zlib 1.2.0.1v1.2.0.1

1 files changed, 160 insertions, 70 deletions

diff --git a/contrib/minizip/minizip.c b/contrib/minizip/minizip.c
index 5e492d2..5792a1e 100644
--- a/contrib/minizip/minizip.c
+++ b/contrib/minizip/minizip.c
@@ -17,6 +17,12 @@
 
 #include "zip.h"
 
+#ifdef WIN32
+#define USEWIN32IOAPI
+#include "iowin32.h"
+#endif
+
+
 
 #define WRITEBUFFERSIZE (16384)
 #define MAXFILENAME (256)
@@ -55,12 +61,16 @@ uLong filetime(f, tmzip, dt)
   struct stat s;        /* results of stat() */
   struct tm* filedate;
   time_t tm_t=0;
-  
+
   if (strcmp(f,"-")!=0)
   {
-    char name[MAXFILENAME];
+    char name[MAXFILENAME+1];
     int len = strlen(f);
-    strcpy(name, f);
+
+    strncpy(name, f,MAXFILENAME-1);
+    /* strncpy doesnt append the trailing NULL, of the string is too long. */
+    name[ MAXFILENAME ] = '\0';
+
     if (name[len - 1] == '/')
       name[len - 1] = '\0';
     /* not all systems allow stat'ing a file with / appended */
@@ -98,10 +108,10 @@ uLong filetime(f, tmzip, dt)
 int check_exist_file(filename)
     const char* filename;
 {
-        FILE* ftestexist;
+    FILE* ftestexist;
     int ret = 1;
-        ftestexist = fopen(filename,"rb");
-        if (ftestexist==NULL)
+    ftestexist = fopen(filename,"rb");
+    if (ftestexist==NULL)
         ret = 0;
     else
         fclose(ftestexist);
@@ -110,59 +120,107 @@ int check_exist_file(filename)
 
 void do_banner()
 {
-        printf("MiniZip 0.15, demo of zLib + Zip package written by Gilles Vollant\n");
-        printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");
+    printf("MiniZip 0.15, demo of zLib + Zip package written by Gilles Vollant\n");
+    printf("more info at http://www.winimage.com/zLibDll/unzip.html\n\n");
 }
 
 void do_help()
-{       
-        printf("Usage : minizip [-o] file.zip [files_to_add]\n\n") ;
+{
+    printf("Usage : minizip [-o] file.zip [files_to_add]\n\n") ;
+}
+
+/* calculate the CRC32 of a file,
+   because to encrypt a file, we need known the CRC32 of the file before */
+int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigned long* result_crc)
+{
+   unsigned long calculate_crc=0;
+   int err=ZIP_OK;
+   FILE * fin = fopen(filenameinzip,"rb");
+   unsigned long size_read = 0;
+   unsigned long total_read = 0;
+   if (fin==NULL)
+   {
+       err = ZIP_ERRNO;
+   }
+
+    if (err == ZIP_OK)
+        do
+        {
+            err = ZIP_OK;
+            size_read = (int)fread(buf,1,size_buf,fin);
+            if (size_read < size_buf)
+                if (feof(fin)==0)
+            {
+                printf("error in reading %s\n",filenameinzip);
+                err = ZIP_ERRNO;
+            }
+
+            if (size_read>0)
+                calculate_crc = crc32(calculate_crc,buf,size_read);
+            total_read += size_read;
+
+        } while ((err == ZIP_OK) && (size_read>0));
+
+    if (fin)
+        fclose(fin);
+
+    *result_crc=calculate_crc;
+    printf("file %s crc %x\n",filenameinzip,calculate_crc);
+    return err;
 }
 
 int main(argc,argv)
-        int argc;
-        char *argv[];
+    int argc;
+    char *argv[];
 {
-        int i;
-        int opt_overwrite=0;
+    int i;
+    int opt_overwrite=0;
     int opt_compress_level=Z_DEFAULT_COMPRESSION;
     int zipfilenamearg = 0;
-        char filename_try[MAXFILENAME];
+    char filename_try[MAXFILENAME+16];
     int zipok;
     int err=0;
     int size_buf=0;
-    void* buf=NULL,
+    void* buf=NULL;
+    const char* password=NULL;
 
 
-        do_banner();
-        if (argc==1)
-        {
-                do_help();
-                exit(0);
+    do_banner();
+    if (argc==1)
+    {
+        do_help();
         return 0;
-        }
-        else
-        {
-                for (i=1;i<argc;i++)
-                {
-                        if ((*argv[i])=='-')
-                        {
-                                const char *p=argv[i]+1;
-                                
-                                while ((*p)!='\0')
-                                {                       
-                                        char c=*(p++);;
-                                        if ((c=='o') || (c=='O'))
-                                                opt_overwrite = 1;
+    }
+    else
+    {
+        for (i=1;i<argc;i++)
+        {
+            if ((*argv[i])=='-')
+            {
+                const char *p=argv[i]+1;
+
+                while ((*p)!='\0')
+                {
+                    char c=*(p++);;
+                    if ((c=='o') || (c=='O'))
+                        opt_overwrite = 1;
+                    if ((c=='a') || (c=='A'))
+                        opt_overwrite = 2;
                     if ((c>='0') && (c<='9'))
                         opt_compress_level = c-'0';
-                                }
-                        }
-                        else
-                                if (zipfilenamearg == 0)
+
+                    if (((c=='p') || (c=='P')) && (i+1<argc))
+                    {
+                        password=argv[i+1];
+                        i++;
+                    }
+                }
+            }
+            else
+                if (zipfilenamearg == 0)
                     zipfilenamearg = i ;
-                }
-        }
+        }
+    }
 
     size_buf = WRITEBUFFERSIZE;
     buf = (void*)malloc(size_buf);
@@ -172,16 +230,19 @@ int main(argc,argv)
         return ZIP_INTERNALERROR;
     }
 
