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-rw-r--r--contrib/syslinux-4.02/com32/menu/Makefile49
-rw-r--r--contrib/syslinux-4.02/com32/menu/background.c26
-rw-r--r--contrib/syslinux-4.02/com32/menu/colors.c184
-rw-r--r--contrib/syslinux-4.02/com32/menu/drain.c25
-rw-r--r--contrib/syslinux-4.02/com32/menu/execute.c69
-rw-r--r--contrib/syslinux-4.02/com32/menu/menu.c44
-rw-r--r--contrib/syslinux-4.02/com32/menu/menu.h234
-rw-r--r--contrib/syslinux-4.02/com32/menu/menumain.c1164
-rw-r--r--contrib/syslinux-4.02/com32/menu/passwd.c96
-rw-r--r--contrib/syslinux-4.02/com32/menu/printmsg.c119
-rw-r--r--contrib/syslinux-4.02/com32/menu/readconfig.c1107
-rw-r--r--contrib/syslinux-4.02/com32/menu/refstr.c105
-rw-r--r--contrib/syslinux-4.02/com32/menu/refstr.h40
-rw-r--r--contrib/syslinux-4.02/com32/menu/vesamenu.c52
14 files changed, 3314 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/menu/Makefile b/contrib/syslinux-4.02/com32/menu/Makefile
new file mode 100644
index 0000000..2a03272
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/Makefile
@@ -0,0 +1,49 @@
+## -----------------------------------------------------------------------
+##
+## Copyright 2001-2008 H. Peter Anvin - All Rights Reserved
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+## Boston MA 02110-1301, USA; either version 2 of the License, or
+## (at your option) any later version; incorporated herein by reference.
+##
+## -----------------------------------------------------------------------
+
+##
+## Simple menu system
+##
+
+topdir = ../..
+include ../MCONFIG
+
+LIBS = ../libutil/libutil_com.a ../lib/libcom32.a $(LIBGCC)
+LNXLIBS = ../libutil/libutil_lnx.a
+
+MODULES = menu.c32 vesamenu.c32
+TESTFILES =
+
+COMMONOBJS = menumain.o readconfig.o passwd.o drain.o printmsg.o colors.o \
+ background.o refstr.o execute.o
+
+all: $(MODULES) $(TESTFILES)
+
+menu.elf : menu.o $(COMMONOBJS) $(LIBS) $(C_LIBS)
+ $(LD) $(LDFLAGS) -o $@ $^
+
+vesamenu.elf : vesamenu.o $(COMMONOBJS) $(LIBS) $(C_LIBS)
+ $(LD) $(LDFLAGS) -o $@ $^
+
+tidy dist:
+ rm -f *.o *.lo *.a *.lst *.elf .*.d *.tmp
+
+clean: tidy
+ rm -f *.lnx
+
+spotless: clean
+ rm -f *.lss *.c32 *.com
+ rm -f *~ \#*
+
+install:
+
+-include .*.d
diff --git a/contrib/syslinux-4.02/com32/menu/background.c b/contrib/syslinux-4.02/com32/menu/background.c
new file mode 100644
index 0000000..2be0ede
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/background.c
@@ -0,0 +1,26 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <consoles.h>
+#include <string.h>
+#include "menu.h"
+
+const char *current_background = NULL;
+
+void set_background(const char *new_background)
+{
+ if (!current_background || !new_background ||
+ strcmp(current_background, new_background)) {
+ draw_background(new_background);
+ current_background = new_background;
+ }
+}
diff --git a/contrib/syslinux-4.02/com32/menu/colors.c b/contrib/syslinux-4.02/com32/menu/colors.c
new file mode 100644
index 0000000..68732bd
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/colors.c
@@ -0,0 +1,184 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <colortbl.h>
+#include "menu.h"
+
+/*
+ * The color/attribute indexes (\1#X, \2#XX, \3#XXX) are as follows
+ *
+ * 00 - screen Rest of the screen
+ * 01 - border Border area
+ * 02 - title Title bar
+ * 03 - unsel Unselected menu item
+ * 04 - hotkey Unselected hotkey
+ * 05 - sel Selection bar
+ * 06 - hotsel Selected hotkey
+ * 07 - scrollbar Scroll bar
+ * 08 - tabmsg Press [Tab] message
+ * 09 - cmdmark Command line marker
+ * 10 - cmdline Command line
+ * 11 - pwdborder Password box border
+ * 12 - pwdheader Password box header
+ * 13 - pwdentry Password box contents
+ * 14 - timeout_msg Timeout message
+ * 15 - timeout Timeout counter
+ * 16 - help Current entry help text
+ * 17 - disabled Disabled menu item
+ */
+
+static const struct color_table default_colors[] = {
+ {"screen", "37;40", 0x80ffffff, 0x00000000, SHADOW_NORMAL},
+ {"border", "30;44", 0x40000000, 0x00000000, SHADOW_NORMAL},
+ {"title", "1;36;44", 0xc00090f0, 0x00000000, SHADOW_NORMAL},
+ {"unsel", "37;44", 0x90ffffff, 0x00000000, SHADOW_NORMAL},
+ {"hotkey", "1;37;44", 0xffffffff, 0x00000000, SHADOW_NORMAL},
+ {"sel", "7;37;40", 0xe0000000, 0x20ff8000, SHADOW_ALL},
+ {"hotsel", "1;7;37;40", 0xe0400000, 0x20ff8000, SHADOW_ALL},
+ {"scrollbar", "30;44", 0x40000000, 0x00000000, SHADOW_NORMAL},
+ {"tabmsg", "31;40", 0x90ffff00, 0x00000000, SHADOW_NORMAL},
+ {"cmdmark", "1;36;40", 0xc000ffff, 0x00000000, SHADOW_NORMAL},
+ {"cmdline", "37;40", 0xc0ffffff, 0x00000000, SHADOW_NORMAL},
+ {"pwdborder", "30;47", 0x80ffffff, 0x20ffffff, SHADOW_NORMAL},
+ {"pwdheader", "31;47", 0x80ff8080, 0x20ffffff, SHADOW_NORMAL},
+ {"pwdentry", "30;47", 0x80ffffff, 0x20ffffff, SHADOW_NORMAL},
+ {"timeout_msg", "37;40", 0x80ffffff, 0x00000000, SHADOW_NORMAL},
+ {"timeout", "1;37;40", 0xc0ffffff, 0x00000000, SHADOW_NORMAL},
+ {"help", "37;40", 0xc0ffffff, 0x00000000, SHADOW_NORMAL},
+ {"disabled", "1;30;44", 0x60cccccc, 0x00000000, SHADOW_NORMAL},
+};
+
+#define NCOLORS (sizeof default_colors/sizeof default_colors[0])
+const int message_base_color = NCOLORS;
+const int menu_color_table_size = NCOLORS + 256;
+
+/* Algorithmically generate the msgXX colors */
+void set_msg_colors_global(struct color_table *tbl,
+ unsigned int fg, unsigned int bg,
+ enum color_table_shadow shadow)
+{
+ struct color_table *cp = tbl + message_base_color;
+ unsigned int i;
+ unsigned int fga, bga;
+ unsigned int fgh, bgh;
+ unsigned int fg_idx, bg_idx;
+ unsigned int fg_rgb, bg_rgb;
+
+ static const unsigned int pc2rgb[8] =
+ { 0x000000, 0x0000ff, 0x00ff00, 0x00ffff, 0xff0000, 0xff00ff, 0xffff00,
+ 0xffffff
+ };
+
+ /* Converting PC RGBI to sensible RGBA values is an "interesting"
+ proposition. This algorithm may need plenty of tweaking. */
+
+ fga = fg & 0xff000000;
+ fgh = ((fg >> 1) & 0xff000000) | 0x80000000;
+
+ bga = bg & 0xff000000;
+ bgh = ((bg >> 1) & 0xff000000) | 0x80000000;
+
+ for (i = 0; i < 256; i++) {
+ fg_idx = i & 15;
+ bg_idx = i >> 4;
+
+ fg_rgb = pc2rgb[fg_idx & 7] & fg;
+ bg_rgb = pc2rgb[bg_idx & 7] & bg;
+
+ if (fg_idx & 8) {
+ /* High intensity foreground */
+ fg_rgb |= fgh;
+ } else {
+ fg_rgb |= fga;
+ }
+
+ if (bg_idx == 0) {
+ /* Default black background, assume transparent */
+ bg_rgb = 0;
+ } else if (bg_idx & 8) {
+ bg_rgb |= bgh;
+ } else {
+ bg_rgb |= bga;
+ }
+
+ cp->argb_fg = fg_rgb;
+ cp->argb_bg = bg_rgb;
+ cp->shadow = shadow;
+ cp++;
+ }
+}
+
+struct color_table *default_color_table(void)
+{
+ unsigned int i;
+ const struct color_table *dp;
+ struct color_table *cp;
+ struct color_table *color_table;
+ static const int pc2ansi[8] = { 0, 4, 2, 6, 1, 5, 3, 7 };
+ static char msg_names[6 * 256];
+ char *mp;
+
+ color_table = calloc(NCOLORS + 256, sizeof(struct color_table));
+
+ dp = default_colors;
+ cp = color_table;
+
+ for (i = 0; i < NCOLORS; i++) {
+ *cp = *dp;
+ cp->ansi = refstrdup(dp->ansi);
+ cp++;
+ dp++;
+ }
+
+ mp = msg_names;
+ for (i = 0; i < 256; i++) {
+ cp->name = mp;
+ mp += sprintf(mp, "msg%02x", i) + 1;
+
+ rsprintf(&cp->ansi, "%s3%d;4%d", (i & 8) ? "1;" : "",
+ pc2ansi[i & 7], pc2ansi[(i >> 4) & 7]);
+ cp++;
+ }
+
+ /*** XXX: This needs to move to run_menu() ***/
+ console_color_table = color_table;
+ console_color_table_size = NCOLORS + 256;
+
+ set_msg_colors_global(color_table, MSG_COLORS_DEF_FG,
+ MSG_COLORS_DEF_BG, MSG_COLORS_DEF_SHADOW);
+
+ return color_table;
+}
+
+struct color_table *copy_color_table(const struct color_table *master)
+{
+ const struct color_table *dp;
+ struct color_table *color_table, *cp;
+ unsigned int i;
+
+ color_table = calloc(NCOLORS + 256, sizeof(struct color_table));
+
+ dp = master;
+ cp = color_table;
+
+ for (i = 0; i < NCOLORS + 256; i++) {
+ *cp = *dp;
+ cp->ansi = refstr_get(dp->ansi);
+ cp++;
+ dp++;
+ }
+
+ return color_table;
+}
diff --git a/contrib/syslinux-4.02/com32/menu/drain.c b/contrib/syslinux-4.02/com32/menu/drain.c
new file mode 100644
index 0000000..60efd35
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/drain.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/cpu.h>
+
+void drain_keyboard(void)
+{
+ /* Prevent "ghost typing" and keyboard buffer snooping */
+ volatile char junk;
+ int rv;
+
+ do {
+ rv = read(0, (char *)&junk, 1);
+ } while (rv > 0);
+
+ junk = 0;
+
+ cli();
+ *(volatile uint8_t *)0x419 = 0; /* Alt-XXX keyboard area */
+ *(volatile uint16_t *)0x41a = 0x1e; /* Keyboard buffer empty */
+ *(volatile uint16_t *)0x41c = 0x1e;
+ memset((void *)0x41e, 0, 32); /* Clear the actual keyboard buffer */
+ sti();
+}
diff --git a/contrib/syslinux-4.02/com32/menu/execute.c b/contrib/syslinux-4.02/com32/menu/execute.c
new file mode 100644
index 0000000..c2de735
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/execute.c
@@ -0,0 +1,69 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <stdlib.h>
+#include <string.h>
+#include <com32.h>
+#include "menu.h"
+
+void execute(const char *cmdline, enum kernel_type type)
+{
+ com32sys_t ireg;
+ const char *p, *const *pp;
+ char *q = __com32.cs_bounce;
+ const char *kernel, *args;
+
+ memset(&ireg, 0, sizeof ireg);
+
+ kernel = q;
+ p = cmdline;
+ while (*p && !my_isspace(*p)) {
+ *q++ = *p++;
+ }
+ *q++ = '\0';
+
+ args = q;
+ while (*p && my_isspace(*p))
+ p++;
+
+ strcpy(q, p);
+
+ if (kernel[0] == '.' && type == KT_NONE) {
+ /* It might be a type specifier */
+ enum kernel_type type = KT_NONE;
+ for (pp = kernel_types; *pp; pp++, type++) {
+ if (!strcmp(kernel + 1, *pp)) {
+ execute(p, type); /* Strip the type specifier and retry */
+ }
+ }
+ }
+
+ if (type == KT_LOCALBOOT) {
+ ireg.eax.w[0] = 0x0014; /* Local boot */
+ ireg.edx.w[0] = strtoul(kernel, NULL, 0);
+ } else {
+ if (type < KT_KERNEL)
+ type = KT_KERNEL;
+
+ ireg.eax.w[0] = 0x0016; /* Run kernel image */
+ ireg.esi.w[0] = OFFS(kernel);
+ ireg.ds = SEG(kernel);
+ ireg.ebx.w[0] = OFFS(args);
+ ireg.es = SEG(args);
+ ireg.edx.l = type - KT_KERNEL;
+ /* ireg.ecx.l = 0; *//* We do ipappend "manually" */
+ }
+
+ __intcall(0x22, &ireg, NULL);
+
+ /* If this returns, something went bad; return to menu */
+}
diff --git a/contrib/syslinux-4.02/com32/menu/menu.c b/contrib/syslinux-4.02/com32/menu/menu.c
new file mode 100644
index 0000000..8f7af4d
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/menu.c
@@ -0,0 +1,44 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * menu.c
+ *
+ * Simple menu system which displays a list and allows the user to select
+ * a command line and/or edit it.
