| [vhffs-dev] [663] Add vhffsfs (with a poor cache) |
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Revision: 663
Author: gradator
Date: 2007-07-05 11:23:50 +0000 (Thu, 05 Jul 2007)
Log Message:
-----------
Add vhffsfs (with a poor cache)
Added Paths:
-----------
trunk/vhffs-tools/src/md5.h
trunk/vhffs-tools/src/md5c.c
trunk/vhffs-tools/src/vhffsfs.c
trunk/vhffs-tools/src/vhffsfs_compil.sh
trunk/vhffs-tools/src/vhffsfs_run.sh
Added: trunk/vhffs-tools/src/md5.h
===================================================================
--- trunk/vhffs-tools/src/md5.h 2007-07-05 07:49:46 UTC (rev 662)
+++ trunk/vhffs-tools/src/md5.h 2007-07-05 11:23:50 UTC (rev 663)
@@ -0,0 +1,55 @@
+/* MD5.H - header file for MD5C.C
+ */
+
+/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+#ifndef MD5_H
+#define MD5_H 1
+
+#include <sys/types.h>
+#include <inttypes.h>
+#include <stdint.h>
+
+/* POINTER defines a generic pointer type */
+typedef unsigned char *POINTER;
+
+#ifndef HAVE_UINT32_T
+# if SIZEOF_INT == 4
+typedef unsigned int uint32_t;
+# elif SIZEOF_LONG == 4
+typedef unsigned long int uint32_t;
+# endif
+#endif
+
+/* MD5 context. */
+typedef struct {
+ uint32_t state[4]; /* state (ABCD) */
+ uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
+ unsigned char buffer[64]; /* input buffer */
+} MD5_CTX;
+
+void MD5Init (MD5_CTX *);
+void MD5Update (MD5_CTX *, unsigned char *, unsigned int);
+void MD5Final (unsigned char [16], MD5_CTX *);
+
+#endif
Added: trunk/vhffs-tools/src/md5c.c
===================================================================
--- trunk/vhffs-tools/src/md5c.c 2007-07-05 07:49:46 UTC (rev 662)
+++ trunk/vhffs-tools/src/md5c.c 2007-07-05 11:23:50 UTC (rev 663)
@@ -0,0 +1,330 @@
+/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
+ */
+
+/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+ */
+
+#include "md5.h"
+
+/* Constants for MD5Transform routine.
+ */
+
+#define S11 7
+#define S12 12
+#define S13 17
+#define S14 22
+#define S21 5
+#define S22 9
+#define S23 14
+#define S24 20
+#define S31 4
+#define S32 11
+#define S33 16
+#define S34 23
+#define S41 6
+#define S42 10
+#define S43 15
+#define S44 21
+
+static void MD5Transform (uint32_t [4], unsigned char [64]);
+static void Encode (unsigned char *, uint32_t *, unsigned int);
+static void Decode (uint32_t *, unsigned char *, unsigned int);
+static void MD5_memcpy (POINTER, POINTER, unsigned int);
+static void MD5_memset (POINTER, int, unsigned int);
+
+static unsigned char PADDING[64] = {
+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+/* F, G, H and I are basic MD5 functions.
+ */
+#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
+#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+#define I(x, y, z) ((y) ^ ((x) | (~z)))
+
+/* ROTATE_LEFT rotates x left n bits.
+ */
+#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+
+/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
+Rotation is separate from addition to prevent recomputation.
+ */
+#define FF(a, b, c, d, x, s, ac) { \
+ (a) += F ((b), (c), (d)) + (x) + (uint32_t)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define GG(a, b, c, d, x, s, ac) { \
+ (a) += G ((b), (c), (d)) + (x) + (uint32_t)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define HH(a, b, c, d, x, s, ac) { \
+ (a) += H ((b), (c), (d)) + (x) + (uint32_t)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+#define II(a, b, c, d, x, s, ac) { \
+ (a) += I ((b), (c), (d)) + (x) + (uint32_t)(ac); \
+ (a) = ROTATE_LEFT ((a), (s)); \
+ (a) += (b); \
+ }
+
+/* MD5 initialization. Begins an MD5 operation, writing a new context.
+ */
+void MD5Init (context)
+MD5_CTX *context; /* context */
+{
+ context->count[0] = context->count[1] = 0;
+ /* Load magic initialization constants.
+*/
+ context->state[0] = 0x67452301;
+ context->state[1] = 0xefcdab89;
+ context->state[2] = 0x98badcfe;
+ context->state[3] = 0x10325476;
+}
+
+/* MD5 block update operation. Continues an MD5 message-digest
+ operation, processing another message block, and updating the
+ context.
