mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-28 06:13:31 +01:00
Possibly broken implementation of persistant state; handles helper nodes; does not handle accounting info yet.
svn:r4680
This commit is contained in:
Nick Mathewson
parent
c22bcecd83
commit
299af3d393
@ -31,6 +31,7 @@ typedef struct {
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/** A list of our chosen helper nodes. */
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static smartlist_t *helper_nodes = NULL;
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static int helper_nodes_dirty = 0;
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/********* END VARIABLES ************/
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@ -46,6 +47,7 @@ static void pick_helper_nodes(void);
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static routerinfo_t *choose_random_helper(void);
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static void clear_helper_nodes(void);
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static void remove_dead_helpers(void);
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static void helper_nodes_changed(void);
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/** Iterate over values of circ_id, starting from conn-\>next_circ_id,
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* and with the high bit specified by circ_id_type (see
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@ -1635,6 +1637,7 @@ pick_helper_nodes(void)
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strlcpy(helper->nickname, entry->nickname, sizeof(helper->nickname));
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memcpy(helper->identity, entry->identity_digest, DIGEST_LEN);
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smartlist_add(helper_nodes, helper);
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helper_nodes_changed();
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}
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}
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@ -1644,6 +1647,7 @@ clear_helper_nodes(void)
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{
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SMARTLIST_FOREACH(helper_nodes, helper_node_t *, h, tor_free(h));
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smartlist_clear(helper_nodes);
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helper_nodes_changed();
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}
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/** How long (in seconds) do we allow a helper node to be nonfunctional before
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@ -1681,6 +1685,7 @@ remove_dead_helpers(void)
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helper->nickname, dbuf, why, tbuf);
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tor_free(helper);
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smartlist_del(helper_nodes, i);
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helper_nodes_changed();
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} else
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++i;
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}
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@ -1747,9 +1752,11 @@ helper_nodes_set_status_from_directory(void)
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}
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});
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if (changed)
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if (changed) {
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log_fn(LOG_WARN, " (%d/%d helpers are usable)",
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num_live_helpers(), smartlist_len(helper_nodes));
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helper_nodes_changed();
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}
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remove_dead_helpers();
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pick_helper_nodes();
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@ -1775,6 +1782,7 @@ helper_node_set_status(const char *digest, int succeeded)
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"Connection to formerly down helper node '%s' succeeded. "
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"%d/%d helpers usable.", helper->nickname,
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num_live_helpers(), smartlist_len(helper_nodes));
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helper_nodes_changed();
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}
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helper->down_since = 0;
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} else if (!helper->down_since) {
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@ -1782,6 +1790,7 @@ helper_node_set_status(const char *digest, int succeeded)
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log_fn(LOG_WARN,
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"Connection to helper node '%s' failed. %d/%d helpers usable.",
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helper->nickname, num_live_helpers(), smartlist_len(helper_nodes));
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helper_nodes_changed();
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}
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}
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});
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@ -1818,3 +1827,115 @@ choose_random_helper(void)
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return r;
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}
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/** DOCDOC */
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int
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helper_nodes_parse_state(or_state_t *state, int set, const char **err)
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{
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helper_node_t *node = NULL;
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smartlist_t *helpers = smartlist_create();
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config_line_t *line;
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*err = NULL;
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for (line = state->HelperNodes; line; line = line->next) {
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if (!strcasecmp(line->key, "HelperNode")) {
