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Configuration: handle hostnames in booth.conf file #57

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Merged
dmuhamedagic merged 2 commits into from
Jun 1, 2017
Merged

Configuration: handle hostnames in booth.conf file #57

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3a1be2a
Config: handle hostnames in booth.conf file
May 31, 2017
abd5168
Change comment style and indentation
May 31, 2017
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29 changes: 28 additions & 1 deletion src/config.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
#include <grp.h>
#include <errno.h>
#include <string.h>
#include <netdb.h>
#include "b_config.h"
#include "booth.h"
#include "config.h"
Expand Down Expand Up @@ -60,6 +61,26 @@ static int ticket_realloc(void)
return 0;
}

static void hostname_to_ip(char * hostname)
{
struct hostent *he;
struct in_addr **addr_list;

if ((he = gethostbyname(hostname)) == NULL) {
log_error("can't find IP for the host \"%s\"", hostname);
return;
}

addr_list = (struct in_addr **) he->h_addr_list;

/* Return the first found address */
if (addr_list[0] != NULL) {
strncpy(hostname, inet_ntoa(*addr_list[0]), BOOTH_NAME_LEN);
}
else {
log_error("no IP addresses found for the host \"%s\"", hostname);
}
}

static int add_site(char *addr_string, int type)
{
Expand All @@ -69,7 +90,6 @@ static int add_site(char *addr_string, int type)
uint32_t mask;
int i;


rv = 1;
if (booth_conf->site_count == MAX_NODES) {
log_error("too many nodes");
Expand All @@ -85,8 +105,15 @@ static int add_site(char *addr_string, int type)

site->family = AF_INET;
site->type = type;

strncpy(site->addr_string, addr_string, sizeof(site->addr_string));

if (!(inet_pton(AF_INET, site->addr_string, &site->sa4.sin_addr) > 0) &&
!(inet_pton(AF_INET6, site->addr_string, &site->sa6.sin6_addr) > 0)) {

/* Not a valid address, so let us try to convert it into an IP address */
hostname_to_ip(site->addr_string);
}

site->index = booth_conf->site_count;
site->bitmask = 1 << booth_conf->site_count;
Expand Down