+ */
+void MD5Update (context, input, inputLen)
+MD5_CTX *context; /* context */
+unsigned char *input; /* input block */
+unsigned int inputLen; /* length of input block */
+{
+ unsigned int i, index, partLen;
+
+ /* Compute number of bytes mod 64 */
+ index = (unsigned int)((context->count[0] >> 3) & 0x3F);
+
+ /* Update number of bits */
+ if ((context->count[0] += ((uint32_t)inputLen << 3))
+ < ((uint32_t)inputLen << 3))
+ context->count[1]++;
+ context->count[1] += ((uint32_t)inputLen >> 29);
+
+ partLen = 64 - index;
+
+ /* Transform as many times as possible.
+*/
+ if (inputLen >= partLen) {
+ MD5_memcpy
+ ((POINTER)&context->buffer[index], (POINTER)input, partLen);
+ MD5Transform (context->state, context->buffer);
+
+ for (i = partLen; i + 63 < inputLen; i += 64)
+ MD5Transform (context->state, &input[i]);
+
+ index = 0;
+ }
+ else
+ i = 0;
+
+ /* Buffer remaining input */
+ MD5_memcpy
+ ((POINTER)&context->buffer[index], (POINTER)&input[i],
+ inputLen-i);
+}
+
+/* MD5 finalization. Ends an MD5 message-digest operation, writing the
+ the message digest and zeroizing the context.
+ */
+void MD5Final (digest, context)
+unsigned char digest[16]; /* message digest */
+MD5_CTX *context; /* context */
+{
+ unsigned char bits[8];
+ unsigned int index, padLen;
+
+ /* Save number of bits */
+ Encode (bits, context->count, 8);
+
+ /* Pad out to 56 mod 64.
+*/
+ index = (unsigned int)((context->count[0] >> 3) & 0x3f);
+ padLen = (index < 56) ? (56 - index) : (120 - index);
+ MD5Update (context, PADDING, padLen);
+
+ /* Append length (before padding) */
+ MD5Update (context, bits, 8);
+ /* Store state in digest */
+ Encode (digest, context->state, 16);
+
+ /* Zeroize sensitive information.
+*/
+ MD5_memset ((POINTER)context, 0, sizeof (*context));
+}
+
+/* MD5 basic transformation. Transforms state based on block.
+ */
+static void MD5Transform (state, block)
+uint32_t state[4];
+unsigned char block[64];
+{
+ uint32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16];
+
+ Decode (x, block, 64);
+
+ /* Round 1 */
+ FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
+ FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
+ FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
+ FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
+ FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
+ FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
+ FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
+ FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
+ FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
+ FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
+ FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
+ FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
+ FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
+ FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
+ FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
+ FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
+
+ /* Round 2 */
+ GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
+ GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
+ GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
+ GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
+ GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
+ GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
+ GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
+ GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
+ GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
+ GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
+ GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
+ GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
+ GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
+ GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
+ GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
+ GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
+
+ /* Round 3 */
+ HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
+ HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
+ HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
+ HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
+ HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
+ HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
+ HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
+ HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
+ HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
+ HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
+ HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
+ HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
+ HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
+ HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
+ HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
+ HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
+
+ /* Round 4 */
+ II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
+ II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
+ II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
+ II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
+ II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
+ II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
+ II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
+ II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
+ II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
+ II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
+ II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
+ II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
+ II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
+ II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
+ II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
+ II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
+
+ state[0] += a;
+ state[1] += b;
+ state[2] += c;
+ state[3] += d;
+
+ /* Zeroize sensitive information. */
+ MD5_memset ((POINTER)x, 0, sizeof (x));
+}
+
+/* Encodes input (uint32_t) into output (unsigned char). Assumes len is
+ a multiple of 4.
+ */
+static void Encode (output, input, len)
+unsigned char *output;
+uint32_t *input;
+unsigned int len;
+{
+ unsigned int i, j;
+
+ for (i = 0, j = 0; j < len; i++, j += 4) {
+ output[j] = (unsigned char)(input[i] & 0xff);
+ output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
+ output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
+ output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
+ }
+}
+
+/* Decodes input (unsigned char) into output (uint32_t). Assumes len is
+ a multiple of 4.
+ */
+static void Decode (output, input, len)
+uint32_t *output;
+unsigned char *input;
+unsigned int len;
+{
+ unsigned int i, j;
+
+ for (i = 0, j = 0; j < len; i++, j += 4)
+ output[i] = ((uint32_t)input[j]) | (((uint32_t)input[j+1]) << 8) |
+ (((uint32_t)input[j+2]) << 16) | (((uint32_t)input[j+3]) << 24);
+}
+
+/* Note: Replace "for loop" with standard memcpy if possible.
+ */
+
+static void MD5_memcpy (output, input, len)
+POINTER output;
+POINTER input;
+unsigned int len;
+{
+ unsigned int i;
+
+ for (i = 0; i < len; i++)
+ output[i] = input[i];
+}
+
+/* Note: Replace "for loop" with standard memset if possible.
