nihilist/tor
1
0
Fork 0
mirror of https://gitlab.torproject.org/tpo/core/tor.git synced 2024-09-21 13:34:59 +02:00
Code Issues Packages Projects Releases Wiki Activity

also send syntax and parse errors back to the controller.

Browse Source 
svn:r6242
This commit is contained in:
Roger Dingledine 2006-03-26 08:09:19 +00:00
parent b899b9592a
commit e1c8e3ca6e
1 changed files with 53 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
src/or/config.c
View File

@ -1037,9 +1037,10 @@ config_find_option(config_format_t *fmt, const char *key)
*/
static int
config_assign_value(config_format_t *fmt, or_options_t *options,
config_line_t *c)
config_line_t *c, char **msg)
{
int i, ok;
int i, r, ok;
char buf[1024];
config_var_t *var;
void *lvalue;
@ -1055,9 +1056,10 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
case CONFIG_TYPE_UINT:
i = tor_parse_long(c->value, 10, 0, INT_MAX, &ok, NULL);
if (!ok) {
log(LOG_WARN, LD_CONFIG,
r = tor_snprintf(buf, sizeof(buf),
"Int keyword '%s %s' is malformed or out of bounds.",
c->key, c->value);
*msg = tor_strdup(r >= 0 ? buf : "internal error");
return -1;
}
*(int *)lvalue = i;
@ -1066,6 +1068,10 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
case CONFIG_TYPE_INTERVAL: {
i = config_parse_interval(c->value, &ok);
if (!ok) {
r = tor_snprintf(buf, sizeof(buf),
"Interval '%s %s' is malformed or out of bounds.",
c->key, c->value);
*msg = tor_strdup(r >= 0 ? buf : "internal error");
return -1;
}
*(int *)lvalue = i;
@ -1075,6 +1081,10 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
case CONFIG_TYPE_MEMUNIT: {
uint64_t u64 = config_parse_memunit(c->value, &ok);
if (!ok) {
r = tor_snprintf(buf, sizeof(buf),
"Value '%s %s' is malformed or out of bounds.",
c->key, c->value);
*msg = tor_strdup(r >= 0 ? buf : "internal error");
return -1;
}
*(uint64_t *)lvalue = u64;
@ -1084,7 +1094,10 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
case CONFIG_TYPE_BOOL:
i = tor_parse_long(c->value, 10, 0, 1, &ok, NULL);
if (!ok) {
log(LOG_WARN, LD_CONFIG, "Boolean keyword '%s' expects 0 or 1.", c->key);
r = tor_snprintf(buf, sizeof(buf),
"Boolean '%s %s' expects 0 or 1.",
c->key, c->value);
*msg = tor_strdup(r >= 0 ? buf : "internal error");
return -1;
}
*(int *)lvalue = i;
@ -1101,8 +1114,9 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
case CONFIG_TYPE_ISOTIME:
if (parse_iso_time(c->value, (time_t *)lvalue)) {
log(LOG_WARN, LD_CONFIG,
r = tor_snprintf(buf, sizeof(buf),
"Invalid time '%s' for keyword '%s'", c->value, c->key);
*msg = tor_strdup(r >= 0 ? buf : "internal error");
return -1;
}
break;
@ -1128,7 +1142,9 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
log_warn(LD_CONFIG, "Skipping obsolete configuration option '%s'", c->key);
break;
case CONFIG_TYPE_LINELIST_V:
log_warn(LD_CONFIG, "Can't provide value for virtual option '%s'", c->key);
r = tor_snprintf(buf, sizeof(buf),
"You may not provide a value for virtual option '%s'", c->key);
*msg = tor_strdup(r >= 0 ? buf : "internal error");
return -1;
default:
tor_assert(0);
@ -1148,7 +1164,8 @@ config_assign_value(config_format_t *fmt, or_options_t *options,
*/
static int
config_assign_line(config_format_t *fmt, or_options_t *options,
config_line_t *c, int use_defaults, int clear_first)
config_line_t *c, int use_defaults,
int clear_first, char **msg)
{
config_var_t *var;
@ -1163,7 +1180,10 @@ config_assign_line(config_format_t *fmt, or_options_t *options,
config_line_append((config_line_t**)lvalue, c->key, c->value);
return 0;
} else {
log_warn(LD_CONFIG, "Unknown option '%s'. Failing.", c->key);
char buf[1024];
int tmp = tor_snprintf(buf, sizeof(buf),
"Unknown option '%s'. Failing.", c->key);
*msg = tor_strdup(tmp >= 0 ? buf : "internal error");
return -1;
}
}
@ -1189,7 +1209,7 @@ config_assign_line(config_format_t *fmt, or_options_t *options,
return 0;
}
if (config_assign_value(fmt, options, c) < 0)
if (config_assign_value(fmt, options, c, msg) < 0)
return -2;
return 0;
}
@ -1348,7 +1368,7 @@ get_assigned_option(config_format_t *fmt, or_options_t *options,
