/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
*/
+
+#include <afsconfig.h>
+#include <afs/param.h>
+#include <afs/stds.h>
+
+#include <roken.h>
+
#include <windows.h>
#include <winsock2.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include <shlwapi.h>
+#include <strsafe.h>
#include "afsd.h"
#include <WINNT\afssw.h>
#include <WINNT\afsreg.h>
-#include <afs/param.h>
-#include <afs/stds.h>
#include <afs/cellconfig.h>
-#ifdef AFS_AFSDB_ENV
#include "cm_dns.h"
#include <afs/afsint.h>
-#endif
static long cm_ParsePair(char *lineBufferp, char *leftp, char *rightp)
{
char tc;
int sawEquals;
int sawBracket;
-
+
sawEquals = 0;
sawBracket = 0;
for(tp = lineBufferp; *tp; tp++) {
}
/* comment or line end */
- if (tc == '#' || tc == '\r' || tc == '\n')
+ if (tc == '#' || tc == '\r' || tc == '\n')
break;
/* square bracket comment -- look for closing delim */
if (tc == '[') {
- sawBracket = 1;
+ sawBracket = 1;
continue;
- }
+ }
/* space or tab */
- if (tc == ' ' || tc == '\t')
+ if (tc == ' ' || tc == '\t')
continue;
if (tc == '=') {
/* now we have a real character, put it in the appropriate bucket */
if (sawEquals == 0) {
*leftp++ = tc;
- }
- else {
+ }
+ else {
*rightp++ = tc;
}
}
}
p = strrchr(name, '.');
if (p) {
- if (i == 1 &&
- (!stricmp(p,".dll") ||
- !stricmp(p,".exe") ||
- !stricmp(p,".ini") ||
- !stricmp(p,".db") ||
- !stricmp(p,".drv")))
+ /* as of 2009-09-04 these are not valid ICANN ccTLDs */
+ if (i == 1 &&
+ (!cm_stricmp_utf8N(p,".dll") ||
+ !cm_stricmp_utf8N(p,".exe") ||
+ !cm_stricmp_utf8N(p,".ini") ||
+ !cm_stricmp_utf8N(p,".db") ||
+ !cm_stricmp_utf8N(p,".drv")))
return 1;
}
return 0;
* If the caller wants the "real" cell name, it puts a non-null pointer in
* newCellNamep. Anomaly: if cellNamep is ambiguous, we may modify
* newCellNamep but return an error code.
+ *
+ * Linked Cells: the CellServDB format permits linked cells
+ * >cell [linked-cell] #Description
+ *
+ * newCellNamep and linkedNamep are required to be CELL_MAXNAMELEN in size.
*/
long cm_SearchCellFile(char *cellNamep, char *newCellNamep,
cm_configProc_t *procp, void *rockp)
{
- char wdir[257];
+ return cm_SearchCellFileEx(cellNamep, newCellNamep, NULL, procp, rockp);
+}
+
+long cm_SearchCellFileEx(char *cellNamep, char *newCellNamep,
+ char *linkedNamep,
+ cm_configProc_t *procp, void *rockp)
+{
+ char wdir[MAX_PATH]="";
FILE *tfilep = NULL, *bestp, *tempp;
- char *tp;
+ char *tp, *linkp;
char lineBuffer[257];
struct hostent *thp;
char *valuep;
struct sockaddr_in vlSockAddr;
- int inRightCell;
+ int inRightCell = 0;
int foundCell = 0;
long code;
int tracking = 1, partial = 0;
+ size_t len;
if ( IsWindowsModule(cellNamep) )
return -3;
cm_GetCellServDB(wdir, sizeof(wdir));
- tfilep = fopen(wdir, "r");
+ if (*wdir)
+ tfilep = fopen(wdir, "r");
- if (!tfilep)
+ if (!tfilep)
return -2;
bestp = fopen(wdir, "r");
-
+
#ifdef CELLSERV_DEBUG
- osi_Log2(afsd_logp,"cm_searchfile fopen handle[%p], wdir[%s]", bestp,
+ osi_Log2(afsd_logp,"cm_searchfile fopen handle[%p], wdir[%s]", bestp,
osi_LogSaveString(afsd_logp,wdir));
#endif
/* have we seen the cell line for the guy we're looking for? */
- inRightCell = 0;
while (1) {
+ linkp = NULL;
tp = fgets(lineBuffer, sizeof(lineBuffer), tfilep);
if (tracking)
(void) fgets(lineBuffer, sizeof(lineBuffer), bestp);
- if ( tp == NULL) {
+ if (tp == NULL) {
if (feof(tfilep)) {
/* hit EOF */
if (partial) {
return (foundCell? 0 : -3);
}
}
- }
+ }
/* turn trailing cr or lf into null */
- tp = strchr(lineBuffer, '\r');
+ tp = strrchr(lineBuffer, '\r');
if (tp) *tp = 0;
- tp = strchr(lineBuffer, '\n');
+ tp = strrchr(lineBuffer, '\n');
if (tp) *tp = 0;
/* skip blank lines */
if (lineBuffer[0] == 0) continue;
+ /*
+ * The format is:
+ * >[cell] [linked-cell] #[Description]
+ * where linked-cell and Description are optional
+ */
if (lineBuffer[0] == '>') {
