#include <roken.h>
-#include <fcntl.h>
-#include <stdarg.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#ifndef AFS_NT40_ENV
-#include <unistd.h>
-#endif
#ifdef AFS_AIX32_ENV
#include <sys/audit.h>
#else
#define AUDIT_FAIL_ACCESS 3
#define AUDIT_FAIL_PRIV 4
#endif /* AFS_AIX32_ENV */
-#include <errno.h>
+#include <afs/opr.h>
#include "afs/afsint.h"
+#include "afs/butc.h"
#include <rx/rx.h>
#include <rx/rxkad.h>
#include "audit.h"
#include "audit-api.h"
#include "lock.h"
-#ifdef AFS_AIX32_ENV
-#include <sys/audit.h>
-#endif
-#include <afs/afsutil.h>
-/* C99 requires va_copy. Older versions of GCC provide __va_copy. Per t
- Autoconf manual, memcpy is a generally portable fallback. */
-#ifndef va_copy
-# ifdef __va_copy
-# define va_copy(d, s) __va_copy((d), (s))
-# else
-# define va_copy(d, s) memcpy(&(d), &(s), sizeof(va_list))
-# endif
-#endif
+#include <afs/afsutil.h>
extern struct osi_audit_ops audit_file_ops;
#ifdef HAVE_SYS_IPC_H
#endif
static struct {
+ void *rock;
+ int (*islocal)(void *rock, char *name, char *inst, char *cell);
+} audit_user_check = { NULL, NULL };
+
+static struct {
const char *name;
const struct osi_audit_ops *ops;
} audit_interfaces[] = {
{ "sysvmq", &audit_sysvmq_ops },
#endif
};
+/* default_interface indexes into the audit_interfaces list. */
+static int default_interface = 0; /* Set default to the file interface */
#define N_INTERFACES (sizeof(audit_interfaces) / sizeof(audit_interfaces[0]))
-/* default to `file' audit interface */
-static const struct osi_audit_ops *audit_ops = &audit_file_ops;
+/*
+ * Audit interface calling sequence:
+ * osi_audit_interface - sets the default audit interface
+ * osi_audit_file
+ * create_instance - Called during command arg processing (-auditlog)
+ * open_file - Called during command arg processing (-auditlog)
+ * osi_audit_open_interface
+ * open_interface - Called after thread environment has been established
+ * osi_audit_close_interface
+ * close_interface - Called during main process shutdown
+ * osi_audit
+ * send_msg - Called during audit events
+ */
+struct audit_log {
+ struct opr_queue link;
+ const struct osi_audit_ops *audit_ops;
+ int auditout_open;
+ void *context;
+};
+
+struct audit_msg {
+ char buf[OSI_AUDIT_MAXMSG];
+ size_t len; /* length of the string in 'buf' (not including the trailing '\0') */
+ int truncated; /* was this message truncated during formatting? */
+};
+
+#ifdef AFS_PTHREAD_ENV
+static pthread_mutex_t audit_lock;
+static pthread_once_t audit_lock_once = PTHREAD_ONCE_INIT;
+#endif
+
+/* Chain of active interfaces */
+static struct opr_queue audit_logs = {&audit_logs, &audit_logs};
static int osi_audit_all = (-1); /* Not determined yet */
static int osi_echo_trail = (-1);
-static int auditout_open = 0;
+static int auditout_open = 0; /* True if any interface is open */
static int osi_audit_check(void);
+/*
+ * Send the message to all the interfaces
+ * @pre audit_lock held
+ */
+static void
+multi_send_msg(struct audit_msg *msg)
+{
+ struct opr_queue *cursor;
+
+ if (msg->len < 1) /* Don't send empty strings */
+ return;
+
+ for (opr_queue_Scan(&audit_logs, cursor)) {
+ struct audit_log *alog;
+ alog = opr_queue_Entry(cursor, struct audit_log, link);
+ if (alog->auditout_open) {
+ alog->audit_ops->send_msg(alog->context, msg->buf, msg->len,
+ msg->truncated);
+ }
+ }
+}
+static void
+append_msg(struct audit_msg *msg, const char *format, ...)
