Vodz, last_patch_86

12 files changed, 79 insertions, 61 deletions

diff --git a/libbb/Makefile.in b/libbb/Makefile.in
index 06daf232c..98b0c66e2 100644
--- a/libbb/Makefile.in
+++ b/libbb/Makefile.in
@@ -48,7 +48,7 @@ LIBBB_SRC:= \
 	fclose_nonstdin.c fflush_stdout_and_exit.c getopt_ulflags.c \
 	default_error_retval.c wfopen_input.c speed_table.c \
 	perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c \
-	warn_ignoring_args.c
+	warn_ignoring_args.c concat_subpath_file.c
 
 LIBBB_OBJS=$(patsubst %.c,$(LIBBB_DIR)%.o, $(LIBBB_SRC))
 
diff --git a/libbb/concat_subpath_file.c b/libbb/concat_subpath_file.c
new file mode 100644
index 000000000..6d86f5e8c
--- /dev/null
+++ b/libbb/concat_subpath_file.c
@@ -0,0 +1,36 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) (C) 2003  Vladimir Oleynik  <dzo@simtreas.ru>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+/*
+   This function make special for recursive actions with usage
+   concat_path_file(path, filename)
+   and skiping "." and ".." directory entries
+*/
+
+#include "libbb.h"
+
+extern char *concat_subpath_file(const char *path, const char *f)
+{
+	if(f && *f == '.' && (!f[1] || (f[1] == '.' && !f[2])))
+		return NULL;
+	return concat_path_file(path, f);
+}
diff --git a/libbb/copy_file.c b/libbb/copy_file.c
index 81c547479..5808ca48c 100644
--- a/libbb/copy_file.c
+++ b/libbb/copy_file.c
@@ -105,11 +105,9 @@ int copy_file(const char *source, const char *dest, int flags)
 		while ((d = readdir(dp)) != NULL) {
 			char *new_source, *new_dest;
 
-			if (strcmp(d->d_name, ".") == 0 ||
-					strcmp(d->d_name, "..") == 0)
+			new_source = concat_subpath_file(source, d->d_name);
+			if(new_source == NULL)
 				continue;
-
-			new_source = concat_path_file(source, d->d_name);
 			new_dest = concat_path_file(dest, d->d_name);
 			if (copy_file(new_source, new_dest, flags) < 0)
 				status = -1;
diff --git a/libbb/find_root_device.c b/libbb/find_root_device.c
index 763ac7519..b12d392a2 100644
--- a/libbb/find_root_device.c
+++ b/libbb/find_root_device.c
@@ -49,13 +49,10 @@ extern char *find_real_root_device_name(const char* name)
 		else {
 			while((entry = readdir(dir)) != NULL) {
 
-				/* Must skip ".." since that is "/", and so we 
-				 * would get a false positive on ".."  */
-				if (strcmp(entry->d_name, "..") == 0)
+				fileName = concat_subpath_file("/dev", entry->d_name);
+				if(fileName == NULL)
 					continue;
 
-				fileName = concat_path_file("/dev", entry->d_name);
-
 				/* Some char devices have the same dev_t as block
 				 * devices, so make sure this is a block device */
 				if (stat(fileName, &statBuf) == 0 && 
diff --git a/libbb/isdirectory.c b/libbb/isdirectory.c
index e8ef2df14..e9b106aa3 100644
--- a/libbb/isdirectory.c
+++ b/libbb/isdirectory.c
@@ -20,8 +20,6 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <sys/stat.h>
 #include "libbb.h"
 
@@ -32,11 +30,11 @@
 int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
 {
 	int status;
-	int didMalloc = 0;
+	struct stat astatBuf;
 
 	if (statBuf == NULL) {
-	    statBuf = (struct stat *)xmalloc(sizeof(struct stat));
-	    ++didMalloc;
+	    /* set from auto stack buffer */
+	    statBuf = &astatBuf;
 	}
 
 	if (followLinks)
@@ -49,10 +47,6 @@ int is_directory(const char *fileName, const int followLinks, struct stat *statB
 	}
 	else status = TRUE;
 
