Activate scanning on compressed pages through zlib USE flag (#127917).

(Portage version: 2.0.54)

5 files changed, 624 insertions, 11 deletions

diff --git a/net-proxy/privoxy/ChangeLog b/net-proxy/privoxy/ChangeLog
index f7076a57ced0..ced752604849 100644
--- a/net-proxy/privoxy/ChangeLog
+++ b/net-proxy/privoxy/ChangeLog
@@ -1,6 +1,13 @@
 # ChangeLog for net-proxy/privoxy
 # Copyright 2002-2006 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/net-proxy/privoxy/ChangeLog,v 1.6 2006/01/12 18:35:56 cryos Exp $
+# $Header: /var/cvsroot/gentoo-x86/net-proxy/privoxy/ChangeLog,v 1.7 2006/03/30 16:40:07 mrness Exp $
+
+*privoxy-3.0.3-r4 (30 Mar 2006)
+
+  30 Mar 2006; Alin Nastac <mrness@gentoo.org>
+  +files/privoxy-3.0.3-zlib.patch, +privoxy-3.0.3-r4.ebuild:
+  Activate scanning on compressed pages through zlib USE flag.
+  Thanks goes to Georg Sauthoff <g_sauthoff@web.de> (#127917).
 
   12 Jan 2006; Marcus D. Hanwell <cryos@gentoo.org> privoxy-3.0.3-r3.ebuild:
   Stable on amd64.
diff --git a/net-proxy/privoxy/Manifest b/net-proxy/privoxy/Manifest
index 98507414bf80..78b8880753a9 100644
--- a/net-proxy/privoxy/Manifest
+++ b/net-proxy/privoxy/Manifest
@@ -1,17 +1,10 @@
------BEGIN PGP SIGNED MESSAGE-----
-Hash: SHA1
-
 MD5 8324e2af98dbf1b21c11b76793e3a654 ChangeLog 5684
 MD5 56d88e9a6970c67adde3386b83dcb2ae files/digest-privoxy-3.0.3-r3 77
+MD5 56d88e9a6970c67adde3386b83dcb2ae files/digest-privoxy-3.0.3-r4 77
+MD5 b35f03c7c5b207f9c216f8a66978bac0 files/privoxy-3.0.3-zlib.patch 18288
 MD5 199b985be5ba80912fdd3bf5776e697f files/privoxy-zlib.patch 17945
 MD5 f2b6a652dbfbc65e5b89024a8ea3da7e files/privoxy.logrotate 191
 MD5 2a366b72a6ff8d6d01cf0bef2ac71f0a files/privoxy.rc7 579
 MD5 a31f52e5785898edac47ca00310413e2 metadata.xml 291
 MD5 116b629d35a9c45ff430fbbda3f46b51 privoxy-3.0.3-r3.ebuild 2355
------BEGIN PGP SIGNATURE-----
-Version: GnuPG v1.4.2.1 (GNU/Linux)
-
-iD8DBQFEDKPNjG8pv1lIUX4RAnzZAKCOHPOLEnIztA1cLtpCMhvYJgdgVwCg37Dc
-6/oG2ToqMHEkFR5+J76xjYo=
-=sW5v
------END PGP SIGNATURE-----
+MD5 f988dcdb9052ee1088906c45f8508e42 privoxy-3.0.3-r4.ebuild 2418
diff --git a/net-proxy/privoxy/files/digest-privoxy-3.0.3-r4 b/net-proxy/privoxy/files/digest-privoxy-3.0.3-r4
new file mode 100644
index 000000000000..8293b5fba301
--- /dev/null
+++ b/net-proxy/privoxy/files/digest-privoxy-3.0.3-r4
@@ -0,0 +1 @@
+MD5 b0710be8af09409bfb03f52523a17010 privoxy-3.0.3-stable-src.tar.gz 1561072
diff --git a/net-proxy/privoxy/files/privoxy-3.0.3-zlib.patch b/net-proxy/privoxy/files/privoxy-3.0.3-zlib.patch
new file mode 100644
index 000000000000..00ba739ac127
--- /dev/null
+++ b/net-proxy/privoxy/files/privoxy-3.0.3-zlib.patch
@@ -0,0 +1,517 @@
+diff -Nru privoxy-3.0.3-stable.orig/actionlist.h privoxy-3.0.3-stable/actionlist.h
+--- privoxy-3.0.3-stable.orig/actionlist.h	2002-09-25 18:25:25.000000000 +0300
++++ privoxy-3.0.3-stable/actionlist.h	2006-03-29 01:19:45.337430250 +0300
+@@ -116,6 +116,7 @@
+ DEFINE_ACTION_STRING     ("deanimate-gifs",             ACTION_DEANIMATE,       ACTION_STRING_DEANIMATE)
