/* $OpenBSD: apm.c,v 1.7 2002/09/06 19:14:47 deraadt Exp $ */ /* * Copyright (c) 1996 John T. Kohl * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <fcntl.h> #include <errno.h> #include <err.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <sys/un.h> #include <sys/ioctl.h> #include <machine/apmvar.h> #include "pathnames.h" #include "apm-proto.h" #define FALSE 0 #define TRUE 1 extern char *__progname; void usage(void); void zzusage(void); int do_zzz(int, enum apm_action action); int open_socket(const char *pn); int send_command(int fd, struct apm_command *cmd, struct apm_reply *reply); void usage(void) { fprintf(stderr,"usage: %s [-v] [-z | -S] [-slbam] [-f socket]\n", __progname); exit(1); } void zzusage(void) { fprintf(stderr,"usage: %s [-z | -S] [-f socket]\n", __progname); exit(1); } int send_command(int fd, struct apm_command *cmd, struct apm_reply *reply) { /* send a command to the apm daemon */ cmd->vno = APMD_VNO; if (send(fd, cmd, sizeof(*cmd), 0) == sizeof(*cmd)) { if (recv(fd, reply, sizeof(*reply), 0) != sizeof(*reply)) { warn("invalid reply from APM daemon"); return 1; } } else { warn("invalid send to APM daemon"); return 1; } return 0; } int do_zzz(int fd, enum apm_action action) { struct apm_command command; struct apm_reply reply; switch (action) { case NONE: case SUSPEND: command.action = SUSPEND; break; case STANDBY: command.action = STANDBY; break; default: zzusage(); } printf("Suspending system...\n"); exit(send_command(fd, &command, &reply)); } int open_socket(const char *sockname) { int sock, errr; struct sockaddr_un s_un; sock = socket(AF_UNIX, SOCK_STREAM, 0); if (sock == -1) err(1, "cannot create local socket"); s_un.sun_family = AF_UNIX; strncpy(s_un.sun_path, sockname, sizeof(s_un.sun_path)); s_un.sun_len = SUN_LEN(&s_un); if (connect(sock, (struct sockaddr *)&s_un, s_un.sun_len) == -1) { errr = errno; close(sock); errno = errr; err(1, "cannot open connection to APM daemon"); } return sock; } int main(int argc, char *argv[]) { const char *sockname = _PATH_APM_SOCKET; int dostatus = FALSE; int doac = FALSE; int dopct = FALSE; int dobstate = FALSE; int domin = FALSE; int verbose = FALSE; int ch, fd, rval; enum apm_action action = NONE; struct apm_command command; struct apm_reply reply; while ((ch = getopt(argc, argv, "lmbvasSzf:")) != -1) switch(ch) { case 'v': verbose = TRUE; break; case 'f': sockname = optarg; break; case 'z': if (action != NONE) usage(); action = SUSPEND; break; case 'S': if (action != NONE) usage(); action = STANDBY; break; case 's': if (action != NONE && action != GETSTATUS) usage(); dostatus = TRUE; action = GETSTATUS; break; case 'b': if (action != NONE && action != GETSTATUS) usage(); dobstate = TRUE; action = GETSTATUS; break; case 'l': if (action != NONE && action != GETSTATUS) usage(); dopct = TRUE; action = GETSTATUS; break; case 'm': if (action != NONE && action != GETSTATUS) usage(); domin = TRUE; action = GETSTATUS; break; case 'a': if (action != NONE && action != GETSTATUS) usage(); doac = TRUE; action = GETSTATUS; break; case '?': default: usage(); } fd = open_socket(sockname); if (!strcmp(__progname, "zzz")) return (do_zzz(fd, action)); switch (action) { case NONE: action = GETSTATUS; verbose = doac = dopct = dobstate = dostatus = domin = TRUE; /* fallthrough */ case GETSTATUS: if (fd == -1) { /* open the device directly and get status */ fd = open(_PATH_APM_NORMAL, O_RDONLY); if (ioctl(fd, APM_IOC_GETPOWER, &reply.batterystate) == 0) goto printval; } case SUSPEND: case STANDBY: command.action = action; break; default: usage(); } if ((rval = send_command(fd, &command, &reply)) == 0) { switch (action) { case GETSTATUS: printval: if (verbose) { if (dobstate) printf("Battery state: %s\n", battstate(reply.batterystate.battery_state)); if (dopct) printf("Battery remaining: %d percent\n", reply.batterystate.battery_life); if (domin) { #ifdef __powerpc__ if (reply.batterystate.battery_state == APM_BATT_CHARGING) printf("Remaining battery recharge time estimate: %d minutes\n", reply.batterystate.minutes_left); else if (reply.batterystate.minutes_left == 0 && reply.batterystate.battery_life > 10) printf("Battery life estimate: not available\n"); else #endif printf("Battery life estimate: %d minutes\n", reply.batterystate.minutes_left); } if (doac) printf("A/C adapter state: %s\n", ac_state(reply.batterystate.ac_state)); if (dostatus) printf("Power management enabled\n"); } else { if (dobstate) printf("%d\n", reply.batterystate.battery_state); if (dopct) printf("%d\n", reply.batterystate.battery_life); if (domin) printf("%d\n", reply.batterystate.minutes_left); if (doac) printf("%d\n", reply.batterystate.ac_state); if (dostatus) printf("1\n"); } break; default: break; } switch (reply.newstate) { case SUSPEND: printf("System will enter suspend mode momentarily.\n"); break; case STANDBY: printf("System will enter standby mode momentarily.\n"); break; default: break; } } else errx(rval, "cannot get reply from APM daemon"); return (0); }