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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2017-08-06 19:05:45 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2017-08-06 19:05:45 +0200
commit1b280e46520420dad1ed1e985d11b7b2bea493e4 (patch)
tree7214d60134270a4dc24287ce7b3c616fb3a9e8e6 /console-tools
parent5cb907fffc25ce26d7388b485e64261f7ee42450 (diff)
downloadbusybox-1b280e46520420dad1ed1e985d11b7b2bea493e4.tar.gz
busybox-1b280e46520420dad1ed1e985d11b7b2bea493e4.tar.bz2
loadfont,setfont: make them NOEXEC
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'console-tools')
-rw-r--r--console-tools/loadfont.c54
1 files changed, 25 insertions, 29 deletions
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c
index 6dc8fa831..623d98175 100644
--- a/console-tools/loadfont.c
+++ b/console-tools/loadfont.c
@@ -51,31 +51,12 @@
//config: default y
//config: depends on LOADFONT || SETFONT
-//applet:IF_LOADFONT(APPLET(loadfont, BB_DIR_USR_SBIN, BB_SUID_DROP))
-//applet:IF_SETFONT(APPLET(setfont, BB_DIR_USR_SBIN, BB_SUID_DROP))
+//applet:IF_LOADFONT(APPLET_NOEXEC(loadfont, loadfont, BB_DIR_USR_SBIN, BB_SUID_DROP, loadfont))
+//applet:IF_SETFONT(APPLET_NOEXEC(setfont, setfont, BB_DIR_USR_SBIN, BB_SUID_DROP, setfont))
//kbuild:lib-$(CONFIG_LOADFONT) += loadfont.o
//kbuild:lib-$(CONFIG_SETFONT) += loadfont.o
-//usage:#define loadfont_trivial_usage
-//usage: "< font"
-//usage:#define loadfont_full_usage "\n\n"
-//usage: "Load a console font from stdin"
-/* //usage: "\n -C TTY Affect TTY instead of /dev/tty" */
-//usage:
-//usage:#define loadfont_example_usage
-//usage: "$ loadfont < /etc/i18n/fontname\n"
-//usage:
-//usage:#define setfont_trivial_usage
-//usage: "FONT [-m MAPFILE] [-C TTY]"
-//usage:#define setfont_full_usage "\n\n"
-//usage: "Load a console font\n"
-//usage: "\n -m MAPFILE Load console screen map"
-//usage: "\n -C TTY Affect TTY instead of /dev/tty"
-//usage:
-//usage:#define setfont_example_usage
-//usage: "$ setfont -m koi8-r /etc/i18n/fontname\n"
-
#include "libbb.h"
#include <sys/kd.h>
@@ -352,6 +333,14 @@ static void do_load(int fd, unsigned char *buffer, size_t len)
#if ENABLE_LOADFONT
+//usage:#define loadfont_trivial_usage
+//usage: "< font"
+//usage:#define loadfont_full_usage "\n\n"
+//usage: "Load a console font from stdin"
+/* //usage: "\n -C TTY Affect TTY instead of /dev/tty" */
+//usage:
+//usage:#define loadfont_example_usage
+//usage: "$ loadfont < /etc/i18n/fontname\n"
int loadfont_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int loadfont_main(int argc UNUSED_PARAM, char **argv)
{
@@ -380,11 +369,9 @@ int loadfont_main(int argc UNUSED_PARAM, char **argv)
}
#endif
-#if ENABLE_SETFONT
-
-/*
-kbd-1.12:
+#if ENABLE_SETFONT
+/* kbd-1.12:
setfont [-O font+umap.orig] [-o font.orig] [-om cmap.orig]
[-ou umap.orig] [-N] [font.new ...] [-m cmap] [-u umap] [-C console]
[-hNN] [-v] [-V]
@@ -414,8 +401,17 @@ setfont [-O font+umap.orig] [-o font.orig] [-om cmap.orig]
-v Verbose
-V Version
*/
+//usage:#define setfont_trivial_usage
+//usage: "FONT [-m MAPFILE] [-C TTY]"
+//usage:#define setfont_full_usage "\n\n"
+//usage: "Load a console font\n"
+//usage: "\n -m MAPFILE Load console screen map"
+//usage: "\n -C TTY Affect TTY instead of /dev/tty"
+//usage:
+//usage:#define setfont_example_usage
+//usage: "$ setfont -m koi8-r /etc/i18n/fontname\n"
-#if ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
+# if ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
static int ctoi(char *s)
{
if (s[0] == '\'' && s[1] != '\0' && s[2] == '\'' && s[3] == '\0')
@@ -429,7 +425,7 @@ static int ctoi(char *s)
return -1;
return xstrtoul(s, 0);
}
-#endif
+# endif
int setfont_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int setfont_main(int argc UNUSED_PARAM, char **argv)
@@ -480,7 +476,7 @@ int setfont_main(int argc UNUSED_PARAM, char **argv)
if (len == 2*E_TABSZ)
mode = PIO_UNISCRNMAP;
}
-#if ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
+# if ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
// assume textual Unicode console maps:
// 0x00 U+0000 # NULL (NUL)
// 0x01 U+0001 # START OF HEADING (SOH)
@@ -527,7 +523,7 @@ int setfont_main(int argc UNUSED_PARAM, char **argv)
}
#undef unicodes
}
-#endif // ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
+# endif // ENABLE_FEATURE_SETFONT_TEXTUAL_MAP
// do set screen map
xioctl(fd, mode, map);