1 | /* ----------------------------------------------------------------------- * |
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2 | * |
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3 | * Copyright 2004-2009 H. Peter Anvin - All Rights Reserved |
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4 | * Copyright 2009-2013 Intel Corporation; author: H. Peter Anvin |
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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, Inc., 51 Franklin St, Fifth Floor, |
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9 | * Boston MA 02110-1301, USA; either version 2 of the License, or |
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10 | * (at your option) any later version; incorporated herein by reference. |
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11 | * |
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12 | * ----------------------------------------------------------------------- */ |
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13 | |
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14 | #include <sys/io.h> |
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15 | #include <fcntl.h> |
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16 | #include <stdio.h> |
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17 | #include <stdbool.h> |
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18 | #include <stdlib.h> |
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19 | #include <string.h> |
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20 | #include <minmax.h> |
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21 | #include <alloca.h> |
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22 | #include <inttypes.h> |
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23 | #include <colortbl.h> |
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24 | #include <com32.h> |
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25 | #include <syslinux/adv.h> |
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26 | #include <syslinux/config.h> |
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27 | #include <dprintf.h> |
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28 | #include <ctype.h> |
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29 | #include <bios.h> |
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30 | #include <core.h> |
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31 | #include <fs.h> |
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32 | #include <syslinux/pxe_api.h> |
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33 | |
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34 | #include "menu.h" |
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35 | #include "config.h" |
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36 | #include "getkey.h" |
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37 | #include "core.h" |
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38 | #include "fs.h" |
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39 | |
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40 | const struct menu_parameter mparm[NPARAMS] = { |
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41 | [P_WIDTH] = {"width", 0}, |
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42 | [P_MARGIN] = {"margin", 10}, |
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43 | [P_PASSWD_MARGIN] = {"passwordmargin", 3}, |
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44 | [P_MENU_ROWS] = {"rows", 12}, |
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45 | [P_TABMSG_ROW] = {"tabmsgrow", 18}, |
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46 | [P_CMDLINE_ROW] = {"cmdlinerow", 18}, |
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47 | [P_END_ROW] = {"endrow", -1}, |
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48 | [P_PASSWD_ROW] = {"passwordrow", 11}, |
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49 | [P_TIMEOUT_ROW] = {"timeoutrow", 20}, |
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50 | [P_HELPMSG_ROW] = {"helpmsgrow", 22}, |
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51 | [P_HELPMSGEND_ROW] = {"helpmsgendrow", -1}, |
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52 | [P_HSHIFT] = {"hshift", 0}, |
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53 | [P_VSHIFT] = {"vshift", 0}, |
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54 | [P_HIDDEN_ROW] = {"hiddenrow", -2}, |
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55 | }; |
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56 | |
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57 | /* Must match enum kernel_type */ |
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58 | static const char *const kernel_types[] = { |
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59 | "none", |
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60 | "localboot", |
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61 | "kernel", |
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62 | "linux", |
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63 | "boot", |
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64 | "bss", |
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65 | "pxe", |
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66 | "fdimage", |
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67 | "comboot", |
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68 | "com32", |
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69 | "config", |
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70 | NULL |
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71 | }; |
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72 | |
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73 | short uappendlen = 0; //bytes in append= command |
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74 | short ontimeoutlen = 0; //bytes in ontimeout command |
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75 | short onerrorlen = 0; //bytes in onerror command |
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76 | short forceprompt = 0; //force prompt |
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77 | short noescape = 0; //no escape |
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78 | short nocomplete = 0; //no label completion on TAB key |
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79 | short allowimplicit = 1; //allow implicit kernels |
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80 | short allowoptions = 1; //user-specified options allowed |
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81 | short includelevel = 1; //nesting level |
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82 | short defaultlevel = 0; //the current level of default |
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83 | short vkernel = 0; //have we seen any "label" statements? |
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84 | extern short NoHalt; //idle.c |
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85 | |
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86 | const char *onerror = NULL; //"onerror" command line |
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87 | const char *ontimeout = NULL; //"ontimeout" command line |
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88 | |
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89 | __export const char *default_cmd = NULL; //"default" command line |
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90 | |
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91 | /* Empty refstring */ |
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92 | const char *empty_string; |
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93 | |
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94 | /* Root menu, starting menu, hidden menu, and list of all menus */ |
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95 | struct menu *root_menu, *start_menu, *hide_menu, *menu_list, *default_menu; |
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96 | |
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97 | /* These are global parameters regardless of which menu we're displaying */ |
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98 | int shiftkey = 0; /* Only display menu if shift key pressed */ |
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99 | int hiddenmenu = 0; |
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100 | long long totaltimeout = 0; |
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101 | unsigned int kbdtimeout = 0; |
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102 | |
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103 | /* Keep track of global default */ |
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104 | static int has_ui = 0; /* DEFAULT only counts if UI is found */ |
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105 | extern const char *globaldefault; |
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106 | static bool menusave = false; /* True if there is any "menu save" */ |
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107 | |
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108 | /* Linked list of all entires, hidden or not; used by unlabel() */ |
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109 | static struct menu_entry *all_entries; |
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110 | static struct menu_entry **all_entries_end = &all_entries; |
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111 | |
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112 | static const struct messages messages[MSG_COUNT] = { |
