12 #if defined(US_AUTH_PEERCRED_UCRED) || defined(US_AUTH_PEERCRED_SOCKPEERCRED) 13 # ifdef US_AUTH_PEERCRED_UCRED 18 # include <sys/socket.h> 19 #elif defined(US_AUTH_GETPEERUCRED) 23 #include <sys/param.h> 26 #include <sys/types.h> 42 #define PCMK_IPC_VERSION 1 44 struct crm_ipc_response_header {
45 struct qb_ipc_response_header qb;
52 static int hdr_offset = 0;
53 static unsigned int ipc_buffer_max = 0;
54 static unsigned int pick_ipc_buffer(
unsigned int max);
59 if (hdr_offset == 0) {
60 hdr_offset =
sizeof(
struct crm_ipc_response_header);
62 if (ipc_buffer_max == 0) {
63 ipc_buffer_max = pick_ipc_buffer(0);
70 return pick_ipc_buffer(0);
74 generateReference(
const char *custom1,
const char *custom2)
76 static uint ref_counter = 0;
77 const char *local_cust1 = custom1;
78 const char *local_cust2 = custom2;
79 int reference_len = 4;
80 char *since_epoch = NULL;
85 if (local_cust1 == NULL) {
86 local_cust1 =
"_empty_";
88 reference_len += strlen(local_cust1);
90 if (local_cust2 == NULL) {
91 local_cust2 =
"_empty_";
93 reference_len += strlen(local_cust2);
95 since_epoch = calloc(1, reference_len);
97 if (since_epoch != NULL) {
98 sprintf(since_epoch,
"%s-%s-%lu-%u",
99 local_cust1, local_cust2, (
unsigned long)time(NULL), ref_counter++);
107 const char *host_to,
const char *sys_to,
108 const char *sys_from,
const char *uuid_from,
const char *origin)
110 char *true_from = NULL;
111 xmlNode *request = NULL;
112 char *reference = generateReference(task, sys_from);
114 if (uuid_from != NULL) {
116 }
else if (sys_from != NULL) {
117 true_from = strdup(sys_from);
119 crm_err(
"No sys from specified");
134 if (host_to != NULL && strlen(host_to) > 0) {
138 if (msg_data != NULL) {
151 create_reply_adv(xmlNode * original_request, xmlNode * xml_response_data,
const char *origin)
153 xmlNode *reply = NULL;
163 crm_err(
"Cannot create new_message, no message type in original message");
168 crm_err(
"Cannot create new_message, original message was not a request");
174 crm_err(
"Cannot create new_message, malloc failed");
190 if (host_from != NULL && strlen(host_from) > 0) {
194 if (xml_response_data != NULL) {
227 while (g_hash_table_iter_next(&iter, &key, (gpointer *) & client)) {
228 if (strcmp(client->
id,
id) == 0) {
234 crm_trace(
"No client found with id=%s",
id);
243 }
else if (c->
name == NULL && c->
id == NULL) {
245 }
else if (c->
name == NULL) {
268 crm_err(
"Exiting with %d active connections", active);
277 qb_ipcs_connection_t *c = qb_ipcs_connection_first_get(service);
280 qb_ipcs_connection_t *last = c;
282 c = qb_ipcs_connection_next_get(service, last);
286 qb_ipcs_disconnect(last);
287 qb_ipcs_connection_unref(last);
294 static gid_t gid_cluster = 0;
303 if (gid_cluster == 0) {
305 static bool have_error = FALSE;
306 if(have_error == FALSE) {
313 if (uid_client != 0) {
314 crm_trace(
"Giving access to group %u", gid_cluster);
316 qb_ipcs_connection_auth_set(c, -1, gid_cluster, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
330 crm_debug(
"Connecting %p for uid=%d gid=%d pid=%u id=%s", c, uid_client, gid_client, client->
pid, client->
id);
349 crm_trace(
"Destroying %p/%p (%d remaining)",
354 crm_trace(
"Destroying remote connection %p (%d remaining)",
