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-rw-r--r--security/nss/cmd/signtool/zip.c676
1 files changed, 676 insertions, 0 deletions
diff --git a/security/nss/cmd/signtool/zip.c b/security/nss/cmd/signtool/zip.c
new file mode 100644
index 000000000..35d5f5733
--- /dev/null
+++ b/security/nss/cmd/signtool/zip.c
@@ -0,0 +1,676 @@
+/* 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/. */
+
+#include "signtool.h"
+#include "zip.h"
+#include "zlib.h"
+#include "prmem.h"
+
+static void inttox(int in, char *out);
+static void longtox(long in, char *out);
+
+/****************************************************************
+ *
+ * J z i p O p e n
+ *
+ * Opens a new ZIP file and creates a new ZIPfile structure to
+ * control the process of installing files into a zip.
+ */
+ZIPfile *
+JzipOpen(char *filename, char *comment)
+{
+ ZIPfile *zipfile;
+ PRExplodedTime prtime;
+
+ zipfile = PORT_ZAlloc(sizeof(ZIPfile));
+ if (!zipfile)
+ out_of_memory();
+
+ /* Construct time and date */
+ PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &prtime);
+ zipfile->date = ((prtime.tm_year - 1980) << 9) |
+ ((prtime.tm_month + 1) << 5) |
+ prtime.tm_mday;
+ zipfile->time = (prtime.tm_hour << 11) |
+ (prtime.tm_min << 5) |
+ (prtime.tm_sec & 0x3f);
+
+ zipfile->fp = NULL;
+ if (filename &&
+ (zipfile->fp = PR_Open(filename,
+ PR_WRONLY |
+ PR_CREATE_FILE |
+ PR_TRUNCATE,
+ 0777)) == NULL) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "%s: can't open output jar, %s.%s\n",
+ PROGRAM_NAME,
+ filename, nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ zipfile->list = NULL;
+ if (filename) {
+ zipfile->filename = PORT_ZAlloc(strlen(filename) + 1);
+ if (!zipfile->filename)
+ out_of_memory();
+ PORT_Strcpy(zipfile->filename, filename);
+ }
+ if (comment) {
+ zipfile->comment = PORT_ZAlloc(strlen(comment) + 1);
+ if (!zipfile->comment)
+ out_of_memory();
+ PORT_Strcpy(zipfile->comment, comment);
+ }
+
+ return zipfile;
+}
+
+static void *
+my_alloc_func(void *opaque, uInt items, uInt size)
+{
+ return PORT_Alloc(items * size);
+}
+
+static void
+my_free_func(void *opaque, void *address)
+{
+ PORT_Free(address);
+}
+
+static void
+handle_zerror(int err, char *msg)
+{
+ if (!msg) {
+ msg = "";
+ }
+
+ errorCount++; /* unless Z_OK...see below */
+
+ switch (err) {
+ case Z_OK:
+ PR_fprintf(errorFD, "No error: %s\n", msg);
+ errorCount--; /* this was incremented above */
+ break;
+ case Z_MEM_ERROR:
+ PR_fprintf(errorFD, "Deflation ran out of memory: %s\n", msg);
+ break;
+ case Z_STREAM_ERROR:
+ PR_fprintf(errorFD, "Invalid compression level: %s\n", msg);
+ break;
+ case Z_VERSION_ERROR:
+ PR_fprintf(errorFD, "Incompatible compression library version: %s\n",
+ msg);
+ break;
+ case Z_DATA_ERROR:
+ PR_fprintf(errorFD, "Compression data error: %s\n", msg);
+ break;
+ default:
+ PR_fprintf(errorFD, "Unknown error in compression library: %s\n", msg);
+ break;
+ }
+}
+
+/****************************************************************
+ *
+ * J z i p A d d
+ *
+ * Adds a new file into a ZIP file. The ZIP file must have already
+ * been opened with JzipOpen.
