-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <string.h>
#include <errno.h>
-#include <sys/inotify.h>
#include <poll.h>
+#include <string.h>
+#include <sys/inotify.h>
-#include "util.h"
+#include "sd-network.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "fs-util.h"
#include "macro.h"
+#include "parse-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
#include "strv.h"
-#include "fileio.h"
-#include "sd-network.h"
+#include "util.h"
_public_ int sd_network_get_operational_state(char **state) {
_cleanup_free_ char *s = NULL;
return network_get_strv("NTP", ret);
}
-_public_ int sd_network_get_domains(char ***ret) {
+_public_ int sd_network_get_search_domains(char ***ret) {
return network_get_strv("DOMAINS", ret);
}
-_public_ int sd_network_link_get_setup_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;
- if (r < 0)
- return r;
- if (isempty(s))
- return -ENODATA;
-
- *state = s;
- s = NULL;
-
- return 0;
+_public_ int sd_network_get_route_domains(char ***ret) {
+ return network_get_strv("ROUTE_DOMAINS", ret);
}
-_public_ int sd_network_link_get_network_file(int ifindex, char **filename) {
- _cleanup_free_ char *s = NULL, *p = NULL;
+static int network_link_get_string(int ifindex, const char *field, char **ret) {
+ char path[strlen("/run/systemd/netif/links/") + DECIMAL_STR_MAX(ifindex) + 1];
+ _cleanup_free_ char *s = NULL;
int r;
assert_return(ifindex > 0, -EINVAL);
- assert_return(filename, -EINVAL);
+ assert_return(ret, -EINVAL);
- if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
- return -ENOMEM;
+ xsprintf(path, "/run/systemd/netif/links/%i", ifindex);
- r = parse_env_file(p, NEWLINE, "NETWORK_FILE", &s, NULL);
+ r = parse_env_file(path, NEWLINE, field, &s, NULL);
if (r == -ENOENT)
return -ENODATA;
if (r < 0)
if (isempty(s))
return -ENODATA;
- *filename = s;
+ *ret = s;
s = NULL;
return 0;
}
-_public_ int sd_network_link_get_operational_state(int ifindex, char **state) {
- _cleanup_free_ char *s = NULL, *p = NULL;
+static int network_link_get_strv(int ifindex, const char *key, char ***ret) {
+ char path[strlen("/run/systemd/netif/links/") + DECIMAL_STR_MAX(ifindex) + 1];
+ _cleanup_strv_free_ char **a = NULL;
+ _cleanup_free_ char *s = NULL;
int r;
assert_return(ifindex > 0, -EINVAL);
- assert_return(state, -EINVAL);
-
- if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
- return -ENOMEM;
+ assert_return(ret, -EINVAL);
- r = parse_env_file(p, NEWLINE, "OPER_STATE", &s, NULL);
+ xsprintf(path, "/run/systemd/netif/links/%i", ifindex);
+ r = parse_env_file(path, NEWLINE, key, &s, NULL);
if (r == -ENOENT)
return -ENODATA;
if (r < 0)
return r;
- if (isempty(s))
- return -ENODATA;
-
- *state = s;
- s = NULL;
-
- return 0;
-}
-
-_public_ int sd_network_link_get_llmnr(int ifindex, char **llmnr) {
- _cleanup_free_ char *s = NULL, *p = NULL;
- int r;
-
- assert_return(ifindex > 0, -EINVAL);
- assert_return(llmnr, -EINVAL);
+ if (isempty(s)) {
+ *ret = NULL;
+ return 0;
+ }
- if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
+ a = strv_split(s, " ");
+ if (!a)
return -ENOMEM;
- r = parse_env_file(p, NEWLINE, "LLMNR", &s, NULL);
- if (r == -ENOENT)
- return -ENODATA;
- if (r < 0)
- return r;
- if (isempty(s))
- return -ENODATA;
+ strv_uniq(a);
+ r = strv_length(a);
- *llmnr = s;
- s = NULL;
+ *ret = a;
+ a = NULL;
- return 0;
+ return r;
}
-_public_ int sd_network_link_get_lldp(int ifindex, char **lldp) {
- _cleanup_free_ char *s = NULL, *p = NULL;
- size_t size;
- int r;
+_public_ int sd_network_link_get_setup_state(int ifindex, char **state) {
+ return network_link_get_string(ifindex, "ADMIN_STATE", state);
+}
- assert_return(ifindex > 0, -EINVAL);
- assert_return(lldp, -EINVAL);
+_public_ int sd_network_link_get_network_file(int ifindex, char **filename) {
+ return network_link_get_string(ifindex, "NETWORK_FILE", filename);
+}
- if (asprintf(&p, "/run/systemd/netif/lldp/%d", ifindex) < 0)
- return -ENOMEM;
+_public_ int sd_network_link_get_operational_state(int ifindex, char **state) {
+ return network_link_get_string(ifindex, "OPER_STATE", state);
+}
- r = read_full_file(p, &s, &size);
- if (r == -ENOENT)
- return -ENODATA;
- if (r < 0)
- return r;
- if (size <= 0)
- return -ENODATA;
+_public_ int sd_network_link_get_llmnr(int ifindex, char **llmnr) {
+ return network_link_get_string(ifindex, "LLMNR", llmnr);
+}
- *lldp = s;
- s = NULL;
