diff options
Diffstat (limited to 'utils/open-isns/sysdep-unix.c')
| -rw-r--r-- | utils/open-isns/sysdep-unix.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/utils/open-isns/sysdep-unix.c b/utils/open-isns/sysdep-unix.c deleted file mode 100644 index d2a9532..0000000 --- a/utils/open-isns/sysdep-unix.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * System dependent stuff - * - * Copyright (C) 2007 Olaf Kirch <olaf.kirch@oracle.com> - */ - -#include <net/if.h> -#include <sys/ioctl.h> -#include <string.h> -#include <unistd.h> -#include "isns.h" -#include "util.h" - -int isns_get_nr_portals(void) -{ - char buffer[8192], *end, *ptr; - struct ifconf ifc; - unsigned int nportals = 0; - int fd = -1; - - if ((fd = socket(PF_INET, SOCK_DGRAM, 0)) < 0) { - isns_error("%s: no socket - %m\n", __FUNCTION__); - return 0; - } - - ifc.ifc_buf = buffer; - ifc.ifc_len = sizeof(buffer); - if (ioctl(fd, SIOCGIFCONF, &ifc) < 0) { - isns_error("ioctl(SIOCGIFCONF): %m\n"); - goto out; - } - - ptr = buffer; - end = buffer + ifc.ifc_len; - while (ptr < end) { - struct ifreq ifr; - struct sockaddr_storage ifaddr; - int ifflags; - - memcpy(&ifr, ptr, sizeof(ifr)); - ptr += sizeof(ifr); - - /* Get the interface addr */ - memcpy(&ifaddr, &ifr.ifr_addr, sizeof(ifr.ifr_addr)); - - if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) { - isns_error("ioctl(%s, SIOCGIFFLAGS): %m\n", - ifr.ifr_name); - continue; - } - ifflags = ifr.ifr_flags; - - if ((ifflags & IFF_UP) == 0) - continue; - if ((ifflags & IFF_LOOPBACK) != 0) - continue; - - if (ifaddr.ss_family == AF_INET6 || ifaddr.ss_family == AF_INET) - nportals++; - } - -out: - if (fd >= 0) - close(fd); - return nportals; -} - -int -isns_enumerate_portals(isns_portal_info_t *result, unsigned int max) -{ - char buffer[8192], *end, *ptr; - struct ifconf ifc; - unsigned int nportals = 0; - int fd = -1; - - if ((fd = socket(PF_INET, SOCK_DGRAM, 0)) < 0) { - isns_error("%s: no socket - %m\n", __FUNCTION__); - return 0; - } - - ifc.ifc_buf = buffer; - ifc.ifc_len = sizeof(buffer); - if (ioctl(fd, SIOCGIFCONF, &ifc) < 0) { - isns_error("ioctl(SIOCGIFCONF): %m\n"); - goto out; - } - - ptr = buffer; - end = buffer + ifc.ifc_len; - while (ptr < end) { - struct ifreq ifr; - struct sockaddr_storage ifaddr; - isns_portal_info_t portal; - int ifflags; - - memcpy(&ifr, ptr, sizeof(ifr)); - ptr += sizeof(ifr); - - /* Get the interface addr */ - memcpy(&ifaddr, &ifr.ifr_addr, sizeof(ifr.ifr_addr)); - - if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) { - isns_error("ioctl(%s, SIOCGIFFLAGS): %m\n", - ifr.ifr_name); - continue; - } - ifflags = ifr.ifr_flags; - - if ((ifflags & IFF_UP) == 0) - continue; - if ((ifflags & IFF_LOOPBACK) != 0) - continue; - - if (!isns_portal_from_sockaddr(&portal, &ifaddr)) - continue; - - isns_debug_socket("Got interface %u: %s %s\n", - nportals, ifr.ifr_name, - isns_portal_string(&portal)); - if (nportals < max) - result[nportals++] = portal; - } - -out: - if (fd >= 0) - close(fd); - return nportals; -} - -int -isns_portal_from_sockaddr(isns_portal_info_t *portal, - const struct sockaddr_storage *addr) -{ - struct sockaddr_in6 *six; - struct sockaddr_in *sin; - - memset(portal, 0, sizeof(*portal)); - - /* May have to convert AF_INET to AF_INET6 */ - six = &portal->addr; - switch (addr->ss_family) { - case AF_INET6: - memcpy(six, addr, sizeof(*six)); - break; - - case AF_INET: - sin = (struct sockaddr_in *) addr; - six->sin6_family = AF_INET6; - six->sin6_addr.s6_addr32[3] = sin->sin_addr.s_addr; - six->sin6_port = sin->sin_port; - break; - - default: - return 0; - } - - return 1; -} - -int -isns_portal_to_sockaddr(const isns_portal_info_t *portal, - struct sockaddr_storage *addr) -{ - const struct sockaddr_in6 *six = &portal->addr; - struct sockaddr_in *sin; - - /* Check if this is really a v4 address is disguise. - * If so, explicitly use an AF_INET socket - the - * stack may not support IPv6. - */ - if (IN6_IS_ADDR_V4MAPPED(&six->sin6_addr) - || IN6_IS_ADDR_V4COMPAT(&six->sin6_addr)) { - sin = (struct sockaddr_in *) addr; - - memset(sin, 0, sizeof(*sin)); - sin->sin_family = AF_INET; - sin->sin_addr.s_addr = six->sin6_addr.s6_addr32[3]; - sin->sin_port = six->sin6_port; - - return sizeof(*sin); - } - - /* This is the genuine article */ - memcpy(addr, six, sizeof(*six)); - return sizeof(*six); -} |