+{
+ va_list ap;
+ int remaining, printed;
+
+ if (msg->truncated) {
+ return;
+ }
+
+ if (msg->len >= OSI_AUDIT_MAXMSG - 1) {
+ /* Make sure we have at least some space left */
+ msg->truncated = 1;
+ return;
+ }
+
+ remaining = OSI_AUDIT_MAXMSG - msg->len;
+
+ va_start(ap, format);
+
+ printed = vsnprintf(&msg->buf[msg->len], remaining, format, ap);
+
+ if (printed < 0) {
+ /* Error during formatting. */
+ msg->truncated = 1;
+ printed = 0;
+
+ } else if (printed >= remaining) {
+ /* We tried to write more characters than we had space for. */
+ msg->truncated = 1;
+ printed = remaining - 1;
+
+ /* Make sure we're still terminated. */
+ msg->buf[OSI_AUDIT_MAXMSG - 1] = '\0';
+ }
+
+ msg->len += printed;
+ opr_Assert(msg->len < OSI_AUDIT_MAXMSG);
+
+ va_end(ap);
+}
#ifdef AFS_AIX32_ENV
static char *bufferPtr;
static int bufferLen;
bufferPtr += sizeof(struct AFSFid);
break;
}
+ /* butc tape label */
+ case AUD_TLBL:
+ {
+ struct tc_tapeLabel *label;
+
+ label = (struct tc_tapeLabel *)va_arg(vaList,
+ struct tc_tapeLabel *);
+ if (label)
+ memcpy(bufferPtr, label, sizeof(*label));
+ else
+ memset(bufferPtr, 0, sizeof(*label));
+ bufferPtr += sizeof(label);
+ break;
+ }
+ /* butc dump interface */
+ case AUD_TDI:
+ {
+ struct tc_dumpInterface *di;
+
+ di = (struct tc_dumpInterface *)
+ va_arg(vaList, struct tc_dumpInterface *);
+ if (di)
+ memcpy(bufferPtr, di, sizeof(*di));
+ else
+ memset(bufferPtr, 0, sizeof(*di));
+ bufferPtr += sizeof(*di);
+ break;
+ }
+ /*
+ * butc dump array
+ * An array of dump descriptions, but the AIX audit package assumes fixed
+ * length, so we can only do the first one for now.
+ */
+ case AUD_TDA:
+ {
+ struct tc_dumpArray *da;
+
+ da = (struct tc_dumpArray *)
+ va_arg(vaList, struct tc_dumpArray *);
+ if (da && da->tc_dumpArray_len) {
+ memcpy(bufferPtr, &da->tc_dumpArray_len, sizeof(u_int));
+ bufferPtr += sizeof(u_int);
+ memcpy(bufferPtr, da->tc_dumpArray_val,
+ sizeof(da->tc_dumpArray_val[0]));
+ } else {
+ memset(bufferPtr, 0, sizeof(u_int));
+ bufferPtr += sizeof(u_int);
+ memset(bufferPtr, 0, sizeof(da->tc_dumpArray_val[0]));
+ }
+ bufferPtr += sizeof(da->tc_dumpArray_val[0]);
+ break;
+ }
+ /*
+ * butc restore array
+ * An array of restore descriptions, but the AIX audit package assumes
+ * fixed length, so we can only do the first one for now.
+ */
+ case AUD_TRA:
+ {
+ struct tc_restoreArray *ra;
+
+ ra = (struct tc_restoreArray *)
+ va_arg(vaList, struct tc_restoreArray *);
+ if (ra && ra->tc_restoreArray_len) {
+ memcpy(bufferPtr, &ra->tc_restoreArray_len, sizeof(u_int));
+ bufferPtr += sizeof(u_int);
+ memcpy(bufferPtr, ra->tc_restoreArray_val,
+ sizeof(ra->tc_restoreArray_val[0]));
+ } else {
+ memset(bufferPtr, 0, sizeof(u_int));
+ bufferPtr += sizeof(u_int);
+ memset(bufferPtr, 0, sizeof(ra->tc_restoreArray_val[0]));
+ }
+ bufferPtr += sizeof(ra->tc_restoreArray_val[0]);
+ break;
+ }
+ /* butc tape controller status */
+ case AUD_TSTT:
+ {
+ struct tciStatusS *status;
+
+ status = (struct tciStatusS *)va_arg(vaList,
+ struct tciStatusS *);
+ if (status)
+ memcpy(bufferPtr, status, sizeof(*status));
+ else
+ memset(bufferPtr, 0, sizeof(*status));