369 free(event[0].iov_base);
370 free(event[1].iov_base);
390 struct qb_ipcs_connection_stats stats;
392 stats.client_pid = 0;
393 qb_ipcs_connection_stats_get(c, &stats, 0);
394 return stats.client_pid;
401 char *uncompressed = NULL;
402 char *text = ((
char *)data) +
sizeof(
struct crm_ipc_response_header);
403 struct crm_ipc_response_header *header =
data;
406 *
id = ((
struct qb_ipc_response_header *)data)->id;
409 *flags = header->flags;
420 crm_err(
"Filtering incompatible v%d IPC message, we only support versions <= %d",
425 if (header->size_compressed) {
427 unsigned int size_u = 1 + header->size_uncompressed;
428 uncompressed = calloc(1, size_u);
430 crm_trace(
"Decompressing message data %u bytes into %u bytes",
431 header->size_compressed, size_u);
433 rc = BZ2_bzBuffToBuffDecompress(uncompressed, &size_u, text, header->size_compressed, 1, 0);
443 CRM_ASSERT(text[header->size_uncompressed - 1] == 0);
455 crm_ipcs_flush_events_cb(gpointer
data)
482 struct crm_ipc_response_header *header = NULL;
485 rc = qb_ipcs_event_sendv(c->
ipcs, event, 2);
491 header =
event[0].iov_base;
492 if (header->size_compressed) {
493 crm_trace(
"Event %d to %p[%d] (%d compressed bytes) sent",
494 header->qb.id, c->
ipcs, c->
pid, rc);
496 crm_trace(
"Event %d to %p[%d] (%d bytes) sent: %.120s",
497 header->qb.id, c->
ipcs, c->
pid, rc, event[1].iov_base);
501 free(event[0].iov_base);
502 free(event[1].iov_base);
508 crm_trace(
"Sent %d events (%d remaining) for %p[%d]: %s (%d)",
513 if (queue_len % 100 == 0 && queue_len > 99) {
514 crm_warn(
"Event queue for %p[%d] has grown to %d", c->
ipcs, c->
pid, queue_len);
516 }
else if (queue_len > 500) {
517 crm_err(
"Evicting slow client %p[%d]: event queue reached %d entries",
519 qb_ipcs_disconnect(c->
ipcs);
523 c->
event_timer = g_timeout_add(1000 + 100 * queue_len, crm_ipcs_flush_events_cb, c);
532 static unsigned int biggest = 0;
534 unsigned int total = 0;
535 char *compressed = NULL;
537 struct crm_ipc_response_header *header = calloc(1,
sizeof(
struct crm_ipc_response_header));
543 if (max_send_size == 0) {
544 max_send_size = ipc_buffer_max;
550 iov = calloc(2,
sizeof(
struct iovec));
553 iov[0].iov_len = hdr_offset;
554 iov[0].iov_base = header;
557 header->size_uncompressed = 1 + strlen(buffer);
558 total = iov[0].iov_len + header->size_uncompressed;
560 if (total < max_send_size) {
561 iov[1].iov_base = buffer;
562 iov[1].iov_len = header->size_uncompressed;
565 unsigned int new_size = 0;
568 (buffer, header->size_uncompressed, max_send_size, &compressed, &new_size)) {
571 header->size_compressed = new_size;
573 iov[1].iov_len = header->size_compressed;
574 iov[1].iov_base = compressed;
578 biggest = QB_MAX(header->size_compressed, biggest);
581 ssize_t rc = -EMSGSIZE;
584 biggest = QB_MAX(header->size_uncompressed, biggest);
587 (
"Could not compress the message (%u bytes) into less than the configured ipc limit (%u bytes). " 588 "Set PCMK_ipc_buffer to a higher value (%u bytes suggested)",
589 header->size_uncompressed, max_send_size, 4 * biggest);
600 header->qb.size = iov[0].iov_len + iov[1].iov_len;
601 header->qb.id = (
int32_t)request;
605 return header->qb.size;
