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[tor-commits] [tor/master] Make foo_validate() functions call config_validate().
commit dc6d7f072d7307c21df80b982c1d1f98130d3286
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date: Wed Oct 23 15:38:15 2019 -0400
Make foo_validate() functions call config_validate().
The former foo_validate() functions are now toplevel
legacy_validate_fn callbacks. The new foo_validate() functions now
call them.
This change lets us remove the old shared_random disk state
validation callback entirely.
---
scripts/maint/practracker/exceptions.txt | 2 +-
src/app/config/config.c | 37 ++++++++++++++++++-------------
src/app/config/statefile.c | 26 +++++++++++++---------
src/feature/dirauth/shared_random_state.c | 19 ----------------
src/lib/confmgt/confparse.c | 2 +-
5 files changed, 39 insertions(+), 47 deletions(-)
diff --git a/scripts/maint/practracker/exceptions.txt b/scripts/maint/practracker/exceptions.txt
index 054bbbdeb..f7bd8287e 100644
--- a/scripts/maint/practracker/exceptions.txt
+++ b/scripts/maint/practracker/exceptions.txt
@@ -38,7 +38,7 @@ problem include-count /src/app/config/config.c 89
problem function-size /src/app/config/config.c:options_act_reversible() 296
problem function-size /src/app/config/config.c:options_act() 589
problem function-size /src/app/config/config.c:resolve_my_address() 190
-problem function-size /src/app/config/config.c:options_validate() 1209
+problem function-size /src/app/config/config.c:options_validate_cb() 1209
problem function-size /src/app/config/config.c:options_init_from_torrc() 207
problem function-size /src/app/config/config.c:options_init_from_string() 113
problem function-size /src/app/config/config.c:options_init_logs() 145
diff --git a/src/app/config/config.c b/src/app/config/config.c
index 4e7720b0b..b372791a4 100644
--- a/src/app/config/config.c
+++ b/src/app/config/config.c
@@ -3239,13 +3239,20 @@ compute_publishserverdescriptor(or_options_t *options)
* */
#define RECOMMENDED_MIN_CIRCUIT_BUILD_TIMEOUT (10)
-static int
-options_validate_cb(const void *old_options, void *options, char **msg)
+/**
+ * Return 0 if every setting in <b>options</b> is reasonable, is a
+ * permissible transition from <b>old_options</b>, and none of the
+ * testing-only settings differ from <b>default_options</b> unless in
+ * testing mode. Else return -1. Should have no side effects, except for
+ * normalizing the contents of <b>options</b>.
+ *
+ * On error, tor_strdup an error explanation into *<b>msg</b>.
+ */
+STATIC int
+options_validate(const or_options_t *old_options, or_options_t *options,
+ char **msg)
{
- in_option_validation = 1;
- int rv = options_validate(old_options, options, msg);
- in_option_validation = 0;
- return rv;
+ return config_validate(get_options_mgr(), old_options, options, msg);
}
#define REJECT(arg) \
@@ -3431,18 +3438,16 @@ options_validate_single_onion(or_options_t *options, char **msg)
return 0;
}
-/** Return 0 if every setting in <b>options</b> is reasonable, is a
- * permissible transition from <b>old_options</b>, and none of the
- * testing-only settings differ from <b>default_options</b> unless in
- * testing mode. Else return -1. Should have no side effects, except for
- * normalizing the contents of <b>options</b>.
- *
- * On error, tor_strdup an error explanation into *<b>msg</b>.
+/**
+ * Legacy validation/normalization callback for or_options_t. See
+ * legacy_validate_fn_t for more information.