+ bufferPtr += sizeof(*status);
+ break;
+ }
default:
#ifdef AFS_AIX32_ENV
code =
char *vaStr;
struct AFSFid *vaFid;
struct AFSCBFids *vaFids;
+ struct tc_tapeLabel *vaLabel;
+ struct tc_dumpInterface *vaDI;
+ struct tc_dumpArray *vaDA;
+ struct tc_restoreArray *vaRA;
+ struct tciStatusS *vaTCstatus;
int num = LogThreadNum();
struct in_addr hostAddr;
time_t currenttime;
- char *timeStamp;
char tbuffer[26];
+ struct tm tm;
+ struct audit_msg *msg = calloc(1, sizeof(*msg));
+
+ if (!msg) {
+ return;
+ }
/* Don't print the timestamp or thread id if we recursed */
if (rec == 0) {
currenttime = time(0);
- timeStamp = afs_ctime(¤ttime, tbuffer,
- sizeof(tbuffer));
- timeStamp[24] = ' '; /* ts[24] is the newline, 25 is the null */
- audit_ops->append_msg(timeStamp);
+ if (strftime(tbuffer, sizeof(tbuffer), "%a %b %d %H:%M:%S %Y ",
+ localtime_r(¤ttime, &tm)) !=0)
+ append_msg(msg, tbuffer);
if (num > -1)
- audit_ops->append_msg("[%d] ", num);
+ append_msg(msg, "[%d] ", num);
}
- audit_ops->append_msg("EVENT %s CODE %d ", audEvent, errCode);
+ append_msg(msg, "EVENT %s CODE %d ", audEvent, errCode);
if (afsName) {
hostAddr.s_addr = hostId;
- audit_ops->append_msg("NAME %s HOST %s ", afsName, inet_ntoa(hostAddr));
+ append_msg(msg, "NAME %s HOST %s ", afsName, inet_ntoa(hostAddr));
}
vaEntry = va_arg(vaList, int);
case AUD_STR: /* String */
vaStr = (char *)va_arg(vaList, char *);
if (vaStr)
- audit_ops->append_msg("STR %s ", vaStr);
+ append_msg(msg, "STR %s ", vaStr);
else
- audit_ops->append_msg("STR <null>");
+ append_msg(msg, "STR <null>");
break;
case AUD_NAME: /* Name */
vaStr = (char *)va_arg(vaList, char *);
if (vaStr)
- audit_ops->append_msg("NAME %s ", vaStr);
+ append_msg(msg, "NAME %s ", vaStr);
else
- audit_ops->append_msg("NAME <null>");
+ append_msg(msg, "NAME <null>");
break;
case AUD_ACL: /* ACL */
vaStr = (char *)va_arg(vaList, char *);
if (vaStr)
- audit_ops->append_msg("ACL %s ", vaStr);
+ append_msg(msg, "ACL %s ", vaStr);
else
- audit_ops->append_msg("ACL <null>");
+ append_msg(msg, "ACL <null>");
break;
case AUD_INT: /* Integer */
vaInt = va_arg(vaList, int);
- audit_ops->append_msg("INT %d ", vaInt);
+ append_msg(msg, "INT %d ", vaInt);
break;
case AUD_ID: /* ViceId */
vaInt = va_arg(vaList, int);
- audit_ops->append_msg("ID %d ", vaInt);
+ append_msg(msg, "ID %d ", vaInt);
break;
case AUD_DATE: /* Date */
vaLong = va_arg(vaList, afs_int32);
- audit_ops->append_msg("DATE %u ", vaLong);
+ append_msg(msg, "DATE %u ", vaLong);
break;
case AUD_HOST: /* Host ID */
vaLong = va_arg(vaList, afs_int32);
hostAddr.s_addr = vaLong;
- audit_ops->append_msg("HOST %s ", inet_ntoa(hostAddr));
+ append_msg(msg, "HOST %s ", inet_ntoa(hostAddr));
break;
case AUD_LONG: /* afs_int32 */
vaLong = va_arg(vaList, afs_int32);
- audit_ops->append_msg("LONG %d ", vaLong);
+ append_msg(msg, "LONG %d ", vaLong);
break;
case AUD_FID: /* AFSFid - contains 3 entries */
vaFid = va_arg(vaList, struct AFSFid *);
if (vaFid)
- audit_ops->append_msg("FID %u:%u:%u ", vaFid->Volume, vaFid->Vnode,
- vaFid->Unique);
+ append_msg(msg, "FID %u:%u:%u ", vaFid->Volume, vaFid->Vnode,
+ vaFid->Unique);