+ */
+static void MD5_memset (output, value, len)
+POINTER output;
+int value;
+unsigned int len;
+{
+ unsigned int i;
+
+ for (i = 0; i < len; i++)
+ ((char *)output)[i] = (char)value;
+}
Added: trunk/vhffs-tools/src/vhffsfs.c
===================================================================
--- trunk/vhffs-tools/src/vhffsfs.c 2007-07-05 07:49:46 UTC (rev 662)
+++ trunk/vhffs-tools/src/vhffsfs.c 2007-07-05 11:23:50 UTC (rev 663)
@@ -0,0 +1,1311 @@
+/*
+ VHFFSFS: Virtual chroot for your users, using FUSE !
+ Copyright (C) 2007 Sylvain Rochet <gradator@xxxxxxxxxxxx>
+
+ This program can be distributed under the terms of the GNU GPL.
+ See the file COPYING.
+*/
+
+#define _GNU_SOURCE
+#define WITH_CACHE 1
+
+#include <fuse.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <time.h>
+#ifdef HAVE_SETXATTR
+#include <sys/xattr.h>
+#endif
+#include <pthread.h>
+#include <signal.h>
+#ifdef WITH_CACHE
+#include <glib.h>
+#endif
+#include <postgresql/libpq-fe.h>
+#include "md5.h"
+
+#define VHFFSFS_MAXCONNDB 5
+#define VHFFSFS_CONFIG "/etc/vhffsfs.conf"
+
+#ifdef WITH_CACHE
+#define VHFFSFS_CACHE_UID_HOMEDIR_TIMEOUT 3600
+#define VHFFSFS_CACHE_UID_GROUP_TIMEOUT 3600
+
+typedef struct {
+ gid_t gid;
+ char *groupname;
+ char *groupdir;
+ time_t arrival;
+} vhffsfs_cache_uid_group;
+
+typedef struct {
+ uid_t uid;
+ pthread_mutex_t uid_lock;
+ char *homedir;
+ time_t homedir_arrival;
+ GHashTable *groups;
+} vhffsfs_cache_uid;
+#endif
+
+struct vhffsfs {
+ pthread_mutex_t pg_lock[VHFFSFS_MAXCONNDB];
+ PGconn *pg_conn[VHFFSFS_MAXCONNDB];
+ char *grouppath;
+ char *webspath;
+ char *repositoriespath;
+ char *dbhost;
+ int dbport;
+ char *dbuser;
+ char *dbpass;
+ char *dbname;
+ int dbtimeout;
+ char *dbconninfo;
+ mode_t minimumrightfile;
+ mode_t minimumrightdir;
+#ifdef WITH_CACHE
+ GHashTable *cache;
+#endif
+};
+
+static struct vhffsfs vhffsfs;
+
+#ifdef WITH_CACHE
+time_t vhffsfs_cache_arrival() {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ return tv.tv_sec;
+}
+
+int vhffsfs_cache_timeout(time_t arrival, time_t timeout) {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ if(tv.tv_sec - arrival >= timeout) return 1;
+ return 0;
+}
+
+// return context cache entry
+vhffsfs_cache_uid *vhffsfs_cache_uid_context() {
+ uid_t uid = fuse_get_context()->uid;
+ vhffsfs_cache_uid *vc = g_hash_table_lookup(vhffsfs.cache, &uid);
+ if(!vc) {
+ vc = malloc(sizeof(vhffsfs_cache_uid));
+ memset(vc, 0, sizeof(vhffsfs_cache_uid));
+ vc->uid = uid;
+ vc->groups = g_hash_table_new(g_str_hash, g_str_equal);
+ pthread_mutex_init(&vc->uid_lock, NULL);
+ g_hash_table_insert(vhffsfs.cache, &vc->uid, vc);
+ }
+ return vc;
+}
+
+vhffsfs_cache_uid_group *vhffsfs_cache_uid_lookup_group(vhffsfs_cache_uid *vc, char *groupname) {
+ vhffsfs_cache_uid_group *vcg = g_hash_table_lookup(vc->groups, groupname);
+ if(vcg && vhffsfs_cache_timeout(vcg->arrival, VHFFSFS_CACHE_UID_GROUP_TIMEOUT)) {
+ g_hash_table_remove(vc->groups, vcg->groupname);
+ free(vcg->groupname);
+ if(vcg->groupdir) free(vcg->groupdir);
+ free(vcg);
+ return NULL;
+ }
+ return vcg;
+}
+
+vhffsfs_cache_uid_group *vhffsfs_cache_uid_fetch_group(vhffsfs_cache_uid *vc, char *groupname) {
+ vhffsfs_cache_uid_group *vcg = vhffsfs_cache_uid_lookup_group(vc, groupname);
+ if(vcg) return vcg;
+ vcg = malloc(sizeof(vhffsfs_cache_uid_group));
+ memset(vcg, 0, sizeof(vhffsfs_cache_uid_group));
+ vcg->groupname = strdup(groupname);
+ g_hash_table_insert(vc->groups, vcg->groupname, vcg);
+ return vcg;
+}
+
+static inline void vhffsfs_cache_uid_lock(vhffsfs_cache_uid *vc) {
+ pthread_mutex_lock(&vc->uid_lock);
