/** Parse the process specifier given in <b>process_spec</b> into
* *<b>ppspec</b>. Return 0 on success; return -1 and store an error
* message into *<b>msg</b> on failure. The caller must not free the
* returned error message. */
static int
parse_process_specifier(const char *process_spec,
struct parsed_process_specifier_t *ppspec,
const char **msg)
{
long pid_l;
int pid_ok = 0;
char *pspec_next;
/* If we're lucky, long will turn out to be large enough to hold a
* PID everywhere that Tor runs. */
pid_l = tor_parse_long(process_spec, 0, 1, LONG_MAX, &pid_ok, &pspec_next);
/* Reserve room in the ‘process specifier’ for additional
* (platform-specific) identifying information beyond the PID, to
* make our process-existence checks a bit less racy in a future
* version. */
if ((*pspec_next != 0) && (*pspec_next != ' ') && (*pspec_next != ':')) {
pid_ok = 0;
}
ppspec->pid = (pid_t)(pid_l);
if (!pid_ok || (pid_l != (long)(ppspec->pid))) {
*msg = "invalid PID";
goto err;
}
return 0;
err:
return -1;
}
/** Parse the '-p' argument of tor-fw-helper. Its format is
* [<external port>]:<internal port>, and <external port> is optional.
* Return NULL if <b>arg</b> was c0rrupted. */
static port_to_forward_t *
parse_port(const char *arg)
{
smartlist_t *sl = smartlist_new();
port_to_forward_t *port_to_forward = NULL;
char *port_str = NULL;
int ok;
int port;
smartlist_split_string(sl, arg, ":", 0, 0);
if (smartlist_len(sl) != 2)
goto err;
port_to_forward = tor_malloc(sizeof(port_to_forward_t));
if (!port_to_forward)
goto err;
port_str = smartlist_get(sl, 0); /* macroify ? */
port = (int)tor_parse_long(port_str, 10, 1, 65535, &ok, NULL);
if (!ok && strlen(port_str)) /* ":1555" is valid */
goto err;
port_to_forward->external_port = port;
port_str = smartlist_get(sl, 1);
port = (int)tor_parse_long(port_str, 10, 1, 65535, &ok, NULL);
if (!ok)
goto err;
port_to_forward->internal_port = port;
goto done;
err:
tor_free(port_to_forward);
done:
SMARTLIST_FOREACH(sl, char *, cp, tor_free(cp));
smartlist_free(sl);
return port_to_forward;
}
/** Configure accounting start/end time settings based on
* options->AccountingStart. Return 0 on success, -1 on failure. If
* <b>validate_only</b> is true, do not change the current settings. */
int
accounting_parse_options(const or_options_t *options, int validate_only)
{
time_unit_t unit;
int ok, idx;
long d,h,m;
smartlist_t *items;
const char *v = options->AccountingStart;
const char *s;
char *cp;
if (!v) {
if (!validate_only) {
cfg_unit = UNIT_MONTH;
cfg_start_day = 1;
cfg_start_hour = 0;
cfg_start_min = 0;
}
return 0;
}
items = smartlist_new();
smartlist_split_string(items, v, NULL,
SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK,0);
if (smartlist_len(items)<2) {
log_warn(LD_CONFIG, "Too few arguments to AccountingStart");
goto err;
}
s = smartlist_get(items,0);
