verify.c
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:9k
- /*
- * 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 Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- #include "signtool.h"
- static int jar_cb(int status, JAR *jar, const char *metafile,
- char *pathname, char *errortext);
- static int verify_global (JAR *jar);
- /*************************************************************************
- *
- * V e r i f y J a r
- */
- int
- VerifyJar(char *filename)
- {
- FILE *fp;
- int ret;
- int status;
- char *err;
- JAR *jar;
- JAR_Context *ctx;
- JAR_Item *it;
- jar = JAR_new();
- if ((fp = fopen (filename, "r")) == NULL)
- {
- perror (filename);
- exit (ERRX);
- }
- else
- fclose (fp);
- JAR_set_callback (JAR_CB_SIGNAL, jar, jar_cb);
- status = JAR_pass_archive (jar, jarArchGuess, filename, "some-url");
- if (status < 0 || jar->valid < 0)
- {
- PR_fprintf(outputFD, "nNOTE -- "%s" archive DID NOT PASS crypto verification.n", filename);
- if (status < 0)
- {
- char *errtext;
- if (status >= JAR_BASE && status <= JAR_BASE_END)
- {
- errtext = JAR_get_error (status);
- }
- else
- {
- errtext = SECU_ErrorString ((int16) PORT_GetError());
- }
- PR_fprintf(outputFD, " (reported reason: %s)nn", errtext);
-
- /* corrupt files should not have their contents listed */
- if (status == JAR_ERR_CORRUPT)
- return status;
- }
- PR_fprintf(outputFD,
- "entries shown below will have their digests checked only.n");
- jar->valid = 0;
- }
- else
- PR_fprintf(outputFD,
- "archive "%s" has passed crypto verification.n", filename);
- verify_global (jar);
- PR_fprintf(outputFD, "n");
- PR_fprintf(outputFD, "%16s %sn", "status", "path");
- PR_fprintf(outputFD, "%16s %sn", "------------", "-------------------");
- ctx = JAR_find (jar, NULL, jarTypeMF);
- while (JAR_find_next (ctx, &it) >= 0)
- {
- if (it && it->pathname)
- {
- rm_dash_r(TMP_OUTPUT);
- ret = JAR_verified_extract (jar, it->pathname, TMP_OUTPUT);
- /* if (ret < 0) printf ("error %d on %sn", ret, it->pathname); */
- if (ret == JAR_ERR_PNF)
- err = "NOT PRESENT";
- else if (ret == JAR_ERR_HASH)
- err = "HASH FAILED";
- else
- err = "NOT VERIFIED";
- PR_fprintf(outputFD, "%16s %sn",
- ret >= 0 ? "verified" : err, it->pathname);
- if (ret != 0 && ret != JAR_ERR_PNF && ret != JAR_ERR_HASH)
- PR_fprintf(outputFD, " (reason: %s)n", JAR_get_error (ret));
- }
- }
- JAR_find_end (ctx);
- if (status < 0 || jar->valid < 0)
- {
- PR_fprintf(outputFD,
- "nNOTE -- "%s" archive DID NOT PASS crypto verification.n", filename);
- give_help (status);
- }
- JAR_destroy (jar);
- return 0;
- }
- /***************************************************************************
- *
- * v e r i f y _ g l o b a l
- */
- static int
- verify_global (JAR *jar)
- {
- FILE *fp;
- JAR_Context *ctx;
- char *ext;
- JAR_Item *it;
- JAR_Digest *globaldig;
- unsigned int sha1_length, md5_length;
- char buf [BUFSIZ];
- unsigned char *md5_digest, *sha1_digest;
- ctx = JAR_find (jar, "*", jarTypePhy);
- while (JAR_find_next (ctx, &it) >= 0) {
- if (!PORT_Strncmp (it->pathname, "META-INF", 8)) {
- for (ext = it->pathname; *ext; ext++);
- while (ext > it->pathname && *ext != '.') ext--;
- if(verbosity >= 0) {
- if (!PORT_Strcasecmp (ext, ".rsa")) {
- PR_fprintf(outputFD, "found a RSA signature file: %sn",
- it->pathname);
- }
- if(!PORT_Strcasecmp (ext, ".dsa")) {
- PR_fprintf(outputFD, "found a DSA signature file: %sn",
- it->pathname);
- }
- if (!PORT_Strcasecmp (ext, ".mf")) {
- PR_fprintf(outputFD,
