2 * Copyright (c) 2015 Nuxi, https://nuxi.nl/
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include <sys/param.h>
30 #include <sys/capsicum.h>
31 #include <sys/filedesc.h>
32 #include <sys/imgact.h>
34 #include <sys/module.h>
35 #include <sys/mutex.h>
37 #include <sys/signalvar.h>
38 #include <sys/syscallsubr.h>
39 #include <sys/unistd.h>
41 #include <compat/cloudabi/cloudabi_proto.h>
42 #include <compat/cloudabi/cloudabi_syscalldefs.h>
45 cloudabi_sys_proc_exec(struct thread *td,
46 struct cloudabi_sys_proc_exec_args *uap)
48 struct image_args args;
49 struct vmspace *oldvmspace;
52 error = pre_execve(td, &oldvmspace);
55 error = exec_copyin_data_fds(td, &args, uap->data, uap->datalen,
56 uap->fds, uap->fdslen);
59 error = kern_execve(td, &args, NULL);
61 post_execve(td, error, oldvmspace);
66 cloudabi_sys_proc_exit(struct thread *td,
67 struct cloudabi_sys_proc_exit_args *uap)
70 exit1(td, uap->rval, 0);
75 cloudabi_sys_proc_fork(struct thread *td,
76 struct cloudabi_sys_proc_fork_args *uap)
79 struct filecaps fcaps = {};
82 cap_rights_init(&fcaps.fc_rights, CAP_FSTAT, CAP_EVENT);
83 bzero(&fr, sizeof(fr));
84 fr.fr_flags = RFFDG | RFPROC | RFPROCDESC;
86 fr.fr_pd_fcaps = &fcaps;
87 error = fork1(td, &fr);
90 /* Return the file descriptor to the parent process. */
91 td->td_retval[0] = fd;
96 cloudabi_sys_proc_raise(struct thread *td,
97 struct cloudabi_sys_proc_raise_args *uap)
99 static const int signals[] = {
100 [CLOUDABI_SIGABRT] = SIGABRT,
101 [CLOUDABI_SIGALRM] = SIGALRM,
102 [CLOUDABI_SIGBUS] = SIGBUS,
103 [CLOUDABI_SIGCHLD] = SIGCHLD,
104 [CLOUDABI_SIGCONT] = SIGCONT,
105 [CLOUDABI_SIGFPE] = SIGFPE,
106 [CLOUDABI_SIGHUP] = SIGHUP,
107 [CLOUDABI_SIGILL] = SIGILL,
108 [CLOUDABI_SIGINT] = SIGINT,
109 [CLOUDABI_SIGKILL] = SIGKILL,
110 [CLOUDABI_SIGPIPE] = SIGPIPE,
111 [CLOUDABI_SIGQUIT] = SIGQUIT,
112 [CLOUDABI_SIGSEGV] = SIGSEGV,
113 [CLOUDABI_SIGSTOP] = SIGSTOP,
114 [CLOUDABI_SIGSYS] = SIGSYS,
115 [CLOUDABI_SIGTERM] = SIGTERM,
116 [CLOUDABI_SIGTRAP] = SIGTRAP,
117 [CLOUDABI_SIGTSTP] = SIGTSTP,
118 [CLOUDABI_SIGTTIN] = SIGTTIN,
119 [CLOUDABI_SIGTTOU] = SIGTTOU,
120 [CLOUDABI_SIGURG] = SIGURG,
121 [CLOUDABI_SIGUSR1] = SIGUSR1,
122 [CLOUDABI_SIGUSR2] = SIGUSR2,
123 [CLOUDABI_SIGVTALRM] = SIGVTALRM,
124 [CLOUDABI_SIGXCPU] = SIGXCPU,
125 [CLOUDABI_SIGXFSZ] = SIGXFSZ,
130 if (uap->sig >= nitems(signals) || signals[uap->sig] == 0) {
131 /* Invalid signal, or the null signal. */
132 return (uap->sig == 0 ? 0 : EINVAL);
137 ksi.ksi_signo = signals[uap->sig];
138 ksi.ksi_code = SI_USER;
139 ksi.ksi_pid = p->p_pid;
140 ksi.ksi_uid = td->td_ucred->cr_ruid;
142 pksignal(p, ksi.ksi_signo, &ksi);
147 MODULE_VERSION(cloudabi, 1);