1 | /* |
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2 | * Copyright (c) 2008 Red Hat, Inc. All rights reserved. |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License, version 2, |
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6 | * as published by the Free Software Foundation. |
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7 | * |
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8 | * This program is distributed in the hope that it will be useful, |
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9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 | * GNU General Public License for more details. |
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12 | * |
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13 | * You should have received a copy of the GNU General Public License |
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14 | * along with this program; if not, write to the Free Software |
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15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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16 | * |
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17 | */ |
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18 | |
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19 | #include <fcntl.h> |
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20 | #include <stdio.h> |
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21 | #include <stdlib.h> |
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22 | #include <unistd.h> |
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23 | |
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24 | #include <sys/ioctl.h> |
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25 | #include <sys/stat.h> |
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26 | #include <sys/types.h> |
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27 | #include <sys/wait.h> |
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28 | |
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29 | #include <linux/kd.h> |
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30 | |
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31 | #include "shvar.h" |
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32 | |
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33 | static char *lang = NULL; |
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34 | static char *font = NULL; |
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35 | static char *acm = NULL; |
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36 | static char *unimap = NULL; |
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37 | static char *keymap = NULL; |
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38 | |
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39 | static int linux_console(int fd) { |
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40 | unsigned char twelve = 12; |
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41 | |
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42 | if (ioctl(fd, TIOCLINUX, &twelve) >= 0) |
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43 | return 1; |
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44 | return 0; |
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45 | } |
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46 | |
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47 | static int configured_as_utf8() { |
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48 | shvarFile *i18nfile = NULL; |
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49 | |
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50 | if ((i18nfile = svNewFile("/etc/sysconfig/i18n")) == NULL) |
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51 | return 1; /* assume UTF-8 */ |
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52 | |
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53 | lang = svGetValue(i18nfile, "LANG"); |
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54 | font = svGetValue(i18nfile, "SYSFONT"); |
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55 | acm = svGetValue(i18nfile, "SYSFONTACM"); |
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56 | unimap = svGetValue(i18nfile, "UNIMAP"); |
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57 | svCloseFile(i18nfile); |
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58 | if (!lang) |
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59 | return 1; |
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60 | if (g_str_has_suffix(lang,".utf8") || g_str_has_suffix(lang,".UTF-8")) |
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61 | return 1; |
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62 | return 0; |
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63 | } |
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64 | |
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65 | static int read_keymap() { |
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66 | shvarFile *keyboard = NULL; |
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67 | char *tmp; |
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68 | struct stat sb; |
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69 | |
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70 | if (!stat("/etc/sysconfig/console/default.kmap",&sb)) { |
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71 | keymap = "/etc/sysconfig/console/default.kmap"; |
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72 | return 0; |
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73 | } |
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74 | |
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75 | if ((keyboard = svNewFile("/etc/sysconfig/keyboard")) == NULL) |
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76 | return 0; |
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77 | |
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78 | tmp = svGetValue(keyboard, "KEYMAP"); |
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79 | if (tmp) |
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80 | keymap = tmp; |
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81 | tmp = svGetValue(keyboard, "KEYTABLE"); |
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82 | if (tmp) { |
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83 | if (keymap) free(keymap); |
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84 | asprintf(&keymap, "%s.map", tmp); |
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85 | } |
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86 | return 0; |
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87 | } |
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88 | |
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89 | static void set_font(char *device) { |
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90 | int pid, status; |
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91 | |
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92 | if ( (pid = fork()) == 0) { |
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93 | char *args[] = { "setfont", "latarcyrheb-sun16", "-m", "none", |
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94 | "-u", "none", "-C", NULL, NULL }; |
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95 | |
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96 | if (font) |
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97 | args[1] = font; |
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98 | if (acm) { |
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99 | args[3] = acm; |
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100 | } |
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101 | if (unimap) { |
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102 | args[5] = unimap; |
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103 | } |
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104 | args[7] = device; |
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105 | execv("/bin/setfont", args); |
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106 | exit(1); |
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107 | } |
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108 | } |
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109 | |
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110 | static void set_keyboard(int fd, int utf8) { |
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111 | if (ioctl(fd, KDSKBMODE, utf8 ? K_UNICODE : K_XLATE)) |
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112 | perror("could not set keyboard mode"); |
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113 | } |
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114 | |
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115 | static void set_terminal(int fd, int utf8) { |
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116 | if (utf8) |
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117 | write(fd, "\033%G", 3); |
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118 | else |
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119 | write(fd, "\033%@", 3); |
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120 | } |
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121 | |
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122 | static void set_keymap(int fd, int utf8) { |
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123 | int pid, status; |
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124 | |
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125 | if ((pid = fork()) == 0) { |
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126 | char *args[] = { "loadkeys", NULL, NULL, NULL }; |
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127 | dup2(fd, 0); |
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128 | dup2(fd, 1); |
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129 | |
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130 | if (utf8) { |
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131 | args[1] = "-u"; |
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132 | args[2] = keymap; |
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133 | } else { |
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134 | args[1] = keymap; |
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135 | } |
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136 | execv("/bin/loadkeys", args); |
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137 | exit(1); |
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138 | } |
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139 | } |
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140 | |
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141 | int main(int argc, char **argv) { |
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142 | char *device; |
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143 | int dev; |
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144 | |
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145 | if (argc < 2) { |
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146 | printf("usage: console_init <device>\n"); |
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147 | exit(1); |
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148 | } |
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149 | chdir("/dev"); |
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150 | device = argv[1]; |
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151 | dev = open(device, O_RDWR); |
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152 | if (linux_console(dev)) { |
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153 | int utf8 = configured_as_utf8(); |
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154 | |
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155 | set_keyboard(dev, utf8); |
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156 | set_terminal(dev, utf8); |
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157 | set_font(device); |
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158 | read_keymap(); |
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159 | if (keymap) |
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160 | set_keymap(dev,utf8); |
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161 | } |
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162 | return 0; |
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163 | } |
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