summaryrefslogtreecommitdiff
path: root/package/busybox/busybox-1.12.1-standalone.patch
blob: f1827c74e18469a258da7dd95f1d7f9f2bee8e31 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
diff -urpN busybox-1.12.1/coreutils/env.c busybox-1.12.1-standalone/coreutils/env.c
--- busybox-1.12.1/coreutils/env.c	2008-09-28 20:04:18.000000000 +0200
+++ busybox-1.12.1-standalone/coreutils/env.c	2008-10-20 10:21:54.000000000 +0200
@@ -29,6 +29,8 @@
  * - use xfunc_error_retval
  */
 
+/* This is a NOEXEC applet. Be very careful! */
+
 #include "libbb.h"
 
 #if ENABLE_FEATURE_ENV_LONG_OPTIONS
@@ -119,5 +121,3 @@ int env_main(int argc UNUSED_PARAM, char
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-
-
diff -urpN busybox-1.12.1/include/applets.h busybox-1.12.1-standalone/include/applets.h
--- busybox-1.12.1/include/applets.h	2008-09-28 20:04:26.000000000 +0200
+++ busybox-1.12.1-standalone/include/applets.h	2008-10-20 10:21:54.000000000 +0200
@@ -136,7 +136,7 @@ USE_ECHO(APPLET_NOFORK(echo, echo, _BB_D
 USE_ED(APPLET(ed, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_FEATURE_GREP_EGREP_ALIAS(APPLET_ODDNAME(egrep, grep, _BB_DIR_BIN, _BB_SUID_NEVER, egrep))
 USE_EJECT(APPLET(eject, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
-USE_ENV(APPLET(env, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_ENV(APPLET_NOEXEC(env, env, _BB_DIR_USR_BIN, _BB_SUID_NEVER, env))
 USE_ENVDIR(APPLET_ODDNAME(envdir, chpst, _BB_DIR_USR_BIN, _BB_SUID_NEVER, envdir))
 USE_ENVUIDGID(APPLET_ODDNAME(envuidgid, chpst, _BB_DIR_USR_BIN, _BB_SUID_NEVER, envuidgid))
 USE_ETHER_WAKE(APPLET_ODDNAME(ether-wake, ether_wake, _BB_DIR_USR_BIN, _BB_SUID_NEVER, ether_wake))
@@ -171,7 +171,7 @@ USE_GREP(APPLET(grep, _BB_DIR_BIN, _BB_S
 USE_GUNZIP(APPLET(gunzip, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_GZIP(APPLET(gzip, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_HALT(APPLET(halt, _BB_DIR_SBIN, _BB_SUID_NEVER))
-USE_HD(APPLET_ODDNAME(hd, hexdump, _BB_DIR_USR_BIN, _BB_SUID_NEVER, hd))
+USE_HD(APPLET_NOEXEC(hd, hexdump, _BB_DIR_USR_BIN, _BB_SUID_NEVER, hd))
 USE_HDPARM(APPLET(hdparm, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_HEAD(APPLET(head, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_HEXDUMP(APPLET_NOEXEC(hexdump, hexdump, _BB_DIR_USR_BIN, _BB_SUID_NEVER, hexdump))
diff -urpN busybox-1.12.1/libbb/getopt32.c busybox-1.12.1-standalone/libbb/getopt32.c
--- busybox-1.12.1/libbb/getopt32.c	2008-09-28 20:04:20.000000000 +0200
+++ busybox-1.12.1-standalone/libbb/getopt32.c	2008-10-20 10:21:34.000000000 +0200
@@ -515,28 +515,6 @@ getopt32(char **argv, const char *applet
 		}
 	}
 
-	/* In case getopt32 was already called:
-	 * reset the libc getopt() function, which keeps internal state.
-	 *
-	 * BSD-derived getopt() functions require that optind be set to 1 in
-	 * order to reset getopt() state.  This used to be generally accepted
-	 * way of resetting getopt().  However, glibc's getopt()
-	 * has additional getopt() state beyond optind, and requires that
-	 * optind be set to zero to reset its state.  So the unfortunate state of
-	 * affairs is that BSD-derived versions of getopt() misbehave if
-	 * optind is set to 0 in order to reset getopt(), and glibc's getopt()
-	 * will core dump if optind is set 1 in order to reset getopt().
-	 *
-	 * More modern versions of BSD require that optreset be set to 1 in
-	 * order to reset getopt().   Sigh.  Standards, anyone?
-	 */
-#ifdef __GLIBC__
-	optind = 0;
-#else /* BSD style */
-	optind = 1;
-	/* optreset = 1; */
-#endif
-	/* optarg = NULL; opterr = 0; optopt = 0; - do we need this?? */
 	pargv = NULL;
 
 	/* Note: just "getopt() <= 0" will not work well for
diff -urpN busybox-1.12.1/libbb/vfork_daemon_rexec.c busybox-1.12.1-standalone/libbb/vfork_daemon_rexec.c
--- busybox-1.12.1/libbb/vfork_daemon_rexec.c	2008-09-28 20:04:20.000000000 +0200
+++ busybox-1.12.1-standalone/libbb/vfork_daemon_rexec.c	2008-10-20 10:21:34.000000000 +0200
@@ -125,6 +125,7 @@ int FAST_FUNC run_nofork_applet_prime(st
 	int rc, argc;
 
 	applet_name = APPLET_NAME(applet_no);
+
 	xfunc_error_retval = EXIT_FAILURE;
 
