static int add_ticket(const char *name, struct ticket_config **tkp,
const struct ticket_config *def)
{
int rv;
struct ticket_config *tk;
if (booth_conf->ticket_count == booth_conf->ticket_allocated) {
rv = ticket_realloc();
if (rv < 0)
return rv;
}
tk = booth_conf->ticket + booth_conf->ticket_count;
booth_conf->ticket_count++;
if (!check_max_len_valid(name, sizeof(tk->name))) {
log_error("ticket name \"%s\" too long.", name);
return -EINVAL;
}
if (find_ticket_by_name(name, NULL)) {
log_error("ticket name \"%s\" used again.", name);
return -EINVAL;
}
if (* skip_while_in(name, isalnum, "-/")) {
log_error("ticket name \"%s\" invalid; only alphanumeric names.", name);
return -EINVAL;
}
strcpy(tk->name, name);
tk->timeout = def->timeout;
tk->term_duration = def->term_duration;
tk->retries = def->retries;
memcpy(tk->weight, def->weight, sizeof(tk->weight));
tk->mode = def->mode;
if (tkp)
*tkp = tk;
return 0;
}
int read_config(const char *path)
{
char line[1024];
FILE *fp;
char *s, *k, *v, *e, *w, *c;
int quo, equ, ischar, i;
int lineno = 0;
fp = fopen(path, "r");
if (!fp) {
log_error("failed to open %s: %s", path, strerror(errno));
return -1;
}
booth_conf = malloc(sizeof(struct booth_config)
+ TICKET_ALLOC * sizeof(struct ticket_config));
if (!booth_conf) {
log_error("failed to alloc memory for booth config");
return -ENOMEM;
}
memset(booth_conf, 0, sizeof(struct booth_config)
+ TICKET_ALLOC * sizeof(struct ticket_config));
ticket_size = TICKET_ALLOC;
while (fgets(line, sizeof(line), fp)) {
lineno++;
s = line;
while (*s == ' ')
s++;
if (*s == '#' || *s == '\n')
continue;
if (*s == '-' || *s == '.' || *s =='/'
|| *s == '+' || *s == '(' || *s == ')'
|| *s == ':' || *s == ',' || *s == '@'
|| *s == '=' || *s == '"') {
log_error("invalid key name in config file "
"('%c', lineno %d)", *s, lineno);
goto out;
}
k = s;
v = NULL;
quo = 0;
equ = 0;
ischar = 0;
while (*s != '\n') {
if (!(*s >='a' && *s <= 'z')
&& !(*s >= 'A' && *s <= 'Z')
&& !(*s >= '0' && *s <= '9')
&& !(*s == '_')
&& !(*s == '-')
&& !(*s == '.')
&& !(*s == '/')
&& !(*s == ' ')
&& !(*s == '+')
&& !(*s == '(')
&& !(*s == ')')
&& !(*s == ':')
&& !(*s == ';')
&& !(*s == ',')
&& !(*s == '@')
&& !(*s == '=')
&& !(*s == '"')) {
log_error("invalid character ('%c', lineno %d)"
" in config file", *s, lineno);
goto out;
}
if (*s == '=' && !equ) {
equ = 1;
*s = '\0';
v = s + 1;
} else if (*s == '=' && equ && !quo) {
log_error("invalid config file format "
"(lineno %d)", lineno);
goto out;
} else if ((*s == '_' || *s == '-' || *s == '.')
&& equ && !quo) {
log_error("invalid config file format "
"(lineno %d)", lineno);
goto out;
} else if ((*s == '/' || *s == ' ' || *s == '+'
|| *s == '(' || *s == ')' || *s == ':'
|| *s == ',' || *s == '@') && !quo) {
log_error("invalid config file format "
"(lineno %d)", lineno);
goto out;
} else if (*s == '"' && !equ) {
log_error("invalid config file format "
"(lineno %d)", lineno);
goto out;
} else if (*s == '"' && !quo) {
quo = 1;
if (v) {
v++;
ischar = 1;
}
} else if (*s == '"' && quo) {
quo = 0;
*s = '\0';
}
s++;
}
if (!equ || quo) {
log_error("invalid config file format (lineno %d)",
lineno);
goto out;
}
if (!ischar)
*s = '\0';
if (strlen(k) > BOOTH_NAME_LEN
|| strlen(v) > BOOTH_NAME_LEN) {
log_error("key/value too long");
goto out;
}
if (!strcmp(k, "transport")) {
if (!strcmp(v, "UDP"))
booth_conf->proto = UDP;
else if (!strcmp(v, "SCTP"))
booth_conf->proto = SCTP;
else {
log_error("invalid transport protocol");
goto out;
}
}
if (!strcmp(k, "port"))
booth_conf->port = atoi(v);
if (!strcmp(k, "site")) {
if (booth_conf->node_count == MAX_NODES) {
log_error("too many nodes");
goto out;
}
booth_conf->node[booth_conf->node_count].family =
BOOTH_PROTO_FAMILY;
booth_conf->node[booth_conf->node_count].type = SITE;
booth_conf->node[booth_conf->node_count].nodeid =
booth_conf->node_count;
strcpy(booth_conf->node[booth_conf->node_count++].addr,
v);
}
if (!strcmp(k, "arbitrator")) {
if (booth_conf->node_count == MAX_NODES) {
log_error("too many nodes");
goto out;
}
booth_conf->node[booth_conf->node_count].family =
BOOTH_PROTO_FAMILY;
booth_conf->node[booth_conf->node_count].type =
ARBITRATOR;
booth_conf->node[booth_conf->node_count].nodeid =
booth_conf->node_count;
strcpy(booth_conf->node[booth_conf->node_count++].addr,
v);
}
if (!strcmp(k, "ticket")) {
int count = booth_conf->ticket_count;
if (booth_conf->ticket_count == ticket_size) {
if (ticket_realloc() < 0)
goto out;
}
e = index(v, ';');
w = rindex(v, ';');
if (!e)
strcpy(booth_conf->ticket[count].name, v);
else if (e && e == w) {
*e++ = '\0';
while (*e == ' ')
e++;
strcpy(booth_conf->ticket[count].name, v);
booth_conf->ticket[count].expiry = atoi(e);
} else {
*e++ = '\0';
*w++ = '\0';
while (*e == ' ')
e++;
while (*w == ' ')
w++;
strcpy(booth_conf->ticket[count].name, v);
booth_conf->ticket[count].expiry = atoi(e);
i = 0;
while ((c = index(w, ','))) {
*c++ = '\0';
booth_conf->ticket[count].weight[i++]
= atoi(w);
while (*c == ' ')
c++;
w = c;
if (i == MAX_NODES) {
log_error("too many weights");
break;
}
}
}
booth_conf->ticket_count++;
}
}
return 0;
out:
free(booth_conf);
return -1;
}