if (0==strcasecmp(s, "month")) {
unit = UNIT_MONTH;
} else if (0==strcasecmp(s, "week")) {
unit = UNIT_WEEK;
} else if (0==strcasecmp(s, "day")) {
unit = UNIT_DAY;
} else {
log_warn(LD_CONFIG,
"Unrecognized accounting unit '%s': only 'month', 'week',"
" and 'day' are supported.", s);
goto err;
}
switch (unit) {
case UNIT_WEEK:
d = tor_parse_long(smartlist_get(items,1), 10, 1, 7, &ok, NULL);
if (!ok) {
log_warn(LD_CONFIG, "Weekly accounting must begin on a day between "
"1 (Monday) and 7 (Sunday)");
goto err;
}
break;
case UNIT_MONTH:
d = tor_parse_long(smartlist_get(items,1), 10, 1, 28, &ok, NULL);
if (!ok) {
log_warn(LD_CONFIG, "Monthly accounting must begin on a day between "
"1 and 28");
goto err;
}
break;
case UNIT_DAY:
d = 0;
break;
/* Coverity dislikes unreachable default cases; some compilers warn on
* switch statements missing a case. Tell Coverity not to worry. */
/* coverity[dead_error_begin] */
default:
tor_assert(0);
}
idx = unit==UNIT_DAY?1:2;
if (smartlist_len(items) != (idx+1)) {
log_warn(LD_CONFIG,"Accounting unit '%s' requires %d argument%s.",
s, idx, (idx>1)?"s":"");
goto err;
}
s = smartlist_get(items, idx);
h = tor_parse_long(s, 10, 0, 23, &ok, &cp);
if (!ok) {
log_warn(LD_CONFIG,"Accounting start time not parseable: bad hour.");
goto err;
}
if (!cp || *cp!=':') {
log_warn(LD_CONFIG,
"Accounting start time not parseable: not in HH:MM format");
goto err;
}
m = tor_parse_long(cp+1, 10, 0, 59, &ok, &cp);
if (!ok) {
log_warn(LD_CONFIG, "Accounting start time not parseable: bad minute");
goto err;
}
if (!cp || *cp!='\0') {
log_warn(LD_CONFIG,
"Accounting start time not parseable: not in HH:MM format");
goto err;
}
if (!validate_only) {
cfg_unit = unit;
cfg_start_day = (int)d;
cfg_start_hour = (int)h;
cfg_start_min = (int)m;
}
SMARTLIST_FOREACH(items, char *, item, tor_free(item));
smartlist_free(items);
return 0;
err:
SMARTLIST_FOREACH(items, char *, item, tor_free(item));
smartlist_free(items);
return -1;
}
/** <b>c</b>-\>key is known to be a real key. Update <b>options</b>
* with <b>c</b>-\>value and return 0, or return -1 if bad value.
*
* Called from config_assign_line() and option_reset().
*/
static int
config_assign_value(const config_format_t *fmt, void *options,
config_line_t *c, char **msg)
{
int i, ok;
const config_var_t *var;
void *lvalue;
int *csv_int;
smartlist_t *csv_str;
CONFIG_CHECK(fmt, options);
var = config_find_option(fmt, c->key);
tor_assert(var);
lvalue = STRUCT_VAR_P(options, var->var_offset);
switch (var->type) {
case CONFIG_TYPE_PORT:
if (!strcasecmp(c->value, "auto")) {
*(int *)lvalue = CFG_AUTO_PORT;
break;
}
/* fall through */
case CONFIG_TYPE_INT:
case CONFIG_TYPE_UINT:
i = (int)tor_parse_long(c->value, 10,
var->type==CONFIG_TYPE_INT ? INT_MIN : 0,
var->type==CONFIG_TYPE_PORT ? 65535 : INT_MAX,
&ok, NULL);
if (!ok) {
