summaryrefslogtreecommitdiff
path: root/lib/sh
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sh')
-rw-r--r--lib/sh/Makefile.in29
-rw-r--r--lib/sh/eaccess.c222
-rw-r--r--lib/sh/netopen.c10
-rw-r--r--lib/sh/shmatch.c3
-rw-r--r--lib/sh/snprintf.c29
-rw-r--r--lib/sh/strtrans.c16
-rw-r--r--lib/sh/tmpfile.c5
-rw-r--r--lib/sh/wcsdup.c44
-rw-r--r--lib/sh/winsize.c1
9 files changed, 349 insertions, 10 deletions
diff --git a/lib/sh/Makefile.in b/lib/sh/Makefile.in
index 32e2b31..bf95d19 100644
--- a/lib/sh/Makefile.in
+++ b/lib/sh/Makefile.in
@@ -88,7 +88,8 @@ CSOURCES = clktck.c clock.c getcwd.c getenv.c oslib.c setlinebuf.c \
shquote.c strtrans.c strindex.c snprintf.c mailstat.c \
fmtulong.c fmtullong.c fmtumax.c shmatch.c strnlen.c \
strtoll.c strtoull.c strtoimax.c strtoumax.c memset.c strstr.c \
- mktime.c strftime.c xstrchr.c zcatfd.c winsize.c
+ mktime.c strftime.c xstrchr.c zcatfd.c winsize.c eaccess.c \
+ wcsdup.c
# The header files for this library.
HSOURCES =
@@ -96,11 +97,12 @@ HSOURCES =
# The object files contained in $(LIBRARY_NAME)
LIBOBJS = @LIBOBJS@
OBJECTS = clktck.o clock.o getenv.o oslib.o setlinebuf.o strnlen.o \
- itos.o zread.o zwrite.o shtty.o shmatch.o \
+ itos.o zread.o zwrite.o shtty.o shmatch.o eaccess.o \
netconn.o netopen.o timeval.o makepath.o pathcanon.o \
pathphys.o tmpfile.o stringlist.o stringvec.o spell.o shquote.o \
strtrans.o strindex.o snprintf.o mailstat.o fmtulong.o \
- fmtullong.o fmtumax.o xstrchr.o zcatfd.o winsize.o ${LIBOBJS}
+ fmtullong.o fmtumax.o xstrchr.o zcatfd.o winsize.o wcsdup.o \
+ ${LIBOBJS}
SUPPORT = Makefile
@@ -134,6 +136,7 @@ ${BUILD_DIR}/version.h: ${BUILD_DIR}/config.h ${BUILD_DIR}/Makefile Makefile
# rules for losing makes, like SunOS
clktck.o: clktck.c
clock.o: clock.c
+eaccess.o: eaccess.c
fmtullong.o: fmtullong.c
fmtulong.o: fmtulong.c
fmtumax.o: fmtumax.c
@@ -176,6 +179,7 @@ times.o: times.c
timeval.o: timeval.c
tmpfile.o: tmpfile.c
vprint.o: vprint.c
+wcsdup.o: wcsdup.c
xstrchr.o: xstrchr.c
zcatfd.o: zcatfd.c
zread.o: zread.c
@@ -191,6 +195,7 @@ strtoull.o: strtol.c
# all files in the library depend on config.h
clktck.o: ${BUILD_DIR}/config.h
clock.o: ${BUILD_DIR}/config.h
+eaccess.o: ${BUILD_DIR}/config.h
fmtullong.o: ${BUILD_DIR}/config.h
fmtulong.o: ${BUILD_DIR}/config.h
fmtumax.o: ${BUILD_DIR}/config.h
@@ -233,6 +238,7 @@ times.o: ${BUILD_DIR}/config.h
timeval.o: ${BUILD_DIR}/config.h
tmpfile.o: ${BUILD_DIR}/config.h
vprint.o: ${BUILD_DIR}/config.h
+wcsdup.o: ${BUILD_DIR}/config.h
xstrchr.o: ${BUILD_DIR}/config.h
zcatfd.o: ${BUILD_DIR}/config.h
zread.o: ${BUILD_DIR}/config.h
@@ -327,6 +333,19 @@ rename.o: ${BASHINCDIR}/posixstat.h
setlinebuf.o: ${topdir}/xmalloc.h ${topdir}/bashansi.h
setlinebuf.o: ${BASHINCDIR}/ansi_stdlib.h ${BASHINCDIR}/stdc.h
+eaccess.o: ${topdir}/bashtypes.h
+eaccess.o: ${BASHINCDIR}/posixstat.h
+eaccess.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+eaccess.o: ${BASHINCDIR}/filecntl.h
+eaccess.o: ${BASHINCDIR}/stdc.h
+eaccess.o: ${topdir}/shell.h ${topdir}/syntax.h ${topdir}/bashjmp.h ${BASHINCDIR}/posixjmp.h
+eaccess.o: ${topdir}/command.h ${BASHINCDIR}/stdc.h ${topdir}/error.h
+eaccess.o: ${topdir}/general.h ${topdir}/bashtypes.h ${topdir}/variables.h ${topdir}/conftypes.h
