORT_Free(flags);
+    return found;
+}
+
+/*
+ * decode a number. handle octal (leading '0'), hex (leading '0x') or decimal
+ */
+long
+NSSUTIL_ArgDecodeNumber(const char *num)
+{
+    int radix = 10;
+    unsigned long value = 0;
+    long retValue = 0;
+    int sign = 1;
+    int digit;
+
+    if (num == NULL)
+        return retValue;
+
+    num = NSSUTIL_ArgStrip(num);
+
+    if (*num == '-') {
+        sign = -1;
+        num++;
+    }
+
+    if (*num == '0') {
+        radix = 8;
+        num++;
+        if ((*num == 'x') || (*num == 'X')) {
+            radix = 16;
+            num++;
+        }
+    }
+
+    for (; *num; num++) {
+        if (isdigit(*num)) {
+            digit = *num - '0';
+        } else if ((*num >= 'a') && (*num <= 'f')) {
+            digit = *num - 'a' + 10;
+        } else if ((*num >= 'A') && (*num <= 'F')) {
+            digit = *num - 'A' + 10;
+        } else {
+            break;
+        }
+        if (digit >= radix)
+            break;
+        value = value * radix + digit;
+    }
+
+    retValue = ((int)value) * sign;
+    return retValue;
+}
+
+/*
+ * parameters are tag value pairs. This function returns the tag or label (the
+ * value before the equal size.
+ */
+char *
+NSSUTIL_ArgGetLabel(const char *inString, int *next)
+{
+    char *name = NULL;
+    const char *string;
+    int len;
+
+    /* look for the end of the <label>= */
+    for (string = inString; *string; string++) {
+        if (*string == '=') {
+            break;
+        }
+        if (NSSUTIL_ArgIsBlank(*string))
+            break;
+    }
+
+    len = string - inString;
+
+    *next = len;
+    if (*string == '=')
+        (*next) += 1;
+    if (len > 0) {
+        name = PORT_Alloc(len + 1);
+        PORT_Strncpy(name, inString, len);
+        name[len] = 0;
+    }
+    return name;
+}
+
+/*
+ * read an argument at a Long integer
+ */
+long
+NSSUTIL_ArgReadLong(const char *label, const char *params,
+                    long defValue, PRBool *isdefault)
+{
+    char *value;
+    long retValue;
+    if (isdefault)
+        *isdefault = PR_FALSE;
+
+    value = NSSUTIL_ArgGetParamValue(label, params);
+    if (value == NULL) {
+        if (isdefault)
+            *isdefault = PR_TRUE;
+        return defValue;
+    }
+    retValue = NSSUTIL_ArgDecodeNumber(value);
+    if (value)
+        PORT_Free(value);
+
+    return retValue;
+}
+
+/*
+ * prepare a string to be quoted with 'quote' marks. We do that by adding
+ * appropriate escapes.
+ */
+static int
+nssutil_escapeQuotesSize(const char *string, char quote, PRBool addquotes)
+{
+    int escapes = 0, size = 0;
+    const char *src;
+
+    size = addquotes ? 2 : 0;
+    for (src = string; *src; src++) {
+        if ((*src == quote) || (*src == '\\'))
+            escapes++;
+        size++;
+    }
+    return size + escapes + 1;
+}
+
+static char *
+nssutil_escapeQuotes(const char *string, char quote, PRBool addquotes)
+{
+    char *newString = 0;
+    int size = 0;
+    const char *src;
+    char *dest;
+
+    size = nssutil_escapeQuotesSize(string, quote, addquotes);
+
+    dest = newString = PORT_ZAlloc(size);
+    if (newString == NULL) {
+        return NULL;
+    }
+
+    if (addquotes)
+        *dest++ = quote;
+    for (src = string; *src; src++, dest++) {
+        if ((*src == '\\') || (*src == quote)) {
+            *dest++ = '\\';
+        }
+        *dest = *src;
+    }
+    if (addquotes)
+        *dest = quote;
+
+    return newString;
+}
+
+int
+NSSUTIL_EscapeSize(const char *string, char quote)
+{
+    return nssutil_escapeQuotesSize(string, quote, PR_FALSE);
+}
+
+char *
+NSSUTIL_Escape(const char *string, char quote)
+{
+    return nssutil_escapeQuotes(string, quote, PR_FALSE);
+}
+
+int
+NSSUTIL_QuoteSize(const char *string, char quote)
+{
+    return nssutil_escapeQuotesSize(string, quote, PR_TRUE);
+}
+
+char *
+NSSUTIL_Quote(const char *string, char quote)
+{
+    return nssutil_escapeQuotes(string, quote, PR_TRUE);
+}
+
+int
+NSSUTIL_DoubleEscapeSize(const char *string, char quote1, char quote2)
+{
+    int escapes = 0, size = 0;
+    const char *src;
+    for (src = string; *src; src++) {
+        if (*src == '\\')
+            escapes += 3; /* \\\\ */
+        if (*src == quote1)
+            escapes += 2; /* \\quote1 */
+        if (*src == quote2)
+            escapes++; /* \quote2 */
+        size++;
+    }
+
+    return escapes + size + 1;
+}
+
+char *
+NSSUTIL_DoubleEscape(const char *string, char quote1, char quote2)
+{
+    char *round1 = NULL;
+    char *retValue = NULL;
+    if (string == NULL) {
+        goto done;
+    }
+    round1 = nssutil_escapeQuotes(string, quote1, PR_FALSE);
+    if (round1) {
+        retValue = nssutil_escapeQuotes(round1, quote2, PR_FALSE);
+        PORT_Free(round1);
+    }
+
+done:
+    if (retValue == NULL) {
+        retValue = PORT_Strdup("");
+    }
+    return retValue;
+}
+
+/************************************************************************
+ * These functions are used in contructing strings.
