diff options
Diffstat (limited to 'apps/xhost/xhost.c')
-rwxr-xr-x[-rw-r--r--] | apps/xhost/xhost.c | 187 |
1 files changed, 32 insertions, 155 deletions
diff --git a/apps/xhost/xhost.c b/apps/xhost/xhost.c index 6f803c002..a6baa9dbf 100644..100755 --- a/apps/xhost/xhost.c +++ b/apps/xhost/xhost.c @@ -59,15 +59,12 @@ X Window System is a trademark of The Open Group. #include "config.h" #endif -#if defined(TCPCONN) || defined(STREAMSCONN) +#ifdef TCPCONN #define NEEDSOCKETS #endif #ifdef UNIXCONN #define NEEDSOCKETS #endif -#ifdef DNETCONN -#define NEEDSOCKETS -#endif #include <X11/Xlib.h> #include <X11/Xos.h> @@ -76,45 +73,25 @@ X Window System is a trademark of The Open Group. #include <stdio.h> #include <stdlib.h> #include <signal.h> -#ifdef X_NOT_POSIX -#include <setjmp.h> -#endif #include <ctype.h> #include <X11/Xauth.h> #include <X11/Xmu/Error.h> #include <stdlib.h> #ifdef NEEDSOCKETS -#ifdef att -typedef unsigned short unsign16; -typedef unsigned long unsign32; -typedef short sign16; -typedef long sign32; -#include <interlan/socket.h> -#include <interlan/netdb.h> -#include <interlan/in.h> +#ifdef WIN32 +#include <X11/Xwinsock.h> #else -#ifndef Lynx #include <sys/socket.h> -#else -#include <socket.h> -#endif #include <netdb.h> #include <netinet/in.h> #endif #endif /* NEEDSOCKETS */ -#ifndef BAD_ARPAINET +#ifndef WIN32 #include <arpa/inet.h> -#else -/* bogus definition of inet_makeaddr() in BSD 4.2 and Ultrix */ -extern unsigned long inet_makeaddr(); #endif -#ifdef DNETCONN -#include <netdnet/dn.h> -#include <netdnet/dnetdb.h> -#endif #ifdef SECURE_RPC #include <pwd.h> @@ -124,7 +101,7 @@ extern unsigned long inet_makeaddr(); #include <limits.h> #undef _POSIX_C_SOURCE #else -#if defined(X_NOT_POSIX) || defined(_POSIX_SOURCE) +#ifdef _POSIX_SOURCE #include <limits.h> #else #define _POSIX_SOURCE @@ -145,17 +122,7 @@ extern int getdomainname(char *name, size_t len); static int change_host(Display *dpy, char *name, Bool add); static const char *get_hostname(XHostAddress *ha); static int local_xerror(Display *dpy, XErrorEvent *rep); - -#ifdef RETSIGTYPE /* autoconf AC_TYPE_SIGNAL */ -# define signal_t RETSIGTYPE -#else /* Imake */ -#ifdef SIGNALRETURNSINT -#define signal_t int -#else -#define signal_t void -#endif -#endif /* RETSIGTYPE */ -static signal_t nameserver_lost(int sig); +static void nameserver_lost(int sig); #define NAMESERVER_TIMEOUT 5 /* time to wait for nameserver */ @@ -177,7 +144,7 @@ void endhostent() static int XFamily(int af) { - int i; + unsigned int i; static struct _familyMap { int af, xf; } familyMap[] = { @@ -203,8 +170,6 @@ XFamily(int af) } #endif /* NEEDSOCKETS */ -static Display *dpy; - int main(int argc, char *argv[]) { @@ -214,12 +179,7 @@ main(int argc, char *argv[]) int nfailed = 0; XHostAddress *list; Bool enabled = False; -#ifdef DNETCONN - char *dnet_htoa(); - struct nodeent *np; - struct dn_naddr *nlist, dnaddr, *dnaddrp, *dnet_addr(); - char *cp; -#endif + Display *dpy; ProgramName = argv[0]; @@ -238,9 +198,6 @@ main(int argc, char *argv[]) if (argc == 1) { -#ifdef DNETCONN - setnodeent(1); /* keep the database accessed */ -#endif sethostent(1); /* don't close the data base each time */ list = XListHosts(dpy, &nhosts, &enabled); if (enabled) @@ -346,7 +303,8 @@ change_host(Display *dpy, char *name, Bool add) { XHostAddress ha; char *lname; - int namelen, i, family = FamilyWild; + size_t namelen, i; + int family = FamilyWild; #ifdef K5AUTH krb5_principal princ; krb5_data kbuf; @@ -360,11 +318,6 @@ change_host(Display *dpy, char *name, Bool add) #endif #endif char *cp; -#ifdef DNETCONN - struct dn_naddr *dnaddrp; - struct nodeent *np; - static struct dn_naddr dnaddr; -#endif /* DNETCONN */ static const char *add_msg = "being added to access control list"; static const char *remove_msg = "being removed from access control list"; @@ -378,7 +331,7 @@ change_host(Display *dpy, char *name, Bool add) } lname[namelen] = '\0'; if (!strncmp("inet:", lname, 5)) { -#if defined(TCPCONN) || defined(STREAMSCONN) +#ifdef TCPCONN family = FamilyInternet; name += 5; #else @@ -388,8 +341,7 @@ change_host(Display *dpy, char *name, Bool add) #endif } else if (!strncmp("inet6:", lname, 6)) { -#if (defined(TCPCONN) || defined(STREAMSCONN)) && \ - defined(IPv6) && defined(AF_INET6) +#if defined(TCPCONN) && defined(IPv6) && defined(AF_INET6) family = FamilyInternet6; name += 6; #else @@ -401,8 +353,7 @@ change_host(Display *dpy, char *name, Bool add) #ifdef ACCEPT_INETV6 /* Allow inetv6 as an alias for inet6 for compatibility with original X11 over IPv6 draft. */ else if (!strncmp("inetv6:", lname, 7)) { -#if (defined(TCPCONN) || defined(STREAMSCONN)) && \ - defined(IPv6) && defined(AF_INET6) +#if defined(TCPCONN) && defined(IPv6) && defined(AF_INET6) family = FamilyInternet6; name += 7; #else @@ -413,14 +364,9 @@ change_host(Display *dpy, char *name, Bool add) } #endif /* ACCEPT_INETV6 */ else if (!strncmp("dnet:", lname, 5)) { -#ifdef DNETCONN - family = FamilyDECnet; - name += 5; -#else fprintf (stderr, "%s: not compiled for DECnet\n", ProgramName); free(lname); return 0; -#endif } else if (!strncmp("nis:", lname, 4)) { #ifdef SECURE_RPC @@ -486,34 +432,6 @@ change_host(Display *dpy, char *name, Bool add) return 1; } -#ifdef DNETCONN - if (family == FamilyDECnet || ((family == FamilyWild) && - (cp = strchr(name, ':')) && (*(cp + 1) == ':') && - !(*cp = '\0'))) { - ha.family = FamilyDECnet; - if (dnaddrp = dnet_addr(name)) { - dnaddr = *dnaddrp; - } else { - if ((np = getnodebyname (name)) == NULL) { - fprintf (stderr, "%s: unable to get node name for \"%s::\"\n", - ProgramName, name); - return 0; - } - dnaddr.a_len = np->n_length; - memmove( dnaddr.a_addr, np->n_addr, np->n_length); - } - ha.length = sizeof(struct dn_naddr); - ha.address = (char *)&dnaddr; - if (add) { - XAddHost (dpy, &ha); - printf ("%s:: %s\n", name, add_msg); - } else { - XRemoveHost (dpy, &ha); - printf ("%s:: %s\n", name, remove_msg); - } - return 1; - } -#endif /* DNETCONN */ #ifdef K5AUTH if (family == FamilyKrb5Principal) { krb5_error_code retval; @@ -540,8 +458,9 @@ change_host(Display *dpy, char *name, Bool add) } #endif if (family == FamilyLocalHost) { + char empty[] = ""; ha.length = 0; - ha.address = ""; + ha.address = empty; ha.family = family; if (add) XAddHost(dpy, &ha); @@ -732,37 +651,29 @@ change_host(Display *dpy, char *name, Bool add) * be found. */ -#ifdef X_NOT_POSIX -jmp_buf env; -#endif static const char * get_hostname(XHostAddress *ha) { -#if (defined(TCPCONN) || defined(STREAMSCONN)) && \ - (!defined(IPv6) || !defined(AF_INET6)) +#if defined(TCPCONN) && (!defined(IPv6) || !defined(AF_INET6)) static struct hostent *hp = NULL; #endif -#ifdef DNETCONN - struct nodeent *np; - static char nodeaddr[5 + 2 * DN_MAXADDL]; -#endif /* DNETCONN */ #ifdef K5AUTH krb5_principal princ; krb5_data