#include "fetchmail.h"
#include "getaddrinfo.h"
#include "i18n.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <netdb.h>
#if defined(HAVE_NETINET_IN_H)
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#include <sys/socket.h>
int servport(const char *service) {
int port, e;
unsigned long u;
char *end;
if (service == 0)
return -1;
errno = 0;
u = strtoul(service, &end, 10);
if (errno || end[strspn(end, POSIX_space)] != '\0') {
struct addrinfo hints, *res;
if (strcmp(service, "kpop") == 0)
return 1109;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
e = fm_getaddrinfo(NULL, service, &hints, &res);
if (e) {
report(stderr, GT_("getaddrinfo(NULL, \"%s\") error: %s\n"),
service, gai_strerror(e));
goto err;
} else {
switch(res->ai_addr->sa_family) {
case AF_INET:
port = ntohs(((struct sockaddr_in *)res->ai_addr)->sin_port);
break;
#ifdef AF_INET6
case AF_INET6:
port = ntohs(((struct sockaddr_in6 *)res->ai_addr)->sin6_port);
break;
#endif
default:
fm_freeaddrinfo(res);
goto err;
}
fm_freeaddrinfo(res);
}
} else {
if (u == 0 || u > 65535)
goto err;
port = u;
}
return port;
err:
report(stderr, GT_("Cannot resolve service %s to port number.\n"), service);
report(stderr, GT_("Please specify the service as decimal port number.\n"));
return -1;
}