+ DEFINE_CGI_PARAM_RADIO   ("deanimate-gifs",             ACTION_DEANIMATE,       ACTION_STRING_DEANIMATE,     "first", 0)
+ DEFINE_CGI_PARAM_RADIO   ("deanimate-gifs",             ACTION_DEANIMATE,       ACTION_STRING_DEANIMATE,     "last",  1)
++DEFINE_ACTION_BOOL       ("decompress-from-server",     ACTION_DECOMPRESS_IN)
+ DEFINE_ACTION_BOOL       ("downgrade-http-version",     ACTION_DOWNGRADE)
+ DEFINE_ACTION_BOOL       ("fast-redirects",             ACTION_FAST_REDIRECTS)
+ DEFINE_ACTION_MULTI      ("filter",                     ACTION_MULTI_FILTER)
+diff -Nru privoxy-3.0.3-stable.orig/configure.in privoxy-3.0.3-stable/configure.in
+--- privoxy-3.0.3-stable.orig/configure.in	2004-01-30 11:26:03.000000000 +0200
++++ privoxy-3.0.3-stable/configure.in	2006-03-29 01:19:45.353431250 +0300
+@@ -1234,6 +1234,20 @@
+                                 libpcrs is available],
+ [ if test $enableval = "no"; then have_pcrs=no; fi ])
+ 
++AC_ARG_ENABLE(zlib,
++[  --enable-zlib            Use the zlib library to allow compressing or
++                             decompressing data on the fly.],
++[enableval2=$enableval],
++[enableval2=no])
++if test $enableval2 = yes; then
++  AC_CHECK_LIB(z, zlibVersion, , [
++    AC_MSG_ERROR([Unable to find a copy of zlib.  The zlib library
++is necessary to enable compresion support. ])
++  ]) 
++  AC_DEFINE(FEATURE_ZLIB,1,
++    [ Define to 1 to use compression through the zlib library. ])
++fi
++
+ 
+ # If we have libpcre and either we also have pcreposix or
+ # we don't need pcreposix, then link pcre dynamically; else
+diff -Nru privoxy-3.0.3-stable.orig/default.action.master privoxy-3.0.3-stable/default.action.master
+--- privoxy-3.0.3-stable.orig/default.action.master	2006-03-29 01:19:03.000000000 +0300
++++ privoxy-3.0.3-stable/default.action.master	2006-03-29 01:19:45.357431500 +0300
+@@ -452,7 +452,7 @@
+ -hide-user-agent \
+ -kill-popups \
+ -limit-connect \
+-+prevent-compression \
++-prevent-compression \
+ -send-vanilla-wafer \
+ -send-wafer \
+ +session-cookies-only \
+diff -Nru privoxy-3.0.3-stable.orig/filters.c privoxy-3.0.3-stable/filters.c
+--- privoxy-3.0.3-stable.orig/filters.c	2003-11-11 15:10:31.000000000 +0200
++++ privoxy-3.0.3-stable/filters.c	2006-03-29 01:23:20.022847250 +0300
+@@ -1320,6 +1320,38 @@
+       csp->flags |= CSP_FLAG_MODIFIED;
+    }
+ 
++#ifdef FEATURE_ZLIB
++   /* If the body has a compressed transfer-encoding, uncompress
++    * it first, adjusting size and iob->eod.  Note that
++    * decompression occurs after de-chunking.
++    */
++   if (csp->content_type & CT_GZIP || csp->content_type & CT_DEFLATE)
++   {
++      /* Notice that we at least tried to decompress. */
++      if (JB_ERR_OK != decompress_iob(csp))
++      {
++	 /* We failed to decompress the data; there's no point
++	  * in continuing since we can't filter.  This is
++	  * slightly tricky because we need to remember not to
++	  * modify the Content-Encoding header later; using
++	  * CT_TABOO flag is a kludge for this purpose.