- /* trim off at white space or '#' chars */
- tp = strchr(lineBuffer, ' ');
- if (tp) *tp = 0;
- tp = strchr(lineBuffer, '\t');
- if (tp) *tp = 0;
- tp = strchr(lineBuffer, '#');
- if (tp) *tp = 0;
+ if (inRightCell) {
+ fclose(tfilep);
+ fclose(bestp);
+ return(foundCell ? 0 : -6);
+ }
+
+ /*
+ * terminate the cellname at the first white space
+ * leaving 'tp' pointing to the next string if any
+ */
+ for (tp = &lineBuffer[1]; tp && !isspace(*tp); tp++);
+ if (tp) {
+ *tp = '\0';
+ for (tp++ ;tp && isspace(*tp); tp++);
+ if (*tp != '#') {
+ linkp = tp;
+ for (; tp && !isspace(*tp); tp++);
+ if (tp)
+ *tp = '\0';
+ }
+ }
/* now see if this is the right cell */
if (stricmp(lineBuffer+1, cellNamep) == 0) {
/* found the cell we're looking for */
- if (newCellNamep)
- strcpy(newCellNamep, lineBuffer+1);
+ if (newCellNamep) {
+ if (FAILED(StringCchCopy(newCellNamep, CELL_MAXNAMELEN, lineBuffer+1))) {
+ fclose(tfilep);
+ fclose(bestp);
+ return(-1);
+ }
+ strlwr(newCellNamep);
+ }
+ if (linkedNamep) {
+ if (FAILED(StringCchCopy(linkedNamep, CELL_MAXNAMELEN, linkp ? linkp : ""))) {
+ fclose(tfilep);
+ fclose(bestp);
+ return(-1);
+ }
+ strlwr(linkedNamep);
+ }
inRightCell = 1;
tracking = 0;
-#ifdef CELLSERV_DEBUG
+#ifdef CELLSERV_DEBUG
osi_Log2(afsd_logp, "cm_searchfile is cell inRightCell[%p], linebuffer[%s]",
inRightCell, osi_LogSaveString(afsd_logp,lineBuffer));
#endif
}
- else if (strnicmp(lineBuffer+1, cellNamep,
- strlen(cellNamep)) == 0) {
+ else if (cm_stricmp_utf8(lineBuffer+1, cellNamep) == 0) {
/* partial match */
if (partial) { /* ambiguous */
fclose(tfilep);
fclose(bestp);
return -5;
}
- if (newCellNamep)
- strcpy(newCellNamep, lineBuffer+1);
+ if (newCellNamep) {
+ if (FAILED(StringCchCopy(newCellNamep, CELL_MAXNAMELEN, lineBuffer+1))) {
+ fclose(tfilep);
+ fclose(bestp);
+ return(-1);
+ }
+ strlwr(newCellNamep);
+ }
+ if (linkedNamep) {
+ if (FAILED(StringCchCopy(linkedNamep, CELL_MAXNAMELEN, linkp ? linkp : ""))) {
+ fclose(tfilep);
+ fclose(bestp);
+ return(-1);
+ }
+ strlwr(linkedNamep);
+ }
inRightCell = 0;
tracking = 0;
partial = 1;
valuep++; /* skip the "#" */
valuep += strspn(valuep, " \t"); /* skip SP & TAB */
- /* strip spaces and tabs in the end. They should not be there according to CellServDB format
- * so do this just in case
+ /*
+ * strip spaces and tabs in the end. They should not be there according to CellServDB format
+ * so do this just in case
*/
- while (valuep[strlen(valuep) - 1] == ' ' || valuep[strlen(valuep) - 1] == '\t')
- valuep[strlen(valuep) - 1] = '\0';
+ if(FAILED(StringCchLength(valuep, sizeof(lineBuffer), &len))) {
+ fclose(tfilep);
+ fclose(bestp);
+ return(-1);
+ } else {
+ len--;
+ while(isspace(valuep[len]))
+ valuep[len--] = '\0';
+ while(isspace(*valuep))
+ valuep++;
+ }
if (inRightCell) {
+ char hostname[256];
+ int i, isClone = 0;
+
+ isClone = (lineBuffer[0] == '[');
+
+ /* copy just the first word and ignore trailing white space */
+ for ( i=0; valuep[i] && !isspace(valuep[i]) && i<sizeof(hostname); i++)
+ hostname[i] = valuep[i];
+ hostname[i] = '\0';
+
/* add the server to the VLDB list */
WSASetLastError(0);
- thp = gethostbyname(valuep);
+ thp = gethostbyname(hostname);
#ifdef CELLSERV_DEBUG
osi_Log3(afsd_logp,"cm_searchfile inRightCell thp[%p], valuep[%s], WSAGetLastError[%d]",
- thp, osi_LogSaveString(afsd_logp,valuep), WSAGetLastError());
+ thp, osi_LogSaveString(afsd_logp,hostname), WSAGetLastError());
#endif
if (thp) {
- memcpy(&vlSockAddr.sin_addr.s_addr, thp->h_addr,
- sizeof(long));
- vlSockAddr.sin_family = AF_INET;
- /* sin_port supplied by connection code */
- if (procp)
- (*procp)(rockp, &vlSockAddr, valuep);
- foundCell = 1;
+ int foundAddr = 0;
+ for (i=0 ; thp->h_addr_list[i]; i++) {
+ if (thp->h_addrtype != AF_INET)
+ continue;
+ memcpy(&vlSockAddr.sin_addr.s_addr, thp->h_addr_list[i],
+ sizeof(long));
