X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jbsockets.c;h=3f54271ac01d76fdc3ff360a3f9fd01428bc1848;hp=c5f73c9c918e1278a683f7147f20da88a82828d3;hb=1451632696f9f60c15f882f1ae05a6be40b3908b;hpb=c75584ebcc79f939fb4ec9c8f842cef6692640c7

diff --git a/jbsockets.c b/jbsockets.c
index c5f73c9c..3f54271a 100644
--- a/jbsockets.c
+++ b/jbsockets.c
@@ -1,7 +1,7 @@
-const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.1 2001/05/13 21:57:06 administrator Exp $";
+const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.13 2001/07/15 13:56:57 jongfoster Exp $";
 /*********************************************************************
  *
- * File        :  $Source: /home/administrator/cvs/ijb/jbsockets.c,v $
+ * File        :  $Source: /cvsroot/ijbswa/current/jbsockets.c,v $
  *
  * Purpose     :  Contains wrappers for system-specific sockets code,
  *                so that the rest of JunkBuster can be more
@@ -35,6 +35,49 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.1 2001/05/13 21:57:06 adminis
  *
  * Revisions   :
  *    $Log: jbsockets.c,v $
+ *    Revision 1.13  2001/07/15 13:56:57  jongfoster
+ *    Removing unused local variable.
+ *
+ *    Revision 1.12  2001/07/01 17:04:11  oes
+ *    Bugfix: accept_connection no longer uses the obsolete hstrerror() function
+ *
+ *    Revision 1.11  2001/06/29 21:45:41  oes
+ *    Indentation, CRLF->LF, Tab-> Space
+ *
+ *    Revision 1.10  2001/06/29 13:29:15  oes
+ *    - Added remote (server) host IP to csp->http->host_ip_addr_str
+ *    - Added detection of local socket IP and fqdn
+ *    - Removed logentry from cancelled commit
+ *
+ *    Revision 1.9  2001/06/07 23:06:09  jongfoster
+ *    The host parameter to connect_to() is now const.
+ *
+ *    Revision 1.8  2001/06/03 19:12:07  oes
+ *    filled comment
+ *
+ *    Revision 1.7  2001/05/28 16:14:00  jongfoster
+ *    Fixing bug in LOG_LEVEL_LOG
+ *
+ *    Revision 1.6  2001/05/26 17:28:32  jongfoster
+ *    Fixed LOG_LEVEL_LOG
+ *
+ *    Revision 1.5  2001/05/26 15:26:15  jongfoster
+ *    ACL feature now provides more security by immediately dropping
+ *    connections from untrusted hosts.
+ *
+ *    Revision 1.4  2001/05/26 00:37:42  jongfoster
+ *    Cosmetic indentation correction.
+ *
+ *    Revision 1.3  2001/05/25 21:57:54  jongfoster
+ *    Now gives a warning under Windows if you try to bind
+ *    it to a port that's already in use.
+ *
+ *    Revision 1.2  2001/05/17 23:01:01  oes
+ *     - Cleaned CRLF's from the sources and related files
+ *
+ *    Revision 1.1.1.1  2001/05/15 13:58:54  oes
+ *    Initial import of version 2.9.3 source tree
+ *
  *
  *********************************************************************/
 
@@ -75,6 +118,7 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.1 2001/05/13 21:57:06 adminis
 #include "project.h"
 #include "jbsockets.h"
 #include "filters.h"
+#include "errlog.h"
 
 const char jbsockets_h_rcs[] = JBSOCKETS_H_VERSION;
 
@@ -95,7 +139,7 @@ const char jbsockets_h_rcs[] = JBSOCKETS_H_VERSION;
  * Returns     :  -1 => failure, else it is the socket file descriptor.
  *
  *********************************************************************/
-int connect_to(char *host, int portnum, struct client_state *csp)
+int connect_to(const char *host, int portnum, struct client_state *csp)
 {
    struct sockaddr_in inaddr;
    int   fd, addr;
@@ -106,24 +150,22 @@ int connect_to(char *host, int portnum, struct client_state *csp)
 #endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) */
 
 #ifdef ACL_FILES
-   struct access_control_addr src[1], dst[1];
+   struct access_control_addr dst[1];
 #endif /* def ACL_FILES */
 
    memset((char *)&inaddr, 0, sizeof inaddr);
 
    if ((addr = resolve_hostname_to_ip(host)) == -1)
    {
+      csp->http->host_ip_addr_str = strdup("unknown");
       return(-1);
    }
 
 #ifdef ACL_FILES
-   src->addr = csp->ip_addr_long;
-   src->port = 0;
-
    dst->addr = ntohl(addr);
    dst->port = portnum;
 