+ * NOTE: they will always return a string, but sometimes it will return
+ * a specific NULL string. These strings must be freed with util_freePair.
+ */
+
+/* string to return on error... */
+static char *nssutil_nullString = "";
+
+static char *
+nssutil_formatValue(PLArenaPool *arena, char *value, char quote)
+{
+    char *vp, *vp2, *retval;
+    int size = 0, escapes = 0;
+
+    for (vp = value; *vp; vp++) {
+        if ((*vp == quote) || (*vp == NSSUTIL_ARG_ESCAPE))
+            escapes++;
+        size++;
+    }
+    if (arena) {
+        retval = PORT_ArenaZAlloc(arena, size + escapes + 1);
+    } else {
+        retval = PORT_ZAlloc(size + escapes + 1);
+    }
+    if (retval == NULL)
+        return NULL;
+    vp2 = retval;
+    for (vp = value; *vp; vp++) {
+        if ((*vp == quote) || (*vp == NSSUTIL_ARG_ESCAPE))
+            *vp2++ = NSSUTIL_ARG_ESCAPE;
+        *vp2++ = *vp;
+    }
+    return retval;
+}
+
+static PRBool
+nssutil_argHasChar(char *v, char c)
+{
+    for (; *v; v++) {
+        if (*v == c)
+            return PR_TRUE;
+    }
+    return PR_FALSE;
+}
+
+static PRBool
+nssutil_argHasBlanks(char *v)
+{
+    for (; *v; v++) {
+        if (NSSUTIL_ArgIsBlank(*v))
+            return PR_TRUE;
+    }
+    return PR_FALSE;
+}
+
+static char *
+nssutil_formatPair(char *name, char *value, char quote)
+{
+    char openQuote = quote;
+    char closeQuote = NSSUTIL_ArgGetPair(quote);
+    char *newValue = NULL;
+    char *returnValue;
+    PRBool need_quote = PR_FALSE;
+
+    if (!value || (*value == 0))
+        return nssutil_nullString;
+
+    if (nssutil_argHasBlanks(value) || NSSUTIL_ArgIsQuote(value[0]))
+        need_quote = PR_TRUE;
+
+    if ((need_quote && nssutil_argHasChar(value, closeQuote)) || nssutil_argHasChar(value, NSSUTIL_ARG_ESCAPE)) {
+        value = newValue = nssutil_formatValue(NULL, value, quote);
+        if (newValue == NULL)
+            return nssutil_nullString;
+    }
+    if (need_quote) {
+        returnValue = PR_smprintf("%s=%c%s%c", name, openQuote, value, closeQuote);
+    } else {
+        returnValue = PR_smprintf("%s=%s", name, value);
+    }
+    if (returnValue == NULL)
+        returnValue = nssutil_nullString;
+
+    if (newValue)
+        PORT_Free(newValue);
+
+    return returnValue;
+}
+
+static char *
+nssutil_formatIntPair(char *name, unsigned long value,
+                      unsigned long def)
+{
+    char *returnValue;
+
+    if (value == def)
+        return nssutil_nullString;
+
+    returnValue = PR_smprintf("%s=%d", name, value);
+
+    return returnValue;
+}
+
+static void
+nssutil_freePair(char *pair)
+{
+    if (pair && pair != nssutil_nullString) {
+        PR_smprintf_free(pair);
+    }
+}
+
+/************************************************************************
+ * Parse the Slot specific parameters in the NSS params.