else
- audit_ops->append_msg("FID %u:%u:%u ", 0, 0, 0);
+ append_msg(msg, "FID %u:%u:%u ", 0, 0, 0);
break;
case AUD_FIDS: /* array of Fids */
vaFids = va_arg(vaList, struct AFSCBFids *);
vaFid = vaFids->AFSCBFids_val;
if (vaFid) {
- audit_ops->append_msg("FIDS %u FID %u:%u:%u ", vaFids->AFSCBFids_len, vaFid->Volume,
- vaFid->Vnode, vaFid->Unique);
- for ( i = 1; i < vaFids->AFSCBFids_len; i++, vaFid++ )
- audit_ops->append_msg("FID %u:%u:%u ", vaFid->Volume,
- vaFid->Vnode, vaFid->Unique);
+ append_msg(msg, "FIDS %u ", vaFids->AFSCBFids_len);
+ for ( i = 1; i <= vaFids->AFSCBFids_len; i++, vaFid++ )
+ append_msg(msg, "FID %u:%u:%u ", vaFid->Volume,
+ vaFid->Vnode, vaFid->Unique);
} else
- audit_ops->append_msg("FIDS 0 FID 0:0:0 ");
+ append_msg(msg, "FIDS 0 FID 0:0:0 ");
}
break;
+ case AUD_TLBL: /* butc tape label */
+ vaLabel = va_arg(vaList, struct tc_tapeLabel *);
+
+ if (vaLabel) {
+ append_msg(msg, "TAPELABEL %d:%.*s:%.*s:%u ",
+ vaLabel->size,
+ TC_MAXTAPELEN, vaLabel->afsname,
+ TC_MAXTAPELEN, vaLabel->pname,
+ vaLabel->tapeId);
+ } else {
+ append_msg(msg, "TAPELABEL <null>");
+ }
+ break;
+ case AUD_TDI:
+ vaDI = va_arg(vaList, struct tc_dumpInterface *);
+
+ if (vaDI) {
+ append_msg(msg,
+ "TCDUMPINTERFACE %.*s:%.*s:%.*s:%d:%d:%d:%d:%.*s:%.*s:%d:%d:%d:%d:%d ",
+ TC_MAXDUMPPATH, vaDI->dumpPath, TC_MAXNAMELEN, vaDI->volumeSetName,
+ TC_MAXNAMELEN, vaDI->dumpName, vaDI->parentDumpId, vaDI->dumpLevel,
+ vaDI->doAppend,
+ vaDI->tapeSet.id, TC_MAXHOSTLEN, vaDI->tapeSet.tapeServer,
+ TC_MAXFORMATLEN, vaDI->tapeSet.format, vaDI->tapeSet.maxTapes,
+ vaDI->tapeSet.a, vaDI->tapeSet.b, vaDI->tapeSet.expDate,
+ vaDI->tapeSet.expType);
+ } else {
+ append_msg(msg, "TCDUMPINTERFACE <null>");
+ }
+ break;
+ case AUD_TDA:
+ vaDA = va_arg(vaList, struct tc_dumpArray *);
+
+ if (vaDA) {
+ u_int i;
+ struct tc_dumpDesc *desc;
+ struct in_addr hostAddr;
+
+ desc = vaDA->tc_dumpArray_val;
+ if (desc) {
+ append_msg(msg, "DUMPS %d ", vaDA->tc_dumpArray_len);
+ for (i = 0; i < vaDA->tc_dumpArray_len; i++, desc++) {
+ hostAddr.s_addr = desc->hostAddr;
+ append_msg(msg, "DUMP %d:%d:%.*s:%d:%d:%d:%s ",
+ desc->vid, desc->vtype, TC_MAXNAMELEN, desc->name,
+ desc->partition, desc->date, desc->cloneDate,
+ inet_ntoa(hostAddr));
+ }
+ } else {
+ append_msg(msg, "DUMPS 0 DUMP 0:0::0:0:0:0.0.0.0");
+ }
+ }
+ break;
+ case AUD_TRA:
+ vaRA = va_arg(vaList, struct tc_restoreArray *);
+
+ if (vaRA) {
+ u_int i;
+ struct tc_restoreDesc *desc;
+ struct in_addr hostAddr;
+
+ desc = vaRA->tc_restoreArray_val;
+ if (desc) {
+ append_msg(msg, "RESTORES %d ",
+ vaRA->tc_restoreArray_len);
+ for(i = 0; i < vaRA->tc_restoreArray_len; i++, desc++) {
+ hostAddr.s_addr = desc->hostAddr;
+ append_msg(msg,
+ "RESTORE %d:%.*s:%d:%d:%d:%d:%d:%d:%d:%s:%.*s:%.*s ",
+ desc->flags, TC_MAXTAPELEN, desc->tapeName,
+ desc->dbDumpId, desc->initialDumpId,
+ desc->position, desc->origVid, desc->vid,
+ desc->partition, desc->dumpLevel,
+ inet_ntoa(hostAddr), TC_MAXNAMELEN,
+ desc->oldName, TC_MAXNAMELEN, desc->newName);
+ }
+ } else {
+ append_msg(msg,
+ "RESTORES 0 RESTORE 0::0:0:0:0:0:0:0:0.0.0.0::: ");
+ }
+ }
+ break;
+ case AUD_TSTT:
