diff options
| -rw-r--r-- | source3/Makefile.in | 2 | ||||
| -rw-r--r-- | source3/lib/sock_exec.c | 115 | ||||
| -rw-r--r-- | source3/lib/util_sock.c | 93 |
3 files changed, 116 insertions, 94 deletions
diff --git a/source3/Makefile.in b/source3/Makefile.in index a515109934..c3380eaf28 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -167,7 +167,7 @@ LIB_OBJ = lib/charcnv.o lib/debug.o lib/fault.o \ lib/xfile.o lib/wins_srv.o \ lib/util_str.o lib/clobber.o lib/util_sid.o lib/util_uuid.o \ lib/util_unistr.o lib/util_file.o lib/data_blob.o \ - lib/util.o lib/util_sock.o lib/util_sec.o \ + lib/util.o lib/util_sock.o lib/sock_exec.o lib/util_sec.o \ lib/talloc.o lib/hash.o lib/substitute.o lib/fsusage.o \ lib/ms_fnmatch.o lib/select.o lib/messages.o \ lib/tallocmsg.o lib/dmallocmsg.o \ diff --git a/source3/lib/sock_exec.c b/source3/lib/sock_exec.c new file mode 100644 index 0000000000..52c5a8ce52 --- /dev/null +++ b/source3/lib/sock_exec.c @@ -0,0 +1,115 @@ +/* + Unix SMB/CIFS implementation. + Samba utility functions + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Tim Potter 2000-2001 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +/******************************************************************* +this is like socketpair but uses tcp. It is used by the Samba +regression test code +The function guarantees that nobody else can attach to the socket, +or if they do that this function fails and the socket gets closed +returns 0 on success, -1 on failure +the resulting file descriptors are symmetrical + ******************************************************************/ +static int socketpair_tcp(int fd[2]) +{ + int listener; + struct sockaddr_in sock; + struct sockaddr_in sock2; + socklen_t socklen = sizeof(sock); + int connect_done = 0; + + fd[0] = fd[1] = listener = -1; + + memset(&sock, 0, sizeof(sock)); + + if ((listener = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed; + + memset(&sock2, 0, sizeof(sock2)); +#ifdef HAVE_SOCK_SIN_LEN + sock2.sin_len = sizeof(sock2); +#endif + sock2.sin_family = PF_INET; + + bind(listener, (struct sockaddr *)&sock2, sizeof(sock2)); + + if (listen(listener, 1) != 0) goto failed; + + if (getsockname(listener, (struct sockaddr *)&sock, &socklen) != 0) goto failed; + + if ((fd[1] = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed; + + set_blocking(fd[1], 0); + + sock.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) == -1) { + if (errno != EINPROGRESS) goto failed; + } else { + connect_done = 1; + } + + if ((fd[0] = accept(listener, (struct sockaddr *)&sock, &socklen)) == -1) goto failed; + + close(listener); + if (connect_done == 0) { + if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) != 0 + && errno != EISCONN) goto failed; + } + + set_blocking(fd[1], 1); + + /* all OK! */ + return 0; + + failed: + if (fd[0] != -1) close(fd[0]); + if (fd[1] != -1) close(fd[1]); + if (listener != -1) close(listener); + return -1; +} + + +/******************************************************************* +run a program on a local tcp socket, this is used to launch smbd +when regression testing +the return value is a socket which is attached to a subprocess +running "prog". stdin and stdout are attached. stderr is left +attached to the original stderr + ******************************************************************/ +int sock_exec(const char *prog) +{ + int fd[2]; + if (socketpair_tcp(fd) != 0) { + DEBUG(0,("socketpair_tcp failed (%s)\n", strerror(errno))); + return -1; + } + if (fork() == 0) { + close(fd[0]); + close(0); + close(1); + dup(fd[1]); + dup(fd[1]); + exit(system(prog)); + } + close(fd[1]); + return fd[0]; +} diff --git a/source3/lib/util_sock.c b/source3/lib/util_sock.c index 5460bf57b8..c974050b43 100644 --- a/source3/lib/util_sock.c +++ b/source3/lib/util_sock.c @@ -984,96 +984,3 @@ out_umask: return -1; #endif /* HAVE_UNIXSOCKET */ } - -/******************************************************************* -this is like socketpair but uses tcp. It is used by the Samba -regression test code -The function guarantees that nobody else can attach to the socket, -or if they do that this function fails and the socket gets closed -returns 0 on success, -1 on failure -the resulting file descriptors are symmetrical - ******************************************************************/ -static int socketpair_tcp(int fd[2]) -{ - int listener; - struct sockaddr_in sock; - struct sockaddr_in sock2; - socklen_t socklen = sizeof(sock); - int connect_done = 0; - - fd[0] = fd[1] = listener = -1; - - memset(&sock, 0, sizeof(sock)); - - if ((listener = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed; - - memset(&sock2, 0, sizeof(sock2)); -#ifdef HAVE_SOCK_SIN_LEN - sock2.sin_len = sizeof(sock2); -#endif - sock2.sin_family = PF_INET; - - bind(listener, (struct sockaddr *)&sock2, sizeof(sock2)); - - if (listen(listener, 1) != 0) goto failed; - - if (getsockname(listener, (struct sockaddr *)&sock, &socklen) != 0) goto failed; - - if ((fd[1] = socket(PF_INET, SOCK_STREAM, 0)) == -1) goto failed; - - set_blocking(fd[1], 0); - - sock.sin_addr.s_addr = htonl(INADDR_LOOPBACK); - - if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) == -1) { - if (errno != EINPROGRESS) goto failed; - } else { - connect_done = 1; - } - - if ((fd[0] = accept(listener, (struct sockaddr *)&sock, &socklen)) == -1) goto failed; - - close(listener); - if (connect_done == 0) { - if (connect(fd[1],(struct sockaddr *)&sock,sizeof(sock)) != 0 - && errno != EISCONN) goto failed; - } - - set_blocking(fd[1], 1); - - /* all OK! */ - return 0; - - failed: - if (fd[0] != -1) close(fd[0]); - if (fd[1] != -1) close(fd[1]); - if (listener != -1) close(listener); - return -1; -} - - -/******************************************************************* -run a program on a local tcp socket, this is used to launch smbd -when regression testing -the return value is a socket which is attached to a subprocess -running "prog". stdin and stdout are attached. stderr is left -attached to the original stderr - ******************************************************************/ -int sock_exec(const char *prog) -{ - int fd[2]; - if (socketpair_tcp(fd) != 0) { - DEBUG(0,("socketpair_tcp failed (%s)\n", strerror(errno))); - return -1; - } - if (fork() == 0) { - close(fd[0]); - close(0); - close(1); - dup(fd[1]); - dup(fd[1]); - exit(system(prog)); - } - close(fd[1]); - return fd[0]; -} |