-        if (zipfilenamearg==0)
+    if (zipfilenamearg==0)
         zipok=0;
     else
-        {
+    {
         int i,len;
         int dot_found=0;
 
         zipok = 1 ;
-                strcpy(filename_try,argv[zipfilenamearg]);
-        len=strlen(filename_try);
+        strncpy(filename_try, argv[zipfilenamearg],MAXFILENAME-1);
+        /* strncpy doesnt append the trailing NULL, of the string is too long. */
+        filename_try[ MAXFILENAME ] = '\0';
+
+        len=(int)strlen(filename_try);
         for (i=0;i<len;i++)
             if (filename_try[i]=='.')
                 dot_found=1;
@@ -189,36 +250,52 @@ int main(argc,argv)
         if (dot_found==0)
             strcat(filename_try,".zip");
 
+        if (opt_overwrite==2)
+        {
+            /* if the file don't exist, we not append file */
+            if (check_exist_file(filename_try)==0)
+                opt_overwrite=1;
+        }
+        else
         if (opt_overwrite==0)
             if (check_exist_file(filename_try)!=0)
-                        {
-                char rep;
-                                do
-                                {
-                                        char answer[128];
-                                        printf("The file %s exist. Overwrite ? [y]es, [n]o : ",filename_try);
-                                        scanf("%1s",answer);
-                                        rep = answer[0] ;
-                                        if ((rep>='a') && (rep<='z'))
-                                                rep -= 0x20;
-                                }
-                                while ((rep!='Y') && (rep!='N'));
+            {
+                char rep=0;
+                do
+                {
+                    char answer[128];
+                    printf("The file %s exist. Overwrite ? [y]es, [n]o, [a]ppend : ",filename_try);
+                    scanf("%1s",answer);
+                    rep = answer[0] ;
+                    if ((rep>='a') && (rep<='z'))
+                        rep -= 0x20;
+                }
+                while ((rep!='Y') && (rep!='N') && (rep!='A'));
                 if (rep=='N')
                     zipok = 0;
-                        }
+                if (rep=='A')
+                    opt_overwrite = 2;
+            }
     }
 
     if (zipok==1)
     {
         zipFile zf;
         int errclose;
-        zf = zipOpen(filename_try,0);
+        #ifdef USEWIN32IOAPI
+        zlib_filefunc_def ffunc;
+        fill_win32_filefunc(&ffunc);
+        zf = zipOpen2(filename_try,(opt_overwrite==2) ? 2 : 0,NULL,&ffunc);
+        #else
+        zf = zipOpen(filename_try,(opt_overwrite==2) ? 2 : 0);
+        #endif
+
         if (zf == NULL)
         {
             printf("error opening %s\n",filename_try);
             err= ZIP_ERRNO;
         }
-        else 
+        else
             printf("creating %s\n",filename_try);
 
         for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
@@ -229,19 +306,31 @@ int main(argc,argv)
                 int size_read;
                 const char* filenameinzip = argv[i];
                 zip_fileinfo zi;
+                unsigned long crcFile=0;
 
-                zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour = 
-                zi.tmz_date.tm_mday = zi.tmz_date.tm_min = zi.tmz_date.tm_year = 0;
+                zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
+                zi.tmz_date.tm_mday = zi.tmz_date.tm_mon = zi.tmz_date.tm_year = 0;
                 zi.dosDate = 0;
                 zi.internal_fa = 0;
                 zi.external_fa = 0;
                 filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
 
-
+/*
                 err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
-                                 NULL,0,NULL,0,NULL /* comment*/,
+                                 NULL,0,NULL,0,NULL / * comment * /,
                                  (opt_compress_level != 0) ? Z_DEFLATED : 0,
                                  opt_compress_level);
+*/
+                if ((password != NULL) && (err==ZIP_OK))
+                    err = getFileCrc(filenameinzip,buf,size_buf,&crcFile);
+
+                err = zipOpenNewFileInZip3(zf,filenameinzip,&zi,
+                                 NULL,0,NULL,0,NULL /* comment*/,
+                                 (opt_compress_level != 0) ? Z_DEFLATED : 0,
+                                 opt_compress_level,0,
+                                 /* -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, */
+                                 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
+                                 password,crcFile);
 
                 if (err != ZIP_OK)
                     printf("error in opening %s in zipfile\n",filenameinzip);
@@ -259,7 +348,7 @@ int main(argc,argv)
                     do
                     {
                         err = ZIP_OK;
-                        size_read = fread(buf,1,size_buf,fin);
+                        size_read = (int)fread(buf,1,size_buf,fin);
                         if (size_read < size_buf)
                             if (feof(fin)==0)
                         {
@@ -275,15 +364,17 @@ int main(argc,argv)
                                 printf("error in writing %s in the zipfile\n",
                                                  filenameinzip);
                             }
-                                
+
                         }
                     } while ((err == ZIP_OK) && (size_read>0));
 
-                fclose(fin);
+                if (fin)
+                    fclose(fin);
+
                 if (err<0)
                     err=ZIP_ERRNO;
                 else
-                {                    
+                {
                     err = zipCloseFileInZip(zf);
                     if (err!=ZIP_OK)
                         printf("error in closing %s in the zipfile\n",
@@ -297,6 +388,5 @@ int main(argc,argv)
    }
 
     free(buf);
-    exit(0);
-        return 0;  /* to avoid warning */
+    return 0;
 }