+ vaTCstatus = va_arg(vaList, struct tciStatusS *);
+
+ if (vaTCstatus)
+ append_msg(msg, "TCSTATUS %.*s:%d:%d:%d:%d:%.*s:%d:%d ",
+ TC_MAXNAMELEN, vaTCstatus->taskName,
+ vaTCstatus->taskId, vaTCstatus->flags,
+ vaTCstatus->dbDumpId, vaTCstatus->nKBytes,
+ TC_MAXNAMELEN, vaTCstatus->volumeName,
+ vaTCstatus->volsFailed,
+ vaTCstatus->lastPolled);
+ else
+ append_msg(msg, "TCSTATUS <null>");
+ break;
default:
- audit_ops->append_msg("--badval-- ");
+ append_msg(msg, "--badval-- ");
break;
} /* end switch */
vaEntry = va_arg(vaList, int);
} /* end while */
- audit_ops->send_msg();
+ MUTEX_ENTER(&audit_lock);
+ multi_send_msg(msg);
+ MUTEX_EXIT(&audit_lock);
+
+ free(msg);
}
#ifdef AFS_PTHREAD_ENV
-static pthread_mutex_t audit_lock;
-static volatile afs_int32 audit_lock_initialized = 0;
-static pthread_once_t audit_lock_once = PTHREAD_ONCE_INIT;
-
static void
osi_audit_init_lock(void)
{
MUTEX_INIT(&audit_lock, "audit", MUTEX_DEFAULT, 0);
- audit_lock_initialized = 1;
}
#endif
osi_audit_init(void)
{
#ifdef AFS_PTHREAD_ENV
- if (!audit_lock_initialized) {
- pthread_once(&audit_lock_once, osi_audit_init_lock);
- }
+ pthread_once(&audit_lock_once, osi_audit_init_lock);
#endif /* AFS_PTHREAD_ENV */
}
#ifdef AFS_PTHREAD_ENV
/* i'm pretty sure all the server apps now call osi_audit_init(),
- * but to be extra careful we'll leave this assert in here for a
+ * but to be extra careful we'll leave this in here for a
* while to make sure */
- osi_Assert(audit_lock_initialized);
+ pthread_once(&audit_lock_once, osi_audit_init_lock);
#endif /* AFS_PTHREAD_ENV */
if ((osi_audit_all < 0) || (osi_echo_trail < 0))
}
#endif
- MUTEX_ENTER(&audit_lock);
#ifdef AFS_AIX32_ENV
+ MUTEX_ENTER(&audit_lock);
bufferPtr = BUFFER;
/* Put the error code into the buffer list */
bufferPtr += sizeof(errCode);
audmakebuf(audEvent, vaList);
-#endif
-#ifdef AFS_AIX32_ENV
bufferLen = (int)((afs_int32) bufferPtr - (afs_int32) & BUFFER[0]);
code = auditlog(audEvent, result, BUFFER, bufferLen);
+ MUTEX_EXIT(&audit_lock);
#else
if (auditout_open) {
printbuf(0, audEvent, afsName, hostId, errCode, vaList);
}
#endif
- MUTEX_EXIT(&audit_lock);
return 0;
}
struct rx_peer *peer;
afs_int32 secClass;
afs_int32 code;
- char afsName[MAXKTCNAMELEN];
+ char afsName[MAXKTCNAMELEN + MAXKTCNAMELEN + MAXKTCREALMLEN + 3];
afs_int32 hostId;
va_list vaList;
conn = rx_ConnectionOf(call); /* call -> conn) */
if (conn) {
secClass = rx_SecurityClassOf(conn); /* conn -> securityIndex */
- if (secClass == 0) { /* unauthenticated */
+ if (secClass == RX_SECIDX_NULL) { /* unauthenticated */
osi_audit("AFS_Aud_Unauth", (-1), AUD_STR, audEvent, AUD_END);
strcpy(afsName, "--UnAuth--");
- } else if (secClass == 2) { /* authenticated */
+ } else if (secClass == RX_SECIDX_KAD || secClass == RX_SECIDX_KAE) {
+ /* authenticated with rxkad */
char tcell[MAXKTCREALMLEN];
char name[MAXKTCNAMELEN];
char inst[MAXKTCNAMELEN];
- char vname[256];
- int ilen, clen;
code =
rxkad_GetServerInfo(conn, NULL, NULL, name, inst, tcell,
osi_audit("AFS_Aud_NoAFSId", (-1), AUD_STR, audEvent, AUD_END);
strcpy(afsName, "--NoName--");
} else {
- strncpy(vname, name, sizeof(vname));