/** Iterate through the linked list of requested options <b>list</b>.
* For each item, convert as appropriate and assign to <b>options</b>.
* If an item is unrecognized, return -1 immediately,
* If an item is unrecognized, set *msg and return -1 immediately,
* else return 0 for success.
*
* If <b>clear_first</b>, interpret config options as replacing (not
@ -1403,8 +1423,8 @@ options_trial_assign() calls config_assign(1, 1)
returns.
*/
static int
config_assign(config_format_t *fmt, void *options,
config_line_t *list, int use_defaults, int clear_first)
config_assign(config_format_t *fmt, void *options, config_line_t *list,
int use_defaults, int clear_first, char **msg)
{
config_line_t *p;
@ -1429,7 +1449,8 @@ config_assign(config_format_t *fmt, void *options,
/* pass 3: assign. */
while (list) {
int r;
if ((r=config_assign_line(fmt, options, list, use_defaults, clear_first)))
if ((r=config_assign_line(fmt, options, list, use_defaults,
clear_first, msg)))
return r;
list = list->next;
}
@ -1453,9 +1474,8 @@ options_trial_assign(config_line_t *list, int use_defaults,
or_options_t *trial_options = options_dup(&options_format, get_options());
if ((r=config_assign(&options_format, trial_options,
list, use_defaults, clear_first)) < 0) {
list, use_defaults, clear_first, msg)) < 0) {
config_free(&options_format, trial_options);
*msg = tor_strdup("Failed to parse options. See logs for details.");
return r;
}
@ -1530,6 +1550,7 @@ option_reset(config_format_t *fmt, or_options_t *options,
{
config_line_t *c;
void *lvalue;
char *msg = NULL;
CHECK(fmt, options);
option_clear(fmt, options, var); /* clear it first */
if (!use_defaults)
@ -1539,7 +1560,10 @@ option_reset(config_format_t *fmt, or_options_t *options,
c = tor_malloc_zero(sizeof(config_line_t));
c->key = tor_strdup(var->name);
c->value = tor_strdup(var->initvalue);
config_assign_value(fmt, options, c);
if (config_assign_value(fmt, options, c, &msg) < 0) {
log_warn(LD_BUG, "Failed to assign default: %s", msg);
tor_free(msg); /* if this happens it's a bug */
}
config_free_lines(c);
}
}
@ -1792,9 +1816,11 @@ options_dup(config_format_t *fmt, or_options_t *old)
continue;
line = get_assigned_option(fmt, old, fmt->vars[i].name);
if (line) {
if (config_assign(fmt, newopts, line, 0, 0) < 0) {
char *msg = NULL;
if (config_assign(fmt, newopts, line, 0, 0, &msg) < 0) {
log_err(LD_BUG, "Bug: config_get_assigned_option() generated "
"something we couldn't config_assign().");
"something we couldn't config_assign(): %s", msg);
tor_free(msg);
tor_assert(0);
}
}
@ -2873,7 +2899,7 @@ options_init_from_torrc(int argc, char **argv)
tor_free(cf);
if (retval < 0)
goto err;
retval = config_assign(&options_format, newoptions, cl, 0, 0);
retval = config_assign(&options_format, newoptions, cl, 0, 0, &errmsg);
config_free_lines(cl);
if (retval < 0)
goto err;
@ -2882,7 +2908,7 @@ options_init_from_torrc(int argc, char **argv)
/* Go through command-line variables too */
if (config_get_commandlines(argc, argv, &cl) < 0)
goto err;
retval = config_assign(&options_format, newoptions, cl, 0, 0);
retval = config_assign(&options_format, newoptions, cl, 0, 0, &errmsg);
config_free_lines(cl);
if (retval < 0)
goto err;
@ -2903,7 +2929,7 @@ options_init_from_torrc(int argc, char **argv)
torrc_fname = NULL;
config_free(&options_format, newoptions);
if (errmsg) {
log(LOG_WARN,LD_CONFIG,"%s",errmsg);
log(LOG_WARN,LD_CONFIG,"Failed to parse/validate config: %s", errmsg);
tor_free(errmsg);
}
return -1;
@ -4143,15 +4169,14 @@ or_state_load(void)
int assign_retval;
if (config_get_lines(contents, &lines)<0)
goto done;
assign_retval = config_assign(&state_format, new_state, lines, 0, 0);
assign_retval = config_assign(&state_format, new_state,
lines, 0, 0, &errmsg);
config_free_lines(lines);
if (assign_retval<0)
goto done;
}
if (or_state_validate(NULL, new_state, 1, &errmsg) < 0) {
log_warn(LD_GENERAL, "%s", errmsg);
tor_free(errmsg);
goto done;
}
@ -4168,6 +4193,10 @@ or_state_load(void)
r = 0;
done:
if (errmsg) {
log_warn(LD_GENERAL, "%s", errmsg);
tor_free(errmsg);
}
tor_free(fname);
tor_free(contents);
if (new_state)