*/
-STATIC int
-options_validate(const or_options_t *old_options, or_options_t *options,
- char **msg)
+static int
+options_validate_cb(const void *old_options_, void *options_, char **msg)
{
+ const or_options_t *old_options = old_options_;
+ or_options_t *options = options_;
+
config_line_t *cl;
const char *uname = get_uname();
int n_ports=0;
diff --git a/src/app/config/statefile.c b/src/app/config/statefile.c
index e277e722c..d3a0ec179 100644
--- a/src/app/config/statefile.c
+++ b/src/app/config/statefile.c
@@ -265,16 +265,6 @@ validate_transports_in_state(or_state_t *state)
return 0;
}
-static int
-or_state_validate_cb(const void *old_state, void *state, char **msg)
-{
- /* We don't use these; only options do. Still, we need to match that
- * signature. */
- (void) old_state;
-
- return or_state_validate(state, msg);
-}
-
/** Return 0 if every setting in <b>state</b> is reasonable, and a
* permissible transition from <b>old_state</b>. Else warn and return -1.
* Should have no side effects, except for normalizing the contents of
@@ -283,6 +273,22 @@ or_state_validate_cb(const void *old_state, void *state, char **msg)
static int
or_state_validate(or_state_t *state, char **msg)
{
+ return config_validate(get_state_mgr(), NULL, state, msg);
+}
+
+/**
+ * Legacy validation/normalization callback for or_state_t. See
+ * legacy_validate_fn_t for more information.
+ */
+static int
+or_state_validate_cb(const void *old_state, void *state_, char **msg)
+{
+ /* There is not a meaningful concept of a state-to-state transition,
+ * since we do not reload the state after we start. */
+ (void) old_state;
+
+ or_state_t *state = state_;
+
if (entry_guards_parse_state(state, 0, msg)<0)
return -1;
diff --git a/src/feature/dirauth/shared_random_state.c b/src/feature/dirauth/shared_random_state.c
index eeb005d47..e548eb402 100644
--- a/src/feature/dirauth/shared_random_state.c
+++ b/src/feature/dirauth/shared_random_state.c
@@ -59,9 +59,6 @@ DUMMY_TYPECHECK_INSTANCE(sr_disk_state_t);
/** Our persistent state magic number. */
#define SR_DISK_STATE_MAGIC 0x98AB1254
-static int
-disk_state_validate_cb(const void *old_state, void *state, char **msg);
-
/** Array of variables that are saved to disk as a persistent state. */
static const config_var_t state_vars[] = {
V(Version, POSINT, "0"),
@@ -94,7 +91,6 @@ static const config_format_t state_format = {
offsetof(sr_disk_state_t, magic_),
},
.vars = state_vars,
- .legacy_validate_fn = disk_state_validate_cb,
.extra = &state_extra_var,
.config_suite_offset = -1,
};
@@ -339,21 +335,6 @@ disk_state_validate(const sr_disk_state_t *state)
return -1;
}
-/** Validate the disk state (NOP for now). */
-static int
-disk_state_validate_cb(const void *old_state, void *state, char **msg)
-{
- /* We don't use these; only options do. */
- (void) old_state;
-
- /* This is called by config_dump which is just before we are about to
- * write it to disk. At that point, our global memory state has been
- * copied to the disk state so it's fair to assume it's trustable. */
- (void) state;
- (void) msg;
- return 0;
-}
-
/** Parse the Commit line(s) in the disk state and translate them to the
* the memory state. Return 0 on success else -1 on error. */
static int
diff --git a/src/lib/confmgt/confparse.c b/src/lib/confmgt/confparse.c
index 6d272ed04..f1bec76c0 100644
--- a/src/lib/confmgt/confparse.c
+++ b/src/lib/confmgt/confparse.c
@@ -1239,7 +1239,7 @@ config_dump(const config_mgr_t *mgr, const void *default_options,
/* XXX use a 1 here so we don't add a new log line while dumping */
if (default_options == NULL) {
- if (fmt->legacy_validate_fn(NULL, defaults_tmp, &msg) < 0) {
+ if (config_validate(mgr, NULL, defaults_tmp, &msg) < 0) {
// LCOV_EXCL_START
log_err(LD_BUG, "Failed to validate default config: %s", msg);
tor_free(msg);
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