diff options
Diffstat (limited to 'lib/af.c')
| -rw-r--r-- | lib/af.c | 366 |
1 files changed, 196 insertions, 170 deletions
@@ -1,17 +1,17 @@ /* - * lib/af.c This file contains the top-level part of the protocol - * support functions module for the NET-2 base distribution. + * lib/af.c This file contains the top-level part of the protocol + * support functions module for the NET-2 base distribution. * - * Version: lib/af.c 1.13 (1996-02-21) + * Version: $Id: af.c,v 1.6 1998/11/15 20:08:59 freitag Exp $ * - * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org> - * Copyright 1993 MicroWalt Corporation + * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org> + * Copyright 1993 MicroWalt Corporation * - * This program is free software; you can redistribute it - * and/or modify it under the terms of the GNU General - * Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at - * your option) any later version. + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at + * your option) any later version. */ #include <sys/types.h> #include <sys/socket.h> @@ -38,231 +38,257 @@ int flag_econet = 0; struct aftrans_t { - char *alias; - char *name; - int *flag; -} aftrans[]={ - {"ax25", "ax25", &flag_ax25}, - {"ip", "inet", &flag_inet}, - {"ip6", "inet6", &flag_inet6}, - {"ipx", "ipx", &flag_ipx}, - {"appletalk", "ddp", &flag_ddp}, - {"netrom", "netrom", &flag_netrom}, - {"inet", "inet", &flag_inet}, - {"inet6", "inet6", &flag_inet6}, - {"ddp", "ddp", &flag_ddp}, - {"unix", "unix", &flag_unx}, - {"tcpip", "inet", &flag_inet}, - {"econet", "ec", &flag_econet}, - {0, 0, 0} + char *alias; + char *name; + int *flag; +} aftrans[] = { + + { + "ax25", "ax25", &flag_ax25 + }, + { + "ip", "inet", &flag_inet + }, + { + "ip6", "inet6", &flag_inet6 + }, + { + "ipx", "ipx", &flag_ipx + }, + { + "appletalk", "ddp", &flag_ddp + }, + { + "netrom", "netrom", &flag_netrom + }, + { + "inet", "inet", &flag_inet + }, + { + "inet6", "inet6", &flag_inet6 + }, + { + "ddp", "ddp", &flag_ddp + }, + { + "unix", "unix", &flag_unx + }, + { + "tcpip", "inet", &flag_inet + }, + { + "econet", "ec", &flag_econet + }, + { + 0, 0, 0 + } }; -char afname[256]=""; +char afname[256] = ""; -extern struct aftype unspec_aftype; -extern struct aftype unix_aftype; -extern struct aftype inet_aftype; -extern struct aftype inet6_aftype; -extern struct aftype ax25_aftype; -extern struct aftype netrom_aftype; -extern struct aftype ipx_aftype; -extern struct aftype ddp_aftype; -extern struct aftype ec_aftype; +extern struct aftype unspec_aftype; +extern struct aftype unix_aftype; +extern struct aftype inet_aftype; +extern struct aftype inet6_aftype; +extern struct aftype ax25_aftype; +extern struct aftype netrom_aftype; +extern struct aftype ipx_aftype; +extern struct aftype ddp_aftype; +extern struct aftype ec_aftype; static short sVafinit = 0; -struct aftype *aftypes[] = { +struct aftype *aftypes[] = +{ #if HAVE_AFUNIX - &unix_aftype, + &unix_aftype, #endif #if HAVE_AFINET - &inet_aftype, + &inet_aftype, #endif #if HAVE_AFINET6 - &inet6_aftype, + &inet6_aftype, #endif #if HAVE_AFAX25 - &ax25_aftype, + &ax25_aftype, #endif #if HAVE_AFNETROM - &netrom_aftype, + &netrom_aftype, #endif #if HAVE_AFIPX - &ipx_aftype, + &ipx_aftype, #endif #if HAVE_AFATALK - &ddp_aftype, + &ddp_aftype, #endif #if HAVE_AFECONET - &ec_aftype, + &ec_aftype, #endif - &unspec_aftype, - NULL + &unspec_aftype, + NULL }; -void afinit () +void afinit() { - unspec_aftype.title = _("UNSPEC"); + unspec_aftype.title = _("UNSPEC"); #if HAVE_AFINET - unix_aftype.title = _("UNIX Domain"); + unix_aftype.title = _("UNIX Domain"); #endif #if HAVE_AFINET - inet_aftype.title = _("DARPA Internet"); + inet_aftype.title = _("DARPA Internet"); #endif #if HAVE_AFINET6 - inet6_aftype.title = _("IPv6"); + inet6_aftype.title = _("IPv6"); #endif #if HAVE_AFAX25 - ax25_aftype.title = _("AMPR AX.25"); + ax25_aftype.title = _("AMPR AX.25"); #endif #if HAVE_AFNETROM - netrom_aftype.title = _("AMPR NET/ROM"); + netrom_aftype.title = _("AMPR NET/ROM"); #endif #if HAVE_AFIPX - ipx_aftype.title = _("IPX"); + ipx_aftype.title = _("IPX"); #endif #if HAVE_AFATALK - ddp_aftype.title = _("Appletalk DDP"); + ddp_aftype.title = _("Appletalk DDP"); #endif #if HAVE_AFECONET - ec_aftype.title = _("Econet"); + ec_aftype.title = _("Econet"); #endif - sVafinit = 1; + sVafinit = 1; } -/* set the default AF list from the program name or a constant value */ -void -aftrans_def(char *tool, char *argv0, char *dflt) +/* set the default AF list from the program name or a constant value */ +void aftrans_def(char *tool, char *argv0, char *dflt) { - char *tmp; - char *buf; - - strcpy(afname, dflt); - - if (!