diff options
Diffstat (limited to 'libexec/rpc.rwalld/rwalld.c')
| -rw-r--r-- | libexec/rpc.rwalld/rwalld.c | 67 |
1 files changed, 36 insertions, 31 deletions
diff --git a/libexec/rpc.rwalld/rwalld.c b/libexec/rpc.rwalld/rwalld.c index 90b0ffe..ec30870 100644 --- a/libexec/rpc.rwalld/rwalld.c +++ b/libexec/rpc.rwalld/rwalld.c @@ -28,20 +28,24 @@ */ #ifndef lint -static char rcsid[] = "$Id$"; +static const char rcsid[] = + "$Id$"; #endif /* not lint */ -#include <unistd.h> -#include <sys/types.h> +#include <err.h> #include <pwd.h> +#include <signal.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> -#include <errno.h> -#include <sys/socket.h> -#include <signal.h> -#include <sys/wait.h> +#include <syslog.h> #include <rpc/rpc.h> +#include <rpc/pmap_clnt.h> #include <rpcsvc/rwall.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> #ifdef OSF #define WALL_CMD "/usr/sbin/wall" @@ -52,10 +56,12 @@ static char rcsid[] = "$Id$"; void wallprog_1(); void possess(); void killkids(); +static void usage __P((void)); int nodaemon = 0; int from_inetd = 1; +int main(argc, argv) int argc; char *argv[]; @@ -68,10 +74,8 @@ main(argc, argv) if (argc == 2 && !strcmp(argv[1], "-n")) nodaemon = 1; - if (argc != 1 && !nodaemon) { - printf("usage: %s [-n]\n", argv[0]); - exit(1); - } + if (argc != 1 && !nodaemon) + usage(); if (geteuid() == 0) { struct passwd *pep = getpwnam("nobody"); @@ -96,45 +100,45 @@ main(argc, argv) possess(); (void)pmap_unset(WALLPROG, WALLVERS); - if ((s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) { - perror("socket"); - exit(1); - } + if ((s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) + err(1, "socket"); bzero((char *)&sa, sizeof sa); - if (bind(s, (struct sockaddr *)&sa, sizeof sa) < 0) { - perror("bind"); - exit(1); - } + if (bind(s, (struct sockaddr *)&sa, sizeof sa) < 0) + err(1, "bind"); salen = sizeof sa; - if (getsockname(s, (struct sockaddr *)&sa, &salen)) { - perror("getsockname"); - exit(1); - } + if (getsockname(s, (struct sockaddr *)&sa, &salen)) + err(1, "getsockname"); pmap_set(WALLPROG, WALLVERS, IPPROTO_UDP, ntohs(sa.sin_port)); - if (dup2(s, 0) < 0) { - perror("dup2"); - exit(1); - } + if (dup2(s, 0) < 0) + err(1, "dup2"); (void)pmap_unset(WALLPROG, WALLVERS); } (void)signal(SIGCHLD, killkids); + openlog("rpc.rwalld", LOG_CONS|LOG_PID, LOG_DAEMON); + transp = svcudp_create(sock); if (transp == NULL) { - (void)fprintf(stderr, "cannot create udp service.\n"); + syslog(LOG_ERR, "cannot create udp service"); exit(1); } if (!svc_register(transp, WALLPROG, WALLVERS, wallprog_1, proto)) { - (void)fprintf(stderr, "unable to register (WALLPROG, WALLVERS, udp).\n"); + syslog(LOG_ERR, "unable to register (WALLPROG, WALLVERS, %s)", proto?"udp":"(inetd)"); exit(1); } svc_run(); - (void)fprintf(stderr, "svc_run returned\n"); + syslog(LOG_ERR, "svc_run returned"); exit(1); +} +static void +usage() +{ + fprintf(stderr, "usage: rpc.rwalld [-n]\n"); + exit(1); } void possess() @@ -162,6 +166,7 @@ void *wallproc_wall_1(s) exit(0); } } + return(NULL); } void @@ -201,7 +206,7 @@ wallprog_1(rqstp, transp) svcerr_systemerr(transp); } if (!svc_freeargs(transp, xdr_argument, &argument)) { - (void)fprintf(stderr, "unable to free arguments\n"); + syslog(LOG_ERR, "unable to free arguments"); exit(1); } leave: |