- if ((ilen = strlen(inst))) {
- if (strlen(vname) + 1 + ilen >= sizeof(vname))
- goto done;
- strcat(vname, ".");
- strcat(vname, inst);
- }
- if ((clen = strlen(tcell))) {
-#if defined(AFS_ATHENA_STDENV) || defined(AFS_KERBREALM_ENV)
- static char local_realms[AFS_NUM_LREALMS][AFS_REALM_SZ];
- static int num_lrealms = -1;
- int i, lrealm_match;
-
- if (num_lrealms == -1) {
- for (i = 0; i < AFS_NUM_LREALMS; i++) {
- if (afs_krb_get_lrealm(local_realms[i], i) != 0 /*KSUCCESS*/)
- break;
- }
-
- if (i == 0)
- strncpy(local_realms[0], "UNKNOWN.LOCAL.REALM", AFS_REALM_SZ);
- num_lrealms = i;
- }
-
- /* Check to see if the ticket cell matches one of the local realms */
- lrealm_match = 0;
- for (i = 0; i < num_lrealms ; i++ ) {
- if (!strcasecmp(local_realms[i], tcell)) {
- lrealm_match = 1;
- break;
- }
- }
- /* If yes, then make sure that the name is not present in
- * an exclusion list */
- if (lrealm_match) {
- char uname[256];
- if (inst[0])
- snprintf(uname,sizeof(uname),"%s.%s@%s",name,inst,tcell);
- else
- snprintf(uname,sizeof(uname),"%s@%s",name,tcell);
-
- if (afs_krb_exclusion(uname))
- lrealm_match = 0;
- }
-
- if (!lrealm_match) {
- if (strlen(vname) + 1 + clen >= sizeof(vname))
- goto done;
- strcat(vname, "@");
- strcat(vname, tcell);
- }
-#endif
- }
- strcpy(afsName, vname);
- }
- } else { /* Unauthenticated & unknown */
+ afs_int32 islocal = 0;
+ if (audit_user_check.islocal) {
+ islocal =
+ audit_user_check.islocal(audit_user_check.rock,
+ name, inst, tcell);
+ }
+ strlcpy(afsName, name, sizeof(afsName));
+ if (inst[0]) {
+ strlcat(afsName, ".", sizeof(afsName));
+ strlcat(afsName, inst, sizeof(afsName));
+ }
+ if (tcell[0] && !islocal) {
+ strlcat(afsName, "@", sizeof(afsName));
+ strlcat(afsName, tcell, sizeof(afsName));
+ }
+ }
+ } else { /* Unauthenticated and/or unknown */
osi_audit("AFS_Aud_UnknSec", (-1), AUD_STR, audEvent, AUD_END);
strcpy(afsName, "--Unknown--");
}
- done:
peer = rx_PeerOf(conn); /* conn -> peer */
if (peer)
hostId = rx_HostOf(peer); /* peer -> host */
return 0;
}
+/*!
+ * Helper for processing cmd line options
+ *
+ * Process the parameters for the -audit-interface and -auditlog command line
+ * options
+ *
+ * @param[in] default_iface
+ * String for the default audit interface or NULL
+ * @param[in] audit_loglist
+ * Pointer to a cmd_item list of audit logs or NULL
+ *
+ * @return status
+ * @retval 0 - success
+ * @retval -1 - Error (message printed to stderr)
+ */
+
int
-osi_audit_file(const char *fileName)
+osi_audit_cmd_Options(char *default_iface, struct cmd_item *audit_loglist)
+{
+
+ if (default_iface) {
+ if (osi_audit_interface(default_iface)) {
+ fprintf(stderr, "Invalid auditinterface '%s'\n", default_iface);
+ return -1;
+ }
+ }
+
+ while (audit_loglist != NULL) {
+ if (osi_audit_file(audit_loglist->data)) {
+ fprintf(stderr, "Error processing auditlog options '%s'\n",
+ audit_loglist->data);
+ return -1;
+ }
+ audit_loglist = audit_loglist->next;
+ }
+ return 0;
+}
+
+ /*
+ * Handle parsing a string: [interface_name:]filespec[:options]
+ * The string a:b will parse 'a' as the interface name and 'b' as the filespec.