+ vlSockAddr.sin_port = htons(7003);
+ vlSockAddr.sin_family = AF_INET;
+ /* sin_port supplied by connection code */
+ if (procp)
+ (*procp)(rockp, &vlSockAddr, hostname, 0);
+ foundAddr = 1;
+ }
+ /* if we didn't find a valid address, force the use of the specified one */
+ if (!foundAddr)
+ thp = NULL;
}
if (!thp) {
- long ip_addr;
- int c1, c2, c3, c4;
- char aname[241] = "";
-
- /* Since there is no gethostbyname() data
+ afs_uint32 ip_addr;
+ unsigned int c1, c2, c3, c4;
+
+ /* Since there is no gethostbyname() data
* available we will read the IP address
* stored in the CellServDB file
*/
- code = sscanf(lineBuffer, "%d.%d.%d.%d #%s",
- &c1, &c2, &c3, &c4, aname);
- tp = (char *) &ip_addr;
- *tp++ = c1;
- *tp++ = c2;
- *tp++ = c3;
- *tp++ = c4;
- memcpy(&vlSockAddr.sin_addr.s_addr, &ip_addr,
- sizeof(long));
- vlSockAddr.sin_family = AF_INET;
- /* sin_port supplied by connection code */
- if (procp)
- (*procp)(rockp, &vlSockAddr, valuep);
- foundCell = 1;
+ if (isClone)
+ code = sscanf(lineBuffer, "[%u.%u.%u.%u]",
+ &c1, &c2, &c3, &c4);
+ else
+ code = sscanf(lineBuffer, " %u.%u.%u.%u",
+ &c1, &c2, &c3, &c4);
+ if (code == 4 && c1<256 && c2<256 && c3<256 && c4<256) {
+ tp = (unsigned char *) &ip_addr;
+ *tp++ = c1;
+ *tp++ = c2;
+ *tp++ = c3;
+ *tp++ = c4;
+ memcpy(&vlSockAddr.sin_addr.s_addr, &ip_addr,
+ sizeof(long));
+ vlSockAddr.sin_port = htons(7003);
+ vlSockAddr.sin_family = AF_INET;
+ /* sin_port supplied by connection code */
+ if (procp)
+ (*procp)(rockp, &vlSockAddr, hostname, 0);
+ }
}
+ foundCell = 1;
}
} /* a vldb line */
} /* while loop processing all lines */
return (foundCell) ? 0 : -11;
}
+long
+cm_EnumerateCellFile(afs_uint32 client, cm_enumCellProc_t *procp, void *rockp)
+{
+ char wdir[MAX_PATH]="";
+ FILE *tfilep = NULL;
+ char *tp;
+ char lineBuffer[257];
+
+ if (!procp)
+ return 0;
+
+ cm_GetCellServDB(wdir, sizeof(wdir));
+ if (*wdir)
+ tfilep = fopen(wdir, "r");
+
+ if (!tfilep)
+ return -2;
+
+#ifdef CELLSERV_DEBUG
+ osi_Log2(afsd_logp,"cm_enumfile fopen handle[%p], wdir[%s]", tfilep,
+ osi_LogSaveString(afsd_logp,wdir));
+#endif
+ while (1) {
+ tp = fgets(lineBuffer, sizeof(lineBuffer), tfilep);
+ if (tp == NULL && feof(tfilep)) {
+ /* hit EOF */
+ fclose(tfilep);
+ return (0);
+ }
+
+ /* turn trailing cr or lf into null */
+ tp = strrchr(lineBuffer, '\r');
+ if (tp) *tp = 0;
+ tp = strrchr(lineBuffer, '\n');
+ if (tp) *tp = 0;
+
+ /* skip blank lines */
+ if (lineBuffer[0] == 0)
+ continue;
+
+ /*
+ * The format is:
+ * >[cell] [linked-cell] #[Description]
+ * where linked-cell and Description are optional
+ * but we are only going to use the initial cell name
+ */
+ if (lineBuffer[0] == '>') {
+ /*
+ * terminate the cellname at the first white space
+ * leaving 'tp' pointing to the next string if any
+ */
+ for (tp = &lineBuffer[1]; tp && !isspace(*tp); tp++);
+ if (tp)
+ *tp = '\0';
+
+ /* Now process the cell */
+ (*procp)(rockp, &lineBuffer[1]);
+ }
+ } /* while loop processing all lines */
+
+ return 0;
+}
+
+/*
+ * The CellServDB registry schema is as follows:
+ *
+ * HKLM\SOFTWARE\OpenAFS\Client\CellServDB\[cellname]\
+ * "LinkedCell" REG_SZ "[cellname]"
+ * "Description" REG_SZ "[comment]"
+ * "ForceDNS" DWORD {0,1}
+ *
+ * HKLM\SOFTWARE\OpenAFS\Client\CellServDB\[cellname]\[servername]\
+ * "HostName" REG_SZ "[hostname]"
+ * "IPv4Address" REG_SZ "[address]"
+ * "IPv6Address" REG_SZ "[address]" <future>
+ * "Comment" REG_SZ "[comment]"
+ * "Rank" DWORD "0..65535"
+ * "Clone" DWORD "{0,1}"
+ * "vlserver" DWORD "7003" <future>
+ * "ptserver" DWORD "7002" <future>
+ *
+ * ForceDNS is implied non-zero if there are no [servername]
+ * keys under the [cellname] key. Otherwise, ForceDNS is zero.
+ * If [servername] keys are specified and none of them evaluate
+ * to a valid server configuration, the return code is success.
