apply all post-1.7.1 patches, set version to 1.7.21_7_2

10 files changed, 136 insertions, 79 deletions

diff --git a/Makefile b/Makefile
index 5ac88313c..9b9c9c464 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 1
 PATCHLEVEL = 7
-SUBLEVEL = 1
+SUBLEVEL = 2
 EXTRAVERSION =
 NAME = Unnamed
 
diff --git a/coreutils/install.c b/coreutils/install.c
index cf62a0022..516208474 100644
--- a/coreutils/install.c
+++ b/coreutils/install.c
@@ -1,6 +1,6 @@
 /* vi: set sw=4 ts=4: */
 /*
- * Copyright (C) 2003 by Glenn McGrath <bug1@iinet.net.au>
+ * Copyright (C) 2003 by Glenn McGrath
  * SELinux support: by Yuichi Nakamura <ynakam@hitachisoft.jp>
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
@@ -23,6 +23,8 @@ static const char install_longopts[] ALIGN1 =
 	"group\0"               No_argument       "g"
 	"mode\0"                No_argument       "m"
 	"owner\0"               No_argument       "o"
+/* autofs build insists of using -b --suffix=.orig */
+/* TODO? (short option for --suffix is -S) */
 #if ENABLE_SELINUX
 	"context\0"             Required_argument "Z"
 	"preserve_context\0"    No_argument       "\xff"
@@ -33,8 +35,6 @@ static const char install_longopts[] ALIGN1 =
 
 
 #if ENABLE_SELINUX
-static bool use_default_selinux_context = 1;
-
 static void setdefaultfilecon(const char *path)
 {
 	struct stat s;
@@ -73,25 +73,31 @@ int install_main(int argc, char **argv)
 	mode_t mode;
 	uid_t uid;
 	gid_t gid;
+	char *arg, *last;
 	const char *gid_str;
 	const char *uid_str;
 	const char *mode_str;
 	int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
-	int ret = EXIT_SUCCESS, flags, i, isdir;
+	int flags;
+	int ret = EXIT_SUCCESS;
+	int isdir;
 #if ENABLE_SELINUX
 	security_context_t scontext;
+	bool use_default_selinux_context = 1;
 #endif
 	enum {
-		OPT_CMD           =  0x1,
-		OPT_DIRECTORY     =  0x2,
-		OPT_PRESERVE_TIME =  0x4,
-		OPT_STRIP         =  0x8,
-		OPT_GROUP         = 0x10,
-		OPT_MODE          = 0x20,
-		OPT_OWNER         = 0x40,
+		OPT_c             = 1 << 0,
+		OPT_v             = 1 << 1,
+		OPT_b             = 1 << 2,
+		OPT_DIRECTORY     = 1 << 3,
+		OPT_PRESERVE_TIME = 1 << 4,
+		OPT_STRIP         = 1 << 5,
+		OPT_GROUP         = 1 << 6,
+		OPT_MODE          = 1 << 7,
+		OPT_OWNER         = 1 << 8,
 #if ENABLE_SELINUX
-		OPT_SET_SECURITY_CONTEXT = 0x80,
-		OPT_PRESERVE_SECURITY_CONTEXT = 0x100,
+		OPT_SET_SECURITY_CONTEXT = 1 << 9,
+		OPT_PRESERVE_SECURITY_CONTEXT = 1 << 10,
 #endif
 	};
 
@@ -100,21 +106,24 @@ int install_main(int argc, char **argv)
 #endif
 	opt_complementary = "s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z");
 	/* -c exists for backwards compatibility, it's needed */
-
-	flags = getopt32(argv, "cdpsg:m:o:" USE_SELINUX("Z:"),
+	/* -v is ignored ("print name of each created directory") */
+	/* -b is ignored ("make a backup of each existing destination file") */
+	flags = getopt32(argv, "cvb" "dpsg:m:o:" USE_SELINUX("Z:"),
 			&gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext));
+	argc -= optind;
+	argv += optind;
 