613 struct crm_ipc_response_header *header = iov[0].iov_base;
625 header->flags |=
flags;
627 header->qb.id =
id++;
634 struct iovec *iov_copy = calloc(2,
sizeof(
struct iovec));
637 iov_copy[0].iov_len = iov[0].iov_len;
638 iov_copy[0].iov_base = malloc(iov[0].iov_len);
639 memcpy(iov_copy[0].iov_base, iov[0].iov_base, iov[0].iov_len);
641 iov_copy[1].iov_len = iov[1].iov_len;
642 iov_copy[1].iov_base = malloc(iov[1].iov_len);
643 memcpy(iov_copy[1].iov_base, iov[1].iov_base, iov[1].iov_len);
651 rc = qb_ipcs_response_sendv(c->
ipcs, iov, 2);
652 if (rc < header->qb.size) {
653 crm_notice(
"Response %d to %p[%d] (%u bytes) failed: %s (%d)",
657 crm_trace(
"Response %d sent, %d bytes to %p[%d]", header->qb.id, rc, c->
ipcs, c->
pid);
661 free(iov[0].iov_base);
662 free(iov[1].iov_base);
667 if (flags & crm_ipc_server_event) {
673 if (rc == -EPIPE || rc == -ENOTCONN) {
684 struct iovec *iov = NULL;
688 return -EDESTADDRREQ;
698 crm_notice(
"Message to %p[%d] failed: %s (%d)",
723 #define MIN_MSG_SIZE 12336 724 #define MAX_MSG_SIZE 128*1024 730 unsigned int max_buf_size;
732 unsigned int buf_size;
739 qb_ipcc_connection_t *ipc;
744 pick_ipc_buffer(
unsigned int max)
746 static unsigned int global_max = 0;
748 if(global_max == 0) {
749 const char *env = getenv(
"PCMK_ipc_buffer");
761 return QB_MAX(max, global_max);
771 client->name = strdup(name);
772 client->buf_size = pick_ipc_buffer(max_size);
773 client->buffer = malloc(client->buf_size);
776 client->max_buf_size = client->buf_size;
779 client->pfd.events = POLLIN;
780 client->pfd.revents = 0;
797 static uid_t cl_uid = 0;
798 static gid_t cl_gid = 0;
799 pid_t found_pid = 0; uid_t found_uid = 0; gid_t found_gid = 0;
802 client->need_reply = FALSE;
803 client->ipc = qb_ipcc_connect(client->name, client->buf_size);
805 if (client->ipc == NULL) {
811 if (client->pfd.fd < 0) {
819 if (!cl_uid && !cl_gid
829 &found_pid, &found_uid,
831 crm_err(
"Daemon (IPC %s) is not authentic:" 832 " process %lld (uid: %lld, gid: %lld)",
834 (
long long) found_uid, (
long long) found_gid);
836 errno = ECONNABORTED;
841 crm_perror(LOG_ERR,
"Could not verify authenticity of daemon (IPC %s)",
848 qb_ipcc_context_set(client->ipc, client);
850 #ifdef HAVE_IPCS_GET_BUFFER_SIZE 851 client->max_buf_size = qb_ipcc_get_buffer_size(client->ipc);
852 if (client->max_buf_size > client->buf_size) {
853 free(client->buffer);
854 client->buffer = calloc(1, client->max_buf_size);
855 client->buf_size = client->max_buf_size;
866 crm_trace(
"Disconnecting %s IPC connection %p (%p.%p)", client->name, client, client->ipc);
869 qb_ipcc_connection_t *ipc = client->ipc;
872 qb_ipcc_disconnect(ipc);
881 if (client->ipc && qb_ipcc_is_connected(client->ipc)) {
882 crm_notice(
"Destroying an active IPC connection to %s", client->name);
893 crm_trace(
"Destroying IPC connection to %s: %p", client->name, client);
894 free(client->buffer);
905 if (client && client->ipc && (qb_ipcc_fd_get(client->ipc, &fd) == 0)) {
909 crm_perror(LOG_ERR,
"Could not obtain file IPC descriptor for %s",
910 (client? client->name :
"unspecified client"));
919 if (client == NULL) {
923 }
else if (client->ipc == NULL) {
927 }
else if (client->pfd.fd < 0) {
932 rc = qb_ipcc_is_connected(client->ipc);