tor_asprintf(msg,
"Int keyword '%s %s' is malformed or out of bounds.",
c->key, c->value);
return -1;
}
*(int *)lvalue = i;
break;
case CONFIG_TYPE_INTERVAL: {
i = config_parse_interval(c->value, &ok);
if (!ok) {
tor_asprintf(msg,
"Interval '%s %s' is malformed or out of bounds.",
c->key, c->value);
return -1;
}
*(int *)lvalue = i;
break;
}
case CONFIG_TYPE_MSEC_INTERVAL: {
i = config_parse_msec_interval(c->value, &ok);
if (!ok) {
tor_asprintf(msg,
"Msec interval '%s %s' is malformed or out of bounds.",
c->key, c->value);
return -1;
}
*(int *)lvalue = i;
break;
}
case CONFIG_TYPE_MEMUNIT: {
uint64_t u64 = config_parse_memunit(c->value, &ok);
if (!ok) {
tor_asprintf(msg,
"Value '%s %s' is malformed or out of bounds.",
c->key, c->value);
return -1;
}
*(uint64_t *)lvalue = u64;
break;
}
case CONFIG_TYPE_BOOL:
i = (int)tor_parse_long(c->value, 10, 0, 1, &ok, NULL);
if (!ok) {
tor_asprintf(msg,
"Boolean '%s %s' expects 0 or 1.",
c->key, c->value);
return -1;
}
*(int *)lvalue = i;
break;
case CONFIG_TYPE_AUTOBOOL:
if (!strcmp(c->value, "auto"))
*(int *)lvalue = -1;
else if (!strcmp(c->value, "0"))
*(int *)lvalue = 0;
else if (!strcmp(c->value, "1"))
*(int *)lvalue = 1;
else {
tor_asprintf(msg, "Boolean '%s %s' expects 0, 1, or 'auto'.",
c->key, c->value);
return -1;
}
break;
case CONFIG_TYPE_STRING:
case CONFIG_TYPE_FILENAME:
tor_free(*(char **)lvalue);
*(char **)lvalue = tor_strdup(c->value);
break;
case CONFIG_TYPE_DOUBLE:
*(double *)lvalue = atof(c->value);
break;
case CONFIG_TYPE_ISOTIME:
if (parse_iso_time(c->value, (time_t *)lvalue)) {
tor_asprintf(msg,
"Invalid time '%s' for keyword '%s'", c->value, c->key);
return -1;
}
break;
case CONFIG_TYPE_ROUTERSET:
if (*(routerset_t**)lvalue) {
routerset_free(*(routerset_t**)lvalue);
}
*(routerset_t**)lvalue = routerset_new();
if (routerset_parse(*(routerset_t**)lvalue, c->value, c->key)<0) {
tor_asprintf(msg, "Invalid exit list '%s' for option '%s'",
c->value, c->key);
return -1;
}
break;
case CONFIG_TYPE_CSV:
if (*(smartlist_t**)lvalue) {
SMARTLIST_FOREACH(*(smartlist_t**)lvalue, char *, cp, tor_free(cp));
smartlist_clear(*(smartlist_t**)lvalue);
} else {
/** Parse and validate the ASCII-encoded v2 descriptor in <b>desc</b>,
* write the parsed descriptor to the newly allocated *<b>parsed_out</b>, the
* binary descriptor ID of length DIGEST_LEN to <b>desc_id_out</b>, the
* encrypted introduction points to the newly allocated
* *<b>intro_points_encrypted_out</b>, their encrypted size to
* *<b>intro_points_encrypted_size_out</b>, the size of the encoded descriptor
* to *<b>encoded_size_out</b>, and a pointer to the possibly next
* descriptor to *<b>next_out</b>; return 0 for success (including validation)
* and -1 for failure.
*
* If <b>as_hsdir</b> is 1, we're parsing this as an HSDir, and we should
* be strict about time formats.
