diff options
Diffstat (limited to 'hostname.c')
| -rw-r--r-- | hostname.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/hostname.c b/hostname.c deleted file mode 100644 index d87851509..000000000 --- a/hostname.c +++ /dev/null | |||
| @@ -1,128 +0,0 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * $Id: hostname.c,v 1.30 2001/06/26 02:06:08 bug1 Exp $ | ||
| 4 | * Mini hostname implementation for busybox | ||
| 5 | * | ||
| 6 | * Copyright (C) 1999 by Randolph Chung <tausq@debian.org> | ||
| 7 | * | ||
| 8 | * adjusted by Erik Andersen <andersee@debian.org> to remove | ||
| 9 | * use of long options and GNU getopt. Improved the usage info. | ||
| 10 | * | ||
| 11 | * This program is free software; you can redistribute it and/or modify | ||
| 12 | * it under the terms of the GNU General Public License as published by | ||
| 13 | * the Free Software Foundation; either version 2 of the License, or | ||
| 14 | * (at your option) any later version. | ||
| 15 | * | ||
| 16 | * This program is distributed in the hope that it will be useful, | ||
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 19 | * General Public License for more details. | ||
| 20 | * | ||
| 21 | * You should have received a copy of the GNU General Public License | ||
| 22 | * along with this program; if not, write to the Free Software | ||
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 24 | */ | ||
| 25 | |||
| 26 | #include <errno.h> | ||
| 27 | #include <arpa/inet.h> | ||
| 28 | #include <netdb.h> | ||
| 29 | #include <unistd.h> | ||
| 30 | #include <string.h> | ||
| 31 | #include <stdio.h> | ||
| 32 | #include <stdlib.h> | ||
| 33 | #include "busybox.h" | ||
| 34 | |||
| 35 | static void do_sethostname(char *s, int isfile) | ||
| 36 | { | ||
| 37 | FILE *f; | ||
| 38 | char buf[255]; | ||
| 39 | |||
| 40 | if (!s) | ||
| 41 | return; | ||
| 42 | if (!isfile) { | ||
| 43 | if (sethostname(s, strlen(s)) < 0) { | ||
| 44 | if (errno == EPERM) | ||
| 45 | error_msg_and_die("you must be root to change the hostname"); | ||
| 46 | else | ||
| 47 | perror_msg_and_die("sethostname"); | ||
| 48 | } | ||
| 49 | } else { | ||
| 50 | f = xfopen(s, "r"); | ||
| 51 | fgets(buf, 255, f); | ||
| 52 | #ifdef BB_FEATURE_CLEAN_UP | ||
| 53 | fclose(f); | ||
| 54 | #endif | ||
| 55 | chomp(buf); | ||
| 56 | do_sethostname(buf, 0); | ||
| 57 | } | ||
| 58 | } | ||
| 59 | |||
| 60 | int hostname_main(int argc, char **argv) | ||
| 61 | { | ||
| 62 | int opt_short = 0; | ||
| 63 | int opt_domain = 0; | ||
| 64 | int opt_ip = 0; | ||
| 65 | struct hostent *h; | ||
| 66 | char *filename = NULL; | ||
| 67 | char buf[255]; | ||
| 68 | char *s = NULL; | ||
| 69 | |||
| 70 | if (argc < 1) | ||
| 71 | show_usage(); | ||
| 72 | |||
| 73 | while (--argc > 0 && **(++argv) == '-') { | ||
| 74 | while (*(++(*argv))) { | ||
| 75 | switch (**argv) { | ||
| 76 | case 's': | ||
| 77 | opt_short = 1; | ||
| 78 | break; | ||
| 79 | case 'i': | ||
| 80 | opt_ip = 1; | ||
| 81 | break; | ||
| 82 | case 'd': | ||
| 83 | opt_domain = 1; | ||
| 84 | break; | ||
| 85 | case 'F': | ||
| 86 | if (--argc == 0) { | ||
| 87 | show_usage(); | ||
| 88 | } | ||
| 89 | filename = *(++argv); | ||
| 90 | break; | ||
| 91 | case '-': | ||
| 92 | if (strcmp(++(*argv), "file") || --argc ==0 ) { | ||
| 93 | show_usage(); | ||
| 94 | } | ||
| 95 | filename = *(++argv); | ||
| 96 | break; | ||
| 97 | default: | ||
| 98 | show_usage(); | ||
| 99 | } | ||
| 100 | if (filename != NULL) | ||
| 101 | break; | ||
| 102 | } | ||
| 103 | } | ||
| 104 | |||
| 105 | if (argc >= 1) { | ||
| 106 | do_sethostname(*argv, 0); | ||
| 107 | } else if (filename != NULL) { | ||
| 108 | do_sethostname(filename, 1); | ||
| 109 | } else { | ||
| 110 | gethostname(buf, 255); | ||
| 111 | if (opt_short) { | ||
| 112 | s = strchr(buf, '.'); | ||
| 113 | if (!s) | ||
| 114 | s = buf; | ||
| 115 | *s = 0; | ||
| 116 | puts(buf); | ||
| 117 | } else if (opt_domain) { | ||
| 118 | s = strchr(buf, '.'); | ||
| 119 | puts(s ? s + 1 : ""); | ||
| 120 | } else if (opt_ip) { | ||
| 121 | h = xgethostbyname(buf); | ||
| 122 | puts(inet_ntoa(*(struct in_addr *) (h->h_addr))); | ||
| 123 | } else { | ||
| 124 | puts(buf); | ||
| 125 | } | ||
| 126 | } | ||
| 127 | return(0); | ||
| 128 | } | ||