static int handle_line(struct parsedfile *config, char *line, int lineno) {
char *words[10];
static char savedline[MAXLINE];
int nowords = 0, i;
/* Save the input string */
strncpy(savedline, line, MAXLINE - 1);
savedline[MAXLINE - 1] = (char) 0;
/* Tokenize the input string */
nowords = tokenize(line, 10, words);
/* Set the spare slots to an empty string to simplify */
/* processing */
for (i = nowords; i < 10; i++)
words[i] = NULL;
if (nowords > 0) {
/* Now this can either be a "path" block starter or */
/* ender, otherwise it has to be a pair (<name> = */
/* <value>) */
if (!strcmp(words[0], "path")) {
handle_path(config, lineno, nowords, words);
} else if (!strcmp(words[0], "}")) {
handle_endpath(config, lineno, nowords);
} else {
/* Has to be a pair */
if ((nowords != 3) || (strcmp(words[1], "="))) {
show_msg(MSGERR, "Malformed configuration pair "
"on line %d in configuration "
"file, \"%s\"\n", lineno, savedline);
} else if (!strcmp(words[0], "reaches")) {
handle_reaches(lineno, words[2]);
} else if (!strcmp(words[0], "server")) {
handle_server(config, lineno, words[2]);
} else if (!strcmp(words[0], "server_port")) {
handle_port(config, lineno, words[2]);
} else if (!strcmp(words[0], "server_type")) {
handle_type(config, lineno, words[2]);
} else if (!strcmp(words[0], "default_user")) {
handle_defuser(config, lineno, words[2]);
} else if (!strcmp(words[0], "default_pass")) {
handle_defpass(config, lineno, words[2]);
} else if (!strcmp(words[0], "local")) {
handle_local(config, lineno, words[2]);
} else if (!strcmp(words[0], "tordns_enable")) {
handle_tordns_enabled(config, lineno, words[2]);
} else if (!strcmp(words[0], "tordns_deadpool_range")) {
handle_tordns_deadpool_range(config, lineno, words[2]);
} else if (!strcmp(words[0], "tordns_cache_size")) {
handle_tordns_cache_size(config, words[2]);
} else {
show_msg(MSGERR, "Invalid pair type (%s) specified "
"on line %d in configuration file, "
"\"%s\"\n", words[0], lineno,
savedline);
}
}
}
return(0);
}
int read_config (char *filename, struct parsedfile *config) {
FILE *conf;
char line[MAXLINE];
int rc = 0;
int lineno = 1;
struct serverent *server;
/* Clear out the structure */
memset(config, 0x0, sizeof(*config));
/* Initialization */
currentcontext = &(config->defaultserver);
/* Tordns defaults */
config->tordns_cache_size = 256;
config->tordns_enabled = 1;
/* If a filename wasn't provided, use the default */
if (filename == NULL) {
strncpy(line, CONF_FILE, sizeof(line) - 1);
/* Insure null termination */
line[sizeof(line) - 1] = (char) 0;
filename = line;
show_msg(MSGWARN, "Configuration file not provided by TORSOCKS_CONF_FILE "
"environment variable, attempting to use defaults in %s.\n", filename);
}
/* If there is no configuration file use reasonable defaults for Tor */
if ((conf = fopen(filename, "r")) == NULL) {
show_msg(MSGERR, "Could not open socks configuration file "
"(%s) errno (%d), assuming sensible defaults for Tor.\n", filename, errno);
memset(&(config->defaultserver), 0x0, sizeof(config->defaultserver));
check_server(&(config->defaultserver));
handle_local(config, 0, "127.0.0.0/255.0.0.0");
handle_local(config, 0, "10.0.0.0/255.0.0.0");
handle_local(config, 0, "192.168.0.0/255.255.0.0");
handle_local(config, 0, "172.16.0.0/255.240.0.0");
handle_local(config, 0, "169.254.0.0/255.255.0.0");
rc = 1; /* Severe errors reading configuration */
} else {
memset(&(config->defaultserver), 0x0, sizeof(config->defaultserver));
while (NULL != fgets(line, MAXLINE, conf)) {
/* This line _SHOULD_ end in \n so we */
/* just chop off the \n and hand it on */
if (strlen(line) > 0)
line[strlen(line) - 1] = '\0';
handle_line(config, line, lineno);
lineno++;
}
fclose(conf);
/* Always add the 127.0.0.1/255.0.0.0 subnet to local */
handle_local(config, 0, "127.0.0.0/255.0.0.0");
/* We always consider this local, because many users' dsl
routers act as their DNS. */
handle_local(config, 0, "10.0.0.0/255.0.0.0");
handle_local(config, 0, "192.168.0.0/255.255.0.0");
handle_local(config, 0, "172.16.0.0/255.240.0.0");
handle_local(config, 0, "169.254.0.0/255.255.0.0");
handle_local(config, 0, "192.168.0.0/255.255.0.0");
/* Check default server */
check_server(&(config->defaultserver));
server = (config->paths);
while (server != NULL) {
check_server(server);
server = server->next;
}
}
/* Initialize tordns deadpool_range if not supplied */
if(config->tordns_deadpool_range == NULL) {
handle_tordns_deadpool_range(config, 0, "127.0.69.0/255.255.255.0");
}
return(rc);
}
int read_config (char *filename, struct parsedfile *config) {
FILE *conf;
char line[MAXLINE];
int rc = 0;
int lineno = 1;
struct serverent *server;
/* Clear out the structure */
memset(config, 0x0, sizeof(*config));
/* Initialization */
currentcontext = &(config->defaultserver);
/* Tordns defaults */
config->tordns_cache_size = 256;
config->tordns_enabled = 1;
/* If a filename wasn't provided, use the default */
if (filename == NULL) {
strncpy(line, CONF_FILE, sizeof(line) - 1);
/* Insure null termination */
line[sizeof(line) - 1] = (char) 0;
filename = line;
}
/* Read the configuration file */
if ((conf = fopen(filename, "r")) == NULL) {
show_msg(MSGERR, "Could not open socks configuration file "
"(%s), assuming all networks local\n", filename);
handle_local(config, 0, "0.0.0.0/0.0.0.0");
rc = 1; /* Severe errors reading configuration */
}
else {
memset(&(config->defaultserver), 0x0, sizeof(config->defaultserver));
while (NULL != fgets(line, MAXLINE, conf)) {
/* This line _SHOULD_ end in \n so we */
/* just chop off the \n and hand it on */
if (strlen(line) > 0)
line[strlen(line) - 1] = '\0';
handle_line(config, line, lineno);
lineno++;
}
fclose(conf);
if (!config->localnets) {
/* Use 127.0.0.1/255.0.0.0 by default */
handle_local(config, 0, "127.0.0.0/255.0.0.0");
}
/* Check default server */
check_server(&(config->defaultserver));
server = (config->paths);
while (server != NULL) {
check_server(server);
server = server->next;
}
}
/* Initialize tordns deadpool_range if not supplied */
if(config->tordns_deadpool_range == NULL) {
handle_tordns_deadpool_range(config, 0, "127.0.69.0/255.255.255.0");
}
return(rc);
}