+ */
+
+struct nssutilArgSlotFlagTable {
+    char *name;
+    int len;
+    unsigned long value;
+};
+
+#define NSSUTIL_ARG_ENTRY(arg, flag) \
+    {                                \
+#arg, sizeof(#arg) - 1, flag \
+    }
+static struct nssutilArgSlotFlagTable nssutil_argSlotFlagTable[] = {
+    NSSUTIL_ARG_ENTRY(RSA, SECMOD_RSA_FLAG),
+    NSSUTIL_ARG_ENTRY(ECC, SECMOD_ECC_FLAG),
+    NSSUTIL_ARG_ENTRY(DSA, SECMOD_RSA_FLAG),
+    NSSUTIL_ARG_ENTRY(RC2, SECMOD_RC4_FLAG),
+    NSSUTIL_ARG_ENTRY(RC4, SECMOD_RC2_FLAG),
+    NSSUTIL_ARG_ENTRY(DES, SECMOD_DES_FLAG),
+    NSSUTIL_ARG_ENTRY(DH, SECMOD_DH_FLAG),
+    NSSUTIL_ARG_ENTRY(FORTEZZA, SECMOD_FORTEZZA_FLAG),
+    NSSUTIL_ARG_ENTRY(RC5, SECMOD_RC5_FLAG),
+    NSSUTIL_ARG_ENTRY(SHA1, SECMOD_SHA1_FLAG),
+    NSSUTIL_ARG_ENTRY(SHA256, SECMOD_SHA256_FLAG),
+    NSSUTIL_ARG_ENTRY(SHA512, SECMOD_SHA512_FLAG),
+    NSSUTIL_ARG_ENTRY(MD5, SECMOD_MD5_FLAG),
+    NSSUTIL_ARG_ENTRY(MD2, SECMOD_MD2_FLAG),
+    NSSUTIL_ARG_ENTRY(SSL, SECMOD_SSL_FLAG),
+    NSSUTIL_ARG_ENTRY(TLS, SECMOD_TLS_FLAG),
+    NSSUTIL_ARG_ENTRY(AES, SECMOD_AES_FLAG),
+    NSSUTIL_ARG_ENTRY(Camellia, SECMOD_CAMELLIA_FLAG),
+    NSSUTIL_ARG_ENTRY(SEED, SECMOD_SEED_FLAG),
+    NSSUTIL_ARG_ENTRY(PublicCerts, SECMOD_FRIENDLY_FLAG),
+    NSSUTIL_ARG_ENTRY(RANDOM, SECMOD_RANDOM_FLAG),
+    NSSUTIL_ARG_ENTRY(Disable, SECMOD_DISABLE_FLAG),
+};
+
+static int nssutil_argSlotFlagTableSize =
+    sizeof(nssutil_argSlotFlagTable) / sizeof(nssutil_argSlotFlagTable[0]);
+
+/* 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;
+}
+
+/* parse a single slot specific parameter */
+static void
+nssutil_argDecodeSingleSlotInfo(char *name, char *params,
+                                struct NSSUTILPreSlotInfoStr *slotInfo)
+{
+    char *askpw;
+
+    slotInfo->slotID = NSSUTIL_ArgDecodeNumber(name);
+    slotInfo->defaultFlags = NSSUTIL_ArgParseSlotFlags("slotFlags", params);
+    slotInfo->timeout = NSSUTIL_ArgReadLong("timeout", params, 0, NULL);
+
+    askpw = NSSUTIL_ArgGetParamValue("askpw", params);
+    slotInfo->askpw = 0;
+
+    if (askpw) {
+        if (PORT_Strcasecmp(askpw, "every") == 0) {
+            slotInfo->askpw = -1;
+        } else if (PORT_Strcasecmp(askpw, "timeout") == 0) {
+            slotInfo->askpw = 1;
+        }
+        PORT_Free(askpw);
+        slotInfo->defaultFlags |= PK11_OWN_PW_DEFAULTS;
+    }
+    slotInfo->hasRootCerts = NSSUTIL_ArgHasFlag("rootFlags", "hasRootCerts",
+                                                params);
+    slotInfo->hasRootTrust = NSSUTIL_ArgHasFlag("rootFlags", "hasRootTrust",
+                                                params);
+}
+
+/* parse all the slot specific parameters. */
+struct NSSUTILPreSlotInfoStr *
+NSSUTIL_ArgParseSlotInfo(PLArenaPool *arena, const char *slotParams,
+                         int *retCount)
+{
+    const char *slotIndex;
+    struct NSSUTILPreSlotInfoStr *slotInfo = NULL;
+    int i = 0, count = 0, next;
+
+    *retCount = 0;
+    if ((slotParams == NULL) || (*slotParams == 0))
+        return NULL;
+
+    /* first count the number of slots */
+    for (slotIndex = NSSUTIL_ArgStrip(slotParams); *slotIndex;
+         slotIndex = NSSUTIL_ArgStrip(NSSUTIL_ArgSkipParameter(slotIndex))) {
+        count++;
+    }
+
+    /* get the data structures */
+    if (arena) {
+        slotInfo = PORT_ArenaZNewArray(arena,
+                                       struct NSSUTILPreSlotInfoStr, count);
+    } else {
+        slotInfo = PORT_ZNewArray(struct NSSUTILPreSlotInfoStr, count);
+    }
+    if (slotInfo == NULL)
+        return NULL;
+
+    for (slotIndex = NSSUTIL_ArgStrip(slotParams), i = 0;
+         *slotIndex && i < count;) {
+        char *name;
+        name = NSSUTIL_ArgGetLabel(slotIndex, &next);
+        slotIndex += next;
