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From "Uwe F. Mayer" <ma...@math.vanderbilt.edu>
Subject os-osf/344: don't store 64 bit pointers in 32 bit integers
Date Thu, 10 Apr 1997 01:20:12 GMT

	The contract type is `' with a response time of 3 business hours.
	A first analysis should be sent before: Thu Apr 10 11:00:11 PDT 1997


>Number:         344
>Category:       os-osf
>Synopsis:       don't store 64 bit pointers in 32 bit integers
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    apache (Apache HTTP Project)
>State:          open
>Class:          sw-bug
>Submitter-Id:   apache
>Arrival-Date:   Wed Apr  9 18:20:11 1997
>Originator:     mayer@math.vanderbilt.edu
>Organization:
apache
>Release:        1.2b7
>Environment:
OS: DEC UNIX 4.0, DEC OSF1
Comp: DEC cc, GNU cc
>Description:
Various source files store 64 bit pointers (this is an alpha I am
talking about) in 32 bit integers. Also 32 bit integers are stored
in 64 bit pointers (less of a problem). 
>How-To-Repeat:
Compile your source on an alpha and use gcc or some other compiler
that gives a decent set of warnings.
>Fix:
Here is a diff file that applies as a patch and changes what was
needed to compile cleanly.

diff -cr apache_1.2b7/src/alloc.c httpd/src/alloc.c
*** apache_1.2b7/src/alloc.c    Sun Jan 19 11:43:27 1997
--- httpd/src/alloc.c   Mon Mar 24 22:32:45 1997

***************
*** 727,739 ****
   * generic cleanup interface.
   */
  
! static void fd_cleanup (void *fdv) { close ((int)fdv); }
  
! void note_cleanups_for_fd (pool *p, int fd) {
    register_cleanup (p, (void *)fd, fd_cleanup, fd_cleanup);
  }
  
! void kill_cleanups_for_fd(pool *p,int fd)
      {
      kill_cleanup(p,(void *)fd,fd_cleanup);
      }
--- 727,739 ----
   * generic cleanup interface.
   */
  
! static void fd_cleanup (void *fdv) { close ((long)fdv); }
  
! void note_cleanups_for_fd (pool *p, long fd) {
    register_cleanup (p, (void *)fd, fd_cleanup, fd_cleanup);
  }

  
! void kill_cleanups_for_fd(pool *p,long fd)
      {
      kill_cleanup(p,(void *)fd,fd_cleanup);
      }
***************
*** 749,755 ****
    return fd;
  }
  
! int pclosef(pool *a, int fd)
  {
    int res;
    
--- 749,755 ----
    return fd;
  }
  
! int pclosef(pool *a, long fd)
  {
    int res;
    
diff -cr apache_1.2b7/src/alloc.h httpd/src/alloc.h
*** apache_1.2b7/src/alloc.h    Wed Jan  1 12:10:14 1997
--- httpd/src/alloc.h   Mon Mar 24 22:32:45 1997
***************
*** 205,212 ****
  int popenf(struct pool *, const char *name, int flg, int mode); 
  
  void note_cleanups_for_file (pool *, FILE *);
! void note_cleanups_for_fd (pool *, int);
! void kill_cleanups_for_fd (pool *p, int fd);
  
  regex_t *pregcomp(pool *p, const char *pattern, int cflags);
  
--- 205,212 ----
  int popenf(struct pool *, const char *name, int flg, int mode); 
  
  void note_cleanups_for_file (pool *, FILE *);
! void note_cleanups_for_fd (pool *, long);
! void kill_cleanups_for_fd (pool *p, long fd);
  
  regex_t *pregcomp(pool *p, const char *pattern, int cflags);
  
***************
*** 215,221 ****
   */
  
  int pfclose(struct pool *, FILE *);
! int pclosef(struct pool *, int fd);
  
  /* ... even child processes (which we may want to wait for,
   * or to kill outright, on unexpected termination).
--- 215,221 ----
   */
  
  int pfclose(struct pool *, FILE *);
! int pclosef(struct pool *, long fd);
  
  /* ... even child processes (which we may want to wait for,
   * or to kill outright, on unexpected termination).
diff -cr apache_1.2b7/src/http_config.c httpd/src/http_config.c
*** apache_1.2b7/src/http_config.c      Sat Jan 25 19:15:11 1997
--- http_config.c       Mon Mar 24 22:32:45 1997
***************
*** 696,702 ****
  {
      /* This one's pretty generic... */
    
!     int offset = (int)cmd->info; 
      *(char **)(struct_ptr + offset) = pstrdup (cmd->pool, arg);
      return NULL;
  }
--- 696,702 ----
  {
      /* This one's pretty generic... */
    