+ */
+int
+JzipAdd(char *fullname, char *filename, ZIPfile *zipfile, int compression_level)
+{
+ ZIPentry *entry;
+ PRFileDesc *readfp;
+ PRFileDesc *zipfp;
+ unsigned long crc;
+ unsigned long local_size_pos;
+ int num;
+ int err;
+ int deflate_percent;
+ z_stream zstream;
+ Bytef inbuf[BUFSIZ];
+ Bytef outbuf[BUFSIZ];
+
+ if (!fullname || !filename || !zipfile) {
+ return -1;
+ }
+
+ zipfp = zipfile->fp;
+ if (!zipfp)
+ return -1;
+
+ if ((readfp = PR_Open(fullname, PR_RDONLY, 0777)) == NULL) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "%s: %s\n", fullname, nsprErr ? nsprErr : "");
+ errorCount++;
+ if (nsprErr)
+ PR_Free(nsprErr);
+ exit(ERRX);
+ }
+
+ /*
+ * Make sure the input file is not the output file.
+ * Add a few bytes to the end of the JAR file and see if the input file
+ * twitches
+ */
+ {
+ PRInt32 endOfJar;
+ PRInt32 inputSize;
+ PRBool isSame;
+
+ inputSize = PR_Available(readfp);
+
+ endOfJar = PR_Seek(zipfp, 0L, PR_SEEK_CUR);
+
+ if (PR_Write(zipfp, "abcde", 5) < 5) {
+ char *nsprErr;
+
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing to zip file: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ isSame = (PR_Available(readfp) != inputSize);
+
+ PR_Seek(zipfp, endOfJar, PR_SEEK_SET);
+
+ if (isSame) {
+ /* It's the same file! Forget it! */
+ PR_Close(readfp);
+ return 0;
+ }
+ }
+
+ if (verbosity >= 0) {
+ PR_fprintf(outputFD, "adding %s to %s...", fullname, zipfile->filename);
+ }
+
+ entry = PORT_ZAlloc(sizeof(ZIPentry));
+ if (!entry)
+ out_of_memory();
+
+ entry->filename = PORT_Strdup(filename);
+ entry->comment = NULL;
+
+ /* Set up local file header */
+ longtox(LSIG, entry->local.signature);
+ inttox(strlen(filename), entry->local.filename_len);
+ inttox(zipfile->time, entry->local.time);
+ inttox(zipfile->date, entry->local.date);
+ inttox(Z_DEFLATED, entry->local.method);
+
+ /* Set up central directory entry */
+ longtox(CSIG, entry->central.signature);
+ inttox(strlen(filename), entry->central.filename_len);
+ if (entry->comment) {
+ inttox(strlen(entry->comment), entry->central.commentfield_len);
+ }
+ longtox(PR_Seek(zipfile->fp, 0, PR_SEEK_CUR),
+ entry->central.localhdr_offset);
+ inttox(zipfile->time, entry->central.time);
+ inttox(zipfile->date, entry->central.date);
+ inttox(Z_DEFLATED, entry->central.method);
+
+ /* Compute crc. Too bad we have to process the whole file to do this*/
+ crc = crc32(0L, NULL, 0);
+ while ((num = PR_Read(readfp, inbuf, BUFSIZ)) > 0) {
+ crc = crc32(crc, inbuf, num);
+ }
+ PR_Seek(readfp, 0L, PR_SEEK_SET);
+
+ /* Store CRC */
+ longtox(crc, entry->local.crc32);
+ longtox(crc, entry->central.crc32);
+
+ /* Stick this entry onto the end of the list */
+ entry->next = NULL;
+ if (zipfile->list == NULL) {
+ /* First entry */
+ zipfile->list = entry;
+ } else {
+ ZIPentry *pe;
+
+ pe = zipfile->list;
+ while (pe->next != NULL) {
+ pe = pe->next;
+ }
+ pe->next = entry;
+ }
+
+ /*
+ * Start writing stuff out
+ */
+
+ local_size_pos = PR_Seek(zipfp, 0, PR_SEEK_CUR) + 18;
+ /* File header */
+ if (PR_Write(zipfp, &entry->local, sizeof(struct ZipLocal)) <
+ sizeof(struct ZipLocal)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n", nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ /* File Name */
+ if (PR_Write(zipfp, filename, strlen(filename)) < strlen(filename)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n", nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ /*
+ * File data
+ */
+ /* Initialize zstream */
+ zstream.zalloc = my_alloc_func;
+ zstream.zfree = my_free_func;
+ zstream.opaque = NULL;
+ zstream.next_in = inbuf;
+ zstream.avail_in = BUFSIZ;
+ zstream.next_out = outbuf;
+ zstream.avail_out = BUFSIZ;
+ /* Setting the windowBits to -MAX_WBITS is an undocumented feature of
+ * zlib (see deflate.c in zlib). It is the same thing that Java does
+ * when you specify the nowrap option for deflation in java.util.zip.