*/
int
rend_parse_v2_service_descriptor(rend_service_descriptor_t **parsed_out,
char *desc_id_out,
char **intro_points_encrypted_out,
size_t *intro_points_encrypted_size_out,
size_t *encoded_size_out,
const char **next_out, const char *desc,
int as_hsdir)
{
rend_service_descriptor_t *result =
tor_malloc_zero(sizeof(rend_service_descriptor_t));
char desc_hash[DIGEST_LEN];
const char *eos;
smartlist_t *tokens = smartlist_new();
directory_token_t *tok;
char secret_id_part[DIGEST_LEN];
int i, version, num_ok=1;
smartlist_t *versions;
char public_key_hash[DIGEST_LEN];
char test_desc_id[DIGEST_LEN];
memarea_t *area = NULL;
const int strict_time_fmt = as_hsdir;
tor_assert(desc);
/* Check if desc starts correctly. */
if (strcmpstart(desc, "rendezvous-service-descriptor ")) {
log_info(LD_REND, "Descriptor does not start correctly.");
goto err;
}
/* Compute descriptor hash for later validation. */
if (router_get_hash_impl(desc, strlen(desc), desc_hash,
"rendezvous-service-descriptor ",
"\nsignature", '\n', DIGEST_SHA1) < 0) {
log_warn(LD_REND, "Couldn't compute descriptor hash.");
goto err;
}
/* Determine end of string. */
eos = strstr(desc, "\nrendezvous-service-descriptor ");
if (!eos)
eos = desc + strlen(desc);
else
eos = eos + 1;
/* Check length. */
if (eos-desc > REND_DESC_MAX_SIZE) {
/* XXXX+ If we are parsing this descriptor as a server, this
* should be a protocol warning. */
log_warn(LD_REND, "Descriptor length is %d which exceeds "
"maximum rendezvous descriptor size of %d bytes.",
(int)(eos-desc), REND_DESC_MAX_SIZE);
goto err;
}
/* Tokenize descriptor. */
area = memarea_new();
if (tokenize_string(area, desc, eos, tokens, desc_token_table, 0)) {
log_warn(LD_REND, "Error tokenizing descriptor.");
goto err;
}
/* Set next to next descriptor, if available. */
*next_out = eos;
/* Set length of encoded descriptor. */
*encoded_size_out = eos - desc;
/* Check min allowed length of token list. */
if (smartlist_len(tokens) < 7) {
log_warn(LD_REND, "Impossibly short descriptor.");
goto err;
}
/* Parse base32-encoded descriptor ID. */
tok = find_by_keyword(tokens, R_RENDEZVOUS_SERVICE_DESCRIPTOR);
tor_assert(tok == smartlist_get(tokens, 0));
tor_assert(tok->n_args == 1);
if (!rend_valid_descriptor_id(tok->args[0])) {
log_warn(LD_REND, "Invalid descriptor ID: '%s'", tok->args[0]);
goto err;
}
if (base32_decode(desc_id_out, DIGEST_LEN,
tok->args[0], REND_DESC_ID_V2_LEN_BASE32) < 0) {
log_warn(LD_REND, "Descriptor ID contains illegal characters: %s",
tok->args[0]);
goto err;
}
/* Parse descriptor version. */
tok = find_by_keyword(tokens, R_VERSION);
tor_assert(tok->n_args == 1);
result->version =
(int) tor_parse_long(tok->args[0], 10, 0, INT_MAX, &num_ok, NULL);
if (result->version != 2 || !num_ok) {
/* If it's <2, it shouldn't be under this format. If the number
* is greater than 2, we bumped it because we broke backward
* compatibility. See how version numbers in our other formats
* work. */
log_warn(LD_REND, "Unrecognized descriptor version: %s",
escaped(tok->args[0]));
goto err;
}
/* Parse public key. */
tok = find_by_keyword(tokens, R_PERMANENT_KEY);
result->pk = tok->key;
tok->key = NULL; /* Prevent free */
/* Parse secret ID part. */
tok = find_by_keyword(tokens, R_SECRET_ID_PART);
tor_assert(tok->n_args == 1);
if (strlen(tok->args[0]) != REND_SECRET_ID_PART_LEN_BASE32 ||
strspn(tok->args[0], BASE32_CHARS) != REND_SECRET_ID_PART_LEN_BASE32) {
log_warn(LD_REND, "Invalid secret ID part: '%s'", tok->args[0]);
goto err;
}