+}
+
+static inline void vhffsfs_cache_uid_unlock(vhffsfs_cache_uid *vc) {
+ pthread_mutex_unlock(&vc->uid_lock);
+}
+#endif
+
+
+PGresult *vhffsfs_PGQuery(char *query) {
+
+ int i;
+ PGresult *res;
+
+ do {
+ for(i = 0 ; i < VHFFSFS_MAXCONNDB && pthread_mutex_trylock(&vhffsfs.pg_lock[i]) ; i++);
+ // all slots used, sleep for 100ms and try again
+ } while(i == VHFFSFS_MAXCONNDB && !usleep(100000));
+
+ // something very weird happened
+ if(i == VHFFSFS_MAXCONNDB) return NULL;
+
+ // wait until we are connected to the pgsql server
+ while(!vhffsfs.pg_conn[i] || PQstatus(vhffsfs.pg_conn[i]) != CONNECTION_OK) {
+ vhffsfs.pg_conn[i] = PQconnectdb(vhffsfs.dbconninfo);
+
+ if(PQstatus(vhffsfs.pg_conn[i]) != CONNECTION_OK) {
+ fprintf(stderr, "SLOT[%d]: Connection to database '%s' failed: %s\n", i, PQdb(vhffsfs.pg_conn[i]), PQerrorMessage(vhffsfs.pg_conn[i]));
+ PQfinish(vhffsfs.pg_conn[i]);
+ sleep(1);
+ }
+ else {
+ fprintf(stdout, "SLOT[%d]: Connected to database '%s'\n", i, PQdb(vhffsfs.pg_conn[i]));
+ }
+ }
+
+ res = PQexec(vhffsfs.pg_conn[i], query);
+ if(PQresultStatus(res) != PGRES_TUPLES_OK)
+ {
+ fprintf(stderr, "SLOT[%d]: QUERY: '%s' failed: %s\n", i, query, PQerrorMessage(vhffsfs.pg_conn[i]));
+ PQclear(res);
+ res=NULL;
+ }
+ else {
+ fprintf(stdout, "SLOT[%d]: QUERY: '%s'\n", i, query);
+ }
+
+ pthread_mutex_unlock(&vhffsfs.pg_lock[i]);
+ return res;
+}
+
+
+char *vhffsfs_gethomedir() {
+ char query[128];
+ PGresult *res;
+ char *homedir=NULL;
+
+#ifdef WITH_CACHE
+ // try to fetch homedir from cache
+ vhffsfs_cache_uid *vc = vhffsfs_cache_uid_context();
+ vhffsfs_cache_uid_lock(vc);
+ if(vc->homedir && !vhffsfs_cache_timeout(vc->homedir_arrival, VHFFSFS_CACHE_UID_HOMEDIR_TIMEOUT)) {
+ char *t = strdup(vc->homedir);
+ vhffsfs_cache_uid_unlock(vc);
+ return t;
+ }
+ vhffsfs_cache_uid_unlock(vc);
+#endif
+
+ snprintf(query, 128, "SELECT homedir FROM vhffs_users WHERE uid = %d", fuse_get_context()->uid);
+ res=vhffsfs_PGQuery(query);
+ if(!res) return NULL;
+
+ if(PQnfields(res) == 1 && PQntuples(res) == 1) {
+ homedir = strdup(PQgetvalue(res, 0, 0));
+#ifdef WITH_CACHE
+ // store homedir to cache
+ vhffsfs_cache_uid_lock(vc);
+ if(vc->homedir) free(vc->homedir);
+ vc->homedir = strdup(homedir);
+ vc->homedir_arrival = vhffsfs_cache_arrival();
+ vhffsfs_cache_uid_unlock(vc);
+#endif
+ }
+
+
+ PQclear(res);
+ return homedir;
+}
+
+
+char *vhffsfs_getgroupdir(char *group) {
+
+ char query[256];
+ PGresult *res;
+ char *groupname=NULL;
+ char *groupdir=NULL;
+ char *cur;
+ gid_t gid=0;
+
+ // check if group match ^[a-z0-9]+$ to prevent SQL injections
+ for(cur = group ; *cur ; cur++)
+ if(! ( (*cur >= 'a' && *cur <= 'z') || (*cur >= '0' && *cur <= '9') ) ) return NULL;
+
+#ifdef WITH_CACHE
+ // try to fetch groupdir from cache
+ vhffsfs_cache_uid *vc;
+ vhffsfs_cache_uid_group *vcg;
+
+ vc = vhffsfs_cache_uid_context();
+ vhffsfs_cache_uid_lock(vc);
+ vcg = vhffsfs_cache_uid_lookup_group(vc, group);
+ if(vcg) {
+ char *t=NULL;
+ if(vcg->groupdir) t = strdup(vcg->groupdir);
+ vhffsfs_cache_uid_unlock(vc);
+ return t;
+ }
+ vhffsfs_cache_uid_unlock(vc);
+#endif
+
+ snprintf(query, 256, "SELECT g.gid,g.groupname FROM vhffs_users u, vhffs_groups g, vhffs_user_group ug WHERE u.uid = %d AND g.groupname = '%s' AND u.uid = ug.uid AND g.gid = ug.gid", fuse_get_context()->uid, group);
+ res=vhffsfs_PGQuery(query);
+ if(!res) return NULL;
+
+ if(PQnfields(res) == 2 && PQntuples(res) == 1) {
+ gid = atoi(PQgetvalue(res, 0, 0));
+ groupname = PQgetvalue(res, 0, 1);
+ }
+
+ if(groupname) {