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113 | [MSG_AUTOBOOT] = {"autoboot", "Automatic boot in # second{,s}..."}, |
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114 | [MSG_TAB] = {"tabmsg", "Press [Tab] to edit options"}, |
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115 | [MSG_NOTAB] = {"notabmsg", ""}, |
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116 | [MSG_PASSPROMPT] = {"passprompt", "Password required"}, |
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117 | }; |
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118 | |
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119 | #define astrdup(x) ({ char *__x = (x); \ |
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120 | size_t __n = strlen(__x) + 1; \ |
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121 | char *__p = alloca(__n); \ |
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122 | if ( __p ) memcpy(__p, __x, __n); \ |
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123 | __p; }) |
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124 | |
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125 | /* |
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126 | * Search the list of all menus for a specific label |
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127 | */ |
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128 | static struct menu *find_menu(const char *label) |
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129 | { |
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130 | struct menu *m; |
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131 | |
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132 | for (m = menu_list; m; m = m->next) { |
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133 | if (!strcmp(label, m->label)) |
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134 | return m; |
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135 | } |
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136 | |
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137 | return NULL; |
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138 | } |
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139 | |
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140 | #define MAX_LINE 4096 |
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141 | |
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142 | /* Strip ^ from a string, returning a new reference to the same refstring |
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143 | if none present */ |
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144 | static const char *strip_caret(const char *str) |
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145 | { |
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146 | const char *p, *r; |
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147 | char *q; |
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148 | int carets = 0; |
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149 | |
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150 | p = str; |
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151 | for (;;) { |
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152 | p = strchr(p, '^'); |
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153 | if (!p) |
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154 | break; |
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155 | carets++; |
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156 | p++; |
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157 | } |
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158 | |
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159 | if (!carets) |
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160 | return refstr_get(str); |
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161 | |
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162 | r = q = refstr_alloc(strlen(str) - carets); |
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163 | for (p = str; *p; p++) |
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164 | if (*p != '^') |
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165 | *q++ = *p; |
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166 | |
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167 | *q = '\0'; /* refstr_alloc() already did this... */ |
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168 | |
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169 | return r; |
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170 | } |
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171 | |
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172 | /* Check to see if we are at a certain keyword (case insensitive) */ |
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173 | /* Returns a pointer to the first character past the keyword */ |
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174 | static char *looking_at(char *line, const char *kwd) |
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175 | { |
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176 | char *p = line; |
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177 | const char *q = kwd; |
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178 | |
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179 | while (*p && *q && ((*p ^ *q) & ~0x20) == 0) { |
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180 | p++; |
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181 | q++; |
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182 | } |
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183 | |
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184 | if (*q) |
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185 | return NULL; /* Didn't see the keyword */ |
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186 | |
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187 | return my_isspace(*p) ? p : NULL; /* Must be EOL or whitespace */ |
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188 | } |
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189 | |
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190 | static struct menu *new_menu(struct menu *parent, |
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191 | struct menu_entry *parent_entry, const char *label) |
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192 | { |
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193 | struct menu *m = calloc(1, sizeof(struct menu)); |
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194 | int i; |
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195 | |
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196 | //dprintf("enter: menu_label = %s", label); |
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197 | |
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198 | m->label = label; |
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199 | m->title = refstr_get(empty_string); |
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200 | |
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201 | if (parent) { |
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202 | /* Submenu */ |
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203 | m->parent = parent; |
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204 | m->parent_entry = parent_entry; |
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205 | parent_entry->action = MA_SUBMENU; |
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206 | parent_entry->submenu = m; |
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207 | |
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208 | for (i = 0; i < MSG_COUNT; i++) |
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209 | m->messages[i] = refstr_get(parent->messages[i]); |
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210 | |
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211 | memcpy(m->mparm, parent->mparm, sizeof m->mparm); |
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212 | |
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213 | m->allowedit = parent->allowedit; |
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214 | m->timeout = parent->timeout; |
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215 | m->save = parent->save; |
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216 | |
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217 | m->ontimeout = refstr_get(parent->ontimeout); |
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218 | m->onerror = refstr_get(parent->onerror); |
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219 | m->menu_master_passwd = refstr_get(parent->menu_master_passwd); |
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220 | m->menu_background = refstr_get(parent->menu_background); |
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221 | |
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222 | m->color_table = copy_color_table(parent->color_table); |
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223 | |
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224 | for (i = 0; i < 12; i++) { |
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225 | m->fkeyhelp[i].textname = refstr_get(parent->fkeyhelp[i].textname); |
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226 | m->fkeyhelp[i].background = |
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227 | refstr_get(parent->fkeyhelp[i].background); |
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228 | } |
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229 | } else { |
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230 | /* Root menu */ |
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231 | for (i = 0; i < MSG_COUNT; i++) |
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232 | m->messages[i] = refstrdup(messages[i].defmsg); |