+eaccess.o: ${topdir}/array.h ${topdir}/hashlib.h ${topdir}/quit.h
+eaccess.o: ${topdir}/unwind_prot.h ${topdir}/dispose_cmd.h
+eaccess.o: ${topdir}/make_cmd.h ${topdir}/subst.h ${topdir}/sig.h
+eaccess.o: ${BUILD_DIR}/pathnames.h ${topdir}/externs.h ${BUILD_DIR}/version.h
+
shquote.o: ${BASHINCDIR}/stdc.h ${topdir}/bashansi.h
shquote.o: ${BASHINCDIR}/ansi_stdlib.h ${topdir}/xmalloc.h
@@ -450,6 +469,10 @@ fmtumax.o: ${BASHINCDIR}/stdc.h
fmtumax.o: ${BASHINCDIR}/typemax.h
fmtumax.o: ${topdir}/bashintl.h ${LIBINTL_H} ${BASHINCDIR}/gettext.h
+wcsdup.o: ${topdir}/bashansi.h ${BASHINCDIR}/ansi_stdlib.h
+wcsdup.o: ${BASHINCDIR}/stdc.h
+wcsdup.o: ${topdir}/xmalloc.h
+
xstrchr.o: ${topdir}/bashansi.h
xstrchr.o: ${BASHINCDIR}/ansi_stdlib.h
xstrchr.o: ${BASHINCDIR}/shmbutil.h
diff --git a/lib/sh/eaccess.c b/lib/sh/eaccess.c
new file mode 100644
index 0000000..1cff692
--- /dev/null
+++ b/lib/sh/eaccess.c
@@ -0,0 +1,222 @@
+/* eaccess.c - eaccess replacement for the shell, plus other access functions. */
+
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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, or (at your option) any later
+ version.
+
+ Bash 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 Bash; see the file COPYING. If not, write to the Free Software
+ Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if defined (HAVE_CONFIG_H)
+# include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include "bashtypes.h"
+
+#if defined (HAVE_UNISTD_H)
+# include <unistd.h>
+#endif
+
+#include "bashansi.h"
+
+#include <errno.h>
+#if !defined (errno)
+extern int errno;
+#endif /* !errno */
+
+#if !defined (_POSIX_VERSION) && defined (HAVE_SYS_FILE_H)
+# include <sys/file.h>
+#endif /* !_POSIX_VERSION */
+#include "posixstat.h"
+#include "filecntl.h"
+
+#include "shell.h"
+
+#if !defined (R_OK)
+#define R_OK 4
+#define W_OK 2
+#define X_OK 1
+#define F_OK 0
+#endif /* R_OK */
+
+static int path_is_devfd __P((const char *));
+static int sh_stataccess __P((char *, int));
+#if HAVE_DECL_SETREGID
+static int sh_euidaccess __P((char *, int));
+#endif
+
+static int
+path_is_devfd (path)
+ const char *path;
+{
+ if (path[0] == '/' && path[1] == 'd' && strncmp (path, "/dev/fd/", 8) == 0)
+ return 1;
+ else if (STREQN (path, "/dev/std", 8))
+ {
+ if (STREQ (path+8, "in") || STREQ (path+8, "out") || STREQ (path+8, "err"))
+ return 1;
+ else
+ return 0;
+ }
+ else
+ return 0;
+}
+
+/* A wrapper for stat () which disallows pathnames that are empty strings
+ and handles /dev/fd emulation on systems that don't have it. */
+int
+sh_stat (path, finfo)
+ const char *path;
+ struct stat *finfo;
+{
+ if (*path == '\0')
+ {
+ errno = ENOENT;
+ return (-1);
+ }
+ if (path[0] == '/' && path[1] == 'd' && strncmp (path, "/dev/fd/", 8) == 0)
+ {
+#if !defined (HAVE_DEV_FD)
+ intmax_t fd;
+ int r;
+
+ if (legal_number (path + 8, &fd) && fd == (int)fd)
+ {
+ r = fstat ((int)fd, finfo);
+ if (r == 0 || errno != EBADF)
+ return (r);
+ }
+ errno = ENOENT;
+ return (-1);
+#else
+ /* If HAVE_DEV_FD is defined, DEV_FD_PREFIX is defined also, and has a
+ trailing slash. Make sure /dev/fd/xx really uses DEV_FD_PREFIX/xx.