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smartlist_t *args = smartlist_create();
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node = tor_malloc_zero(sizeof(helper_node_t));
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smartlist_add(helpers, node);
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smartlist_split_string(args, line->value, " ",
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SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
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if (smartlist_len(args)<2) {
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*err = "Too few arguments to HelperNode";
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break;
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}
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if (!is_legal_nickname(smartlist_get(args,0))) {
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*err = "Bad nickname for HelperNode";
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break;
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}
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strlcpy(node->nickname, smartlist_get(args,0), MAX_NICKNAME_LEN+1);
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if (base16_decode(node->identity, DIGEST_LEN, smartlist_get(args,1),
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strlen(smartlist_get(args,11)))<0) {
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*err = "Bad hex digest for HelperNode";
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break;
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}
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} else {
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time_t when;
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if (!node) {
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*err = "HelperNodeDownSince/UnlistedSince without HelperNode";
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break;
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}
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if (parse_iso_time(line->value, &when)<0) {
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*err = "Bad time in HelperNodeDownSince/UnlistedSince";
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break;
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}
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if (!strcasecmp(line->key, "HelperNodeDownSince"))
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node->down_since = when;
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else
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node->unlisted_since = when;
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}
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}
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if (*err || !set) {
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SMARTLIST_FOREACH(helpers, helper_node_t *, h, tor_free(h));
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smartlist_free(helpers);
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}
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if (!*err && set) {
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if (helper_nodes) {
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SMARTLIST_FOREACH(helper_nodes, helper_node_t *, h, tor_free(h));
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smartlist_free(helper_nodes);
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}
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helper_nodes = helpers;
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helper_nodes_dirty = 0;
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}
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return *err ? -1 : 0;
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}
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/** DOCDOC */
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static void
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helper_nodes_changed(void)
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{
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helper_nodes_dirty = 1;
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or_state_save();
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}
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/** DOCDOC */
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int
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helper_nodes_update_state(or_state_t *state)
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{
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config_line_t **next, *line;
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if (! helper_nodes_dirty)
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return 0;
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config_free_lines(state->HelperNodes);
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next = &state->HelperNodes;
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*next = NULL;
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SMARTLIST_FOREACH(helper_nodes, helper_node_t *, h,
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{
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char dbuf[HEX_DIGEST_LEN+1];
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*next = line = tor_malloc_zero(sizeof(config_line_t));
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line->key = tor_strdup("HelperNode");
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line->value = tor_malloc(HEX_DIGEST_LEN+MAX_NICKNAME_LEN+2);
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base16_encode(dbuf, sizeof(dbuf), h->identity, DIGEST_LEN);
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tor_snprintf(line->value,HEX_DIGEST_LEN+MAX_NICKNAME_LEN+2,
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"%s %s", h->nickname, dbuf);
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next = &(line->next);
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if (h->down_since) {
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*next = line = tor_malloc_zero(sizeof(config_line_t));
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line->key = tor_strdup("HelperNodeDownSince");
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line->value = tor_malloc(ISO_TIME_LEN+1);
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format_iso_time(line->value, h->down_since);
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next = &(line->next);