 #if ENABLE_SELINUX
-	if (flags & OPT_PRESERVE_SECURITY_CONTEXT) {
-		use_default_selinux_context = 0;
-		copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
-		selinux_or_die();
-	}
-	if (flags & OPT_SET_SECURITY_CONTEXT) {
+	if (flags & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) {
 		selinux_or_die();
-		setfscreatecon_or_die(scontext);
 		use_default_selinux_context = 0;
-		copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
+		if (flags & OPT_PRESERVE_SECURITY_CONTEXT) {
+			copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
+		}
+		if (flags & OPT_SET_SECURITY_CONTEXT) {
+			setfscreatecon_or_die(scontext);
+			copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
+		}
 	}
 #endif
 
@@ -123,58 +132,63 @@ int install_main(int argc, char **argv)
 		copy_flags |= FILEUTILS_PRESERVE_STATUS;
 	}
 	mode = 0666;
-	if (flags & OPT_MODE) bb_parse_mode(mode_str, &mode);
+	if (flags & OPT_MODE)
+		bb_parse_mode(mode_str, &mode);
 	uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
 	gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
-	if (flags & (OPT_OWNER|OPT_GROUP)) umask(0);
+	if (flags & (OPT_OWNER|OPT_GROUP))
+		umask(0);
 
 	/* Create directories
 	 * don't use bb_make_directory() as it can't change uid or gid
 	 * perhaps bb_make_directory() should be improved.
 	 */
 	if (flags & OPT_DIRECTORY) {
-		for (argv += optind; *argv; argv++) {
-			char *old_argv_ptr = *argv + 1;
-			char *argv_ptr;
-			do {
-				argv_ptr = strchr(old_argv_ptr, '/');
-				old_argv_ptr = argv_ptr;
-				if (argv_ptr) {
-					*argv_ptr = '\0';
-					old_argv_ptr++;
-				}
-				if (mkdir(*argv, mode | 0111) == -1) {
+		while ((arg = *argv++) != NULL) {
+			char *slash = arg;
+			while (1) {
+				slash = strchr(slash + 1, '/');
+				if (slash)
+					*slash = '\0';
+				if (mkdir(arg, mode | 0111) == -1) {
 					if (errno != EEXIST) {
-						bb_perror_msg("cannot create %s", *argv);
+						bb_perror_msg("cannot create %s", arg);
 						ret = EXIT_FAILURE;
 						break;
 					}
-				}
-				if ((flags & (OPT_OWNER|OPT_GROUP))
-				 && lchown(*argv, uid, gid) == -1
+				} /* dir was created, chown? */
+				else if ((flags & (OPT_OWNER|OPT_GROUP))
+				 && lchown(arg, uid, gid) == -1
 				) {
-					bb_perror_msg("cannot change ownership of %s", *argv);
+					bb_perror_msg("cannot change ownership of %s", arg);
 					ret = EXIT_FAILURE;
 					break;
 				}
-				if (argv_ptr) {
-					*argv_ptr = '/';
-				}
-			} while (old_argv_ptr);
+				if (!slash)
+					break;
+				*slash = '/';
+			}
 		}
 		return ret;
 	}
 
-	/* coreutils install resolves link in this case, don't use lstat */
-	isdir = stat(argv[argc - 1], &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
+	if (argc < 2)
+		bb_show_usage();
 
-	for (i = optind; i < argc - 1; i++) {
-		char *dest;
+	last = argv[argc - 1];
+	argv[argc - 1] = NULL;
+	/* coreutils install resolves link in this case, don't use lstat */
+	isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
 
-		dest = argv[argc - 1];
+	while ((arg = *argv++) != NULL) {
+		char *dest = last;
 		if (isdir)
-			dest = concat_path_file(argv[argc - 1], basename(argv[i]));
-		ret |= copy_file(argv[i], dest, copy_flags);
+			dest = concat_path_file(last, basename(arg));
+		if (copy_file(arg, dest, copy_flags)) {
+			/* copy is not made */
+			ret = EXIT_FAILURE;
+			goto next;
+		}
 
