*
* For license terms, see the file COPYING in this directory.
*/
+
+#include "fetchmail.h"
+#ifdef CAN_MONITOR
+
#include <sys/types.h>
#include <sys/param.h>
-#if (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__)
+#if defined(linux)
+#include <sys/utsname.h>
+#endif
-#include "config.h"
#include <stdio.h>
#include <string.h>
-#if defined(STDC_HEADERS)
#include <stdlib.h>
-#endif
-#if defined(HAVE_UNISTD_H)
#include <unistd.h>
-#endif
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#if defined(__FreeBSD__)
#if defined __FreeBSD_USE_KVM
-#if __FreeBSD_version >= 300001
#include <net/if_var.h>
-#endif
#include <kvm.h>
#include <nlist.h>
#include <sys/fcntl.h>
-#else
+#else /* !defined __FreeBSD_USE_KVM */
#include <sys/sysctl.h>
#include <net/route.h>
#include <net/if_dl.h>
-#endif
-#endif
-#include "config.h"
-#include "fetchmail.h"
+#endif /* defined __FreeBSD_USE_KVM */
+#endif /* defined __FreeBSD__ */
#include "socket.h"
-#include "i18n.h"
+#include "gettext.h"
#include "tunable.h"
typedef struct {
struct in_addr interface_mask;
} *interface_pair;
-static char *netdevfmt;
-
/*
* Count of packets to see on an interface before monitor considers it up.
* Needed because when pppd shuts down the link, the packet counts go up
*/
#define MONITOR_SLOP 5
-#if defined(linux)
+#ifdef linux
+#define have_interface_init
+
+static const char *netdevfmt;
void interface_init(void)
-/* figure out which /proc/dev/net format to use */
+/* figure out which /proc/net/dev format to use */
{
- FILE *fp = popen("uname -r", "r"); /* still wins if /proc is out */
+ struct utsname utsname;
- /* pre-linux-2.2 format -- transmit packet count in 8th field */
- netdevfmt = "%d %d %*d %*d %*d %d %*d %d %*d %*d %*d %*d %d";
+ /* Linux 2.2 -- transmit packet count in 10th field */
+ netdevfmt = "%d %d %*d %*d %*d %d %*d %*d %*d %d %*d %*d %d";
- if (!fp)
- return;
+ if (uname(&utsname) < 0)
+ return;
else
{
int major, minor;
- if (fscanf(fp, "%d.%d.%*d", &major, &minor) >= 2
- && major >= 2 && minor >= 2)
- /* Linux 2.2 -- transmit packet count in 10th field */
- netdevfmt = "%d %d %*d %*d %*d %d %*d %*d %*d %d %*d %*d %d";
- pclose(fp);
+ if (sscanf(utsname.release, "%d.%d.%*d", &major, &minor) >= 2
+ && (major < 2 || (major == 2 && minor < 2)))
+ /* pre-linux-2.2 format -- transmit packet count in 8th field */
+ netdevfmt = "%d %d %*d %*d %*d %d %*d %d %*d %*d %*d %*d %d";
}
}
result = FALSE;
else
{
- char *sp = strchr(ifname, '/');
-
+ char *tmp = xstrdup(ifname);
+ char *sp = strchr(tmp, '/');
+ /* hide slash and trailing info from ifname */
if (sp)
*sp = '\0';
- result = _get_ifinfoGT_(socket_fd, stats_file, ifname, ifinfo);
- if (sp)
- *sp = '/';
+ result = _get_ifinfoGT_(socket_fd, stats_file, tmp, ifinfo);
+ free(tmp);
}
if (socket_fd >= 0)
SockClose(socket_fd);
static int