+ groupdir = malloc(strlen(vhffsfs.grouppath)+strlen(groupname)+6);
+ sprintf(groupdir, "%s/%c/%c/%s", vhffsfs.grouppath, groupname[0], groupname[1], groupname);
+ }
+
+#ifdef WITH_CACHE
+ // store groupdir to cache
+ vhffsfs_cache_uid_lock(vc);
+ vcg = vhffsfs_cache_uid_fetch_group(vc, group);
+ vcg->gid = gid;
+ if(vcg->groupdir) {
+ free(vcg->groupdir);
+ vcg->groupdir = NULL;
+ }
+ if(groupdir) vcg->groupdir = strdup(groupdir);
+ vcg->arrival = vhffsfs_cache_arrival();
+ vhffsfs_cache_uid_unlock(vc);
+#endif
+
+ PQclear(res);
+ return groupdir;
+}
+
+
+gid_t vhffsfs_getgroupgid(char *group) {
+
+ char query[256];
+ PGresult *res;
+ gid_t gid=0;
+ char *cur;
+
+#ifdef WITH_CACHE
+ // try to fetch grouppid from cache
+ vhffsfs_cache_uid *vc;
+ vhffsfs_cache_uid_group *vcg;
+
+ vc = vhffsfs_cache_uid_context();
+ vhffsfs_cache_uid_lock(vc);
+ vcg = vhffsfs_cache_uid_lookup_group(vc, group);
+ if(vcg && vcg->gid) {
+ gid = vcg->gid;
+ vhffsfs_cache_uid_unlock(vc);
+ return vcg->gid;
+ }
+ vhffsfs_cache_uid_unlock(vc);
+#endif
+
+ // check if group match ^[a-z0-9]+$ to prevent SQL injections
+ for(cur = group ; *cur ; cur++)
+ if(! ( (*cur >= 'a' && *cur <= 'z') || (*cur >= '0' && *cur <= '9') ) ) return 0;
+
+ snprintf(query, 256, "SELECT gid FROM vhffs_groups WHERE groupname = '%s'", group);
+ res=vhffsfs_PGQuery(query);
+ if(!res) return 0;
+
+ if(PQnfields(res) == 1 && PQntuples(res) == 1)
+ gid = atoi(PQgetvalue(res, 0, 0));
+
+ PQclear(res);
+ return gid;
+}
+
+
+char *vhffsfs_getwebdir(char *group, char *website) {
+
+ char query[256];
+ PGresult *res;
+ char *servername=NULL;
+ char *webdir=NULL;
+ char *cur;
+
+ // check if group match ^[a-z0-9]+$ to prevent SQL injections
+ for(cur = group ; *cur ; cur++)
+ if(! ( (*cur >= 'a' && *cur <= 'z') || (*cur >= '0' && *cur <= '9') ) ) return NULL;
+
+ // check if website match ^[a-z0-9\-\.]+$ to prevent SQL injections
+ for(cur = website ; *cur ; cur++)
+ if(! ( (*cur >= 'a' && *cur <= 'z') || (*cur >= '0' && *cur <= '9') || *cur == '-' || *cur == '.') ) return NULL;
+
+ snprintf(query, 256, "SELECT servername FROM vhffs_httpd WHERE owner_gid = (SELECT gid FROM vhffs_groups WHERE groupname = '%s') AND servername = '%s'", group, website);
+ res=vhffsfs_PGQuery(query);
+ if(!res) return NULL;
+
+ if(PQnfields(res) == 1 && PQntuples(res) == 1)
+ servername = PQgetvalue(res, 0, 0);
+
+ if(servername) {
+ MD5_CTX context;
+ unsigned char digest[16];
+
+ webdir = malloc(strlen(vhffsfs.webspath)+strlen(servername)+11);
+ MD5Init(&context);
+ MD5Update(&context, (unsigned char*)servername, strlen(servername));
+ MD5Final(digest, &context);
+ sprintf(webdir, "%s/%02x/%02x/%02x/%s", vhffsfs.webspath, digest[0], digest[1], digest[2], servername);
+ }
+
+ PQclear(res);
+ return webdir;
+}
+
+
+char *vhffsfs_getrepositorydir(char *group, char *name) {
+
+ char query[256];
+ PGresult *res;
+ char *reponame=NULL;
+ char *repodir=NULL;
+ char *cur;
+
+ // check if group match ^[a-z0-9]+$ to prevent SQL injections
+ for(cur = group ; *cur ; cur++)
+ if(! ( (*cur >= 'a' && *cur <= 'z') || (*cur >= '0' && *cur <= '9') ) ) return NULL;
+
+ // check if name match ^[a-z0-9]+$ to prevent SQL injections
+ for(cur = name ; *cur ; cur++)
+ if(! ( (*cur >= 'a' && *cur <= 'z') || (*cur >= '0' && *cur <= '9') ) ) return NULL;
+
+ snprintf(query, 256, "SELECT name FROM vhffs_repository WHERE owner_gid = (SELECT gid FROM vhffs_groups WHERE groupname = '%s') AND name = '%s'", group, name);
+ res=vhffsfs_PGQuery(query);
+ if(!res) return NULL;
+
+ if(PQnfields(res) == 1 && PQntuples(res) == 1)
+ reponame = PQgetvalue(res, 0, 0);
+
