diff options
Diffstat (limited to 'src/libsystemd-shared')
-rw-r--r-- | src/libsystemd-shared/Makefile | 1 | ||||
-rw-r--r-- | src/libsystemd-shared/include/systemd-shared/local-addresses.h | 35 | ||||
-rw-r--r-- | src/libsystemd-shared/include/systemd-shared/test-tables.h | 2 | ||||
-rw-r--r-- | src/libsystemd-shared/src/Makefile | 58 | ||||
-rw-r--r-- | src/libsystemd-shared/src/local-addresses.c | 273 | ||||
l--------- | src/libsystemd-shared/test/GNUmakefile | 1 | ||||
-rw-r--r-- | src/libsystemd-shared/test/Makefile | 34 | ||||
-rw-r--r-- | src/libsystemd-shared/test/test-local-addresses.c | 56 |
8 files changed, 426 insertions, 34 deletions
diff --git a/src/libsystemd-shared/Makefile b/src/libsystemd-shared/Makefile index 369b265ff7..8ba25db413 100644 --- a/src/libsystemd-shared/Makefile +++ b/src/libsystemd-shared/Makefile @@ -24,5 +24,6 @@ include $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk include $(topsrcdir)/build-aux/Makefile.head.mk nested.subdirs += src +nested.subdirs += test include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/libsystemd-shared/include/systemd-shared/local-addresses.h b/src/libsystemd-shared/include/systemd-shared/local-addresses.h new file mode 100644 index 0000000000..f1e91ccfd2 --- /dev/null +++ b/src/libsystemd-shared/include/systemd-shared/local-addresses.h @@ -0,0 +1,35 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2008-2011 Lennart Poettering + + 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 "systemd-basic/in-addr-util.h" +#include "systemd-staging/sd-netlink.h" + +struct local_address { + int family, ifindex; + unsigned char scope; + uint32_t metric; + union in_addr_union address; +}; + +int local_addresses(sd_netlink *rtnl, int ifindex, int af, struct local_address **ret); + +int local_gateways(sd_netlink *rtnl, int ifindex, int af, struct local_address **ret); diff --git a/src/libsystemd-shared/include/systemd-shared/test-tables.h b/src/libsystemd-shared/include/systemd-shared/test-tables.h index 228e510104..83d3345e68 100644 --- a/src/libsystemd-shared/include/systemd-shared/test-tables.h +++ b/src/libsystemd-shared/include/systemd-shared/test-tables.h @@ -20,6 +20,8 @@ #include <stdio.h> #include <stdlib.h> +#include "systemd-basic/macro.h" + typedef const char* (*lookup_t)(int); typedef int (*reverse_t)(const char*); diff --git a/src/libsystemd-shared/src/Makefile b/src/libsystemd-shared/src/Makefile index 601daf855c..c718f18269 100644 --- a/src/libsystemd-shared/src/Makefile +++ b/src/libsystemd-shared/src/Makefile @@ -23,10 +23,12 @@ include $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk include $(topsrcdir)/build-aux/Makefile.head.mk -noinst_LTLIBRARIES += \ +rootlibexec_LTLIBRARIES += \ libsystemd-shared.la libsystemd_shared_la_SOURCES = \ + src/libsystemd/sd-netlink/local-addresses.h \ + src/libsystemd/sd-netlink/local-addresses.c \ src/shared/output-mode.h \ src/shared/output-mode.c \ src/shared/gpt.h \ @@ -94,8 +96,6 @@ libsystemd_shared_la_SOURCES = \ src/shared/import-util.h \ src/shared/sysctl-util.c \ src/shared/sysctl-util.h \ - src/shared/bus-util.c \ - src/shared/bus-util.h \ src/shared/logs-show.c \ src/shared/logs-show.h \ src/shared/machine-image.c \ @@ -135,48 +135,38 @@ libsystemd_shared_la_CFLAGS = \ $(LIBIDN_CFLAGS) \ $(SECCOMP_CFLAGS) +# We can't use libshared.la here because it would +# pull in libsystemd*-internal.la +# -- Felipe Sateler +# What? We're pulling in libsystemd-internal.la +# anyway! +# -- Luke Shumaker libsystemd_shared_la_LIBADD = \ libsystemd-internal.la \ libsystemd-basic.la \ - libsystemd-journal-internal.la \ libudev-internal.la \ $(ACL_LIBS) \ $(LIBIDN_LIBS) \ $(SECCOMP_LIBS) -rootlibexec_LTLIBRARIES += \ - libsystemd-shared.la +libsystemd_shared_la_LDFLAGS = \ + -release $(PACKAGE_VERSION) -libsystemd_shared_la_SOURCES = \ - $(libsystemd_basic_la_SOURCES) \ - $(libsystemd_shared_la_SOURCES) \ - $(libsystemd_internal_la_SOURCES) \ - $(libsystemd_journal_internal_la_SOURCES) \ - $(libudev_internal_la_SOURCES) +sd.CPPFLAGS += -DPKGSYSCONFDIR=\"$(pkgsysconfdir)\" +sd.CPPFLAGS += -DSYSTEM_CONFIG_UNIT_PATH=\"$(pkgsysconfdir)/system\" +sd.CPPFLAGS += -DSYSTEM_DATA_UNIT_PATH=\"$(systemunitdir)\" +sd.CPPFLAGS += -DSYSTEM_SYSVINIT_PATH=\"$(SYSTEM_SYSVINIT_PATH)\" +sd.CPPFLAGS += -DSYSTEM_SYSVRCND_PATH=\"$(SYSTEM_SYSVRCND_PATH)\" +sd.CPPFLAGS += -DUSER_CONFIG_UNIT_PATH=\"$(pkgsysconfdir)/user\" +sd.CPPFLAGS += -DUSER_DATA_UNIT_PATH=\"$(userunitdir)\" -libsystemd_shared_la_CFLAGS = \ - $(libsystemd_basic_la_CFLAGS) \ - $(libsystemd_shared_la_CFLAGS) \ - $(libsystemd_internal_la_CFLAGS) \ - $(libsystemd_journal_internal_la_CFLAGS) \ - $(libudev_internal_la_CFLAGS) \ - $(ACL_CFLAGS) \ - $(LIBIDN_CFLAGS) \ - $(SECCOMP_CFLAGS) \ - -fvisibility=default +sd.CPPFLAGS += -DSYSTEMD_FSCK_PATH=\"$(libexecdir)/systemd-fsck\" -# We can't use libsystemd_shared_la_LIBADD here because it would -# pull in libsystemd*-internal.la -libsystemd_shared_la_LIBADD = \ - libsystemd-basic.la \ - libsystemd_internal.la \ - libsystemd_journal_internal.la \ - libudev_internal.la \ - $(ACL_LIBS) \ - $(LIBIDN_LIBS) \ - $(SECCOMP_LIBS) +sd.CPPFLAGS += -DSYSTEMD_TTY_ASK_PASSWORD_AGENT_BINARY_PATH=\"$(bindir)/systemd-tty-ask-password-agent\" -libsystemd_shared_la_LDFLAGS = \ - -release $(PACKAGE_VERSION) +sd.CPPFLAGS += -DSYSTEM_GENERATOR_PATH=\"$(systemgeneratordir)\" +sd.CPPFLAGS += -DUSER_GENERATOR_PATH=\"$(usergeneratordir)\" + +sd.CPPFLAGS += -DPOLKIT_AGENT_BINARY_PATH=\"$(bindir)/pkttyagent\" include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/libsystemd-shared/src/local-addresses.c b/src/libsystemd-shared/src/local-addresses.c new file mode 100644 index 0000000000..d417320ad3 --- /dev/null +++ b/src/libsystemd-shared/src/local-addresses.c @@ -0,0 +1,273 @@ +/*** + 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 "systemd-basic/alloc-util.h" +#include "systemd-basic/macro.h" +#include "systemd-shared/local-addresses.h" +#include "systemd-staging/sd-netlink.h" + +static int address_compare(const void *_a, const void *_b) { + const struct local_address *a = _a, *b = _b; + + /* Order lowest scope first, IPv4 before IPv6, lowest interface index first */ + + if (a->family == AF_INET && b->family == AF_INET6) + return -1; + if (a->family == AF_INET6 && b->family == AF_INET) + return 1; + + if (a->scope < b->scope) + return -1; + if (a->scope > b->scope) + return 1; + + if (a->metric < b->metric) + return -1; + if (a->metric > b->metric) + return 1; + + if (a->ifindex < b->ifindex) + return -1; + if (a->ifindex > b->ifindex) + return 1; + + return