+ On most systems, with the notable exception of linux, this is
+ effectively a no-op. */
+ char pbuf[32];
+ strcpy (pbuf, DEV_FD_PREFIX);
+ strcat (pbuf, path + 8);
+ return (stat (pbuf, finfo));
+#endif /* !HAVE_DEV_FD */
+ }
+#if !defined (HAVE_DEV_STDIN)
+ else if (STREQN (path, "/dev/std", 8))
+ {
+ if (STREQ (path+8, "in"))
+ return (fstat (0, finfo));
+ else if (STREQ (path+8, "out"))
+ return (fstat (1, finfo));
+ else if (STREQ (path+8, "err"))
+ return (fstat (2, finfo));
+ else
+ return (stat (path, finfo));
+ }
+#endif /* !HAVE_DEV_STDIN */
+ return (stat (path, finfo));
+}
+
+/* Do the same thing access(2) does, but use the effective uid and gid,
+ and don't make the mistake of telling root that any file is
+ executable. This version uses stat(2). */
+static int
+sh_stataccess (path, mode)
+ char *path;
+ int mode;
+{
+ struct stat st;
+
+ if (sh_stat (path, &st) < 0)
+ return (-1);
+
+ if (current_user.euid == 0)
+ {
+ /* Root can read or write any file. */
+ if ((mode & X_OK) == 0)
+ return (0);
+
+ /* Root can execute any file that has any one of the execute
+ bits set. */
+ if (st.st_mode & S_IXUGO)
+ return (0);
+ }
+
+ if (st.st_uid == current_user.euid) /* owner */
+ mode <<= 6;
+ else if (group_member (st.st_gid))
+ mode <<= 3;
+
+ if (st.st_mode & mode)
+ return (0);
+
+ errno = EACCES;
+ return (-1);
+}
+
+#if HAVE_DECL_SETREGID
+/* Version to call when uid != euid or gid != egid. We temporarily swap
+ the effective and real uid and gid as appropriate. */
+static int
+sh_euidaccess (path, mode)
+ char *path;
+ int mode;
+{
+ int r, e;
+
+ if (current_user.uid != current_user.euid)
+ setreuid (current_user.euid, current_user.uid);
+ if (current_user.gid != current_user.egid)
+ setregid (current_user.egid, current_user.gid);
+
+ r = access (path, mode);
+ e = errno;
+
+ if (current_user.uid != current_user.euid)
+ setreuid (current_user.uid, current_user.euid);
+ if (current_user.gid != current_user.egid)
+ setregid (current_user.gid, current_user.egid);
+
+ errno = e;
+ return r;
+}
+#endif
+
+int
+sh_eaccess (path, mode)
+ char *path;
+ int mode;
+{
+ if (path_is_devfd (path))
+ return (sh_stataccess (path, mode));
+
+#if defined (HAVE_EACCESS) /* FreeBSD */
+ return (eaccess (path, mode));
+#elif defined (EFF_ONLY_OK) /* SVR4(?), SVR4.2 */
+ return access (path, mode|EFF_ONLY_OK);
+#else
+ if (mode == F_OK)
+ return (sh_stataccess (path, mode));
+
+# if HAVE_DECL_SETREGID
+ if (current_user.uid != current_user.euid || current_user.gid != current_user.egid)
+ return (sh_euidaccess (path, mode));
+# endif
+
+ if (current_user.uid == current_user.euid && current_user.gid == current_user.egid)
+ return (access (path, mode));
+
+ return (sh_stataccess (path, mode));
+#endif
+}
