JehanneOS/mksh
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• access(2) is broken in at least kFreeBSD 9.0 as “modern” OS, so bring

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back the wrapper code as well as refactor most other code calling it
• apparently, names can’t end in ‘_’ or contain ‘__’ anywhere…
This commit is contained in:
tg
2011-09-07 15:24:22 +00:00
parent 577c918beb
commit 9782f6b4d1
16 changed files with 326 additions and 332 deletions
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21
expr.c
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@ -22,7 +22,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/expr.c,v 1.48 2011/08/27 18:06:44 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/expr.c,v 1.49 2011/09/07 15:24:14 tg Exp $");
/* The order of these enums is constrained by the order of opinfo[] */
enum token {
@ -913,3 +913,22 @@ utf_wcwidth(unsigned int c)
}
/* --- end of wcwidth.c excerpt --- */
#endif
/*
* Wrapper around access(2) because it says root can execute everything
* on some operating systems. Does not set errno, no user needs it. Use
* this iff mode can have the X_OK bit set, access otherwise.
*/
int
ksh_access(const char *fn, int mode)
{
int rv;
struct stat sb;
if ((rv = access(fn, mode)) == 0 && kshuid == 0 && (mode & X_OK) &&
(rv = stat(fn, &sb)) == 0 && !S_ISDIR(sb.st_mode) &&
(sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0)
rv = -1;
return (rv);
}