+ */
+
+#include <consoles.h>
+#include "menu.h"
+
+int draw_background(const char *arg)
+{
+ /* Nothing to do... */
+ (void)arg;
+ return 0;
+}
+
+void set_resolution(int x, int y)
+{
+ (void)x;
+ (void)y;
+}
+
+void local_cursor_enable(bool enabled)
+{
+ (void)enabled;
+}
+
+void start_console(void)
+{
+ console_ansi_raw();
+}
diff --git a/contrib/syslinux-4.02/com32/menu/menu.h b/contrib/syslinux-4.02/com32/menu/menu.h
new file mode 100644
index 0000000..36c5669
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/menu.h
@@ -0,0 +1,234 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * menu.h
+ *
+ * Header file for the simple menu system
+ */
+
+#ifndef MENU_H
+#define MENU_H
+
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <colortbl.h>
+#include <stdbool.h>
+#include "refstr.h"
+
+/* #define DEBUG 1 */
+#include <dprintf.h>
+
+#ifndef CLK_TCK
+# define CLK_TCK sysconf(_SC_CLK_TCK)
+#endif
+
+struct menu;
+
+/* Note: the _UNRES variants must always be immediately after their
+ "normal" versions. */
+enum menu_action {
+ MA_NONE, /* Undefined value */
+ MA_CMD, /* Execute a command */
+ MA_DISABLED, /* Disabled menu entry */
+ MA_SUBMENU, /* This is a submenu entry */
+ MA_GOTO, /* Go to another menu */
+ MA_GOTO_UNRES, /* Unresolved go to */
+ MA_QUIT, /* Quit to CLI */
+ MA_EXIT, /* Exit to higher-level menu */
+ MA_EXIT_UNRES, /* Unresolved exit */
+ MA_HELP, /* Show help text */
+};
+
+struct menu_entry {
+ struct menu *menu; /* Parent menu */
+ const char *displayname;
+ const char *label;
+ const char *passwd;
+ char *helptext;
+ const char *cmdline;
+ const char *background;
+ struct menu *submenu;
+ struct menu_entry *next; /* Linked list of all labels across menus */
+ int entry; /* Entry number inside menu */
+ enum menu_action action;
+ unsigned char hotkey;
+ bool immediate; /* Hotkey action does not require Enter */
+ bool save; /* Save this entry if selected */
+};
+
+static inline bool is_disabled(struct menu_entry *me)
+{
+ return me->action == MA_DISABLED;
+}
+
+enum kernel_type {
+ /* Meta-types for internal use */
+ KT_NONE,
+ KT_LOCALBOOT,
+
+ /* The ones we can pass off to SYSLINUX, in order */
+ KT_KERNEL, /* Undefined type */
+ KT_LINUX, /* Linux kernel */
+ KT_BOOT, /* Bootstrap program */
+ KT_BSS, /* Boot sector with patch */
+ KT_PXE, /* PXE NBP */
+ KT_FDIMAGE, /* Floppy disk image */
+ KT_COMBOOT, /* COMBOOT image */
+ KT_COM32, /* COM32 image */
+ KT_CONFIG, /* Configuration file */
+};
+
+extern const char *const kernel_types[];
+
+/* Configurable integer parameters */
+enum parameter_number {
+ P_WIDTH,
+ P_MARGIN,
+ P_PASSWD_MARGIN,
+ P_MENU_ROWS,
+ P_TABMSG_ROW,
+ P_CMDLINE_ROW,
+ P_END_ROW,
+ P_PASSWD_ROW,
+ P_TIMEOUT_ROW,
+ P_HELPMSG_ROW,
+ P_HELPMSGEND_ROW,
+ P_HSHIFT,
+ P_VSHIFT,
+ P_HIDDEN_ROW,
+
+ NPARAMS
+};
+
+/* Configurable messages */
+enum message_number {
+ MSG_TITLE,
+ MSG_AUTOBOOT,
+ MSG_TAB,
+ MSG_NOTAB,
+ MSG_PASSPROMPT,
+
+ MSG_COUNT
+};
+
+struct messages {
+ const char *name; /* Message configuration name */
+ const char *defmsg; /* Default message text */
+};
+
+struct menu_parameter {
+ const char *name;
+ int value;
+};
+
+extern const struct menu_parameter mparm[NPARAMS];
+
+struct fkey_help {
+ const char *textname;
+ const char *background;
+};
+
+struct menu {
+ struct menu *next; /* Linked list of all menus */
+ const char *label; /* Goto label for this menu */
+ struct menu *parent;
+ struct menu_entry *parent_entry; /* Entry for self in parent */
+
+ struct menu_entry **menu_entries;
+ struct menu_entry *menu_hotkeys[256];
+
+ const char *messages[MSG_COUNT];
+ int mparm[NPARAMS];
+
+ int nentries;
+ int nentries_space;
+ int defentry;
+ int timeout;
+
+ bool allowedit;
+ bool immediate; /* MENU IMMEDIATE default for this menu */
+ bool save; /* MENU SAVE default for this menu */
+
+ int curentry;
+ int curtop;
+
+ const char *title;
+ const char *ontimeout;
+ const char *onerror;
+ const char *menu_master_passwd;
+ const char *menu_background;
+
+ struct color_table *color_table;
+
+ struct fkey_help fkeyhelp[12];
+};
+
+extern struct menu *root_menu, *start_menu, *hide_menu, *menu_list;
+
+/* 2048 is the current definition inside syslinux */
+#define MAX_CMDLINE_LEN 2048
+
+/* These are global parameters regardless of which menu we're displaying */
+extern int shiftkey;
+extern int hiddenmenu;
+extern int clearmenu;
+extern long long totaltimeout;
+
+void parse_configs(char **argv);
+int draw_background(const char *filename);
+void set_resolution(int x, int y);
+void start_console(void);
+void local_cursor_enable(bool);
+
+static inline int my_isspace(char c)
+{
+ return (unsigned char)c <= ' ';
+}
+
+int my_isxdigit(char c);
+unsigned int hexval(char c);
+unsigned int hexval2(const char *p);
+uint32_t parse_argb(char **p);
+
+extern const int message_base_color, menu_color_table_size;
+int mygetkey(clock_t timeout);
+int show_message_file(const char *filename, const char *background);
+
+/* passwd.c */
+int passwd_compare(const char *passwd, const char *entry);
+
+/* colors.c */
+#define MSG_COLORS_DEF_FG 0x90ffffff
+#define MSG_COLORS_DEF_BG 0x80ffffff
+#define MSG_COLORS_DEF_SHADOW SHADOW_NORMAL
+void set_msg_colors_global(struct color_table *tbl,
+ unsigned int fg, unsigned int bg,
+ enum color_table_shadow shadow);
+struct color_table *default_color_table(void);
+struct color_table *copy_color_table(const struct color_table *master);
+extern const int message_base_color;
+
+/* background.c */
+extern const char *current_background;
+void set_background(const char *new_background);
+
+/* execute.c */
+void execute(const char *cmdline, enum kernel_type type);
+
+/* drain.c */
+void drain_keyboard(void);
+
+#endif /* MENU_H */
diff --git a/contrib/syslinux-4.02/com32/menu/menumain.c b/contrib/syslinux-4.02/com32/menu/menumain.c
new file mode 100644
index 0000000..06725f3
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/menumain.c
@@ -0,0 +1,1164 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ * Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * menumain.c
+ *
+ * Simple menu system which displays a list and allows the user to select
+ * a command line and/or edit it.
