diff options
Diffstat (limited to 'src')
l--------- | src/nss-mymachines/Makefile | 1 | ||||
-rw-r--r-- | src/nss-mymachines/nss-mymachines.c | 383 | ||||
-rw-r--r-- | src/nss-mymachines/nss-mymachines.sym | 17 |
3 files changed, 0 insertions, 401 deletions
diff --git a/src/nss-mymachines/Makefile b/src/nss-mymachines/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/nss-mymachines/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/nss-mymachines/nss-mymachines.c b/src/nss-mymachines/nss-mymachines.c deleted file mode 100644 index 9476ad1694..0000000000 --- a/src/nss-mymachines/nss-mymachines.c +++ /dev/null @@ -1,383 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - 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 <nss.h> -#include <netdb.h> - -#include "sd-bus.h" -#include "sd-login.h" -#include "macro.h" -#include "util.h" -#include "nss-util.h" -#include "bus-util.h" -#include "in-addr-util.h" - -NSS_GETHOSTBYNAME_PROTOTYPES(mymachines); - -static int count_addresses(sd_bus_message *m, int af, unsigned *ret) { - unsigned c = 0; - int r; - - assert(m); - assert(ret); - - while ((r = sd_bus_message_enter_container(m, 'r', "iay")) > 0) { - int family; - - r = sd_bus_message_read(m, "i", &family); - if (r < 0) - return r; - - r = sd_bus_message_skip(m, "ay"); - if (r < 0) - return r; - - r = sd_bus_message_exit_container(m); - if (r < 0) - return r; - - if (af != AF_UNSPEC && family != af) - continue; - - c ++; - } - if (r < 0) - return r; - - r = sd_bus_message_rewind(m, false); - if (r < 0) - return r; - - *ret = c; - return 0; -} - -enum nss_status _nss_mymachines_gethostbyname4_r( - const char *name, - struct gaih_addrtuple **pat, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp) { - - struct gaih_addrtuple *r_tuple, *r_tuple_first = NULL; - _cleanup_bus_message_unref_ sd_bus_message* reply = NULL; - _cleanup_bus_close_unref_ sd_bus *bus = NULL; - _cleanup_free_ int *ifindices = NULL; - _cleanup_free_ char *class = NULL; - size_t l, ms, idx; - unsigned i = 0, c = 0; - char *r_name; - int n_ifindices, r; - - assert(name); - assert(pat); - assert(buffer); - assert(errnop); - assert(h_errnop); - - r = sd_machine_get_class(name, &class); - if (r < 0) - goto fail; - if (!streq(class, "container")) { - r = -ENOTTY; - goto fail; - } - - n_ifindices = sd_machine_get_ifindices(name, &ifindices); - if (n_ifindices < 0) { - r = n_ifindices; - goto fail; - } - - r = sd_bus_open_system(&bus); - if (r < 0) - goto fail; - - r = sd_bus_call_method(bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "GetMachineAddresses", - NULL, - &reply, - "s", name); - if (r < 0) - goto fail; - - r = sd_bus_message_enter_container(reply, 'a', "(iay)"); - if (r < 0) - goto fail; - - r = count_addresses(reply, AF_UNSPEC, &c); - if (r < 0) - goto fail; - - if (c <= 0) { - *errnop = ESRCH; - *h_errnop = HOST_NOT_FOUND; - return NSS_STATUS_NOTFOUND; - } - - l = strlen(name); - ms = ALIGN(l+1) + ALIGN(sizeof(struct gaih_addrtuple)) * c; - if (buflen < ms) { - *errnop = ENOMEM; - *h_errnop = TRY_AGAIN; - return NSS_STATUS_TRYAGAIN; - } - - /* First, append name */ - r_name = buffer; - memcpy(r_name, name, l+1); - idx = ALIGN(l+1); - - /* Second, append addresses */ - r_tuple_first = (struct gaih_addrtuple*) (buffer + idx); - while ((r = sd_bus_message_enter_container(reply, 'r', "iay")) > 0) { - int family; - const void *a; - size_t sz; - - r = sd_bus_message_read(reply, "i", &family); - if (r < 0) - goto fail; - - r = sd_bus_message_read_array(reply, 'y', &a, &sz); - if (r < 0) - goto fail; - - r = sd_bus_message_exit_container(reply); - if (r < 0) - goto fail; - - if (!IN_SET(family, AF_INET, AF_INET6)) { - r = -EAFNOSUPPORT; - goto fail; - } - - if (sz != FAMILY_ADDRESS_SIZE(family)) { - r = -EINVAL; - goto fail; - } - - r_tuple = (struct gaih_addrtuple*) (buffer + idx); - r_tuple->next = i == c-1 ? NULL : (struct gaih_addrtuple*) ((char*) r_tuple + ALIGN(sizeof(struct gaih_addrtuple))); - r_tuple->name = r_name; - r_tuple->family = family; - r_tuple->scopeid = n_ifindices == 1 ? ifindices[0] : 0; - memcpy(r_tuple->addr, a, sz); - - idx += ALIGN(sizeof(struct