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}
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if (h->unlisted_since) {
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*next = line = tor_malloc_zero(sizeof(config_line_t));
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line->key = tor_strdup("HelperNodeUnlistedSince");
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line->value = tor_malloc(ISO_TIME_LEN+1);
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format_iso_time(line->value, h->unlisted_since);
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next = &(line->next);
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}
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});
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state->dirty = 1;
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helper_nodes_dirty = 0;
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return 1;
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}
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307
src/or/config.c
307
src/or/config.c
@ -24,6 +24,7 @@ typedef enum config_type_t {
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CONFIG_TYPE_MEMUNIT, /**< A number of bytes, with optional units*/
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CONFIG_TYPE_DOUBLE, /**< A floating-point value */
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CONFIG_TYPE_BOOL, /**< A boolean value, expressed as 0 or 1. */
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CONFIG_TYPE_ISOTIME, /**< An ISO-formated time relative to GMT. */
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CONFIG_TYPE_CSV, /**< A list of strings, separated by commas and optional
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* whitespace. */
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CONFIG_TYPE_LINELIST, /**< Uninterpreted config lines */
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@ -47,7 +48,7 @@ typedef struct config_abbrev_t {
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#define PLURAL(tok) { #tok, #tok "s", 0 }
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/* A list of command-line abbreviations. */
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static config_abbrev_t _config_abbrevs[] = {
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static config_abbrev_t _option_abbrevs[] = {
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PLURAL(ExitNode),
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PLURAL(EntryNode),
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PLURAL(ExcludeNode),
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@ -75,6 +76,7 @@ typedef struct config_var_t {
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config_type_t type; /**< How to interpret the type and turn it into a value. */
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off_t var_offset; /**< Offset of the corresponding member of or_options_t. */
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const char *initvalue; /**< String (or null) describing initial value. */
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const char *description;
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} config_var_t;
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/** Return the offset of <b>member</b> within the type <b>tp</b>, in bytes */
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@ -83,7 +85,7 @@ typedef struct config_var_t {
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* CONFIG_TYPE_<b>conftype</b>, and corresponds to
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* or_options_t.<b>member</b>"
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*/
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#define VAR(name,conftype,member,initvalue) \
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#define VAR(name,conftype,member,initvalue) \
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{ name, CONFIG_TYPE_ ## conftype, STRUCT_OFFSET(or_options_t, member), initvalue }
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/** An entry for config_vars: "The option <b>name</b> is obsolete." */
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#define OBSOLETE(name) { name, CONFIG_TYPE_OBSOLETE, 0, NULL }
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@ -92,7 +94,7 @@ typedef struct config_var_t {
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* abbreviations, order is significant, since the first matching option will
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* be chosen first.
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*/
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static config_var_t _config_vars[] = {
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static config_var_t _option_vars[] = {
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VAR("Address", STRING, Address, NULL),
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VAR("AccountingStart", STRING, AccountingStart, NULL),
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VAR("AllowUnverifiedNodes",CSV, AllowUnverifiedNodes, "middle,rendezvous"),
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@ -185,9 +187,51 @@ static config_var_t _config_vars[] = {
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VAR("__LeaveStreamsUnattached", BOOL,LeaveStreamsUnattached, "0"),
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{ NULL, CONFIG_TYPE_OBSOLETE, 0, NULL }
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};
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#undef VAR
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#define VAR(name,conftype,member,initvalue) \
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{ name, CONFIG_TYPE_ ## conftype, STRUCT_OFFSET(or_state_t, member), initvalue }
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static config_var_t _state_vars[] = {
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VAR("LastWritten", ISOTIME, LastWritten, NULL),
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VAR("AccountingIntervalStart", ISOTIME, AccountingIntervalStart, NULL),
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VAR("AccountingBytesWrittenInInterval", MEMUNIT,
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AccountingBytesWrittenInInterval, NULL),
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VAR("AccountingBytesReadInterval", MEMUNIT, AccountingBytesReadInInterval,NULL),