+ * It causes zlib to leave out its headers and footers, which don't
+ * work in PKZIP files.
+ */
+ err = deflateInit2(&zstream, compression_level, Z_DEFLATED,
+ -MAX_WBITS, 8 /*default*/, Z_DEFAULT_STRATEGY);
+ if (err != Z_OK) {
+ handle_zerror(err, zstream.msg);
+ exit(ERRX);
+ }
+
+ while ((zstream.avail_in = PR_Read(readfp, inbuf, BUFSIZ)) > 0) {
+ zstream.next_in = inbuf;
+ /* Process this chunk of data */
+ while (zstream.avail_in > 0) {
+ err = deflate(&zstream, Z_NO_FLUSH);
+ if (err != Z_OK) {
+ handle_zerror(err, zstream.msg);
+ exit(ERRX);
+ }
+ if (zstream.avail_out <= 0) {
+ if (PR_Write(zipfp, outbuf, BUFSIZ) < BUFSIZ) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ zstream.next_out = outbuf;
+ zstream.avail_out = BUFSIZ;
+ }
+ }
+ }
+
+ /* Now flush everything */
+ while (1) {
+ err = deflate(&zstream, Z_FINISH);
+ if (err == Z_STREAM_END) {
+ break;
+ } else if (err == Z_OK) {
+ /* output buffer full, repeat */
+ } else {
+ handle_zerror(err, zstream.msg);
+ exit(ERRX);
+ }
+ if (PR_Write(zipfp, outbuf, BUFSIZ) < BUFSIZ) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ zstream.avail_out = BUFSIZ;
+ zstream.next_out = outbuf;
+ }
+
+ /* If there's any output left, write it out. */
+ if (zstream.next_out != outbuf) {
+ if (PR_Write(zipfp, outbuf, zstream.next_out - outbuf) <
+ zstream.next_out - outbuf) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ zstream.avail_out = BUFSIZ;
+ zstream.next_out = outbuf;
+ }
+
+ /* Now that we know the compressed size, write this to the headers */
+ longtox(zstream.total_in, entry->local.orglen);
+ longtox(zstream.total_out, entry->local.size);
+ if (PR_Seek(zipfp, local_size_pos, PR_SEEK_SET) == -1) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Accessing zip file: %s\n", nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ if (PR_Write(zipfp, entry->local.size, 8) != 8) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n", nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ if (PR_Seek(zipfp, 0L, PR_SEEK_END) == -1) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Accessing zip file: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ longtox(zstream.total_in, entry->central.orglen);
+ longtox(zstream.total_out, entry->central.size);
+
+ /* Close out the deflation operation */
+ err = deflateEnd(&zstream);
+ if (err != Z_OK) {
+ handle_zerror(err, zstream.msg);
+ exit(ERRX);
+ }
+
+ PR_Close(readfp);
+
+ if ((zstream.total_in > zstream.total_out) && (zstream.total_in > 0)) {
+ deflate_percent = (int)((zstream.total_in -
+ zstream.total_out) *
+ 100 / zstream.total_in);
+ } else {
+ deflate_percent = 0;
+ }
+ if (verbosity >= 0) {
+ PR_fprintf(outputFD, "(deflated %d%%)\n", deflate_percent);
+ }
+
+ return 0;
+}
+
+/********************************************************************
+ * J z i p C l o s e
+ *
+ * Finishes the ZipFile. ALSO DELETES THE ZIPFILE STRUCTURE PASSED IN!!