++	  */
++         csp->content_type |= CT_TABOO;
++         return(NULL);
++      }
++      log_error(LOG_LEVEL_RE_FILTER, "Decompressing successful");
++
++      /* Decompression gives us a completely new iob, so we
++       * need to update.
++       */
++      size = csp->iob->eod - csp->iob->cur;
++      old  = csp->iob->cur;
++
++      csp->flags |= CSP_FLAG_MODIFIED;
++   }
++#endif
++
++
+    /*
+     * For all applying +filter actions, look if a filter by that
+     * name exists and if yes, execute it's pcrs_joblist on the
+diff -Nru privoxy-3.0.3-stable.orig/jcc.c privoxy-3.0.3-stable/jcc.c
+--- privoxy-3.0.3-stable.orig/jcc.c	2003-12-12 14:52:53.000000000 +0200
++++ privoxy-3.0.3-stable/jcc.c	2006-03-29 01:19:45.357431500 +0300
+@@ -659,6 +659,10 @@
+ #  include <select.h>
+ # endif
+ 
++#ifdef FEATURE_ZLIB
++#include <zlib.h>
++#endif
++
+ #endif
+ 
+ #include "project.h"
+@@ -1605,6 +1609,8 @@
+ 
+             if ((csp->content_type & CT_TEXT) &&  /* It's a text / * MIME-Type */
+                 !http->ssl    &&                  /* We talk plaintext */
++				!(csp->content_type & CT_GZIP)    && 
++				!(csp->content_type & CT_DEFLATE) && 
+                 block_popups)                     /* Policy allows */
+             {
+                block_popups_now = 1;
+diff -Nru privoxy-3.0.3-stable.orig/parsers.c privoxy-3.0.3-stable/parsers.c
+--- privoxy-3.0.3-stable.orig/parsers.c	2003-07-11 16:21:25.000000000 +0300
++++ privoxy-3.0.3-stable/parsers.c	2006-03-29 01:19:45.361431750 +0300
+@@ -433,6 +433,10 @@
+ #include <assert.h>
+ #include <string.h>
+ 
++#ifdef FEATURE_ZLIB
++#include <zlib.h>
++#endif
++
+ #if !defined(_WIN32) && !defined(__OS2__)
+ #include <unistd.h>
+ #endif
+@@ -632,6 +636,281 @@
+ }
+ 
+ 
++#ifdef FEATURE_ZLIB
++/*********************************************************************
++ *
++ * Function    :  decompress_iob
++ *
++ * Description :  Decompress buffered page, expanding the
++ *                buffer as necessary.  csp->iob->cur
++ *                should point to the the beginning of the
++ *                compressed data block.
++ *
++ * Parameters  :
++ *          1  :  csp = Current client state (buffers, headers, etc...)
++ *
++ * Returns     :  JB_ERR_OK on success, JB_ERR_MEMORY if out-of-memory
++ *                limit reached, JB_ERR_GENERIC if error decompressing
++ *                buffer.
++ *
++ *********************************************************************/
++jb_err decompress_iob(struct client_state *csp)
++{
++   char *buf;                    /* new, uncompressed buffer */
++   int bufsize = csp->iob->size; /* allocated size of the new buffer */
++                                 /* Number of bytes at the beginning
++				  * of the iob that we should NOT
++				  * decompress.
++				  */
++   int skip_size = csp->iob->cur - csp->iob->buf;
++   int status;                   /* return status of the inflate() call */
++   z_stream zstr;           /* used by calls to zlib */
++
++   /* This is to protect the parsing of gzipped data, but it should(?)
++    * be valid for deflated data also.
++    */
++   if (bufsize < 10)
++   {
++      log_error (LOG_LEVEL_ERROR, "Buffer too small decompressing iob");
++      return JB_ERR_GENERIC;
++   }
++
++   if (csp->content_type & CT_GZIP)
++   {
++      /* Our task is slightly complicated by the facts that data
++       * compressed by gzip does not include a zlib header, and
++       * that there is no easily accessible interface in zlib to
++       * handle a gzip header.  We strip off the gzip header by
++       * hand, and later inform zlib not to expect a header.