if (base32_decode(secret_id_part, DIGEST_LEN, tok->args[0], 32) < 0) {
log_warn(LD_REND, "Secret ID part contains illegal characters: %s",
tok->args[0]);
goto err;
}
/* Parse publication time -- up-to-date check is done when storing the
* descriptor. */
tok = find_by_keyword(tokens, R_PUBLICATION_TIME);
tor_assert(tok->n_args == 1);
if (parse_iso_time_(tok->args[0], &result->timestamp,
strict_time_fmt, 0) < 0) {
log_warn(LD_REND, "Invalid publication time: '%s'", tok->args[0]);
goto err;
}
/* Parse protocol versions. */
tok = find_by_keyword(tokens, R_PROTOCOL_VERSIONS);
tor_assert(tok->n_args == 1);
versions = smartlist_new();
smartlist_split_string(versions, tok->args[0], ",",
SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
for (i = 0; i < smartlist_len(versions); i++) {
version = (int) tor_parse_long(smartlist_get(versions, i),
10, 0, INT_MAX, &num_ok, NULL);
if (!num_ok) /* It's a string; let's ignore it. */
continue;
if (version >= REND_PROTOCOL_VERSION_BITMASK_WIDTH)
/* Avoid undefined left-shift behaviour. */
continue;
result->protocols |= 1 << version;
}
SMARTLIST_FOREACH(versions, char *, cp, tor_free(cp));
smartlist_free(versions);
/* Parse encrypted introduction points. Don't verify. */
tok = find_opt_by_keyword(tokens, R_INTRODUCTION_POINTS);
if (tok) {
if (strcmp(tok->object_type, "MESSAGE")) {
log_warn(LD_DIR, "Bad object type: introduction points should be of "
"type MESSAGE");
goto err;
}
*intro_points_encrypted_out = tor_memdup(tok->object_body,
tok->object_size);
*intro_points_encrypted_size_out = tok->object_size;
} else {
*intro_points_encrypted_out = NULL;
*intro_points_encrypted_size_out = 0;
}
/* Parse and verify signature. */
tok = find_by_keyword(tokens, R_SIGNATURE);
if (check_signature_token(desc_hash, DIGEST_LEN, tok, result->pk, 0,
"v2 rendezvous service descriptor") < 0)
goto err;
/* Verify that descriptor ID belongs to public key and secret ID part. */
if (crypto_pk_get_digest(result->pk, public_key_hash) < 0) {
log_warn(LD_REND, "Unable to compute rend descriptor public key digest");
goto err;
}
rend_get_descriptor_id_bytes(test_desc_id, public_key_hash,
secret_id_part);
if (tor_memneq(desc_id_out, test_desc_id, DIGEST_LEN)) {
log_warn(LD_REND, "Parsed descriptor ID does not match "
"computed descriptor ID.");
goto err;
}
goto done;
err:
rend_service_descriptor_free(result);
result = NULL;
done:
if (tokens) {
SMARTLIST_FOREACH(tokens, directory_token_t *, t, token_clear(t));
smartlist_free(tokens);
}
if (area)
memarea_drop_all(area);
*parsed_out = result;
if (result)
return 0;
return -1;
}
/** Parse the encoded introduction points in <b>intro_points_encoded</b> of
* length <b>intro_points_encoded_size</b> and write the result to the
* descriptor in <b>parsed</b>; return the number of successfully parsed
* introduction points or -1 in case of a failure. */
int
rend_parse_introduction_points(rend_service_descriptor_t *parsed,
const char *intro_points_encoded,
size_t intro_points_encoded_size)
{
const char *current_ipo, *end_of_intro_points;
smartlist_t *tokens = NULL;
directory_token_t *tok;
rend_intro_point_t *intro;
extend_info_t *info;
int result, num_ok=1;
memarea_t *area = NULL;
tor_assert(parsed);
/** Function may only be invoked once. */
tor_assert(!parsed->intro_nodes);
if (!intro_points_encoded || intro_points_encoded_size == 0) {
log_warn(LD_REND, "Empty or zero size introduction point list");
goto err;
}
/* Consider one intro point after the other. */
current_ipo = intro_points_encoded;