+
+        if (!NSSUTIL_ArgIsBlank(*slotIndex)) {
+            char *args = NSSUTIL_ArgFetchValue(slotIndex, &next);
+            slotIndex += next;
+            if (args) {
+                nssutil_argDecodeSingleSlotInfo(name, args, &slotInfo[i]);
+                i++;
+                PORT_Free(args);
+            }
+        }
+        if (name)
+            PORT_Free(name);
+        slotIndex = NSSUTIL_ArgStrip(slotIndex);
+    }
+    *retCount = i;
+    return slotInfo;
+}
+
+/************************************************************************
+ * make a new slot specific parameter
+ */
+/* first make the slot flags */
+static char *
+nssutil_mkSlotFlags(unsigned long defaultFlags)
+{
+    char *flags = NULL;
+    unsigned int i;
+    int j;
+
+    for (i = 0; i < sizeof(defaultFlags) * 8; i++) {
+        if (defaultFlags & (1UL << i)) {
+            char *string = NULL;
+
+            for (j = 0; j < nssutil_argSlotFlagTableSize; j++) {
+                if (nssutil_argSlotFlagTable[j].value == (1UL << i)) {
+                    string = nssutil_argSlotFlagTable[j].name;
+                    break;
+                }
+            }
+            if (string) {
+                if (flags) {
+                    char *tmp;
+                    tmp = PR_smprintf("%s,%s", flags, string);
+                    PR_smprintf_free(flags);
+                    flags = tmp;
+                } else {
+                    flags = PR_smprintf("%s", string);
+                }
+            }
+        }
+    }
+
+    return flags;
+}
+
+/* now make the root flags */
+#define NSSUTIL_MAX_ROOT_FLAG_SIZE sizeof("hasRootCerts") + sizeof("hasRootTrust")
+static char *
+nssutil_mkRootFlags(PRBool hasRootCerts, PRBool hasRootTrust)
+{
+    char *flags = (char *)PORT_ZAlloc(NSSUTIL_MAX_ROOT_FLAG_SIZE);
+    PRBool first = PR_TRUE;
+
+    PORT_Memset(flags, 0, NSSUTIL_MAX_ROOT_FLAG_SIZE);
+    if (hasRootCerts) {
+        PORT_Strcat(flags, "hasRootCerts");
+        first = PR_FALSE;
+    }
+    if (hasRootTrust) {
+        if (!first)
+            PORT_Strcat(flags, ",");
+        PORT_Strcat(flags, "hasRootTrust");
+    }
+    return flags;
+}
+
+/* now make a full slot string */
+char *
+NSSUTIL_MkSlotString(unsigned long slotID, unsigned long defaultFlags,
+                     unsigned long timeout, unsigned char askpw_in,
+                     PRBool hasRootCerts, PRBool hasRootTrust)
+{
+    char *askpw, *flags, *rootFlags, *slotString;
+    char *flagPair, *rootFlagsPair;
+
+    switch (askpw_in) {
+        case 0xff:
+            askpw = "every";
+            break;
+        case 1:
+            askpw = "timeout";
+            break;
+        default:
+            askpw = "any";
+            break;
+    }
+    flags = nssutil_mkSlotFlags(defaultFlags);
+    rootFlags = nssutil_mkRootFlags(hasRootCerts, hasRootTrust);
+    flagPair = nssutil_formatPair("slotFlags", flags, '\'');
+    rootFlagsPair = nssutil_formatPair("rootFlags", rootFlags, '\'');
+    if (flags)
+        PR_smprintf_free(flags);
+    if (rootFlags)
+        PORT_Free(rootFlags);
+    if (defaultFlags & PK11_OWN_PW_DEFAULTS) {
+        slotString = PR_smprintf("0x%08lx=[%s askpw=%s timeout=%d %s]",
+                                 (PRUint32)slotID, flagPair, askpw, timeout,
+                                 rootFlagsPair);
+    } else {
+        slotString = PR_smprintf("0x%08lx=[%s %s]",
+                                 (PRUint32)slotID, flagPair, rootFlagsPair);
+    }
+    nssutil_freePair(flagPair);
+    nssutil_freePair(rootFlagsPair);
+    return slotString;
+}
+
+/************************************************************************
+ * Parse Full module specs into: library, commonName, module parameters,
+ * and NSS specifi parameters.