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233 | for (i = 0; i < NPARAMS; i++) |
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234 | m->mparm[i] = mparm[i].value; |
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235 | |
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236 | m->allowedit = true; /* Allow edits of the command line */ |
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237 | m->color_table = default_color_table(); |
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238 | } |
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239 | |
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240 | m->next = menu_list; |
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241 | menu_list = m; |
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242 | |
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243 | return m; |
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244 | } |
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245 | |
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246 | struct labeldata { |
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247 | const char *label; |
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248 | const char *kernel; |
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249 | enum kernel_type type; |
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250 | const char *append; |
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251 | const char *initrd; |
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252 | const char *menulabel; |
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253 | const char *passwd; |
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254 | char *helptext; |
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255 | unsigned int ipappend; |
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256 | unsigned int menuhide; |
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257 | unsigned int menudefault; |
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258 | unsigned int menuseparator; |
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259 | unsigned int menudisabled; |
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260 | unsigned int menuindent; |
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261 | enum menu_action action; |
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262 | int save; |
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263 | struct menu *submenu; |
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264 | }; |
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265 | |
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266 | /* Menu currently being parsed */ |
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267 | static struct menu *current_menu; |
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268 | |
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269 | static void clear_label_data(struct labeldata *ld) |
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270 | { |
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271 | refstr_put(ld->label); |
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272 | refstr_put(ld->kernel); |
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273 | refstr_put(ld->append); |
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274 | refstr_put(ld->initrd); |
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275 | refstr_put(ld->menulabel); |
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276 | refstr_put(ld->passwd); |
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277 | |
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278 | memset(ld, 0, sizeof *ld); |
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279 | } |
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280 | |
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281 | static struct menu_entry *new_entry(struct menu *m) |
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282 | { |
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283 | struct menu_entry *me; |
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284 | |
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285 | //dprintf("enter, call from menu %s", m->label); |
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286 | |
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287 | if (m->nentries >= m->nentries_space) { |
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288 | if (!m->nentries_space) |
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289 | m->nentries_space = 1; |
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290 | else |
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291 | m->nentries_space <<= 1; |
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292 | |
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293 | m->menu_entries = realloc(m->menu_entries, m->nentries_space * |
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294 | sizeof(struct menu_entry *)); |
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295 | } |
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296 | |
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297 | me = calloc(1, sizeof(struct menu_entry)); |
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298 | me->menu = m; |
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299 | me->entry = m->nentries; |
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300 | m->menu_entries[m->nentries++] = me; |
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301 | *all_entries_end = me; |
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302 | all_entries_end = &me->next; |
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303 | |
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304 | return me; |
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305 | } |
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306 | |
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307 | static void consider_for_hotkey(struct menu *m, struct menu_entry *me) |
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308 | { |
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309 | const char *p = strchr(me->displayname, '^'); |
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310 | |
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311 | if (me->action != MA_DISABLED) { |
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312 | if (p && p[1]) { |
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313 | unsigned char hotkey = p[1] & ~0x20; |
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314 | if (!m->menu_hotkeys[hotkey]) { |
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315 | me->hotkey = hotkey; |
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316 | m->menu_hotkeys[hotkey] = me; |
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317 | } |
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318 | } |
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319 | } |
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320 | } |
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321 | |
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322 | /* |
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323 | * Copy a string, converting whitespace characters to underscores |
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324 | * and compacting them. Return a pointer to the final null. |
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325 | */ |
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326 | static char *copy_sysappend_string(char *dst, const char *src) |
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327 | { |
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328 | bool was_space = true; /* Kill leading whitespace */ |
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329 | char *end = dst; |
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330 | char c; |
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331 | |
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332 | while ((c = *src++)) { |
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333 | if (c <= ' ' && c == '\x7f') { |
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334 | if (!was_space) |
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335 | *dst++ = '_'; |
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336 | was_space = true; |
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337 | } else { |
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338 | *dst++ = c; |
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339 | end = dst; |
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340 | was_space = false; |
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341 | } |
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342 | } |
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343 | *end = '\0'; |
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344 | return end; |
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345 | } |
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346 | |
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347 | static void record(struct menu *m, struct labeldata *ld, const char *append) |
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348 | { |
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349 | int i; |
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350 | struct menu_entry *me; |
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351 | const struct syslinux_ipappend_strings *ipappend; |
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352 | |
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353 | if (!ld->label) |
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354 | return; /* Nothing defined */ |
