forked from lix-project/lix
* Move setuidCleanup() to libutil.
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@ -1,22 +0,0 @@
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/* Code shared between libmain and nix-setuid-helper. */
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extern char * * environ;
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namespace nix {
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void setuidCleanup()
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{
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/* Don't trust the environment. */
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environ = 0;
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/* Make sure that file descriptors 0, 1, 2 are open. */
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for (int fd = 0; fd <= 2; ++fd) {
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struct stat st;
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if (fstat(fd, &st) == -1) abort();
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}
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}
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}
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@ -14,9 +14,6 @@
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#include <aterm2.h>
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#include <aterm2.h>
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#include "setuid-common.hh"
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namespace nix {
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namespace nix {
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@ -17,6 +17,9 @@
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#include "util.hh"
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#include "util.hh"
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extern char * * environ;
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namespace nix {
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namespace nix {
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@ -818,6 +821,19 @@ void quickExit(int status)
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}
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}
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void setuidCleanup()
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{
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/* Don't trust the environment. */
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environ = 0;
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/* Make sure that file descriptors 0, 1, 2 are open. */
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for (int fd = 0; fd <= 2; ++fd) {
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struct stat st;
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if (fstat(fd, &st) == -1) abort();
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}
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}
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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@ -237,6 +237,10 @@ string runProgram(Path program);
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Cygwin, _exit() doesn't seem to do the right thing.) */
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Cygwin, _exit() doesn't seem to do the right thing.) */
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void quickExit(int status);
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void quickExit(int status);
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/* Common initialisation for setuid programs: clear the environment,
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sanitize file handles 0, 1 and 2. */
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void setuidCleanup();
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/* User interruption. */
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/* User interruption. */
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@ -12,11 +12,12 @@
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#include "util.hh"
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#include "util.hh"
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#include "../libmain/setuid-common.hh"
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using namespace nix;
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using namespace nix;
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extern char * * environ;
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/* Recursively change the ownership of `path' to user `uidTo' and
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/* Recursively change the ownership of `path' to user `uidTo' and
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group `gidTo'. `path' must currently be owned by user `uidFrom',
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group `gidTo'. `path' must currently be owned by user `uidFrom',
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or, if `uidFrom' is -1, by group `gidFrom'. */
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or, if `uidFrom' is -1, by group `gidFrom'. */
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