diff options
Diffstat (limited to 'misc-utils/hostname.c.orig')
| -rw-r--r-- | misc-utils/hostname.c.orig | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/misc-utils/hostname.c.orig b/misc-utils/hostname.c.orig deleted file mode 100644 index b7e61d1f7..000000000 --- a/misc-utils/hostname.c.orig +++ /dev/null @@ -1,187 +0,0 @@ -/* hostname -- set the host name or show the host/domain name - - Copyright (C) 1994 Peter Tobias - - 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, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - - -#include <stdio.h> -#include <unistd.h> -#include <getopt.h> -#include <string.h> -#include <netdb.h> -#include <errno.h> -#include <sys/param.h> - -#define NO_OPT -1 - -static char *program_name; -static const char *version_string = "hostname 1.5"; - -static void sethname(char *); -static void showhname(char *, int); -static void usage(void); - -static void sethname(char *hname) -{ - if(sethostname(hname, strlen(hname))) { - switch(errno) { - case EPERM: - fprintf(stderr,"%s: you must be root to change the host name\n", program_name); - break; - case EINVAL: - fprintf(stderr,"%s: name too long\n", program_name); - break; - default: - } - exit(1); - }; -} - -static void showhname(char *hname, int c) -{ - struct hostent *hp; - register char *p; - - if (!(hp = gethostbyname(hname))) { - herror(program_name); - exit(1); - } - - if (!(p = strchr(hp->h_name, '.'))) { - fprintf(stderr,"%s: can't find a FQDN for the host name `%s'\n", program_name, hname); - exit(1); - } - - switch(c) { - case 'd': - printf("%s\n", ++p); - break; - case 'f': - printf("%s\n", hp->h_name); - break; - case 's': - *p = '\0'; - printf("%s\n", hp->h_name); - break; - default: - } -} - -static void usage(void) -{ - printf("Usage: %s [OPTION]... [hostname]\n\n\ - -d, --domain display the DNS domain name\n\ - -F, --file filename read the host name from file\n\ - -f, --fqdn, --long display the long host name (FQDN)\n\ - -s, --short display the short host name\n\ - -h, --help display this help and exit\n\ - -v, --version output version information and exit\n\ -\n\ - When the program is called without any arguments, it displays the\n\ - current host name as set by the hostname command. If an argument\n\ - is given, the program will set the value of the host name to the\n\ - value specified.\n\ - Unless you are using bind or NIS for host lookups you can change the\n\ - FQDN (Fully Qualified Domain Name) and the DNS domain name (which is\n\ - part of the FQDN) in the /etc/hosts file.\n", program_name); -} - -int main(int argc, char **argv) -{ - int c; - int option_index = 0; - - char myname[MAXHOSTNAMELEN+1]; - - static const struct option long_options[] = - { - {"domain", no_argument, 0, 'd'}, - {"file", required_argument, 0, 'F'}, - {"fqdn", no_argument, 0, 'f'}, - {"help", no_argument, 0, 'h'}, - {"long", no_argument, 0, 'f'}, - {"short", no_argument, 0, 's'}, - {"version", no_argument, 0, 'v'}, - {0, 0, 0, 0} - }; - - program_name = (rindex(argv[0], '/')) ? rindex(argv[0], '/') + 1 : argv[0]; - - if (strcmp(program_name, "dnsdomainname") == 0) { - if (argc > 1) { - fprintf(stderr,"%s: You can't change the DNS domainname with this command\n", program_name); - fprintf(stderr,"\nUnless you are using bind or NIS for host lookups you can change the DNS\n"); - fprintf(stderr,"domain name (which is part of the FQDN) in the /etc/hosts file.\n"); - exit(1); - } - c = 'd'; - } else - c = getopt_long(argc, argv, "dfF:hsv", long_options, &option_index); - - gethostname(myname, sizeof(myname)); - - switch(c) - { - case 'd': - case 'f': - case 's': - showhname(myname, c); - break; - case 'F': - { - register FILE *fd; - register char *p; - char fline[MAXHOSTNAMELEN]; - - if ((fd = fopen(optarg, "r")) != NULL) { - while (fgets(fline, sizeof(fline), fd) != NULL) - if ((p = index(fline, '\n')) != NULL) { - *p = '\0'; - if (fline[0] == '#') - continue; - sethname(fline); - } - (void) fclose(fd); - } else { - fprintf(stderr,"%s: can't open `%s'\n", - program_name, optarg); - exit(1); - } - } - break; - case 'h': - usage(); - break; - case 'v': - printf("%s\n", version_string); - break; - case '?': - fprintf(stderr,"Try `%s --help' for more information.\n", program_name); - exit(1); - break; - case NO_OPT: - if (optind < argc) { - sethname(argv[optind]); - exit(0); - } - default: - printf("%s\n", myname); - - }; - exit(0); -} |