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-rw-r--r--src/capabilities.c14
-rw-r--r--src/config.l1
-rw-r--r--src/config.y13
-rw-r--r--src/fastd.c4
-rw-r--r--src/fastd.h2
5 files changed, 1 insertions, 33 deletions
diff --git a/src/capabilities.c b/src/capabilities.c
index 415cce6..5ad2e45 100644
--- a/src/capabilities.c
+++ b/src/capabilities.c
@@ -72,17 +72,6 @@ void fastd_cap_init(fastd_context_t *ctx) {
try_cap(ctx, CAP_NET_RAW);
}
-void fastd_cap_lock(fastd_context_t *ctx) {
- if (prctl(PR_SET_SECUREBITS,
- SECBIT_KEEP_CAPS_LOCKED |
- SECBIT_NO_SETUID_FIXUP |
- SECBIT_NO_SETUID_FIXUP_LOCKED |
- SECBIT_NOROOT |
- SECBIT_NOROOT_LOCKED) < 0) {
- pr_debug_errno(ctx, "prctl");
- }
-}
-
void fastd_cap_drop(fastd_context_t *ctx) {
cap_t caps = cap_init();
@@ -103,9 +92,6 @@ void fastd_cap_drop(fastd_context_t *ctx) {
void fastd_cap_init(fastd_context_t *ctx) {
}
-void fastd_cap_lock(fastd_context_t *ctx) {
-}
-
void fastd_cap_drop(fastd_context_t *ctx) {
}
diff --git a/src/config.l b/src/config.l
index 1881575..04cc6b0 100644
--- a/src/config.l
+++ b/src/config.l
@@ -105,7 +105,6 @@ group { TOKEN(TOK_GROUP); }
drop { TOKEN(TOK_DROP); }
capabilities { TOKEN(TOK_CAPABILITIES); }
early { TOKEN(TOK_EARLY); }
-lock { TOKEN(TOK_LOCK); }
limit { TOKEN(TOK_LIMIT); }
[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} {
diff --git a/src/config.y b/src/config.y
index 5794124..27fec71 100644
--- a/src/config.y
+++ b/src/config.y
@@ -105,7 +105,6 @@
%token TOK_DROP
%token TOK_CAPABILITIES
%token TOK_EARLY
-%token TOK_LOCK
%token TOK_LIMIT
%token <addr4> TOK_ADDR4
@@ -135,7 +134,6 @@
%type <num> maybe_bind_default
%type <num> bind_default
%type <num> drop_capabilities_enabled
-%type <boolean> drop_capabilities_lock
%%
start: START_CONFIG config
@@ -190,9 +188,8 @@ group: TOK_STRING {
}
drop_capabilities:
- drop_capabilities_enabled drop_capabilities_lock {
+ drop_capabilities_enabled {
conf->drop_caps = $1;
- conf->lock_caps = $2;
}
drop_capabilities_enabled:
@@ -203,14 +200,6 @@ drop_capabilities_enabled:
$$ = $1 ? DROP_CAPS_ON : DROP_CAPS_OFF;
}
-drop_capabilities_lock:
- TOK_LOCK {
- $$ = true;
- }
- | {
- $$ = false;
- }
-
log: TOK_LEVEL log_level {
conf->log_stderr_level = $2;
}
diff --git a/src/fastd.c b/src/fastd.c
index b7a7a83..22d64b9 100644
--- a/src/fastd.c
+++ b/src/fastd.c
@@ -1050,11 +1050,7 @@ static void set_user(fastd_context_t *ctx) {
}
static void drop_caps(fastd_context_t *ctx) {
- if (ctx->conf->lock_caps)
- fastd_cap_lock(ctx);
-
set_user(ctx);
-
fastd_cap_drop(ctx);
}
diff --git a/src/fastd.h b/src/fastd.h
index dc24579..df84c97 100644
--- a/src/fastd.h
+++ b/src/fastd.h
@@ -196,7 +196,6 @@ struct fastd_config {
bool forward;
fastd_drop_caps_t drop_caps;
- bool lock_caps;
char *user;
char *group;
@@ -325,7 +324,6 @@ void fastd_configure(fastd_context_t *ctx, fastd_config_t *conf, int argc, char
void fastd_reconfigure(fastd_context_t *ctx, fastd_config_t *conf);
void fastd_cap_init(fastd_context_t *ctx);
-void fastd_cap_lock(fastd_context_t *ctx);
void fastd_cap_drop(fastd_context_t *ctx);
void fastd_random_bytes(fastd_context_t *ctx, void *buffer, size_t len, bool secure);