+ */
+SECStatus
+NSSUTIL_ArgParseModuleSpecEx(const char *modulespec, char **lib, char **mod,
+                             char **parameters, char **nss,
+                             char **config)
+{
+    int next;
+    modulespec = NSSUTIL_ArgStrip(modulespec);
+
+    *lib = *mod = *parameters = *nss = *config = 0;
+
+    while (*modulespec) {
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *lib, "library=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *mod, "name=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *parameters, "parameters=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *nss, "nss=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *config, "config=", ;)
+        NSSUTIL_HANDLE_FINAL_ARG(modulespec)
+    }
+    return SECSuccess;
+}
+
+/************************************************************************
+ * Parse Full module specs into: library, commonName, module parameters,
+ * and NSS specifi parameters.
+ */
+SECStatus
+NSSUTIL_ArgParseModuleSpec(const char *modulespec, char **lib, char **mod,
+                           char **parameters, char **nss)
+{
+    int next;
+    modulespec = NSSUTIL_ArgStrip(modulespec);
+
+    *lib = *mod = *parameters = *nss = 0;
+
+    while (*modulespec) {
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *lib, "library=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *mod, "name=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *parameters, "parameters=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(modulespec, *nss, "nss=", ;)
+        NSSUTIL_HANDLE_FINAL_ARG(modulespec)
+    }
+    return SECSuccess;
+}
+
+/************************************************************************
+ * make a new module spec from it's components */
+char *
+NSSUTIL_MkModuleSpecEx(char *dllName, char *commonName, char *parameters,
+                       char *NSS,
+                       char *config)
+{
+    char *moduleSpec;
+    char *lib, *name, *param, *nss, *conf;
+
+    /*
+     * now the final spec
+     */
+    lib = nssutil_formatPair("library", dllName, '\"');
+    name = nssutil_formatPair("name", commonName, '\"');
+    param = nssutil_formatPair("parameters", parameters, '\"');
+    nss = nssutil_formatPair("NSS", NSS, '\"');
+    if (config) {
+        conf = nssutil_formatPair("config", config, '\"');
+        moduleSpec = PR_smprintf("%s %s %s %s %s", lib, name, param, nss, conf);
+        nssutil_freePair(conf);
+    } else {
+        moduleSpec = PR_smprintf("%s %s %s %s", lib, name, param, nss);
+    }
+    nssutil_freePair(lib);
+    nssutil_freePair(name);
+    nssutil_freePair(param);
+    nssutil_freePair(nss);
+    return (moduleSpec);
+}
+
+/************************************************************************
+ * make a new module spec from it's components */
+char *
+NSSUTIL_MkModuleSpec(char *dllName, char *commonName, char *parameters,
+                     char *NSS)
+{
+    return NSSUTIL_MkModuleSpecEx(dllName, commonName, parameters, NSS, NULL);
+}
+
+/************************************************************************
+ * add a single flag to the Flags= section inside the spec's NSS= section */
+char *
+NSSUTIL_AddNSSFlagToModuleSpec(char *spec, char *addFlag)
+{
+    const char *prefix = "flags=";
+    const size_t prefixLen = strlen(prefix);
+    char *lib = NULL, *name = NULL, *param = NULL, *nss = NULL, *conf = NULL;
+    char *nss2 = NULL, *result = NULL;
+    SECStatus rv;
+
+    rv = NSSUTIL_ArgParseModuleSpecEx(spec, &lib, &name, &param, &nss, &conf);
+    if (rv != SECSuccess) {
+        return NULL;
+    }
+
+    if (nss && NSSUTIL_ArgHasFlag("flags", addFlag, nss)) {
+        /* It's already there, nothing to do! */
+        PORT_Free(lib);
+        PORT_Free(name);
+        PORT_Free(param);
+        PORT_Free(nss);
+        PORT_Free(conf);
+        return PORT_Strdup(spec);
+    }
+
+    if (!nss || !strlen(nss)) {
+        nss2 = PORT_Alloc(prefixLen + strlen(addFlag) + 1);
+        PORT_Strcpy(nss2, prefix);
+        PORT_Strcat(nss2, addFlag);
+    } else {
+        const char *iNss = nss;
+        PRBool alreadyAdded = PR_FALSE;