934 client->pfd.fd = -EINVAL;
948 client->pfd.revents = 0;
949 return poll(&(client->pfd), 1, 0);
955 struct crm_ipc_response_header *header = (
struct crm_ipc_response_header *)(
void*)client->buffer;
957 if (header->size_compressed) {
959 unsigned int size_u = 1 + header->size_uncompressed;
961 unsigned int new_buf_size = QB_MAX((hdr_offset + size_u), client->max_buf_size);
962 char *uncompressed = calloc(1, new_buf_size);
964 crm_trace(
"Decompressing message data %u bytes into %u bytes",
965 header->size_compressed, size_u);
967 rc = BZ2_bzBuffToBuffDecompress(uncompressed + hdr_offset, &size_u,
968 client->buffer + hdr_offset, header->size_compressed, 1, 0);
984 CRM_ASSERT(size_u == header->size_uncompressed);
986 memcpy(uncompressed, client->buffer, hdr_offset);
987 header = (
struct crm_ipc_response_header *)(
void*)uncompressed;
989 free(client->buffer);
990 client->buf_size = new_buf_size;
991 client->buffer = uncompressed;
994 CRM_ASSERT(client->buffer[hdr_offset + header->size_uncompressed - 1] == 0);
1001 struct crm_ipc_response_header *header = NULL;
1009 client->buffer[0] = 0;
1010 client->msg_size = qb_ipcc_event_recv(client->ipc, client->buffer, client->buf_size - 1, 0);
1011 if (client->msg_size >= 0) {
1012 int rc = crm_ipc_decompress(client);
1018 header = (
struct crm_ipc_response_header *)(
void*)client->buffer;
1020 crm_err(
"Filtering incompatible v%d IPC message, we only support versions <= %d",
1025 crm_trace(
"Received %s event %d, size=%u, rc=%d, text: %.100s",
1026 client->name, header->qb.id, header->qb.size, client->msg_size,
1027 client->buffer + hdr_offset);
1034 crm_err(
"Connection to %s failed", client->name);
1039 return header->size_uncompressed;
1048 return client->buffer +
sizeof(
struct crm_ipc_response_header);
1054 struct crm_ipc_response_header *header = NULL;
1057 if (client->buffer == NULL) {
1061 header = (
struct crm_ipc_response_header *)(
void*)client->buffer;
1062 return header->flags;
1069 return client->name;
1073 internal_ipc_send_recv(
crm_ipc_t * client,
const void *iov)
1078 rc = qb_ipcc_sendv_recv(client->ipc, iov, 2, client->buffer, client->buf_size, -1);
1085 internal_ipc_send_request(
crm_ipc_t * client,
const void *iov,
int ms_timeout)
1088 time_t timeout = time(NULL) + 1 + (ms_timeout / 1000);
1091 rc = qb_ipcc_sendv(client->ipc, iov, 2);
1098 internal_ipc_get_reply(
crm_ipc_t * client,
int request_id,
int ms_timeout)
1100 time_t timeout = time(NULL) + 1 + (ms_timeout / 1000);
1106 crm_trace(
"client %s waiting on reply to msg id %d", client->name, request_id);
1109 rc = qb_ipcc_recv(client->ipc, client->buffer, client->buf_size, 1000);
1111 struct crm_ipc_response_header *hdr = NULL;
1113 int rc = crm_ipc_decompress(client);
1119 hdr = (
struct crm_ipc_response_header *)(
void*)client->buffer;
1120 if (hdr->qb.id == request_id) {
1123 }
else if (hdr->qb.id < request_id) {
1126 crm_err(
"Discarding old reply %d (need %d)", hdr->qb.id, request_id);
1132 crm_err(
"Discarding newer reply %d (need %d)", hdr->qb.id, request_id);
1137 crm_err(
"Server disconnected client %s while waiting for msg id %d", client->name,
1142 }
while (time(NULL) < timeout);
1154 static int factor = 8;
