author | Wolfgang Rosenauer <wr@rosenauer.org> |
Thu, 08 Dec 2011 21:55:40 +0100 | |
changeset 1 | 98d01e6fd2bd |
parent 0 | 262e1fb001a8 |
child 3 | 1d5c74914855 |
permissions | -rw-r--r-- |
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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* db.c - Helper funcs for shared NSS database |
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* |
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* Copyright (C) 2008 Hans Petter Jansson |
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* 2008-2011 Wolfgang Rosenauer |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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* |
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* Authors: Hans Petter Jansson <hpj@copyleft.no> |
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* Wolfgang Rosenauer <wr@rosenauer.org> */ |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <fcntl.h> |
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#include <nspr.h> |
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#include <nss.h> |
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#include <pk11priv.h> |
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#include <pk11pub.h> |
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#include "nss-shared-helper.h" |
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#define DEFAULT_RELATIVE_PATH ".pki/nssdb" |
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#define DEFAULT_PATH "/etc/pki/nssdb" |
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typedef struct { |
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enum { |
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PW_NONE = 0, |
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PW_FROMFILE = 1, |
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PW_PLAINTEXT = 2, |
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PW_EXTERNAL = 3 |
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} source; |
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char *data; |
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} secuPWData; |
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char * |
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nsshelp_get_user_db_path (void) |
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{ |
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const char *env; |
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char *path; |
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char system_path[] = DEFAULT_PATH; |
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struct stat sbuf; |
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int result; |
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env = getenv ("NSS_SHARED_DB_PATH"); |
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/* |
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* 1. use env NSS_SHARED_DB_PATH |
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* 2. try /etc/pki/nssdb |
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* 3. use $HOME/.pki/nssdb |
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*/ |
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if (env && *env) { |
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path = strdup (env); |
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} else { |
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env = getenv ("HOME"); |
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if (env && *env) |
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{ |
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path = malloc (strlen (env) + 1 + strlen (DEFAULT_RELATIVE_PATH) + 1); |
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strcpy (path, env); |
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strcat (path, "/"); |
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strcat (path, DEFAULT_RELATIVE_PATH); |
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} |
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} |
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/* Create path if it doesn't exist */ |
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result = stat (path, &sbuf); |
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if (result != 0) |
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{ |
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const char *p0 = path; |
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const char *p1; |
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while (*p0 == '/') |
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p0++; |
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/* Try to create it with restrictive permissions */ |
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do |
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{ |
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p1 = strchr (p0, '/'); |
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if (p1 == NULL) |
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p1 = p0 + strlen (p0); |
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if (p1 != p0) |
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{ |
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char *path_part = strdup (path); |
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*(path_part + (p1 - path)) = '\0'; |
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mkdir (path_part, 0700); |
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} |
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p0 = p1 + 1; |
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} |
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while (*p1 != '\0'); |
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} |
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/* /etc/pki/nssdb */ |
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if (stat(system_path, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) |
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return system_path; |
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/* $HOME/.pki/nssdb */ |
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120 |
if (stat(path, &sbuf) == 0 && S_ISDIR (sbuf.st_mode)) |
0
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121 |
return path; |
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122 |
|
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123 |
free (path); |
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124 |
return NULL; |
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125 |
} |
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126 |
|
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127 |
SECStatus |
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128 |
nsshelp_open_db (const char *app_id, const char *old_path, PRUint32 flags) |
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129 |
{ |
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130 |
char *new_path; |
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131 |
char *sdb_path; |
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132 |
struct stat sbuf; |
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133 |
int result; |
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134 |
SECStatus rv; |
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PK11SlotInfo *slot; |