+ */
+
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <consoles.h>
+#include <getkey.h>
+#include <minmax.h>
+#include <setjmp.h>
+#include <limits.h>
+#include <com32.h>
+#include <syslinux/adv.h>
+
+#include "menu.h"
+
+/* The symbol "cm" always refers to the current menu across this file... */
+static struct menu *cm;
+
+const struct menu_parameter mparm[NPARAMS] = {
+ [P_WIDTH] = {"width", 0},
+ [P_MARGIN] = {"margin", 10},
+ [P_PASSWD_MARGIN] = {"passwordmargin", 3},
+ [P_MENU_ROWS] = {"rows", 12},
+ [P_TABMSG_ROW] = {"tabmsgrow", 18},
+ [P_CMDLINE_ROW] = {"cmdlinerow", 18},
+ [P_END_ROW] = {"endrow", -1},
+ [P_PASSWD_ROW] = {"passwordrow", 11},
+ [P_TIMEOUT_ROW] = {"timeoutrow", 20},
+ [P_HELPMSG_ROW] = {"helpmsgrow", 22},
+ [P_HELPMSGEND_ROW] = {"helpmsgendrow", -1},
+ [P_HSHIFT] = {"hshift", 0},
+ [P_VSHIFT] = {"vshift", 0},
+ [P_HIDDEN_ROW] = {"hiddenrow", -2},
+};
+
+/* These macros assume "cm" is a pointer to the current menu */
+#define WIDTH (cm->mparm[P_WIDTH])
+#define MARGIN (cm->mparm[P_MARGIN])
+#define PASSWD_MARGIN (cm->mparm[P_PASSWD_MARGIN])
+#define MENU_ROWS (cm->mparm[P_MENU_ROWS])
+#define TABMSG_ROW (cm->mparm[P_TABMSG_ROW]+VSHIFT)
+#define CMDLINE_ROW (cm->mparm[P_CMDLINE_ROW]+VSHIFT)
+#define END_ROW (cm->mparm[P_END_ROW])
+#define PASSWD_ROW (cm->mparm[P_PASSWD_ROW]+VSHIFT)
+#define TIMEOUT_ROW (cm->mparm[P_TIMEOUT_ROW]+VSHIFT)
+#define HELPMSG_ROW (cm->mparm[P_HELPMSG_ROW]+VSHIFT)
+#define HELPMSGEND_ROW (cm->mparm[P_HELPMSGEND_ROW])
+#define HSHIFT (cm->mparm[P_HSHIFT])
+#define VSHIFT (cm->mparm[P_VSHIFT])
+#define HIDDEN_ROW (cm->mparm[P_HIDDEN_ROW])
+
+static char *pad_line(const char *text, int align, int width)
+{
+ static char buffer[MAX_CMDLINE_LEN];
+ int n, p;
+
+ if (width >= (int)sizeof buffer)
+ return NULL; /* Can't do it */
+
+ n = strlen(text);
+ if (n >= width)
+ n = width;
+
+ memset(buffer, ' ', width);
+ buffer[width] = 0;
+ p = ((width - n) * align) >> 1;
+ memcpy(buffer + p, text, n);
+
+ return buffer;
+}
+
+/* Display an entry, with possible hotkey highlight. Assumes
+ that the current attribute is the non-hotkey one, and will
+ guarantee that as an exit condition as well. */
+static void
+display_entry(const struct menu_entry *entry, const char *attrib,
+ const char *hotattrib, int width)
+{
+ const char *p = entry->displayname;
+ char marker;
+
+ if (!p)
+ p = "";
+
+ switch (entry->action) {
+ case MA_SUBMENU:
+ marker = '>';
+ break;
+ case MA_EXIT:
+ marker = '<';
+ break;
+ default:
+ marker = 0;
+ break;
+ }
+
+ if (marker)
+ width -= 2;
+
+ while (width) {
+ if (*p) {
+ if (*p == '^') {
+ p++;
+ if (*p && ((unsigned char)*p & ~0x20) == entry->hotkey) {
+ fputs(hotattrib, stdout);
+ putchar(*p++);
+ fputs(attrib, stdout);
+ width--;
+ }
+ } else {
+ putchar(*p++);
+ width--;
+ }
+ } else {
+ putchar(' ');
+ width--;
+ }
+ }
+
+ if (marker) {
+ putchar(' ');
+ putchar(marker);
+ }
+}
+
+static void draw_row(int y, int sel, int top, int sbtop, int sbbot)
+{
+ int i = (y - 4 - VSHIFT) + top;
+ int dis = (i < cm->nentries) && is_disabled(cm->menu_entries[i]);
+
+ printf("\033[%d;%dH\1#1\016x\017%s ",
+ y, MARGIN + 1 + HSHIFT,
+ (i == sel) ? "\1#5" : dis ? "\2#17" : "\1#3");
+
+ if (i >= cm->nentries) {
+ fputs(pad_line("", 0, WIDTH - 2 * MARGIN - 4), stdout);
+ } else {
+ display_entry(cm->menu_entries[i],
+ (i == sel) ? "\1#5" : dis ? "\2#17" : "\1#3",
+ (i == sel) ? "\1#6" : dis ? "\2#17" : "\1#4",
+ WIDTH - 2 * MARGIN - 4);
+ }
+
+ if (cm->nentries <= MENU_ROWS) {
+ printf(" \1#1\016x\017");
+ } else if (sbtop > 0) {
+ if (y >= sbtop && y <= sbbot)
+ printf(" \1#7\016a\017");
+ else
+ printf(" \1#1\016x\017");
+ } else {
+ putchar(' '); /* Don't modify the scrollbar */
+ }
+}
+
+static jmp_buf timeout_jump;
+
+int mygetkey(clock_t timeout)
+{
+ clock_t t0, t;
+ clock_t tto, to;
+ int key;
+
+ if (!totaltimeout)
+ return get_key(stdin, timeout);
+
+ for (;;) {
+ tto = min(totaltimeout, INT_MAX);
+ to = timeout ? min(tto, timeout) : tto;
+
+ t0 = times(NULL);
+ key = get_key(stdin, to);
+ t = times(NULL) - t0;
+
+ if (totaltimeout <= t)
+ longjmp(timeout_jump, 1);
+
+ totaltimeout -= t;
+
+ if (key != KEY_NONE)
+ return key;
+
+ if (timeout) {
+ if (timeout <= t)
+ return KEY_NONE;
+
+ timeout -= t;
+ }
+ }
+}
+
+static int ask_passwd(const char *menu_entry)
+{
+ char user_passwd[WIDTH], *p;
+ int done;
+ int key;
+ int x;
+ int rv;
+
+ printf("\033[%d;%dH\2#11\016l", PASSWD_ROW, PASSWD_MARGIN + 1);
+ for (x = 2; x <= WIDTH - 2 * PASSWD_MARGIN - 1; x++)
+ putchar('q');
+
+ printf("k\033[%d;%dHx", PASSWD_ROW + 1, PASSWD_MARGIN + 1);
+ for (x = 2; x <= WIDTH - 2 * PASSWD_MARGIN - 1; x++)
+ putchar(' ');
+
+ printf("x\033[%d;%dHm", PASSWD_ROW + 2, PASSWD_MARGIN + 1);
+ for (x = 2; x <= WIDTH - 2 * PASSWD_MARGIN - 1; x++)
+ putchar('q');
+
+ printf("j\017\033[%d;%dH\2#12 %s \033[%d;%dH\2#13",
+ PASSWD_ROW, (WIDTH - (strlen(cm->messages[MSG_PASSPROMPT]) + 2)) / 2,
+ cm->messages[MSG_PASSPROMPT], PASSWD_ROW + 1, PASSWD_MARGIN + 3);
+
+ drain_keyboard();
+
+ /* Actually allow user to type a password, then compare to the SHA1 */
+ done = 0;
+ p = user_passwd;
+
+ while (!done) {
+ key = mygetkey(0);
+
+ switch (key) {
+ case KEY_ENTER:
+ case KEY_CTRL('J'):
+ done = 1;
+ break;
+
+ case KEY_ESC:
+ case KEY_CTRL('C'):
+ p = user_passwd; /* No password entered */
+ done = 1;
+ break;
+
+ case KEY_BACKSPACE:
+ case KEY_DEL:
+ case KEY_DELETE:
+ if (p > user_passwd) {
+ printf("\b \b");
+ p--;
+ }
+ break;
+
+ case KEY_CTRL('U'):
+ while (p > user_passwd) {
+ printf("\b \b");
+ p--;
+ }
+ break;
+
+ default:
+ if (key >= ' ' && key <= 0xFF &&
+ (p - user_passwd) < WIDTH - 2 * PASSWD_MARGIN - 5) {
+ *p++ = key;
+ putchar('*');
+ }
+ break;
+ }
+ }
+
+ if (p == user_passwd)
+ return 0; /* No password entered */
+
+ *p = '\0';
+
+ rv = (cm->menu_master_passwd &&
+ passwd_compare(cm->menu_master_passwd, user_passwd))
+ || (menu_entry && passwd_compare(menu_entry, user_passwd));
+
+ /* Clean up */
+ memset(user_passwd, 0, WIDTH);
+ drain_keyboard();
+
+ return rv;
+}
+
+static void draw_menu(int sel, int top, int edit_line)
+{
+ int x, y;
+ int sbtop = 0, sbbot = 0;
+ const char *tabmsg;
+ int tabmsg_len;
+
+ if (cm->nentries > MENU_ROWS) {
+ int sblen = max(MENU_ROWS * MENU_ROWS / cm->nentries, 1);
+ sbtop = (MENU_ROWS - sblen + 1) * top / (cm->nentries - MENU_ROWS + 1);
+ sbbot = sbtop + sblen - 1;
+ sbtop += 4;
+ sbbot += 4; /* Starting row of scrollbar */
+ }
+
+ printf("\033[%d;%dH\1#1\016l", VSHIFT + 1, HSHIFT + MARGIN + 1);
+ for (x = 2 + HSHIFT; x <= (WIDTH - 2 * MARGIN - 1) + HSHIFT; x++)
+ putchar('q');
+
+ printf("k\033[%d;%dH\1#1x\017\1#2 %s \1#1\016x",
+ VSHIFT + 2,
+ HSHIFT + MARGIN + 1, pad_line(cm->title, 1, WIDTH - 2 * MARGIN - 4));
+
+ printf("\033[%d;%dH\1#1t", VSHIFT + 3, HSHIFT + MARGIN + 1);
+ for (x = 2 + HSHIFT; x <= (WIDTH - 2 * MARGIN - 1) + HSHIFT; x++)
+ putchar('q');
+ fputs("u\017", stdout);
+
+ for (y = 4 + VSHIFT; y < 4 + VSHIFT + MENU_ROWS; y++)
+ draw_row(y, sel, top, sbtop, sbbot);
+
+ printf("\033[%d;%dH\1#1\016m", y, HSHIFT + MARGIN + 1);
+ for (x = 2 + HSHIFT; x <= (WIDTH - 2 * MARGIN - 1) + HSHIFT; x++)
+ putchar('q');
+ fputs("j\017", stdout);
+
+ if (edit_line && cm->allowedit && !cm->menu_master_passwd)
+ tabmsg = cm->messages[MSG_TAB];
+ else
+ tabmsg = cm->messages[MSG_NOTAB];
+
+ tabmsg_len = strlen(tabmsg);
+
+ printf("\1#8\033[%d;%dH%s",
+ TABMSG_ROW, 1 + HSHIFT + ((WIDTH - tabmsg_len) >> 1), tabmsg);
+ printf("\1#0\033[%d;1H", END_ROW);
+}
+
+static void clear_screen(void)
+{
+ fputs("\033e\033%@\033)0\033(B\1#0\033[?25l\033[2J", stdout);
+}
+
+static void display_help(const char *text)
+{
+ int row;
+ const char *p;
+
+ if (!text) {
+ text = "";
+ printf("\1#0\033[%d;1H", HELPMSG_ROW);
+ } else {
+ printf("\2#16\033[%d;1H", HELPMSG_ROW);
+ }
+
+ for (p = text, row = HELPMSG_ROW; *p && row <= HELPMSGEND_ROW; p++) {
+ switch (*p) {
+ case '\r':
+ case '\f':
+ case '\v':
+ case '\033':
+ break;
+ case '\n':
+ printf("\033[K\033[%d;1H", ++row);
+ break;
+ default:
+ putchar(*p);
+ }
+ }
+
+ fputs("\033[K", stdout);
+
+ while (row <= HELPMSGEND_ROW) {
+ printf("\033[K\033[%d;1H", ++row);
+ }
+}
+
+static void show_fkey(int key)
+{
+ int fkey;
+
+ while (1) {
+ switch (key) {
+ case KEY_F1:
+ fkey = 0;
+ break;
+ case KEY_F2:
+ fkey = 1;
+ break;
+ case KEY_F3:
+ fkey = 2;
+ break;
+ case KEY_F4:
+ fkey = 3;
+ break;
+ case KEY_F5:
+ fkey = 4;
+ break;
+ case KEY_F6:
+ fkey = 5;
+ break;
+ case KEY_F7:
+ fkey = 6;
+ break;
+ case KEY_F8:
+ fkey = 7;
+ break;
+ case KEY_F9:
+ fkey = 8;
+ break;
+ case KEY_F10:
+ fkey = 9;
+ break;
+ case KEY_F11:
+ fkey = 10;
+ break;
+ case KEY_F12:
+ fkey = 11;
+ break;
+ default:
+ fkey = -1;
+ break;
+ }
+
+ if (fkey == -1)
+ break;
+
+ if (cm->fkeyhelp[fkey].textname)
+ key = show_message_file(cm->fkeyhelp[fkey].textname,
+ cm->fkeyhelp[fkey].background);
+ else
+ break;
+ }
+}
+
+static const char *edit_cmdline(const char *input, int top)
+{
