diff options
| -rw-r--r-- | source3/lib/interfaces.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/source3/lib/interfaces.c b/source3/lib/interfaces.c index 3797fc679d..8925958e95 100644 --- a/source3/lib/interfaces.c +++ b/source3/lib/interfaces.c @@ -191,7 +191,6 @@ void make_net(struct sockaddr_storage *pss_out, Also gets IPv6 interfaces. ****************************************************************************/ -#if HAVE_IFACE_GETIFADDRS /**************************************************************************** Get the netmask address for a local interface. ****************************************************************************/ @@ -269,339 +268,6 @@ static int _get_interfaces(struct iface_struct *ifaces, int max_interfaces) return total; } -#define _FOUND_IFACE_ANY -#endif /* HAVE_IFACE_GETIFADDRS */ -#if HAVE_IFACE_IFCONF - -/* this works for Linux 2.2, Solaris 2.5, SunOS4, HPUX 10.20, OSF1 - V4.0, Ultrix 4.4, SCO Unix 3.2, IRIX 6.4 and FreeBSD 3.2. - - It probably also works on any BSD style system. */ - -/**************************************************************************** - Get the netmask address for a local interface. -****************************************************************************/ - -static int _get_interfaces(struct iface_struct *ifaces, int max_interfaces) -{ - struct ifconf ifc; - char buff[8192]; - int fd, i, n; - struct ifreq *ifr=NULL; - int total = 0; - - if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { - return -1; - } - - ifc.ifc_len = sizeof(buff); - ifc.ifc_buf = buff; - - if (ioctl(fd, SIOCGIFCONF, &ifc) != 0) { - close(fd); - return -1; - } - - ifr = ifc.ifc_req; - - n = ifc.ifc_len / sizeof(struct ifreq); - - /* Loop through interfaces, looking for given IP address */ - for (i=n-1;i>=0 && total < max_interfaces;i--) { - - memset(&ifaces[total], '\0', sizeof(ifaces[total])); - - /* Check the interface is up. */ - if (ioctl(fd, SIOCGIFFLAGS, &ifr[i]) != 0) { - continue; - } - - ifaces[total].flags = ifr[i].ifr_flags; - - if (!(ifaces[total].flags & IFF_UP)) { - continue; - } - - if (ioctl(fd, SIOCGIFADDR, &ifr[i]) != 0) { - continue; - } - - strlcpy(ifaces[total].name, ifr[i].ifr_name, - sizeof(ifaces[total].name)); - - memcpy(&ifaces[total].ip, &ifr[i].ifr_addr, - sizeof(struct sockaddr_in)); - - if (ioctl(fd, SIOCGIFNETMASK, &ifr[i]) != 0) { - continue; - } - - memcpy(&ifaces[total].netmask, &ifr[i].ifr_netmask, - sizeof(struct sockaddr_in)); - - if (ifaces[total].flags & IFF_BROADCAST) { - if (ioctl(fd, SIOCGIFBRDADDR, &ifr[i]) != 0) { - continue; - } - memcpy(&ifaces[total].bcast, &ifr[i].ifr_broadaddr, - sizeof(struct sockaddr_in)); - } else if (ifaces[total].flags & IFF_POINTOPOINT) { - if (ioctl(fd, SIOCGIFDSTADDR, &ifr[i]) != 0) { - continue; - } - memcpy(&ifaces[total].bcast, &ifr[i].ifr_dstaddr, - sizeof(struct sockaddr_in)); - } else { - continue; - } - - total++; - } - - close(fd); - - return total; -} - -#define _FOUND_IFACE_ANY -#endif /* HAVE_IFACE_IFCONF */ -#ifdef HAVE_IFACE_IFREQ - -#ifndef I_STR -#include <sys/stropts.h> -#endif - -/**************************************************************************** - This should cover most of the streams based systems. - Thanks to Andrej.Borsenkow@mow.siemens.ru for several ideas in this