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VAR("AccountingSecondsActive", INTERVAL, AccountingSecondsActive, NULL),
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VAR("AccountingExpectedUsage", MEMUNIT, AccountingExpectedUsage, NULL),
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VAR("HelperNodes", LINELIST_V, HelperNodes, NULL),
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VAR("HelperNode", LINELIST_S, HelperNodes, NULL),
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VAR("HelperNodeDownSince", LINELIST_S, HelperNodes, NULL),
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VAR("HelperNodeUnlistedSince", LINELIST_S, HelperNodes, NULL),
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{ NULL, CONFIG_TYPE_OBSOLETE, 0, NULL }
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};
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#undef VAR
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#undef OBSOLETE
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/** DOCDOC*/
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typedef struct config_var_description_t {
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const char *name;
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const char *description;
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} config_var_description_t;
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static config_var_description_t options_description[] = {
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{ "Address", "The advertised (external) address we should use" },
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// { "AccountingStart", ""},
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{ NULL, NULL },
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};
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static config_var_description_t state_description[] = {
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{ "HelperNode", "One of the nodes we have chosen as a fixed entry" },
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{ "HelperNodeDownSince",
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"The last helper node has been down since this time." },
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{ "HelperNodeUnlistedSince",
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"The last helper node has been unlisted since this time." },
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{ NULL, NULL },
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};
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typedef int (*validate_fn_t)(void*);
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typedef struct {
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@ -197,6 +241,7 @@ typedef struct {
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config_abbrev_t *abbrevs;
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config_var_t *vars;
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validate_fn_t validate_fn;
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config_var_description_t *descriptions;
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} config_format_t;
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#define CHECK(fmt, cfg) do { \
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@ -211,7 +256,7 @@ static void config_line_append(config_line_t **lst,
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const char *key, const char *val);
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static void option_reset(config_format_t *fmt, or_options_t *options,
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config_var_t *var);
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static void options_free(config_format_t *fmt, or_options_t *options);
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static void config_free(config_format_t *fmt, void *options);
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static int option_is_same(config_format_t *fmt,
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or_options_t *o1, or_options_t *o2,const char *name);
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static or_options_t *options_dup(config_format_t *fmt, or_options_t *old);
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@ -236,7 +281,8 @@ static int validate_data_directory(or_options_t *options);
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static int write_configuration_file(const char *fname, or_options_t *options);
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static config_line_t *get_assigned_option(config_format_t *fmt,
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or_options_t *options, const char *key);
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static void config_init(config_format_t *fmt, or_options_t *options);
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static void config_init(config_format_t *fmt, void *options);
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static int or_state_validate(or_state_t *options);
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static uint64_t config_parse_memunit(const char *s, int *ok);
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static int config_parse_interval(const char *s, int *ok);
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@ -252,9 +298,22 @@ static config_format_t config_format = {
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sizeof(or_options_t),
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OR_OPTIONS_MAGIC,
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STRUCT_OFFSET(or_options_t, _magic),
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_config_abbrevs,
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_config_vars,
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(validate_fn_t)options_validate
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_option_abbrevs,
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_option_vars,
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(validate_fn_t)options_validate,
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options_description
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};
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#define OR_STATE_MAGIC 0x57A73f57
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static config_format_t state_format = {
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sizeof(or_state_t),
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OR_STATE_MAGIC,