+ static char cmdline[MAX_CMDLINE_LEN];
+ int key, len, prev_len, cursor;
+ int redraw = 1; /* We enter with the menu already drawn */
+
+ strlcpy(cmdline, input, MAX_CMDLINE_LEN);
+ cmdline[MAX_CMDLINE_LEN - 1] = '\0';
+
+ len = cursor = strlen(cmdline);
+ prev_len = 0;
+
+ for (;;) {
+ if (redraw > 1) {
+ /* Clear and redraw whole screen */
+ /* Enable ASCII on G0 and DEC VT on G1; do it in this order
+ to avoid confusing the Linux console */
+ clear_screen();
+ draw_menu(-1, top, 1);
+ prev_len = 0;
+ }
+
+ if (redraw > 0) {
+ /* Redraw the command line */
+ printf("\033[?25l\033[%d;1H\1#9> \2#10%s",
+ CMDLINE_ROW, pad_line(cmdline, 0, max(len, prev_len)));
+ printf("\2#10\033[%d;3H%s\033[?25h",
+ CMDLINE_ROW, pad_line(cmdline, 0, cursor));
+ prev_len = len;
+ redraw = 0;
+ }
+
+ key = mygetkey(0);
+
+ switch (key) {
+ case KEY_CTRL('L'):
+ redraw = 2;
+ break;
+
+ case KEY_ENTER:
+ case KEY_CTRL('J'):
+ return cmdline;
+
+ case KEY_ESC:
+ case KEY_CTRL('C'):
+ return NULL;
+
+ case KEY_BACKSPACE:
+ case KEY_DEL:
+ if (cursor) {
+ memmove(cmdline + cursor - 1, cmdline + cursor,
+ len - cursor + 1);
+ len--;
+ cursor--;
+ redraw = 1;
+ }
+ break;
+
+ case KEY_CTRL('D'):
+ case KEY_DELETE:
+ if (cursor < len) {
+ memmove(cmdline + cursor, cmdline + cursor + 1, len - cursor);
+ len--;
+ redraw = 1;
+ }
+ break;
+
+ case KEY_CTRL('U'):
+ if (len) {
+ len = cursor = 0;
+ cmdline[len] = '\0';
+ redraw = 1;
+ }
+ break;
+
+ case KEY_CTRL('W'):
+ if (cursor) {
+ int prevcursor = cursor;
+
+ while (cursor && my_isspace(cmdline[cursor - 1]))
+ cursor--;
+
+ while (cursor && !my_isspace(cmdline[cursor - 1]))
+ cursor--;
+
+ memmove(cmdline + cursor, cmdline + prevcursor,
+ len - prevcursor + 1);
+ len -= (prevcursor - cursor);
+ redraw = 1;
+ }
+ break;
+
+ case KEY_LEFT:
+ case KEY_CTRL('B'):
+ if (cursor) {
+ cursor--;
+ redraw = 1;
+ }
+ break;
+
+ case KEY_RIGHT:
+ case KEY_CTRL('F'):
+ if (cursor < len) {
+ putchar(cmdline[cursor++]);
+ }
+ break;
+
+ case KEY_CTRL('K'):
+ if (cursor < len) {
+ cmdline[len = cursor] = '\0';
+ redraw = 1;
+ }
+ break;
+
+ case KEY_HOME:
+ case KEY_CTRL('A'):
+ if (cursor) {
+ cursor = 0;
+ redraw = 1;
+ }
+ break;
+
+ case KEY_END:
+ case KEY_CTRL('E'):
+ if (cursor != len) {
+ cursor = len;
+ redraw = 1;
+ }
+ break;
+
+ case KEY_F1:
+ case KEY_F2:
+ case KEY_F3:
+ case KEY_F4:
+ case KEY_F5:
+ case KEY_F6:
+ case KEY_F7:
+ case KEY_F8:
+ case KEY_F9:
+ case KEY_F10:
+ case KEY_F11:
+ case KEY_F12:
+ show_fkey(key);
+ redraw = 1;
+ break;
+
+ default:
+ if (key >= ' ' && key <= 0xFF && len < MAX_CMDLINE_LEN - 1) {
+ if (cursor == len) {
+ cmdline[len] = key;
+ cmdline[++len] = '\0';
+ cursor++;
+ putchar(key);
+ prev_len++;
+ } else {
+ memmove(cmdline + cursor + 1, cmdline + cursor,
+ len - cursor + 1);
+ cmdline[cursor++] = key;
+ len++;
+ redraw = 1;
+ }
+ }
+ break;
+ }
+ }
+}
+
+static inline int shift_is_held(void)
+{
+ uint8_t shift_bits = *(uint8_t *) 0x417;
+
+ return !!(shift_bits & 0x5d); /* Caps/Scroll/Alt/Shift */
+}
+
+static void print_timeout_message(int tol, int row, const char *msg)
+{
+ static int last_msg_len = 0;
+ char buf[256];
+ int nc = 0, nnc, padc;
+ const char *tp = msg;
+ char tc;
+ char *tq = buf;
+
+ while ((size_t) (tq - buf) < (sizeof buf - 16) && (tc = *tp)) {
+ tp++;
+ if (tc == '#') {
+ nnc = sprintf(tq, "\2#15%d\2#14", tol);
+ tq += nnc;
+ nc += nnc - 8; /* 8 formatting characters */
+ } else if (tc == '{') {
+ /* Deal with {singular[,dual],plural} constructs */
+ struct {
+ const char *s, *e;
+ } tx[3];
+ const char *tpp;
+ int n = 0;
+
+ memset(tx, 0, sizeof tx);
+
+ tx[0].s = tp;
+
+ while (*tp && *tp != '}') {
+ if (*tp == ',' && n < 2) {
+ tx[n].e = tp;
+ n++;
+ tx[n].s = tp + 1;
+ }
+ tp++;
+ }
+ tx[n].e = tp;
+
+ if (*tp)
+ tp++; /* Skip final bracket */
+
+ if (!tx[1].s)
+ tx[1] = tx[0];
+ if (!tx[2].s)
+ tx[2] = tx[1];
+
+ /* Now [0] is singular, [1] is dual, and [2] is plural,
+ even if the user only specified some of them. */
+
+ switch (tol) {
+ case 1:
+ n = 0;
+ break;
+ case 2:
+ n = 1;
+ break;
+ default:
+ n = 2;
+ break;
+ }
+
+ for (tpp = tx[n].s; tpp < tx[n].e; tpp++) {
+ if ((size_t) (tq - buf) < (sizeof buf)) {
+ *tq++ = *tpp;
+ nc++;
+ }
+ }
+ } else {
+ *tq++ = tc;
+ nc++;
+ }
+ }
+ *tq = '\0';
+
+ if (nc >= last_msg_len) {
+ padc = 0;
+ } else {
+ padc = (last_msg_len - nc + 1) >> 1;
+ }
+
+ printf("\033[%d;%dH\2#14%*s%s%*s", row,
+ HSHIFT + 1 + ((WIDTH - nc) >> 1) - padc,
+ padc, "", buf, padc, "");
+
+ last_msg_len = nc;
+}
+
+/* Set the background screen, etc. */
+static void prepare_screen_for_menu(void)
+{
+ console_color_table = cm->color_table;
+ console_color_table_size = menu_color_table_size;
+ set_background(cm->menu_background);
+}
+
+static const char *do_hidden_menu(void)
+{
+ int key;
+ int timeout_left, this_timeout;
+
+ clear_screen();
+
+ if (!setjmp(timeout_jump)) {
+ timeout_left = cm->timeout;
+
+ while (!cm->timeout || timeout_left) {
+ int tol = timeout_left / CLK_TCK;
+
+ print_timeout_message(tol, HIDDEN_ROW, cm->messages[MSG_AUTOBOOT]);
+
+ this_timeout = min(timeout_left, CLK_TCK);
+ key = mygetkey(this_timeout);
+
+ if (key != KEY_NONE)
+ return NULL; /* Key pressed */
+
+ timeout_left -= this_timeout;
+ }
+ }
+
+ /* Clear the message from the screen */
+ print_timeout_message(0, HIDDEN_ROW, "");
+
+ if (cm->ontimeout)
+ return cm->ontimeout;
+ else
+ return cm->menu_entries[cm->defentry]->cmdline; /* Default entry */
+}
+
+static const char *run_menu(void)
+{
+ int key;
+ int done = 0;
+ volatile int entry = cm->curentry;
+ int prev_entry = -1;
+ volatile int top = cm->curtop;
+ int prev_top = -1;
+ int clear = 1, to_clear;
+ const char *cmdline = NULL;
+ volatile clock_t key_timeout, timeout_left, this_timeout;
+ const struct menu_entry *me;
+ bool hotkey = false;
+
+ /* Note: for both key_timeout and timeout == 0 means no limit */
+ timeout_left = key_timeout = cm->timeout;
+
+ /* If we're in shiftkey mode, exit immediately unless a shift key
+ is pressed */
+ if (shiftkey && !shift_is_held()) {
+ return cm->menu_entries[cm->defentry]->cmdline;
+ } else {
+ shiftkey = 0;
+ }
+
+ /* Do this before hiddenmenu handling, so we show the background */
+ prepare_screen_for_menu();
+
+ /* Handle hiddenmenu */
+ if (hiddenmenu) {
+ cmdline = do_hidden_menu();
+ if (cmdline)
+ return cmdline;
+
+ /* Otherwise display the menu now; the timeout has already been
+ cancelled, since the user pressed a key. */
+ hiddenmenu = 0;
+ key_timeout = 0;
+ }
+
+ /* Handle both local and global timeout */
+ if (setjmp(timeout_jump)) {
+ entry = cm->defentry;
+
+ if (top < 0 || top < entry - MENU_ROWS + 1)
+ top = max(0, entry - MENU_ROWS + 1);
+ else if (top > entry || top > max(0, cm->nentries - MENU_ROWS))
+ top = min(entry, max(0, cm->nentries - MENU_ROWS));
+
+ draw_menu(cm->ontimeout ? -1 : entry, top, 1);
+ cmdline =
+ cm->ontimeout ? cm->ontimeout : cm->menu_entries[entry]->cmdline;
+ done = 1;
+ }
+
+ while (!done) {
+ if (entry <= 0) {
+ entry = 0;
+ while (entry < cm->nentries && is_disabled(cm->menu_entries[entry]))
+ entry++;
+ }
+ if (entry >= cm->nentries) {
+ entry = cm->nentries - 1;
+ while (entry > 0 && is_disabled(cm->menu_entries[entry]))
+ entry--;
+ }
+
+ me = cm->menu_entries[entry];
+
+ if (top < 0 || top < entry - MENU_ROWS + 1)
+ top = max(0, entry - MENU_ROWS + 1);
+ else if (top > entry || top > max(0, cm->nentries - MENU_ROWS))
+ top = min(entry, max(0, cm->nentries - MENU_ROWS));
+
+ /* Start with a clear screen */
+ if (clear) {
+ /* Clear and redraw whole screen */
+ /* Enable ASCII on G0 and DEC VT on G1; do it in this order
+ to avoid confusing the Linux console */
+ if (clear >= 2)
+ prepare_screen_for_menu();
+ clear_screen();
+ clear = 0;
+ prev_entry = prev_top = -1;
+ }
+
+ if (top != prev_top) {
+ draw_menu(entry, top, 1);
+ display_help(me->helptext);
+ } else if (entry != prev_entry) {
+ draw_row(prev_entry - top + 4 + VSHIFT, entry, top, 0, 0);
+ draw_row(entry - top + 4 + VSHIFT, entry, top, 0, 0);
+ display_help(me->helptext);
+ }
+
+ prev_entry = entry;
+ prev_top = top;
+ cm->curentry = entry;
+ cm->curtop = top;
+
+ /* Cursor movement cancels timeout */
+ if (entry != cm->defentry)
+ key_timeout = 0;
+
+ if (key_timeout) {
+ int tol = timeout_left / CLK_TCK;
+ print_timeout_message(tol, TIMEOUT_ROW, cm->messages[MSG_AUTOBOOT]);
+ to_clear = 1;
+ } else {
+ to_clear = 0;
+ }
+
+ if (hotkey && me->immediate) {
+ /* If the hotkey was flagged immediate, simulate pressing ENTER */
+ key = KEY_ENTER;
+ } else {
+ this_timeout = min(min(key_timeout, timeout_left),
+ (clock_t) CLK_TCK);
+ key = mygetkey(this_timeout);
+
+ if (key != KEY_NONE) {
+ timeout_left = key_timeout;
+ if (to_clear)
+ printf("\033[%d;1H\1#0\033[K", TIMEOUT_ROW);
+ }
+ }
+
+ hotkey = false;
+
+ switch (key) {
+ case KEY_NONE: /* Timeout */
+ /* This is somewhat hacky, but this at least lets the user
+ know what's going on, and still deals with "phantom inputs"
+ e.g. on serial ports.