+        size_t maxSize = strlen(nss) + strlen(addFlag) + prefixLen + 2; /* space and null terminator */
+        nss2 = PORT_Alloc(maxSize);
+        *nss2 = 0;
+        while (*iNss) {
+            iNss = NSSUTIL_ArgStrip(iNss);
+            if (PORT_Strncasecmp(iNss, prefix, prefixLen) == 0) {
+                /* We found an existing Flags= section. */
+                char *oldFlags;
+                const char *valPtr;
+                int valSize;
+                valPtr = iNss + prefixLen;
+                oldFlags = NSSUTIL_ArgFetchValue(valPtr, &valSize);
+                iNss = valPtr + valSize;
+                PORT_Strcat(nss2, prefix);
+                PORT_Strcat(nss2, oldFlags);
+                PORT_Strcat(nss2, ",");
+                PORT_Strcat(nss2, addFlag);
+                PORT_Strcat(nss2, " ");
+                PORT_Free(oldFlags);
+                alreadyAdded = PR_TRUE;
+                iNss = NSSUTIL_ArgStrip(iNss);
+                PORT_Strcat(nss2, iNss); /* remainder of input */
+                break;
+            } else {
+                /* Append this other name=value pair and continue. */
+                const char *startOfNext = NSSUTIL_ArgSkipParameter(iNss);
+                PORT_Strncat(nss2, iNss, (startOfNext - iNss));
+                if (nss2[strlen(nss2) - 1] != ' ') {
+                    PORT_Strcat(nss2, " ");
+                }
+                iNss = startOfNext;
+            }
+            iNss = NSSUTIL_ArgStrip(iNss);
+        }
+        if (!alreadyAdded) {
+            /* nss wasn't empty, and it didn't contain a Flags section. We can
+             * assume that other content from nss has already been added to
+             * nss2, which means we already have a trailing space separator. */
+            PORT_Strcat(nss2, prefix);
+            PORT_Strcat(nss2, addFlag);
+        }
+    }
+
+    result = NSSUTIL_MkModuleSpecEx(lib, name, param, nss2, conf);
+    PORT_Free(lib);
+    PORT_Free(name);
+    PORT_Free(param);
+    PORT_Free(nss);
+    PORT_Free(nss2);
+    PORT_Free(conf);
+    return result;
+}
+
+#define NSSUTIL_ARG_FORTEZZA_FLAG "FORTEZZA"
+/******************************************************************************
+ * Parse the cipher flags from the NSS parameter
+ */
+void
+NSSUTIL_ArgParseCipherFlags(unsigned long *newCiphers, const char *cipherList)
+{
+    newCiphers[0] = newCiphers[1] = 0;
+    if ((cipherList == NULL) || (*cipherList == 0))
+        return;
+
+    for (; *cipherList; cipherList = NSSUTIL_ArgNextFlag(cipherList)) {
+        if (PORT_Strncasecmp(cipherList, NSSUTIL_ARG_FORTEZZA_FLAG,
+                             sizeof(NSSUTIL_ARG_FORTEZZA_FLAG) - 1) == 0) {
+            newCiphers[0] |= SECMOD_FORTEZZA_FLAG;
+        }
+
+        /* add additional flags here as necessary */
+        /* direct bit mapping escape */
+        if (*cipherList == 0) {
+            if (cipherList[1] == 'l') {
+                newCiphers[1] |= atoi(&cipherList[2]);
+            } else {
+                newCiphers[0] |= atoi(&cipherList[2]);
+            }
+        }
+    }
+}
+
+/*********************************************************************
+ * make NSS parameter...
+ */
+/* First make NSS specific flags */
+#define MAX_FLAG_SIZE sizeof("internal") + sizeof("FIPS") + sizeof("moduleDB") + \
+                          sizeof("moduleDBOnly") + sizeof("critical")
+static char *
+nssutil_mkNSSFlags(PRBool internal, PRBool isFIPS,
+                   PRBool isModuleDB, PRBool isModuleDBOnly, PRBool isCritical)
+{
+    char *flags = (char *)PORT_ZAlloc(MAX_FLAG_SIZE);
+    PRBool first = PR_TRUE;
+
+    PORT_Memset(flags, 0, MAX_FLAG_SIZE);
+    if (internal) {
+        PORT_Strcat(flags, "internal");
+        first = PR_FALSE;
+    }
+    if (isFIPS) {
+        if (!first)
+            PORT_Strcat(flags, ",");
+        PORT_Strcat(flags, "FIPS");
+        first = PR_FALSE;
+    }
+    if (isModuleDB) {
+        if (!first)
+            PORT_Strcat(flags, ",");
+        PORT_Strcat(flags, "moduleDB");
+        first = PR_FALSE;
+    }
+    if (isModuleDBOnly) {
+        if (!first)
+            PORT_Strcat(flags, ",");
