Commit Graph

316 Commits

Author SHA1 Message Date
Egor Duda 933cbf6213 * fhandler_socket.cc (fhandler_socket::create_secret_event): Relax
security of secret_event so AF_UNIX socket clients can connect to
servers even if running under a different user account.
(fhandler_socket::check_peer_secret_event): Ditto.
2001-08-16 14:34:27 +00:00
Corinna Vinschen 5fd12fb0cc * fhandler.cc (fhandler_base::is_nonblocking): New method.
(fhandler_base::set_nonblocking): Ditto.
        * fhandler.h (fhandler_base): Declare new methods `is_nonblocking' and
        `set_nonblocking'.
        * fhandler_socket.cc (fhandler_socket::ioctl): Use `set_nonblocking'.
        * fhandler_tty.cc (fhandler_pty_master::process_slave_output):
        Use `is_nonblocking'.
        (fhandler_tty_slave::read): Ditto.
        (fhandler_tty_slave::ioctl): Use `set_nonblocking'.
        (fhandler_pty_master::ioctl): Ditto.
        * net.cc (cygwin_sendto): Fallback to winsock 1 functionality
        in case of nonblocking IO.
        (cygwin_recvfrom): Ditto.
        (cygwin_recv): Ditto.
        (cygwin_send): Ditto.
        * syscalls.cc (_read): Use `is_nonblocking'.
2001-08-15 07:49:15 +00:00
Corinna Vinschen 6a574f1ad6 * fhandler.cc (fhandler_base::fcntl): Use new O_NONBLOCK_MASK define.
* fhandler.h: Move definitions of O_NOSYMLINK, O_DIROPEN and
        OLD_O_NDELAY from winsup.h to here. Add O_NONBLOCK_MASK define.
        * fhandler_socket.cc (fhandler_socket::close): Add hack to allow
        a graceful shutdown even if shutdown() hasn't been called by the
        application. Add debug output.
        (fhandler_socket::ioctl): Set fhandler's NONBLOCK flag according
        to FIONBIO setting.
        (fhandler_socket::fcntl): Use new O_NONBLOCK_MASK define. Actually
        set `request' before using it.
        * fhandler_tty.cc: Use new O_NONBLOCK_MASK define throughout.
        (fhandler_tty_slave::ioctl): Set fhandler's NONBLOCK flag according
        to FIONBIO setting.
        (fhandler_pty_master::ioctl): Ditto.
        * net.cc (wsock_event::prepare): Compare WSACreateEvent return code
        with `WSA_INVALID_EVENT' according to MSDN.
        * syscalls.cc (_read): Use new O_NONBLOCK_MASK define.
2001-08-14 07:41:45 +00:00
Christopher Faylor 96a3f4ae68 * cygheap.cc (cygheap_root::set): Avoid treating '/' specially.
* fhandler.cc (fhandler_base::fcntl): Only set specific O_NDELAY style flag
passed in from application.
* fhandler_socket.cc (fhandler_socket::fcntl): Ditto.
* fhandler.h: Set constant for future use.
* winsup.h: Define OLD_O_NDELAY only for old programs.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK.
2001-08-07 00:01:42 +00:00
Christopher Faylor 6b91b8d53b Throughout, reorganize header file inclusion to put security.h prior to
fhandler.h.
* fhandler.h (fhandler_base::get_inheritance): New method.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Use proper
close-on-exec inheritance when creating.
(fhandler_socket::check_peer_secret_event): Create handle as non-inheritable.
2001-07-26 19:22:24 +00:00
Corinna Vinschen 50b1264871 * fhandler.h class fhandler_socket): Declare new method
`set_close_on_exec'.
        * fhandler_socket.cc (fhandler_socket::set_close_on_exec):
        New method.
2001-06-22 20:53:45 +00:00
Egor Duda ae036f47c5 * fhandler_socket.cc (fhandler_socket::signal_secret_event): New
function.
* fhandler.h: Declare it.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Don't
signal secret event immediately.
(fhandler_socket::check_peer_secret_event): Do it after peer event
was opened.
* net.cc (cygwin_connect): Or if socket is non-blocking.
(cygwin_accept): Ditto.
2001-06-20 06:50:13 +00:00
Corinna Vinschen de81c0465d * fhandler_socket.cc (fhandler_socket::ioctl): Convert s_addr
field to host byte order before comparing with INADDR_LOOPBACK.
2001-05-15 08:42:15 +00:00
Egor Duda 69b218bf24 * fhandler_socket.cc (set_connect_secret): Use /dev/urandom to
generate secret cookie.