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STRUCT_OFFSET(or_state_t, _magic),
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NULL,
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_state_vars,
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(validate_fn_t)or_state_validate,
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state_description
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};
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/*
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@ -262,9 +321,11 @@ static config_format_t config_format = {
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*/
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/** Command-line and config-file options. */
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static or_options_t *global_options=NULL;
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static or_options_t *global_options = NULL;
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/** Name of most recently read torrc file. */
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static char *config_fname = NULL;
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/** Persistant serialized state. */
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static or_state_t *global_state = NULL;
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static void *
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config_alloc(config_format_t *fmt)
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@ -290,14 +351,14 @@ void
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set_options(or_options_t *new_val)
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{
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if (global_options)
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options_free(&config_format, global_options);
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config_free(&config_format, global_options);
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global_options = new_val;
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}
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void
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config_free_all(void)
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{
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options_free(&config_format, global_options);
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config_free(&config_format, global_options);
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tor_free(config_fname);
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}
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@ -388,6 +449,11 @@ options_act(void)
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libevent_initialized = 1;
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}
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/* Load state */
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if (! global_state)
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if (or_state_load())
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return -1;
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options->_ConnLimit =
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set_max_file_descriptors((unsigned)options->ConnLimit, MAXCONNECTIONS);
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if (options->_ConnLimit < 0)
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@ -695,6 +761,13 @@ config_assign_line(config_format_t *fmt,
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*(double *)lvalue = atof(c->value);
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break;
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case CONFIG_TYPE_ISOTIME:
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if (parse_iso_time(c->value, (time_t *)lvalue)) {
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log(LOG_WARN, "Invalid time '%s' for keyword '%s'", c->value, c->key);
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return -2;
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}
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break;
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case CONFIG_TYPE_CSV:
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if (*(smartlist_t**)lvalue) {
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SMARTLIST_FOREACH(*(smartlist_t**)lvalue, char *, cp, tor_free(cp));
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@ -814,6 +887,15 @@ get_assigned_option(config_format_t *fmt, or_options_t *options, const char *key
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return NULL;
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}
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break;
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case CONFIG_TYPE_ISOTIME:
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if (*(time_t*)value) {
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result->value = tor_malloc(ISO_TIME_LEN+1);
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format_iso_time(result->value, *(time_t*)value);
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} else {
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tor_free(result->key);
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tor_free(result);
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}
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break;
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case CONFIG_TYPE_INTERVAL:
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case CONFIG_TYPE_UINT:
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/* This means every or_options_t uint or bool element
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@ -866,7 +948,7 @@ get_assigned_option(config_format_t *fmt, or_options_t *options, const char *key
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*/
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static int
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config_assign(config_format_t *fmt,
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or_options_t *options, config_line_t *list, int reset)
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void *options, config_line_t *list, int reset)
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{
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config_line_t *p;
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@ -911,17 +993,17 @@ options_trial_assign(config_line_t *list, int reset)