+ * This prevents failover to the CellServDB file or DNS.
+ */
+long cm_SearchCellRegistry(afs_uint32 client,
+ char *cellNamep, char *newCellNamep,
+ char *linkedNamep,
+ cm_configProc_t *procp, void *rockp)
+{
+ HKEY hkCellServDB = 0, hkCellName = 0, hkServerName = 0;
+ DWORD dwType, dwSize;
+ DWORD dwCells, dwServers, dwForceDNS;
+ DWORD dwIndex, dwRank, dwPort;
+ unsigned short adminRank;
+ unsigned short vlPort;
+ LONG code;
+ FILETIME ftLastWriteTime;
+ char szCellName[CELL_MAXNAMELEN];
+ char szServerName[MAXHOSTCHARS];
+ char szHostName[MAXHOSTCHARS];
+ char szAddr[64];
+ struct hostent *thp;
+ struct sockaddr_in vlSockAddr;
+ char * s;
+ size_t len;
+
+ if ( IsWindowsModule(cellNamep) )
+ return -1;
+
+ /* No Server CellServDB list (yet) */
+ if ( !client )
+ return CM_ERROR_NOSUCHCELL;
+
+ if (RegOpenKeyEx( HKEY_LOCAL_MACHINE,
+ AFSREG_CLT_OPENAFS_SUBKEY "\\CellServDB",
+ 0,
+ KEY_READ|KEY_QUERY_VALUE,
+ &hkCellServDB) != ERROR_SUCCESS)
+ return CM_ERROR_NOSUCHCELL;
+
+ if (RegOpenKeyEx( hkCellServDB,
+ cellNamep,
+ 0,
+ KEY_READ|KEY_QUERY_VALUE,
+ &hkCellName) != ERROR_SUCCESS) {
+ BOOL bFound = 0;
+
+ /* We did not find an exact match. Much search for partial matches. */
+
+ code = RegQueryInfoKey( hkCellServDB,
+ NULL, /* lpClass */
+ NULL, /* lpcClass */
+ NULL, /* lpReserved */
+ &dwCells, /* lpcSubKeys */
+ NULL, /* lpcMaxSubKeyLen */
+ NULL, /* lpcMaxClassLen */
+ NULL, /* lpcValues */
+ NULL, /* lpcMaxValueNameLen */
+ NULL, /* lpcMaxValueLen */
+ NULL, /* lpcbSecurityDescriptor */
+ &ftLastWriteTime /* lpftLastWriteTime */
+ );
+ if (code != ERROR_SUCCESS)
+ dwCells = 0;
+
+ /*
+ * We search the entire list to ensure that there is only
+ * one prefix match. If there is more than one, we return none.
+ */
+ for ( dwIndex = 0; dwIndex < dwCells; dwIndex++ ) {
+ dwSize = CELL_MAXNAMELEN;
+ code = RegEnumKeyEx( hkCellServDB, dwIndex, szCellName, &dwSize, NULL,
+ NULL, NULL, &ftLastWriteTime);
+ if (code != ERROR_SUCCESS)
+ continue;
+ szCellName[CELL_MAXNAMELEN-1] = '\0';
+ strlwr(szCellName);
+
+ /* if not a prefix match, try the next key */
+ if (FAILED(StringCchLength(cellNamep, CELL_MAXNAMELEN, &len)))
+ continue;
+
+ if (strncmp(cellNamep, szCellName, len))
+ continue;
+
+ /* If we have a prefix match and we already found another
+ * match, return neither */
+ if (hkCellName) {
+ bFound = 0;
+ RegCloseKey( hkCellName);
+ break;
+ }
+
+ if (RegOpenKeyEx( hkCellServDB,
+ szCellName,
+ 0,
+ KEY_READ|KEY_QUERY_VALUE,
+ &hkCellName) != ERROR_SUCCESS)
+ continue;
+
+ if (newCellNamep) {
+ if (FAILED(StringCchCopy(newCellNamep, CELL_MAXNAMELEN, cellNamep)))
+ goto done;
+ }
+ bFound = 1;
+ }
+
+ if ( !bFound ) {
+ RegCloseKey(hkCellServDB);
+ return CM_ERROR_NOSUCHCELL;
+ }
+ } else if (newCellNamep) {
+ strncpy(newCellNamep, cellNamep, CELL_MAXNAMELEN);
+ newCellNamep[CELL_MAXNAMELEN-1] = '\0';
+ strlwr(newCellNamep);
+ }
+
+ if (linkedNamep) {
+ dwSize = CELL_MAXNAMELEN;
+ code = RegQueryValueEx(hkCellName, "LinkedCell", NULL, &dwType,
+ (BYTE *) linkedNamep, &dwSize);
+ if (code == ERROR_SUCCESS && dwType == REG_SZ) {
+ linkedNamep[CELL_MAXNAMELEN-1] = '\0';
+ strlwr(linkedNamep);
+ } else {
+ linkedNamep[0] = '\0';
+ }
+ }
+
+ /* Check to see if DNS lookups are required */
+ dwSize = sizeof(DWORD);
+ code = RegQueryValueEx(hkCellName, "ForceDNS", NULL, &dwType,
+ (BYTE *) &dwForceDNS, &dwSize);
+ if (code == ERROR_SUCCESS && dwType == REG_DWORD) {
+ if (dwForceDNS)
+ goto done;
+ } else {
+ dwForceDNS = 0;
+ }
+
+ /*
+ * Using the defined server list. Enumerate and populate
+ * the server list for the cell.