+ * Note that the string pointed by optionstr will be modified
+ * by strtok_r by inserting '\0' between the tokens.
+ * The values returned in interface_name, filespec and options
+ * are pointers to the 'sub-strings' within optionstr.
+ */
+static int
+parse_file_options(char *optionstr,
+ const char **interface_name,
+ char **filespec,
+ char **options)
{
- if(!audit_ops->open_file(fileName)) {
- auditout_open = 1;
- return 0;
+ int code = 0;
+ char *opt_cursor = optionstr;
+ char *tok1 = NULL, *tok2 = NULL, *tok3 = NULL, *tokptrsave = NULL;
+
+ /*
+ * Handle the fact that strtok doesn't handle empty fields e.g. a::b
+ * and will return tok1-> a tok2-> b
+ */
+
+ /* 1st field */
+ if (*opt_cursor != ':') {
+ tok1 = strtok_r(opt_cursor, ":", &tokptrsave);
+ opt_cursor = strtok_r(NULL, "", &tokptrsave);
+ } else {
+ /* Skip the ':' */
+ opt_cursor++;
+ }
+
+ /* 2nd field */
+ if (opt_cursor != NULL) {
+ if (*opt_cursor != ':') {
+ tok2 = strtok_r(opt_cursor, ":", &tokptrsave);
+ opt_cursor = strtok_r(NULL, "", &tokptrsave);
+ } else {
+ /* Skip the ':' */
+ opt_cursor++;
+ }
+ }
+
+ /* 3rd field is just the remainder if any */
+ tok3 = opt_cursor;
+
+ if (tok1 == NULL || strlen(tok1) == 0) {
+ fprintf(stderr, "Missing -auditlog parameter\n");
+ code = EINVAL;
+ goto done;
+ }
+
+ /* If only one token, then it's the filespec */
+ if (tok2 == NULL && tok3 == NULL) {
+ *filespec = tok1;
+ } else {
+ *interface_name = tok1;
+ *filespec = tok2;
+ *options = tok3;
+ }
+
+ done:
+ return code;
+}
+
+/*
+ * Parse the options looking for comma-seperated values.
+ */
+static int
+parse_option_string(const struct osi_audit_ops *ops, void *rock, char *options)
+{
+ int code = 0;
+ char *tok1, *tokptrsave = NULL;
+
+ tok1 = strtok_r(options, ",", &tokptrsave);
+ while (tok1) {
+ /* Handle opt=val or just opt */
+ char *opt, *val;
+ char *optvalsave;
+
+ opt = strtok_r(tok1, "=", &optvalsave);
+ val = strtok_r(NULL, "", &optvalsave);
+
+ code = ops->set_option(rock, opt, val);
+
+ if (code) {
+ /* Bad option */
+ goto done;
+ }
+ tok1 = strtok_r(NULL, ",", &tokptrsave);
+ }
+
+ done:
+ return code;
+}
+
+/*
+ * Process -auditlog
+ * [interface]:filespec[:options]
+ * interface - interface name (optional - defaults to default_interface)
+ * filespec - depends on the interface (required)
+ * options - optional string passed to interface
+ * Returns 0 - success
+ * EINVAL - option error
+ * ENOMEM - error allocating memory
+ */
+
+int
+osi_audit_file(const char *fileplusoptions)
+{
+
+ int idx;
+ int code;
+
+ char *optionstr = NULL;
+
+ const char *interface_name = NULL;
+ char *filespec = NULL;
+ char *options = NULL;
+
+ const struct osi_audit_ops *ops = NULL;
+ struct audit_log *new_alog = NULL;
+
+ /* Use the default unless specified */
+ interface_name = audit_interfaces[default_interface].name;
+
+ /* dup of the input string so the parsing can safely modify it */
+ optionstr = strdup(fileplusoptions);
+ if (!optionstr) {
+ code = ENOMEM;
+ goto done;
+ }
+
+ code = parse_file_options(optionstr, &interface_name, &filespec, &options);
+ if (code)
+ goto done;
+
+ if (interface_name && strlen(interface_name) != 0) {
+ for (idx = 0; idx < N_INTERFACES; idx++) {
+ if (strcmp(interface_name, audit_interfaces[idx].name) == 0) {
+ ops = audit_interfaces[idx].ops;
+ break;
+ }
+ }
+ if (ops == NULL) {
+ /* Couldn't find the interface name */
+ fprintf(stderr, "Could not find the specified audit interface %s\n", interface_name);
