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| author | Roland McGrath <roland@gnu.org> | 1999-03-14 12:59:57 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 1999-03-14 12:59:57 +0000 |
| commit | 8ea6a7aa50e9d4c81740c1fdb19dca0d8be748e2 (patch) | |
| tree | c7ab987be88420577577a4554da58baae8ab48ac | |
| parent | 91ea72b7d26907ddbfc5a155752ec506d926c804 (diff) | |
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1999-03-14 Roland McGrath <roland@baalperazim.frob.com>
* hurd/hurdlookup.c (__hurd_file_name_lookup_retry): Under O_NOFOLLOW,
check for root-owned symlinks and reject them too.
| -rw-r--r-- | hurd/hurdlookup.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/hurd/hurdlookup.c b/hurd/hurdlookup.c index 984a101579..0714e4aa86 100644 --- a/hurd/hurdlookup.c +++ b/hurd/hurdlookup.c @@ -23,6 +23,7 @@ #include <fcntl.h> #include "stdio-common/_itoa.h" #include <hurd/term.h> +#include <hurd/paths.h> /* Translate the error from dir_lookup into the error the user sees. */ @@ -197,9 +198,24 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port) struct stat st; err = __io_stat (*result, &st); if (!err - && st.st_uid != 0 && (st.st_mode & (S_IPTRANS|S_IATRANS))) - err = ENOENT; + { + if (st.st_uid != 0) + err = ENOENT; + else if (st.st_mode & S_IPTRANS) + { + char buf[1024]; + char *trans = buf; + size_t translen = sizeof buf; + err = __file_get_translator (*result, + &trans, &translen); + if (!err + && translen > sizeof _HURD_SYMLINK + && !memcmp (trans, + _HURD_SYMLINK, sizeof _HURD_SYMLINK)) + err = ENOENT; + } + } } /* We got a successful translation. Now apply any open-time |