+ */
+ code = RegQueryInfoKey( hkCellName,
+ NULL, /* lpClass */
+ NULL, /* lpcClass */
+ NULL, /* lpReserved */
+ &dwServers, /* lpcSubKeys */
+ NULL, /* lpcMaxSubKeyLen */
+ NULL, /* lpcMaxClassLen */
+ NULL, /* lpcValues */
+ NULL, /* lpcMaxValueNameLen */
+ NULL, /* lpcMaxValueLen */
+ NULL, /* lpcbSecurityDescriptor */
+ &ftLastWriteTime /* lpftLastWriteTime */
+ );
+ if (code != ERROR_SUCCESS)
+ dwServers = 0;
+
+ for ( dwIndex = 0; dwIndex < dwServers; dwIndex++ ) {
+ dwSize = MAXHOSTCHARS;
+ code = RegEnumKeyEx( hkCellName, dwIndex, szServerName, &dwSize, NULL,
+ NULL, NULL, &ftLastWriteTime);
+ if (code != ERROR_SUCCESS)
+ continue;
+
+ szServerName[MAXHOSTCHARS-1] = '\0';
+ if (RegOpenKeyEx( hkCellName,
+ szServerName,
+ 0,
+ KEY_READ|KEY_QUERY_VALUE,
+ &hkServerName) != ERROR_SUCCESS)
+ continue;
+
+ /* We have a handle to a valid server key. Now we need
+ * to add the server to the cell */
+
+ /* First, see if there is an alternate hostname specified */
+ dwSize = MAXHOSTCHARS;
+ code = RegQueryValueEx(hkServerName, "HostName", NULL, &dwType,
+ (BYTE *) szHostName, &dwSize);
+ if (code == ERROR_SUCCESS && dwType == REG_SZ) {
+ szHostName[MAXHOSTCHARS-1] = '\0';
+ strlwr(szHostName);
+ s = szHostName;
+ } else {
+ s = szServerName;
+ }
+
+ dwSize = sizeof(DWORD);
+ code = RegQueryValueEx(hkServerName, "Rank", NULL, &dwType,
+ (BYTE *) &dwRank, &dwSize);
+ if (code == ERROR_SUCCESS && dwType == REG_DWORD) {
+ adminRank = (unsigned short)(dwRank <= 65535 ? dwRank : 65535);
+ } else {
+ adminRank = 0;
+ }
+
+ dwSize = sizeof(szAddr);
+ code = RegQueryValueEx(hkServerName, "IPv4Address", NULL, &dwType,
+ (BYTE *) szAddr, &dwSize);
+ if (code == ERROR_SUCCESS && dwType == REG_SZ) {
+ szAddr[63] = '\0';
+ } else {
+ szAddr[0] = '\0';
+ }
+
+ dwSize = sizeof(DWORD);
+ code = RegQueryValueEx(hkServerName, "vlserver", NULL, &dwType,
+ (BYTE *) &dwPort, &dwSize);
+ if (code == ERROR_SUCCESS && dwType == REG_DWORD) {
+ vlPort = htons((unsigned short)dwPort);
+ } else {
+ vlPort = htons(7003);
+ }
+
+ WSASetLastError(0);
+ thp = gethostbyname(s);
+ if (thp) {
+ memcpy(&vlSockAddr.sin_addr.s_addr, thp->h_addr, sizeof(long));
+ vlSockAddr.sin_port = htons(7003);
+ vlSockAddr.sin_family = AF_INET;
+ /* sin_port supplied by connection code */
+ if (procp)
+ (*procp)(rockp, &vlSockAddr, s, adminRank);
+ } else if (szAddr[0]) {
+ afs_uint32 ip_addr;
+ unsigned int c1, c2, c3, c4;
+
+ /* Since there is no gethostbyname() data
+ * available we will read the IP address
+ * stored in the CellServDB file
+ */
+ code = sscanf(szAddr, " %u.%u.%u.%u",
+ &c1, &c2, &c3, &c4);
+ if (code == 4 && c1<256 && c2<256 && c3<256 && c4<256) {
+ unsigned char * tp = (unsigned char *) &ip_addr;
+ *tp++ = c1;
+ *tp++ = c2;
+ *tp++ = c3;
+ *tp++ = c4;
+ memcpy(&vlSockAddr.sin_addr.s_addr, &ip_addr,
+ sizeof(long));
+ vlSockAddr.sin_port = vlPort;
+ vlSockAddr.sin_family = AF_INET;
+ /* sin_port supplied by connection code */
+ if (procp)
+ (*procp)(rockp, &vlSockAddr, s, adminRank);
+ }
+ }
+
+ RegCloseKey( hkServerName);
+ }
+
+ done:
+ RegCloseKey(hkCellName);
+ RegCloseKey(hkCellServDB);
+
+ return ((dwForceDNS || dwServers == 0) ? CM_ERROR_FORCE_DNS_LOOKUP : 0);
+}
+
+/*
+ * Following the registry schema listed above, cm_AddCellToRegistry
+ * will either create or update the registry configuration data for
+ * the specified cellname.