++       */
++
++      /* Strip off the gzip header.  Please see RFC 1952 for more
++       * explanation of the appropriate fields.
++       */
++      if ((*csp->iob->cur++ != (char)0x1f)
++           || (*csp->iob->cur++ != (char)0x8b)
++	   || (*csp->iob->cur++ != Z_DEFLATED))
++      {
++         log_error (LOG_LEVEL_ERROR,
++                   "Invalid gzip header when decompressing");
++         return JB_ERR_GENERIC;
++      }
++      else {
++         int flags = *csp->iob->cur++;
++         if (flags & 0xe0)
++         {
++            /* The gzip header has reserved bits set; bail out. */
++            log_error (LOG_LEVEL_ERROR,
++                      "Invalid gzip header when decompressing");
++            return JB_ERR_GENERIC;
++         }
++         csp->iob->cur += 6;
++
++         /* Skip extra fields if necessary. */
++         if (flags & 0x04)
++         {
++            /* Skip a given number of bytes, specified as a 16-bit
++	     * little-endian value.
++	     */
++            csp->iob->cur += *csp->iob->cur++ + (*csp->iob->cur++ << 8);
++         }
++
++         /* Skip the filename if necessary. */
++         if (flags & 0x08)
++         {
++            /* A null-terminated string follows. */
++            while (*csp->iob->cur++);
++         }
++
++         /* Skip the comment if necessary. */
++         if (flags & 0x10)
++         {
++            while (*csp->iob->cur++);
++         }
++
++         /* Skip the CRC if necessary. */
++         if (flags & 0x02)
++         {
++            csp->iob->cur += 2;
++         }
++      }
++   }
++   else if (csp->content_type & CT_DEFLATE)
++   {
++   log_error (LOG_LEVEL_INFO, "Decompressing deflated iob: %d", *csp->iob->cur);
++      /* In theory (that is, according to RFC 1950), deflate-compressed
++       * data should begin with a two-byte zlib header and have an
++       * adler32 checksum at the end.  It seems that in practice the
++       * only the raw compressed data is sent.  Note that this means that
++       * we are not RFC 1950-compliant here, but the advantage is that
++       * this actually works. :)
++       *
++       * We add a dummy null byte to tell zlib where the data ends,
++       * and later inform it not to expect a header.
++       *
++       * Fortunately, add_to_iob() has thoughtfully null-terminated
++       * the buffer; we can just increment the end pointer to include
++       * the dummy byte.  
++       */
++      csp->iob->eod++;
++   }
++   else
++   {
++      log_error (LOG_LEVEL_ERROR,
++		"Unable to determine compression format for decompression");
++      return JB_ERR_GENERIC;
++   }
++
++   /* Set up the fields required by zlib. */
++   zstr.next_in  = csp->iob->cur;
++   zstr.avail_in = csp->iob->eod - csp->iob->cur;
++   zstr.zalloc   = Z_NULL;
++   zstr.zfree    = Z_NULL;
++   zstr.opaque   = Z_NULL;
++
++   /* Passing -MAX_WBITS to inflateInit2 tells the library
++    * that there is no zlib header.
++    */
++   if (inflateInit2 (&zstr, -MAX_WBITS) != Z_OK)
++   {
++      log_error (LOG_LEVEL_ERROR,
++                "Error initializing decompression");
++      return JB_ERR_GENERIC;
++   }
++
++   /* Next, we allocate new storage for the inflated data.
++    * We don't modify the existing iob yet, so in case there
++    * is error in decompression we can recover gracefully.
++    */
++   buf = zalloc (bufsize);
++   if (NULL == buf)
++   {
++      log_error (LOG_LEVEL_ERROR,
++                "Out of memory decompressing iob");
++      return JB_ERR_MEMORY;
++   }
++
++   assert(bufsize >= skip_size);
++   memcpy(buf, csp->iob->buf, skip_size);
++   zstr.avail_out = bufsize - skip_size;
++   zstr.next_out  = buf + skip_size;
++
++   /* Try to decompress the whole stream in one shot. */
++   while (Z_BUF_ERROR == (status = inflate(&zstr, Z_FINISH)))
++   { 
++      /* We need to allocate more memory for the output buffer. */
++
++      char *tmpbuf;             /* used for realloc'ing the buffer */
++      int oldbufsize = bufsize; /* keep track of the old bufsize */
++
++      /* If zlib wants more data then there's a problem, because
++       * the complete compressed file should have been buffered.