-	if (didMalloc) {
-	    free(statBuf);
-	    statBuf = NULL;
-	}
 	return status;
 }
 
diff --git a/libbb/login.c b/libbb/login.c
index bd8035f41..67636e6b5 100644
--- a/libbb/login.c
+++ b/libbb/login.c
@@ -17,26 +17,28 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  *
- * $Id: login.c,v 1.3 2003/05/13 13:28:25 bug1 Exp $
+ * Optimize and correcting OCRNL by Vladimir Oleynik <dzo@simtreas.ru>
  */
 
+#include <sys/param.h>  /* MAXHOSTNAMELEN */
 #include <stdio.h>
 #include <unistd.h>
-#include "busybox.h"
+#include "libbb.h"
 
 #include <sys/utsname.h>
 #include <time.h>
 
 #define LOGIN " login: "
 
-static char fmtstr_d[] = { "%A, %d %B %Y" };
-static char fmtstr_t[] = { "%H:%M:%S" };
+static const char fmtstr_d[] = "%A, %d %B %Y";
+static const char fmtstr_t[] = "%H:%M:%S";
 
 void print_login_issue(const char *issue_file, const char *tty)
 {
 	FILE *fd;
 	int c;
 	char buf[256];
+	const char *outbuf;
 	time_t t;
 	struct utsname uts;
 
@@ -47,73 +49,75 @@ void print_login_issue(const char *issue_file, const char *tty)
 
 	if ((fd = fopen(issue_file, "r"))) {
 		while ((c = fgetc(fd)) != EOF) {
+			outbuf = buf;
+			buf[0] = c;
+			if(c == '\n') {
+				buf[1] = '\r';
+				buf[2] = 0;
+			} else {
+				buf[1] = 0;
+			}
 			if (c == '\\' || c == '%') {
 				c = fgetc(fd);
-
 				switch (c) {
 					case 's':
-						fputs(uts.sysname, stdout);
+						outbuf = uts.sysname;
 						break;
 
 					case 'n':
-						fputs(uts.nodename, stdout);
+						outbuf = uts.nodename;
 						break;
 
 					case 'r':
-						fputs(uts.release, stdout);
+						outbuf = uts.release;
 						break;
 
 					case 'v':
-						fputs(uts.version, stdout);
+						outbuf = uts.version;
 						break;
 
 					case 'm':
-						fputs(uts.machine, stdout);
+						outbuf = uts.machine;
 						break;
 
 					case 'D':
 					case 'o':
 						getdomainname(buf, sizeof(buf));
 						buf[sizeof(buf) - 1] = '\0';
-						fputs(buf, stdout);
 						break;
 
 					case 'd':
 						strftime(buf, sizeof(buf), fmtstr_d, localtime(&t));
-						fputs(buf, stdout);
 						break;
 
 					case 't':
 						strftime(buf, sizeof(buf), fmtstr_t, localtime(&t));
-						fputs(buf, stdout);
 						break;
 
 					case 'h':
-						gethostname(buf, sizeof(buf));
-						fputs(buf, stdout);
+						gethostname(buf, sizeof(buf) - 1);
 						break;
 
 					case 'l':
-						printf("%s", tty);
+						outbuf = tty;
 						break;
 
 					default:
-						putchar(c);
+						buf[0] = c;
 				}
-			} else
-				putchar(c);
 		}
-
-		puts("");	/* start a new line */
-		fflush(stdout);
+			fputs(outbuf, stdout);
+		}
 
 		fclose(fd);
+
+		fflush(stdout);
 	}
 }
 
 void print_login_prompt(void)
 {
-	char buf[MAXHOSTNAMELEN];
+	char buf[MAXHOSTNAMELEN+1];
 
 	gethostname(buf, MAXHOSTNAMELEN);
 	fputs(buf, stdout);
diff --git a/libbb/pw_encrypt.c b/libbb/pw_encrypt.c
index 0e4eb9f8a..ac79f839f 100644
--- a/libbb/pw_encrypt.c
+++ b/libbb/pw_encrypt.c
@@ -39,10 +39,7 @@ extern char *pw_encrypt(const char *clear, const char *salt)
 	/* if crypt (a nonstandard crypt) returns a string too large,
 	   truncate it so we don't overrun buffers and hope there is
 	   enough security in what's left */
-	if (strlen(cp) > sizeof(cipher)-1) {
-		cp[sizeof(cipher)-1] = 0;
-	}
-	strcpy(cipher, cp);
+	safe_strncpy(cipher, cp, sizeof(cipher));
 	return cipher;
 }
 
diff --git a/libbb/recursive_action.c b/libbb/recursive_action.c
index a4a4a7be3..3ea107ca9 100644
--- a/libbb/recursive_action.c
+++ b/libbb/recursive_action.c
@@ -103,11 +103,9 @@ int recursive_action(const char *fileName,
 		while ((next = readdir(dir)) != NULL) {
 			char *nextFile;
 