code. -****************************************************************************/ - -static int _get_interfaces(struct iface_struct *ifaces, int max_interfaces) -{ - struct ifreq ifreq; - struct strioctl strioctl; - char buff[8192]; - int fd, i, n; - struct ifreq *ifr=NULL; - int total = 0; - - if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { - return -1; - } - - strioctl.ic_cmd = SIOCGIFCONF; - strioctl.ic_dp = buff; - strioctl.ic_len = sizeof(buff); - if (ioctl(fd, I_STR, &strioctl) < 0) { - close(fd); - return -1; - } - - /* we can ignore the possible sizeof(int) here as the resulting - number of interface structures won't change */ - n = strioctl.ic_len / sizeof(struct ifreq); - - /* we will assume that the kernel returns the length as an int - at the start of the buffer if the offered size is a - multiple of the structure size plus an int */ - if (n*sizeof(struct ifreq) + sizeof(int) == strioctl.ic_len) { - ifr = (struct ifreq *)(buff + sizeof(int)); - } else { - ifr = (struct ifreq *)buff; - } - - /* Loop through interfaces */ - - for (i = 0; i<n && total < max_interfaces; i++) { - - memset(&ifaces[total], '\0', sizeof(ifaces[total])); - - ifreq = ifr[i]; - - strioctl.ic_cmd = SIOCGIFFLAGS; - strioctl.ic_dp = (char *)&ifreq; - strioctl.ic_len = sizeof(struct ifreq); - if (ioctl(fd, I_STR, &strioctl) != 0) { - continue; - } - - ifaces[total].flags = ifreq.ifr_flags; - - if (!(ifaces[total].flags & IFF_UP)) { - continue; - } - - strioctl.ic_cmd = SIOCGIFADDR; - strioctl.ic_dp = (char *)&ifreq; - strioctl.ic_len = sizeof(struct ifreq); - if (ioctl(fd, I_STR, &strioctl) != 0) { - continue; - } - - strlcpy(ifaces[total].name, - ifreq.ifr_name, - sizeof(ifaces[total].name)); - - memcpy(&ifaces[total].ip, &ifreq.ifr_addr, - sizeof(struct sockaddr_in)); - - strioctl.ic_cmd = SIOCGIFNETMASK; - strioctl.ic_dp = (char *)&ifreq; - strioctl.ic_len = sizeof(struct ifreq); - if (ioctl(fd, I_STR, &strioctl) != 0) { - continue; - } - - memcpy(&ifaces[total].netmask, &ifreq.ifr_addr, - sizeof(struct sockaddr_in)); - - if (ifaces[total].flags & IFF_BROADCAST) { - strioctl.ic_cmd = SIOCGIFBRDADDR; - strioctl.ic_dp = (char *)&ifreq; - strioctl.ic_len = sizeof(struct ifreq); - if (ioctl(fd, I_STR, &strioctl) != 0) { - continue; - } - memcpy(&ifaces[total].bcast, &ifreq.ifr_broadaddr, - sizeof(struct sockaddr_in)); - } else if (ifaces[total].flags & IFF_POINTOPOINT) { - strioctl.ic_cmd = SIOCGIFDSTADDR; - strioctl.ic_dp = (char *)&ifreq; - strioctl.ic_len = sizeof(struct ifreq); - if (ioctl(fd, I_STR, &strioctl) != 0) { - continue; - } - memcpy(&ifaces[total].bcast, &ifreq.ifr_dstaddr, - sizeof(struct sockaddr_in)); - } else { - continue; - } - - total++; - } - - close(fd); - - return total; -} - -#define _FOUND_IFACE_ANY -#endif /* HAVE_IFACE_IFREQ */ -#ifdef HAVE_IFACE_AIX - -/**************************************************************************** - This one is for AIX (tested on 4.2). -****************************************************************************/ - -static int _get_interfaces(struct iface_struct *ifaces, int max_interfaces) -{ - char buff[8192]; - int fd, i; - struct ifconf ifc; - struct ifreq *ifr=NULL; - int total = 0; - - if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { - return -1; - } - - - ifc.ifc_len = sizeof(buff); - ifc.ifc_buf = buff; - - if (ioctl(fd, SIOCGIFCONF, &ifc) != 0) { - close(fd); - return -1; - } - - ifr = ifc.ifc_req; - - /* Loop through interfaces */ - i = ifc.ifc_len; - - while (i > 0 && total < max_interfaces) { - uint_t inc; - - memset(&ifaces[total], '\0', sizeof(ifaces[total])); - - inc = ifr->ifr_addr.sa_len; - - if (ioctl(fd, SIOCGIFFLAGS, ifr) != 0) { - goto next; - } - - ifaces[total].flags = ifr->ifr_flags; - - if (!