+        PORT_Strcat(flags, "moduleDBOnly");
+        first = PR_FALSE;
+    }
+    if (isCritical) {
+        if (!first)
+            PORT_Strcat(flags, ",");
+        PORT_Strcat(flags, "critical");
+    }
+    return flags;
+}
+
+/* construct the NSS cipher flags */
+static char *
+nssutil_mkCipherFlags(unsigned long ssl0, unsigned long ssl1)
+{
+    char *cipher = NULL;
+    unsigned int i;
+
+    for (i = 0; i < sizeof(ssl0) * 8; i++) {
+        if (ssl0 & (1UL << i)) {
+            char *string;
+            if ((1UL << i) == SECMOD_FORTEZZA_FLAG) {
+                string = PR_smprintf("%s", NSSUTIL_ARG_FORTEZZA_FLAG);
+            } else {
+                string = PR_smprintf("0h0x%08lx", 1UL << i);
+            }
+            if (cipher) {
+                char *tmp;
+                tmp = PR_smprintf("%s,%s", cipher, string);
+                PR_smprintf_free(cipher);
+                PR_smprintf_free(string);
+                cipher = tmp;
+            } else {
+                cipher = string;
+            }
+        }
+    }
+    for (i = 0; i < sizeof(ssl0) * 8; i++) {
+        if (ssl1 & (1UL << i)) {
+            if (cipher) {
+                char *tmp;
+                tmp = PR_smprintf("%s,0l0x%08lx", cipher, 1UL << i);
+                PR_smprintf_free(cipher);
+                cipher = tmp;
+            } else {
+                cipher = PR_smprintf("0l0x%08lx", 1UL << i);
+            }
+        }
+    }
+
+    return cipher;
+}
+
+/* Assemble a full NSS string. */
+char *
+NSSUTIL_MkNSSString(char **slotStrings, int slotCount, PRBool internal,
+                    PRBool isFIPS, PRBool isModuleDB, PRBool isModuleDBOnly,
+                    PRBool isCritical, unsigned long trustOrder,
+                    unsigned long cipherOrder, unsigned long ssl0, unsigned long ssl1)
+{
+    int slotLen, i;
+    char *slotParams, *ciphers, *nss, *nssFlags;
+    const char *tmp;
+    char *trustOrderPair, *cipherOrderPair, *slotPair, *cipherPair, *flagPair;
+
+    /* now let's build up the string
+     * first the slot infos
+     */
+    slotLen = 0;
+    for (i = 0; i < (int)slotCount; i++) {
+        slotLen += PORT_Strlen(slotStrings[i]) + 1;
+    }
+    slotLen += 1; /* space for the final NULL */
+
+    slotParams = (char *)PORT_ZAlloc(slotLen);
+    PORT_Memset(slotParams, 0, slotLen);
+    for (i = 0; i < (int)slotCount; i++) {
+        PORT_Strcat(slotParams, slotStrings[i]);
+        PORT_Strcat(slotParams, " ");
+        PR_smprintf_free(slotStrings[i]);
+        slotStrings[i] = NULL;
+    }
+
+    /*
+     * now the NSS structure
+     */
+    nssFlags = nssutil_mkNSSFlags(internal, isFIPS, isModuleDB, isModuleDBOnly,
+                                  isCritical);
+    /* for now only the internal module is critical */
+    ciphers = nssutil_mkCipherFlags(ssl0, ssl1);
+
+    trustOrderPair = nssutil_formatIntPair("trustOrder", trustOrder,
+                                           NSSUTIL_DEFAULT_TRUST_ORDER);
+    cipherOrderPair = nssutil_formatIntPair("cipherOrder", cipherOrder,
+                                            NSSUTIL_DEFAULT_CIPHER_ORDER);
+    slotPair = nssutil_formatPair("slotParams", slotParams, '{'); /* } */
+    if (slotParams)
+        PORT_Free(slotParams);
+    cipherPair = nssutil_formatPair("ciphers", ciphers, '\'');
+    if (ciphers)
+        PR_smprintf_free(ciphers);
+    flagPair = nssutil_formatPair("Flags", nssFlags, '\'');
+    if (nssFlags)
+        PORT_Free(nssFlags);
+    nss = PR_smprintf("%s %s %s %s %s", trustOrderPair,
+                      cipherOrderPair, slotPair, cipherPair, flagPair);
+    nssutil_freePair(trustOrderPair);
+    nssutil_freePair(cipherOrderPair);
+    nssutil_freePair(slotPair);
+    nssutil_freePair(cipherPair);
+    nssutil_freePair(flagPair);
+    tmp = NSSUTIL_ArgStrip(nss);
+    if (*tmp == '\0') {
+        PR_smprintf_free(nss);
+        nss = NULL;
+    }
+    return nss;
+}
+
+/*****************************************************************************
+ *
+ * Private calls for use by softoken and utilmod.c
+ */
+
+#define SQLDB "sql:"
+#define EXTERNDB "extern:"
+#define LEGACY "dbm:"