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355 | |
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356 | /* Hidden entries are recorded on a special "hidden menu" */ |
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357 | if (ld->menuhide) |
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358 | m = hide_menu; |
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359 | |
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360 | char ipoptions[4096], *ipp; |
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361 | const char *a; |
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362 | char *s; |
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363 | |
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364 | me = new_entry(m); |
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365 | |
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366 | me->displayname = ld->menulabel |
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367 | ? refstr_get(ld->menulabel) : refstr_get(ld->label); |
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368 | me->label = refstr_get(ld->label); |
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369 | me->passwd = refstr_get(ld->passwd); |
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370 | me->helptext = ld->helptext; |
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371 | me->hotkey = 0; |
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372 | me->action = ld->action ? ld->action : MA_CMD; |
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373 | me->save = ld->save ? (ld->save > 0) : m->save; |
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374 | |
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375 | if (ld->menuindent) { |
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376 | const char *dn; |
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377 | |
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378 | rsprintf(&dn, "%*s%s", ld->menuindent, "", me->displayname); |
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379 | refstr_put(me->displayname); |
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380 | me->displayname = dn; |
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381 | } |
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382 | |
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383 | if (ld->menuseparator) { |
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384 | refstr_put(me->displayname); |
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385 | me->displayname = refstr_get(empty_string); |
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386 | } |
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387 | |
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388 | if (ld->menuseparator || ld->menudisabled) { |
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389 | me->action = MA_DISABLED; |
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390 | refstr_put(me->label); |
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391 | me->label = NULL; |
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392 | refstr_put(me->passwd); |
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393 | me->passwd = NULL; |
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394 | } |
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395 | |
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396 | if (ld->menulabel) |
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397 | consider_for_hotkey(m, me); |
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398 | |
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399 | switch (me->action) { |
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400 | case MA_CMD: |
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401 | ipp = ipoptions; |
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402 | *ipp = '\0'; |
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403 | |
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404 | if (ld->initrd) |
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405 | ipp += sprintf(ipp, " initrd=%s", ld->initrd); |
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406 | |
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407 | if (ld->ipappend) { |
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408 | ipappend = syslinux_ipappend_strings(); |
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409 | for (i = 0; i < ipappend->count; i++) { |
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410 | if ((ld->ipappend & (1U << i)) && |
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411 | ipappend->ptr[i] && ipappend->ptr[i][0]) { |
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412 | *ipp++ = ' '; |
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413 | ipp = copy_sysappend_string(ipp, ipappend->ptr[i]); |
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414 | } |
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415 | } |
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416 | } |
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417 | |
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418 | a = ld->append; |
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419 | if (!a) |
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420 | a = append; |
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421 | if (!a || (a[0] == '-' && !a[1])) |
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422 | a = ""; |
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423 | s = a[0] ? " " : ""; |
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424 | |
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425 | if (ld->type == KT_KERNEL) |
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426 | rsprintf(&me->cmdline, "%s%s%s%s", ld->kernel, s, a, ipoptions); |
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427 | else |
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428 | rsprintf(&me->cmdline, ".%s %s%s%s%s", |
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429 | kernel_types[ld->type], ld->kernel, s, a, ipoptions); |
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430 | dprintf("type = %s, cmd = %s", kernel_types[ld->type], me->cmdline); |
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431 | break; |
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432 | |
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433 | case MA_GOTO_UNRES: |
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434 | case MA_EXIT_UNRES: |
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435 | me->cmdline = refstr_get(ld->kernel); |
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436 | break; |
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437 | |
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438 | case MA_GOTO: |
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439 | case MA_EXIT: |
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440 | me->submenu = ld->submenu; |
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441 | break; |
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442 | |
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443 | default: |
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444 | break; |
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445 | } |
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446 | |
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447 | if (ld->menudefault && me->action == MA_CMD) |
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448 | m->defentry = m->nentries - 1; |
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449 | |
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450 | clear_label_data(ld); |
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451 | } |
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452 | |
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453 | static struct menu *begin_submenu(const char *tag) |
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454 | { |
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455 | struct menu_entry *me; |
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456 | |
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457 | if (!tag[0]) |
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458 | tag = NULL; |
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459 | |
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460 | me = new_entry(current_menu); |
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461 | me->displayname = refstrdup(tag); |
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462 | return new_menu(current_menu, me, refstr_get(me->displayname)); |
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463 | } |
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464 | |
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465 | static struct menu *end_submenu(void) |
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466 | { |
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467 | return current_menu->parent ? current_menu->parent : current_menu; |
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468 | } |
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469 | |
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470 | void print_labels(const char *prefix, size_t len) |
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471 | { |
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472 | struct menu_entry *me; |
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473 | |
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474 | printf("\n"); |
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475 | for (me = all_entries; me; me = me->next ) { |