+
+ Warning: a timeout will boot the default entry without any
+ password! */
+ if (key_timeout) {
+ if (timeout_left <= this_timeout)
+ longjmp(timeout_jump, 1);
+
+ timeout_left -= this_timeout;
+ }
+ break;
+
+ case KEY_CTRL('L'):
+ clear = 1;
+ break;
+
+ case KEY_ENTER:
+ case KEY_CTRL('J'):
+ key_timeout = 0; /* Cancels timeout */
+ if (me->passwd) {
+ clear = 1;
+ done = ask_passwd(me->passwd);
+ } else {
+ done = 1;
+ }
+ cmdline = NULL;
+ if (done) {
+ switch (me->action) {
+ case MA_CMD:
+ cmdline = me->cmdline;
+ break;
+ case MA_SUBMENU:
+ case MA_GOTO:
+ case MA_EXIT:
+ done = 0;
+ clear = 2;
+ cm = me->submenu;
+ entry = cm->curentry;
+ top = cm->curtop;
+ break;
+ case MA_QUIT:
+ /* Quit menu system */
+ done = 1;
+ clear = 1;
+ draw_row(entry - top + 4 + VSHIFT, -1, top, 0, 0);
+ break;
+ case MA_HELP:
+ key = show_message_file(me->cmdline, me->background);
+ /* If the exit was an F-key, display that help screen */
+ show_fkey(key);
+ done = 0;
+ clear = 1;
+ break;
+ default:
+ done = 0;
+ break;
+ }
+ }
+ if (done && !me->passwd) {
+ /* Only save a new default if we don't have a password... */
+ if (me->save && me->label) {
+ syslinux_setadv(ADV_MENUSAVE, strlen(me->label), me->label);
+ syslinux_adv_write();
+ }
+ }
+ break;
+
+ case KEY_UP:
+ case KEY_CTRL('P'):
+ while (entry > 0) {
+ entry--;
+ if (entry < top)
+ top -= MENU_ROWS;
+ if (!is_disabled(cm->menu_entries[entry]))
+ break;
+ }
+ break;
+
+ case KEY_DOWN:
+ case KEY_CTRL('N'):
+ while (entry < cm->nentries - 1) {
+ entry++;
+ if (entry >= top + MENU_ROWS)
+ top += MENU_ROWS;
+ if (!is_disabled(cm->menu_entries[entry]))
+ break;
+ }
+ break;
+
+ case KEY_PGUP:
+ case KEY_LEFT:
+ case KEY_CTRL('B'):
+ case '<':
+ entry -= MENU_ROWS;
+ top -= MENU_ROWS;
+ while (entry > 0 && is_disabled(cm->menu_entries[entry])) {
+ entry--;
+ if (entry < top)
+ top -= MENU_ROWS;
+ }
+ break;
+
+ case KEY_PGDN:
+ case KEY_RIGHT:
+ case KEY_CTRL('F'):
+ case '>':
+ case ' ':
+ entry += MENU_ROWS;
+ top += MENU_ROWS;
+ while (entry < cm->nentries - 1
+ && is_disabled(cm->menu_entries[entry])) {
+ entry++;
+ if (entry >= top + MENU_ROWS)
+ top += MENU_ROWS;
+ }
+ break;
+
+ case '-':
+ while (entry > 0) {
+ entry--;
+ top--;
+ if (!is_disabled(cm->menu_entries[entry]))
+ break;
+ }
+ break;
+
+ case '+':
+ while (entry < cm->nentries - 1) {
+ entry++;
+ top++;
+ if (!is_disabled(cm->menu_entries[entry]))
+ break;
+ }
+ break;
+
+ case KEY_CTRL('A'):
+ case KEY_HOME:
+ top = entry = 0;
+ break;
+
+ case KEY_CTRL('E'):
+ case KEY_END:
+ entry = cm->nentries - 1;
+ top = max(0, cm->nentries - MENU_ROWS);
+ break;
+
+ case KEY_F1:
+ case KEY_F2:
+ case KEY_F3:
+ case KEY_F4:
+ case KEY_F5:
+ case KEY_F6:
+ case KEY_F7:
+ case KEY_F8:
+ case KEY_F9:
+ case KEY_F10:
+ case KEY_F11:
+ case KEY_F12:
+ show_fkey(key);
+ clear = 1;
+ break;
+
+ case KEY_TAB:
+ if (cm->allowedit && me->action == MA_CMD) {
+ int ok = 1;
+
+ key_timeout = 0; /* Cancels timeout */
+ draw_row(entry - top + 4 + VSHIFT, -1, top, 0, 0);
+
+ if (cm->menu_master_passwd) {
+ ok = ask_passwd(NULL);
+ clear_screen();
+ draw_menu(-1, top, 0);
+ } else {
+ /* Erase [Tab] message and help text */
+ printf("\033[%d;1H\1#0\033[K", TABMSG_ROW);
+ display_help(NULL);
+ }
+
+ if (ok) {
+ cmdline = edit_cmdline(me->cmdline, top);
+ done = !!cmdline;
+ clear = 1; /* In case we hit [Esc] and done is null */
+ } else {
+ draw_row(entry - top + 4 + VSHIFT, entry, top, 0, 0);
+ }
+ }
+ break;
+ case KEY_CTRL('C'): /* Ctrl-C */
+ case KEY_ESC: /* Esc */
+ if (cm->parent) {
+ cm = cm->parent;
+ clear = 2;
+ entry = cm->curentry;
+ top = cm->curtop;
+ } else if (cm->allowedit) {
+ done = 1;
+ clear = 1;
+ key_timeout = 0;
+
+ draw_row(entry - top + 4 + VSHIFT, -1, top, 0, 0);
+
+ if (cm->menu_master_passwd)
+ done = ask_passwd(NULL);
+ }
+ break;
+ default:
+ if (key > 0 && key < 0xFF) {
+ key &= ~0x20; /* Upper case */
+ if (cm->menu_hotkeys[key]) {
+ key_timeout = 0;
+ entry = cm->menu_hotkeys[key]->entry;
+ /* Should we commit at this point? */
+ hotkey = true;
+ }
+ }
+ break;
+ }
+ }
+
+ printf("\033[?25h"); /* Show cursor */
+
+ /* Return the label name so localboot and ipappend work */
+ return cmdline;
+}
+
+int main(int argc, char *argv[])
+{
+ const char *cmdline;
+ struct menu *m;
+ int rows, cols;
+ int i;
+
+ (void)argc;
+
+ parse_configs(argv + 1);
+
+ /*
+ * We don't start the console until we have parsed the configuration
+ * file, since the configuration file might impact the console
+ * configuration, e.g. MENU RESOLUTION.
+ */
+ start_console();
+ if (getscreensize(1, &rows, &cols)) {
+ /* Unknown screen size? */
+ rows = 24;
+ cols = 80;
+ }
+
+ /* Some postprocessing for all menus */
+ for (m = menu_list; m; m = m->next) {
+ if (!m->mparm[P_WIDTH])
+ m->mparm[P_WIDTH] = cols;
+
+ /* If anyone has specified negative parameters, consider them
+ relative to the bottom row of the screen. */
+ for (i = 0; i < NPARAMS; i++)
+ if (m->mparm[i] < 0)
+ m->mparm[i] = max(m->mparm[i] + rows, 0);
+ }
+
+ cm = start_menu;
+
+ if (!cm->nentries) {
+ fputs("Initial menu has no LABEL entries!\n", stdout);
+ return 1; /* Error! */
+ }
+
+ for (;;) {
+ local_cursor_enable(true);
+ cmdline = run_menu();
+
+ if (clearmenu)
+ clear_screen();
+
+ local_cursor_enable(false);
+ printf("\033[?25h\033[%d;1H\033[0m", END_ROW);
+
+ if (cmdline) {
+ execute(cmdline, KT_NONE);
+ if (cm->onerror)
+ execute(cm->onerror, KT_NONE);
+ } else {
+ return 0; /* Exit */
+ }
+ }
+}
diff --git a/contrib/syslinux-4.02/com32/menu/passwd.c b/contrib/syslinux-4.02/com32/menu/passwd.c
new file mode 100644
index 0000000..d5cfd08
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/passwd.c
@@ -0,0 +1,96 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <string.h>
+#include <xcrypt.h>
+#include <sha1.h>
+#include <base64.h>
+
+#include "menu.h"
+
+static int passwd_compare_sha1(const char *passwd, const char *entry)
+{
+ struct {
+ SHA1_CTX ctx;
+ unsigned char sha1[20], pwdsha1[20];
+ } d;
+ const char *p;
+ int rv;
+
+ SHA1Init(&d.ctx);
+
+ if ((p = strchr(passwd + 3, '$'))) {
+ SHA1Update(&d.ctx, (void *)passwd + 3, p - (passwd + 3));
+ p++;
+ } else {
+ p = passwd + 3; /* Assume no salt */
+ }
+
+ SHA1Update(&d.ctx, (void *)entry, strlen(entry));
+ SHA1Final(d.sha1, &d.ctx);
+
+ memset(d.pwdsha1, 0, 20);
+ unbase64(d.pwdsha1, 20, p);
+
+ rv = !memcmp(d.sha1, d.pwdsha1, 20);
+
+ memset(&d, 0, sizeof d);
+ return rv;
+}
+
+static int passwd_compare_md5(const char *passwd, const char *entry)
+{
+ const char *crypted = crypt_md5(entry, passwd + 3);
+ int len = strlen(crypted);
+
+ return !strncmp(crypted, passwd, len) &&
+ (passwd[len] == '\0' || passwd[len] == '$');
+}
+
+static int passwd_compare_sha256(const char *passwd, const char *entry)
+{
+ const char *crypted = sha256_crypt(entry, passwd + 3);
+ int len = strlen(crypted);
+
+ return !strncmp(crypted, passwd, len) &&
+ (passwd[len] == '\0' || passwd[len] == '$');
+}
+
+static int passwd_compare_sha512(const char *passwd, const char *entry)
+{
+ const char *crypted = sha512_crypt(entry, passwd + 3);
+ int len = strlen(crypted);
+
+ return !strncmp(crypted, passwd, len) &&
+ (passwd[len] == '\0' || passwd[len] == '$');
+}
+
+int passwd_compare(const char *passwd, const char *entry)
+{
+ if (passwd[0] != '$' || !passwd[1] || passwd[2] != '$') {
+ /* Plaintext passwd, yuck! */
+ return !strcmp(entry, passwd);
+ } else {
+ switch (passwd[1]) {
+ case '1':
+ return passwd_compare_md5(passwd, entry);
+ case '4':
+ return passwd_compare_sha1(passwd, entry);
+ case '5':
+ return passwd_compare_sha256(passwd, entry);
+ case '6':
+ return passwd_compare_sha512(passwd, entry);
+ default:
+ return 0; /* Unknown encryption algorithm -> false */
+ }
+ }
+}
diff --git a/contrib/syslinux-4.02/com32/menu/printmsg.c b/contrib/syslinux-4.02/com32/menu/printmsg.c
new file mode 100644
index 0000000..cfceac3
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/printmsg.c
@@ -0,0 +1,119 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <ctype.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <consoles.h>
+#include <getkey.h>
+#include <minmax.h>
+#include <setjmp.h>
+#include <limits.h>
+#include <sha1.h>
+#include <base64.h>
+#include <colortbl.h>
+#ifdef __COM32__
+#include <com32.h>
+#endif
+
+#include "menu.h"
+
+static int draw_message_file(const char *filename)
+{
+ FILE *f;
+ int ch;
+ enum msgname_state {
+ st_init, /* Base state */
+ st_si_1, /* <SI> digit 1 */
+ st_si_2, /* <SI> digit 2 */
+ st_skipline, /* Skip until NL */
+ } state = st_init;
+ int eof = 0;
+ int attr = 0;
+
+ f = fopen(filename, "r");
+ if (!f)
+ return -1;
+
+ /* Clear screen, hide cursor, default attribute */
+ printf("\033e\033%%@\033)0\033(B\3#%03d\033[?25l\033[2J\033[H",
+ message_base_color + 0x07);
+
+ while (!eof && (ch = getc(f)) != EOF) {
+ switch (state) {
+ case st_init:
+ switch (ch) {
+ case '\f':
+ fputs("\033[2J\033[H", stdout);
+ break;
+ case 15: /* SI */
+ state = st_si_1;
+ break;
+ case 24:
+ state = st_skipline;
+ break;
+ case 26:
+ eof = 1;
+ break;
+ case '\a':
+ case '\n':
+ case '\r':
+ putchar(ch);
+ break;
+ default:
+ if (ch >= 32)
+ putchar(ch);
+ break;
+ }
+ break;
+
+ case st_si_1:
+ attr = hexval(ch) << 4;
+ state = st_si_2;
+ break;
+
+ case st_si_2:
+ attr |= hexval(ch);
+ printf("\3#%03d", attr + message_base_color);
+ state = st_init;
+ break;
+
+ case st_skipline:
+ if (ch == '\n')
+ state = st_init;
+ break;
+ }
+ }
+
+ fclose(f);
+ return 0;
+}
+
+int show_message_file(const char *filename, const char *background)
+{
+ int rv = KEY_NONE;
+ const char *old_background = NULL;
+
+ if (background) {
+ old_background = current_background;
+ set_background(background);
+ }
+
+ if (!(rv = draw_message_file(filename)))
+ rv = mygetkey(0); /* Wait for keypress */
+
+ if (old_background)
+ set_background(old_background);
+
+ return rv;
+}
diff --git a/contrib/syslinux-4.02/com32/menu/readconfig.c b/contrib/syslinux-4.02/com32/menu/readconfig.c
new file mode 100644
index 0000000..8c16fda
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/readconfig.c
@@ -0,0 +1,1107 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2009 H. Peter Anvin - All Rights Reserved
+ * Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <minmax.h>
+#include <alloca.h>
+#include <inttypes.h>
+#include <colortbl.h>
+#include <com32.h>
+#include <syslinux/adv.h>
+#include <syslinux/config.h>
+
+#include "menu.h"
+
+/* Empty refstring */
+const char *empty_string;
+
+/* Root menu, starting menu, hidden menu, and list of all menus */
+struct menu *root_menu, *start_menu, *hide_menu, *menu_list;
+
+/* These are global parameters regardless of which menu we're displaying */
+int shiftkey = 0; /* Only display menu if shift key pressed */
+int hiddenmenu = 0;
+int clearmenu = 0;
+long long totaltimeout = 0;
+
+/* Keep track of global default */
+static int has_ui = 0; /* DEFAULT only counts if UI is found */