 		/* Set the file mode */
 		if ((flags & OPT_MODE) && chmod(dest, mode) == -1) {
@@ -202,7 +216,9 @@ int install_main(int argc, char **argv)
 				ret = EXIT_FAILURE;
 			}
 		}
-		if (ENABLE_FEATURE_CLEAN_UP && isdir) free(dest);
+ next:
+		if (ENABLE_FEATURE_CLEAN_UP && isdir)
+			free(dest);
 	}
 
 	return ret;
diff --git a/findutils/find.c b/findutils/find.c
index 21584681b..f3167a083 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -383,9 +383,11 @@ static int fileAction(const char *fileName, struct stat *statbuf, void *userData
 #if ENABLE_FEATURE_FIND_XDEV
 	if (S_ISDIR(statbuf->st_mode) && xdev_count) {
 		for (i = 0; i < xdev_count; i++) {
-			if (xdev_dev[i] != statbuf->st_dev)
-				return SKIP;
+			if (xdev_dev[i] == statbuf->st_dev)
+				break;
 		}
+		if (i == xdev_count)
+			return SKIP;
 	}
 #endif
 	i = exec_actions(actions, fileName, statbuf);
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 62f8949d6..f2972e422 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -81,8 +81,9 @@ static int num_ok_lines = 1;
 #endif
 
 #if ENABLE_FEATURE_GETUSERNAME_AND_HOMEDIR
-static char *user_buf = (char*)"";
-static char *home_pwd_buf = (char*)"";
+static const char null_str[] = "";
+static char *user_buf;
+static char *home_pwd_buf = (char*)null_str;
 #endif
 
 /* Put 'command_ps[cursor]', cursor++.
@@ -311,7 +312,7 @@ static void username_tab_completion(char *ud, char *with_shash_flg)
 
 	if (with_shash_flg) {           /* "~/..." or "~user/..." */
 		char *sav_ud = ud - 1;
-		char *home = 0;
+		char *home = NULL;
 		char *temp;
 
 		if (*ud == '/') {       /* "~/..."     */
@@ -1119,7 +1120,7 @@ static void parse_prompt(const char *prmt_ptr)
 				switch (c) {
 #if ENABLE_FEATURE_GETUSERNAME_AND_HOMEDIR
 				case 'u':
-					pbuf = user_buf;
+					pbuf = user_buf ? user_buf : (char*)"";
 					break;
 #endif
 				case 'h':
@@ -1143,7 +1144,7 @@ static void parse_prompt(const char *prmt_ptr)
 				case 'w':
 					pbuf = pwd_buf;
 					l = strlen(home_pwd_buf);
-					if (home_pwd_buf[0] != 0
+					if (l != 0
 					 && strncmp(home_pwd_buf, pbuf, l) == 0
 					 && (pbuf[l]=='/' || pbuf[l]=='\0')
 					 && strlen(pwd_buf+l)<PATH_MAX
@@ -1253,6 +1254,11 @@ static void win_changed(int nsig)
 #undef CTRL
 #define CTRL(a) ((a) & ~0x40)
 
+/* Returns:
+ * -1 on read errors or EOF, or on bare Ctrl-D.
+ * 0  on ctrl-C,
+ * >0 length of input string, including terminating '\n'
+ */
 int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *st)
 {
 	int lastWasTab = FALSE;
@@ -1305,8 +1311,14 @@ int read_line_input(const char* prompt, char* command, int maxsize, line_input_t
 
