Merge remote-tracking branch 'public/bug27893'

This commit is contained in:
Nick Mathewson 2018-10-01 12:12:33 -05:00
commit 43211c3a0c
6 changed files with 36 additions and 2 deletions

3
changes/bug27893 Normal file
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@ -0,0 +1,3 @@
o Minor bugfixes (memory leaks):
- Fix a small memory leak when calling Tor with --dump-config.
Fixes bug 27893; bugfix on 0.3.2.1-alpha.

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@ -827,6 +827,7 @@ static void config_maybe_load_geoip_files_(const or_options_t *options,
static int options_validate_cb(void *old_options, void *options,
void *default_options,
int from_setconf, char **msg);
static void options_free_cb(void *options);
static void cleanup_protocol_warning_severity_level(void);
static void set_protocol_warning_severity_level(int warning_severity);
@ -842,6 +843,7 @@ STATIC config_format_t options_format = {
option_deprecation_notes_,
option_vars_,
options_validate_cb,
options_free_cb,
NULL
};
@ -3152,6 +3154,13 @@ options_validate_cb(void *old_options, void *options, void *default_options,
return rv;
}
/** Callback to free an or_options_t */
static void
options_free_cb(void *options)
{
or_options_free_(options);
}
#define REJECT(arg) \
STMT_BEGIN *msg = tor_strdup(arg); return -1; STMT_END
#if defined(__GNUC__) && __GNUC__ <= 3

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@ -1009,8 +1009,9 @@ config_dump(const config_format_t *fmt, const void *default_options,
result = smartlist_join_strings(elements, "", 0, NULL);
SMARTLIST_FOREACH(elements, char *, cp, tor_free(cp));
smartlist_free(elements);
if (defaults_tmp)
config_free(fmt, defaults_tmp);
if (defaults_tmp) {
fmt->free_fn(defaults_tmp);
}
return result;
}

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@ -155,6 +155,9 @@ typedef struct config_var_t {
* of arguments. */
typedef int (*validate_fn_t)(void*,void*,void*,int,char**);
/** Callback to free a configuration object. */
typedef void (*free_cfg_fn_t)(void*);
/** Information on the keys, value types, key-to-struct-member mappings,
* variable descriptions, validation functions, and abbreviations for a
* configuration or storage format. */
@ -169,6 +172,7 @@ typedef struct config_format_t {
config_var_t *vars; /**< List of variables we recognize, their default
* values, and where we stick them in the structure. */
validate_fn_t validate_fn; /**< Function to validate config. */
free_cfg_fn_t free_fn; /**< Function to free the configuration. */
/** If present, extra is a LINELIST variable for unrecognized
* lines. Otherwise, unrecognized lines are an error. */
config_var_t *extra;

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@ -143,6 +143,8 @@ static int or_state_validate_cb(void *old_options, void *options,
void *default_options,
int from_setconf, char **msg);
static void or_state_free_cb(void *state);
/** Magic value for or_state_t. */
#define OR_STATE_MAGIC 0x57A73f57
@ -162,6 +164,7 @@ static const config_format_t state_format = {
NULL,
state_vars_,
or_state_validate_cb,
or_state_free_cb,
&state_extra_var,
};
@ -259,6 +262,12 @@ or_state_validate_cb(void *old_state, void *state, void *default_state,
return or_state_validate(state, msg);
}
static void
or_state_free_cb(void *state)
{
or_state_free_(state);
}
/** 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

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@ -63,6 +63,7 @@ DUMMY_TYPECHECK_INSTANCE(sr_disk_state_t);
static int
disk_state_validate_cb(void *old_state, void *state, void *default_state,
int from_setconf, char **msg);
static void disk_state_free_cb(void *);
/* Array of variables that are saved to disk as a persistent state. */
static config_var_t state_vars[] = {
@ -96,6 +97,7 @@ static const config_format_t state_format = {
NULL,
state_vars,
disk_state_validate_cb,
disk_state_free_cb,
&state_extra_var,
};
@ -342,6 +344,12 @@ disk_state_validate_cb(void *old_state, void *state, void *default_state,
return 0;
}
static void
disk_state_free_cb(void *state)
{
disk_state_free_(state);
}
/* 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