Add m-esr52 at 52.6.0

1 files changed, 250 insertions, 0 deletions

diff --git a/security/nss/lib/jar/jarsign.c b/security/nss/lib/jar/jarsign.c
new file mode 100644
index 000000000..601a7fd04
--- /dev/null
+++ b/security/nss/lib/jar/jarsign.c
@@ -0,0 +1,250 @@
+/* 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/. */
+
+/*
+ *  JARSIGN
+ *
+ *  Routines used in signing archives.
+ */
+
+#include "jar.h"
+#include "jarint.h"
+#include "secpkcs7.h"
+#include "pk11func.h"
+#include "sechash.h"
+
+/* from libevent.h */
+typedef void (*ETVoidPtrFunc)(void *data);
+
+/* key database wrapper */
+/* static SECKEYKeyDBHandle *jar_open_key_database (void); */
+/* CHUNQ is our bite size */
+
+#define CHUNQ 64000
+#define FILECHUNQ 32768
+
+/*
+ *  J A R _ c a l c u l a t e _ d i g e s t
+ *
+ *  Quick calculation of a digest for
+ *  the specified block of memory. Will calculate
+ *  for all supported algorithms, now MD5.
+ *
+ *  This version supports huge pointers for WIN16.
+ *
+ */
+JAR_Digest *PR_CALLBACK
+JAR_calculate_digest(void *data, long length)
+{
+    PK11Context *md5 = 0;
+    PK11Context *sha1 = 0;
+    JAR_Digest *dig = PORT_ZNew(JAR_Digest);
+    long chunq;
+    unsigned int md5_length, sha1_length;
+
+    if (dig == NULL) {
+        /* out of memory allocating digest */
+        return NULL;
+    }
+
+    md5 = PK11_CreateDigestContext(SEC_OID_MD5);
+    if (md5 == NULL) {
+        PORT_ZFree(dig, sizeof(JAR_Digest));
+        return NULL;
+    }
+    sha1 = PK11_CreateDigestContext(SEC_OID_SHA1);
+    if (sha1 == NULL) {
+        PK11_DestroyContext(md5, PR_TRUE);
+        /* added due to bug Bug 1250214 - prevent the 2nd memory leak */
+        PORT_ZFree(dig, sizeof(JAR_Digest));
+        return NULL;
+    }
+
+    if (length >= 0) {
+        PK11_DigestBegin(md5);
+        PK11_DigestBegin(sha1);
+
+        do {
+            chunq = length;
+
+            PK11_DigestOp(md5, (unsigned char *)data, chunq);
+            PK11_DigestOp(sha1, (unsigned char *)data, chunq);
+            length -= chunq;
+            data = ((char *)data + chunq);
+        } while (length > 0);
+
+        PK11_DigestFinal(md5, dig->md5, &md5_length, MD5_LENGTH);
+        PK11_DigestFinal(sha1, dig->sha1, &sha1_length, SHA1_LENGTH);
+
+        PK11_DestroyContext(md5, PR_TRUE);
+        PK11_DestroyContext(sha1, PR_TRUE);
+    }
+    return dig;
+}
+
+/*
+ *  J A R _ d i g e s t _ f i l e
+ *
+ *  Calculates the MD5 and SHA1 digests for a file
+ *  present on disk, and returns these in JAR_Digest struct.
