diff options
Diffstat (limited to 'src/network/sd-network.c')
| -rw-r--r-- | src/network/sd-network.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/src/network/sd-network.c b/src/network/sd-network.c deleted file mode 100644 index 6375788c95..0000000000 --- a/src/network/sd-network.c +++ /dev/null @@ -1,257 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright 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 <unistd.h> -#include <string.h> -#include <errno.h> -#include <sys/inotify.h> -#include <sys/poll.h> -#include <net/if.h> - -#include "util.h" -#include "macro.h" -#include "strv.h" -#include "fileio.h" -#include "sd-network.h" -#include "network-internal.h" - -_public_ int sd_network_get_link_state(int ifindex, char **state) { - _cleanup_free_ char *s = NULL, *p = NULL; - int r; - - assert_return(ifindex > 0, -EINVAL); - assert_return(state, -EINVAL); - - if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL); - if (r == -ENOENT) - return -ENODATA; - else if (r < 0) - return r; - else if (!s) - return -EIO; - - if (streq(s, "initializing")) - return -EBUSY; - - *state = s; - s = NULL; - - return 0; -} - -_public_ int sd_network_get_operational_state(char **state) { - _cleanup_free_ char *s = NULL; - int r; - - assert_return(state, -EINVAL); - - r = parse_env_file("/run/systemd/netif/state", NEWLINE, "OPER_STATE", - &s, NULL); - if (r == -ENOENT) - return -ENODATA; - else if (r < 0) - return r; - else if (!s) - return -EIO; - - *state = s; - s = NULL; - - return 0; -} - -_public_ int sd_network_get_link_operational_state(int ifindex, char **state) { - _cleanup_free_ char *s = NULL, *p = NULL; - int r; - - assert_return(ifindex > 0, -EINVAL); - assert_return(state, -EINVAL); - - if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, "OPER_STATE", &s, NULL); - if (r == -ENOENT) - return -ENODATA; - else if (r < 0) - return r; - else if (!s) - return -EIO; - - *state = s; - s = NULL; - - return 0; -} - -_public_ int sd_network_get_link_llmnr(int ifindex, char **llmnr) { - _cleanup_free_ char *s = NULL, *p = NULL; - int r; - - assert_return(ifindex > 0, -EINVAL); - assert_return(llmnr, -EINVAL); - - if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, "LLMNR", &s, NULL); - if (r == -ENOENT) - return -ENODATA; - else if (r < 0) - return r; - else if (!s) - return -ENODATA; - - *llmnr = s; - s = NULL; - - return 0; -} - -static int network_get_link_strv(const char *key, int ifindex, char ***ret) { - _cleanup_free_ char *p = NULL, *s = NULL; - _cleanup_strv_free_ char **a = NULL; - int r; - - assert_return(ifindex > 0, -EINVAL); - assert_return(ret, -EINVAL); - - if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, key, &s, NULL); - if (r < 0) - return r; - else if (!s) { - *ret = NULL; - - return 0; - } - - a = strv_split(s, " "); - if (!a) - return -ENOMEM; - - strv_uniq(a); - r = strv_length(a); - - *ret = a; - a = NULL; - - return r; -} - -_public_ int sd_network_get_link_dns(int ifindex, char ***ret) { - return network_get_link_strv("DNS", ifindex, ret); -} - -_public_ int sd_network_get_link_ntp(int ifindex, char ***ret) { - return network_get_link_strv("NTP", ifindex, ret); -} - -static inline int MONITOR_TO_FD(sd_network_monitor *m) { - return (int) (unsigned long) m - 1; -} - -static inline sd_network_monitor* FD_TO_MONITOR(int fd) { - return (sd_network_monitor*) (unsigned long) (fd + 1); -} - -_public_ int sd_network_monitor_new(sd_network_monitor **m, const char *category) { - int fd, k; - bool good = false; - - assert_return(m, -EINVAL); - - fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC); - if (fd < 0) - return -errno; - - if (!category || streq(category, "links")) { - k = inotify_add_watch(fd, "/run/systemd/netif/links/", IN_MOVED_TO|IN_DELETE); - if (k < 0) { - safe_close(fd); - return -errno; - } - - good = true; - } - - if (!good) { - close_nointr(fd); - return -EINVAL; - } - - *m = FD_TO_MONITOR(fd); - return 0; -} - -_public_ sd_network_monitor* sd_network_monitor_unref(sd_network_monitor *m) { - int fd; - - assert_return(m, NULL); - - fd = MONITOR_TO_FD(m); - close_nointr(fd); - - return NULL; -} - -_public_ int sd_network_monitor_flush(sd_network_monitor *m) { - - assert_return(m, -EINVAL); - - return flush_fd(MONITOR_TO_FD(m)); -} - -_public_ int sd_network_monitor_get_fd(sd_network_monitor *m) { - - assert_return(m, -EINVAL); - - return MONITOR_TO_FD(m); -} - -_public_ int sd_network_monitor_get_events(sd_network_monitor *m) { - - assert_return(m, -EINVAL); - - /* For now we will only return POLLIN here, since we don't - * need anything else ever for inotify. However, let's have - * this API to keep our options open should we later on need - * it. */ - return POLLIN; -} - -_public_ int sd_network_monitor_get_timeout(sd_network_monitor *m, uint64_t *timeout_usec) { - - assert_return(m, -EINVAL); - assert_return(timeout_usec, -EINVAL); - - /* For now we will only return (uint64_t) -1, since we don't - * need any timeout. However, let's have this API to keep our - * options open should we later on need it. */ - *timeout_usec = (uint64_t) -1; - return 0; -} |