+ if(reponame) {
+ repodir = malloc(strlen(vhffsfs.repositoriespath)+strlen(reponame)+2);
+ sprintf(repodir, "%s/%s", vhffsfs.repositoriespath, reponame);
+ }
+
+ PQclear(res);
+ return repodir;
+}
+
+
+char **vhffsfs_getusergroups(uid_t uid) {
+
+ char query[256];
+ PGresult *res;
+ char **groups=NULL;
+
+ snprintf(query, 256, "SELECT g.groupname FROM vhffs_users u, vhffs_groups g, vhffs_user_group ug WHERE u.uid = %d AND u.uid = ug.uid AND g.gid = ug.gid", uid);
+ res=vhffsfs_PGQuery(query);
+ if(!res) return NULL;
+
+ if(PQnfields(res) == 1) {
+ int i, x;
+ groups = malloc((PQntuples(res)*2+1)*sizeof(char*));
+ *(groups+PQntuples(res)*2) = '\0';
+
+ for(i = x = 0 ; i < PQntuples(res) ; i++, x+=2) {
+ char *groupname = PQgetvalue(res, i, 0);
+ if(groupname) {
+ char *groupdir = malloc(strlen(vhffsfs.grouppath)+strlen(groupname)+6);
+ sprintf(groupdir, "%s/%c/%c/%s", vhffsfs.grouppath, groupname[0], groupname[1], groupname);
+ *(groups+x) = strdup(groupname);
+ *(groups+x+1) = groupdir;
+ }
+ }
+ }
+
+ PQclear(res);
+ return groups;
+}
+
+
+char **vhffsfs_getgroupservices(gid_t gid) {
+
+ char query[256];
+ PGresult *res1,*res2;
+ char **services=NULL;
+
+ // fetch websites
+ snprintf(query, 256, "SELECT servername FROM vhffs_httpd WHERE owner_gid = %d", gid);
+ res1=vhffsfs_PGQuery(query);
+ if(!res1) return NULL;
+
+ // fetch repositories
+ snprintf(query, 256, "SELECT name FROM vhffs_repository WHERE owner_gid = %d", gid);
+ res2=vhffsfs_PGQuery(query);
+ if(!res2) {
+ PQclear(res1);
+ return NULL;
+ }
+
+ if(PQnfields(res1) == 1 && PQnfields(res2) == 1) {
+ int i, x=0;
+ int nb = PQntuples(res1)+PQntuples(res2);
+
+ services = malloc((nb*2+1)*sizeof(char*) );
+ *(services+nb*2) = '\0';
+
+ // websites
+ for(i = 0 ; i < PQntuples(res1) ; i++, x+=2) {
+ char *servername = PQgetvalue(res1, i, 0);
+ if(servername) {
+ char *displayedname;
+ char *webdir;
+ MD5_CTX context;
+ unsigned char digest[16];
+
+ displayedname = malloc(strlen(servername)+5);
+ sprintf(displayedname, "%s-web", servername);
+
+ webdir = malloc(strlen(vhffsfs.webspath)+strlen(servername)+11);
+ MD5Init(&context);
+ MD5Update(&context, (unsigned char*)servername, strlen(servername));
+ MD5Final(digest, &context);
+ sprintf(webdir, "%s/%02x/%02x/%02x/%s", vhffsfs.webspath, digest[0], digest[1], digest[2], servername);
+
+ *(services+x) = displayedname;
+ *(services+x+1) = webdir;
+ }
+ }
+
+ // repositories
+ for(i = 0 ; i < PQntuples(res2) ; i++, x+=2) {
+ char *reponame = PQgetvalue(res2, i, 0);
+ if(reponame) {
+ char *displayedname;
+ char *repodir;
+
+ displayedname = malloc(strlen(reponame)+12);
+ sprintf(displayedname, "%s-repository", reponame);
+
+ repodir = malloc(strlen(vhffsfs.repositoriespath)+strlen(reponame)+2);
+ sprintf(repodir, "%s/%s", vhffsfs.repositoriespath, reponame);
+
+ *(services+x) = displayedname;
+ *(services+x+1) = repodir;
+ }
+ }
+ }
+
+ PQclear(res1);
+ PQclear(res2);
+ return services;
+}
+
+
+// return the real path
+char *vhffsfs_realpath(const char *path, uid_t *uid, gid_t *gid) {
+ char *begin, *cur;
+ char *first=NULL;
+ char *homedir;
+ char *rpath=NULL;
+
+ printf("======= PATH: %s\n", path);
+ printf("======= UID: %d\n", fuse_get_context()->uid);
+ printf("======= GID: %d\n", fuse_get_context()->gid);
+
+ // path empty
+ if(*(path+0) == '\0') return NULL;
+ // set uid and gid
+ if(uid) *uid = fuse_get_context()->uid;
+ if(gid) *gid = fuse_get_context()->gid;
+ // path relative
+ if(*(path+0) == '.') return strdup(path);
+ // fetch homedir
+ homedir = vhffsfs_gethomedir();
+ if(!homedir) return NULL;
+ // -- parse path