+static const char *globaldefault = NULL;
+static bool menusave = false; /* True if there is any "menu save" */
+
+/* Linked list of all entires, hidden or not; used by unlabel() */
+static struct menu_entry *all_entries;
+static struct menu_entry **all_entries_end = &all_entries;
+
+static const struct messages messages[MSG_COUNT] = {
+ [MSG_AUTOBOOT] = {"autoboot", "Automatic boot in # second{,s}..."},
+ [MSG_TAB] = {"tabmsg", "Press [Tab] to edit options"},
+ [MSG_NOTAB] = {"notabmsg", ""},
+ [MSG_PASSPROMPT] = {"passprompt", "Password required"},
+};
+
+#define astrdup(x) ({ char *__x = (x); \
+ size_t __n = strlen(__x) + 1; \
+ char *__p = alloca(__n); \
+ if ( __p ) memcpy(__p, __x, __n); \
+ __p; })
+
+/* Must match enum kernel_type */
+const char *const kernel_types[] = {
+ "none",
+ "localboot",
+ "kernel",
+ "linux",
+ "boot",
+ "bss",
+ "pxe",
+ "fdimage",
+ "comboot",
+ "com32",
+ "config",
+ NULL
+};
+
+/*
+ * Search the list of all menus for a specific label
+ */
+static struct menu *find_menu(const char *label)
+{
+ struct menu *m;
+
+ for (m = menu_list; m; m = m->next) {
+ if (!strcmp(label, m->label))
+ return m;
+ }
+
+ return NULL;
+}
+
+#define MAX_LINE 4096
+
+static char *skipspace(char *p)
+{
+ while (*p && my_isspace(*p))
+ p++;
+
+ return p;
+}
+
+/* Strip ^ from a string, returning a new reference to the same refstring
+ if none present */
+static const char *strip_caret(const char *str)
+{
+ const char *p, *r;
+ char *q;
+ int carets = 0;
+
+ p = str;
+ for (;;) {
+ p = strchr(p, '^');
+ if (!p)
+ break;
+ carets++;
+ p++;
+ }
+
+ if (!carets)
+ return refstr_get(str);
+
+ r = q = refstr_alloc(strlen(str) - carets);
+ for (p = str; *p; p++)
+ if (*p != '^')
+ *q++ = *p;
+
+ *q = '\0'; /* refstr_alloc() already did this... */
+
+ return r;
+}
+
+/* Check to see if we are at a certain keyword (case insensitive) */
+/* Returns a pointer to the first character past the keyword */
+static char *looking_at(char *line, const char *kwd)
+{
+ char *p = line;
+ const char *q = kwd;
+
+ while (*p && *q && ((*p ^ *q) & ~0x20) == 0) {
+ p++;
+ q++;
+ }
+
+ if (*q)
+ return NULL; /* Didn't see the keyword */
+
+ return my_isspace(*p) ? p : NULL; /* Must be EOL or whitespace */
+}
+
+static struct menu *new_menu(struct menu *parent,
+ struct menu_entry *parent_entry, const char *label)
+{
+ struct menu *m = calloc(1, sizeof(struct menu));
+ int i;
+
+ m->label = label;
+ m->title = refstr_get(empty_string);
+
+ if (parent) {
+ /* Submenu */
+ m->parent = parent;
+ m->parent_entry = parent_entry;
+ parent_entry->action = MA_SUBMENU;
+ parent_entry->submenu = m;
+
+ for (i = 0; i < MSG_COUNT; i++)
+ m->messages[i] = refstr_get(parent->messages[i]);
+
+ memcpy(m->mparm, parent->mparm, sizeof m->mparm);
+
+ m->allowedit = parent->allowedit;
+ m->timeout = parent->timeout;
+ m->save = parent->save;
+ m->immediate = parent->immediate;
+
+ m->ontimeout = refstr_get(parent->ontimeout);
+ m->onerror = refstr_get(parent->onerror);
+ m->menu_master_passwd = refstr_get(parent->menu_master_passwd);
+ m->menu_background = refstr_get(parent->menu_background);
+
+ m->color_table = copy_color_table(parent->color_table);
+
+ for (i = 0; i < 12; i++) {
+ m->fkeyhelp[i].textname = refstr_get(parent->fkeyhelp[i].textname);
+ m->fkeyhelp[i].background =
+ refstr_get(parent->fkeyhelp[i].background);
+ }
+ } else {
+ /* Root menu */
+ for (i = 0; i < MSG_COUNT; i++)
+ m->messages[i] = refstrdup(messages[i].defmsg);
+ for (i = 0; i < NPARAMS; i++)
+ m->mparm[i] = mparm[i].value;
+
+ m->allowedit = true; /* Allow edits of the command line */
+ m->color_table = default_color_table();
+ }
+
+ m->next = menu_list;
+ menu_list = m;
+
+ return m;
+}
+
+struct labeldata {
+ const char *label;
+ const char *kernel;
+ enum kernel_type type;
+ const char *append;
+ const char *initrd;
+ const char *menulabel;
+ const char *passwd;
+ char *helptext;
+ unsigned int ipappend;
+ unsigned int menuhide;
+ unsigned int menudefault;
+ unsigned int menuseparator;
+ unsigned int menudisabled;
+ unsigned int menuindent;
+ enum menu_action action;
+ int save;
+ int immediate;
+ struct menu *submenu;
+};
+
+/* Menu currently being parsed */
+static struct menu *current_menu;
+
+static void clear_label_data(struct labeldata *ld)
+{
+ refstr_put(ld->label);
+ refstr_put(ld->kernel);
+ refstr_put(ld->append);
+ refstr_put(ld->initrd);
+ refstr_put(ld->menulabel);
+ refstr_put(ld->passwd);
+
+ memset(ld, 0, sizeof *ld);
+}
+
+static struct menu_entry *new_entry(struct menu *m)
+{
+ struct menu_entry *me;
+
+ if (m->nentries >= m->nentries_space) {
+ if (!m->nentries_space)
+ m->nentries_space = 1;
+ else
+ m->nentries_space <<= 1;
+
+ m->menu_entries = realloc(m->menu_entries, m->nentries_space *
+ sizeof(struct menu_entry *));
+ }
+
+ me = calloc(1, sizeof(struct menu_entry));
+ me->menu = m;
+ me->entry = m->nentries;
+ m->menu_entries[m->nentries++] = me;
+ *all_entries_end = me;
+ all_entries_end = &me->next;
+
+ return me;
+}
+
+static void consider_for_hotkey(struct menu *m, struct menu_entry *me)
+{
+ const char *p = strchr(me->displayname, '^');
+
+ if (me->action != MA_DISABLED) {
+ if (p && p[1]) {
+ unsigned char hotkey = p[1] & ~0x20;
+ if (!m->menu_hotkeys[hotkey]) {
+ me->hotkey = hotkey;
+ m->menu_hotkeys[hotkey] = me;
+ }
+ }
+ }
+}
+
+static void record(struct menu *m, struct labeldata *ld, const char *append)
+{
+ int i;
+ struct menu_entry *me;
+ const struct syslinux_ipappend_strings *ipappend;
+
+ if (!ld->label)
+ return; /* Nothing defined */
+
+ /* Hidden entries are recorded on a special "hidden menu" */
+ if (ld->menuhide)
+ m = hide_menu;
+
+ if (ld->label) {
+ char ipoptions[4096], *ipp;
+ const char *a;
+ char *s;
+
+ me = new_entry(m);
+
+ me->displayname = ld->menulabel
+ ? refstr_get(ld->menulabel) : refstr_get(ld->label);
+ me->label = refstr_get(ld->label);
+ me->passwd = refstr_get(ld->passwd);
+ me->helptext = ld->helptext;
+ me->hotkey = 0;
+ me->action = ld->action ? ld->action : MA_CMD;
+ me->save = ld->save ? (ld->save > 0) : m->save;
+ me->immediate = ld->immediate ? (ld->immediate > 0) : m->immediate;
+
+ if (ld->menuindent) {
+ const char *dn;
+
+ rsprintf(&dn, "%*s%s", ld->menuindent, "", me->displayname);
+ refstr_put(me->displayname);
+ me->displayname = dn;
+ }
+
+ if (ld->menuseparator) {
+ refstr_put(me->displayname);
+ me->displayname = refstr_get(empty_string);
+ }
+
+ if (ld->menuseparator || ld->menudisabled) {
+ me->action = MA_DISABLED;
+ refstr_put(me->label);
+ me->label = NULL;
+ refstr_put(me->passwd);
+ me->passwd = NULL;
+ }
+
+ if (ld->menulabel)
+ consider_for_hotkey(m, me);
+
+ switch (me->action) {
+ case MA_CMD:
+ ipp = ipoptions;
+ *ipp = '\0';
+
+ if (ld->initrd)
+ ipp += sprintf(ipp, " initrd=%s", ld->initrd);
+
+ if (ld->ipappend) {
+ ipappend = syslinux_ipappend_strings();
+ for (i = 0; i < ipappend->count; i++) {
+ if ((ld->ipappend & (1U << i)) && ipappend->ptr[i] &&
+ ipappend->ptr[i][0])
+ ipp += sprintf(ipp, " %s", ipappend->ptr[i]);
+ }
+ }
+
+ a = ld->append;
+ if (!a)
+ a = append;
+ if (!a || (a[0] == '-' && !a[1]))
+ a = "";
+ s = a[0] ? " " : "";
+ if (ld->type == KT_KERNEL) {
+ rsprintf(&me->cmdline, "%s%s%s%s", ld->kernel, s, a, ipoptions);
+ } else {
+ rsprintf(&me->cmdline, ".%s %s%s%s%s",
+ kernel_types[ld->type], ld->kernel, s, a, ipoptions);
+ }
+ break;
+
+ case MA_GOTO_UNRES:
+ case MA_EXIT_UNRES:
+ me->cmdline = refstr_get(ld->kernel);
+ break;
+
+ case MA_GOTO:
+ case MA_EXIT:
+ me->submenu = ld->submenu;
+ break;
+
+ case MA_HELP:
+ me->cmdline = refstr_get(ld->kernel);
+ me->background = refstr_get(ld->append);
+ break;
+
+ default:
+ break;
+ }
+
+ if (ld->menudefault && me->action == MA_CMD)
+ m->defentry = m->nentries - 1;
+ }
+
+ clear_label_data(ld);
+}
+
+static struct menu *begin_submenu(const char *tag)
+{
+ struct menu_entry *me;
+
+ if (!tag[0])
+ tag = NULL;
+
+ me = new_entry(current_menu);
+ me->displayname = refstrdup(tag);
+ return new_menu(current_menu, me, refstr_get(me->displayname));
+}
+
+static struct menu *end_submenu(void)
+{
+ return current_menu->parent ? current_menu->parent : current_menu;
+}
+
+static struct menu_entry *find_label(const char *str)
+{
+ const char *p;
+ struct menu_entry *me;
+ int pos;
+
+ p = str;
+ while (*p && !my_isspace(*p))
+ p++;
+
+ /* p now points to the first byte beyond the kernel name */
+ pos = p - str;
+
+ for (me = all_entries; me; me = me->next) {
+ if (!strncmp(str, me->label, pos) && !me->label[pos])
+ return me;
+ }
+
+ return NULL;
+}
+
+static const char *unlabel(const char *str)
+{
+ /* Convert a CLI-style command line to an executable command line */
+ const char *p;
+ const char *q;
+ struct menu_entry *me;
+ int pos;
+
+ p = str;
+ while (*p && !my_isspace(*p))
+ p++;
+
+ /* p now points to the first byte beyond the kernel name */
+ pos = p - str;
+
+ for (me = all_entries; me; me = me->next) {
+ if (!strncmp(str, me->label, pos) && !me->label[pos]) {
+ /* Found matching label */
+ rsprintf(&q, "%s%s", me->cmdline, p);
+ refstr_put(str);
+ return q;
+ }
+ }
+
+ return str;
+}
+
+static const char *refdup_word(char **p)
+{
+ char *sp = *p;
+ char *ep = sp;
+
+ while (*ep && !my_isspace(*ep))
+ ep++;
+
+ *p = ep;
+ return refstrndup(sp, ep - sp);
+}
+
+int my_isxdigit(char c)
+{
+ unsigned int uc = c;
+
+ return (uc - '0') < 10 || ((uc | 0x20) - 'a') < 6;
+}
+
+unsigned int hexval(char c)
+{
+ unsigned char uc = c | 0x20;
+ unsigned int v;
+
+ v = uc - '0';
+ if (v < 10)
+ return v;
+
+ return uc - 'a' + 10;
+}
+
+unsigned int hexval2(const char *p)
+{
+ return (hexval(p[0]) << 4) + hexval(p[1]);
+}
+
+uint32_t parse_argb(char **p)
+{
+ char *sp = *p;
+ char *ep;
+ uint32_t argb;
+ size_t len, dl;
+
+ if (*sp == '#')
+ sp++;
+
+ ep = sp;
+
+ while (my_isxdigit(*ep))
+ ep++;
+
+ *p = ep;
+ len = ep - sp;
+
+ switch (len) {
+ case 3: /* #rgb */
+ argb =
+ 0xff000000 +
+ (hexval(sp[0]) * 0x11 << 16) +
+ (hexval(sp[1]) * 0x11 << 8) + (hexval(sp[2]) * 0x11);
+ break;
+ case 4: /* #argb */
+ argb =
+ (hexval(sp[0]) * 0x11 << 24) +
+ (hexval(sp[1]) * 0x11 << 16) +
+ (hexval(sp[2]) * 0x11 << 8) + (hexval(sp[3]) * 0x11);
+ break;
+ case 6: /* #rrggbb */
+ case 9: /* #rrrgggbbb */
+ case 12: /* #rrrrggggbbbb */
+ dl = len / 3;
+ argb =
+ 0xff000000 +
+ (hexval2(sp + 0) << 16) +
+ (hexval2(sp + dl) << 8) + hexval2(sp + dl * 2);
+ break;
+ case 8: /* #aarrggbb */
+ /* #aaarrrgggbbb is indistinguishable from #rrrrggggbbbb,
+ assume the latter is a more common format */
+ case 16: /* #aaaarrrrggggbbbb */
+ dl = len / 4;
+ argb =
+ (hexval2(sp + 0) << 24) +
+ (hexval2(sp + dl) << 16) +
+ (hexval2(sp + dl * 2) << 8) + hexval2(sp + dl * 3);
+ break;
+ default:
+ argb = 0xffff0000; /* Bright red (error indication) */
+ break;
+ }
+
+ return argb;
+}
+
+/*
+ * Parser state. This is global so that including multiple
+ * files work as expected, which is that everything works the
+ * same way as if the files had been concatenated together.