get_ifinfo(const char *ifname, ifinfo_t *ifinfo)
{
- char tname[16];
+ char tname[16];
char iname[16];
- struct ifnet ifnet;
+ struct ifnet ifnet;
unsigned long ifnet_addr = ifnet_savedaddr;
-#if __FreeBSD_version >= 300001
struct ifnethead ifnethead;
struct ifaddrhead ifaddrhead;
-#endif
struct ifaddr ifaddr;
unsigned long ifaddr_addr;
struct sockaddr sa;
- unsigned long sa_addr;
uint i;
if (if_egid)
setegid(if_egid);
- for (i = 0; ifname[i] && ifname[i] != '/'; i++)
+ for (i = 0; ifname[i] && ifname[i] != '/' && i < sizeof(iname) - 1; i++)
iname[i] = ifname[i];
iname[i] = '\0';
}
}
-#if __FreeBSD_version >= 300001
kvm_read(kvmfd, ifnet_savedaddr, (char *) &ifnethead, sizeof ifnethead);
ifnet_addr = (u_long) ifnethead.tqh_first;
-#else
- ifnet_addr = ifnet_savedaddr;
-#endif
while (ifnet_addr)
{
kvm_read(kvmfd, ifnet_addr, &ifnet, sizeof(ifnet));
kvm_read(kvmfd, (unsigned long) ifnet.if_name, tname, sizeof tname);
- snprintf(tname, sizeof tname, "%s%d", tname, ifnet.if_unit);
+ snprintf(tname + strlen(tname), sizeof(tname) - strlen(tname), "%d", ifnet.if_unit);
if (!strcmp(tname, iname))
{
ifinfo->rx_packets = ifnet.if_ipackets;
ifinfo->tx_packets = ifnet.if_opackets;
-#if __FreeBSD_version >= 300001
ifaddr_addr = (u_long) ifnet.if_addrhead.tqh_first;
-#else
- ifaddr_addr = (u_long) ifnet.if_addrlist;
-#endif
while(ifaddr_addr)
{
if (sa.sa_family != AF_INET)
{
-#if __FreeBSD_version >= 300001
ifaddr_addr = (u_long) ifaddr.ifa_link.tqe_next;
-#else
- ifaddr_addr = (u_long) ifaddr.ifa_next;
-#endif
continue;
}
return 0;
}
-#if __FreeBSD_version >= 300001
ifnet_addr = (u_long) ifnet.if_link.tqe_next;
-#else
- ifnet_addr = (unsigned long) ifnet.if_next;
-#endif
}
if (if_egid)
char iname[16];
int mib[6];
- memset(ifinfo, 0, sizeof(ifinfo));
+ memset(ifinfo, 0, sizeof(*ifinfo));
/* trim interface name */
GT_("get_ifinfo: sysctl (iflist estimate) failed"));
exit(1);
}
- if ((buf = malloc(needed)) == NULL)
+ if ((buf = (char *)malloc(needed)) == NULL)
{
report(stderr,
GT_("get_ifinfo: malloc failed"));
}
sin = (struct sockaddr_in *)info.rti_info[RTAX_NETMASK];
- if (!sin)
+ if (sin)
{
ifinfo->netmask = sin->sin_addr;
}
* of non point-to-point link
*/
sin = (struct sockaddr_in *)info.rti_info[RTAX_BRD];
- if (!sin)
+ if (sin)
{
ifinfo->dstaddr = sin->sin_addr;
}
#endif /* __FREEBSD_USE_SYSCTL_GET_IFFINFO */
-#endif /* defined __FreeBSD__ */
-
+#endif
#ifndef HAVE_INET_ATON
/*
/* parse 'interface' specification */
{
char *cp1, *cp2;
+ char mask1[] = "255.255.255.255";
hp->interface = xstrdup(buf);
/* find and isolate just the netmask */
if (!(cp2 = strchr(cp1, '/')))
- cp2 = "255.255.255.255";
+ cp2 = mask1;
else
*cp2++ = '\000';
return(TRUE);
}
-#endif /* (defined(linux) && !defined(INET6_ENABLE)) || defined(__FreeBSD__) */
+#endif /* CAN_MONITOR */
+
+#ifndef have_interface_init
+void interface_init(void) {}
+#endif