1155 struct crm_ipc_response_header *header;
1159 if (client == NULL) {
1165 crm_notice(
"Connection to %s closed", client->name);
1169 if (ms_timeout == 0) {
1173 if (client->need_reply) {
1174 crm_trace(
"Trying again to obtain pending reply from %s", client->name);
1175 rc = qb_ipcc_recv(client->ipc, client->buffer, client->buf_size, ms_timeout);
1177 crm_warn(
"Sending to %s (%p) is disabled until pending reply is received", client->name,
1182 crm_notice(
"Lost reply from %s (%p) finally arrived, sending re-enabled", client->name,
1184 client->need_reply = FALSE;
1195 header = iov[0].iov_base;
1196 header->flags |=
flags;
1203 if(header->size_compressed) {
1204 if(factor < 10 && (client->max_buf_size / 10) < (rc / factor)) {
1205 crm_notice(
"Compressed message exceeds %d0%% of the configured ipc limit (%u bytes), " 1206 "consider setting PCMK_ipc_buffer to %u or higher",
1207 factor, client->max_buf_size, 2 * client->max_buf_size);
1212 crm_trace(
"Sending from client: %s request id: %d bytes: %u timeout:%d msg...",
1213 client->name, header->qb.id, header->qb.size, ms_timeout);
1217 rc = internal_ipc_send_request(client, iov, ms_timeout);
1220 crm_trace(
"Failed to send from client %s request %d with %u bytes...",
1221 client->name, header->qb.id, header->qb.size);
1225 crm_trace(
"Message sent, not waiting for reply to %d from %s to %u bytes...",
1226 header->qb.id, client->name, header->qb.size);
1231 rc = internal_ipc_get_reply(client, header->qb.id, ms_timeout);
1240 client->need_reply = TRUE;
1244 rc = internal_ipc_send_recv(client, iov);
1248 struct crm_ipc_response_header *hdr = (
struct crm_ipc_response_header *)(
void*)client->buffer;
1250 crm_trace(
"Received response %d, size=%u, rc=%ld, text: %.200s", hdr->qb.id, hdr->qb.size,
1258 crm_trace(
"Response not received: rc=%ld, errno=%d", rc, errno);
1265 }
else if (rc == -ETIMEDOUT) {
1266 crm_warn(
"Request %d to %s (%p) failed: %s (%ld) after %dms",
1267 header->qb.id, client->name, client->ipc,
pcmk_strerror(rc), rc, ms_timeout);
1270 }
else if (rc <= 0) {
1271 crm_warn(
"Request %d to %s (%p) failed: %s (%ld)",
1272 header->qb.id, client->name, client->ipc,
pcmk_strerror(rc), rc);
1276 free(iov[1].iov_base);
1283 pid_t *gotpid, uid_t *gotuid, gid_t *gotgid) {
1285 pid_t found_pid = 0; uid_t found_uid = 0; gid_t found_gid = 0;
1286 #if defined(US_AUTH_PEERCRED_UCRED) 1288 socklen_t ucred_len =
sizeof(ucred);
1290 if (!getsockopt(sock, SOL_SOCKET, SO_PEERCRED,
1292 && ucred_len ==
sizeof(ucred)) {
1293 found_pid = ucred.pid; found_uid = ucred.uid; found_gid = ucred.gid;
1295 #elif defined(US_AUTH_PEERCRED_SOCKPEERCRED) 1296 struct sockpeercred sockpeercred;
1297 socklen_t sockpeercred_len =
sizeof(sockpeercred);
1299 if (!getsockopt(sock, SOL_SOCKET, SO_PEERCRED,
1300 &sockpeercred, &sockpeercred_len)
1301 && sockpeercred_len ==
sizeof(sockpeercred_len)) {
1302 found_pid = sockpeercred.pid;
1303 found_uid = sockpeercred.uid; found_gid = sockpeercred.gid;
1305 #elif defined(US_AUTH_GETPEEREID) 1306 if (!getpeereid(sock, &found_uid, &found_gid)) {
1309 #elif defined(US_AUTH_GETPEERUCRED) 1311 if (!getpeerucred(sock, &ucred)) {
1313 found_pid = ucred_getpid(ucred);
1314 found_uid = ucred_geteuid(ucred); found_gid = ucred_getegid(ucred);
