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openssh-portable
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revision 1.18
date: 2014/10/19 03:56:28;  author: doug;  state: Exp;  lines: +9 -9;  commitid: U6QxmtbXrGoc02S5;
Revert last commit due to changed semantics found by make release.
This commit is contained in:
Damien Miller 2015-10-14 08:27:08 +11:00
parent c39ad23b06
commit c71be375a6
1 changed files with 10 additions and 10 deletions
openbsd-compat
realpath.c

20
openbsd-compat/realpath.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: realpath.c,v 1.17 2014/10/18 20:43:52 doug Exp $ */
/* $OpenBSD: realpath.c,v 1.18 2014/10/19 03:56:28 doug Exp $ */
/*
* Copyright (c) 2003 Constantin S. Svintsoff <kostik@iclub.nsu.ru>
*
@ -62,10 +62,6 @@ realpath(const char *path, char *resolved)
int serrno, slen, mem_allocated;
char left[PATH_MAX], next_token[PATH_MAX], symlink[PATH_MAX];
if (path == NULL) {
errno = EINVAL;
return (NULL);
}
if (path[0] == '\0') {
errno = ENOENT;
return (NULL);
@ -151,15 +147,22 @@ realpath(const char *path, char *resolved)
}
/*
* Append the next path component and lstat() it.
* Append the next path component and lstat() it. If
* lstat() fails we still can return successfully if
* there are no more path components left.
*/
resolved_len = strlcat(resolved, next_token, PATH_MAX);
if (resolved_len >= PATH_MAX) {
errno = ENAMETOOLONG;
goto err;
}
if (lstat(resolved, &sb) != 0)
if (lstat(resolved, &sb) != 0) {
if (errno == ENOENT && p == NULL) {
errno = serrno;
return (resolved);
}
goto err;
}
if (S_ISLNK(sb.st_mode)) {
if (symlinks++ > MAXSYMLINKS) {
errno = ELOOP;
@ -202,9 +205,6 @@ realpath(const char *path, char *resolved)
}
}
left_len = strlcpy(left, symlink, sizeof(left));
} else if (!S_ISDIR(sb.st_mode) && p != NULL) {
errno = ENOTDIR;
goto err;
}
}