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authorLaurent Bercot <ska-skaware@skarnet.org>2020-11-21 02:22:09 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2020-11-21 02:22:09 +0000
commit5c2880becc94141b8035b3488b6bd60696011308 (patch)
tree51e177122b50e248075dae441e4a76d68fd33081 /src/conn-tools
parent5715c21a077ee1c2fe8957cb4adcea14fd2eda6b (diff)
downloads6-networking-5c2880becc94141b8035b3488b6bd60696011308.tar.xz
Privs can only be dropped after reading key files.
Diffstat (limited to 'src/conn-tools')
-rw-r--r--src/conn-tools/deps-lib/s6tls1
-rw-r--r--src/conn-tools/s6-tlsc.c1
-rw-r--r--src/conn-tools/s6-tlsd.c1
-rw-r--r--src/conn-tools/s6-ucspitlsd.c1
-rw-r--r--src/conn-tools/s6tls-internal.h1
-rw-r--r--src/conn-tools/s6tls_drop.c24
6 files changed, 0 insertions, 29 deletions
diff --git a/src/conn-tools/deps-lib/s6tls b/src/conn-tools/deps-lib/s6tls
index ad78cfd..ce4f507 100644
--- a/src/conn-tools/deps-lib/s6tls
+++ b/src/conn-tools/deps-lib/s6tls
@@ -1,4 +1,3 @@
-s6tls_drop.o
s6tls_exec_tlscio.o
s6tls_exec_tlsdio.o
s6tls_wait_and_exec_app.o
diff --git a/src/conn-tools/s6-tlsc.c b/src/conn-tools/s6-tlsc.c
index 6431ccb..5a15315 100644
--- a/src/conn-tools/s6-tlsc.c
+++ b/src/conn-tools/s6-tlsc.c
@@ -21,7 +21,6 @@ static void child (int const p[3][2], int fdr, int fdw, uint32_t options, unsign
{
int fds[3] = { p[0][0], p[1][1], p[2][1] } ;
PROG = "s6-tlsc (child)" ;
- s6tls_drop() ;
close(p[2][0]) ;
close(p[0][1]) ;
close(p[1][0]) ;
diff --git a/src/conn-tools/s6-tlsd.c b/src/conn-tools/s6-tlsd.c
index e26ba49..e048a49 100644
--- a/src/conn-tools/s6-tlsd.c
+++ b/src/conn-tools/s6-tlsd.c
@@ -23,7 +23,6 @@ static void child (int const p[3][2], uint32_t options, unsigned int verbosity,
close(p[2][0]) ;
close(p[0][1]) ;
close(p[1][0]) ;
- s6tls_drop() ;
s6tls_exec_tlsdio(fds, options, verbosity, kimeout) ;
}
diff --git a/src/conn-tools/s6-ucspitlsd.c b/src/conn-tools/s6-ucspitlsd.c
index ae2ca41..2ce24ba 100644
--- a/src/conn-tools/s6-ucspitlsd.c
+++ b/src/conn-tools/s6-ucspitlsd.c
@@ -29,7 +29,6 @@ static inline void child (int p[3][2], uint32_t options, unsigned int verbosity,
close(p[2][0]) ;
close(p[0][1]) ;
close(p[1][0]) ;
- s6tls_drop() ;
r = read(p[2][1], &c, 1) ;
if (r < 0) strerr_diefu1sys(111, "read from control socket") ;
if (!r) _exit(0) ;
diff --git a/src/conn-tools/s6tls-internal.h b/src/conn-tools/s6tls-internal.h
index 48df60f..be22e25 100644
--- a/src/conn-tools/s6tls-internal.h
+++ b/src/conn-tools/s6tls-internal.h
@@ -10,7 +10,6 @@
#define s6tls_envvars "CADIR\0CAFILE\0KEYFILE\0CERTFILE\0TLS_UID\0TLS_GID"
-extern void s6tls_drop (void) ;
extern void s6tls_exec_tlscio (int const *, uint32_t, unsigned int, unsigned int, char const *) gccattr_noreturn ;
extern void s6tls_exec_tlsdio (int const *, uint32_t, unsigned int, unsigned int) gccattr_noreturn ;
extern void s6tls_wait_and_exec_app (char const *const *, int const [3][2], pid_t, int, int, uint32_t) gccattr_noreturn ;
diff --git a/src/conn-tools/s6tls_drop.c b/src/conn-tools/s6tls_drop.c
deleted file mode 100644
index 6b6f67f..0000000
--- a/src/conn-tools/s6tls_drop.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/* ISC license. */
-
-#include <unistd.h>
-#include <stdlib.h>
-
-#include <skalibs/strerr2.h>
-#include <skalibs/types.h>
-
-#include "s6tls-internal.h"
-
-void s6tls_drop (void)
-{
- if (!getuid())
- {
- uid_t uid ;
- gid_t gid ;
- char const *x = getenv("TLS_UID") ;
- if (x && !uid0_scan(x, &uid)) strerr_dieinvalid(100, "TLS_UID") ;
- x = getenv("TLS_GID") ;
- if (x && !gid0_scan(x, &gid)) strerr_dieinvalid(100, "TLS_GID") ;
- if (gid && setgid(gid) < 0) strerr_diefu1sys(111, "setgid") ;
- if (uid && setuid(uid) < 0) strerr_diefu1sys(111, "setuid") ;
- }
-}