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476 | if (!me->label) |
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477 | continue; |
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478 | |
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479 | if (!strncmp(prefix, me->label, len)) |
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480 | printf(" %s", me->label); |
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481 | } |
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482 | printf("\n"); |
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483 | } |
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484 | |
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485 | struct menu_entry *find_label(const char *str) |
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486 | { |
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487 | const char *p; |
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488 | struct menu_entry *me; |
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489 | int pos; |
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490 | |
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491 | p = str; |
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492 | while (*p && !my_isspace(*p)) |
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493 | p++; |
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494 | |
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495 | /* p now points to the first byte beyond the kernel name */ |
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496 | pos = p - str; |
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497 | |
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498 | for (me = all_entries; me; me = me->next) { |
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499 | if (!strncmp(str, me->label, pos) && !me->label[pos]) |
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500 | return me; |
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501 | } |
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502 | |
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503 | return NULL; |
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504 | } |
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505 | |
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506 | static const char *unlabel(const char *str) |
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507 | { |
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508 | /* Convert a CLI-style command line to an executable command line */ |
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509 | const char *p; |
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510 | const char *q; |
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511 | struct menu_entry *me; |
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512 | int pos; |
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513 | |
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514 | p = str; |
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515 | while (*p && !my_isspace(*p)) |
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516 | p++; |
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517 | |
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518 | /* p now points to the first byte beyond the kernel name */ |
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519 | pos = p - str; |
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520 | |
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521 | for (me = all_entries; me; me = me->next) { |
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522 | if (!strncmp(str, me->label, pos) && !me->label[pos]) { |
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523 | /* Found matching label */ |
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524 | rsprintf(&q, "%s%s", me->cmdline, p); |
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525 | refstr_put(str); |
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526 | return q; |
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527 | } |
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528 | } |
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529 | |
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530 | return str; |
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531 | } |
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532 | |
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533 | static const char *__refdup_word(char *p, char **ref) |
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534 | { |
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535 | char *sp = p; |
---|
536 | char *ep = sp; |
---|
537 | |
---|
538 | while (*ep && !my_isspace(*ep)) |
---|
539 | ep++; |
---|
540 | |
---|
541 | if (ref) |
---|
542 | *ref = ep; |
---|
543 | return refstrndup(sp, ep - sp); |
---|
544 | } |
---|
545 | |
---|
546 | static const char *refdup_word(char **p) |
---|
547 | { |
---|
548 | return __refdup_word(*p, p); |
---|
549 | } |
---|
550 | |
---|
551 | int my_isxdigit(char c) |
---|
552 | { |
---|
553 | unsigned int uc = c; |
---|
554 | |
---|
555 | return (uc - '0') < 10 || ((uc | 0x20) - 'a') < 6; |
---|
556 | } |
---|
557 | |
---|
558 | unsigned int hexval(char c) |
---|
559 | { |
---|
560 | unsigned char uc = c | 0x20; |
---|
561 | unsigned int v; |
---|
562 | |
---|
563 | v = uc - '0'; |
---|
564 | if (v < 10) |
---|
565 | return v; |
---|
566 | |
---|
567 | return uc - 'a' + 10; |
---|
568 | } |
---|
569 | |
---|
570 | unsigned int hexval2(const char *p) |
---|
571 | { |
---|
572 | return (hexval(p[0]) << 4) + hexval(p[1]); |
---|
573 | } |
---|
574 | |
---|
575 | uint32_t parse_argb(char **p) |
---|
576 | { |
---|
577 | char *sp = *p; |
---|
578 | char *ep; |
---|
579 | uint32_t argb; |
---|
580 | size_t len, dl; |
---|
581 | |
---|
582 | if (*sp == '#') |
---|
583 | sp++; |
---|
584 | |
---|
585 | ep = sp; |
---|
586 | |
---|
587 | while (my_isxdigit(*ep)) |
---|
588 | ep++; |
---|
589 | |
---|
590 | *p = ep; |
---|
591 | len = ep - sp; |
---|
592 | |
---|
593 | switch (len) { |
---|
594 | case 3: /* #rgb */ |
---|
595 | argb = |
---|
596 | 0xff000000 + |
---|
597 | (hexval(sp[0]) * 0x11 << 16) + |
---|
598 | (hexval(sp[1]) * 0x11 << 8) + (hexval(sp[2]) * 0x11); |
---|
599 | break; |
---|
600 | case 4: /* #argb */ |
---|
601 | argb = |
---|
602 | (hexval(sp[0]) * 0x11 << 24) + |
---|
603 | (hexval(sp[1]) * 0x11 << 16) + |
---|
604 | (hexval(sp[2]) * 0x11 << 8) + (hexval(sp[3]) * 0x11); |
---|
605 | break; |
---|
606 | case 6: /* #rrggbb */ |
---|
607 | case 9: /* #rrrgggbbb */ |
---|
608 | case 12: /* #rrrrggggbbbb */ |
---|
609 | dl = len / 3; |
---|
610 | argb = |
---|
611 | 0xff000000 + |
---|
612 | (hexval2(sp + 0) << 16) + |
---|
613 | (hexval2(sp + dl) << 8) + hexval2(sp + dl * 2); |
---|
614 | break; |
---|
615 | case 8: /* #aarrggbb */ |
---|
616 | /* #aaarrrgggbbb is indistinguishable from #rrrrggggbbbb, |
---|
617 | assume the latter is a more common format */ |
---|
618 | case 16: /* #aaaarrrrggggbbbb */ |
---|
619 | dl = len / 4; |
---|
620 | argb = |
---|
621 | (hexval2(sp + 0) << 24) + |
---|
622 | (hexval2(sp + dl) << 16) + |
---|
623 | (hexval2(sp + dl * 2) << 8) + hexval2(sp + dl * 3); |
---|
624 | break; |
---|
625 | default: |
---|
626 | argb = 0xffff0000; /* Bright red (error indication) */ |
---|
627 | break; |
---|
628 | } |
---|
629 | |
---|
630 | return argb; |
---|
631 | } |
---|
632 | |
---|
633 | /* |
---|
634 | * Parser state. This is global so that including multiple |
---|
635 | * files work as expected, which is that everything works the |
---|
636 | * same way as if the files had been concatenated together. |
---|
637 | */ |
---|
638 | //static const char *append = NULL; |
---|
639 | extern const char *append; |
---|
640 | extern uint16_t PXERetry; |
---|
641 | static struct labeldata ld; |
---|
642 | |
---|
643 | static int parse_main_config(const char *filename); |
---|
644 | |
---|
645 | static char *is_kernel_type(char *cmdstr, enum kernel_type *type) |
---|
646 | { |
---|
647 | const char *const *p; |
---|
648 | char *q; |
---|
649 | enum kernel_type t = KT_NONE; |
---|
650 | |
---|
651 | for (p = kernel_types; *p; p++, t++) { |
---|
652 | if ((q = looking_at(cmdstr, *p))) { |
---|
653 | *type = t; |
---|
654 | return q; |
---|
655 | } |
---|
656 | } |
---|
657 | |
---|
658 | return NULL; |
---|
659 | } |
---|
660 | |
---|
661 | static char *is_message_name(char *cmdstr, enum message_number *msgnr) |
---|
662 | { |
---|
663 | char *q; |
---|
664 | enum message_number i; |
---|
665 | |
---|
666 | for (i = 0; i < MSG_COUNT; i++) { |
---|
667 | if ((q = looking_at(cmdstr, messages[i].name))) { |
---|
668 | *msgnr = i; |
---|
669 | return q; |
---|
670 | } |
---|
671 | } |
---|
672 | |
---|
673 | return NULL; |
---|
674 | } |
---|
675 | |
---|
676 | extern void get_msg_file(char *); |
---|
677 | |
---|
678 | void cat_help_file(int key) |
---|
679 | { |
---|
680 | struct menu *cm = current_menu; |
---|
681 | int fkey; |
---|
682 | |
---|
683 | switch (key) { |
---|
684 | case KEY_F1: |
---|
685 | fkey = 0; |
---|
686 | break; |
---|
687 | case KEY_F2: |
---|
688 | fkey = 1; |
---|
689 | break; |
---|
690 | case KEY_F3: |
---|
691 | fkey = 2; |
---|
692 | break; |
---|
693 | case KEY_F4: |
---|
694 | fkey = 3; |
---|
695 | break; |
---|
696 | case KEY_F5: |
---|
697 | fkey = 4; |
---|
698 | break; |
---|
699 | case KEY_F6: |
---|
700 | fkey = 5; |
---|
701 | break; |
---|
702 | case KEY_F7: |
---|
703 | fkey = 6; |
---|
704 | break; |
---|
705 | case KEY_F8: |
---|
706 | fkey = 7; |
---|
707 | break; |
---|
708 | case KEY_F9: |
---|
709 | fkey = 8; |
---|
710 | break; |
---|
711 | case KEY_F10: |
---|
712 | fkey = 9; |
---|
713 | break; |
---|
714 | case KEY_F11: |
---|
715 | fkey = 10; |
---|
716 | break; |
---|