!     long offset = (long)cmd->info; 
      *(char **)(struct_ptr + offset) = pstrdup (cmd->pool, arg);
      return NULL;
  }
***************
*** 705,711 ****
  {
      /* This one's pretty generic too... */
    
!     int offset = (int)cmd->info; 
      *(int *)(struct_ptr + offset) = arg ? 1 : 0;
      return NULL;
  }
--- 705,711 ----
  {
      /* This one's pretty generic too... */
    
!     long offset = (long)cmd->info; 
      *(int *)(struct_ptr + offset) = arg ? 1 : 0;
      return NULL;
  }
diff -cr apache_1.2b7/src/http_core.c httpd/src/http_core.c
*** apache_1.2b7/src/http_core.c        Mon Feb 17 04:46:06 1997
--- httpd/src/http_core.c       Mon Mar 24 22:32:46 1997
***************
*** 837,843 ****
  {
      /* This one's pretty generic... */
    
!     int offset = (int)cmd->info;
      char *struct_ptr = (char *)cmd->server;
      
      *(char **)(struct_ptr + offset) = pstrdup (cmd->pool, arg);
--- 837,843 ----
  {
      /* This one's pretty generic... */
    
!     long offset = (long)cmd->info;
      char *struct_ptr = (char *)cmd->server;
      
      *(char **)(struct_ptr + offset) = pstrdup (cmd->pool, arg);
diff -cr apache_1.2b7/src/mod_alias.c httpd/src/mod_alias.c
*** apache_1.2b7/src/mod_alias.c        Wed Jan  1 12:10:25 1997
--- httpd/src/mod_alias.c       Mon Mar 24 22:32:46 1997
***************
*** 137,143 ****
      server_rec *s = cmd->server;
      alias_server_conf *serverconf =
          (alias_server_conf *)get_module_config(s->module_config,&alias_module);
!     int status = (int)cmd->info;
      char *f = arg2;
      char *url = arg3;
  
--- 137,143 ----
      server_rec *s = cmd->server;
      alias_server_conf *serverconf =
          (alias_server_conf *)get_module_config(s->module_config,&alias_module);
!     long status = (long)cmd->info;
      char *f = arg2;
      char *url = arg3;
  
diff -cr apache_1.2b7/src/mod_browser.c httpd/src/mod_browser.c
*** apache_1.2b7/src/mod_browser.c      Sat Jan  4 09:10:17 1997
--- httpd/src/mod_browser.c     Mon Mar 24 22:32:47 1997
***************
*** 98,104 ****
        get_module_config (cmd->server->module_config, &browser_module);
      browser_entry *new, *entries = (browser_entry *)sconf->browsers->elts;
      char *var;
!     int i, cflags = (int)cmd->info;
  
      /* First, try to merge into an existing entry */
  
--- 98,105 ----
        get_module_config (cmd->server->module_config, &browser_module);
      browser_entry *new, *entries = (browser_entry *)sconf->browsers->elts;
      char *var;
!     int i;
!     long cflags = (long)cmd->info;
  
      /* First, try to merge into an existing entry */
  
diff -cr apache_1.2b7/src/mod_dir.c httpd/src/mod_dir.c
*** apache_1.2b7/src/mod_dir.c  Tue Feb 18 08:41:29 1997
--- httpd/src/mod_dir.c Mon Mar 24 22:32:47 1997
***************
*** 175,181 ****
  
  
  const char *add_opts_int(cmd_parms *cmd, void *d, int opts) {
!     push_item(((dir_config_rec *)d)->opts_list, (char*)opts, NULL,
              cmd->path, NULL);
      return NULL;
  }
--- 175,181 ----
  
  
  const char *add_opts_int(cmd_parms *cmd, void *d, int opts) {
!     push_item(((dir_config_rec *)d)->opts_list, (char*)(long)opts, NULL,
              cmd->path, NULL);
      return NULL;
  }
***************
*** 382,388 ****
      return 0;
  }
  
! int find_opts(dir_config_rec *d, request_rec *r) {
      char *path = r->filename;
      array_header *list = d->opts_list;
      struct item *items = (struct item *)list->elts;
--- 382,388 ----
      return 0;
  }
  
! long find_opts(dir_config_rec *d, request_rec *r) {
      char *path = r->filename;
      array_header *list = d->opts_list;
      struct item *items = (struct item *)list->elts;
***************
*** 392,398 ****
          struct item *p = &items[i];
  
          if(!strcmp_match(path,p->apply_path))
!             return (int)p->type;
      }
      return 0;
  }
--- 392,398 ----
          struct item *p = &items[i];
  
          if(!strcmp_match(path,p->apply_path))
!             return (long)p->type;
      }
      return 0;
  }
%0
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