(ifaces[total].flags & IFF_UP)) { - goto next; - } - - if (ioctl(fd, SIOCGIFADDR, ifr) != 0) { - goto next; - } - - memcpy(&ifaces[total].ip, &ifr->ifr_addr, - sizeof(struct sockaddr_in)); - - strlcpy(ifaces[total].name, ifr->ifr_name, - sizeof(ifaces[total].name)); - - if (ioctl(fd, SIOCGIFNETMASK, ifr) != 0) { - goto next; - } - - memcpy(&ifaces[total].netmask, &ifr->ifr_addr, - sizeof(struct sockaddr_in)); - - if (ifaces[total].flags & IFF_BROADCAST) { - if (ioctl(fd, SIOCGIFBRDADDR, ifr) != 0) { - goto next; - } - memcpy(&ifaces[total].bcast, &ifr->ifr_broadaddr, - sizeof(struct sockaddr_in)); - } else if (ifaces[total].flags & IFF_POINTOPOINT) { - if (ioctl(fd, SIOCGIFDSTADDR, ifr) != 0) { - goto next; - } - memcpy(&ifaces[total].bcast, &ifr->ifr_dstaddr, - sizeof(struct sockaddr_in)); - } else { - goto next; - } - - - total++; - - next: - /* - * Patch from Archie Cobbs (archie@whistle.com). The - * addresses in the SIOCGIFCONF interface list have a - * minimum size. Usually this doesn't matter, but if - * your machine has tunnel interfaces, etc. that have - * a zero length "link address", this does matter. */ - - if (inc < sizeof(ifr->ifr_addr)) - inc = sizeof(ifr->ifr_addr); - inc += IFNAMSIZ; - - ifr = (struct ifreq*) (((char*) ifr) + inc); - i -= inc; - } - - close(fd); - return total; -} - -#define _FOUND_IFACE_ANY -#endif /* HAVE_IFACE_AIX */ -#ifndef _FOUND_IFACE_ANY -static int _get_interfaces(struct iface_struct *ifaces, int max_interfaces) -{ - return -1; -} -#endif - - static int iface_comp(struct iface_struct *i1, struct iface_struct *i2) { int r; @@ -693,55 +359,3 @@ int get_interfaces(struct iface_struct *ifaces, int max_interfaces) return total; } - -#ifdef AUTOCONF_TEST -/* this is the autoconf driver to test get_interfaces() */ - -static socklen_t calc_sa_size(struct sockaddr *psa) -{ - socklen_t sl = sizeof(struct sockaddr_in); -#if defined(HAVE_IPV6) - if (psa->sa_family == AF_INET6) { - sl = sizeof(struct sockaddr_in6); - } -#endif - return sl; -} - - int main() -{ - struct iface_struct ifaces[MAX_INTERFACES]; - int total = get_interfaces(ifaces, MAX_INTERFACES); - int i; - - printf("got %d interfaces:\n", total); - if (total <= 0) { - exit(1); - } - - for (i=0;i<total;i++) { - char addr[INET6_ADDRSTRLEN]; - int ret; - printf("%-10s ", ifaces[i].name); - addr[0] = '\0'; - ret = getnameinfo((struct sockaddr *)&ifaces[i].ip, - calc_sa_size(&ifaces[i].ip), - addr, sizeof(addr), - NULL, 0, NI_NUMERICHOST); - printf("IP=%s ", addr); - addr[0] = '\0'; - ret = getnameinfo((struct sockaddr *)&ifaces[i].netmask, - calc_sa_size(&ifaces[i].netmask), - addr, sizeof(addr), - NULL, 0, NI_NUMERICHOST); - printf("NETMASK=%s ", addr); - addr[0] = '\0'; - ret = getnameinfo((struct sockaddr *)&ifaces[i].bcast, - calc_sa_size(&ifaces[i].bcast), - addr, sizeof(addr), - NULL, 0, NI_NUMERICHOST); - printf("BCAST=%s\n", addr); - } - return 0; -} -#endif |