++       */
++      if (0 == zstr.avail_in)
++      {
++         log_error(LOG_LEVEL_ERROR,
++                  "Unexpected end of compressed iob");
++         return JB_ERR_GENERIC;
++      }
++
++      /* If we tried the limit and still didn't have enough
++       * memory, just give up.
++       */
++      if (bufsize == csp->config->buffer_limit)
++      {
++         log_error(LOG_LEVEL_ERROR, "Out of memory decompressing iob");
++         return JB_ERR_MEMORY;
++      }
++
++      /* Try doubling the buffer size each time. */
++      bufsize *= 2;
++
++      /* Don't exceed the buffer limit. */
++      if (bufsize > csp->config->buffer_limit)
++      {
++         bufsize = csp->config->buffer_limit;
++      }
++    
++      /* Try to allocate the new buffer. */
++      tmpbuf = realloc(buf, bufsize);
++      if (NULL == tmpbuf)
++      {
++         log_error(LOG_LEVEL_ERROR, "Out of memory decompressing iob");
++	 freez(buf);
++         return JB_ERR_MEMORY;
++      }
++      else
++      {
++         char *oldnext_out = zstr.next_out;
++
++         /* Update the fields for inflate() to use the new
++	  * buffer, which may be in a different location from
++	  * the old one.
++	  */
++         zstr.avail_out += bufsize - oldbufsize;
++	 zstr.next_out = tmpbuf + bufsize - zstr.avail_out;
++
++         /* Compare with an uglier method of calculating these values
++	  * that doesn't require the extra oldbufsize variable.
++	  */
++         assert(zstr.avail_out ==
++                tmpbuf + bufsize - (char *)zstr.next_out);
++         assert((char *)zstr.next_out ==
++                tmpbuf + ((char *)oldnext_out - buf));
++         assert(zstr.avail_out > 0);
++
++         buf = tmpbuf;
++      }
++   }
++
++   inflateEnd(&zstr);
++   if (status != Z_STREAM_END)
++   {
++      /* We failed to decompress the stream. */
++      log_error(LOG_LEVEL_ERROR,
++               "Error in decompressing to the buffer (iob): %s",
++	       zstr.msg);
++      return JB_ERR_GENERIC;
++   }
++
++   /* Finally, we can actually update the iob, since the
++    * decompression was successful.  First, free the old
++    * buffer.
++    */
++   freez(csp->iob->buf);
++
++   /* Now, update the iob to use the new buffer. */
++   csp->iob->buf  = buf;
++   csp->iob->cur  = csp->iob->buf + skip_size;
++   csp->iob->eod  = zstr.next_out;
++   csp->iob->size = bufsize;
++  
++   /* Make sure the new uncompressed iob obeys some minimal
++    * consistency conditions.
++    */
++   if ((csp->iob->buf < csp->iob->cur)
++       && (csp->iob->cur <= csp->iob->eod)
++       && (csp->iob->eod <= csp->iob->buf + csp->iob->size))
++   {
++	   char t = csp->iob->cur[100];
++	   csp->iob->cur[100] = 0;
++      log_error(LOG_LEVEL_INFO,
++               "Sucessfully decompressed: %s", csp->iob->cur);
++	   csp->iob->cur[100] = t;
++      return JB_ERR_OK;
++   }
++   else
++   {
++      /* It seems that zlib did something weird. */
++      log_error(LOG_LEVEL_ERROR,
++               "Unexpected error decompressing the buffer (iob): %d==%d, %d>%d, %d<%d", csp->iob->cur,  csp->iob->buf + skip_size, csp->iob->eod, csp->iob->buf, csp->iob->eod, csp->iob->buf + csp->iob->size);
++      return JB_ERR_GENERIC;
++   }
++
++}
++#endif /* defined(FEATURE_ZLIB) */
++
++
+ /*********************************************************************
+  *
+  * Function    :  get_header
+@@ -937,13 +1216,59 @@
+  *********************************************************************/
+ jb_err server_content_encoding(struct client_state *csp, char **header)
+ {
++#ifdef FEATURE_ZLIB
++   if (strstr(*header, "gzip"))
++   {
++      /*
++       * If the body was modified, we have tried to
++       * decompress it, so adjust the header if necessary.