2001-05-04 16:30:18 +00:00
Christopher Faylor 0381fec68f Throughout, change fdtab references to cygheap->fdtab.
* child_info.h (cygheap_exec_info): Eliminate special fdtab stuff.
* spawn.cc (spawn_guts): Ditto.
* cygheap.cc (cygheap_init): Initialize fdtab, if appropriate.
* cygheap.h (CYGHEAPSIZE): Include size of init_cygheap.
(_cmalloc_entry): Include fdtab here.
* dtable.h (dtable): Declare/define new methods.
* dtable.cc (dtable::vfork_child_fixup): New method.
(dtable::fixup_after_exec): Remove unneeded extra arguments.
* dcrt0.cc (dll_crt0_1): Ditto.
* environ.cc (getwinenv): Use case sensitive comparison.
(winenv): Make a copy of environment cache to avoid realloc problems when
duplicate environment variables exist in the environment.  (From Egor Duda)
* net.cc (cygwin_socket): Revert Apr 14 change.
* include/sys/file.h: Protect against previous X_OK definition.
* passwd.cc: Eliminate passwd_sem throughout.
* security.cc: Ditto.
* cygwin.din: Export New functions.
* passwd.cc (read_etc_passwd): Make race safe.
(getpwuid_r): New function.
(getpwnam_r): New function.
2001-04-18 21:10:15 +00:00
Egor Duda 619f7fa032 * fhandler.h (class fhandler_socket): Add members and methods to
support secure connections on AF_UNIX sockets.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): New method.
(fhandler_socket::get_connect_secret): Ditto.
(fhandler_socket::create_secret_event): Ditto.
(fhandler_socket::close_secret_event): Ditto.
(fhandler_socket::check_peer_secret_event): Ditto.
(fhandler_socket::fixup_after_fork): Duplicate secret event to child.
(fhandler_socket::dup): Copy address family.
(fhandler_socket::close): Close secret event.
* net.cc (get_inet_addr): Read secret cookie.
(cygwin_connect): Check if peer knows secret cookie value.
(cygwin_accept): Ditto. Copy address family to newly created socket.
(cygwin_bind): Generate and write secret cookie.
(wsock_init): Initialize random number generator.
2001-04-09 07:21:32 +00:00
Christopher Faylor a1299ba54b * dtable.cc: Guard against new winsock.h/winsock2.h warnings when mixing
winsock*.h and sys/types.h.
* fhandler_socket.cc: Ditto.
* net.cc: Ditto.
* select.cc: Ditto.
* exceptions.cc: Remove unneeded define.
2001-03-20 19:50:28 +00:00
Christopher Faylor ca1cea7ed3 Update copyrights. 2001-03-18 03:34:05 +00:00
Corinna Vinschen 9182099c10 * autoload.cc: Add LoadDLLinitfunc for iphlpapi.dll.
Add LoadDLLfuncEx statements for GetIfTable@12 and GetIpAddrTable@12.
        * fhandler_socket.cc (fhandler_socket::ioctl): Move variable
        definitions to the beginning of the function to allow better debugging.
        Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
        * net.cc: Include iphlpapi.h.
        (get_2k_ifconf): Rewritten. Uses IP Helper API now.
        (get_nt_ifconf): Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC
        and SIOCGIFMTU.
        (get_95_ifconf): Ditto. Renamed from `get_9x_ifconf'.
        (get_ifconf): Name loopback `lo' instead of `lo0' as in Linux.
        Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
        Call `get_95_ifconf' only on Windows 95, `get_nt_ifconf' only
        on Windows NT < Service Pack 3, `get_2k_ifconf otherwise.
        * include/asm/socket.h: Add defines for SIOCGIFHWADDR, SIOCGIFMETRIC
        and SIOCGIFMTU.
        * include/cygwin/if.h: Add `ifr_hwaddr', `ifr_metric' and `ifr_mtu'.
        (struct ifreq): Add `ifru_hwaddr'.
2001-02-07 22:50:50 +00:00
Christopher Faylor 75a57bf04a Whitespace cleanup.
* configure.in: Eliminate subdir stuff.
* configure: Regenerate.
* include/getopt.h (option): Make name field 'const'.
2000-10-28 05:41:44 +00:00
Corinna Vinschen afd5033d83 * fhandler_socket.cc: New file.
* Makefile.in: Add fhandler_socket.o to dependencies.
        * fhandler.h: Change comment.
        * net.cc Move all fhandler_socket methods to fhandler_socket.cc.
        * winsup.h: Add declaration for `ws2_32_handle'.
2000-10-27 09:50:33 +00:00