diff --git a/lib/sh/netopen.c b/lib/sh/netopen.c
index aaf0c47..d8eec75 100644
--- a/lib/sh/netopen.c
+++ b/lib/sh/netopen.c
@@ -67,6 +67,16 @@ extern int inet_aton __P((const char *, struct in_addr *));
#endif
#ifndef HAVE_GETADDRINFO
+static int _getaddr __P((char *, struct in_addr *));
+static int _getserv __P((char *, int, unsigned short *));
+static int _netopen4 __P((char *, char *, int));
+#else /* HAVE_GETADDRINFO */
+static int _netopen6 __P((char *, char *, int));
+#endif
+
+static int _netopen __P((char *, char *, int));
+
+#ifndef HAVE_GETADDRINFO
/* Stuff the internet address corresponding to HOST into AP, in network
byte order. Return 1 on success, 0 on failure. */
diff --git a/lib/sh/shmatch.c b/lib/sh/shmatch.c
index 4508ed0..f03a2ee 100644
--- a/lib/sh/shmatch.c
+++ b/lib/sh/shmatch.c
@@ -57,8 +57,7 @@ sh_regmatch (string, pattern, flags)
char *subexp_str;
int subexp_len;
#endif
- int result;
-
+ int result;
#if defined (ARRAY_VARS)
rematch = (SHELL_VAR *)NULL;
diff --git a/lib/sh/snprintf.c b/lib/sh/snprintf.c
index 114135f..4a96474 100644
--- a/lib/sh/snprintf.c
+++ b/lib/sh/snprintf.c
@@ -65,6 +65,7 @@
#define HAVE_PRINTF_A_FORMAT
#endif
#define HAVE_ISINF_IN_LIBC
+#define HAVE_ISNAN_IN_LIBC
#define PREFER_STDARG
#define HAVE_STRINGIZE
#define HAVE_LIMITS_H
@@ -370,6 +371,12 @@ static void xfree __P((void *));
for (; (p)->width > 0; (p)->width--) \
PUT_CHAR((p)->pad, p)
+/* pad with zeros from decimal precision */
+#define PAD_ZERO(p) \
+ if ((p)->precision > 0) \
+ for (; (p)->precision > 0; (p)->precision--) \
+ PUT_CHAR('0', p)
+
/* if width and prec. in the args */
#define STAR_ARGS(p) \
do { \
@@ -651,6 +658,10 @@ number(p, d, base)
long sd;
int flags;
+ /* An explicit precision turns off the zero-padding flag. */
+ if ((p->flags & PF_ZEROPAD) && p->precision >= 0 && (p->flags & PF_DOT))
+ p->flags &= ~PF_ZEROPAD;
+
sd = d; /* signed for ' ' padding in base 10 */
flags = (*p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
if (*p->pf == 'X')
@@ -668,6 +679,12 @@ number(p, d, base)
p->width -= strlen(tmp);
PAD_RIGHT(p);
+ if ((p->flags & PF_DOT) && p->precision > 0)
+ {
+ p->precision -= strlen(tmp);
+ PAD_ZERO(p);
+ }
+
switch (base)
{
case 10:
@@ -711,6 +728,10 @@ lnumber(p, d, base)
long long sd;
int flags;
+ /* An explicit precision turns off the zero-padding flag. */
+ if ((p->flags & PF_ZEROPAD) && p->precision >= 0 && (p->flags & PF_DOT))
+ p->flags &= ~PF_ZEROPAD;
+
sd = d; /* signed for ' ' padding in base 10 */
flags = (*p->pf == 'u' || *p->pf == 'U') ? FL_UNSIGNED : 0;
if (*p->pf == 'X')
@@ -728,6 +749,12 @@ lnumber(p, d, base)
p->width -= strlen(tmp);
PAD_RIGHT(p);
+ if ((p->flags & PF_DOT) && p->precision > 0)
+ {
+ p->precision -= strlen(tmp);
+ PAD_ZERO(p);
+ }
+
switch (base)
{
case 10:
@@ -881,7 +908,9 @@ isinf(d)
#endif
return 0;
}
+#endif
+#ifndef HAVE_ISNAN_IN_LIBC
static int
isnan(d)
double d;
diff --git a/lib/sh/strtrans.c b/lib/sh/strtrans.c
index acf9d69..1f0290e 100644
--- a/lib/sh/strtrans.c
+++ b/lib/sh/strtrans.c
@@ -81,8 +81,18 @@ ansicstr (string, len, flags, sawc, rlen)
case 'n': c = '\n'; break;
case 'r': c = '\r'; break;
case 't': c = '\t'; break;
- case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7':
+ case '1': case '2': case '3':
+ case '4': case '5': case '6':
+ case '7':
+#if 1
+ if (flags & 1)
+ {
+ *r++ = '\\';
+ break;
+ }
+ /*FALLTHROUGH*/
+#endif
+ case '0':
/* If (FLAGS & 1), we're translating a string for echo -e (or
the equivalent xpg_echo option), so we obey the SUSv3/
POSIX-2001 requirement and accept 0-3 octal digits after
@@ -166,7 +176,7 @@ ansic_quote (str, flags, rlen)
int flags, *rlen;
{
char *r, *ret, *s;
- int l, rsize, t;
+ int l, rsize;
unsigned char c;
if (str == 0 || *str == 0)
diff --git a/lib/sh/tmpfile.c b/lib/sh/tmpfile.c
index fb7b732..5f2279d 100644
--- a/lib/sh/tmpfile.c
+++ b/lib/sh/tmpfile.c
@@ -47,6 +47,9 @@ extern int errno;
extern pid_t dollar_dollar_pid;
+static char *get_sys_tmpdir __P((void));
+static char *get_tmpdir __P((int));
+
static char *sys_tmpdir = (char *)NULL;
static int ntmpfiles;
static int tmpnamelen = -1;
@@ -55,8 +58,6 @@ static unsigned long filenum = 1L;
static char *
get_sys_tmpdir ()
{
- struct stat sb;
-
if (sys_tmpdir)
return sys_tmpdir;
diff --git a/lib/sh/wcsdup.c b/lib/sh/wcsdup.c
new file mode 100644
index 0000000..e045307
--- /dev/null
+++ b/lib/sh/wcsdup.c
@@ -0,0 +1,44 @@
+/* wcsdup.c - wcsdup(3) library function */
+
+/* Copyright (C) 2006 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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, or (at your option) any later
+ version.
+
+ Bash 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 Bash; see the file COPYING. If not, write to the Free Software
+ Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#include <config.h>
+
+#if !defined (HAVE_WCSDUP) && defined (HANDLE_MULTIBYTE)
+
+#include <stdc.h>
+#include <wchar.h>
+#include <bashansi.h>
+#include <xmalloc.h>
+
+wchar_t *
+wcsdup (ws)
+ const wchar_t *ws;
+{
+ wchar_t *ret;
+ size_t len;
+
+ len = wcslen (ws);
+ ret = xmalloc ((len + 1) * sizeof (wchar_t));
+ if (ret == 0)
+ return ret;
+
+ return (wcscpy (ret, ws));
+}
+#endif /* !HAVE_WCSDUP && HANDLE_MULTIBYTE */
diff --git a/lib/sh/winsize.c b/lib/sh/winsize.c
index 8b39c99..f4696de 100644
--- a/lib/sh/winsize.c
+++ b/lib/sh/winsize.c
@@ -55,6 +55,7 @@ extern int shell_tty;
#if defined (READLINE)
extern void rl_set_screen_size __P((int, int));
#endif
+extern void sh_set_lines_and_columns __P((int, int));
void
get_new_window_size (from_sig, rp, cp)