+#define MULTIACCESS "multiaccess:"
+#define SECMOD_DB "secmod.db"
+const char *
+_NSSUTIL_EvaluateConfigDir(const char *configdir,
+                           NSSDBType *pdbType, char **appName)
+{
+    NSSDBType dbType;
+    PRBool checkEnvDefaultDB = PR_FALSE;
+    *appName = NULL;
+    /* force the default */
+    dbType = NSS_DB_TYPE_SQL;
+    if (configdir == NULL) {
+        checkEnvDefaultDB = PR_TRUE;
+    } else if (PORT_Strncmp(configdir, MULTIACCESS, sizeof(MULTIACCESS) - 1) == 0) {
+        char *cdir;
+        dbType = NSS_DB_TYPE_MULTIACCESS;
+
+        *appName = PORT_Strdup(configdir + sizeof(MULTIACCESS) - 1);
+        if (*appName == NULL) {
+            return configdir;
+        }
+        cdir = *appName;
+        while (*cdir && *cdir != ':') {
+            cdir++;
+        }
+        if (*cdir == ':') {
+            *cdir = 0;
+            cdir++;
+        }
+        configdir = cdir;
+    } else if (PORT_Strncmp(configdir, SQLDB, sizeof(SQLDB) - 1) == 0) {
+        dbType = NSS_DB_TYPE_SQL;
+        configdir = configdir + sizeof(SQLDB) - 1;
+    } else if (PORT_Strncmp(configdir, EXTERNDB, sizeof(EXTERNDB) - 1) == 0) {
+        dbType = NSS_DB_TYPE_EXTERN;
+        configdir = configdir + sizeof(EXTERNDB) - 1;
+    } else if (PORT_Strncmp(configdir, LEGACY, sizeof(LEGACY) - 1) == 0) {
+        dbType = NSS_DB_TYPE_LEGACY;
+        configdir = configdir + sizeof(LEGACY) - 1;
+    } else {
+        checkEnvDefaultDB = PR_TRUE;
+    }
+
+    /* look up the default from the environment */
+    if (checkEnvDefaultDB) {
+        char *defaultType = PR_GetEnvSecure("NSS_DEFAULT_DB_TYPE");
+        if (defaultType != NULL) {
+            if (PORT_Strncmp(defaultType, SQLDB, sizeof(SQLDB) - 2) == 0) {
+                dbType = NSS_DB_TYPE_SQL;
+            } else if (PORT_Strncmp(defaultType, EXTERNDB, sizeof(EXTERNDB) - 2) == 0) {
+                dbType = NSS_DB_TYPE_EXTERN;
+            } else if (PORT_Strncmp(defaultType, LEGACY, sizeof(LEGACY) - 2) == 0) {
+                dbType = NSS_DB_TYPE_LEGACY;
+            }
+        }
+    }
+    /* if the caller has already set a type, don't change it */
+    if (*pdbType == NSS_DB_TYPE_NONE) {
+        *pdbType = dbType;
+    }
+    return configdir;
+}
+
+char *
+_NSSUTIL_GetSecmodName(const char *param, NSSDBType *dbType, char **appName,
+                       char **filename, PRBool *rw)
+{
+    int next;
+    char *configdir = NULL;
+    char *secmodName = NULL;
+    char *value = NULL;
+    const char *save_params = param;
+    const char *lconfigdir;
+    PRBool noModDB = PR_FALSE;
+    param = NSSUTIL_ArgStrip(param);
+
+    while (*param) {
+        NSSUTIL_HANDLE_STRING_ARG(param, configdir, "configDir=", ;)
+        NSSUTIL_HANDLE_STRING_ARG(param, secmodName, "secmod=", ;)
+        NSSUTIL_HANDLE_FINAL_ARG(param)
+    }
+
+    *rw = PR_TRUE;
+    if (NSSUTIL_ArgHasFlag("flags", "readOnly", save_params)) {
+        *rw = PR_FALSE;
+    }
+
+    if (!secmodName || *secmodName == '\0') {
+        if (secmodName)
+            PORT_Free(secmodName);
+        secmodName = PORT_Strdup(SECMOD_DB);
+    }
+
+    *filename = secmodName;
+    lconfigdir = _NSSUTIL_EvaluateConfigDir(configdir, dbType, appName);
+
+    if (NSSUTIL_ArgHasFlag("flags", "noModDB", save_params)) {
+        /* there isn't a module db, don't load the legacy support */
+        noModDB = PR_TRUE;
+        *dbType = NSS_DB_TYPE_SQL;
+        PORT_Free(*filename);
+        *filename = NULL;
+        *rw = PR_FALSE;
+    }
+
+    /* only use the renamed secmod for legacy databases */
+    if ((*dbType != NSS_DB_TYPE_LEGACY) &&
+        (*dbType != NSS_DB_TYPE_MULTIACCESS) &&
+        !NSSUTIL_ArgHasFlag("flags", "forceSecmodChoice", save_params)) {
+        secmodName = "pkcs11.txt";
+    }
+
+    if (noModDB) {
+        value = NULL;
+    } else if (lconfigdir && lconfigdir[0] != '\0') {
+        value = PR_smprintf("%s" NSSUTIL_PATH_SEPARATOR "%s",
+                            lconfigdir, secmodName);
+    } else {
+        value = PR_smprintf("%s", secmodName);
+    }
+    if (configdir)
+        PORT_Free(configdir);
+    return value;
+}
-- 
cgit v1.2.3