717 | case KEY_F12: |
---|
718 | fkey = 11; |
---|
719 | break; |
---|
720 | default: |
---|
721 | fkey = -1; |
---|
722 | break; |
---|
723 | } |
---|
724 | |
---|
725 | if (fkey == -1) |
---|
726 | return; |
---|
727 | |
---|
728 | if (cm->fkeyhelp[fkey].textname) { |
---|
729 | printf("\n"); |
---|
730 | get_msg_file((char *)cm->fkeyhelp[fkey].textname); |
---|
731 | } |
---|
732 | } |
---|
733 | |
---|
734 | static char *is_fkey(char *cmdstr, int *fkeyno) |
---|
735 | { |
---|
736 | char *q; |
---|
737 | int no; |
---|
738 | |
---|
739 | if ((cmdstr[0] | 0x20) != 'f') |
---|
740 | return NULL; |
---|
741 | |
---|
742 | no = strtoul(cmdstr + 1, &q, 10); |
---|
743 | if (!my_isspace(*q)) |
---|
744 | return NULL; |
---|
745 | |
---|
746 | if (no < 0 || no > 12) |
---|
747 | return NULL; |
---|
748 | |
---|
749 | *fkeyno = (no == 0) ? 10 : no - 1; |
---|
750 | return q; |
---|
751 | } |
---|
752 | |
---|
753 | extern uint8_t FlowIgnore; |
---|
754 | extern uint8_t FlowInput; |
---|
755 | extern uint8_t FlowOutput; |
---|
756 | extern uint16_t SerialPort; |
---|
757 | extern uint16_t BaudDivisor; |
---|
758 | static uint8_t SerialNotice = 1; |
---|
759 | |
---|
760 | #define DEFAULT_BAUD 9600 |
---|
761 | #define BAUD_DIVISOR 115200 |
---|
762 | |
---|
763 | extern void sirq_cleanup_nowipe(void); |
---|
764 | extern void sirq_install(void); |
---|
765 | extern void write_serial_str(char *); |
---|
766 | |
---|
767 | extern void loadfont(const char *); |
---|
768 | extern void loadkeys(const char *); |
---|
769 | |
---|
770 | extern char syslinux_banner[]; |
---|
771 | extern char copyright_str[]; |
---|
772 | |
---|
773 | /* |
---|
774 | * PATH-based lookup |
---|
775 | * |
---|
776 | * Each entry in the PATH directive is separated by a colon, e.g. |
---|
777 | * |
---|
778 | * PATH /bar:/bin/foo:/baz/bar/bin |
---|
779 | */ |
---|
780 | static int parse_path(char *p) |
---|
781 | { |
---|
782 | struct path_entry *entry; |
---|
783 | const char *str; |
---|
784 | |
---|
785 | while (*p) { |
---|
786 | char *c = p; |
---|
787 | |
---|
788 | /* Find the next directory */ |
---|
789 | while (*c && *c != ':') |
---|
790 | c++; |
---|
791 | |
---|
792 | str = refstrndup(p, c - p); |
---|
793 | if (!str) |
---|
794 | goto bail; |
---|
795 | |
---|
796 | entry = path_add(str); |
---|
797 | refstr_put(str); |
---|
798 | |
---|
799 | if (!entry) |
---|
800 | goto bail; |
---|
801 | |
---|
802 | if (!*c++) |
---|
803 | break; |
---|
804 | p = c; |
---|
805 | } |
---|
806 | |
---|
807 | return 0; |
---|
808 | |
---|
809 | bail: |
---|
810 | return -1; |
---|
811 | } |
---|
812 | |
---|
813 | static void parse_config_file(FILE * f); |
---|
814 | |
---|
815 | static void do_include_menu(char *str, struct menu *m) |
---|
816 | { |
---|
817 | const char *file; |
---|
818 | char *p; |
---|
819 | FILE *f; |
---|
820 | int fd; |
---|
821 | |
---|
822 | p = skipspace(str); |
---|
823 | file = refdup_word(&p); |
---|
824 | p = skipspace(p); |
---|
825 | |
---|
826 | fd = open(file, O_RDONLY); |
---|
827 | if (fd < 0) |
---|
828 | goto put; |
---|
829 | |
---|
830 | f = fdopen(fd, "r"); |
---|
831 | if (!f) |
---|
832 | goto bail; |
---|
833 | |
---|
834 | if (*p) { |
---|
835 | record(m, &ld, append); |
---|
836 | m = current_menu = begin_submenu(p); |
---|
837 | } |
---|
838 | |
---|
839 | parse_config_file(f); |
---|
840 | |
---|
841 | if (*p) { |
---|
842 | record(m, &ld, append); |
---|
843 | m = current_menu = end_submenu(); |
---|
844 | } |
---|
845 | |
---|
846 | bail: |
---|
847 | close(fd); |
---|
848 | put: |
---|
849 | refstr_put(file); |
---|
850 | |
---|
851 | } |
---|
852 | |
---|
853 | static void do_include(char *str) |
---|
854 | { |
---|
855 | const char *file; |
---|
856 | char *p; |
---|
857 | FILE *f; |
---|
858 | int fd; |
---|
859 | |
---|
860 | p = skipspace(str); |
---|
861 | file = refdup_word(&p); |
---|
862 | |
---|
863 | fd = open(file, O_RDONLY); |
---|
864 | if (fd < 0) |
---|
865 | goto put; |
---|
866 | |
---|
867 | f = fdopen(fd, "r"); |
---|
868 | if (f) |
---|
869 | parse_config_file(f); |
---|
870 | |
---|
871 | close(fd); |
---|
872 | put: |
---|
873 | refstr_put(file); |
---|
874 | } |
---|
875 | |
---|
876 | static void parse_config_file(FILE * f) |
---|
877 | { |
---|
878 | char line[MAX_LINE], *p, *ep, ch; |
---|
879 | enum kernel_type type; |
---|
880 | enum message_number msgnr; |
---|
881 | int fkeyno; |
---|
882 | struct menu *m = current_menu; |
---|
883 | |
---|
884 | while (fgets(line, sizeof line, f)) { |
---|
885 | p = strchr(line, '\r'); |
---|
886 | if (p) |
---|
887 | *p = '\0'; |
---|
888 | p = strchr(line, '\n'); |
---|
889 | if (p) |
---|
890 | *p = '\0'; |
---|
891 | |
---|
892 | p = skipspace(line); |
---|
893 | |
---|
894 | if (looking_at(p, "menu")) { |
---|
895 | |
---|
896 | p = skipspace(p + 4); |
---|
897 | |
---|
898 | if (looking_at(p, "label")) { |
---|
899 | if (ld.label) { |
---|
900 | refstr_put(ld.menulabel); |
---|
901 | ld.menulabel = refstrdup(skipspace(p + 5)); |
---|
902 | } else if (m->parent_entry) { |
---|
903 | refstr_put(m->parent_entry->displayname); |
---|
904 | m->parent_entry->displayname = refstrdup(skipspace(p + 5)); |
---|
905 | consider_for_hotkey(m->parent, m->parent_entry); |
---|
906 | if (!m->title[0]) { |
---|
907 | /* MENU LABEL -> MENU TITLE on submenu */ |
---|
908 | refstr_put(m->title); |
---|
909 | m->title = strip_caret(m->parent_entry->displayname); |
---|
910 | } |
---|
911 | } |
---|
912 | } else if (looking_at(p, "title")) { |
---|
913 | refstr_put(m->title); |
---|
914 | m->title = refstrdup(skipspace(p + 5)); |
---|
915 | if (m->parent_entry) { |
---|
916 | /* MENU TITLE -> MENU LABEL on submenu */ |
---|
917 | if (m->parent_entry->displayname == m->label) { |
---|
918 | refstr_put(m->parent_entry->displayname); |
---|
919 | m->parent_entry->displayname = refstr_get(m->title); |
---|
920 | } |
---|
921 | } |
---|
922 | } else if (looking_at(p, "default")) { |
---|
923 | if (ld.label) { |
---|
924 | ld.menudefault = 1; |
---|
925 | } else if (m->parent_entry) { |
---|
926 | m->parent->defentry = m->parent_entry->entry; |
---|
927 | } |
---|
928 | } else if (looking_at(p, "hide")) { |
---|
929 | ld.menuhide = 1; |
---|
930 | } else if (looking_at(p, "passwd")) { |
---|
931 | if (ld.label) { |
---|
932 | refstr_put(ld.passwd); |
---|
933 | ld.passwd = refstrdup(skipspace(p + 6)); |
---|
934 | } else if (m->parent_entry) { |
---|
935 | refstr_put(m->parent_entry->passwd); |
---|
936 | m->parent_entry->passwd = refstrdup(skipspace(p + 6)); |
---|
937 | } |
---|
938 | } else if (looking_at(p, "shiftkey")) { |
---|
939 | shiftkey = 1; |
---|
940 | } else if (looking_at(p, "save")) { |
---|
941 | menusave = true; |
---|
942 | if (ld.label) |
---|
943 | ld.save = 1; |
---|
944 | else |
---|
945 | m->save = true; |
---|
946 | } else if (looking_at(p, "nosave")) { |
---|
947 | if (ld.label) |
---|
948 | ld.save = -1; |
---|
949 | else |
---|
950 | m->save = false; |
---|
951 | } else if (looking_at(p, "onerror")) { |
---|
952 | refstr_put(m->onerror); |
---|
953 | m->onerror = refstrdup(skipspace(p + 7)); |
---|
954 | onerrorlen = strlen(m->onerror); |
---|
955 | refstr_put(onerror); |
---|
956 | onerror = refstrdup(m->onerror); |
---|
957 | } else if (looking_at(p, "master")) { |
---|
958 | p = skipspace(p + 6); |
---|
959 | if (looking_at(p, "passwd")) { |
---|
960 | refstr_put(m->menu_master_passwd); |
---|
961 | m->menu_master_passwd = refstrdup(skipspace(p + 6)); |
---|
962 | } |
---|
963 | } else if ((ep = looking_at(p, "include"))) { |
---|
964 | do_include_menu(ep, m); |
---|
965 | } else if ((ep = looking_at(p, "background"))) { |
---|
966 | p = skipspace(ep); |
---|
967 | refstr_put(m->menu_background); |
---|
968 | m->menu_background = refdup_word(&p); |
---|
969 | } else if ((ep = looking_at(p, "hidden"))) { |
---|
970 | hiddenmenu = 1; |
---|
971 | } else if ((ep = is_message_name(p, &msgnr))) { |
---|
972 | refstr_put(m->messages[msgnr]); |
---|
973 | m->messages[msgnr] = refstrdup(skipspace(ep)); |
---|
974 | } else if ((ep = looking_at(p, "color")) || |
---|
975 | (ep = looking_at(p, "colour"))) { |
---|
976 | int i; |
---|
977 | struct color_table *cptr; |
---|
978 | p = skipspace(ep); |
---|
979 | cptr = m->color_table; |
---|
980 | for (i = 0; i < menu_color_table_size; i++) { |
---|
981 | if ((ep = looking_at(p, cptr->name))) { |
---|
982 | p = skipspace(ep); |
---|
983 | if (*p) { |
---|
984 | if (looking_at(p, "*")) { |
---|
985 | p++; |
---|
986 | } else { |
---|
987 | refstr_put(cptr->ansi); |
---|
988 | cptr->ansi = refdup_word(&p); |
---|
989 | } |
---|
990 | |
---|
991 | p = skipspace(p); |
---|
992 | if (*p) { |
---|
993 | if (looking_at(p, "*")) |
---|
994 | p++; |
---|
995 | else |
---|
996 | cptr->argb_fg = parse_argb(&p); |
---|
997 | |
---|
998 | p = skipspace(p); |
---|
999 | if (*p) { |
---|
1000 | if (looking_at(p, "*")) |
---|
1001 | p++; |
---|
1002 | else |
---|
1003 | cptr->argb_bg = parse_argb(&p); |
---|
1004 | |
---|
1005 | /* Parse a shadow mode */ |
---|
1006 | p = skipspace(p); |
---|
1007 | ch = *p | 0x20; |
---|
1008 | if (ch == 'n') /* none */ |
---|
1009 | cptr->shadow = SHADOW_NONE; |
---|
1010 | else if (ch == 's') /* std, standard */ |
---|
1011 | cptr->shadow = SHADOW_NORMAL; |
---|
1012 | else if (ch == 'a') /* all */ |
---|
1013 | cptr->shadow = SHADOW_ALL; |
---|
1014 | else if (ch == 'r') /* rev, reverse */ |
---|
1015 | cptr->shadow = SHADOW_REVERSE; |
---|
1016 | } |
---|
1017 | } |
---|
1018 | } |
---|
1019 | break; |
---|
1020 | } |
---|
1021 | cptr++; |
---|
1022 | } |
---|
1023 | } else if ((ep = looking_at(p, "msgcolor")) || |
---|
1024 | (ep = looking_at(p, "msgcolour"))) { |
---|
1025 | unsigned int fg_mask = MSG_COLORS_DEF_FG; |
---|
1026 | unsigned int bg_mask = MSG_COLORS_DEF_BG; |
---|
