h_exec.c revision 1.6.2.2
1 1.6.2.2 bouyer /* $NetBSD: h_exec.c,v 1.6.2.2 2011/02/17 12:00:54 bouyer Exp $ */ 2 1.6.2.2 bouyer 3 1.6.2.2 bouyer /* 4 1.6.2.2 bouyer * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 1.6.2.2 bouyer * All rights reserved. 6 1.6.2.2 bouyer * 7 1.6.2.2 bouyer * Redistribution and use in source and binary forms, with or without 8 1.6.2.2 bouyer * modification, are permitted provided that the following conditions 9 1.6.2.2 bouyer * are met: 10 1.6.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 11 1.6.2.2 bouyer * notice, this list of conditions and the following disclaimer. 12 1.6.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 13 1.6.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 14 1.6.2.2 bouyer * documentation and/or other materials provided with the distribution. 15 1.6.2.2 bouyer * 16 1.6.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 17 1.6.2.2 bouyer * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 18 1.6.2.2 bouyer * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 1.6.2.2 bouyer * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 1.6.2.2 bouyer * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 21 1.6.2.2 bouyer * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.6.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 23 1.6.2.2 bouyer * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 1.6.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25 1.6.2.2 bouyer * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 1.6.2.2 bouyer * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27 1.6.2.2 bouyer * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 1.6.2.2 bouyer */ 29 1.6.2.2 bouyer 30 1.6.2.2 bouyer #include <sys/types.h> 31 1.6.2.2 bouyer #include <sys/socket.h> 32 1.6.2.2 bouyer 33 1.6.2.2 bouyer #include <netinet/in.h> 34 1.6.2.2 bouyer 35 1.6.2.2 bouyer #include <err.h> 36 1.6.2.2 bouyer #include <errno.h> 37 1.6.2.2 bouyer #include <fcntl.h> 38 1.6.2.2 bouyer #include <stdio.h> 39 1.6.2.2 bouyer #include <stdlib.h> 40 1.6.2.2 bouyer #include <string.h> 41 1.6.2.2 bouyer #include <unistd.h> 42 1.6.2.2 bouyer 43 1.6.2.2 bouyer #include <rump/rumpclient.h> 44 1.6.2.2 bouyer #include <rump/rump_syscalls.h> 45 1.6.2.2 bouyer 46 1.6.2.2 bouyer int 47 1.6.2.2 bouyer main(int argc, char *argv[]) 48 1.6.2.2 bouyer { 49 1.6.2.2 bouyer struct sockaddr_in sin; 50 1.6.2.2 bouyer socklen_t slen; 51 1.6.2.2 bouyer int s1, s2; 52 1.6.2.2 bouyer char buf[12]; 53 1.6.2.2 bouyer char *eargv[4]; 54 1.6.2.2 bouyer char *ename; 55 1.6.2.2 bouyer extern char **environ; 56 1.6.2.2 bouyer 57 1.6.2.2 bouyer if (rumpclient_init() == -1) 58 1.6.2.2 bouyer err(1, "init"); 59 1.6.2.2 bouyer 60 1.6.2.2 bouyer if (argc > 1) { 61 1.6.2.2 bouyer if (strcmp(argv[1], "_didexec") == 0) { 62 1.6.2.2 bouyer rumpclient_daemon(0, 0); /* detach-me-notnot */ 63 1.6.2.2 