diff options
Diffstat (limited to 'usr.sbin/i4b/isdnd/exec.c')
| -rw-r--r-- | usr.sbin/i4b/isdnd/exec.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/usr.sbin/i4b/isdnd/exec.c b/usr.sbin/i4b/isdnd/exec.c deleted file mode 100644 index 1ed81a1ac8666..0000000000000 --- a/usr.sbin/i4b/isdnd/exec.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright (c) 1997, 1998 Hellmuth Michaelis. 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - *--------------------------------------------------------------------------- - * - * exec.h - supplemental program/script execution - * ---------------------------------------------- - * - * $Id: exec.c,v 1.10 1998/12/05 18:03:11 hm Exp $ - * - * last edit-date: [Sat Dec 5 18:06:49 1998] - * - *---------------------------------------------------------------------------*/ - -#include "isdnd.h" - -#include <sys/wait.h> -#include <sys/socket.h> -#include <net/if.h> -#include <netinet/in.h> -#include <arpa/inet.h> - -#define MAX_PIDS 32 - -static struct pid_tab { - pid_t pid; - cfg_entry_t *cep; -} pid_tab[MAX_PIDS]; - -/*---------------------------------------------------------------------------* - * SIGCHLD signal handler - *---------------------------------------------------------------------------*/ -void -sigchild_handler(int sig) -{ - int retstat; - register int i; - pid_t pid; - - if((pid = waitpid(-1, &retstat, WNOHANG)) <= 0) - { - log(LL_ERR, "ERROR, waitpid: %s", strerror(errno)); - do_exit(1); - } - else - { - if(WIFEXITED(retstat)) - { - DBGL(DL_PROC, (log(LL_DBG, "normal child (pid=%d) termination, exitstat = %d", - pid, WEXITSTATUS(retstat)))); - } - else if(WIFSIGNALED(retstat)) - { - if(WCOREDUMP(retstat)) - log(LL_WRN, "child (pid=%d) termination due to signal %d (coredump)", - pid, WTERMSIG(retstat)); - else - log(LL_WRN, "child (pid=%d) termination due to signal %d", - pid, WTERMSIG(retstat)); - } - } - - /* check if hangup required */ - - for(i=0; i < MAX_PIDS; i++) - { - if(pid_tab[i].pid == pid) - { - if(pid_tab[i].cep->cdid != CDID_UNUSED) - { - DBGL(DL_PROC, (log(LL_DBG, "sigchild_handler: scheduling hangup for cdid %d, pid %d", - pid_tab[i].cep->cdid, pid_tab[i].pid))); - pid_tab[i].cep->hangup = 1; - } - pid_tab[i].pid = 0; - break; - } - } -} - -/*---------------------------------------------------------------------------* - * execute prog as a subprocess and pass an argumentlist - *---------------------------------------------------------------------------*/ -pid_t -exec_prog(char *prog, char **arglist) -{ - char tmp[MAXPATHLEN]; - char path[MAXPATHLEN+1]; - pid_t pid; - int a; - - sprintf(path, "%s/%s", ETCPATH, prog); - - arglist[0] = path; - - tmp[0] = '\0'; - - for(a=1; arglist[a] != NULL; ++a ) - { - strcat(tmp, " " ); - strcat(tmp, arglist[a]); - } - - DBGL(DL_PROC, (log(LL_DBG, "exec_prog: %s, args:%s", path, tmp))); - - switch(pid = fork()) - { - case -1: /* error */ - log(LL_ERR, "ERROR, exec_prog/fork: %s", strerror(errno)); - do_exit(1); - case 0: /* child */ - break; - default: /* parent */ - return(pid); - } - - /* this is the child now */ - - if(execvp(path,arglist) < 0 ) - _exit(127); - - return(-1); -} - -/*---------------------------------------------------------------------------* - * run interface up/down script - *---------------------------------------------------------------------------*/ -int -exec_connect_prog(cfg_entry_t *cep, const char *prog, int link_down) -{ - char *argv[32], **av = argv; - char devicename[MAXPATHLEN], addr[100]; - char *device; - int s; - struct ifreq ifr; - - /* the obvious things */ - device = bdrivername(cep->usrdevicename); - sprintf(devicename, "%s%d", device, cep->usrdeviceunit); - *av++ = (char*)prog; - *av++ = "-d"; - *av++ = devicename; - *av++ = "-f"; - *av++ = link_down ? "down" : "up"; - - /* try to figure AF_INET address of interface */ - addr[0] = '\0'; - memset(&ifr, 0, sizeof ifr); - ifr.ifr_addr.sa_family = AF_INET; - strncpy(ifr.ifr_name, devicename, sizeof(ifr.ifr_name)); - s = socket(AF_INET, SOCK_DGRAM, 0); - if (s >= 0) { - if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) >= 0) { - struct sockaddr_in *sin = (struct sockaddr_in *)&ifr.ifr_addr; - strcpy(addr, inet_ntoa(sin->sin_addr)); - *av++ = "-a"; - *av++ = addr; - } - close(s); - } - - /* terminate argv */ - *av++ = NULL; - - return exec_prog((char*)prog, argv); -} - -/*---------------------------------------------------------------------------* - * run answeringmachine application - *---------------------------------------------------------------------------*/ -int -exec_answer(cfg_entry_t *cep) -{ - char *argv[32]; - u_char devicename[MAXPATHLEN]; - int pid; - char *device; - - device = bdrivername(cep->usrdevicename); - - sprintf(devicename, "/dev/i4b%s%d", device, cep->usrdeviceunit); - - argv[0] = cep->answerprog; - argv[1] = "-D"; - argv[2] = devicename; - argv[3] = "-d"; - argv[4] = "unknown"; - argv[5] = "-s"; - argv[6] = "unknown"; - argv[7] = NULL; - - /* if destination telephone number avail, add it as argument */ - - if(*cep->local_phone_incoming) - argv[4] = cep->local_phone_incoming; - - /* if source telephone number avail, add it as argument */ - - if(*cep->real_phone_incoming) - argv[6] = cep->real_phone_incoming; - - if(*cep->display) - { - argv[7] = "-t"; - argv[8] = cep->display; - argv[9] = NULL; - } - - /* exec program */ - - DBGL(DL_PROC, (log(LL_DBG, "exec_answer: prog=[%s]", cep->answerprog))); - - pid = exec_prog(cep->answerprog, argv); - - /* enter pid and conf ptr entry addr into table */ - - if(pid != -1) - { - int i; - - for(i=0; i < MAX_PIDS; i++) - { - if(pid_tab[i].pid == 0) - { - pid_tab[i].pid = pid; - pid_tab[i].cep = cep; - break; - } - } - return(GOOD); - } - return(ERROR); -} - -/*---------------------------------------------------------------------------* - * check if a connection has an outstanding process, if yes, kill it - *---------------------------------------------------------------------------*/ -void -check_and_kill(cfg_entry_t *cep) -{ - int i; - - for(i=0; i < MAX_PIDS; i++) - { - if(pid_tab[i].cep == cep) - { - pid_t kp; - - DBGL(DL_PROC, (log(LL_DBG, "check_and_kill: killing pid %d", pid_tab[i].pid))); - - kp = pid_tab[i].pid; - pid_tab[i].pid = 0; - kill(kp, SIGHUP); - break; - } - } -} - -/* EOF */ |