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Fix bug #6330 - DFS doesn't work on AIX. Jeremy.

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This commit is contained in:
Jeremy Allison 2009-05-08 11:31:34 -07:00
parent f47b220ce1
commit 3d6f4a7af7
3 changed files with 47 additions and 0 deletions
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10
source3/configure.in
View File

@ -5703,6 +5703,16 @@ fi
AC_HAVE_DECL(splice, [#include <fcntl.h>])
############################################
# See if we have the a broken readlink syscall.
AC_CACHE_CHECK([for a broken readlink syscall],samba_cv_HAVE_BROKEN_READLINK,[
AC_TRY_RUN([#include "${srcdir-.}/../tests/readlink.c"],
samba_cv_HAVE_BROKEN_READLINK=no,samba_cv_HAVE_BROKEN_READLINK=yes,samba_cv_HAVE_BROKEN_READLINK=cross)
])
if test x"$samba_cv_HAVE_BROKEN_READLINK" = x"yes"; then
AC_DEFINE(HAVE_BROKEN_READLINK,1,[Whether the readlink syscall is broken])
fi
#################################################
# Check whether winbind is supported on this platform. If so we need to

4
source3/smbd/msdfs.c
View File

@ -413,7 +413,11 @@ static bool is_msdfs_link_internal(TALLOC_CTX *ctx,
{
SMB_STRUCT_STAT st;
int referral_len = 0;
#if defined(HAVE_BROKEN_READLINK)
char link_target_buf[PATH_MAX];
#else
char link_target_buf[7];
#endif
size_t bufsize = 0;
char *link_target = NULL;

33
tests/readlink.c Normal file
View File

@ -0,0 +1,33 @@
/* test whether readlink returns a short buffer correctly. */
#if defined(HAVE_UNISTD_H)
#include <unistd.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define DATA "readlink.test"
#define FNAME "rdlnk.file"
main()
{
int buf[7];
int ret;
ssize_t rl_ret;
unlink(FNAME);
ret = symlink(DATA, FNAME);
if (ret == -1) {
exit(1);
}
rl_ret = readlink(FNAME, buf, sizeof(buf));
if (rl_ret == -1) {
unlink(FNAME);
exit(1);
}
unlink(FNAME);
exit(0);
}