(tmp = strrchr(argv0, '/'))) - tmp = argv0; /* no slash?! */ - else - tmp++; - - if (!(buf = strdup(tmp))) - return; - - if (strlen(tool) >= strlen(tmp)) { - free(buf); - return; - } - tmp = buf+(strlen(tmp)-strlen(tool)); - - if (strcmp(tmp, tool)!=0) { - free(buf); - return; - } - - *tmp = '\0'; - if ((tmp = strchr(buf,'_'))) - *tmp = '\0'; - - afname[0]='\0'; - if (aftrans_opt(buf)) - strcpy(afname, buf); - - free(buf); + char *tmp; + char *buf; + + strcpy(afname, dflt); + + if (!(tmp = strrchr(argv0, '/'))) + tmp = argv0; /* no slash?! */ + else + tmp++; + + if (!(buf = strdup(tmp))) + return; + + if (strlen(tool) >= strlen(tmp)) { + free(buf); + return; + } + tmp = buf + (strlen(tmp) - strlen(tool)); + + if (strcmp(tmp, tool) != 0) { + free(buf); + return; + } + *tmp = '\0'; + if ((tmp = strchr(buf, '_'))) + *tmp = '\0'; + + afname[0] = '\0'; + if (aftrans_opt(buf)) + strcpy(afname, buf); + + free(buf); } /* Check our protocol family table for this family. */ -struct aftype * -get_aftype(const char *name) +struct aftype *get_aftype(const char *name) { - struct aftype **afp; - - if (!sVafinit) - afinit (); - - afp = aftypes; - while (*afp != NULL) { - if (!strcmp((*afp)->name, name)) return(*afp); + struct aftype **afp; + + if (!sVafinit) + afinit(); + + afp = aftypes; + while (*afp != NULL) { + if (!strcmp((*afp)->name, name)) + return (*afp); afp++; - } - if (index(name,',')) - fprintf(stderr,_("Please don't supply more than one address family.\n")); - return(NULL); + } + if (index(name, ',')) + fprintf(stderr, _("Please don't supply more than one address family.\n")); + return (NULL); } /* Check our protocol family table for this family. */ -struct aftype * -get_afntype(int af) +struct aftype *get_afntype(int af) { - struct aftype **afp; - - if (!sVafinit) - afinit (); - - afp = aftypes; - while (*afp != NULL) { - if ((*afp)->af == af) return(*afp); + struct aftype **afp; + + if (!sVafinit) + afinit(); + + afp = aftypes; + while (*afp != NULL) { + if ((*afp)->af == af) + return (*afp); afp++; - } - return(NULL); + } + return (NULL); } /* Check our protocol family table for this family and return its socket */ -int -get_socket_for_af(int af) +int get_socket_for_af(int af) { - struct aftype **afp; - - if (!sVafinit) - afinit (); - - afp = aftypes; - while (*afp != NULL) { - if ((*afp)->af == af) return (*afp)->fd; + struct aftype **afp; + + if (!sVafinit) + afinit(); + + afp = aftypes; + while (*afp != NULL) { + if ((*afp)->af == af) + return (*afp)->fd; afp++; - } - return -1; + } + return -1; } int aftrans_opt(const char *arg) { - struct aftrans_t *paft; - char *tmp1, *tmp2; - char buf[256]; - - strncpy(buf,arg,sizeof(buf)); - buf[sizeof(buf)-1]='\0'; - - tmp1=buf; - - while(tmp1) { - - tmp2=index(tmp1,','); - - if (tmp2) - *(tmp2++)='\0'; - - paft=aftrans; - for(paft=aftrans;paft->alias;paft++) { - if (strcmp(tmp1,paft->alias)) - continue; - if (strlen(paft->name)+strlen(afname)+1 >= sizeof(afname)) { - fprintf(stderr,_("Too much address family arguments.\n")); - return(0); - } - if (paft->flag) - (*paft->flag)++; - if (afname[0]) - strcat(afname,","); - strcat(afname,paft->name); - break; - } - if (!paft->alias) { - fprintf(stderr,_("Unknown address family `%s'.\n"),tmp1); - return(1); - } - tmp1=tmp2; + struct aftrans_t *paft; + char *tmp1, *tmp2; + char buf[256]; + + strncpy(buf, arg, sizeof(buf)); + buf[sizeof(buf) - 1] = '\0'; + + tmp1 = buf; + + while (tmp1) { + + tmp2 = index(tmp1, ','); + + if (tmp2) + *(tmp2++) = '\0'; + + paft = aftrans; + for (paft = aftrans; paft->alias; paft++) { + if (strcmp(tmp1, paft->alias)) + continue; + if (strlen(paft->name) + strlen(afname) + 1 >= sizeof(afname)) { + fprintf(stderr, _("Too much address family arguments.\n")); + return (0); + } + if (paft->flag) + (*paft->flag)++; + if (afname[0]) + strcat(afname, ","); + strcat(afname, paft->name); + break; + } + if (!paft->alias) { + fprintf(stderr, _("Unknown address family `%s'.\n"), tmp1); + return (1); } + tmp1 = tmp2; + } - return(0); + return (0); } |