memcmp(&a->address, &b->address, FAMILY_ADDRESS_SIZE(a->family)); +} + +int local_addresses(sd_netlink *context, int ifindex, int af, struct local_address **ret) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_free_ struct local_address *list = NULL; + size_t n_list = 0, n_allocated = 0; + sd_netlink_message *m; + int r; + + assert(ret); + + if (context) + rtnl = sd_netlink_ref(context); + else { + r = sd_netlink_open(&rtnl); + if (r < 0) + return r; + } + + r = sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, af); + if (r < 0) + return r; + + r = sd_netlink_call(rtnl, req, 0, &reply); + if (r < 0) + return r; + + for (m = reply; m; m = sd_netlink_message_next(m)) { + struct local_address *a; + unsigned char flags; + uint16_t type; + int ifi, family; + + r = sd_netlink_message_get_errno(m); + if (r < 0) + return r; + + r = sd_netlink_message_get_type(m, &type); + if (r < 0) + return r; + if (type != RTM_NEWADDR) + continue; + + r = sd_rtnl_message_addr_get_ifindex(m, &ifi); + if (r < 0) + return r; + if (ifindex > 0 && ifi != ifindex) + continue; + + r = sd_rtnl_message_addr_get_family(m, &family); + if (r < 0) + return r; + if (af != AF_UNSPEC && af != family) + continue; + + r = sd_rtnl_message_addr_get_flags(m, &flags); + if (r < 0) + return r; + if (flags & IFA_F_DEPRECATED) + continue; + + if (!GREEDY_REALLOC0(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 (ifindex == 0 && (a->scope == RT_SCOPE_HOST || a->scope == RT_SCOPE_NOWHERE)) + continue; + + switch (family) { + + case AF_INET: + r = sd_netlink_message_read_in_addr(m, IFA_LOCAL, &a->address.in); + if (r < 0) { + r = sd_netlink_message_read_in_addr(m, IFA_ADDRESS, &a->address.in); + if (r < 0) + continue; + } + break; + + case AF_INET6: + r = sd_netlink_message_read_in6_addr(m, IFA_LOCAL, &a->address.in6); + if (r < 0) { + r = sd_netlink_message_read_in6_addr(m, IFA_ADDRESS, &a->address.in6); + if (r < 0) + continue; + } + break; + + default: + continue; + } + + a->ifindex = ifi; + a->family = family; + + n_list++; + }; + + qsort_safe(list, n_list, sizeof(struct local_address), address_compare); + + *ret = list; + list = NULL; + + return (int) n_list; +} + +int local_gateways(sd_netlink *context, int ifindex, int af, struct local_address **ret) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_free_ struct local_address *list = NULL; + sd_netlink_message *m = NULL; + size_t n_list = 0, n_allocated = 0; + int r; + + assert(ret); + + if (context) + rtnl = sd_netlink_ref(context); + else { + r = sd_netlink_open(&rtnl); + if (r < 0) + return r; + } + + r = sd_rtnl_message_new_route(rtnl, &req, RTM_GETROUTE, af, RTPROT_UNSPEC); + if (r < 0) + return r; + + r = sd_netlink_message_request_dump(req, true); + if (r < 0) + return r; + + r = sd_netlink_call(rtnl, req, 0, &reply); + if (r < 0) + return r; + + for (m = reply; m; m = sd_netlink_message_next(m)) { + struct local_address *a; + uint16_t type; + unsigned char dst_len, src_len; + uint32_t ifi; + int family; + + r = sd_netlink_message_get_errno(m); + if (r < 0) + return r; + + r = sd_netlink_message_get_type(m, &type); + if (r < 0) + return r; + if (type != RTM_NEWROUTE) + continue; + + /* We only care for default routes */ + r = sd_rtnl_message_route_get_dst_prefixlen(m, &dst_len); + if (r < 0) + return