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Add new warn_deprecated option to config_assign*().

Browse Source 
Also, collapse all the config_assign*() options into a flags
argument, since having two boolean arguments was already confusing.
This commit is contained in:
Nick Mathewson 2016-08-03 12:52:26 -04:00
parent f3314aa6e1
commit f5dcab8072
8 changed files with 40 additions and 29 deletions
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14
src/or/config.c
View File

@ -2186,14 +2186,13 @@ option_get_assignment(const or_options_t *options, const char *key)
* what went wrong.
*/
setopt_err_t
options_trial_assign(config_line_t *list, int use_defaults,
int clear_first, char **msg)
options_trial_assign(config_line_t *list, unsigned flags, char **msg)
{
int r;
or_options_t *trial_options = config_dup(&options_format, get_options());
if ((r=config_assign(&options_format, trial_options,
list, use_defaults, clear_first, msg)) < 0) {
list, flags, msg)) < 0) {
config_free(&options_format, trial_options);
return r;
}
@ -4899,7 +4898,8 @@ options_init_from_string(const char *cf_defaults, const char *cf,
err = SETOPT_ERR_PARSE;
goto err;
}
retval = config_assign(&options_format, newoptions, cl, 0, 0, msg);
retval = config_assign(&options_format, newoptions, cl,
CAL_WARN_DEPRECATIONS, msg);
config_free_lines(cl);
if (retval < 0) {
err = SETOPT_ERR_PARSE;
@ -4915,7 +4915,7 @@ options_init_from_string(const char *cf_defaults, const char *cf,
/* Go through command-line variables too */
retval = config_assign(&options_format, newoptions,
global_cmdline_options, 0, 0, msg);
global_cmdline_options, CAL_WARN_DEPRECATIONS, msg);
if (retval < 0) {
err = SETOPT_ERR_PARSE;
goto err;
@ -4963,7 +4963,7 @@ options_init_from_string(const char *cf_defaults, const char *cf,
err = SETOPT_ERR_PARSE;
goto err;
}
retval = config_assign(&options_format, newoptions, cl, 0, 0, msg);
retval = config_assign(&options_format, newoptions, cl, 0, msg);
config_free_lines(cl);
if (retval < 0) {
err = SETOPT_ERR_PARSE;
@ -4974,7 +4974,7 @@ options_init_from_string(const char *cf_defaults, const char *cf,
}
/* Assign command-line variables a second time too */
retval = config_assign(&options_format, newoptions,
global_cmdline_options, 0, 0, msg);
global_cmdline_options, 0, msg);
if (retval < 0) {
err = SETOPT_ERR_PARSE;
goto err;

4
src/or/config.h
View File

@ -29,8 +29,8 @@ const char *escaped_safe_str_client(const char *address);
const char *escaped_safe_str(const char *address);
const char *get_version(void);
const char *get_short_version(void);
setopt_err_t options_trial_assign(config_line_t *list, int use_defaults,
int clear_first, char **msg);
setopt_err_t options_trial_assign(config_line_t *list, unsigned flags,
char **msg);
uint32_t get_last_resolved_addr(void);
void reset_last_resolved_addr(void);

24
src/or/confparse.c
View File

@ -504,9 +504,12 @@ warn_deprecated_option(const char *what, const char *why)
*/
static int
config_assign_line(const config_format_t *fmt, void *options,
config_line_t *c, int use_defaults,
int clear_first, bitarray_t *options_seen, char **msg)
config_line_t *c, unsigned flags,
bitarray_t *options_seen, char **msg)
{
const unsigned use_defaults = flags & CAL_USE_DEFAULTS;
const unsigned clear_first = flags & CAL_CLEAR_FIRST;
const unsigned warn_deprecations = flags & CAL_WARN_DEPRECATIONS;
const config_var_t *var;
CONFIG_CHECK(fmt, options);
@ -532,8 +535,9 @@ config_assign_line(const config_format_t *fmt, void *options,
c->key = tor_strdup(var->name);
}
const char *deprecation_msg = config_find_deprecation(fmt, var->name);
if (deprecation_msg) {
const char *deprecation_msg;
if (warn_deprecations &&
(deprecation_msg = config_find_deprecation(fmt, var->name))) {
warn_deprecated_option(var->name, deprecation_msg);
}
@ -639,7 +643,7 @@ config_lines_dup(const config_line_t *inp)
* escape that value. Return NULL if no such key exists. */
config_line_t *
config_get_assigned_option(const config_format_t *fmt, const void *options,
const char *key, int escape_val)
const char *key, int escape_val)
{
const config_var_t *var;
const void *value;
@ -839,11 +843,13 @@ options_trial_assign() calls config_assign(1, 1)
*/
int
config_assign(const config_format_t *fmt, void *options, config_line_t *list,
int use_defaults, int clear_first, char **msg)
unsigned config_assign_flags, char **msg)
{
config_line_t *p;
bitarray_t *options_seen;
const int n_options = config_count_options(fmt);
const unsigned clear_first = config_assign_flags & CAL_CLEAR_FIRST;
const unsigned use_defaults = config_assign_flags & CAL_USE_DEFAULTS;
CONFIG_CHECK(fmt, options);
@ -867,8 +873,8 @@ config_assign(const config_format_t *fmt, void *options, config_line_t *list,
/* pass 3: assign. */
while (list) {
int r;
if ((r=config_assign_line(fmt, options, list, use_defaults,
clear_first, options_seen, msg))) {
if ((r=config_assign_line(fmt, options, list, config_assign_flags,
options_seen, msg))) {
bitarray_free(options_seen);
return r;
}
@ -1064,7 +1070,7 @@ config_dup(const config_format_t *fmt, const void *old)
line = config_get_assigned_option(fmt, old, fmt->vars[i].name, 0);
if (line) {
char *msg = NULL;
if (config_assign(fmt, newopts, line, 0, 0, &msg) < 0) {
if (config_assign(fmt, newopts, line, 0, &msg) < 0) {
log_err(LD_BUG, "config_get_assigned_option() generated "
"something we couldn't config_assign(): %s", msg);
tor_free(msg);