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secuPWData pwdata = { PW_NONE, 0 }; |
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137 |
|
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138 |
if (!getenv ("NSS_USE_SHARED_DB")) |
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139 |
{ |
1
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$HOME/.pki/nssdb is now considered automatically if /etc/pki/nssdb does not exist
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140 |
//fprintf (stderr, "*** nss-shared-helper: Shared database disabled (set NSS_USE_SHARED_DB to enable).\n"); |
0
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141 |
|
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rv = NSS_Initialize (old_path, |
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"", "", "secmod.db", |
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144 |
flags); |
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145 |
return rv; |
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146 |
} |
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147 |
|
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148 |
new_path = nsshelp_get_user_db_path (); |
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149 |
if (!new_path) |
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150 |
return SECFailure; |
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151 |
|
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152 |
fprintf (stderr, "*** nss-shared-helper: Using shared location %s\n", new_path); |
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153 |
sdb_path = PR_smprintf ("sql:%s", new_path); |
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154 |
|
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155 |
/* simple update (application does not care about the |
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156 |
* underlying state machine). */ |
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157 |
|
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158 |
/* STEP 1: Signal that update/merge may be needed */ |
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159 |
|
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160 |
rv = NSS_InitWithMerge (sdb_path, |
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161 |
"", "", "secmod.db", |
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162 |
old_path, "", "", |
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163 |
app_id, app_id /* prompt name */, |
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|
164 |
flags); |
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|
165 |
|
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166 |
if (rv == SECFailure) |
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|
167 |
{ |
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|
168 |
/* Don't migrate anything */ |
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169 |
|
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170 |
fprintf (stderr, "*** nss-shared-helper: NSS_InitWithMerge failed. Trying NSS_Initialize.\n"); |
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171 |
|
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172 |
rv = NSS_Initialize (sdb_path, |
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173 |
"", "", "secmod.db", |
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|
174 |
flags); |
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175 |
PR_smprintf_free (sdb_path); |
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|
176 |
|
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177 |
if (rv == SECFailure) |
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178 |
fprintf (stderr, "*** nss-shared-helper: NSS_Initialize failed.\n"); |
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|
179 |
|
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180 |
return rv; |
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|
181 |
} |
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|
182 |
|
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183 |
slot = PK11_GetInternalKeySlot(); |
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|
184 |
|
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|
185 |
/* Step 2: Determine if update/merge is needed. */ |
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|
186 |
|
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187 |
if (PK11_IsRemovable(slot)) |
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|
188 |
{ |
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|
189 |
/* need to update/Merge the database */ |
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|
190 |
|
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|
191 |
/* Step 3: Authenticate to the token */ |
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|
192 |
|
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|
193 |
rv = PK11_Authenticate(slot, PR_FALSE, &pwdata); |
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|
194 |
if (rv == SECSuccess) |
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|
195 |
{ |
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|
196 |
/* just update the state machine */ |
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|
197 |
|
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|
198 |
/* Step 4: */ |
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|
199 |
PK11_IsLoggedIn(slot, &pwdata); |
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|
200 |
/* Step 5: */ |
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|
201 |
PK11_IsPresent(slot); |
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|
202 |
|
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|
203 |
/* Step 6: */ |
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|
204 |
rv = PK11_Authenticate(slot, PR_FALSE, &pwdata); |
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|
205 |
if (rv != SECSuccess) |
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diff
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|
206 |
{ |
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|
207 |
fprintf (stderr, "*** nss-shared-helper: Second auth call failed: %u.\n", |
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|
208 |
PORT_GetError ()); |
262e1fb001a8
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|
209 |
} |
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|
210 |
} |
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|
211 |
else |
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|
212 |
{ |
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|
213 |
fprintf (stderr, "*** nss-shared-helper: First auth call failed: %u.\n", |
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|
214 |
PORT_GetError ()); |
262e1fb001a8
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|
215 |
} |
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|
216 |
} |
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|
217 |
|
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|
218 |
/* Step 7: NSS is initialized and (possibly) merged, start using it */ |
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|
219 |
|
262e1fb001a8
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|
220 |
PR_smprintf_free (sdb_path); |
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diff
changeset
|
221 |
return SECSuccess; |
262e1fb001a8
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diff
changeset
|
222 |
} |