+ */
+long cm_AddCellToRegistry( char * cellname,
+ char * linked_cellname,
+ unsigned short vlport,
+ afs_uint32 host_count,
+ char *hostname[],
+ afs_uint32 flags)
+{
+ HKEY hkCellServDB = 0, hkCellName = 0, hkServerName = 0;
+ DWORD dwPort, dwDisposition;
+ long code;
+ unsigned int i;
+
+ if (RegCreateKeyEx( HKEY_LOCAL_MACHINE,
+ AFSREG_CLT_OPENAFS_SUBKEY "\\CellServDB",
+ 0,
+ NULL,
+ REG_OPTION_NON_VOLATILE,
+ KEY_READ|KEY_WRITE|KEY_QUERY_VALUE,
+ NULL,
+ &hkCellServDB,
+ &dwDisposition) != ERROR_SUCCESS) {
+ code = CM_ERROR_NOACCESS;
+ goto done;
+ }
+
+ /* Perform a recursive deletion of the cellname key */
+ SHDeleteKey( hkCellServDB, cellname);
+
+ if (RegCreateKeyEx( hkCellServDB,
+ cellname,
+ 0,
+ NULL,
+ REG_OPTION_NON_VOLATILE,
+ KEY_READ|KEY_WRITE|KEY_QUERY_VALUE,
+ NULL,
+ &hkCellName,
+ &dwDisposition) != ERROR_SUCCESS ||
+ (dwDisposition == REG_OPENED_EXISTING_KEY) ) {
+ code = CM_ERROR_NOACCESS;
+ goto done;
+ }
+
+ /* If we get here, hkCellName is a handle to an empty key */
+
+ if (linked_cellname && linked_cellname[0]) {
+ code = RegSetValueEx( hkCellName, "LinkedCell",
+ 0, REG_SZ,
+ (BYTE *) linked_cellname, CELL_MAXNAMELEN);
+ }
+
+ if (flags & CM_CELLFLAG_DNS) {
+ DWORD dwForceDNS = 1;
+ code = RegSetValueEx( hkCellName, "ForceDNS",
+ 0, REG_DWORD,
+ (BYTE *) &dwForceDNS, sizeof(DWORD));
+ }
+
+ for ( i = 0; i < host_count; i++ ) {
+ if (RegCreateKeyEx( hkCellName,
+ hostname[i],
+ 0,
+ NULL,
+ REG_OPTION_NON_VOLATILE,
+ KEY_READ|KEY_WRITE|KEY_QUERY_VALUE,
+ NULL,
+ &hkServerName,
+ &dwDisposition) != ERROR_SUCCESS ||
+ (dwDisposition == REG_OPENED_EXISTING_KEY)) {
+ code = CM_ERROR_NOACCESS;
+ goto done;
+ }
+
+ /* We have a handle to a valid server key. Now we need
+ * to add the server to the cell */
+
+ /* First, see if there is an alternate hostname specified */
+ code = RegSetValueEx( hkServerName, "HostName",
+ 0, REG_SZ,
+ (BYTE *) hostname[i], (DWORD)strlen(hostname[i]) + 1);
+
+ if (vlport) {
+ dwPort = vlport;
+ code = RegSetValueEx( hkServerName, "vlserver",
+ 0, REG_DWORD,
+ (BYTE *) &dwPort, (DWORD)sizeof(DWORD));
+ }
+ RegCloseKey( hkServerName);
+ hkServerName = 0;
+ }
+
+ done:
+ if (hkServerName)
+ RegCloseKey(hkServerName);
+ if (hkCellName)
+ RegCloseKey(hkCellName);
+ if (hkCellServDB)
+ RegCloseKey(hkCellServDB);
+
+ return code;
+}
+
+long cm_EnumerateCellRegistry(afs_uint32 client, cm_enumCellProc_t *procp, void *rockp)
+{
+ HKEY hkCellServDB = 0;
+ DWORD dwSize;
+ DWORD dwCells;
+ DWORD dwIndex;
+ LONG code;
+ FILETIME ftLastWriteTime;
+ char szCellName[CELL_MAXNAMELEN];
+ char * subkey = AFSREG_CLT_OPENAFS_SUBKEY "\\CellServDB";
+
+ /* No server CellServDB in the registry. */
+ if (!client || procp == NULL)
+ return 0;
+
+ if (RegOpenKeyEx( HKEY_LOCAL_MACHINE,
+ subkey,
+ 0,
+ KEY_READ|KEY_QUERY_VALUE,
+ &hkCellServDB) != ERROR_SUCCESS)
+ return 0;
+
+ code = RegQueryInfoKey( hkCellServDB,
+ NULL, /* lpClass */
+ NULL, /* lpcClass */
+ NULL, /* lpReserved */
+ &dwCells, /* lpcSubKeys */
+ NULL, /* lpcMaxSubKeyLen */
+ NULL, /* lpcMaxClassLen */
+ NULL, /* lpcValues */
+ NULL, /* lpcMaxValueNameLen */
+ NULL, /* lpcMaxValueLen */
+ NULL, /* lpcbSecurityDescriptor */
+ &ftLastWriteTime /* lpftLastWriteTime */
+ );
+ if (code != ERROR_SUCCESS)
+ dwCells = 0;
+
+ /*
+ * Enumerate each Cell and
+ */
+ for ( dwIndex = 0; dwIndex < dwCells; dwIndex++ ) {
+ dwSize = CELL_MAXNAMELEN;
+ code = RegEnumKeyEx( hkCellServDB, dwIndex, szCellName, &dwSize, NULL,
+ NULL, NULL, &ftLastWriteTime);
+ if (code != ERROR_SUCCESS)
+ continue;
+ szCellName[CELL_MAXNAMELEN-1] = '\0';
+ strlwr(szCellName);
+
+ (*procp)(rockp, szCellName);
+ }
+
+ RegCloseKey(hkCellServDB);
+ return 0;
+}
+
+/* newCellNamep is required to be CELL_MAXNAMELEN in size */
long cm_SearchCellByDNS(char *cellNamep, char *newCellNamep, int *ttl,
- cm_configProc_t *procp, void *rockp)
+ cm_configProc_t *procp, void *rockp)
{
-#ifdef AFS_AFSDB_ENV
int rc;
int cellHostAddrs[AFSMAXCELLHOSTS];
char cellHostNames[AFSMAXCELLHOSTS][MAXHOSTCHARS];
+ unsigned short adminRanks[AFSMAXCELLHOSTS];
+ unsigned short ports[AFSMAXCELLHOSTS]; /* network byte order */
int numServers;
int i;
struct sockaddr_in vlSockAddr;
+
#ifdef CELLSERV_DEBUG
osi_Log1(afsd_logp,"SearchCellDNS-Doing search for [%s]", osi_LogSaveString(afsd_logp,cellNamep));
#endif
- if ( IsWindowsModule(cellNamep) )
+ /*
+ * Do not perform a DNS lookup if the name is
+ * either a well-known Windows DLL or directory,
+ * or if the name does not contain a top-level
+ * domain, or if the file prefix is the afs pioctl
+ * file name.
