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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 32498] New: - R_OK required by exec*() checks
Date Thu, 02 Dec 2004 17:06:52 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=32498

           Summary: R_OK required by exec*() checks
           Product: APR
           Version: HEAD
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: APR
        AssignedTo: bugs@httpd.apache.org
        ReportedBy: david@edeca.net


In threadproc/unix/proc.c, checks require the flag R_OK to be set for exec*() to
succeed.  This is the case when they are interpreted scripts but not for
binaries.  This has been causing trouble on a machine with Apache2 and suPHP, as
the suPHP binary is set to -rws--x--x.  This has been discussed in a thread on
the suPHP mailing lists at
http://lists.marsching.biz/pipermail/suphp/2004-December/000599.html.

If the R_OK flag is removed from "if (access(progname, R_OK|X_OK) == -1) {", the
suPHP binary is run successfully.  However, this would likely break
compatibility with executable scripts as they do require +r permissions in order
to run.

This bug is very similar to
http://issues.apache.org/bugzilla/show_bug.cgi?id=30137, but differs in that
there are cases where R_OK is needed.

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