-			if ((strcmp(next->d_name, "..") == 0)
-					|| (strcmp(next->d_name, ".") == 0)) {
+			nextFile = concat_subpath_file(fileName, next->d_name);
+			if(nextFile == NULL)
 				continue;
-			}
-			nextFile = concat_path_file(fileName, next->d_name);
 			if (! recursive_action(nextFile, TRUE, followLinks, depthFirst,
 						fileAction, dirAction, userData)) {
 				status = FALSE;
diff --git a/libbb/remove_file.c b/libbb/remove_file.c
index 65708a252..8b45c58b8 100644
--- a/libbb/remove_file.c
+++ b/libbb/remove_file.c
@@ -79,11 +79,9 @@ extern int remove_file(const char *path, int flags)
 		while ((d = readdir(dp)) != NULL) {
 			char *new_path;
 
-			if (strcmp(d->d_name, ".") == 0 ||
-					strcmp(d->d_name, "..") == 0)
+			new_path = concat_subpath_file(path, d->d_name);
+			if(new_path == NULL)
 				continue;
-
-			new_path = concat_path_file(path, d->d_name);
 			if (remove_file(new_path, flags) < 0)
 				status = -1;
 			free(new_path);
diff --git a/libbb/run_shell.c b/libbb/run_shell.c
index d154b9852..49e8a76c2 100644
--- a/libbb/run_shell.c
+++ b/libbb/run_shell.c
@@ -52,10 +52,7 @@ void run_shell ( const char *shell, int loginshell, const char *command, const c
 	for ( args = additional_args; args && *args; args++ )
 		additional_args_cnt++;
 
-	if ( additional_args )
 		args = (const char **) xmalloc (sizeof (char *) * ( 4  + additional_args_cnt ));
-	else
-		args = (const char **) xmalloc (sizeof (char *) * 4 );
 		
 	args [0] = bb_get_last_path_component ( bb_xstrdup ( shell ));
 	
@@ -77,4 +74,3 @@ void run_shell ( const char *shell, int loginshell, const char *command, const c
 	execv ( shell, (char **) args );
 	bb_perror_msg_and_die ( "cannot run %s", shell );
 }
-
diff --git a/libbb/setup_environment.c b/libbb/setup_environment.c
index 30d317cea..b18f8967e 100644
--- a/libbb/setup_environment.c
+++ b/libbb/setup_environment.c
@@ -45,13 +45,13 @@
 static void xsetenv ( const char *key, const char *value )
 {
 	    if ( setenv ( key, value, 1 ))
-			        bb_error_msg_and_die ( "out of memory" );
+				bb_error_msg_and_die (bb_msg_memory_exhausted);
 }
 
 void setup_environment ( const char *shell, int loginshell, int changeenv, const struct passwd *pw )
 {
 	if ( loginshell ) {
-		char *term;
+		const char *term;
 	
 		/* Change the current working directory to be the home directory
 		 * of the user.  It is a fatal error for this process to be unable
diff --git a/libbb/xgetcwd.c b/libbb/xgetcwd.c
index 85a5c4125..1fcdba198 100644
--- a/libbb/xgetcwd.c
+++ b/libbb/xgetcwd.c
@@ -3,7 +3,7 @@
  * Copyright (C) 1992, 1996 Free Software Foundation, Inc.
  * Written by David MacKenzie <djm@gnu.ai.mit.edu>.
  *
- * Special function for busybox written by Vladimir Oleynik <vodz@usa.net>
+ * Special function for busybox written by Vladimir Oleynik <dzo@simtreas.ru>
 */
 
 #include <stdlib.h>