++       */
++      if ((csp->flags & CSP_FLAG_MODIFIED) /* we attempted to decompress   */
++      && !(csp->content_type & CT_TABOO))  /* decompression was successful */
++      {
++         freez(*header);
++         *header = strdup("Content-Encoding: identity");
++         return (header == NULL) ? JB_ERR_MEMORY : JB_ERR_OK;
++      }
++      else
++      {
++        csp->content_type |= CT_GZIP;
++      }
++   }
++   else if (strstr(*header, "deflate"))
++   {
++      /*
++       * If the body was modified, we have tried to
++       * decompress it, so adjust the header if necessary.
++       */
++      if ((csp->flags & CSP_FLAG_MODIFIED) /* we attempted to decompress   */
++      && !(csp->content_type & CT_TABOO))  /* decompression was successful */
++      {
++         freez(*header);
++         *header = strdup("Content-Encoding: identity");
++         return (header == NULL) ? JB_ERR_MEMORY : JB_ERR_OK;
++      }
++      else
++      {
++        csp->content_type |= CT_DEFLATE;
++      }
++   }
++   else if (strstr(*header, "compress"))
++   {
++      /* We can't decompress this; therefore we can't filter
++       * it either.
++       */
++      csp->content_type |= CT_TABOO;
++   }
++#else /* !defined(FEATURE_GZIP) */
+    /*
+     * Turn off pcrs and gif filtering if body compressed
+     */
+    if (strstr(*header, "gzip") || strstr(*header, "compress") || strstr(*header, "deflate"))
+    {
+-      csp->content_type = CT_TABOO;
++      csp->content_type |= CT_TABOO;
+    }
++#endif /* !defined(FEATURE_GZIP) */
+ 
+    return JB_ERR_OK;
+ 
+diff -Nru privoxy-3.0.3-stable.orig/parsers.h privoxy-3.0.3-stable/parsers.h
+--- privoxy-3.0.3-stable.orig/parsers.h	2002-09-25 17:52:46.000000000 +0300
++++ privoxy-3.0.3-stable/parsers.h	2006-03-29 01:19:45.361431750 +0300
+@@ -194,6 +194,7 @@
+ 
+ extern int flush_socket(jb_socket fd, struct client_state *csp);
+ extern jb_err add_to_iob(struct client_state *csp, char *buf, int n);
++extern jb_err decompress_iob(struct client_state *csp);
+ extern char *get_header(struct client_state *csp);
+ extern char *get_header_value(const struct list *header_list, const char *header_name);
+ extern char *sed(const struct parsers pats[], const add_header_func_ptr more_headers[], struct client_state *csp);
+diff -Nru privoxy-3.0.3-stable.orig/project.h privoxy-3.0.3-stable/project.h
+--- privoxy-3.0.3-stable.orig/project.h	2004-01-30 17:29:29.000000000 +0200
++++ privoxy-3.0.3-stable/project.h	2006-03-29 01:28:21.741703500 +0300
+@@ -563,7 +563,7 @@
+ #define JB_ERR_PARSE      4 /**< Error parsing file                       */
+ #define JB_ERR_MODIFIED   5 /**< File has been modified outside of the  
+                                  CGI actions editor.                      */
+-
++#define JB_ERR_GENERIC    6
+ 
+ /**
+  * This macro is used to free a pointer that may be NULL.
+@@ -818,6 +818,15 @@
+ #define CT_TABOO  4 /**< csp->content_type bitmask:
+                          DO NOT filter, irrespective of other flags. */
+ 
++/* Although these are not, strictly speaking, content types
++ * (they are content encodings), it is simple to handle
++ * them as such.
++ */
++#define CT_GZIP     8 /**< csp->content_type bitmask:
++                         gzip-compressed data. */
++#define CT_DEFLATE 16 /**< csp->content_type bitmask:
++                         zlib-compressed data. */
++
+ /**
+  * The mask which includes all actions.