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or_options_t *trial_options = options_dup(&config_format, get_options());
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if ((r=config_assign(&config_format, trial_options, list, reset)) < 0) {
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options_free(&config_format, trial_options);
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config_free(&config_format, trial_options);
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return r;
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}
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if (options_validate(trial_options) < 0) {
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options_free(&config_format, trial_options);
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config_free(&config_format, trial_options);
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return -2;
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}
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if (options_transition_allowed(get_options(), trial_options) < 0) {
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options_free(&config_format, trial_options);
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config_free(&config_format, trial_options);
|
||||
return -3;
|
||||
}
|
||||
|
||||
@ -947,6 +1029,8 @@ option_reset(config_format_t *fmt, or_options_t *options, config_var_t *var)
|
||||
case CONFIG_TYPE_DOUBLE:
|
||||
*(double*)lvalue = 0.0;
|
||||
break;
|
||||
case CONFIG_TYPE_ISOTIME:
|
||||
*(time_t*)lvalue = 0;
|
||||
case CONFIG_TYPE_INTERVAL:
|
||||
case CONFIG_TYPE_UINT:
|
||||
case CONFIG_TYPE_BOOL:
|
||||
@ -1132,7 +1216,7 @@ get_default_nickname(void)
|
||||
|
||||
/** Release storage held by <b>options</b> */
|
||||
static void
|
||||
options_free(config_format_t *fmt,or_options_t *options)
|
||||
config_free(config_format_t *fmt, void *options)
|
||||
{
|
||||
int i;
|
||||
void *lvalue;
|
||||
@ -1147,6 +1231,7 @@ options_free(config_format_t *fmt,or_options_t *options)
|
||||
case CONFIG_TYPE_UINT:
|
||||
case CONFIG_TYPE_BOOL:
|
||||
case CONFIG_TYPE_DOUBLE:
|
||||
case CONFIG_TYPE_ISOTIME:
|
||||
case CONFIG_TYPE_OBSOLETE:
|
||||
break; /* nothing to free for these config types */
|
||||
case CONFIG_TYPE_STRING:
|
||||
@ -1238,8 +1323,9 @@ options_init(or_options_t *options)
|
||||
config_init(&config_format, options);
|
||||
}
|
||||
|
||||
/* DOCDOC */
|
||||
static void
|
||||
config_init(config_format_t *fmt, or_options_t *options)
|
||||
config_init(config_format_t *fmt, void *options)
|
||||
{
|
||||
int i;
|
||||
config_var_t *var;
|
||||
@ -1253,14 +1339,15 @@ config_init(config_format_t *fmt, or_options_t *options)
|
||||
}
|
||||
}
|
||||
|
||||
/* DOCDOC */
|
||||
static char *
|
||||
config_dump(config_format_t *fmt, or_options_t *options, int minimal)
|
||||
config_dump(config_format_t *fmt, void *options, int minimal)
|
||||
{
|
||||
smartlist_t *elements;
|
||||
or_options_t *defaults;
|
||||
config_line_t *line;
|
||||
char *result;
|
||||
int i;
|
||||
int i, j;
|
||||
|
||||
defaults = config_alloc(fmt);
|
||||
config_init(fmt, defaults);
|
||||
@ -1276,6 +1363,18 @@ config_dump(config_format_t *fmt, or_options_t *options, int minimal)
|
||||
continue;
|
||||
if (minimal && option_is_same(fmt, options, defaults, fmt->vars[i].name))
|
||||
continue;
|
||||
|
||||
for (j=0; fmt->descriptions[j].name; ++j) {
|
||||
if (!strcasecmp(fmt->vars[i].name, fmt->descriptions[j].name)) {
|
||||
const char *desc = fmt->descriptions[j].description;
|
||||
size_t len = strlen(desc)+8;
|
||||
char *tmp = tor_malloc(len);
|
||||
tor_snprintf(tmp, len, "# %s\n",desc);
|
||||
smartlist_add(elements, tmp);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
line = get_assigned_option(fmt, options, fmt->vars[i].name);
|
||||
for (; line; line = line->next) {
|
||||
size_t len = strlen(line->key) + strlen(line->value) + 3;
|
||||
@ -1735,32 +1834,32 @@ options_transition_allowed(or_options_t *old, or_options_t *new_val)
|
||||
}
|
||||
|
||||
if (old->RunAsDaemon != new_val->RunAsDaemon) {
|
||||
log_fn(LOG_WARN,"During reload, changing RunAsDaemon is not allowed. Failing.");
|
||||
log_fn(LOG_WARN,"While Tor is running, changing RunAsDaemon is not allowed. Failing.");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (old->ORPort != new_val->ORPort) {
|
||||
log_fn(LOG_WARN,"During reload, changing ORPort is not allowed. Failing.");
|
||||
log_fn(LOG_WARN,"While Tor is running, changing ORPort is not allowed. Failing.");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (strcmp(old->DataDirectory,new_val->DataDirectory)!=0) {
|
||||
log_fn(LOG_WARN,"During reload, changing DataDirectory (%s->%s) is not allowed. Failing.", old->DataDirectory, new_val->DataDirectory);
|
||||
log_fn(LOG_WARN,"While Tor is running, changing DataDirectory (%s->%s) is not allowed. Failing.", old->DataDirectory, new_val->DataDirectory);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!opt_streq(old->User, new_val->User)) {
|
||||
log_fn(LOG_WARN,"During reload, changing User is not allowed. Failing.");
|
||||
log_fn(LOG_WARN,"While Tor is running, changing User is not allowed. Failing.");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (!opt_streq(old->Group, new_val->Group)) {
|
||||
log_fn(LOG_WARN,"During reload, changing Group is not allowed. Failing.");
|
||||
log_fn(LOG_WARN,"While Tor is running, changing Group is not allowed. Failing.");
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (old->HardwareAccel != new_val->HardwareAccel) {
|
||||
log_fn(LOG_WARN,"During reload, changing HardwareAccel is not allowed. Failing.");
|
||||
log_fn(LOG_WARN,"While Tor is running, changing HardwareAccel is not allowed. Failing.");
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -1984,7 +2083,7 @@ options_init_from_torrc(int argc, char **argv)
|
||||
return 0;
|
||||
err:
|
||||
tor_free(fname);
|
||||
options_free(&config_format, newoptions);
|
||||
config_free(&config_format, newoptions);
|
||||
return -1;
|
||||
}
|
||||
|
||||
@ -2795,6 +2894,162 @@ check_libevent_version(const char *m, const char *v, int server)
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Versioning issues and state: we want to be able to understand old state
|
||||
* files, and not choke on new ones.
|
||||
*
|
||||
* We could preserve all unrecognized variables across invocations, but we could
|
||||
* screw up order, if their order is significant with respect to existing
|
||||
* options.
|
||||
*
|
||||
* We could just dump unrecognized variables if you downgrade.