end_of_intro_points = intro_points_encoded + intro_points_encoded_size;
tokens = smartlist_new();
parsed->intro_nodes = smartlist_new();
area = memarea_new();
while (!fast_memcmpstart(current_ipo, end_of_intro_points-current_ipo,
"introduction-point ")) {
/* Determine end of string. */
const char *eos = tor_memstr(current_ipo, end_of_intro_points-current_ipo,
"\nintroduction-point ");
if (!eos)
eos = end_of_intro_points;
else
eos = eos+1;
tor_assert(eos <= intro_points_encoded+intro_points_encoded_size);
/* Free tokens and clear token list. */
SMARTLIST_FOREACH(tokens, directory_token_t *, t, token_clear(t));
smartlist_clear(tokens);
memarea_clear(area);
/* Tokenize string. */
if (tokenize_string(area, current_ipo, eos, tokens, ipo_token_table, 0)) {
log_warn(LD_REND, "Error tokenizing introduction point");
goto err;
}
/* Advance to next introduction point, if available. */
current_ipo = eos;
/* Check minimum allowed length of introduction point. */
if (smartlist_len(tokens) < 5) {
log_warn(LD_REND, "Impossibly short introduction point.");
goto err;
}
/* Allocate new intro point and extend info. */
intro = tor_malloc_zero(sizeof(rend_intro_point_t));
info = intro->extend_info = tor_malloc_zero(sizeof(extend_info_t));
/* Parse identifier. */
tok = find_by_keyword(tokens, R_IPO_IDENTIFIER);
if (base32_decode(info->identity_digest, DIGEST_LEN,
tok->args[0], REND_INTRO_POINT_ID_LEN_BASE32) < 0) {
log_warn(LD_REND, "Identity digest contains illegal characters: %s",
tok->args[0]);
rend_intro_point_free(intro);
goto err;
}
/* Write identifier to nickname. */
info->nickname[0] = '$';
base16_encode(info->nickname + 1, sizeof(info->nickname) - 1,
info->identity_digest, DIGEST_LEN);
/* Parse IP address. */
tok = find_by_keyword(tokens, R_IPO_IP_ADDRESS);
if (tor_addr_parse(&info->addr, tok->args[0])<0) {
log_warn(LD_REND, "Could not parse introduction point address.");
rend_intro_point_free(intro);
goto err;
}
if (tor_addr_family(&info->addr) != AF_INET) {
log_warn(LD_REND, "Introduction point address was not ipv4.");
rend_intro_point_free(intro);
goto err;
}
/* Parse onion port. */
tok = find_by_keyword(tokens, R_IPO_ONION_PORT);
info->port = (uint16_t) tor_parse_long(tok->args[0],10,1,65535,
&num_ok,NULL);
if (!info->port || !num_ok) {
log_warn(LD_REND, "Introduction point onion port %s is invalid",
escaped(tok->args[0]));
rend_intro_point_free(intro);
goto err;
}
/* Parse onion key. */
tok = find_by_keyword(tokens, R_IPO_ONION_KEY);
if (!crypto_pk_public_exponent_ok(tok->key)) {
log_warn(LD_REND,
"Introduction point's onion key had invalid exponent.");
rend_intro_point_free(intro);
goto err;
}
info->onion_key = tok->key;
tok->key = NULL; /* Prevent free */
/* Parse service key. */
tok = find_by_keyword(tokens, R_IPO_SERVICE_KEY);
if (!crypto_pk_public_exponent_ok(tok->key)) {
log_warn(LD_REND,
"Introduction point key had invalid exponent.");
rend_intro_point_free(intro);
goto err;
}
intro->intro_key = tok->key;
tok->key = NULL; /* Prevent free */
/* Add extend info to list of introduction points. */
smartlist_add(parsed->intro_nodes, intro);
}
result = smartlist_len(parsed->intro_nodes);
goto done;
err:
result = -1;
done:
/* Free tokens and clear token list. */
if (tokens) {
SMARTLIST_FOREACH(tokens, directory_token_t *, t, token_clear(t));
smartlist_free(tokens);
}
if (area)
memarea_drop_all(area);
return result;
}
/**
* Helper function to parse out a line in the measured bandwidth file
* into a measured_bw_line_t output structure.