+ */
+ if ( IsWindowsModule(cellNamep) ||
+ cm_FsStrChr(cellNamep, '.') == NULL ||
+ strncasecmp(cellNamep, CM_IOCTL_FILENAME_NOSLASH, sizeof(CM_IOCTL_FILENAME_NOSLASH)-1) == 0)
return -1;
- rc = getAFSServer(cellNamep, cellHostAddrs, cellHostNames, &numServers, ttl);
+
+ rc = getAFSServer("afs3-vlserver", "udp", cellNamep, htons(7003),
+ cellHostAddrs, cellHostNames, ports, adminRanks, &numServers, ttl);
if (rc == 0 && numServers > 0) { /* found the cell */
- for (i = 0; i < numServers; i++) {
+ for (i = 0; i < numServers; i++) {
memcpy(&vlSockAddr.sin_addr.s_addr, &cellHostAddrs[i],
sizeof(long));
- vlSockAddr.sin_family = AF_INET;
- /* sin_port supplied by connection code */
- if (procp)
- (*procp)(rockp, &vlSockAddr, cellHostNames[i]);
- if(newCellNamep)
- strcpy(newCellNamep,cellNamep);
+ vlSockAddr.sin_port = ports[i];
+ vlSockAddr.sin_family = AF_INET;
+ if (procp)
+ (*procp)(rockp, &vlSockAddr, cellHostNames[i], adminRanks[i]);
+ }
+ if (newCellNamep) {
+ if(FAILED(StringCchCopy(newCellNamep, CELL_MAXNAMELEN, cellNamep)))
+ return -1;
+ strlwr(newCellNamep);
}
return 0; /* found cell */
}
else
return -1; /* not found */
-#else
- return -1; /* not found */
-#endif /* AFS_AFSDB_ENV */
}
-/* look up the CellServDBDir's name in the Registry
- * or use the Client Dirpath value to produce a CellServDB
- * filename
+/* use cm_GetConfigDir() plus AFS_CELLSERVDB to
+ * generate the fully qualified name of the CellServDB
+ * file.
*/
long cm_GetCellServDB(char *cellNamep, afs_uint32 len)
{
- int tlen;
-
+ size_t tlen;
+
cm_GetConfigDir(cellNamep, len);
/* add trailing backslash, if required */
- tlen = (int)strlen(cellNamep);
- if (cellNamep[tlen-1] != '\\') {
- strncat(cellNamep, "\\", len);
- cellNamep[len-1] = '\0';
+ if (FAILED(StringCchLength(cellNamep, len, &tlen)))
+ return(-1L);
+
+ if (tlen) {
+ if (cellNamep[tlen-1] != '\\') {
+ if (FAILED(StringCchCat(cellNamep, len, "\\")))
+ return(-1L);
+ }
+
+ if (FAILED(StringCchCat(cellNamep, len, AFS_CELLSERVDB)))
+ return(-1L);
}
-
- strncat(cellNamep, AFS_CELLSERVDB, len);
- cellNamep[len-1] = '\0';
return 0;
}
-/* look up the root cell's name in the Registry */
+/* look up the root cell's name in the Registry
+ * Input buffer must be at least CELL_MAXNAMELEN
+ * in size. (Defined in cm_cell.h)
+ */
long cm_GetRootCellName(char *cellNamep)
{
DWORD code, dummyLen;
if (code != ERROR_SUCCESS)
return -1;
- dummyLen = 256;
+ dummyLen = CELL_MAXNAMELEN;
code = RegQueryValueEx(parmKey, "Cell", NULL, NULL,
cellNamep, &dummyLen);
RegCloseKey (parmKey);
cm_configFile_t *cm_CommonOpen(char *namep, char *rwp)
{
- char wdir[256];
- FILE *tfilep;
+ char wdir[MAX_PATH]="";
+ FILE *tfilep = NULL;
cm_GetConfigDir(wdir, sizeof(wdir));
+ if (*wdir) {
+ if (FAILED(StringCchCat(wdir, MAX_PATH, namep)))
+ return NULL;
- strncat(wdir, namep, sizeof(wdir));
- wdir[sizeof(wdir)-1] = '\0';
-
- tfilep = fopen(wdir, rwp);
-
- return ((cm_configFile_t *) tfilep);
-}
+ tfilep = fopen(wdir, rwp);
+ }
+ return ((cm_configFile_t *) tfilep);
+}
long cm_WriteConfigString(char *labelp, char *valuep)
{
DWORD code, dummyDisp;
HKEY parmKey;
+ size_t len;
code = RegCreateKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY,
0, "container", 0, KEY_SET_VALUE, NULL,
if (code != ERROR_SUCCESS)
return -1;
