| /* vi: set sw=4 ts=4: */ |
| /* |
| * issue.c: issue printing code |
| * |
| * Copyright (C) 2003 Bastian Blank <waldi@tuxbox.org> |
| * |
| * Optimize and correcting OCRNL by Vladimir Oleynik <dzo@simtreas.ru> |
| * |
| * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| */ |
| |
| #include <sys/param.h> /* MAXHOSTNAMELEN */ |
| #include <stdio.h> |
| #include <unistd.h> |
| #include "libbb.h" |
| |
| #include <sys/utsname.h> |
| #include <time.h> |
| |
| #define LOGIN " login: " |
| |
| static const char fmtstr_d[] = "%A, %d %B %Y"; |
| static const char fmtstr_t[] = "%H:%M:%S"; |
| |
| void print_login_issue(const char *issue_file, const char *tty) |
| { |
| FILE *fd; |
| int c; |
| char buf[256+1]; |
| const char *outbuf; |
| time_t t; |
| struct utsname uts; |
| |
| time(&t); |
| uname(&uts); |
| |
| puts("\r"); /* start a new line */ |
| |
| fd = fopen(issue_file, "r"); |
| if (!fd) |
| return; |
| while ((c = fgetc(fd)) != EOF) { |
| outbuf = buf; |
| buf[0] = c; |
| buf[1] = '\0'; |
| if (c == '\n') { |
| buf[1] = '\r'; |
| buf[2] = '\0'; |
| } |
| if (c == '\\' || c == '%') { |
| c = fgetc(fd); |
| switch (c) { |
| case 's': |
| outbuf = uts.sysname; |
| break; |
| case 'n': |
| outbuf = uts.nodename; |
| break; |
| case 'r': |
| outbuf = uts.release; |
| break; |
| case 'v': |
| outbuf = uts.version; |
| break; |
| case 'm': |
| outbuf = uts.machine; |
| break; |
| case 'D': |
| case 'o': |
| c = getdomainname(buf, sizeof(buf) - 1); |
| buf[c >= 0 ? c : 0] = '\0'; |
| break; |
| case 'd': |
| strftime(buf, sizeof(buf), fmtstr_d, localtime(&t)); |
| break; |
| case 't': |
| strftime(buf, sizeof(buf), fmtstr_t, localtime(&t)); |
| break; |
| case 'h': |
| gethostname(buf, sizeof(buf) - 1); |
| buf[sizeof(buf) - 1] = '\0'; |
| break; |
| case 'l': |
| outbuf = tty; |
| break; |
| default: |
| buf[0] = c; |
| } |
| } |
| fputs(outbuf, stdout); |
| } |
| fclose(fd); |
| fflush(stdout); |
| } |
| |
| void print_login_prompt(void) |
| { |
| char buf[MAXHOSTNAMELEN+1]; |
| |
| if (gethostname(buf, MAXHOSTNAMELEN) == 0) |
| fputs(buf, stdout); |
| |
| fputs(LOGIN, stdout); |
| fflush(stdout); |
| } |