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author | csjp <csjp@FreeBSD.org> | 2006-06-01 15:38:30 +0000 |
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committer | csjp <csjp@FreeBSD.org> | 2006-06-01 15:38:30 +0000 |
commit | 65422bb62220eaa28b25a6a863563b85acd3df50 (patch) | |
tree | a07f1994cd610648d28b1fb93b906b0f19b3eae7 | |
parent | e66637299eb2c5aff5fb88d222a97050207fe19f (diff) | |
download | FreeBSD-src-65422bb62220eaa28b25a6a863563b85acd3df50.zip FreeBSD-src-65422bb62220eaa28b25a6a863563b85acd3df50.tar.gz |
Check to see if the rootdir is the same as the current working directory.
If it is, and the pathname was relative, do not separate the componenets
with a '/' character.
Obtained from: TrustedBSD Project
-rw-r--r-- | sys/security/audit/audit_bsm_klib.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sys/security/audit/audit_bsm_klib.c b/sys/security/audit/audit_bsm_klib.c index 5489a2e..87d715a 100644 --- a/sys/security/audit/audit_bsm_klib.c +++ b/sys/security/audit/audit_bsm_klib.c @@ -489,10 +489,11 @@ canon_path(struct thread *td, char *path, char *cpath) char *retbuf, *freebuf; struct vnode *vnp; struct filedesc *fdp; - int error, vfslocked; + int cisr, error, vfslocked; fdp = td->td_proc->p_fd; bufp = path; + cisr = 0; FILEDESC_LOCK(fdp); if (*(path) == '/') { while (*(bufp) == '/') @@ -511,6 +512,7 @@ canon_path(struct thread *td, char *path, char *cpath) } } else { vnp = fdp->fd_cdir; /* Prepend the current dir. */ + cisr = (fdp->fd_rdir == fdp->fd_cdir); vref(vnp); bufp = path; } @@ -527,8 +529,14 @@ canon_path(struct thread *td, char *path, char *cpath) vn_lock(vnp, LK_EXCLUSIVE | LK_RETRY, td); error = vn_fullpath(td, vnp, &retbuf, &freebuf); if (error == 0) { - /* Copy and free buffer allocated by vn_fullpath(). */ - snprintf(cpath, MAXPATHLEN, "%s/%s", retbuf, bufp); + /* Copy and free buffer allocated by vn_fullpath(). + * If the current working directory was the same as + * the root directory, and the path was a relative + * pathname, do not separate the two components with + * the '/' character. + */ + snprintf(cpath, MAXPATHLEN, "%s%s%s", retbuf, + cisr ? "" : "/", bufp); free(freebuf, M_TEMP); } else cpath[0] = '\0'; |