+ code = EINVAL;
+ goto done;
+ }
+ } else {
+ fprintf(stderr, "Missing interface name\n");
+ code = EINVAL;
+ goto done;
+ }
+
+ if (filespec == NULL || strlen(filespec) == 0) {
+ fprintf(stderr, "Missing auditlog path for %s interface\n", interface_name);
+ code = EINVAL;
+ goto done;
}
- return 1;
+
+ opr_Assert(ops->create_interface != NULL);
+ opr_Assert(ops->close_interface != NULL);
+ opr_Assert(ops->open_file != NULL);
+ opr_Assert(ops->send_msg != NULL);
+ opr_Assert(ops->print_interface_stats != NULL);
+ /* open_interface, set_option and close_interface are optional */
+
+ new_alog = calloc(1, sizeof(*new_alog));
+ if (!new_alog) {
+ code = ENOMEM;
+ goto done;
+ }
+
+ new_alog->audit_ops = ops;
+ new_alog->auditout_open = 0;
+
+ new_alog->context = ops->create_interface();
+ if (new_alog->context == NULL) {
+ code = ENOMEM;
+ goto done;
+ }
+
+ if (options != NULL && ops->set_option != NULL) {
+ /* Split the option string at commas */
+ code = parse_option_string(ops, new_alog->context, options);
+ if (code)
+ goto done;
+ }
+
+ code = ops->open_file(new_alog->context, filespec);
+ if (code) {
+ /* Error opening file */
+ goto done;
+ }
+
+ new_alog->auditout_open = 1;
+ auditout_open = 1;
+
+ /* Add to chain of active interfaces */
+ opr_queue_Append(&audit_logs, &new_alog->link);
+ new_alog = NULL;
+
+ code = 0;
+
+ done:
+ if (code) {
+ /* Error condition present.. */
+ if (new_alog) {
+ ops->close_interface(&new_alog->context);
+ free(new_alog);
+ }
+ }
+
+ if (optionstr)
+ free(optionstr);
+ return code;
}
+/*
+ * Set the default interface
+ * return 0 for success
+ * EINVAL missing or invalid interface name
+ */
int
osi_audit_interface(const char *interface)
{
- int i;
- for (i = 0; i < N_INTERFACES; ++i) {
- if (strcmp(interface, audit_interfaces[i].name) == 0) {
- audit_ops = audit_interfaces[i].ops;
+ int idx;
+
+ if (interface == NULL || strlen(interface) == 0)
+ return EINVAL;
+
+ for (idx = 0; idx < N_INTERFACES; idx++) {
+ if (strcmp(interface, audit_interfaces[idx].name) == 0) {
+ default_interface = idx;
return 0;
}
}
+ return EINVAL;
+}
- return 1;
+/*
+ * Let the interfaces finish initialization
+ */
+void
+osi_audit_open(void)
+{
+ struct opr_queue *cursor;
+
+ for (opr_queue_Scan(&audit_logs, cursor)) {
+ struct audit_log *alog;
+ alog = opr_queue_Entry(cursor, struct audit_log, link);
+ if (alog->auditout_open && alog->audit_ops->open_interface != NULL)
+ alog->audit_ops->open_interface(alog->context);
+ }
+}
+
+/*
+ * Shutdown the interfaces
+ */
+void
+osi_audit_close(void)
+{
+ struct opr_queue *cursor, *cursorsave;
+
+ for (opr_queue_ScanSafe(&audit_logs, cursor, cursorsave)) {
+ struct audit_log *alog;
+ alog = opr_queue_Entry(cursor, struct audit_log, link);
+ alog->audit_ops->close_interface(&alog->context);
+ opr_queue_Remove(&alog->link);
+ free(alog);
+ }
+}
+
+void
+osi_audit_set_user_check(void *rock,
+ int (*islocal) (void *rock, char *name, char *inst,
+ char *cell))
+{
+ audit_user_check.rock = rock;
+ audit_user_check.islocal = islocal;
}
void
audit_PrintStats(FILE *out)
{
- audit_ops->print_interface_stats(out);
+ struct opr_queue *cursor;
+
+ for (opr_queue_Scan(&audit_logs, cursor)) {
+ struct audit_log *alog;
+ alog = opr_queue_Entry(cursor, struct audit_log, link);
+ if (alog->auditout_open)
+ alog->audit_ops->print_interface_stats(alog->context, out);
+ }
}
git://git.openafs.org / openafs.git / blobdiff