+ *
+ */
+int
+JAR_digest_file(char *filename, JAR_Digest *dig)
+{
+    JAR_FILE fp;
+    PK11Context *md5 = 0;
+    PK11Context *sha1 = 0;
+    unsigned char *buf = (unsigned char *)PORT_ZAlloc(FILECHUNQ);
+    int num;
+    unsigned int md5_length, sha1_length;
+
+    if (buf == NULL) {
+        /* out of memory */
+        return JAR_ERR_MEMORY;
+    }
+
+    if ((fp = JAR_FOPEN(filename, "rb")) == 0) {
+        /* perror (filename); FIX XXX XXX XXX XXX XXX XXX */
+        PORT_Free(buf);
+        return JAR_ERR_FNF;
+    }
+
+    md5 = PK11_CreateDigestContext(SEC_OID_MD5);
+    sha1 = PK11_CreateDigestContext(SEC_OID_SHA1);
+
+    if (md5 == NULL || sha1 == NULL) {
+        if (md5) {
+            PK11_DestroyContext(md5, PR_TRUE);
+        }
+        if (sha1) {
+            PK11_DestroyContext(sha1, PR_TRUE);
+        }
+        /* can't generate digest contexts */
+        PORT_Free(buf);
+        JAR_FCLOSE(fp);
+        return JAR_ERR_GENERAL;
+    }
+
+    PK11_DigestBegin(md5);
+    PK11_DigestBegin(sha1);
+
+    while (1) {
+        if ((num = JAR_FREAD(fp, buf, FILECHUNQ)) == 0)
+            break;
+
+        PK11_DigestOp(md5, buf, num);
+        PK11_DigestOp(sha1, buf, num);
+    }
+
+    PK11_DigestFinal(md5, dig->md5, &md5_length, MD5_LENGTH);
+    PK11_DigestFinal(sha1, dig->sha1, &sha1_length, SHA1_LENGTH);
+
+    PK11_DestroyContext(md5, PR_TRUE);
+    PK11_DestroyContext(sha1, PR_TRUE);
+
+    PORT_Free(buf);
+    JAR_FCLOSE(fp);
+
+    return 0;
+}
+
+/*
+ *  J A R _ o p e n _ k e y _ d a t a b a s e
+ *
+ */
+
+void *
+jar_open_key_database(void)
+{
+    return NULL;
+}
+
+int
+jar_close_key_database(void *keydb)
+{
+    /* We never do close it */
+    return 0;
+}
+
+/*
+ *  j a r _ c r e a t e _ p k 7
+ *
+ */
+
+static void
+jar_pk7_out(void *arg, const char *buf, unsigned long len)
+{
+    JAR_FWRITE((JAR_FILE)arg, buf, len);
+}
+
+int
+jar_create_pk7(CERTCertDBHandle *certdb, void *keydb, CERTCertificate *cert,
+               char *password, JAR_FILE infp, JAR_FILE outfp)
+{
+    SEC_PKCS7ContentInfo *cinfo;
+    const SECHashObject *hashObj;
+    void *mw = NULL;
+    void *hashcx;
+    unsigned int len;
+    int status = 0;
+    SECStatus rv;
+    SECItem digest;
+    unsigned char digestdata[32];
+    unsigned char buffer[4096];
+
+    if (outfp == NULL || infp == NULL || cert == NULL)
+        return JAR_ERR_GENERAL;
+
+    /* we sign with SHA */
+    hashObj = HASH_GetHashObject(HASH_AlgSHA1);
+
+    hashcx = (*hashObj->create)();
+    if (hashcx == NULL)
+        return JAR_ERR_GENERAL;
+
+    (*hashObj->begin)(hashcx);
+    while (1) {
+        int nb = JAR_FREAD(infp, buffer, sizeof buffer);
+        if (nb == 0) { /* eof */
+            break;
+        }
+        (*hashObj->update)(hashcx, buffer, nb);
+    }
+    (*hashObj->end)(hashcx, digestdata, &len, 32);
+    (*hashObj->destroy)(hashcx, PR_TRUE);
+
+    digest.data = digestdata;
+    digest.len = len;
+
+    /* signtool must use any old context it can find since it's
+       calling from inside javaland. */
+    PORT_SetError(0);
+    cinfo = SEC_PKCS7CreateSignedData(cert, certUsageObjectSigner, NULL,
+                                      SEC_OID_SHA1, &digest, NULL, mw);
+    if (cinfo == NULL)
+        return JAR_ERR_PK7;
+
+    rv = SEC_PKCS7IncludeCertChain(cinfo, NULL);
+    if (rv != SECSuccess) {
+        status = PORT_GetError();
+        SEC_PKCS7DestroyContentInfo(cinfo);
+        return status;
+    }
+
+    /* Having this here forces signtool to always include signing time. */
+    rv = SEC_PKCS7AddSigningTime(cinfo);
+    /* don't check error */
+    PORT_SetError(0);
+
+    /* if calling from mozilla thread*/
+    rv = SEC_PKCS7Encode(cinfo, jar_pk7_out, outfp, NULL, NULL, mw);
+    if (rv != SECSuccess)
+        status = PORT_GetError();
+    SEC_PKCS7DestroyContentInfo(cinfo);
+    if (rv != SECSuccess) {
+        return ((status < 0) ? status : JAR_ERR_GENERAL);
+    }
+    return 0;
+}