Add m-esr52 at 52.6.0

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;
+}