- "found a MF master manifest file: %sn", it->pathname);
- }
- }
- if (!PORT_Strcasecmp (ext, ".sf")) {
- if(verbosity >= 0) {
- PR_fprintf(outputFD,
- "found a SF signature manifest file: %sn", it->pathname);
- }
- rm_dash_r(TMP_OUTPUT);
- if (JAR_extract (jar, it->pathname, TMP_OUTPUT) < 0) {
- PR_fprintf(errorFD, "%s: error extracting %sn", PROGRAM_NAME,
- it->pathname);
- errorCount++;
- continue;
- }
- md5_digest = NULL;
- sha1_digest = NULL;
- if ((fp = fopen (TMP_OUTPUT, "rb")) != NULL) {
- while (fgets (buf, BUFSIZ, fp)) {
- char *s;
- if (*buf == 0 || *buf == 'n' || *buf == 'r') break;
- for (s = buf; *s && *s != 'n' && *s != 'r'; s++);
- *s = 0;
- if (!PORT_Strncmp (buf, "MD5-Digest: ", 12)) {
- md5_digest = ATOB_AsciiToData (buf + 12, &md5_length);
- }
- if (!PORT_Strncmp (buf, "SHA1-Digest: ", 13)) {
- sha1_digest = ATOB_AsciiToData (buf + 13, &sha1_length);
- }
- if (!PORT_Strncmp (buf, "SHA-Digest: ", 12)) {
- sha1_digest = ATOB_AsciiToData (buf + 12, &sha1_length);
- }
- }
- globaldig = jar->globalmeta;
- if (globaldig && md5_digest) {
- if(verbosity >= 0) {
- PR_fprintf(outputFD,
- " md5 digest on global metainfo: %sn",
- PORT_Memcmp (md5_digest, globaldig->md5, MD5_LENGTH) ?
- "no match" : "match");
- }
- }
- if (globaldig && sha1_digest) {
- if(verbosity >= 0) {
- PR_fprintf(outputFD,
- " sha digest on global metainfo: %sn",
- PORT_Memcmp(sha1_digest, globaldig->sha1,
- SHA1_LENGTH) ? "no match" : "match");
- }
- }
- if (globaldig == NULL) {
- if(verbosity >= 0) {
- PR_fprintf(outputFD,
- "global metadigest is not available, strange.n");
- }
- }
- fclose (fp);
- }
- }
- }
- }
- JAR_find_end (ctx);
- return 0;
- }
- /************************************************************************
- *
- * J a r W h o
- */
- void
- JarWho(char *filename)
- {
- FILE *fp;
- JAR *jar;
- JAR_Context *ctx;
- int status;
- JAR_Item *it;
- JAR_Cert *fing;
- CERTCertificate *cert, *prev = NULL;
- jar = JAR_new();
- if ((fp = fopen (filename, "r")) == NULL)
- {
- perror (filename);
- exit (ERRX);
- }
- else
- fclose (fp);
- status = JAR_pass_archive (jar, jarArchGuess, filename, "some-url");
- if (status < 0 || jar->valid < 0)
- {
- PR_fprintf(outputFD,
- "NOTE -- "%s" archive DID NOT PASS crypto verification.n", filename);
- if (jar->valid < 0 || status != -1)
- {
- char *errtext;
- if (status >= JAR_BASE && status <= JAR_BASE_END)
- {
- errtext = JAR_get_error (status);
- }
- else
- {
- errtext = SECU_ErrorString ((int16) PORT_GetError());
- }
- PR_fprintf(outputFD, " (reported reason: %s)nn", errtext);
- }
- }
- PR_fprintf(outputFD, "nSigner information:nn");
- ctx = JAR_find (jar, NULL, jarTypeSign);
- while (JAR_find_next (ctx, &it) >= 0)
- {
- fing = (JAR_Cert *) it->data;
- cert = fing->cert;
- if (cert)
- {
- if (prev == cert)
- break;
- if (cert->nickname)
- PR_fprintf(outputFD, "nickname: %sn", cert->nickname);
- if (cert->subjectName)
- PR_fprintf(outputFD, "subject name: %sn", cert->subjectName);
- if (cert->issuerName)
- PR_fprintf(outputFD, "issuer name: %sn", cert->issuerName);
- }
- else
- PR_fprintf(outputFD, "no certificate could be foundn");
- prev = cert;
- }
- JAR_find_end (ctx);
- JAR_destroy (jar);
- }
- /************************************************************************
- * j a r _ c b
- */
- static int jar_cb(int status, JAR *jar, const char *metafile,
- char *pathname, char *errortext)
- {
- PR_fprintf(errorFD, "error %d: %s IN FILE %sn", status, errortext, pathname);
- errorCount++;
- return 0;
- }