The Tor Browser: other-licenses/android/resolv

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /*

     2  * This version of this file is derived from Android 2.3 "Gingerbread",

     3  * which contains uncredited changes by Android/Google developers.  It has

     4  * been modified in 2011 for use in the Android build of Mozilla Firefox by

     5  * Mozilla contributors (including Michael Edwards <m.k.edwards@gmail.com>,

     6  * and Steve Workman <sjhworkman@gmail.com>).

     7  * These changes are offered under the same license as the original NetBSD

     8  * file, whose copyright and license are unchanged above.

     9  */

    11 #ifndef _RESOLV_STATIC_H

    12 #define _RESOLV_STATIC_H

    14 #include <netdb.h>

    16 /* this structure contains all the variables that were declared

    17  * 'static' in the original NetBSD resolver code.

    18  *

    19  * this caused vast amounts of crashes and memory corruptions

    20  * when the resolver was being used by multiple threads.

    21  *

    22  * (note: the OpenBSD/FreeBSD resolver has similar 'issues')

    23  */

    25 #define	MAXALIASES	35

    26 #define	MAXADDRS	35

    28 typedef struct res_static {

    29     char*           h_addr_ptrs[MAXADDRS + 1];

    30     char*           host_aliases[MAXALIASES];

    31     char            hostbuf[8*1024];

    32     u_int32_t       host_addr[16 / sizeof(u_int32_t)];  /* IPv4 or IPv6 */

    33     FILE*           hostf;

    34     int             stayopen;

    35     const char*     servent_ptr;

    36     struct servent  servent;

    37     struct hostent  host;

    38 } *res_static;

    40 extern res_static __res_get_static(void);

    42 #endif /* _RESOLV_STATIC_H */

The Tor Browser / file revision

other-licenses/android/resolv_static.h@97036ab72558

other-licenses/android/resolv_static.h