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Diffstat (limited to 'src/daemontools-extras/s6-setuidgid.c')
-rw-r--r--src/daemontools-extras/s6-setuidgid.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/src/daemontools-extras/s6-setuidgid.c b/src/daemontools-extras/s6-setuidgid.c
index d2e7361..cc7f21a 100644
--- a/src/daemontools-extras/s6-setuidgid.c
+++ b/src/daemontools-extras/s6-setuidgid.c
@@ -1,30 +1,26 @@
/* ISC license. */
-#include <unistd.h>
-#include <skalibs/bytestr.h>
-#include <skalibs/uint.h>
#include <skalibs/strerr2.h>
#include <skalibs/djbunix.h>
+#include <s6/config.h>
#define USAGE "s6-setuidgid username prog..."
#define dieusage() strerr_dieusage(100, USAGE)
int main (int argc, char const *const *argv, char const *const *envp)
{
- unsigned int pos ;
+ char const *newargv[argc + 4] ;
+ unsigned int m = 5 ;
PROG = "s6-setuidgid" ;
if (argc < 3) dieusage() ;
- pos = str_chr(argv[1], ':') ;
- if (argv[1][pos])
- {
- unsigned int uid = 0, gid = 0, len = uint_scan(argv[1], &uid) ;
- if (len != pos) dieusage() ;
- if (argv[1][pos+1] && !uint0_scan(argv[1]+pos+1, &gid)) dieusage() ;
- if (gid && setgid(gid)) strerr_diefu1sys(111, "setgid") ;
- if (uid && setuid(uid)) strerr_diefu1sys(111, "setuid") ;
- }
- else if (!prot_setuidgid(argv[1]))
- strerr_diefu2sys(111, "change identity to ", argv[1]) ;
- pathexec_run(argv[2], argv+2, envp) ;
- strerr_dieexec(111, argv[2]) ;
+ argv++ ;
+ newargv[0] = S6_BINPREFIX "s6-envuidgid" ;
+ newargv[1] = *argv++ ;
+ newargv[2] = S6_BINPREFIX "s6-applyuidgid" ;
+ newargv[3] = "-Uz" ;
+ newargv[4] = "--" ;
+ while (*argv) newargv[m++] = *argv++ ;
+ newargv[m++] = 0 ;
+ pathexec_run(newargv[0], newargv, envp) ;
+ strerr_dieexec(111, newargv[0]) ;
}