gaih_addrtuple)); - i++; - } - - assert(i == c); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - goto fail; - - assert(idx == ms); - - if (*pat) - **pat = *r_tuple_first; - else - *pat = r_tuple_first; - - if (ttlp) - *ttlp = 0; - - /* Explicitly reset all error variables */ - *errnop = 0; - *h_errnop = NETDB_SUCCESS; - h_errno = 0; - - return NSS_STATUS_SUCCESS; - -fail: - *errnop = -r; - *h_errnop = NO_DATA; - return NSS_STATUS_UNAVAIL; -} - -enum nss_status _nss_mymachines_gethostbyname3_r( - const char *name, - int af, - struct hostent *result, - char *buffer, size_t buflen, - int *errnop, int *h_errnop, - int32_t *ttlp, - char **canonp) { - - _cleanup_bus_message_unref_ sd_bus_message* reply = NULL; - _cleanup_bus_close_unref_ sd_bus *bus = NULL; - _cleanup_free_ char *class = NULL; - unsigned c = 0, i = 0; - char *r_name, *r_aliases, *r_addr, *r_addr_list; - size_t l, idx, ms, alen; - int r; - - assert(name); - assert(result); - assert(buffer); - assert(errnop); - assert(h_errnop); - - if (af == AF_UNSPEC) - af = AF_INET; - - if (af != AF_INET && af != AF_INET6) { - r = -EAFNOSUPPORT; - goto fail; - } - - r = sd_machine_get_class(name, &class); - if (r < 0) - goto fail; - if (!streq(class, "container")) { - r = -ENOTTY; - goto fail; - } - - r = sd_bus_open_system(&bus); - if (r < 0) - goto fail; - - r = sd_bus_call_method(bus, - "org.freedesktop.machine1", - "/org/freedesktop/machine1", - "org.freedesktop.machine1.Manager", - "GetMachineAddresses", - NULL, - &reply, - "s", name); - if (r < 0) - goto fail; - - r = sd_bus_message_enter_container(reply, 'a', "(iay)"); - if (r < 0) - goto fail; - - r = count_addresses(reply, af, &c); - if (r < 0) - goto fail; - - if (c <= 0) { - *errnop = ENOENT; - *h_errnop = HOST_NOT_FOUND; - return NSS_STATUS_NOTFOUND; - } - - alen = FAMILY_ADDRESS_SIZE(af); - l = strlen(name); - - ms = ALIGN(l+1) + c * ALIGN(alen) + (c+2) * sizeof(char*); - - if (buflen < ms) { - *errnop = ENOMEM; - *h_errnop = NO_RECOVERY; - return NSS_STATUS_TRYAGAIN; - } - - /* First, append name */ - r_name = buffer; - memcpy(r_name, name, l+1); - idx = ALIGN(l+1); - - /* Second, create aliases array */ - r_aliases = buffer + idx; - ((char**) r_aliases)[0] = NULL; - idx += sizeof(char*); - - /* Third, append addresses */ - r_addr = buffer + idx; - while ((r = sd_bus_message_enter_container(reply, 'r', "iay")) > 0) { - int family; - const void *a; - size_t sz; - - r = sd_bus_message_read(reply, "i", &family); - if (r < 0) - goto fail; - - r = sd_bus_message_read_array(reply, 'y', &a, &sz); - if (r < 0) - goto fail; - - r = sd_bus_message_exit_container(reply); - if (r < 0) - goto fail; - - if (family != af) - continue; - - if (sz != alen) { - r = -EINVAL; - goto fail; - } - - memcpy(r_addr + i*ALIGN(alen), a, alen); - i++; - } - - assert(i == c); - idx += c * ALIGN(alen); - - r = sd_bus_message_exit_container(reply); - if (r < 0) - goto fail; - - /* Third, append address pointer array */ - r_addr_list = buffer + idx; - for (i = 0; i < c; i++) - ((char**) r_addr_list)[i] = r_addr + i*ALIGN(alen); - - ((char**) r_addr_list)[i] = NULL; - idx += (c+1) * sizeof(char*); - - assert(idx == ms); - - result->h_name = r_name; - result->h_aliases = (char**) r_aliases; - result->h_addrtype = af; - result->h_length = alen; - result->h_addr_list = (char**) r_addr_list; - - if (ttlp) - *ttlp = 0; - - if (canonp) - *canonp = r_name; - - /* Explicitly reset all error variables */ - *errnop = 0; - *h_errnop = NETDB_SUCCESS; - h_errno = 0; - - return NSS_STATUS_SUCCESS; - -fail: - *errnop = -r; - *h_errnop = NO_DATA; - return NSS_STATUS_UNAVAIL; -} - -NSS_GETHOSTBYNAME_FALLBACKS(mymachines) diff --git a/src/nss-mymachines/nss-mymachines.sym b/src/nss-mymachines/nss-mymachines.sym deleted file mode 100644 index f80b51c1aa..0000000000 --- a/src/nss-mymachines/nss-mymachines.sym +++ /dev/null @@ -1,17 +0,0 @@ -/*** - This file is part of systemd. - - 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. -***/ - -{ -global: - _nss_mymachines_gethostbyname_r; - _nss_mymachines_gethostbyname2_r; - _nss_mymachines_gethostbyname3_r; - _nss_mymachines_gethostbyname4_r; -local: *; -}; |