kbuf; char *kname; static char kname_out[255]; #endif -#ifndef X_NOT_POSIX +#ifdef SIGALRM struct sigaction sa; #endif -#if defined(TCPCONN) || defined(STREAMSCONN) +#ifdef TCPCONN #if defined(IPv6) && defined(AF_INET6) if ((ha->family == FamilyInternet) || (ha->family == FamilyInternet6)) { struct sockaddr_storage saddr; static char inetname[NI_MAXHOST]; - int saddrlen; + unsigned int saddrlen; inetname[0] = '\0'; memset(&saddr, 0, sizeof saddr); @@ -792,23 +703,18 @@ get_hostname(XHostAddress *ha) gethostbyaddr will continue after a signal, so we have to jump out of it. */ -#ifndef X_NOT_POSIX +#ifdef SIGALRM memset(&sa, 0, sizeof sa); sa.sa_handler = nameserver_lost; sa.sa_flags = 0; /* don't restart syscalls */ sigaction(SIGALRM, &sa, NULL); -#elif !defined(WIN32) - signal(SIGALRM, nameserver_lost); -#endif alarm(NAMESERVER_TIMEOUT); -#ifdef X_NOT_POSIX - if (setjmp(env) == 0) #endif - { - getnameinfo((struct sockaddr *) &saddr, saddrlen, inetname, - sizeof(inetname), NULL, 0, 0); - } + getnameinfo((struct sockaddr *) &saddr, saddrlen, inetname, + sizeof(inetname), NULL, 0, 0); +#ifdef SIGALRM alarm(0); +#endif if (nameserver_timedout || inetname[0] == '\0') inet_ntop(((struct sockaddr *)&saddr)->sa_family, ha->address, inetname, sizeof(inetname)); @@ -816,35 +722,23 @@ get_hostname(XHostAddress *ha) } #else if (ha->family == FamilyInternet) { -#ifdef CRAY - struct in_addr t_addr; - bzero((char *)&t_addr, sizeof(t_addr)); - bcopy(ha->address, (char *)&t_addr, 4); - ha->address = (char *)&t_addr; -#endif /* gethostbyaddr can take a LONG time if the host does not exist. Assume that if it does not respond in NAMESERVER_TIMEOUT seconds that something is wrong and do not make the user wait. gethostbyaddr will continue after a signal, so we have to jump out of it. */ -#ifndef X_NOT_POSIX +#ifdef SIGALRM memset(&sa, 0, sizeof sa); sa.sa_handler = nameserver_lost; sa.sa_flags = 0; /* don't restart syscalls */ sigaction(SIGALRM, &sa, NULL); -#else - signal(SIGALRM, nameserver_lost); -#endif alarm(4); -#ifdef X_NOT_POSIX - if (setjmp(env) == 0) { -#endif - hp = gethostbyaddr (ha->address, ha->length, AF_INET); -#ifdef X_NOT_POSIX - } #endif + hp = gethostbyaddr (ha->address, ha->length, AF_INET); +#ifdef SIGALRM alarm(0); +#endif if (hp) return (hp->h_name); else return (inet_ntoa(*((struct in_addr *)(ha->address)))); @@ -872,24 +766,12 @@ get_hostname(XHostAddress *ha) pwd = getpwuid(uid); if (pwd) - sprintf(netname, "%s@ (%*.*s)", pwd->pw_name, - ha->length, ha->length, ha->address); + snprintf(netname, sizeof(netname), "%s@ (%*.*s)", + pwd->pw_name, ha->length, ha->length, ha->address); } #endif return (netname); } -#ifdef DNETCONN - if (ha->family == FamilyDECnet) { - struct dn_naddr *addr_ptr = (struct dn_naddr *) ha->address; - - if (np = getnodebyaddr(addr_ptr->a_addr, addr_ptr->a_len, AF_DECnet)) { - sprintf(nodeaddr, "%s", np->n_name); - } else { - sprintf(nodeaddr, "%s", dnet_htoa(ha->address)); - } - return(nodeaddr); - } -#endif #ifdef K5AUTH if (ha->family == FamilyKrb5Principal) { kbuf.data = ha->address; @@ -937,15 +819,10 @@ get_hostname(XHostAddress *ha) } /*ARGUSED*/ -static signal_t -nameserver_lost(int sig) +static void +nameserver_lost(_X_UNUSED int sig) { nameserver_timedout = 1; -#ifdef X_NOT_POSIX - /* not needed with POSIX signals - stuck syscalls will not - be restarted after signal delivery */ - longjmp(env, -1); -#endif } /* |