 		entry = getpwuid(geteuid());
 		if (entry) {
+			/* If we enter read_line_input for the Nth time,
+			 * they may be already allocated! Need to free. */
+			free(user_buf);
+			if (home_pwd_buf != null_str)
+				free(home_pwd_buf);
 			user_buf = xstrdup(entry->pw_name);
 			home_pwd_buf = xstrdup(entry->pw_dir);
+			/* They are not freed on exit (too small to bother) */
 		}
 	}
 #endif
diff --git a/loginutils/login.c b/loginutils/login.c
index 3b4cf2af8..7f8907543 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -307,18 +307,26 @@ int login_main(int argc, char **argv)
 			goto pam_auth_failed;
 		}
 		pamret = pam_authenticate(pamh, 0);
-		if (pamret == PAM_SUCCESS) {
-			char *pamuser;
-			/* check that the account is healthy. */
-			pamret = pam_acct_mgmt(pamh, 0);
-			if (pamret != PAM_SUCCESS) {
-				failed_msg = "account setup";
-				goto pam_auth_failed;
-			}
-			/* read user back */
+		if (pamret != PAM_SUCCESS) {
+			failed_msg = "pam_authenticate";
+			goto pam_auth_failed;
+			/* TODO: or just "goto auth_failed"
+			 * since user seems to enter wrong password
+			 * (in this case pamret == 7)
+			 */
+		}
+		/* check that the account is healthy */
+		pamret = pam_acct_mgmt(pamh, 0);
+		if (pamret != PAM_SUCCESS) {
+			failed_msg = "account setup";
+			goto pam_auth_failed;
+		}
+		/* read user back */
+		{
+			const char *pamuser;
 			/* gcc: "dereferencing type-punned pointer breaks aliasing rules..."
-			 * thus we use double cast */
-			if (pam_get_item(pamh, PAM_USER, (const void **)(void*)&pamuser) != PAM_SUCCESS) {
+			 * thus we cast to (void*) */
+			if (pam_get_item(pamh, PAM_USER, (void*)&pamuser) != PAM_SUCCESS) {
 				failed_msg = "pam_get_item(USER)";
 				goto pam_auth_failed;
 			}
@@ -331,7 +339,7 @@ int login_main(int argc, char **argv)
 			break;
 		goto auth_failed;
  pam_auth_failed:
-		bb_error_msg("%s failed: %s", failed_msg, pam_strerror(pamh, pamret));
+		bb_error_msg("%s failed: %s (%d)", failed_msg, pam_strerror(pamh, pamret), pamret);
 		safe_strncpy(username, "UNKNOWN", sizeof(username));
 #else /* not PAM */
 		pw = getpwnam(username);
@@ -360,6 +368,7 @@ int login_main(int argc, char **argv)
  auth_failed:
 		opt &= ~LOGIN_OPT_f;
 		bb_do_delay(FAIL_DELAY);
+		/* TODO: doesn't sound like correct English phrase to me */
 		puts("Login incorrect");
 		if (++count == 3) {
 			syslog(LOG_WARNING, "invalid password for '%s'%s",
@@ -423,7 +432,9 @@ int login_main(int argc, char **argv)
 	tmp = pw->pw_shell;
 	if (!tmp || !*tmp)
 		tmp = DEFAULT_SHELL;
+	/* setup_environment params: shell, loginshell, changeenv, pw */
 	setup_environment(tmp, 1, !(opt & LOGIN_OPT_p), pw);
+	/* FIXME: login shell = 1 -> 3rd parameter is ignored! */
 
 	motd();
 
@@ -454,7 +465,8 @@ int login_main(int argc, char **argv)
 	 * should it leave SIGINT etc enabled or disabled? */
 	signal(SIGINT, SIG_DFL);
 
-	run_shell(tmp, 1, 0, 0);	/* exec the shell finally */
+	/* Exec login shell with no additional parameters */
+	run_shell(tmp, 1, NULL, NULL);
 