bouyer s2 = atoi(argv[2]); 64 1.6.2.2 bouyer slen = sizeof(sin); 65 1.6.2.2 bouyer /* see below */ 66 1.6.2.2 bouyer rump_sys_accept(s2, (struct sockaddr *)&sin, &slen); 67 1.6.2.2 bouyer } 68 1.6.2.2 bouyer } 69 1.6.2.2 bouyer 70 1.6.2.2 bouyer /* open and listenize two TCP4 suckets */ 71 1.6.2.2 bouyer if ((s1 = rump_sys_socket(PF_INET, SOCK_STREAM, 0)) == -1) 72 1.6.2.2 bouyer err(1, "socket 1"); 73 1.6.2.2 bouyer if ((s2 = rump_sys_socket(PF_INET, SOCK_STREAM, 0)) == -1) 74 1.6.2.2 bouyer err(1, "socket 2"); 75 1.6.2.2 bouyer 76 1.6.2.2 bouyer memset(&sin, 0, sizeof(sin)); 77 1.6.2.2 bouyer sin.sin_len = sizeof(sin); 78 1.6.2.2 bouyer sin.sin_family = AF_INET; 79 1.6.2.2 bouyer sin.sin_port = htons(1234); 80 1.6.2.2 bouyer 81 1.6.2.2 bouyer if (rump_sys_bind(s1, (struct sockaddr *)&sin, sizeof(sin)) == -1) 82 1.6.2.2 bouyer err(1, "bind1"); 83 1.6.2.2 bouyer sin.sin_port = htons(2345); 84 1.6.2.2 bouyer if (rump_sys_bind(s2, (struct sockaddr *)&sin, sizeof(sin)) == -1) 85 1.6.2.2 bouyer err(1, "bind2"); 86 1.6.2.2 bouyer 87 1.6.2.2 bouyer if (rump_sys_listen(s1, 1) == -1) 88 1.6.2.2 bouyer err(1, "listen1"); 89 1.6.2.2 bouyer if (rump_sys_listen(s2, 1) == -1) 90 1.6.2.2 bouyer err(1, "listen2"); 91 1.6.2.2 bouyer 92 1.6.2.2 bouyer if (argc == 1) { 93 1.6.2.2 bouyer rumpclient_daemon(0, 0); 94 1.6.2.2 bouyer slen = sizeof(sin); 95 1.6.2.2 bouyer /* 96 1.6.2.2 bouyer * "pause()", but conveniently gets rid of this helper 97 1.6.2.2 bouyer * since we were called with RUMPCLIENT_RETRYCONN_DIE set 98 1.6.2.2 bouyer */ 99 1.6.2.2 bouyer rump_sys_accept(s2, (struct sockaddr *)&sin, &slen); 100 1.6.2.2 bouyer } 101 1.6.2.2 bouyer 102 1.6.2.2 bouyer if (argc == 3 && strcmp(argv[2], "cloexec1") == 0) { 103 1.6.2.2 bouyer if (rump_sys_fcntl(s1, F_SETFD, FD_CLOEXEC) == -1) { 104 1.6.2.2 bouyer err(1, "cloexec failed"); 105 1.6.2.2 bouyer } 106 1.6.2.2 bouyer } 107 1.6.2.2 bouyer 108 1.6.2.2 bouyer sprintf(buf, "%d", s2); 109 1.6.2.2 bouyer 110 1.6.2.2 bouyer if (argc == 3 && strcmp(argv[2], "vfork_please") == 0) { 111 1.6.2.2 bouyer switch (rumpclient_vfork()) { 112 1.6.2.2 bouyer case 0: 113 1.6.2.2 bouyer ename = __UNCONST("fourchette"); 114 1.6.2.2 bouyer break; 115 1.6.2.2 bouyer case -1: 116 1.6.2.2 bouyer err(1, "vfork"); 117 1.6.2.2 bouyer default: 118 1.6.2.2 bouyer ename = __UNCONST("h_ution"); 119 1.6.2.2 bouyer break; 120 1.6.2.2 bouyer } 121 1.6.2.2 bouyer } else { 122 1.6.2.2 bouyer ename = __UNCONST("h_ution"); 123 1.6.2.2 bouyer } 124 1.6.2.2 bouyer 125 1.6.2.2 bouyer /* omstart! */ 126 1.6.2.2 bouyer eargv[0] = ename; 127 1.6.2.2 bouyer eargv[1] = __UNCONST("_didexec"); 128 1.6.2.2 bouyer eargv[2] = buf; 129 1.6.2.2 bouyer eargv[3] = NULL; 130 1.6.2.2 bouyer if (rumpclient_exec(argv[1], __UNCONST(eargv), environ) == -1) 131 1.6.2.2 bouyer err(1, "exec"); 132 1.6.2.2 bouyer } 133
Indexes created Thu Oct 02 14:10:14 GMT 2025