+_public_ int sd_network_link_get_mdns(int ifindex, char **mdns) {
+ return network_link_get_string(ifindex, "MDNS", mdns);
+}
- return 0;
+_public_ int sd_network_link_get_dnssec(int ifindex, char **dnssec) {
+ return network_link_get_string(ifindex, "DNSSEC", dnssec);
}
-int sd_network_link_get_timezone(int ifindex, char **ret) {
- _cleanup_free_ char *s = NULL, *p = NULL;
- int r;
+_public_ int sd_network_link_get_dnssec_negative_trust_anchors(int ifindex, char ***nta) {
+ return network_link_get_strv(ifindex, "DNSSEC_NTA", nta);
+}
- assert_return(ifindex > 0, -EINVAL);
- assert_return(ret, -EINVAL);
+_public_ int sd_network_link_get_timezone(int ifindex, char **ret) {
+ return network_link_get_string(ifindex, "TIMEZONE", ret);
+}
- if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
- return -ENOMEM;
+_public_ int sd_network_link_get_dns(int ifindex, char ***ret) {
+ return network_link_get_strv(ifindex, "DNS", ret);
+}
- r = parse_env_file(p, NEWLINE, "TIMEZONE", &s, NULL);
- if (r == -ENOENT)
- return -ENODATA;
- if (r < 0)
- return r;
- if (isempty(s))
- return -ENODATA;
+_public_ int sd_network_link_get_ntp(int ifindex, char ***ret) {
+ return network_link_get_strv(ifindex, "NTP", ret);
+}
- *ret = s;
- s = NULL;
- return 0;
+_public_ int sd_network_link_get_search_domains(int ifindex, char ***ret) {
+ return network_link_get_strv(ifindex, "DOMAINS", ret);
}
-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;
+_public_ int sd_network_link_get_route_domains(int ifindex, char ***ret) {
+ return network_link_get_strv(ifindex, "ROUTE_DOMAINS", ret);
+}
+
+static int network_link_get_ifindexes(int ifindex, const char *key, int **ret) {
+ char path[strlen("/run/systemd/netif/links/") + DECIMAL_STR_MAX(ifindex) + 1];
+ _cleanup_free_ int *ifis = NULL;
+ _cleanup_free_ char *s = NULL;
+ size_t allocated = 0, c = 0;
+ const char *x;
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);
+ xsprintf(path, "/run/systemd/netif/links/%i", ifindex);
+ r = parse_env_file(path, NEWLINE, key, &s, NULL);
if (r == -ENOENT)
return -ENODATA;
if (r < 0)
return r;
- if (isempty(s)) {
- *ret = NULL;
- return 0;
- }
- a = strv_split(s, " ");
- if (!a)
- return -ENOMEM;
+ for (x = s;;) {
+ _cleanup_free_ char *word = NULL;
- strv_uniq(a);
- r = strv_length(a);
+ r = extract_first_word(&x, &word, NULL, 0);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
- *ret = a;
- a = NULL;
+ r = parse_ifindex(word, &ifindex);
+ if (r < 0)
+ return r;
- return r;
-}
+ if (!GREEDY_REALLOC(ifis, allocated, c + 2))
+ return -ENOMEM;
-_public_ int sd_network_link_get_dns(int ifindex, char ***ret) {
- return network_get_link_strv("DNS", ifindex, ret);
-}
+ ifis[c++] = ifindex;
+ }
-_public_ int sd_network_link_get_ntp(int ifindex, char ***ret) {
- return network_get_link_strv("NTP", ifindex, ret);
-}
+ if (ifis)
+ ifis[c] = 0; /* Let's add a 0 ifindex to the end, to be nice */
-_public_ int sd_network_link_get_domains(int ifindex, char ***ret) {
- return network_get_link_strv("DOMAINS", ifindex, ret);
-}
+ *ret = ifis;
+ ifis = NULL;
-_public_ int sd_network_link_get_carrier_bound_to(int ifindex, char ***ret) {
- return network_get_link_strv("CARRIER_BOUND_TO", ifindex, ret);
+ return c;
}
-_public_ int sd_network_link_get_carrier_bound_by(int ifindex, char ***ret) {
- return network_get_link_strv("CARRIER_BOUND_BY", ifindex, ret);
+_public_ int sd_network_link_get_carrier_bound_to(int ifindex, int **ret) {
+ return network_link_get_ifindexes(ifindex, "CARRIER_BOUND_TO", ret);
}
-_public_ int sd_network_link_get_wildcard_domain(int ifindex) {
- int r;
- _cleanup_free_ char *p = NULL, *s = NULL;
-
- assert_return(ifindex > 0, -EINVAL);
-
- if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0)
- return -ENOMEM;
-
- r = parse_env_file(p, NEWLINE, "WILDCARD_DOMAIN", &s, NULL);
- if (r == -ENOENT)
- return -ENODATA;
- if (r < 0)
- return r;
- if (isempty(s))
- return -ENODATA;
-
- return parse_boolean(s);
+_public_ int sd_network_link_get_carrier_bound_by(int ifindex, int **ret) {
+ return network_link_get_ifindexes(ifindex, "CARRIER_BOUND_BY", ret);
}
static inline int MONITOR_TO_FD(sd_network_monitor *m) {
l = read(fd, &buffer, sizeof(buffer));
if (l < 0) {
- if (errno == EAGAIN || errno == EINTR)
+ if (IN_SET(errno, EAGAIN, EINTR))
return 0;
return -errno;
projects / thirdparty / systemd.git / blobdiff