-   if (block_acl(src, dst, csp))
+   if (block_acl(dst, csp))
    {
       errno = EPERM;
       return(-1);
@@ -132,6 +174,7 @@ int connect_to(char *host, int portnum, struct client_state *csp)
 
    inaddr.sin_addr.s_addr = addr;
    inaddr.sin_family      = AF_INET;
+   csp->http->host_ip_addr_str = strdup(inet_ntoa(inaddr.sin_addr));
 
    if (sizeof(inaddr.sin_port) == sizeof(short))
    {
@@ -154,7 +197,7 @@ int connect_to(char *host, int portnum, struct client_state *csp)
    }
 #endif /* def TCP_NODELAY */
 
-#if !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA)
+#if !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA)
    if ((flags = fcntl(fd, F_GETFL, 0)) != -1)
    {
       flags |= O_NDELAY;
@@ -216,17 +259,19 @@ int connect_to(char *host, int portnum, struct client_state *csp)
  *          2  :  buf = pointer to data to be written.
  *          3  :  len = length of data to be written to the socket "fd".
  *
- * Returns     :  Win32: If no error occurs, returns the total number of
+ * Returns     :  Win32 & Unix: If no error occurs, returns the total number of
  *                bytes sent, which can be less than the number
  *                indicated by len. Otherwise, returns (-1).
- *                Unix: ??? (Please fill me in!)
  *
  *********************************************************************/
 int write_socket(int fd, const char *buf, int len)
 {
-   if (len <= 0) return(0);
+   if (len <= 0)
+   {
+      return(0);
+   }
 
-   /* if (DEBUG(LOG)) fwrite(buf, n, 1, logfp); */
+   log_error(LOG_LEVEL_LOG, "%N", len, buf);
 
 #if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA)
    return( send(fd, buf, len, 0));
@@ -293,8 +338,8 @@ void close_socket(int fd)
 {
 #if defined(_WIN32) || defined(__BEOS__)
    closesocket(fd);
-#elif defined(AMIGA)
-   CloseSocket(fd); 
+#elif defined(AMIGA)
+   CloseSocket(fd); 
 #else
    close(fd);
 #endif
@@ -344,7 +389,15 @@ int bind_port(const char *hostnam, int portnum)
       return(-1);
    }
 
+#ifndef _WIN32
+   /*
+    * FIXME: This is not needed for Win32 - in fact, it stops
+    * duplicate instances of JunkBuster from being caught.
+    * Is this really needed under UNIX, or should it be taked out?
+    * -- Jon
+    */
    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof(one));
+#endif /* ndef _WIN32 */
 
    if (bind (fd, (struct sockaddr *)&inaddr, sizeof(inaddr)) < 0)
    {
@@ -394,14 +447,15 @@ int bind_port(const char *hostnam, int portnum)
  *********************************************************************/
 int accept_connection(struct client_state * csp, int fd)
 {
-   struct sockaddr raddr;
-   struct sockaddr_in *rap = (struct sockaddr_in *) &raddr;
-   int   afd, raddrlen;
+   struct sockaddr_in client, server;
+   struct hostent *host = NULL;
+   int afd, c_length, s_length;
+
+   c_length = s_length = sizeof(client);
 
-   raddrlen = sizeof raddr;
    do
    {
-      afd = accept (fd, &raddr, &raddrlen);
+      afd = accept (fd, (struct sockaddr *) &client, &c_length);
    } while (afd < 1 && errno == EINTR);
 
    if (afd < 0)
@@ -409,11 +463,31 @@ int accept_connection(struct client_state * csp, int fd)
       return 0;
    }
 
+   /* 
+    * Determine the IP-Adress that the client used to reach us
+    * and the hostname associated with that address
+    */
+   if (!getsockname(afd, (struct sockaddr *) &server, &s_length))
+   {
+      csp->my_ip_addr_str = strdup(inet_ntoa(server.sin_addr));
+
+      host = gethostbyaddr(&server.sin_addr, sizeof(server.sin_addr), AF_INET);
+      if (host == NULL)
+      {
+         log_error(LOG_LEVEL_ERROR, "Unable to get my own hostname: %E\n");
+      }
+      else
+      {
+         csp->my_hostname = strdup(host->h_name);
+      }
+   }
+
    csp->cfd    = afd;
-   csp->ip_addr_str  = strdup(inet_ntoa(rap->sin_addr));
-   csp->ip_addr_long = ntohl(rap->sin_addr.s_addr);
+   csp->ip_addr_str  = strdup(inet_ntoa(client.sin_addr));
+   csp->ip_addr_long = ntohl(client.sin_addr.s_addr);
 
    return 1;
+
 }