*
* If <b>line_is_after_headers</b> is true, then if we encounter an incomplete
* bw line, return -1 and warn, since we are after the headers and we should
* only parse bw lines. Return 0 otherwise.
*
* If <b>line_is_after_headers</b> is false then it means that we are not past
* the header block yet. If we encounter an incomplete bw line, return -1 but
* don't warn since there could be additional header lines coming. If we
* encounter a proper bw line, return 0 (and we got past the headers).
*
* If the line contains "vote=0", stop parsing it, and return -1, so that the
* line is ignored during voting.
*/
STATIC int
measured_bw_line_parse(measured_bw_line_t *out, const char *orig_line,
int line_is_after_headers)
{
char *line = tor_strdup(orig_line);
char *cp = line;
int got_bw = 0;
int got_node_id = 0;
char *strtok_state; /* lame sauce d'jour */
if (strlen(line) == 0) {
log_warn(LD_DIRSERV, "Empty line in bandwidth file");
tor_free(line);
return -1;
}
/* Remove end of line character, so that is not part of the token */
if (line[strlen(line) - 1] == '\n') {
line[strlen(line) - 1] = '\0';
}
cp = tor_strtok_r(cp, " \t", &strtok_state);
if (!cp) {
log_warn(LD_DIRSERV, "Invalid line in bandwidth file: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
if (orig_line[strlen(orig_line)-1] != '\n') {
log_warn(LD_DIRSERV, "Incomplete line in bandwidth file: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
do {
// If the line contains vote=0, ignore it.
if (strcmpstart(cp, "vote=0") == 0) {
log_debug(LD_DIRSERV, "Ignoring bandwidth file line that contains "
"vote=0: %s",escaped(orig_line));
tor_free(line);
return -1;
} else if (strcmpstart(cp, "bw=") == 0) {
int parse_ok = 0;
char *endptr;
if (got_bw) {
log_warn(LD_DIRSERV, "Double bw= in bandwidth file line: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
cp+=strlen("bw=");
out->bw_kb = tor_parse_long(cp, 10, 0, LONG_MAX, &parse_ok, &endptr);
if (!parse_ok || (*endptr && !TOR_ISSPACE(*endptr))) {
log_warn(LD_DIRSERV, "Invalid bandwidth in bandwidth file line: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
got_bw=1;
} else if (strcmpstart(cp, "node_id=$") == 0) {
if (got_node_id) {
log_warn(LD_DIRSERV, "Double node_id= in bandwidth file line: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
cp+=strlen("node_id=$");
if (strlen(cp) != HEX_DIGEST_LEN ||
base16_decode(out->node_id, DIGEST_LEN,
cp, HEX_DIGEST_LEN) != DIGEST_LEN) {
log_warn(LD_DIRSERV, "Invalid node_id in bandwidth file line: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
strlcpy(out->node_hex, cp, sizeof(out->node_hex));
got_node_id=1;
}
} while ((cp = tor_strtok_r(NULL, " \t", &strtok_state)));
if (got_bw && got_node_id) {
tor_free(line);
return 0;
} else if (line_is_after_headers == 0) {
/* There could be additional header lines, therefore do not give warnings
* but returns -1 since it's not a complete bw line. */
log_debug(LD_DIRSERV, "Missing bw or node_id in bandwidth file line: %s",
escaped(orig_line));
tor_free(line);
return -1;
} else {
log_warn(LD_DIRSERV, "Incomplete line in bandwidth file: %s",
escaped(orig_line));
tor_free(line);
return -1;
}
}