1322 # error "No way to authenticate a Unix socket peer" 1326 if (gotpid != NULL) {
1327 *gotpid = found_pid;
1329 if (gotuid != NULL) {
1330 *gotuid = found_uid;
1332 if (gotgid != NULL) {
1333 *gotgid = found_gid;
1335 ret = (found_uid == 0 || found_uid == refuid || found_gid == refgid);
1345 gid_t refgid, pid_t *gotpid) {
1346 static char last_asked_name[PATH_MAX / 2] =
"";
1348 pid_t found_pid = 0; uid_t found_uid = 0; gid_t found_gid = 0;
1349 qb_ipcc_connection_t *c;
1351 if ((c = qb_ipcc_connect(name, 0)) == NULL) {
1354 }
else if ((ret = qb_ipcc_fd_get(c, &fd))) {
1355 crm_err(
"Could not get fd from %s IPC: %s (%d)", name,
1360 &found_pid, &found_uid,
1363 crm_err(
"Could not get peer credentials from %s IPC", name);
1365 crm_err(
"Could not get peer credentials from %s IPC: %s (%d)",
1371 if (gotpid != NULL) {
1372 *gotpid = found_pid;
1376 crm_err(
"Daemon (IPC %s) effectively blocked with unauthorized" 1377 " process %lld (uid: %lld, gid: %lld)",
1379 (
long long) found_uid, (
long long) found_gid);
1381 }
else if ((found_uid != refuid || found_gid != refgid)
1382 && strncmp(last_asked_name, name,
sizeof(last_asked_name))) {
1383 if (!found_uid && refuid) {
1384 crm_warn(
"Daemon (IPC %s) runs as root, whereas the expected" 1385 " credentials are %lld:%lld, hazard of violating" 1386 " the least privilege principle",
1387 name, (
long long) refuid, (
long long) refgid);
1389 crm_notice(
"Daemon (IPC %s) runs as %lld:%lld, whereas the" 1390 " expected credentials are %lld:%lld, which may" 1391 " mean a different set of privileges than expected",
1392 name, (
long long) found_uid, (
long long) found_gid,
1393 (
long long) refuid, (
long long) refgid);
1395 memccpy(last_asked_name, name,
'\0',
sizeof(last_asked_name));
1400 qb_ipcc_disconnect(c);
1411 const char *client_name,
const char *major_version,
const char *minor_version)
1413 xmlNode *hello_node = NULL;
1414 xmlNode *hello = NULL;
1416 if (uuid == NULL || strlen(uuid) == 0
1417 || client_name == NULL || strlen(client_name) == 0
1418 || major_version == NULL || strlen(major_version) == 0
1419 || minor_version == NULL || strlen(minor_version) == 0) {
1420 crm_err(
"Missing fields, Hello message will not be valid.");
1425 crm_xml_add(hello_node,
"major_version", major_version);
1426 crm_xml_add(hello_node,
"minor_version", minor_version);
1427 crm_xml_add(hello_node,
"client_name", client_name);
const char * crm_ipc_buffer(crm_ipc_t *client)
void crm_write_blackbox(int nsig, struct qb_log_callsite *callsite)
void crm_ipc_close(crm_ipc_t *client)
#define crm_notice(fmt, args...)
char * crm_generate_uuid(void)
uint32_t crm_ipc_buffer_flags(crm_ipc_t *client)
int crm_ipc_send(crm_ipc_t *client, xmlNode *message, enum crm_ipc_flags flags, int32_t ms_timeout, xmlNode **reply)
const char * pcmk_strerror(int rc)
crm_client_t * crm_client_get(qb_ipcs_connection_t *c)
qb_ipcs_connection_t * ipcs
crm_client_t * crm_client_get_by_id(const char *id)
xmlNode * create_reply_adv(xmlNode *original_request, xmlNode *xml_response_data, const char *origin)
#define PCMK__SPECIAL_PID_AS_0(p)
bool crm_ipc_connect(crm_ipc_t *client)
Establish an IPC connection to a Pacemaker component.