6
src/or/confparse.h
View File

@ -98,6 +98,10 @@ typedef struct config_format_t {
*(uint32_t*)STRUCT_VAR_P(cfg,fmt->magic_offset)); \
STMT_END
#define CAL_USE_DEFAULTS (1u<<0)
#define CAL_CLEAR_FIRST (1u<<1)
#define CAL_WARN_DEPRECATIONS (1u<<2)
void *config_new(const config_format_t *fmt);
void config_line_append(config_line_t **lst,
const char *key, const char *val);
@ -120,7 +124,7 @@ char *config_dump(const config_format_t *fmt, const void *default_options,
int comment_defaults);
int config_assign(const config_format_t *fmt, void *options,
config_line_t *list,
int use_defaults, int clear_first, char **msg);
unsigned flags, char **msg);
config_var_t *config_find_option_mutable(config_format_t *fmt,
const char *key);
const config_var_t *config_find_option(const config_format_t *fmt,

5
src/or/control.c
View File

@ -871,7 +871,8 @@ control_setconf_helper(control_connection_t *conn, uint32_t len, char *body,
config_line_t *lines=NULL;
char *start = body;
char *errstring = NULL;
const int clear_first = 1;
const unsigned flags =
CAL_CLEAR_FIRST | (use_defaults ? CAL_USE_DEFAULTS : 0);
char *config;
smartlist_t *entries = smartlist_new();
@ -931,7 +932,7 @@ control_setconf_helper(control_connection_t *conn, uint32_t len, char *body,
}
tor_free(config);
opt_err = options_trial_assign(lines, use_defaults, clear_first, &errstring);
opt_err = options_trial_assign(lines, flags, &errstring);
{
const char *msg;
switch (opt_err) {

2
src/or/shared_random_state.c
View File

@ -701,7 +701,7 @@ disk_state_load_from_disk_impl(const char *fname)
}
disk_state = disk_state_new(time(NULL));
config_assign(&state_format, disk_state, lines, 0, 0, &errmsg);
config_assign(&state_format, disk_state, lines, 0, &errmsg);
config_free_lines(lines);
if (errmsg) {
log_warn(LD_DIR, "SR: Reading state error: %s", errmsg);

2
src/or/statefile.c
View File

@ -350,7 +350,7 @@ or_state_load(void)
if (config_get_lines(contents, &lines, 0)<0)
goto done;
assign_retval = config_assign(&state_format, new_state,
lines, 0, 0, &errmsg);
lines, 0, &errmsg);
config_free_lines(lines);
if (assign_retval<0)
badstate = 1;

12
src/test/test_options.c
View File

@ -121,7 +121,7 @@ test_options_validate_impl(const char *configuration,
r = config_get_lines(configuration, &cl, 1);
tt_int_op(r, OP_EQ, 0);
r = config_assign(&options_format, opt, cl, 0, 0, &msg);
r = config_assign(&options_format, opt, cl, 0, &msg);
tt_int_op(r, OP_EQ, 0);
r = options_validate(NULL, opt, dflt, 0, &msg);
@ -223,7 +223,7 @@ test_have_enough_mem_for_dircache(void *arg)
r = config_get_lines(configuration, &cl, 1);
tt_int_op(r, OP_EQ, 0);
r = config_assign(&options_format, opt, cl, 0, 0, &msg);
r = config_assign(&options_format, opt, cl, 0, &msg);
tt_int_op(r, OP_EQ, 0);
/* 300 MB RAM available, DirCache enabled */
@ -246,7 +246,7 @@ test_have_enough_mem_for_dircache(void *arg)
r = config_get_lines(configuration, &cl, 1);
tt_int_op(r, OP_EQ, 0);
r = config_assign(&options_format, opt, cl, 0, 0, &msg);
r = config_assign(&options_format, opt, cl, 0, &msg);
tt_int_op(r, OP_EQ, 0);
/* 300 MB RAM available, DirCache enabled, Bridge */
@ -269,7 +269,7 @@ test_have_enough_mem_for_dircache(void *arg)
r = config_get_lines(configuration, &cl, 1);
tt_int_op(r, OP_EQ, 0);
r = config_assign(&options_format, opt, cl, 0, 0, &msg);
r = config_assign(&options_format, opt, cl, 0, &msg);
tt_int_op(r, OP_EQ, 0);
/* 200 MB RAM available, DirCache disabled */
@ -354,7 +354,7 @@ get_options_test_data(const char *conf)
result->def_opt = options_new();
rv = config_get_lines(conf, &cl, 1);
tt_assert(rv == 0);
rv = config_assign(&options_format, result->opt, cl, 0, 0, &msg);
rv = config_assign(&options_format, result->opt, cl, 0, &msg);
if (msg) {
/* Display the parse error message by comparing it with an empty string */
tt_str_op(msg, OP_EQ, "");
@ -365,7 +365,7 @@ get_options_test_data(const char *conf)
result->opt->TokenBucketRefillInterval = 1;
rv = config_get_lines(TEST_OPTIONS_OLD_VALUES, &cl, 1);
tt_assert(rv == 0);
rv = config_assign(&options_format, result->def_opt, cl, 0, 0, &msg);
rv = config_assign(&options_format, result->def_opt, cl, 0, &msg);
if (msg) {
/* Display the parse error message by comparing it with an empty string */
tt_str_op(msg, OP_EQ, "");