diff options
Diffstat (limited to 'src/nss-myhostname/addresses.c')
| -rw-r--r-- | src/nss-myhostname/addresses.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/nss-myhostname/addresses.c b/src/nss-myhostname/addresses.c deleted file mode 100644 index d75e850494..0000000000 --- a/src/nss-myhostname/addresses.c +++ /dev/null @@ -1,149 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 2008-2011 Lennart Poettering - Copyright 2014 Tom Gundersen - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "sd-rtnl.h" -#include "rtnl-util.h" -#include "macro.h" -#include "addresses.h" - -static int address_compare(const void *_a, const void *_b) { - const struct address *a = _a, *b = _b; - - /* Order lowest scope first, IPv4 before IPv6, lowest interface index first */ - - if (a->scope < b->scope) - return -1; - if (a->scope > b->scope) - return 1; - - if (a->family == AF_INET && b->family == AF_INET6) - return -1; - if (a->family == AF_INET6 && b->family == AF_INET) - return 1; - - if (a->ifindex < b->ifindex) - return -1; - if (a->ifindex > b->ifindex) - return 1; - - return 0; -} - -int acquire_addresses(struct address **_list, unsigned *_n_list) { - _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL; - _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL; - _cleanup_free_ struct address *list = NULL; - size_t n_list = 0, n_allocated = 0; - sd_rtnl_message *m; - int r; - - r = sd_rtnl_open(&rtnl, 0); - if (r < 0) - return r; - - r = sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC); - if (r < 0) - return r; - - r = sd_rtnl_call(rtnl, req, 0, &reply); - if (r < 0) - return r; - - for (m = reply; m; m = sd_rtnl_message_next(m)) { - struct address *a; - unsigned char flags; - uint16_t type; - - r = sd_rtnl_message_get_errno(m); - if (r < 0) - return r; - - r = sd_rtnl_message_get_type(m, &type); - if (r < 0) - return r; - - if (type != RTM_NEWADDR) - continue; - - r = sd_rtnl_message_addr_get_flags(m, &flags); - if (r < 0) - return r; - - if (flags & IFA_F_DEPRECATED) - continue; - - if (!GREEDY_REALLOC(list, n_allocated, n_list+1)) - return -ENOMEM; - - a = list + n_list; - - r = sd_rtnl_message_addr_get_scope(m, &a->scope); - if (r < 0) - return r; - - if (a->scope == RT_SCOPE_HOST || a->scope == RT_SCOPE_NOWHERE) - continue; - - r = sd_rtnl_message_addr_get_family(m, &a->family); - if (r < 0) - return r; - - switch (a->family) { - - case AF_INET: - r = sd_rtnl_message_read_in_addr(m, IFA_LOCAL, &a->address.in); - if (r < 0) { - r = sd_rtnl_message_read_in_addr(m, IFA_ADDRESS, &a->address.in); - if (r < 0) - continue; - } - break; - - case AF_INET6: - r = sd_rtnl_message_read_in6_addr(m, IFA_LOCAL, &a->address.in6); - if (r < 0) { - r = sd_rtnl_message_read_in6_addr(m, IFA_ADDRESS, &a->address.in6); - if (r < 0) - continue; - } - break; - - default: - continue; - } - - r = sd_rtnl_message_addr_get_ifindex(m, &a->ifindex); - if (r < 0) - return r; - - n_list++; - }; - - if (n_list) - qsort(list, n_list, sizeof(struct address), address_compare); - - *_list = list; - list = NULL; - *_n_list = n_list; - - return 0; -} |