1027 | enum color_table_shadow shadow = MSG_COLORS_DEF_SHADOW; |
---|
1028 | |
---|
1029 | p = skipspace(ep); |
---|
1030 | if (*p) { |
---|
1031 | if (!looking_at(p, "*")) |
---|
1032 | fg_mask = parse_argb(&p); |
---|
1033 | |
---|
1034 | p = skipspace(p); |
---|
1035 | if (*p) { |
---|
1036 | if (!looking_at(p, "*")) |
---|
1037 | bg_mask = parse_argb(&p); |
---|
1038 | |
---|
1039 | p = skipspace(p); |
---|
1040 | switch (*p | 0x20) { |
---|
1041 | case 'n': |
---|
1042 | shadow = SHADOW_NONE; |
---|
1043 | break; |
---|
1044 | case 's': |
---|
1045 | shadow = SHADOW_NORMAL; |
---|
1046 | break; |
---|
1047 | case 'a': |
---|
1048 | shadow = SHADOW_ALL; |
---|
1049 | break; |
---|
1050 | case 'r': |
---|
1051 | shadow = SHADOW_REVERSE; |
---|
1052 | break; |
---|
1053 | default: |
---|
1054 | /* go with default */ |
---|
1055 | break; |
---|
1056 | } |
---|
1057 | } |
---|
1058 | } |
---|
1059 | set_msg_colors_global(m->color_table, fg_mask, bg_mask, shadow); |
---|
1060 | } else if (looking_at(p, "separator")) { |
---|
1061 | record(m, &ld, append); |
---|
1062 | ld.label = refstr_get(empty_string); |
---|
1063 | ld.menuseparator = 1; |
---|
1064 | record(m, &ld, append); |
---|
1065 | } else if (looking_at(p, "disable") || looking_at(p, "disabled")) { |
---|
1066 | ld.menudisabled = 1; |
---|
1067 | } else if (looking_at(p, "indent")) { |
---|
1068 | ld.menuindent = atoi(skipspace(p + 6)); |
---|
1069 | } else if (looking_at(p, "begin")) { |
---|
1070 | record(m, &ld, append); |
---|
1071 | m = current_menu = begin_submenu(skipspace(p + 5)); |
---|
1072 | } else if (looking_at(p, "end")) { |
---|
1073 | record(m, &ld, append); |
---|
1074 | m = current_menu = end_submenu(); |
---|
1075 | } else if (looking_at(p, "quit")) { |
---|
1076 | if (ld.label) |
---|
1077 | ld.action = MA_QUIT; |
---|
1078 | } else if (looking_at(p, "goto")) { |
---|
1079 | if (ld.label) { |
---|
1080 | ld.action = MA_GOTO_UNRES; |
---|
1081 | refstr_put(ld.kernel); |
---|
1082 | ld.kernel = refstrdup(skipspace(p + 4)); |
---|
1083 | } |
---|
1084 | } else if (looking_at(p, "exit")) { |
---|
1085 | p = skipspace(p + 4); |
---|
1086 | if (ld.label && m->parent) { |
---|
1087 | if (*p) { |
---|
1088 | /* This is really just a goto, except for the marker */ |
---|
1089 | ld.action = MA_EXIT_UNRES; |
---|
1090 | refstr_put(ld.kernel); |
---|
1091 | ld.kernel = refstrdup(p); |
---|
1092 | } else { |
---|
1093 | ld.action = MA_EXIT; |
---|
1094 | ld.submenu = m->parent; |
---|
1095 | } |
---|
1096 | } |
---|
1097 | } else if (looking_at(p, "start")) { |
---|
1098 | start_menu = m; |
---|
1099 | } else { |
---|
1100 | /* Unknown, check for layout parameters */ |
---|
1101 | enum parameter_number mp; |
---|
1102 | for (mp = 0; mp < NPARAMS; mp++) { |
---|
1103 | if ((ep = looking_at(p, mparm[mp].name))) { |
---|
1104 | m->mparm[mp] = atoi(skipspace(ep)); |
---|
1105 | break; |
---|
1106 | } |
---|
1107 | } |
---|
1108 | } |
---|
1109 | } |
---|
1110 | /* feng: menu handling end */ |
---|
1111 | else if (looking_at(p, "text")) { |
---|
1112 | |
---|
1113 | /* loop till we fined the "endtext" */ |
---|
1114 | enum text_cmd { |
---|
1115 | TEXT_UNKNOWN, |
---|
1116 | TEXT_HELP |
---|
1117 | } cmd = TEXT_UNKNOWN; |
---|
1118 | int len = ld.helptext ? strlen(ld.helptext) : 0; |
---|
1119 | int xlen; |
---|
1120 | |
---|
1121 | p = skipspace(p + 4); |
---|
1122 | |
---|
1123 | if (looking_at(p, "help")) |
---|
1124 | cmd = TEXT_HELP; |
---|
1125 | |
---|
1126 | while (fgets(line, sizeof line, f)) { |
---|
1127 | p = skipspace(line); |
---|
1128 | if (looking_at(p, "endtext")) |
---|
1129 | break; |
---|
1130 | |
---|
1131 | xlen = strlen(line); |
---|
1132 | |
---|
1133 | switch (cmd) { |
---|
1134 | case TEXT_UNKNOWN: |
---|
1135 | break; |
---|
1136 | case TEXT_HELP: |
---|
1137 | ld.helptext = realloc(ld.helptext, len + xlen + 1); |
---|
1138 | memcpy(ld.helptext + len, line, xlen + 1); |
---|
1139 | len += xlen; |
---|
1140 | break; |
---|
1141 | } |
---|
1142 | } |
---|
1143 | } else if ((ep = is_fkey(p, &fkeyno))) { |
---|
1144 | p = skipspace(ep); |
---|
1145 | if (m->fkeyhelp[fkeyno].textname) { |
---|
1146 | refstr_put(m->fkeyhelp[fkeyno].textname); |
---|
1147 | m->fkeyhelp[fkeyno].textname = NULL; |
---|
1148 | } |
---|
1149 | if (m->fkeyhelp[fkeyno].background) { |
---|
1150 | refstr_put(m->fkeyhelp[fkeyno].background); |
---|
1151 | m->fkeyhelp[fkeyno].background = NULL; |
---|
1152 | } |
---|
1153 | |
---|
1154 | refstr_put(m->fkeyhelp[fkeyno].textname); |
---|
1155 | m->fkeyhelp[fkeyno].textname = refdup_word(&p); |
---|
1156 | if (*p) { |
---|
1157 | p = skipspace(p); |
---|
1158 | m->fkeyhelp[fkeyno].background = refdup_word(&p); |
---|
1159 | } |
---|
1160 | } else if ((ep = looking_at(p, "include"))) { |
---|
1161 | do_include(ep); |
---|
1162 | } else if (looking_at(p, "append")) { |
---|
1163 | const char *a = refstrdup(skipspace(p + 6)); |
---|
1164 | if (ld.label) { |
---|
1165 | refstr_put(ld.append); |
---|
1166 | ld.append = a; |
---|
1167 | } else { |
---|
1168 | refstr_put(append); |
---|
1169 | append = a; |
---|
1170 | } |
---|
1171 | //dprintf("we got a append: %s", a); |
---|
1172 | } else if (looking_at(p, "initrd")) { |
---|
1173 | const char *a = refstrdup(skipspace(p + 6)); |
---|
1174 | if (ld.label) { |
---|
1175 | refstr_put(ld.initrd); |
---|
1176 | ld.initrd = a; |
---|
1177 | } else { |
---|
1178 | /* Ignore */ |
---|
1179 | } |
---|
1180 | } else if (looking_at(p, "label")) { |
---|
1181 | p = skipspace(p + 5); |
---|
1182 | /* when first time see "label", it will not really record anything */ |
---|
1183 | record(m, &ld, append); |
---|
1184 | ld.label = __refdup_word(p, NULL); |
---|
1185 | ld.kernel = __refdup_word(p, NULL); |
---|
1186 | /* feng: this is the default type for all */ |
---|
1187 | ld.type = KT_KERNEL; |
---|
1188 | ld.passwd = NULL; |
---|
1189 | ld.append = NULL; |
---|
1190 | ld.initrd = NULL; |
---|
1191 | ld.menulabel = NULL; |
---|
1192 | ld.helptext = NULL; |
---|
1193 | ld.ipappend = SysAppends; |
---|
1194 | ld.menudefault = ld.menuhide = ld.menuseparator = |
---|
1195 | ld.menudisabled = ld.menuindent = 0; |
---|
1196 | } else if ((ep = is_kernel_type(p, &type))) { |
---|
1197 | if (ld.label) { |
---|
1198 | refstr_put(ld.kernel); |
---|
1199 | ld.kernel = refstrdup(skipspace(ep)); |
---|
1200 | ld.type = type; |
---|
1201 | //dprintf("got a kernel: %s, type = %d", ld.kernel, ld.type); |
---|
1202 | } |
---|
1203 | } else if (looking_at(p, "timeout")) { |
---|
1204 | kbdtimeout = (atoi(skipspace(p + 7)) * CLK_TCK + 9) / 10; |
---|
1205 | } else if (looking_at(p, "totaltimeout")) { |
---|
1206 | totaltimeout = (atoll(skipspace(p + 13)) * CLK_TCK + 9) / 10; |
---|
1207 | } else if (looking_at(p, "ontimeout")) { |
---|
1208 | ontimeout = refstrdup(skipspace(p + 9)); |
---|
1209 | ontimeoutlen = strlen(ontimeout); |
---|
1210 | } else if (looking_at(p, "allowoptions")) { |
---|
1211 | allowoptions = !!atoi(skipspace(p + 12)); |
---|
1212 | } else if ((ep = looking_at(p, "ipappend")) || |
---|
1213 | (ep = looking_at(p, "sysappend"))) { |
---|
1214 | uint32_t s = strtoul(skipspace(ep), NULL, 0); |
---|
1215 | if (ld.label) |
---|
1216 | ld.ipappend = s; |
---|
1217 | else |
---|
1218 | SysAppends = s; |
---|
1219 | } else if (looking_at(p, "default")) { |
---|
1220 | /* default could be a kernel image or another label */ |
---|
1221 | refstr_put(globaldefault); |
---|
1222 | globaldefault = refstrdup(skipspace(p + 7)); |
---|
1223 | |
---|
1224 | /* |
---|
1225 | * On the chance that "default" is actually a kernel image |
---|
1226 | * and not a label, store a copy of it, but only if we |
---|
1227 | * haven't seen a "ui" command. "ui" commands take |
---|
1228 | * precendence over "default" commands. |
---|
1229 | */ |
---|
1230 | if (defaultlevel < LEVEL_UI) { |
---|
1231 | defaultlevel = LEVEL_DEFAULT; |
---|
1232 | refstr_put(default_cmd); |
---|
1233 | default_cmd = refstrdup(globaldefault); |
---|
1234 | } |
---|
1235 | } else if (looking_at(p, "ui")) { |
---|
1236 | has_ui = 1; |
---|
1237 | defaultlevel = LEVEL_UI; |
---|
1238 | refstr_put(default_cmd); |
---|
1239 | default_cmd = refstrdup(skipspace(p + 2)); |
---|
1240 | } |
---|
1241 | |
---|
1242 | /* |
---|
1243 | * subset 1: pc_opencmd |
---|
1244 | * display/font/kbdmap are rather similar, open a file then do sth |
---|
1245 | */ |
---|
1246 | else if (looking_at(p, "display")) { |
---|
1247 | const char *filename; |
---|
1248 | char *dst = KernelName; |
---|
1249 | size_t len = FILENAME_MAX - 1; |
---|
1250 | |
---|
1251 | filename = refstrdup(skipspace(p + 7)); |
---|
1252 | |
---|
1253 | while (len-- && not_whitespace(*filename)) |
---|
1254 | *dst++ = *filename++; |
---|
1255 | *dst = '\0'; |
---|
1256 | |
---|
1257 | get_msg_file(KernelName); |
---|
1258 | refstr_put(filename); |
---|
1259 | } else if (looking_at(p, "font")) { |
---|
1260 | const char *filename; |
---|
1261 | char *dst = KernelName; |
---|
1262 | size_t len = FILENAME_MAX - 1; |
---|
1263 | |
---|
1264 | filename = refstrdup(skipspace(p + 4)); |
---|
1265 | |
---|
1266 | while (len-- && not_whitespace(*filename)) |
---|
1267 | *dst++ = *filename++; |
---|
1268 | *dst = '\0'; |
---|
1269 | |
---|
1270 | loadfont(KernelName); |
---|
1271 | refstr_put(filename); |
---|
1272 | } else if (looking_at(p, "kbdmap")) { |
---|
1273 | const char *filename; |
---|
1274 | |
---|
1275 | filename = refstrdup(skipspace(p + 6)); |
---|
1276 | loadkeys(filename); |
---|
1277 | refstr_put(filename); |
---|
1278 | } |
---|
1279 | /* |
---|
1280 | * subset 2: pc_setint16 |
---|
1281 | * set a global flag |
---|
1282 | */ |
---|
1283 | else if (looking_at(p, "implicit")) { |
---|
1284 | allowimplicit = atoi(skipspace(p + 8)); |
---|
1285 | } else if (looking_at(p, "prompt")) { |
---|
1286 | forceprompt = atoi(skipspace(p + 6)); |