|
||||
*
|
||||
* This needs thought. XXXX NM
|
||||
*/
|
||||
|
||||
/** DOCDOC */
|
||||
or_state_t *
|
||||
get_or_state(void)
|
||||
{
|
||||
return global_state;
|
||||
}
|
||||
|
||||
/** DOCDOC */
|
||||
static char *
|
||||
get_or_state_fname(void)
|
||||
{
|
||||
char *fname = NULL;
|
||||
or_options_t *options = get_options();
|
||||
size_t len = strlen(options->DataDirectory) + 16;
|
||||
fname = tor_malloc(len);
|
||||
tor_snprintf(fname, len, "%s/state", options->DataDirectory);
|
||||
return fname;
|
||||
}
|
||||
|
||||
/** DOCDOC */
|
||||
static int
|
||||
or_state_validate(or_state_t *state)
|
||||
{
|
||||
const char *err;
|
||||
if (helper_nodes_parse_state(state, 0, &err)<0) {
|
||||
log_fn(LOG_WARN, "Unable to parse helper nodes: %s", err);
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/** DOCDOC */
|
||||
static void
|
||||
or_state_set(or_state_t *new_state)
|
||||
{
|
||||
const char *err;
|
||||
tor_assert(new_state);
|
||||
if (global_state)
|
||||
config_free(&state_format, global_state);
|
||||
global_state = new_state;
|
||||
if (helper_nodes_parse_state(global_state, 1, &err)<0)
|
||||
log_fn(LOG_WARN,"Unparseable helper nodes state: %s",err);
|
||||
|
||||
}
|
||||
|
||||
/* DOCDOC */
|
||||
int
|
||||
or_state_load(void)
|
||||
{
|
||||
or_state_t *new_state = NULL;
|
||||
char *contents = NULL, *fname;
|
||||
int r = -1;
|
||||
|
||||
fname = get_or_state_fname();
|
||||
switch (file_status(fname)) {
|
||||
case FN_FILE:
|
||||
if (!(contents = read_file_to_str(fname, 0))) {
|
||||
log_fn(LOG_WARN, "Unable to read state file %s", fname);
|
||||
goto done;
|
||||
}
|
||||
break;
|
||||
case FN_NOENT:
|
||||
break;
|
||||
default:
|
||||
log_fn(LOG_WARN,"State file %s is not a file? Failing.", fname);
|
||||
goto done;
|
||||
}
|
||||
new_state = tor_malloc_zero(sizeof(or_state_t));
|
||||
new_state->_magic = OR_STATE_MAGIC;
|
||||
config_init(&state_format, new_state);
|
||||
if (contents) {
|
||||
config_line_t *lines=NULL;
|
||||
int assign_retval;
|
||||
if (config_get_lines(contents, &lines)<0)
|
||||
goto done;
|
||||
assign_retval = config_assign(&state_format, new_state, lines, 0);
|
||||
config_free_lines(lines);
|
||||
if (assign_retval<0)
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (or_state_validate(new_state) < 0)
|
||||
goto done;
|
||||
|
||||
if (contents)
|
||||
log_fn(LOG_INFO, "Loaded state from %s", fname);
|
||||
else
|
||||
log_fn(LOG_INFO, "Initialized state");
|
||||
or_state_set(new_state);
|
||||
new_state = NULL;
|
||||
if (!contents) {
|
||||
global_state->dirty = 1;
|
||||
or_state_save();
|
||||
}
|
||||
|
||||
r = 0;
|
||||
done:
|
||||
tor_free(fname);
|
||||
tor_free(contents);
|
||||
if (new_state)
|
||||
config_free(&state_format, new_state);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
/** DOCDOC */
|
||||
int
|
||||
or_state_save(void)
|
||||
{
|
||||
char *state, *contents;
|
||||
char tbuf[ISO_TIME_LEN+1];
|
||||
size_t len;
|
||||
char *fname;
|
||||
|
||||
helper_nodes_update_state(global_state);
|
||||
|
||||
if (!global_state->dirty)
|
||||
return 0;
|
||||
|
||||
global_state->LastWritten = time(NULL);