int crm_parse_int(const char *text, const char *default_text)
#define PCMK__SPECIAL_PID
struct crm_remote_s * remote
int crm_user_lookup(const char *name, uid_t *uid, gid_t *gid)
#define CRM_LOG_ASSERT(expr)
void crm_client_destroy(crm_client_t *c)
int crm_ipc_get_fd(crm_ipc_t *client)
void crm_client_init(void)
int crm_ipc_is_authentic_process(int sock, uid_t refuid, gid_t refgid, pid_t *gotpid, uid_t *gotuid, gid_t *gotgid)
Check the authenticity of the IPC socket peer process.
#define clear_bit(word, bit)
void crm_client_disconnect_all(qb_ipcs_service_t *service)
char * strerror(int errnum)
ssize_t crm_ipc_prepare(uint32_t request, xmlNode *message, struct iovec **result, uint32_t max_send_size)
ssize_t crm_ipcs_flush_events(crm_client_t *c)
xmlNode * string2xml(const char *input)
ssize_t crm_ipcs_sendv(crm_client_t *c, struct iovec *iov, enum crm_ipc_flags flags)
#define crm_warn(fmt, args...)
crm_client_t * crm_client_new(qb_ipcs_connection_t *c, uid_t uid_client, gid_t gid_client)
#define crm_debug(fmt, args...)
struct crm_ipc_s crm_ipc_t
const char * crm_ipc_name(crm_ipc_t *client)
GHashTable * client_connections
unsigned int crm_ipc_default_buffer_size(void)
#define crm_trace(fmt, args...)
void crm_ipc_destroy(crm_ipc_t *client)
xmlNode * create_xml_node(xmlNode *parent, const char *name)
const char * crm_element_value(xmlNode *data, const char *name)
gboolean add_message_xml(xmlNode *msg, const char *field, xmlNode *xml)
void free_xml(xmlNode *child)
void crm_ipcs_send_ack(crm_client_t *c, uint32_t request, uint32_t flags, const char *tag, const char *function, int line)
xmlNode * crm_ipcs_recv(crm_client_t *c, void *data, size_t size, uint32_t *id, uint32_t *flags)
const char * crm_xml_add(xmlNode *node, const char *name, const char *value)
const char * crm_xml_add_int(xmlNode *node, const char *name, int value)
ssize_t crm_ipcs_send(crm_client_t *c, uint32_t request, xmlNode *message, enum crm_ipc_flags flags)
int pcmk__ipc_is_authentic_process_active(const char *name, uid_t refuid, gid_t refgid, pid_t *gotpid)
#define crm_perror(level, fmt, args...)
Log a system error message.
bool crm_compress_string(const char *data, int length, int max, char **result, unsigned int *result_len)
xmlNode * create_hello_message(const char *uuid, const char *client_name, const char *major_version, const char *minor_version)
#define crm_err(fmt, args...)
const char * bz2_strerror(int rc)
#define crm_log_xml_notice(xml, text)
char * dump_xml_unformatted(xmlNode *msg)
int crm_ipc_ready(crm_ipc_t *client)
#define XML_ATTR_RESPONSE
long crm_ipc_read(crm_ipc_t *client)
Wrappers for and extensions to libqb IPC.
char * generate_hash_key(const char *crm_msg_reference, const char *sys)
int crm_ipcs_client_pid(qb_ipcs_connection_t *c)
#define crm_log_xml_trace(xml, text)
void crm_client_cleanup(void)
const char * crm_client_name(crm_client_t *c)
bool crm_ipc_connected(crm_ipc_t *client)
crm_ipc_t * crm_ipc_new(const char *name, size_t max_size)
xmlNode * create_request_adv(const char *task, xmlNode *msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *origin)
#define create_request(task, xml_data, host_to, sys_to, sys_from, uuid_from)
#define crm_info(fmt, args...)
char * uid2username(uid_t uid)
enum crm_ais_msg_types type