+ // / | home directory ----------------------------|
+ // /first | home file | group directory ---------------|
+ // /first/second | home file | group file | service directory |
+ // /first/second/third | home file | group file | service file -----|
+
+ // get first node
+ cur = (char*)path;
+ if(*cur++) {
+ for(begin = cur ; *cur && *cur != '/'; cur++);
+ if(cur != begin) first = strndup(begin, cur - begin);
+ }
+
+ // home directory
+ if(!first) rpath = strdup(homedir);
+
+ // FIRST EXIST BELOW
+
+ // so, try to fetch group directory
+ else {
+ char *groupdir = vhffsfs_getgroupdir(first);
+
+ // home file
+ if(!groupdir) {
+ rpath = malloc(strlen(homedir)+strlen(begin)+2);
+ sprintf(rpath, "%s/%s", homedir, begin);
+ }
+
+ else {
+ char *groupname = first;
+ char *second=NULL;
+
+ // set gid
+ if(gid) *gid = vhffsfs_getgroupgid(groupname);
+
+ // get second node
+ if(*cur++) {
+ for(begin = cur ; *cur && *cur != '/'; cur++);
+ if(cur != begin) second = strndup(begin, cur - begin);
+ }
+
+ // group directory
+ if(!second) rpath = strdup(groupdir);
+
+ // SECOND EXIST BELOW
+
+ // so, try to fetch service directory
+ else {
+ char *servicedir=NULL;
+ char *servicetype, *servicename;
+
+ // fetch servicetype and servicename
+ for(servicetype = servicename = second ; *servicetype ; servicetype++);
+ for(; servicetype > second && *servicetype != '-' ; servicetype--);
+ if(*servicetype == '-') *servicetype++ = '\0';
+
+ if(!strcmp(servicetype, "web")) {
+ servicedir = vhffsfs_getwebdir(groupname, servicename);
+ } else if(!strcmp(servicetype, "repository")) {
+ servicedir = vhffsfs_getrepositorydir(groupname, servicename);
+ }
+
+ // group file
+ if(!servicedir) {
+ rpath = malloc(strlen(groupdir)+strlen(begin)+2);
+ sprintf(rpath, "%s/%s", groupdir, begin);
+ }
+
+ else {
+ char *third=NULL;
+
+ // get third node
+ if(*cur++) third = strdup(cur);
+
+ // service directory
+ if(!third) rpath = strdup(servicedir);
+
+ // THIRD EXIST BELOW
+ else {
+ rpath = malloc(strlen(servicedir)+strlen(third)+2);
+ sprintf(rpath, "%s/%s", servicedir, third);
+
+ free(third);
+ }
+ free(servicedir);
+ }
+ free(second);
+ }
+ free(groupdir);
+ }
+ free(first);
+ }
+ free(homedir);
+
+ printf("======= RETURN: %s\n\n", rpath);
+ return rpath;
+}
+
+
+char **vhffsfs_virtualdirs(const char *path) {
+
+ char *groupname=NULL;
+ char **vdirs=NULL;
+
+ // path empty
+ if(*(path+0) == '\0') return NULL;
+ // get groupname
+ if(*(path+1) != '\0') groupname = (char*)path+1;
+
+ if(!groupname) vdirs = vhffsfs_getusergroups(fuse_get_context()->uid);
+
+ else {
+ gid_t gid = vhffsfs_getgroupgid(groupname);
+ if(gid > 0) vdirs = vhffsfs_getgroupservices(gid);
+ }
+
+ return vdirs;
+}
+
+
+static void *vhffsfs_init(void)
+{
+ return NULL;
+}
+
+
+static int vhffsfs_getattr(const char *path, struct stat *stbuf)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = lstat(rpath, stbuf);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ // force find -noleaf
+ stbuf->st_nlink = 1;
+ return 0;
+}
+
+
+static int vhffsfs_fgetattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi)
+{
+ int res;
+
+ (void) path;
+
+ res = fstat(fi->fh, stbuf);
+
+ if(res == -1) return -errno;
+ // force find -noleaf
+ stbuf->st_nlink = 1;
+ return 0;
+}
+
+
+static int vhffsfs_access(const char *path, int mask)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = access(rpath, mask);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_readlink(const char *path, char *buf, size_t size)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = readlink(rpath, buf, size - 1);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ buf[res] = '\0';