+ */
+static const char *append = NULL;
+static unsigned int ipappend = 0;
+static struct labeldata ld;
+
+static int parse_one_config(const char *filename);
+
+static char *is_kernel_type(char *cmdstr, enum kernel_type *type)
+{
+ const char *const *p;
+ char *q;
+ enum kernel_type t = KT_NONE;
+
+ for (p = kernel_types; *p; p++, t++) {
+ if ((q = looking_at(cmdstr, *p))) {
+ *type = t;
+ return q;
+ }
+ }
+
+ return NULL;
+}
+
+static char *is_message_name(char *cmdstr, enum message_number *msgnr)
+{
+ char *q;
+ enum message_number i;
+
+ for (i = 0; i < MSG_COUNT; i++) {
+ if ((q = looking_at(cmdstr, messages[i].name))) {
+ *msgnr = i;
+ return q;
+ }
+ }
+
+ return NULL;
+}
+
+static char *is_fkey(char *cmdstr, int *fkeyno)
+{
+ char *q;
+ int no;
+
+ if ((cmdstr[0] | 0x20) != 'f')
+ return NULL;
+
+ no = strtoul(cmdstr + 1, &q, 10);
+ if (!my_isspace(*q))
+ return NULL;
+
+ if (no < 0 || no > 12)
+ return NULL;
+
+ *fkeyno = (no == 0) ? 10 : no - 1;
+ return q;
+}
+
+static void parse_config_file(FILE * f)
+{
+ char line[MAX_LINE], *p, *ep, ch;
+ enum kernel_type type = -1;
+ enum message_number msgnr = -1;
+ int fkeyno = 0;
+ struct menu *m = current_menu;
+
+ while (fgets(line, sizeof line, f)) {
+ p = strchr(line, '\r');
+ if (p)
+ *p = '\0';
+ p = strchr(line, '\n');
+ if (p)
+ *p = '\0';
+
+ p = skipspace(line);
+
+ if (looking_at(p, "menu")) {
+ p = skipspace(p + 4);
+
+ if (looking_at(p, "label")) {
+ if (ld.label) {
+ refstr_put(ld.menulabel);
+ ld.menulabel = refstrdup(skipspace(p + 5));
+ } else if (m->parent_entry) {
+ refstr_put(m->parent_entry->displayname);
+ m->parent_entry->displayname = refstrdup(skipspace(p + 5));
+ consider_for_hotkey(m->parent, m->parent_entry);
+ if (!m->title[0]) {
+ /* MENU LABEL -> MENU TITLE on submenu */
+ refstr_put(m->title);
+ m->title = strip_caret(m->parent_entry->displayname);
+ }
+ }
+ } else if (looking_at(p, "title")) {
+ refstr_put(m->title);
+ m->title = refstrdup(skipspace(p + 5));
+ if (m->parent_entry) {
+ /* MENU TITLE -> MENU LABEL on submenu */
+ if (m->parent_entry->displayname == m->label) {
+ refstr_put(m->parent_entry->displayname);
+ m->parent_entry->displayname = refstr_get(m->title);
+ }
+ }
+ } else if (looking_at(p, "default")) {
+ if (ld.label) {
+ ld.menudefault = 1;
+ } else if (m->parent_entry) {
+ m->parent->defentry = m->parent_entry->entry;
+ }
+ } else if (looking_at(p, "hide")) {
+ ld.menuhide = 1;
+ } else if (looking_at(p, "passwd")) {
+ if (ld.label) {
+ refstr_put(ld.passwd);
+ ld.passwd = refstrdup(skipspace(p + 6));
+ } else if (m->parent_entry) {
+ refstr_put(m->parent_entry->passwd);
+ m->parent_entry->passwd = refstrdup(skipspace(p + 6));
+ }
+ } else if (looking_at(p, "shiftkey")) {
+ shiftkey = 1;
+ } else if (looking_at(p, "save")) {
+ menusave = true;
+ if (ld.label)
+ ld.save = 1;
+ else
+ m->save = true;
+ } else if (looking_at(p, "nosave")) {
+ if (ld.label)
+ ld.save = -1;
+ else
+ m->save = false;
+ } else if (looking_at(p, "immediate")) {
+ if (ld.label)
+ ld.immediate = 1;
+ else
+ m->immediate = true;
+ } else if (looking_at(p, "noimmediate")) {
+ if (ld.label)
+ ld.immediate = -1;
+ else
+ m->immediate = false;
+ } else if (looking_at(p, "onerror")) {
+ refstr_put(m->onerror);
+ m->onerror = refstrdup(skipspace(p + 7));
+ } else if (looking_at(p, "master")) {
+ p = skipspace(p + 6);
+ if (looking_at(p, "passwd")) {
+ refstr_put(m->menu_master_passwd);
+ m->menu_master_passwd = refstrdup(skipspace(p + 6));
+ }
+ } else if ((ep = looking_at(p, "include"))) {
+ goto do_include;
+ } else if ((ep = looking_at(p, "background"))) {
+ p = skipspace(ep);
+ refstr_put(m->menu_background);
+ m->menu_background = refdup_word(&p);
+ } else if ((ep = looking_at(p, "hidden"))) {
+ hiddenmenu = 1;
+ } else if ((ep = looking_at(p, "clear"))) {
+ clearmenu = 1;
+ } else if ((ep = is_message_name(p, &msgnr))) {
+ refstr_put(m->messages[msgnr]);
+ m->messages[msgnr] = refstrdup(skipspace(ep));
+ } else if ((ep = looking_at(p, "color")) ||
+ (ep = looking_at(p, "colour"))) {
+ int i;
+ struct color_table *cptr;
+ p = skipspace(ep);
+ cptr = m->color_table;
+ for (i = 0; i < menu_color_table_size; i++) {
+ if ((ep = looking_at(p, cptr->name))) {
+ p = skipspace(ep);
+ if (*p) {
+ if (looking_at(p, "*")) {
+ p++;
+ } else {
+ refstr_put(cptr->ansi);
+ cptr->ansi = refdup_word(&p);
+ }
+
+ p = skipspace(p);
+ if (*p) {
+ if (looking_at(p, "*"))
+ p++;
+ else
+ cptr->argb_fg = parse_argb(&p);
+
+ p = skipspace(p);
+ if (*p) {
+ if (looking_at(p, "*"))
+ p++;
+ else
+ cptr->argb_bg = parse_argb(&p);
+
+ /* Parse a shadow mode */
+ p = skipspace(p);
+ ch = *p | 0x20;
+ if (ch == 'n') /* none */
+ cptr->shadow = SHADOW_NONE;
+ else if (ch == 's') /* std, standard */
+ cptr->shadow = SHADOW_NORMAL;
+ else if (ch == 'a') /* all */
+ cptr->shadow = SHADOW_ALL;
+ else if (ch == 'r') /* rev, reverse */
+ cptr->shadow = SHADOW_REVERSE;
+ }
+ }
+ }
+ break;
+ }
+ cptr++;
+ }
+ } else if ((ep = looking_at(p, "msgcolor")) ||
+ (ep = looking_at(p, "msgcolour"))) {
+ unsigned int fg_mask = MSG_COLORS_DEF_FG;
+ unsigned int bg_mask = MSG_COLORS_DEF_BG;
+ enum color_table_shadow shadow = MSG_COLORS_DEF_SHADOW;
+
+ p = skipspace(ep);
+ if (*p) {
+ if (!looking_at(p, "*"))
+ fg_mask = parse_argb(&p);
+
+ p = skipspace(p);
+ if (*p) {
+ if (!looking_at(p, "*"))
+ bg_mask = parse_argb(&p);
+
+ p = skipspace(p);
+ switch (*p | 0x20) {
+ case 'n':
+ shadow = SHADOW_NONE;
+ break;
+ case 's':
+ shadow = SHADOW_NORMAL;
+ break;
+ case 'a':
+ shadow = SHADOW_ALL;
+ break;
+ case 'r':
+ shadow = SHADOW_REVERSE;
+ break;
+ default:
+ /* go with default */
+ break;
+ }
+ }
+ }
+ set_msg_colors_global(m->color_table, fg_mask, bg_mask, shadow);
+ } else if (looking_at(p, "separator")) {
+ record(m, &ld, append);
+ ld.label = refstr_get(empty_string);
+ ld.menuseparator = 1;
+ record(m, &ld, append);
+ } else if (looking_at(p, "disable") || looking_at(p, "disabled")) {
+ ld.menudisabled = 1;
+ } else if (looking_at(p, "indent")) {
+ ld.menuindent = atoi(skipspace(p + 6));
+ } else if (looking_at(p, "begin")) {
+ record(m, &ld, append);
+ m = current_menu = begin_submenu(skipspace(p + 5));
+ } else if (looking_at(p, "end")) {
+ record(m, &ld, append);
+ m = current_menu = end_submenu();
+ } else if (looking_at(p, "quit")) {
+ if (ld.label)
+ ld.action = MA_QUIT;
+ } else if (looking_at(p, "goto")) {
+ if (ld.label) {
+ ld.action = MA_GOTO_UNRES;
+ refstr_put(ld.kernel);
+ ld.kernel = refstrdup(skipspace(p + 4));
+ }
+ } else if (looking_at(p, "exit")) {
+ p = skipspace(p + 4);
+ if (ld.label && m->parent) {
+ if (*p) {
+ /* This is really just a goto, except for the marker */
+ ld.action = MA_EXIT_UNRES;
+ refstr_put(ld.kernel);
+ ld.kernel = refstrdup(p);
+ } else {
+ ld.action = MA_EXIT;
+ ld.submenu = m->parent;
+ }
+ }
+ } else if (looking_at(p, "start")) {
+ start_menu = m;
+ } else if (looking_at(p, "help")) {
+ if (ld.label) {
+ ld.action = MA_HELP;
+ p = skipspace(p + 4);
+
+ refstr_put(ld.kernel);
+ ld.kernel = refdup_word(&p);
+
+ if (ld.append) {
+ refstr_put(ld.append);
+ ld.append = NULL;
+ }
+
+ if (*p) {
+ p = skipspace(p);
+ ld.append = refdup_word(&p); /* Background */
+ }
+ }
+ } else if ((ep = looking_at(p, "resolution"))) {
+ int x, y;
+ x = strtoul(ep, &ep, 0);
+ y = strtoul(skipspace(ep), NULL, 0);
+ set_resolution(x, y);
+ } else {
+ /* Unknown, check for layout parameters */
+ enum parameter_number mp;
+ for (mp = 0; mp < NPARAMS; mp++) {
+ if ((ep = looking_at(p, mparm[mp].name))) {
+ m->mparm[mp] = atoi(skipspace(ep));
+ break;
+ }
+ }
+ }
+ } else if (looking_at(p, "text")) {
+ enum text_cmd {
+ TEXT_UNKNOWN,
+ TEXT_HELP
+ } cmd = TEXT_UNKNOWN;
+ int len = ld.helptext ? strlen(ld.helptext) : 0;
+ int xlen;
+
+ p = skipspace(p + 4);
+
+ if (looking_at(p, "help"))
+ cmd = TEXT_HELP;
+
+ while (fgets(line, sizeof line, f)) {
+ p = skipspace(line);
+ if (looking_at(p, "endtext"))
+ break;
+
+ xlen = strlen(line);
+
+ switch (cmd) {
+ case TEXT_UNKNOWN:
+ break;
+ case TEXT_HELP:
+ ld.helptext = realloc(ld.helptext, len + xlen + 1);
+ memcpy(ld.helptext + len, line, xlen + 1);
+ len += xlen;
+ break;
+ }
+ }
+ } else if ((ep = is_fkey(p, &fkeyno))) {
+ p = skipspace(ep);
+ if (m->fkeyhelp[fkeyno].textname) {
+ refstr_put(m->fkeyhelp[fkeyno].textname);
+ m->fkeyhelp[fkeyno].textname = NULL;
+ }
+ if (m->fkeyhelp[fkeyno].background) {
+ refstr_put(m->fkeyhelp[fkeyno].background);
+ m->fkeyhelp[fkeyno].background = NULL;
+ }
+