 	/* Special flag for xfunc_die(). If xfunc will "die"
@@ -132,7 +133,30 @@ int FAST_FUNC run_nofork_applet_prime(st
 	 * die_sleep and longjmp here instead. */
 	die_sleep = -1;
 
-	/* option_mask32 = 0; - not needed */
+	/* In case getopt() or getopt32() was already called:
+	 * reset the libc getopt() function, which keeps internal state.
+	 *
+	 * BSD-derived getopt() functions require that optind be set to 1 in
+	 * order to reset getopt() state.  This used to be generally accepted
+	 * way of resetting getopt().  However, glibc's getopt()
+	 * has additional getopt() state beyond optind, and requires that
+	 * optind be set to zero to reset its state.  So the unfortunate state of
+	 * affairs is that BSD-derived versions of getopt() misbehave if
+	 * optind is set to 0 in order to reset getopt(), and glibc's getopt()
+	 * will core dump if optind is set 1 in order to reset getopt().
+	 *
+	 * More modern versions of BSD require that optreset be set to 1 in
+	 * order to reset getopt().  Sigh.  Standards, anyone?
+	 */
+#ifdef __GLIBC__
+	optind = 0;
+#else /* BSD style */
+	optind = 1;
+	/* optreset = 1; */
+#endif
+	/* optarg = NULL; opterr = 1; optopt = 63; - do we need this too? */
+	/* (values above are what they initialized to in glibc and uclibc) */
+	/* option_mask32 = 0; - not needed, no applet depends on it being 0 */
 
 	argc = 1;
 	while (argv[argc])
@@ -161,8 +185,16 @@ int FAST_FUNC run_nofork_applet_prime(st
 			rc = 0;
 	}
 
-	/* Restoring globals */
+	/* Restoring some globals */
 	restore_nofork_data(old);
+
+	/* Other globals can be simply reset to defaults */
+#ifdef __GLIBC__
+	optind = 0;
+#else /* BSD style */
+	optind = 1;
+#endif
+
 	return rc & 0xff; /* don't confuse people with "exitcodes" >255 */
 }
 
diff -urpN busybox-1.12.1/shell/ash.c busybox-1.12.1-standalone/shell/ash.c
--- busybox-1.12.1/shell/ash.c	2008-09-28 20:04:18.000000000 +0200
+++ busybox-1.12.1-standalone/shell/ash.c	2008-10-20 10:21:54.000000000 +0200
@@ -6964,8 +6964,11 @@ tryexec(USE_FEATURE_SH_STANDALONE(int ap
 
 #if ENABLE_FEATURE_SH_STANDALONE
 	if (applet_no >= 0) {
-		if (APPLET_IS_NOEXEC(applet_no))
+		if (APPLET_IS_NOEXEC(applet_no)) {
+			while (*envp)
+				putenv(*envp++);
 			run_applet_no_and_exit(applet_no, argv);
+		}
 		/* re-exec ourselves with the new arguments */
 		execve(bb_busybox_exec_path, argv, envp);
 		/* If they called chroot or otherwise made the binary no longer
@@ -12014,7 +12017,7 @@ exportcmd(int argc UNUSED_PARAM, char **
 	char *name;
 	const char *p;
 	char **aptr;
-	int flag = argv[0][0] == 'r'? VREADONLY : VEXPORT;
+	int flag = argv[0][0] == 'r' ? VREADONLY : VEXPORT;
 
 	if (nextopt("p") != 'p') {
 		aptr = argptr;
diff -urpN busybox-1.12.1/util-linux/getopt.c busybox-1.12.1-standalone/util-linux/getopt.c
--- busybox-1.12.1/util-linux/getopt.c	2008-09-28 20:04:30.000000000 +0200
+++ busybox-1.12.1-standalone/util-linux/getopt.c	2008-10-20 10:21:34.000000000 +0200
@@ -142,7 +142,8 @@ static const char *normalize(const char 
  * Other settings are found in global variables.
  */
 #if !ENABLE_GETOPT_LONG
-#define generate_output(argv,argc,optstr,longopts) generate_output(argv,argc,optstr)
+#define generate_output(argv,argc,optstr,longopts) \
+	generate_output(argv,argc,optstr)
 #endif
 static int generate_output(char **argv, int argc, const char *optstr, const struct option *longopts)
 {
@@ -156,14 +157,6 @@ static int generate_output(char **argv, 
 	if (quiet_errors) /* No error reporting from getopt(3) */
 		opterr = 0;
 
-	/* Reset getopt(3) (see libbb/getopt32.c for long rant) */
-#ifdef __GLIBC__
-	optind = 0;
-#else /* BSD style */
-	optind = 1;
-	/* optreset = 1; */
-#endif
-
 	while (1) {
 		opt =
 #if ENABLE_GETOPT_LONG