|
||||
state = config_dump(&state_format, global_state, 0);
|
||||
len = strlen(state)+128;
|
||||
contents = tor_malloc(len);
|
||||
format_local_iso_time(tbuf, time(NULL));
|
||||
tor_snprintf(contents, len,
|
||||
"# Tor state file last generated on %s\n"
|
||||
"# You *do not* need to edit this file.\n\n%s",
|
||||
tbuf, state);
|
||||
tor_free(state);
|
||||
fname = get_or_state_fname();
|
||||
if (write_str_to_file(fname, contents, 0)<0) {
|
||||
log_fn(LOG_WARN, "Unable to write state to file %s", fname);
|
||||
tor_free(fname);
|
||||
tor_free(contents);
|
||||
return -1;
|
||||
}
|
||||
log_fn(LOG_INFO, "Saved state to %s", fname);
|
||||
tor_free(fname);
|
||||
tor_free(contents);
|
||||
|
||||
global_state->dirty = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/** Dump the version of every file to the log. */
|
||||
static void
|
||||
print_cvs_version(void)
|
||||
|
||||
@ -539,6 +539,9 @@ accounting_record_bandwidth_usage(time_t now)
|
||||
tor_snprintf(fname, sizeof(fname), "%s/bw_accounting",
|
||||
get_options()->DataDirectory);
|
||||
|
||||
|
||||
|
||||
|
||||
return write_str_to_file(fname, buf, 0);
|
||||
}
|
||||
|
||||
|
||||
@ -1320,6 +1320,7 @@ tor_init(int argc, char *argv[])
|
||||
log_fn(LOG_ERR, "Unable to seed random number generator. Exiting.");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
22
src/or/or.h
22
src/or/or.h
@ -1176,6 +1176,22 @@ typedef struct {
|
||||
int RephistTrackTime; /**< How many seconds do we keep rephist info? */
|
||||
} or_options_t;
|
||||
|
||||
/** Persistent state for an onion router, as saved to disk. */
|
||||
typedef struct {
|
||||
uint32_t _magic;
|
||||
int dirty;
|
||||
|
||||
/* XXXX These options aren't actually attached to anything yet. */
|
||||
time_t LastWritten;
|
||||
time_t AccountingIntervalStart;
|
||||
uint64_t AccountingBytesReadInInterval;
|
||||
uint64_t AccountingBytesWrittenInInterval;
|
||||
int AccountingSecondsActive;
|
||||
uint64_t AccountingExpectedUsage;
|
||||
|
||||
config_line_t *HelperNodes;
|
||||
} or_state_t;
|
||||
|
||||
#define MAX_SOCKS_REPLY_LEN 1024
|
||||
#define MAX_SOCKS_ADDR_LEN 256
|
||||
#define SOCKS_COMMAND_CONNECT 0x01
|
||||
@ -1261,6 +1277,8 @@ const char *build_state_get_exit_nickname(cpath_build_state_t *state);
|
||||
|
||||
void helper_node_set_status(const char *digest, int succeeded);
|
||||
void helper_nodes_set_status_from_directory(void);
|
||||
int helper_nodes_update_state(or_state_t *state);
|
||||
int helper_nodes_parse_state(or_state_t *state, int set, const char **err);
|
||||
|
||||
/********************************* circuitlist.c ***********************/
|
||||
|
||||
@ -1350,6 +1368,10 @@ config_line_t *option_get_assignment(or_options_t *options,
|
||||
char *options_dump(or_options_t *options, int minimal);
|
||||
int options_save_current(void);
|
||||
|
||||
or_state_t *get_or_state(void);
|
||||
int or_state_load(void);
|
||||
int or_state_save(void);
|
||||
|
||||
/********************************* connection.c ***************************/
|
||||
|
||||
const char *conn_type_to_string(int type);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user