+  */
+@@ -862,6 +871,8 @@
+ #define ACTION_VANILLA_WAFER   0x00008000UL
+ /** Action bitmap: Limit CONNECT requests to safe ports. */
+ #define ACTION_LIMIT_CONNECT   0x00010000UL
++/** Action bitmap: Uncompress incoming text for filtering. */
++#define ACTION_DECOMPRESS_IN   0x00020000UL
+ 
+ /** Action string index: How to deanimate GIFs */
+ #define ACTION_STRING_DEANIMATE     0
diff --git a/net-proxy/privoxy/privoxy-3.0.3-r4.ebuild b/net-proxy/privoxy/privoxy-3.0.3-r4.ebuild
new file mode 100644
index 000000000000..1338bbc85294
--- /dev/null
+++ b/net-proxy/privoxy/privoxy-3.0.3-r4.ebuild
@@ -0,0 +1,95 @@
+# Copyright 1999-2006 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/net-proxy/privoxy/privoxy-3.0.3-r4.ebuild,v 1.1 2006/03/30 16:40:08 mrness Exp $
+
+inherit toolchain-funcs eutils
+
+HOMEPAGE="http://www.privoxy.org"
+DESCRIPTION="A web proxy with advanced filtering capabilities for protecting privacy against internet junk."
+SRC_URI="mirror://sourceforge/ijbswa/${P}-stable-src.tar.gz"
+
+IUSE="pcre selinux zlib"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~ppc ~sparc ~x86"
+LICENSE="GPL-2"
+
+DEPEND="=sys-devel/autoconf-2.1*
+	pcre? ( dev-libs/libpcre )
+	zlib? ( sys-libs/zlib )"
+RDEPEND="selinux? ( sec-policy/selinux-privoxy )
+	pcre? ( dev-libs/libpcre )
+	zlib? ( sys-libs/zlib )"
+
+S="${WORKDIR}/${P}-stable"
+
+pkg_setup() {
+	enewgroup privoxy
+	enewuser privoxy -1 -1 /etc/privoxy privoxy
+}
+
+src_unpack() {
+	unpack ${A}
+	cd "${S}"
+
+	# add gzip and zlib decompression
+	epatch "${FILESDIR}/${P}-zlib.patch"
+
+	rm "${S}"/autom4te.cache/{output.0,requests,traces.0}
+
+	sed -e 's:confdir .:confdir /etc/privoxy:' \
+		-e 's:logdir .:logdir /var/log/privoxy:' \
+		-e 's:logfile logfile:logfile privoxy.log:' \
+		-i "${S}/config" || die "sed failed."
+	sed -e 's:^\+set-image-blocker{pattern}:+set-image-blocker{blank}:' \
+		-i "${S}/default.action.master" || die "sed 2 failed."
+}
+
+src_compile() {
+	export WANT_AUTOCONF=2.1
+	autoheader || die "autoheader failed"
+	autoconf || die "autoconf failed"
+
+	export CC=$(tc-getCC)
+	econf \
+		$(use_enable pcre dynamic-pcre) \
+		$(use_enable zlib) \
+		--sysconfdir=/etc/privoxy || die "econf failed"
+
+	emake || die "make failed."
+}
+
+pkg_preinst() {
+	pkg_setup
+}
+
+src_install () {
+	diropts -m 0750 -g privoxy -o privoxy
+	insopts -m 0640 -g privoxy -o privoxy
+
+	keepdir /var/log/privoxy
+
+	insinto /etc/privoxy
+	doins default.action default.filter config standard.action trust user.action
+
+	insinto /etc/privoxy/templates
+	doins templates/*
+
+	doman privoxy.1
+	dodoc LICENSE README AUTHORS doc/text/faq.txt ChangeLog
+
+	insopts -m 0644 -g root -o root
+	diropts -m 0755 -g root -o root
+	local i
+	for i in developer-manual faq man-page user-manual ; do
+		insinto "/usr/share/doc/${PF}/${i}"
+		doins doc/webserver/"${i}"/*
+	done
+
+	insopts -m 0750 -g root -o root
+	insinto /usr/sbin
+	doins privoxy
+	newinitd "${FILESDIR}/privoxy.rc7" privoxy
+	insopts -m 0640
+	insinto /etc/logrotate.d
+	newins "${FILESDIR}/privoxy.logrotate" privoxy
+}