/** Allow a config option to be added to rc_handle from inside a program
*
* @param rh a handle to parsed configuration.
* @param option_name the name of the option.
* @param option_val the value to be added.
* @param source typically should be %__FILE__ or %__func__ for logging purposes.
* @param line %__LINE__ for logging purposes.
* @return 0 on success, -1 on failure.
*/
int rc_add_config(rc_handle *rh, char const *option_name, char const *option_val, char const *source, int line)
{
OPTION *option;
if ((option = find_option(rh, option_name, OT_ANY)) == NULL)
{
rc_log(LOG_ERR, "ERROR: unrecognized option: %s", option_name);
return -1;
}
if (option->status != ST_UNDEF)
{
rc_log(LOG_ERR, "ERROR: duplicate option: %s", option_name);
return -1;
}
switch (option->type) {
case OT_STR:
if (set_option_str(source, line, option, option_val) < 0) {
return -1;
}
break;
case OT_INT:
if (set_option_int(source, line, option, option_val) < 0) {
return -1;
}
break;
case OT_SRV:
if (set_option_srv(source, line, option, option_val) < 0) {
return -1;
}
break;
case OT_AUO:
if (set_option_auo(source, line, option, option_val) < 0) {
return -1;
}
break;
default:
rc_log(LOG_CRIT, "rc_add_config: impossible case branch!");
abort();
}
if (strcmp(option->name, "bindaddr") == 0) {
memset(&rh->own_bind_addr, 0, sizeof(rh->own_bind_addr));
rh->own_bind_addr_set = 0;
rc_own_bind_addr(rh, &rh->own_bind_addr);
rh->own_bind_addr_set = 1;
}
return 0;
}
int rc_add_config(rc_handle *rh, const char *option_name, const char *option_val, const char *source, const int line)
{
OPTION *option;
if ((option = find_option(rh, option_name, OT_ANY)) == NULL)
{
rc_log(LOG_ERR, "ERROR: unrecognized option: %s", option_name);
return -1;
}
if (option->status != ST_UNDEF)
{
rc_log(LOG_ERR, "ERROR: duplicate option: %s", option_name);
return -1;
}
switch (option->type) {
case OT_STR:
if (set_option_str(source, line, option, option_val) < 0) {
return -1;
}
break;
case OT_INT:
if (set_option_int(source, line, option, option_val) < 0) {
return -1;
}
break;
case OT_SRV:
if (set_option_srv(source, line, option, option_val) < 0) {
return -1;
}
break;
case OT_AUO:
if (set_option_auo(source, line, option, option_val) < 0) {
return -1;
}
break;
default:
rc_log(LOG_CRIT, "rc_read_config: impossible case branch!");
abort();
}
return 0;
}
int rc_read_config(char *filename)
{
FILE *configfd;
char buffer[512], *p;
OPTION *option;
int line, pos;
if ((configfd = fopen(filename,"r")) == NULL)
{
errorlog("rc_read_config: can't open %s: %m", filename);
return (-1);
}
line = 0;
while ((fgets(buffer, sizeof(buffer), configfd) != NULL))
{
line++;
p = buffer;
if ((*p == '\n') || (*p == '#') || (*p == '\0'))
continue;
p[strlen(p)-1] = '\0';
if ((pos = strcspn(p, "\t ")) == 0) {
errorlog("%s: line %d: bogus format: %s", filename, line, p);
return (-1);
}
p[pos] = '\0';
if ((option = find_option(p, OT_ANY)) == NULL) {
errorlog("%s: line %d: unrecognized keyword: %s", filename, line, p);
return (-1);
}
if (option->status != ST_UNDEF) {
errorlog("%s: line %d: duplicate option line: %s", filename, line, p);
return (-1);
}
p += pos+1;
while (isspace(*p))
p++;
switch (option->type) {
case OT_STR:
if (set_option_str(filename, line, option, p) < 0)
return (-1);
break;
case OT_INT:
if (set_option_int(filename, line, option, p) < 0)
return (-1);
break;
case OT_SRV:
if (set_option_srv(filename, line, option, p) < 0)
return (-1);
break;
case OT_AUO:
if (set_option_auo(filename, line, option, p) < 0)
return (-1);
break;
default:
fatallog("rc_read_config: impossible case branch!");
abort();
}
}
fclose(configfd);
return test_config(filename);
}
rc_handle *
rc_read_config(const char *filename)
{
FILE *configfd;
char buffer[512], *p;
OPTION *option;
int line;
size_t pos;
rc_handle *rh;
rh = rc_new();
if (rh == NULL)
return NULL;
rh->config_options = malloc(sizeof(config_options_default));
if (rh->config_options == NULL) {
rc_log(LOG_CRIT, "rc_read_config: out of memory");
rc_destroy(rh);
return NULL;
}
memcpy(rh->config_options, &config_options_default, sizeof(config_options_default));
if ((configfd = fopen(filename,"r")) == NULL)
{
rc_log(LOG_ERR,"rc_read_config: can't open %s: %s", filename, strerror(errno));
rc_destroy(rh);
return NULL;
}
line = 0;
while ((fgets(buffer, sizeof(buffer), configfd) != NULL))
{
line++;
p = buffer;
if ((*p == '\n') || (*p == '#') || (*p == '\0'))
continue;
p[strlen(p)-1] = '\0';
if ((pos = strcspn(p, "\t ")) == 0) {
rc_log(LOG_ERR, "%s: line %d: bogus format: %s", filename, line, p);
fclose(configfd);
rc_destroy(rh);
return NULL;
}
p[pos] = '\0';
if ((option = find_option(rh, p, OT_ANY)) == NULL) {
rc_log(LOG_ERR, "%s: line %d: unrecognized keyword: %s", filename, line, p);
fclose(configfd);
rc_destroy(rh);
return NULL;
}
if (option->status != ST_UNDEF) {
rc_log(LOG_ERR, "%s: line %d: duplicate option line: %s", filename, line, p);
fclose(configfd);
rc_destroy(rh);
return NULL;
}
p += pos+1;
while (isspace(*p))
p++;
pos = strlen(p) - 1;
while(pos >= 0 && isspace(p[pos]))
pos--;
p[pos + 1] = '\0';
switch (option->type) {
case OT_STR:
if (set_option_str(filename, line, option, p) < 0) {
fclose(configfd);
rc_destroy(rh);
return NULL;
}
break;
case OT_INT:
if (set_option_int(filename, line, option, p) < 0) {
fclose(configfd);
rc_destroy(rh);
return NULL;
}
break;
case OT_SRV:
if (set_option_srv(filename, line, option, p) < 0) {
fclose(configfd);
rc_destroy(rh);
return NULL;
}
break;
case OT_AUO:
if (set_option_auo(filename, line, option, p) < 0) {
fclose(configfd);
rc_destroy(rh);
return NULL;
}
break;
default:
rc_log(LOG_CRIT, "rc_read_config: impossible case branch!");
abort();
}
}
fclose(configfd);
if (test_config(rh, filename) == -1) {
rc_destroy(rh);
return NULL;
}
return rh;
}
