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9c5a7795ad
* Introduce testlib_extract() helper
* Have execve() escape double quotes in cmd.exe's preferred style
This makes it possible for us to use system() and popen() with paths
that redirect to filenames that contain spaces, e.g.
system("echo.com hello >\"hello there.txt\"")
It's difficult to solve this problem, because WIN32 only allows passing
one single argument when launching programs and each program is allowed
to tokenize that however it wants. Most software follows the convention
of cmd.exe which is poorly documented and positively byzantine.
In the future we're going to solve this by not using cmd.exe at all and
instead embedding the cocmd.com interpreter into the system() function.
In the meantime, our documentation has been updated to help recalibrate
any expectation the user might hold regarding the security of using the
Windows command interpreter.
Fixes #644
* Introduce double quote support in cocmd.com shell
* Add some tests for execve()
* Embed cocmd.com interpreter for system() / open()
This change lets you use system() in an easier and portable way. The
problem with the call in the past has always been that bourne and
cmd.com on Windows have less than nothing in common, so pretty much the
only command system() could be used for across platforms was maybe echo.
cmd.exe is also a security liability due to its escaping rules.
Since cocmd.com implements 85% of what we need from bourne, in a really
tiny way, it makes perfect sense to be embedded in these functionss. We
get a huge performance boost too.
Fixes #644
* Support whitespace after cocmd output redirection
Co-authored-by: Justine Tunney <jtunney@gmail.com>
31 lines
1,020 B
C
31 lines
1,020 B
C
#ifndef COSMOPOLITAN_LIBC_PATHS_H_
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#define COSMOPOLITAN_LIBC_PATHS_H_
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#define _PATH_DEFPATH "/usr/local/bin:/bin:/usr/bin"
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#define _PATH_STDPATH "/bin:/usr/bin:/sbin:/usr/sbin"
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#define _PATH_BSHELL "/bin/sh"
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#define _PATH_CONSOLE "/dev/console"
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#define _PATH_DEVNULL "/dev/null"
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#define _PATH_KLOG "/proc/kmsg"
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#define _PATH_LASTLOG "/var/log/lastlog"
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#define _PATH_MAILDIR "/var/mail"
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#define _PATH_MAN "/usr/share/man"
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#define _PATH_MNTTAB "/etc/fstab"
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#define _PATH_MOUNTED "/etc/mtab"
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#define _PATH_NOLOGIN "/etc/nologin"
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#define _PATH_SENDMAIL "/usr/sbin/sendmail"
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#define _PATH_SHADOW "/etc/shadow"
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#define _PATH_SHELLS "/etc/shells"
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#define _PATH_TTY "/dev/tty"
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#define _PATH_UTMP "/dev/null/utmp"
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#define _PATH_VI "/usr/bin/vi"
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#define _PATH_WTMP "/dev/null/wtmp"
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#define _PATH_DEV "/dev/"
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#define _PATH_TMP "/tmp/"
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#define _PATH_VARDB "/var/lib/misc/"
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#define _PATH_VARRUN "/var/run/"
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#define _PATH_VARTMP "/var/tmp/"
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#endif /* COSMOPOLITAN_LIBC_PATHS_H_ */
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