- code = RegSetValueEx(parmKey, labelp, 0, REG_SZ,
- valuep, (DWORD)strlen(valuep) + 1);
+ if (FAILED(StringCchLength(valuep, CM_CONFIGDEFAULT_CELLS, &len)))
+ return -1;
+
+ code = RegSetValueEx(parmKey, labelp, 0, REG_SZ, valuep, (DWORD)(len + 1));
RegCloseKey (parmKey);
if (code != ERROR_SUCCESS)
- return (long)-1;
+ return -1;
- return (long)0;
+ return 0;
}
long cm_WriteConfigInt(char *labelp, long value)
int foundCell;
tfilep = cm_CommonOpen(AFS_CELLSERVDB, "r");
- if (!tfilep)
+ if (!tfilep)
return -1;
foundCell = 0;
if (tp) *tp = 0;
tp = strchr(lineBuffer, '\n');
if (tp) *tp = 0;
-
+
/* skip blank lines */
if (lineBuffer[0] == 0) {
fprintf((FILE *)ofp, "%s\n", lineBuffer);
}
} /* a vldb line */
} /* while loop processing all lines */
-}
+}
long cm_AppendNewCell(cm_configFile_t *filep, char *cellNamep)
{
long cm_CloseCellFile(cm_configFile_t *filep)
{
- char wdir[260];
- char sdir[260];
+ char wdir[MAX_PATH];
+ char sdir[MAX_PATH];
long code;
- long closeCode;
- closeCode = fclose((FILE *)filep);
+ long closeCode = fclose((FILE *)filep);
cm_GetConfigDir(wdir, sizeof(wdir));
- strcpy(sdir, wdir);
+ if (FAILED(StringCchCopy(sdir, sizeof(sdir), wdir)))
+ return -1;
if (closeCode != 0) {
/* something went wrong, preserve original database */
- strncat(wdir, AFS_CELLSERVDB ".new", sizeof(wdir));
- wdir[sizeof(wdir)-1] = '\0';
+ if (FAILED(StringCchCat(wdir, sizeof(wdir), AFS_CELLSERVDB ".new")))
+ return -1;
unlink(wdir);
return closeCode;
}
- strncat(wdir, AFS_CELLSERVDB, sizeof(wdir));
- wdir[sizeof(wdir)-1] = '\0';
- strncat(sdir, AFS_CELLSERVDB ".new", sizeof(sdir));/* new file */
- sdir[sizeof(sdir)-1] = '\0';
+ if (FAILED(StringCchCat(wdir, sizeof(wdir), AFS_CELLSERVDB)))
+ return -1;
+ if (FAILED(StringCchCat(sdir, sizeof(sdir), AFS_CELLSERVDB ".new"))) /* new file */
+ return -1;
unlink(sdir); /* delete old file */
code = rename(sdir, wdir); /* do the rename */
- if (code)
+ if (code)
code = errno;
return code;
-}
+}
void cm_GetConfigDir(char *dir, afs_uint32 len)
{
- char wdir[512];
- int tlen;
- char *afsconf_path;
- DWORD dwSize;
-
- dwSize = GetEnvironmentVariable("AFSCONF", NULL, 0);
- afsconf_path = malloc(dwSize);
- dwSize = GetEnvironmentVariable("AFSCONF", afsconf_path, dwSize);
- if (!afsconf_path) {
- DWORD code, dummyLen;
- HKEY parmKey;
-
- code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_OPENAFS_SUBKEY,
- 0, KEY_QUERY_VALUE, &parmKey);
- if (code != ERROR_SUCCESS)
- goto dirpath;
+ char * dirp = NULL;
- dummyLen = sizeof(wdir);
- code = RegQueryValueEx(parmKey, "CellServDBDir", NULL, NULL,
- wdir, &dummyLen);
- RegCloseKey (parmKey);
-
- dirpath:
- if (code != ERROR_SUCCESS || wdir[0] == 0) {
- strncpy(wdir, AFSDIR_CLIENT_ETC_DIRPATH, sizeof(wdir));
- wdir[sizeof(wdir)-1] = '\0';
- }
+ if (!afssw_GetClientCellServDBDir(&dirp)) {
+ if (FAILED(StringCchCopy(dir, len, dirp)))
+ return;
+ free(dirp);
} else {
- strncpy(wdir, afsconf_path, sizeof(wdir));
- wdir[sizeof(wdir)-1] = '\0';
- free(afsconf_path);
- }
-
- /* add trailing backslash, if required */
- tlen = (int)strlen(wdir);
- if (wdir[tlen-1] != '\\') {
- strncat(wdir, "\\", sizeof(wdir));
- wdir[sizeof(wdir)-1] = '\0';
+ dir[0] = '\0';
}
-
- strncpy(dir, wdir, len);
- dir[len-1] ='\0';
}
git://git.openafs.org / openafs.git / blobdiff