[821] | 1 | /*
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| 2 | * issue.c: issue printing code
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| 3 | *
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| 4 | * Copyright (C) 2003 Bastian Blank <waldi@tuxbox.org>
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 19 | *
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| 20 | * Optimize and correcting OCRNL by Vladimir Oleynik <dzo@simtreas.ru>
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| 21 | */
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| 22 |
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| 23 | #include <sys/param.h> /* MAXHOSTNAMELEN */
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| 24 | #include <stdio.h>
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| 25 | #include <unistd.h>
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| 26 | #include "libbb.h"
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| 27 |
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| 28 | #include <sys/utsname.h>
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| 29 | #include <time.h>
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| 30 |
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| 31 | #define LOGIN " login: "
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| 32 |
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| 33 | static const char fmtstr_d[] = "%A, %d %B %Y";
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| 34 | static const char fmtstr_t[] = "%H:%M:%S";
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| 35 |
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| 36 | void print_login_issue(const char *issue_file, const char *tty)
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| 37 | {
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| 38 | FILE *fd;
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| 39 | int c;
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| 40 | char buf[256+1];
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| 41 | const char *outbuf;
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| 42 | time_t t;
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| 43 | struct utsname uts;
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| 44 |
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| 45 | time(&t);
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| 46 | uname(&uts);
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| 47 |
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| 48 | puts("\r"); /* start a new line */
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| 49 |
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| 50 | if ((fd = fopen(issue_file, "r"))) {
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| 51 | while ((c = fgetc(fd)) != EOF) {
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| 52 | outbuf = buf;
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| 53 | buf[0] = c;
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| 54 | if(c == '\n') {
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| 55 | buf[1] = '\r';
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| 56 | buf[2] = 0;
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| 57 | } else {
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| 58 | buf[1] = 0;
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| 59 | }
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| 60 | if (c == '\\' || c == '%') {
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| 61 | c = fgetc(fd);
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| 62 | switch (c) {
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| 63 | case 's':
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| 64 | outbuf = uts.sysname;
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| 65 | break;
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| 66 |
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| 67 | case 'n':
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| 68 | outbuf = uts.nodename;
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| 69 | break;
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| 70 |
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| 71 | case 'r':
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| 72 | outbuf = uts.release;
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| 73 | break;
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| 74 |
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| 75 | case 'v':
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| 76 | outbuf = uts.version;
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| 77 | break;
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| 78 |
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| 79 | case 'm':
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| 80 | outbuf = uts.machine;
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| 81 | break;
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| 82 |
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| 83 | case 'D':
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| 84 | case 'o':
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| 85 | c = getdomainname(buf, sizeof(buf) - 1);
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| 86 | buf[c >= 0 ? c : 0] = '\0';
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| 87 | break;
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| 88 |
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| 89 | case 'd':
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| 90 | strftime(buf, sizeof(buf), fmtstr_d, localtime(&t));
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| 91 | break;
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| 92 |
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| 93 | case 't':
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| 94 | strftime(buf, sizeof(buf), fmtstr_t, localtime(&t));
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| 95 | break;
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| 96 |
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| 97 | case 'h':
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| 98 | gethostname(buf, sizeof(buf) - 1);
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| 99 | buf[sizeof(buf) - 1] = '\0';
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| 100 | break;
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| 101 |
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| 102 | case 'l':
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| 103 | outbuf = tty;
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| 104 | break;
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| 105 |
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| 106 | default:
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| 107 | buf[0] = c;
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| 108 | }
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| 109 | }
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| 110 | fputs(outbuf, stdout);
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| 111 | }
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| 112 |
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| 113 | fclose(fd);
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| 114 |
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| 115 | fflush(stdout);
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| 116 | }
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| 117 | }
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| 118 |
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| 119 | void print_login_prompt(void)
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| 120 | {
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| 121 | char buf[MAXHOSTNAMELEN+1];
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| 122 |
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| 123 | if(gethostname(buf, MAXHOSTNAMELEN) == 0)
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| 124 | fputs(buf, stdout);
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| 125 |
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| 126 | fputs(LOGIN, stdout);
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| 127 | fflush(stdout);
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| 128 | }
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| 129 |
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