-	return EXIT_FAILURE;
+	/* return EXIT_FAILURE; - not reached */
 }
diff --git a/networking/httpd.c b/networking/httpd.c
index a888c2424..e67e6bd64 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -598,7 +598,7 @@ static void parse_conf(const char *path, int flag)
 				++p;                             /* so keep last character */
 			}
 			*p = '\0';
-			sprintf(p0, "%s:%s", p0, c);
+			sprintf(p0 + strlen(p0), ":%s", c);
 		}
 #endif
 
@@ -1602,6 +1602,13 @@ static void handle_incoming_and_exit(const len_and_sockaddr *fromAddr)
 	if (fromAddr->sa.sa_family == AF_INET) {
 		rmt_ip = ntohl(fromAddr->sin.sin_addr.s_addr);
 	}
+#if ENABLE_FEATURE_IPV6
+	if (fromAddr->sa.sa_family == AF_INET6
+	 && fromAddr->sin6.sin6_addr.s6_addr32[0] == 0
+	 && fromAddr->sin6.sin6_addr.s6_addr32[1] == 0
+	 && ntohl(fromAddr->sin6.sin6_addr.s6_addr32[2]) == 0xffff)
+		rmt_ip = ntohl(fromAddr->sin6.sin6_addr.s6_addr32[3]);
+#endif
 	if (ENABLE_FEATURE_HTTPD_CGI || DEBUG || verbose) {
 		rmt_ip_str = xmalloc_sockaddr2dotted(&fromAddr->sa);
 	}
diff --git a/runit/runsvdir.c b/runit/runsvdir.c
index 38da7f8ae..94397bc36 100644
--- a/runit/runsvdir.c
+++ b/runit/runsvdir.c
@@ -300,10 +300,10 @@ int runsvdir_main(int argc, char **argv)
 				stamplog = now + 900;
 			}
 		}
-		deadline = now + (check ? 1 : 5);
 
 		pfd[0].revents = 0;
 		sig_block(SIGCHLD);
+		deadline = (check ? 1 : 5);
 		if (rplog)
 			poll(pfd, 1, deadline*1000);
 		else
diff --git a/selinux/chcon.c b/selinux/chcon.c
index f0590b5b0..3609880cb 100644
--- a/selinux/chcon.c
+++ b/selinux/chcon.c
@@ -136,7 +136,7 @@ int chcon_main(int argc, char **argv)
 		":\xff--urtl:u--\xff:r--\xff:t--\xff:l--\xff"
 #endif
 		":f--v:v--f";  /* 'verbose' and 'quiet' are exclusive */
-	getopt32(argv, "Rchf:u:r:t:l:v",
+	getopt32(argv, "Rchfu:r:t:l:v",
 		&user, &role, &type, &range, &reference_file);
 	argv += optind;
 
diff --git a/selinux/setfiles.c b/selinux/setfiles.c
index 174d4ce60..c3775cd90 100644
--- a/selinux/setfiles.c
+++ b/selinux/setfiles.c
@@ -189,7 +189,7 @@ static int match(const char *name, struct stat *sb, char **con)
 			file_sep = strrchr(tmp_path, '/');
 			if (file_sep == tmp_path) {
 				file_sep++;
-				p[0] = '\0';
+				path[0] = '\0';
 				p = path;
 			} else if (file_sep) {
 				*file_sep++ = '\0';
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 2a91a8f2f..7981abc9f 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -638,8 +638,16 @@ static void
 seek_sector(ullong secno)
 {
 	secno *= sector_size;
+#if ENABLE_FDISK_SUPPORT_LARGE_DISKS
 	if (lseek64(fd, (off64_t)secno, SEEK_SET) == (off64_t) -1)
 		fdisk_fatal(unable_to_seek);
+#else
+	if (secno > MAXINT(off_t)
+	 || lseek(fd, (off_t)secno, SEEK_SET) == (off_t) -1
+	) {
+		fdisk_fatal(unable_to_seek);
+	}
+#endif
 }
 
 #if ENABLE_FEATURE_FDISK_WRITABLE