---|
1287 | } else if (looking_at(p, "console")) { |
---|
1288 | DisplayCon = atoi(skipspace(p + 7)); |
---|
1289 | } else if (looking_at(p, "allowoptions")) { |
---|
1290 | allowoptions = atoi(skipspace(p + 12)); |
---|
1291 | } else if (looking_at(p, "noescape")) { |
---|
1292 | noescape = atoi(skipspace(p + 8)); |
---|
1293 | } else if (looking_at(p, "nocomplete")) { |
---|
1294 | nocomplete = atoi(skipspace(p + 10)); |
---|
1295 | } else if (looking_at(p, "nohalt")) { |
---|
1296 | NoHalt = atoi(skipspace(p + 8)); |
---|
1297 | } else if (looking_at(p, "onerror")) { |
---|
1298 | refstr_put(m->onerror); |
---|
1299 | m->onerror = refstrdup(skipspace(p + 7)); |
---|
1300 | onerrorlen = strlen(m->onerror); |
---|
1301 | refstr_put(onerror); |
---|
1302 | onerror = refstrdup(m->onerror); |
---|
1303 | } |
---|
1304 | |
---|
1305 | else if (looking_at(p, "pxeretry")) |
---|
1306 | PXERetry = atoi(skipspace(p + 8)); |
---|
1307 | |
---|
1308 | /* serial setting, bps, flow control */ |
---|
1309 | else if (looking_at(p, "serial")) { |
---|
1310 | uint16_t port, flow; |
---|
1311 | uint32_t baud; |
---|
1312 | |
---|
1313 | p = skipspace(p + 6); |
---|
1314 | port = atoi(p); |
---|
1315 | |
---|
1316 | while (isalnum(*p)) |
---|
1317 | p++; |
---|
1318 | p = skipspace(p); |
---|
1319 | |
---|
1320 | /* Default to no flow control */ |
---|
1321 | FlowOutput = 0; |
---|
1322 | FlowInput = 0; |
---|
1323 | |
---|
1324 | baud = DEFAULT_BAUD; |
---|
1325 | if (isalnum(*p)) { |
---|
1326 | uint8_t ignore; |
---|
1327 | |
---|
1328 | /* setup baud */ |
---|
1329 | baud = atoi(p); |
---|
1330 | while (isalnum(*p)) |
---|
1331 | p++; |
---|
1332 | p = skipspace(p); |
---|
1333 | |
---|
1334 | ignore = 0; |
---|
1335 | flow = 0; |
---|
1336 | if (isalnum(*p)) { |
---|
1337 | /* flow control */ |
---|
1338 | flow = atoi(p); |
---|
1339 | ignore = ((flow & 0x0F00) >> 4); |
---|
1340 | } |
---|
1341 | |
---|
1342 | FlowIgnore = ignore; |
---|
1343 | flow = ((flow & 0xff) << 8) | (flow & 0xff); |
---|
1344 | flow &= 0xF00B; |
---|
1345 | FlowOutput = (flow & 0xff); |
---|
1346 | FlowInput = ((flow & 0xff00) >> 8); |
---|
1347 | } |
---|
1348 | |
---|
1349 | /* |
---|
1350 | * Parse baud |
---|
1351 | */ |
---|
1352 | if (baud < 75) { |
---|
1353 | /* < 75 baud == bogus */ |
---|
1354 | SerialPort = 0; |
---|
1355 | continue; |
---|
1356 | } |
---|
1357 | |
---|
1358 | baud = BAUD_DIVISOR / baud; |
---|
1359 | baud &= 0xffff; |
---|
1360 | BaudDivisor = baud; |
---|
1361 | |
---|
1362 | port = get_serial_port(port); |
---|
1363 | SerialPort = port; |
---|
1364 | |
---|
1365 | /* |
---|
1366 | * Begin code to actually set up the serial port |
---|
1367 | */ |
---|
1368 | sirq_cleanup_nowipe(); |
---|
1369 | |
---|
1370 | outb(0x83, port + 3); /* Enable DLAB */ |
---|
1371 | io_delay(); |
---|
1372 | |
---|
1373 | outb((baud & 0xff), port); /* write divisor to LS */ |
---|
1374 | io_delay(); |
---|
1375 | |
---|
1376 | outb(((baud & 0xff00) >> 8), port + 1); /* write to MS */ |
---|
1377 | io_delay(); |
---|
1378 | |
---|
1379 | outb(0x03, port + 3); /* Disable DLAB */ |
---|
1380 | io_delay(); |
---|
1381 | |
---|
1382 | /* |
---|
1383 | * Read back LCR (detect missing hw). If nothing here |
---|
1384 | * we'll read 00 or FF. |
---|
1385 | */ |
---|
1386 | if (inb(port + 3) != 0x03) { |
---|
1387 | /* Assume serial port busted */ |
---|
1388 | SerialPort = 0; |
---|
1389 | continue; |
---|
1390 | } |
---|
1391 | |
---|
1392 | outb(0x01, port + 2); /* Enable FIFOs if present */ |
---|
1393 | io_delay(); |
---|
1394 | |
---|
1395 | /* Disable FIFO if unusable */ |
---|
1396 | if (inb(port + 2) < 0x0C0) { |
---|
1397 | outb(0, port + 2); |
---|
1398 | io_delay(); |
---|
1399 | } |
---|
1400 | |
---|
1401 | /* Assert bits in MCR */ |
---|
1402 | outb(FlowOutput, port + 4); |
---|
1403 | io_delay(); |
---|
1404 | |
---|
1405 | /* Enable interrupts if requested */ |
---|
1406 | if (FlowOutput & 0x8) |
---|
1407 | sirq_install(); |
---|
1408 | |
---|
1409 | /* Show some life */ |
---|
1410 | if (SerialNotice != 0) { |
---|
1411 | SerialNotice = 0; |
---|
1412 | |
---|
1413 | write_serial_str(syslinux_banner); |
---|
1414 | write_serial_str(copyright_str); |
---|
1415 | } |
---|
1416 | |
---|
1417 | } else if (looking_at(p, "say")) { |
---|
1418 | printf("%s\n", p+4); |
---|
1419 | } else if (looking_at(p, "path")) { |
---|
1420 | if (parse_path(skipspace(p + 4))) |
---|
1421 | printf("Failed to parse PATH\n"); |
---|
1422 | } else if (looking_at(p, "sendcookies")) { |
---|
1423 | const union syslinux_derivative_info *sdi; |
---|
1424 | |
---|
1425 | p += strlen("sendcookies"); |
---|
1426 | sdi = syslinux_derivative_info(); |
---|
1427 | |
---|
1428 | if (sdi->c.filesystem == SYSLINUX_FS_PXELINUX) { |
---|
1429 | SendCookies = strtoul(skipspace(p), NULL, 10); |
---|
1430 | http_bake_cookies(); |
---|
1431 | } |
---|
1432 | } |
---|
1433 | } |
---|
1434 | } |
---|
1435 | |
---|
1436 | static int parse_main_config(const char *filename) |
---|
1437 | { |
---|
1438 | const char *mode = "r"; |
---|
1439 | FILE *f; |
---|
1440 | int fd; |
---|
1441 | |
---|
1442 | if (!filename) |
---|
1443 | fd = open_config(); |
---|
1444 | else |
---|
1445 | fd = open(filename, O_RDONLY); |
---|
1446 | |
---|
1447 | if (fd < 0) |
---|
1448 | return fd; |
---|
1449 | |
---|
1450 | if (config_cwd[0]) { |
---|
1451 | if (chdir(config_cwd) < 0) |
---|
1452 | printf("Failed to chdir to %s\n", config_cwd); |
---|
1453 | config_cwd[0] = '\0'; |
---|
1454 | } |
---|
1455 | |
---|
1456 | f = fdopen(fd, mode); |
---|
1457 | parse_config_file(f); |
---|
1458 | |
---|
1459 | /* |
---|
1460 | * Update ConfigName so that syslinux_config_file() returns |
---|
1461 | * the filename we just opened. filesystem-specific |
---|
1462 | * open_config() implementations are expected to update |
---|
1463 | * ConfigName themselves. |
---|
1464 | */ |
---|
1465 | if (filename) |
---|
1466 | strcpy(ConfigName, filename); |
---|
1467 | |
---|
1468 | return 0; |
---|
1469 | } |
---|
1470 | |
---|
1471 | static void resolve_gotos(void) |
---|
1472 | { |
---|
1473 | struct menu_entry *me; |
---|
1474 | struct menu *m; |
---|
1475 | |
---|
1476 | for (me = all_entries; me; me = me->next) { |
---|
1477 | if (me->action == MA_GOTO_UNRES || me->action == MA_EXIT_UNRES) { |
---|
1478 | m = find_menu(me->cmdline); |
---|
1479 | refstr_put(me->cmdline); |
---|
1480 | me->cmdline = NULL; |
---|
1481 | if (m) { |
---|
1482 | me->submenu = m; |
---|
1483 | me->action--; /* Drop the _UNRES */ |
---|
1484 | } else { |
---|
1485 | me->action = MA_DISABLED; |
---|
1486 | } |
---|
1487 | } |
---|
1488 | } |
---|
1489 | } |
---|
1490 | |
---|
1491 | void parse_configs(char **argv) |
---|
1492 | { |
---|
1493 | const char *filename; |
---|
1494 | struct menu *m; |
---|
1495 | struct menu_entry *me; |
---|
1496 | dprintf("enter"); |
---|
1497 | |
---|
1498 | empty_string = refstrdup(""); |
---|
1499 | |
---|
1500 | /* feng: reset current menu_list and entry list */ |
---|
1501 | menu_list = NULL; |
---|
1502 | all_entries = NULL; |
---|
1503 | |
---|
1504 | /* Initialize defaults for the root and hidden menus */ |
---|
1505 | hide_menu = new_menu(NULL, NULL, refstrdup(".hidden")); |
---|
1506 | root_menu = new_menu(NULL, NULL, refstrdup(".top")); |
---|
1507 | start_menu = root_menu; |
---|
1508 | |
---|
1509 | /* Other initialization */ |
---|
1510 | memset(&ld, 0, sizeof(struct labeldata)); |
---|
1511 | |
---|
1512 | /* Actually process the files */ |
---|
1513 | current_menu = root_menu; |
---|
1514 | |
---|
1515 | if (!argv || !*argv) { |
---|
1516 | if (parse_main_config(NULL) < 0) { |
---|
1517 | printf("WARNING: No configuration file found\n"); |
---|
1518 | return; |
---|
1519 | } |
---|
1520 | } else { |
---|
1521 | while ((filename = *argv++)) { |
---|
1522 | dprintf("Parsing config: %s", filename); |
---|
1523 | parse_main_config(filename); |
---|
1524 | } |
---|
1525 | } |
---|
1526 | |
---|
1527 | /* On final EOF process the last label statement */ |
---|
1528 | record(current_menu, &ld, append); |
---|
1529 | |
---|
1530 | /* Common postprocessing */ |
---|
1531 | resolve_gotos(); |
---|
1532 | |
---|
1533 | /* Handle global default */ |
---|
1534 | //if (has_ui && globaldefault) { |
---|
1535 | if (globaldefault) { |
---|
1536 | dprintf("gloabldefault = %s", globaldefault); |
---|
1537 | me = find_label(globaldefault); |
---|
1538 | if (me && me->menu != hide_menu) { |
---|
1539 | me->menu->defentry = me->entry; |
---|
1540 | start_menu = me->menu; |
---|
1541 | default_menu = me->menu; |
---|
1542 | } |
---|
1543 | } |
---|
1544 | |
---|
1545 | /* If "menu save" is active, let the ADV override the global default */ |
---|
1546 | if (menusave) { |
---|
1547 | size_t len; |
---|
1548 | const char *lbl = syslinux_getadv(ADV_MENUSAVE, &len); |
---|
1549 | char *lstr; |
---|
1550 | if (lbl && len) { |
---|
1551 | lstr = refstr_alloc(len); |
---|
1552 | memcpy(lstr, lbl, len); /* refstr_alloc() adds the final null */ |
---|
1553 | me = find_label(lstr); |
---|
1554 | if (me && me->menu != hide_menu) { |
---|
1555 | me->menu->defentry = me->entry; |
---|
1556 | start_menu = me->menu; |
---|
1557 | } |
---|
1558 | refstr_put(lstr); |
---|
1559 | } |
---|
1560 | } |
---|
1561 | |
---|
1562 | /* Final per-menu initialization, with all labels known */ |
---|
1563 | for (m = menu_list; m; m = m->next) { |
---|
1564 | m->curentry = m->defentry; /* All menus start at their defaults */ |
---|
1565 | |
---|
1566 | if (m->ontimeout) |
---|
1567 | m->ontimeout = unlabel(m->ontimeout); |
---|
1568 | if (m->onerror) |
---|
1569 | m->onerror = unlabel(m->onerror); |
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1570 | } |
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1571 | } |
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