+ */
+int
+JzipClose(ZIPfile *zipfile)
+{
+ ZIPentry *pe, *dead;
+ PRFileDesc *zipfp;
+ struct ZipEnd zipend;
+ unsigned int entrycount = 0;
+
+ if (!zipfile) {
+ return -1;
+ }
+
+ if (!zipfile->filename) {
+ /* bogus */
+ return 0;
+ }
+
+ zipfp = zipfile->fp;
+ zipfile->central_start = PR_Seek(zipfp, 0L, PR_SEEK_CUR);
+
+ /* Write out all the central directories */
+ pe = zipfile->list;
+ while (pe) {
+ entrycount++;
+
+ /* Write central directory info */
+ if (PR_Write(zipfp, &pe->central, sizeof(struct ZipCentral)) <
+ sizeof(struct ZipCentral)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ /* Write filename */
+ if (PR_Write(zipfp, pe->filename, strlen(pe->filename)) <
+ strlen(pe->filename)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ /* Write file comment */
+ if (pe->comment) {
+ if (PR_Write(zipfp, pe->comment, strlen(pe->comment)) <
+ strlen(pe->comment)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ }
+
+ /* Delete the structure */
+ dead = pe;
+ pe = pe->next;
+ if (dead->filename) {
+ PORT_Free(dead->filename);
+ }
+ if (dead->comment) {
+ PORT_Free(dead->comment);
+ }
+ PORT_Free(dead);
+ }
+ zipfile->central_end = PR_Seek(zipfile->fp, 0L, PR_SEEK_CUR);
+
+ /* Create the ZipEnd structure */
+ PORT_Memset(&zipend, 0, sizeof(zipend));
+ longtox(ESIG, zipend.signature);
+ inttox(entrycount, zipend.total_entries_disk);
+ inttox(entrycount, zipend.total_entries_archive);
+ longtox(zipfile->central_end - zipfile->central_start,
+ zipend.central_dir_size);
+ longtox(zipfile->central_start, zipend.offset_central_dir);
+ if (zipfile->comment) {
+ inttox(strlen(zipfile->comment), zipend.commentfield_len);
+ }
+
+ /* Write out ZipEnd xtructure */
+ if (PR_Write(zipfp, &zipend, sizeof(zipend)) < sizeof(zipend)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+
+ /* Write out Zipfile comment */
+ if (zipfile->comment) {
+ if (PR_Write(zipfp, zipfile->comment, strlen(zipfile->comment)) <
+ strlen(zipfile->comment)) {
+ char *nsprErr;
+ if (PR_GetErrorTextLength()) {
+ nsprErr = PR_Malloc(PR_GetErrorTextLength() + 1);
+ PR_GetErrorText(nsprErr);
+ } else {
+ nsprErr = NULL;
+ }
+ PR_fprintf(errorFD, "Writing zip data: %s\n",
+ nsprErr ? nsprErr : "");
+ if (nsprErr)
+ PR_Free(nsprErr);
+ errorCount++;
+ exit(ERRX);
+ }
+ }
+
+ PR_Close(zipfp);
+
+ /* Free the memory of the zipfile structure */
+ if (zipfile->filename) {
+ PORT_Free(zipfile->filename);
+ }
+ if (zipfile->comment) {
+ PORT_Free(zipfile->comment);
+ }
+ PORT_Free(zipfile);
+
+ return 0;
+}
+
+/**********************************************
+ * i n t t o x
+ *
+ * Converts a two byte ugly endianed integer
+ * to our platform's integer.
+ *
+ */
+
+static void
+inttox(int in, char *out)
+{
+ out[0] = (in & 0xFF);
+ out[1] = (in & 0xFF00) >> 8;
+}
+
+/*********************************************
+ * l o n g t o x
+ *
+ * Converts a four byte ugly endianed integer
+ * to our platform's integer.
+ *
+ */
+
+static void
+longtox(long in, char *out)
+{
+ out[0] = (in & 0xFF);
+ out[1] = (in & 0xFF00) >> 8;
+ out[2] = (in & 0xFF0000) >> 16;
+ out[3] = (in & 0xFF000000) >> 24;
+}