X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fsd-network.c;h=91d6275056bf3eff87c8abd0124ccb4fac0f0cae;hp=c86781220957347fa4b0440737a4cd8fcbf0d02c;hb=653912918f594ebbca46806b302ef6b477402575;hpb=deb2e5230b4dcbc0e2e02cc47a0b2d0d7179a044 diff --git a/src/network/sd-network.c b/src/network/sd-network.c index c86781220..91d627505 100644 --- a/src/network/sd-network.c +++ b/src/network/sd-network.c @@ -32,19 +32,20 @@ #include "strv.h" #include "fileio.h" #include "sd-network.h" +#include "network-internal.h" #include "dhcp-lease-internal.h" -static int link_get_flags(unsigned index, unsigned *flags) { +_public_ int sd_network_get_link_state(int ifindex, char **state) { _cleanup_free_ char *s = NULL, *p = NULL; int r; - assert(index); - assert(flags); + assert_return(ifindex > 0, -EINVAL); + assert_return(state, -EINVAL); - if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0) + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) return -ENOMEM; - r = parse_env_file(p, NEWLINE, "FLAGS", &s, NULL); + r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL); if (r == -ENOENT) return -ENODATA; else if (r < 0) @@ -52,31 +53,23 @@ static int link_get_flags(unsigned index, unsigned *flags) { else if (!s) return -EIO; - return safe_atou(s, flags); -} - -_public_ int sd_network_link_is_loopback(unsigned index) { - unsigned flags; - int r; + if (streq(s, "initializing")) + return -EBUSY; - r = link_get_flags(index, &flags); - if (r < 0) - return 0; + *state = s; + s = NULL; - return flags & IFF_LOOPBACK; + return 0; } -_public_ int sd_network_get_link_state(unsigned index, char **state) { - _cleanup_free_ char *s = NULL, *p = NULL; +_public_ int sd_network_get_operational_state(char **state) { + _cleanup_free_ char *s = NULL; int r; - assert_return(index, -EINVAL); assert_return(state, -EINVAL); - if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0) - return -ENOMEM; - - r = parse_env_file(p, NEWLINE, "ADMIN_STATE", &s, NULL); + r = parse_env_file("/run/systemd/netif/state", NEWLINE, "OPER_STATE", + &s, NULL); if (r == -ENOENT) return -ENODATA; else if (r < 0) @@ -84,25 +77,20 @@ _public_ int sd_network_get_link_state(unsigned index, char **state) { else if (!s) return -EIO; - if (streq(s, "unmanaged")) - return -EUNATCH; - else if (streq(s, "initializing")) - return -EBUSY; - *state = s; s = NULL; return 0; } -_public_ int sd_network_get_link_operational_state(unsigned index, char **state) { +_public_ int sd_network_get_link_operational_state(int ifindex, char **state) { _cleanup_free_ char *s = NULL, *p = NULL; int r; - assert_return(index, -EINVAL); + assert_return(ifindex > 0, -EINVAL); assert_return(state, -EINVAL); - if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0) + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) return -ENOMEM; r = parse_env_file(p, NEWLINE, "OPER_STATE", &s, NULL); @@ -119,24 +107,22 @@ _public_ int sd_network_get_link_operational_state(unsigned index, char **state) return 0; } -_public_ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret) { - sd_dhcp_lease *lease; - char *p, *s = NULL; +_public_ int sd_network_get_dhcp_lease(int ifindex, sd_dhcp_lease **ret) { + _cleanup_free_ char *p = NULL, *s = NULL; + sd_dhcp_lease *lease = NULL; int r; - assert_return(index, -EINVAL); + assert_return(ifindex > 0, -EINVAL); assert_return(ret, -EINVAL); - if (asprintf(&p, "/run/systemd/network/links/%u", index) < 0) + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) return -ENOMEM; r = parse_env_file(p, NEWLINE, "DHCP_LEASE", &s, NULL); - free(p); - if (r < 0) { - free(s); + if (r < 0) return r; - } else if (!s) + else if (!s) return -EIO; r = dhcp_lease_load(s, &lease); @@ -148,62 +134,76 @@ _public_ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret) { return 0; } -_public_ int sd_network_get_ifindices(unsigned **indices) { - _cleanup_closedir_ DIR *d; - int r = 0; - unsigned n = 0; - _cleanup_free_ uid_t *l = NULL; +static int network_get_in_addr(const char *key, int ifindex, struct in_addr **addr) { + _cleanup_free_ char *p = NULL, *s = NULL; + int r; - d = opendir("/run/systemd/network/links/"); - if (!d) - return -errno; + assert_return(ifindex > 0, -EINVAL); + assert_return(addr, -EINVAL); - for (;;) { - struct dirent *de; - int k; - unsigned index; + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) + return -ENOMEM; - errno = 0; - de = readdir(d); - if (!de && errno != 0) - return -errno; + r = parse_env_file(p, NEWLINE, key, &s, NULL); + if (r < 0) + return r; + else if (!s) + return -EIO; - if (!de) - break; + return deserialize_in_addrs(addr, s); +} - dirent_ensure_type(d, de); +_public_ int sd_network_get_dns(int ifindex, struct in_addr **addr) { + return network_get_in_addr("DNS", ifindex, addr); +} - if (!dirent_is_file(de)) - continue; +static int network_get_in6_addr(const char *key, int ifindex, struct in6_addr **addr) { + _cleanup_free_ char *p = NULL, *s = NULL; + int r; - k = safe_atou(de->d_name, &index); - if (k < 0) - continue; + assert_return(ifindex > 0, -EINVAL); + assert_return(addr, -EINVAL); - if (indices) { - if ((unsigned) r >= n) { - unsigned *t; + if (asprintf(&p, "/run/systemd/netif/links/%d", ifindex) < 0) + return -ENOMEM; - n = MAX(16, 2*r); - t = realloc(l, sizeof(unsigned) * n); - if (!t) - return -ENOMEM; + r = parse_env_file(p, NEWLINE, key, &s, NULL); + if (r < 0) + return r; + else if (!s) + return -EIO; - l = t; - } + return deserialize_in6_addrs(addr, s); +} - assert((unsigned) r < n); - l[r++] = index; - } else - r++; - } +_public_ int sd_network_get_dns6(int ifindex, struct in6_addr **addr) { + return network_get_in6_addr("DNS", ifindex, addr); +} - if (indices) { - *indices = l; - l = NULL; - } +static int network_get_boolean(const char *key, int ifindex) { + _cleanup_free_ char *p = NULL, *s = NULL; + int r; + + assert_return(ifindex > 0, -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) + return false; + + return parse_boolean(s); +} + +_public_ int sd_network_dhcp_use_dns(int ifindex) { + return network_get_boolean("DHCP_USE_DNS", ifindex); +} - return r; +_public_ int sd_network_dhcp_use_ntp(int ifindex) { + return network_get_boolean("DHCP_USE_NTP", ifindex); } static inline int MONITOR_TO_FD(sd_network_monitor *m) { @@ -214,7 +214,7 @@ static inline sd_network_monitor* FD_TO_MONITOR(int fd) { return (sd_network_monitor*) (unsigned long) (fd + 1); } -_public_ int sd_network_monitor_new(const char *category, sd_network_monitor **m) { +_public_ int sd_network_monitor_new(sd_network_monitor **m, const char *category) { int fd, k; bool good = false; @@ -225,7 +225,7 @@ _public_ int sd_network_monitor_new(const char *category, sd_network_monitor **m return -errno; if (!category || streq(category, "links")) { - k = inotify_add_watch(fd, "/run/systemd/network/links/", IN_MOVED_TO|IN_DELETE); + k = inotify_add_watch(fd, "/run/systemd/netif/links/", IN_MOVED_TO|IN_DELETE); if (k < 0) { safe_close(fd); return -errno; @@ -235,7 +235,7 @@ _public_ int sd_network_monitor_new(const char *category, sd_network_monitor **m } if (!category || streq(category, "leases")) { - k = inotify_add_watch(fd, "/run/systemd/network/leases/", IN_MOVED_TO|IN_DELETE); + k = inotify_add_watch(fd, "/run/systemd/netif/leases/", IN_MOVED_TO|IN_DELETE); if (k < 0) { safe_close(fd); return -errno;