r; + if (dst_len != 0) + continue; + + r = sd_rtnl_message_route_get_src_prefixlen(m, &src_len); + if (r < 0) + return r; + if (src_len != 0) + continue; + + r = sd_netlink_message_read_u32(m, RTA_OIF, &ifi); + if (r < 0) + return r; + if (ifindex > 0 && (int) ifi != ifindex) + continue; + + r = sd_rtnl_message_route_get_family(m, &family); + if (r < 0) + return r; + if (af != AF_UNSPEC && af != family) + continue; + + if (!GREEDY_REALLOC0(list, n_allocated, n_list + 1)) + return -ENOMEM; + + a = list + n_list; + + switch (family) { + case AF_INET: + r = sd_netlink_message_read_in_addr(m, RTA_GATEWAY, &a->address.in); + if (r < 0) + continue; + + break; + case AF_INET6: + r = sd_netlink_message_read_in6_addr(m, RTA_GATEWAY, &a->address.in6); + if (r < 0) + continue; + + break; + default: + continue; + } + + sd_netlink_message_read_u32(m, RTA_PRIORITY, &a->metric); + + a->ifindex = ifi; + a->family = family; + + n_list++; + } + + if (n_list > 0) + qsort(list, n_list, sizeof(struct local_address), address_compare); + + *ret = list; + list = NULL; + + return (int) n_list; +} diff --git a/src/libsystemd-shared/test/GNUmakefile b/src/libsystemd-shared/test/GNUmakefile new file mode 120000 index 0000000000..95e5924740 --- /dev/null +++ b/src/libsystemd-shared/test/GNUmakefile @@ -0,0 +1 @@ +../../../GNUmakefile
\ No newline at end of file diff --git a/src/libsystemd-shared/test/Makefile b/src/libsystemd-shared/test/Makefile new file mode 100644 index 0000000000..131958f906 --- /dev/null +++ b/src/libsystemd-shared/test/Makefile @@ -0,0 +1,34 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# 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 $(dir $(lastword $(MAKEFILE_LIST)))/../../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +tests += test-local-addreses + +test_local_addresses_SOURCES = \ + src/libsystemd/sd-netlink/test-local-addresses.c + +test_local_addresses_LDADD = \ + libsystemd-shared.la + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/libsystemd-shared/test/test-local-addresses.c b/src/libsystemd-shared/test/test-local-addresses.c new file mode 100644 index 0000000000..d639fd019b --- /dev/null +++ b/src/libsystemd-shared/test/test-local-addresses.c @@ -0,0 +1,56 @@ +/*** + This file is part of systemd. + + Copyright 2014 Lennart Poettering + + 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 "systemd-basic/af-list.h" +#include "systemd-basic/alloc-util.h" +#include "systemd-basic/in-addr-util.h" +#include "systemd-shared/local-addresses.h" + +static void print_local_addresses(struct local_address *a, unsigned n) { + unsigned i; + + for (i = 0; i < n; i++) { + _cleanup_free_ char *b = NULL; + + assert_se(in_addr_to_string(a[i].family, &a[i].address, &b) >= 0); + printf("%s if%i scope=%i metric=%u address=%s\n", af_to_name(a[i].family), a[i].ifindex, a[i].scope, a[i].metric, b); + } +} + +int main(int argc, char *argv[]) { + struct local_address *a; + int n; + + a = NULL; + n = local_addresses(NULL, 0, AF_UNSPEC, &a); + assert_se(n >= 0); + + printf("Local Addresses:\n"); + print_local_addresses(a, (unsigned) n); + a = mfree(a); + + n = local_gateways(NULL, 0, AF_UNSPEC, &a); + assert_se(n >= 0); + + printf("Local Gateways:\n"); + print_local_addresses(a, (unsigned) n); + free(a); + + return 0; +} |