+ refstr_put(m->fkeyhelp[fkeyno].textname);
+ m->fkeyhelp[fkeyno].textname = refdup_word(&p);
+ if (*p) {
+ p = skipspace(p);
+ m->fkeyhelp[fkeyno].background = refdup_word(&p);
+ }
+ } else if ((ep = looking_at(p, "include"))) {
+do_include:
+ {
+ const char *file;
+ p = skipspace(ep);
+ file = refdup_word(&p);
+ p = skipspace(p);
+ if (*p) {
+ record(m, &ld, append);
+ m = current_menu = begin_submenu(p);
+ parse_one_config(file);
+ record(m, &ld, append);
+ m = current_menu = end_submenu();
+ } else {
+ parse_one_config(file);
+ }
+ refstr_put(file);
+ }
+ } else if (looking_at(p, "append")) {
+ const char *a = refstrdup(skipspace(p + 6));
+ if (ld.label) {
+ refstr_put(ld.append);
+ ld.append = a;
+ } else {
+ refstr_put(append);
+ append = a;
+ }
+ } else if (looking_at(p, "initrd")) {
+ const char *a = refstrdup(skipspace(p + 6));
+ if (ld.label) {
+ refstr_put(ld.initrd);
+ ld.initrd = a;
+ } else {
+ /* Ignore */
+ }
+ } else if (looking_at(p, "label")) {
+ p = skipspace(p + 5);
+ record(m, &ld, append);
+ ld.label = refstrdup(p);
+ ld.kernel = refstrdup(p);
+ ld.type = KT_KERNEL;
+ ld.passwd = NULL;
+ ld.append = NULL;
+ ld.initrd = NULL;
+ ld.menulabel = NULL;
+ ld.helptext = NULL;
+ ld.ipappend = ipappend;
+ ld.menudefault = ld.menuhide = ld.menuseparator =
+ ld.menudisabled = ld.menuindent = 0;
+ } else if ((ep = is_kernel_type(p, &type))) {
+ if (ld.label) {
+ refstr_put(ld.kernel);
+ ld.kernel = refstrdup(skipspace(ep));
+ ld.type = type;
+ }
+ } else if (looking_at(p, "timeout")) {
+ m->timeout = (atoi(skipspace(p + 7)) * CLK_TCK + 9) / 10;
+ } else if (looking_at(p, "totaltimeout")) {
+ totaltimeout = (atoll(skipspace(p + 13)) * CLK_TCK + 9) / 10;
+ } else if (looking_at(p, "ontimeout")) {
+ m->ontimeout = refstrdup(skipspace(p + 9));
+ } else if (looking_at(p, "allowoptions")) {
+ m->allowedit = !!atoi(skipspace(p + 12));
+ } else if (looking_at(p, "ipappend")) {
+ if (ld.label)
+ ld.ipappend = atoi(skipspace(p + 8));
+ else
+ ipappend = atoi(skipspace(p + 8));
+ } else if (looking_at(p, "default")) {
+ refstr_put(globaldefault);
+ globaldefault = refstrdup(skipspace(p + 7));
+ } else if (looking_at(p, "ui")) {
+ has_ui = 1;
+ }
+ }
+}
+
+static int parse_one_config(const char *filename)
+{
+ FILE *f;
+
+ if (!strcmp(filename, "~"))
+ filename = syslinux_config_file();
+
+ dprintf("Opening config file: %s ", filename);
+
+ f = fopen(filename, "r");
+ dprintf("%s\n", f ? "ok" : "failed");
+
+ if (!f)
+ return -1;
+
+ parse_config_file(f);
+ fclose(f);
+
+ return 0;
+}
+
+static void resolve_gotos(void)
+{
+ struct menu_entry *me;
+ struct menu *m;
+
+ for (me = all_entries; me; me = me->next) {
+ if (me->action == MA_GOTO_UNRES || me->action == MA_EXIT_UNRES) {
+ m = find_menu(me->cmdline);
+ refstr_put(me->cmdline);
+ me->cmdline = NULL;
+ if (m) {
+ me->submenu = m;
+ me->action--; /* Drop the _UNRES */
+ } else {
+ me->action = MA_DISABLED;
+ }
+ }
+ }
+}
+
+void parse_configs(char **argv)
+{
+ const char *filename;
+ struct menu *m;
+ struct menu_entry *me;
+
+ empty_string = refstrdup("");
+
+ /* Initialize defaults for the root and hidden menus */
+ hide_menu = new_menu(NULL, NULL, refstrdup(".hidden"));
+ root_menu = new_menu(NULL, NULL, refstrdup(".top"));
+ start_menu = root_menu;
+
+ /* Other initialization */
+ memset(&ld, 0, sizeof(struct labeldata));
+
+ /* Actually process the files */
+ current_menu = root_menu;
+ if (!*argv) {
+ parse_one_config("~");
+ } else {
+ while ((filename = *argv++))
+ parse_one_config(filename);
+ }
+
+ /* On final EOF process the last label statement */
+ record(current_menu, &ld, append);
+
+ /* Common postprocessing */
+ resolve_gotos();
+
+ /* Handle global default */
+ if (has_ui && globaldefault) {
+ me = find_label(globaldefault);
+ if (me && me->menu != hide_menu) {
+ me->menu->defentry = me->entry;
+ start_menu = me->menu;
+ }
+ }
+
+ /* If "menu save" is active, let the ADV override the global default */
+ if (menusave) {
+ size_t len;
+ const char *lbl = syslinux_getadv(ADV_MENUSAVE, &len);
+ char *lstr;
+ if (lbl && len) {
+ lstr = refstr_alloc(len);
+ memcpy(lstr, lbl, len); /* refstr_alloc() adds the final null */
+ me = find_label(lstr);
+ if (me && me->menu != hide_menu) {
+ me->menu->defentry = me->entry;
+ start_menu = me->menu;
+ }
+ refstr_put(lstr);
+ }
+ }
+
+ /* Final per-menu initialization, with all labels known */
+ for (m = menu_list; m; m = m->next) {
+ m->curentry = m->defentry; /* All menus start at their defaults */
+
+ if (m->ontimeout)
+ m->ontimeout = unlabel(m->ontimeout);
+ if (m->onerror)
+ m->onerror = unlabel(m->onerror);
+ }
+}
diff --git a/contrib/syslinux-4.02/com32/menu/refstr.c b/contrib/syslinux-4.02/com32/menu/refstr.c
new file mode 100644
index 0000000..97ab1ed
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/refstr.c
@@ -0,0 +1,105 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * refstr.c
+ *
+ * Simple reference-counted strings
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "refstr.h"
+
+/* Allocate space for a refstring of len bytes, plus final null */
+/* The final null is inserted in the string; the rest is uninitialized. */
+char *refstr_alloc(size_t len)
+{
+ char *r = malloc(sizeof(unsigned int) + len + 1);
+ if (!r)
+ return NULL;
+ *(unsigned int *)r = 1;
+ r += sizeof(unsigned int);
+ r[len] = '\0';
+ return r;
+}
+
+const char *refstrndup(const char *str, size_t len)
+{
+ char *r;
+
+ if (!str)
+ return NULL;
+
+ len = strnlen(str, len);
+ r = refstr_alloc(len);
+ if (r)
+ memcpy(r, str, len);
+ return r;
+}
+
+const char *refstrdup(const char *str)
+{
+ char *r;
+ size_t len;
+
+ if (!str)
+ return NULL;
+
+ len = strlen(str);
+ r = refstr_alloc(len);
+ if (r)
+ memcpy(r, str, len);
+ return r;
+}
+
+int vrsprintf(const char **bufp, const char *fmt, va_list ap)
+{
+ va_list ap1;
+ int len;
+ char *p;
+
+ va_copy(ap1, ap);
+ len = vsnprintf(NULL, 0, fmt, ap1);
+ va_end(ap1);
+
+ *bufp = p = refstr_alloc(len);
+ if (!p)
+ return -1;
+
+ return vsnprintf(p, len + 1, fmt, ap);
+}
+
+int rsprintf(const char **bufp, const char *fmt, ...)
+{
+ int rv;
+ va_list ap;
+
+ va_start(ap, fmt);
+ rv = vrsprintf(bufp, fmt, ap);
+ va_end(ap);
+
+ return rv;
+}
+
+void refstr_put(const char *r)
+{
+ unsigned int *ref;
+
+ if (r) {
+ ref = (unsigned int *)r - 1;
+
+ if (!--*ref)
+ free(ref);
+ }
+}
diff --git a/contrib/syslinux-4.02/com32/menu/refstr.h b/contrib/syslinux-4.02/com32/menu/refstr.h
new file mode 100644
index 0000000..7001d40
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/refstr.h
@@ -0,0 +1,40 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2008 H. Peter Anvin - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * refstr.h
+ *
+ * Simple reference-counted strings
+ */
+
+#ifndef REFSTR_H
+#define REFSTR_H
+
+#include <stddef.h>
+#include <stdarg.h>
+
+static inline __attribute__ ((always_inline))
+const char *refstr_get(const char *r)
+{
+ if (r)
+ ((unsigned int *)r)[-1]++;
+ return r;
+}
+
+void refstr_put(const char *);
+char *refstr_alloc(size_t);
+const char *refstrdup(const char *);
+const char *refstrndup(const char *, size_t);
+int rsprintf(const char **, const char *, ...);
+int vrsprintf(const char **, const char *, va_list);
+
+#endif
diff --git a/contrib/syslinux-4.02/com32/menu/vesamenu.c b/contrib/syslinux-4.02/com32/menu/vesamenu.c
new file mode 100644
index 0000000..62e29bd
--- /dev/null
+++ b/contrib/syslinux-4.02/com32/menu/vesamenu.c
@@ -0,0 +1,52 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
+ * Copyright 2009 Intel Corporation; author: H. Peter Anvin
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston MA 02110-1301, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * vesamenu.c
+ *
+ * Simple menu system which displays a list and allows the user to select
+ * a command line and/or edit it.
+ *
+ * VESA graphics version.
+ */
+
+#include <stdio.h>
+#include <console.h>
+#include <syslinux/vesacon.h>
+
+#include "menu.h"
+
+int draw_background(const char *what)
+{
+ if (!what)
+ return vesacon_default_background();
+ else if (what[0] == '#')
+ return vesacon_set_background(parse_argb((char **)&what));
+ else
+ return vesacon_load_background(what);
+}
+
+void set_resolution(int x, int y)
+{
+ vesacon_set_resolution(x, y);
+}
+
+void local_cursor_enable(bool enabled)
+{
+ vesacon_cursor_enable(enabled);
+}
+
+void start_console(void)
+{
+ openconsole(&dev_rawcon_r, &dev_vesaserial_w);
+}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-06 13:48:59 +0200