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author | Denys Vlasenko | 2017-08-06 19:05:45 +0200 |
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committer | Denys Vlasenko | 2017-08-06 19:05:45 +0200 |
commit | 1b280e46520420dad1ed1e985d11b7b2bea493e4 (patch) | |
tree | 7214d60134270a4dc24287ce7b3c616fb3a9e8e6 /console-tools | |
parent | 5cb907fffc25ce26d7388b485e64261f7ee42450 (diff) | |
download | busybox-1b280e46520420dad1ed1e985d11b7b2bea493e4.zip busybox-1b280e46520420dad1ed1e985d11b7b2bea493e4.tar.gz |
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.c | 54 |
1 files changed, 25 insertions, 29 deletions
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c index 6dc8fa8..623d981 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); |