/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is the Netscape security libraries. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1994-2000 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* * p7content -- A command to display pkcs7 content. * * $Id: p7content.c,v 1.12 2008/08/04 22:58:31 julien.pierre.boogz%sun.com Exp $ */ #include "nspr.h" #include "secutil.h" #include "plgetopt.h" #include "secpkcs7.h" #include "cert.h" #include "certdb.h" #include "nss.h" #include "pk11pub.h" #if defined(XP_UNIX) #include #endif #include #include #if (defined(XP_WIN) && !defined(WIN32)) || (defined(__sun) && !defined(SVR4)) extern int fwrite(char *, size_t, size_t, FILE*); extern int fprintf(FILE *, char *, ...); #endif static void Usage(char *progName) { fprintf(stderr, "Usage: %s [-d dbdir] [-i input] [-o output]\n", progName); fprintf(stderr, "%-20s Key/Cert database directory (default is ~/.netscape)\n", "-d dbdir"); fprintf(stderr, "%-20s Define an input file to use (default is stdin)\n", "-i input"); fprintf(stderr, "%-20s Define an output file to use (default is stdout)\n", "-o output"); exit(-1); } static PRBool saw_content; static secuPWData pwdata = { PW_NONE, 0 }; static void PrintBytes(void *arg, const char *buf, unsigned long len) { FILE *out; out = arg; fwrite (buf, len, 1, out); saw_content = PR_TRUE; } /* * XXX Someday we may want to do real policy stuff here. This allows * anything to be decrypted, which is okay for a test program but does * not set an example of how a real client with a real policy would * need to do it. */ static PRBool decryption_allowed(SECAlgorithmID *algid, PK11SymKey *key) { return PR_TRUE; } int DecodeAndPrintFile(FILE *out, PRFileDesc *in, char *progName) { SECItem derdata; SEC_PKCS7ContentInfo *cinfo = NULL; SEC_PKCS7DecoderContext *dcx; if (SECU_ReadDERFromFile(&derdata, in, PR_FALSE)) { SECU_PrintError(progName, "error converting der"); return -1; } fprintf(out, "Content printed between bars (newline added before second bar):"); fprintf(out, "\n---------------------------------------------\n"); saw_content = PR_FALSE; dcx = SEC_PKCS7DecoderStart(PrintBytes, out, NULL, &pwdata, NULL, NULL, decryption_allowed); if (dcx != NULL) { #if 0 /* Test that decoder works when data is really streaming in. */ { unsigned long i; for (i = 0; i < derdata.len; i++) SEC_PKCS7DecoderUpdate(dcx, derdata.data + i, 1); } #else SEC_PKCS7DecoderUpdate(dcx, (char *)derdata.data, derdata.len); #endif cinfo = SEC_PKCS7DecoderFinish(dcx); } fprintf(out, "\n---------------------------------------------\n"); if (cinfo == NULL) return -1; fprintf(out, "Content was%s encrypted.\n", SEC_PKCS7ContentIsEncrypted(cinfo) ? "" : " not"); if (SEC_PKCS7ContentIsSigned(cinfo)) { char *signer_cname, *signer_ename; SECItem *signing_time; if (saw_content) { fprintf(out, "Signature is "); PORT_SetError(0); if (SEC_PKCS7VerifySignature(cinfo, certUsageEmailSigner, PR_FALSE)) fprintf(out, "valid.\n"); else fprintf(out, "invalid (Reason: %s).\n", SECU_Strerror(PORT_GetError())); } else { fprintf(out, "Content is detached; signature cannot be verified.\n"); } signer_cname = SEC_PKCS7GetSignerCommonName(cinfo); if (signer_cname != NULL) { fprintf(out, "The signer's common name is %s\n", signer_cname); PORT_Free(signer_cname); } else { fprintf(out, "No signer common name.\n"); } signer_ename = SEC_PKCS7GetSignerEmailAddress(cinfo); if (signer_ename != NULL) { fprintf(out, "The signer's email address is %s\n", signer_ename); PORT_Free(signer_ename); } else { fprintf(out, "No signer email address.\n"); } signing_time = SEC_PKCS7GetSigningTime(cinfo); if (signing_time != NULL) { SECU_PrintTimeChoice(out, signing_time, "Signing time", 0); } else { fprintf(out, "No signing time included.\n"); } } else { fprintf(out, "Content was not signed.\n"); } fprintf(out, "There were%s certs or crls included.\n", SEC_PKCS7ContainsCertsOrCrls(cinfo) ? "" : " no"); SEC_PKCS7DestroyContentInfo(cinfo); return 0; } /* * Print the contents of a PKCS7 message, indicating signatures, etc. */ int main(int argc, char **argv) { char *progName; FILE *outFile; PRFileDesc *inFile; PLOptState *optstate; PLOptStatus status; SECStatus rv; progName = strrchr(argv[0], '/'); progName = progName ? progName+1 : argv[0]; inFile = NULL; outFile = NULL; /* * Parse command line arguments */ optstate = PL_CreateOptState(argc, argv, "d:i:o:p:f:"); while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) { switch (optstate->option) { case 'd': SECU_ConfigDirectory(optstate->value); break; case 'i': inFile = PR_Open(optstate->value, PR_RDONLY, 0); if (!inFile) { fprintf(stderr, "%s: unable to open \"%s\" for reading\n", progName, optstate->value); return -1; } break; case 'o': outFile = fopen(optstate->value, "w"); if (!outFile) { fprintf(stderr, "%s: unable to open \"%s\" for writing\n", progName, optstate->value); return -1; } break; case 'p': pwdata.source = PW_PLAINTEXT; pwdata.data = PORT_Strdup (optstate->value); break; case 'f': pwdata.source = PW_FROMFILE; pwdata.data = PORT_Strdup (optstate->value); break; default: Usage(progName); break; } } if (status == PL_OPT_BAD) Usage(progName); if (!inFile) inFile = PR_STDIN; if (!outFile) outFile = stdout; /* Call the initialization routines */ PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1); rv = NSS_Init(SECU_ConfigDirectory(NULL)); if (rv != SECSuccess) { SECU_PrintPRandOSError(progName); return -1; } PK11_SetPasswordFunc(SECU_GetModulePassword); if (DecodeAndPrintFile(outFile, inFile, progName)) { SECU_PrintError(progName, "problem decoding data"); return -1; } if (NSS_Shutdown() != SECSuccess) { exit(1); } return 0; }