+ return 0;
+}
+
+
+static int vhffsfs_opendir(const char *path, struct fuse_file_info *fi)
+{
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ DIR *dp = opendir(rpath);
+ free(rpath);
+
+ if(dp == NULL) return -errno;
+ fi->fh = (unsigned long) dp;
+ return 0;
+}
+
+
+static inline DIR *get_dirp(struct fuse_file_info *fi)
+{
+ return (DIR *) (uintptr_t) fi->fh;
+}
+
+
+static int vhffsfs_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi)
+{
+ DIR *dp = get_dirp(fi);
+ struct dirent *de;
+ char **vdirs;
+
+ //(void) path;
+ seekdir(dp, offset);
+ while ((de = readdir(dp)) != NULL) {
+ struct stat st;
+ memset(&st, 0, sizeof(st));
+ st.st_ino = de->d_ino;
+ st.st_mode = de->d_type << 12;
+ if (filler(buf, de->d_name, &st, telldir(dp)))
+ break;
+ }
+
+ // add virtual directories
+ vdirs = vhffsfs_virtualdirs(path);
+ if(vdirs) {
+ char **cur;
+ for(cur = vdirs ; *cur ; cur+=2) {
+ char *vname = *cur;
+ char *vpath = *(cur+1);
+
+ struct stat st;
+ stat(vpath, &st);
+ filler(buf, vname, &st, 0);
+
+ free(vname);
+ free(vpath);
+ }
+ free(vdirs);
+ }
+
+ return 0;
+}
+
+
+static int vhffsfs_releasedir(const char *path, struct fuse_file_info *fi)
+{
+ DIR *dp = get_dirp(fi);
+ (void) path;
+ closedir(dp);
+ return 0;
+}
+
+
+static int vhffsfs_mknod(const char *path, mode_t mode, dev_t rdev)
+{
+/* -- DISABLED - user must not be allowed to create that !
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ if (S_ISFIFO(mode))
+ res = mkfifo(rpath, mode);
+ else
+ res = mknod(rpath, mode, rdev);
+
+ if(res == -1) return -errno;
+ return 0;
+*/
+ return -EACCES;
+}
+
+
+static int vhffsfs_mkdir(const char *path, mode_t mode)
+{
+ int res;
+ char *rpath;
+ uid_t uid;
+ gid_t gid;
+
+ rpath = vhffsfs_realpath(path, &uid, &gid);
+ if(!rpath) return -ENOENT;
+
+ res = mkdir(rpath, mode);
+ if(res == 0) {
+ struct stat st;
+ lchown(rpath, uid, gid);
+ stat(rpath, &st);
+ chmod(rpath, st.st_mode | vhffsfs.minimumrightdir);
+ }
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_unlink(const char *path)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = unlink(rpath);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_rmdir(const char *path)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = rmdir(rpath);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_symlink(const char *from, const char *to)
+{
+ int res;
+ char *rfrom, *rto;
+ uid_t uid;
+ gid_t gid;
+
+ rfrom = vhffsfs_realpath(from, NULL, NULL);
+ if(!rfrom) return -ENOENT;
+
+ rto = vhffsfs_realpath(to, &uid, &gid);
+ if(!rto) {
+ free(rfrom);
+ return -ENOENT;
+ }
+
+ res = symlink(rfrom, rto);
+ if(res == 0) lchown(rto, uid, gid);
+ free(rfrom);
+ free(rto);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_rename(const char *from, const char *to)
+{
+ int res;
+ char *rfrom, *rto;
+
+ rfrom = vhffsfs_realpath(from, NULL, NULL);
+ if(!rfrom) return -ENOENT;
+
+ rto = vhffsfs_realpath(to, NULL, NULL);
+ if(!rto) {
+ free(rfrom);
+ return -ENOENT;
+ }
+
+ res = rename(rfrom, rto);
+ free(rfrom);
+ free(rto);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_link(const char *from, const char *to)
+{
+/* -- DISABLED - user must not be allowed to create that !
+ int res;
+ char *rfrom, *rto;
+ uid_t uid;
+ gid_t gid;
+
+ rfrom = vhffsfs_realpath(from, NULL, NULL);
+ if(!rfrom) return -ENOENT;
+
+ rto = vhffsfs_realpath(to, NULL, NULL);
+ if(!rto) {
+ free(rfrom);
+ return -ENOENT;
+ }
+
+ res = link(rfrom, rto);
+ if(res == 0) lchown(rto, uid, gid);
+ free(rfrom);
+ free(rto);
+
+ if(res == -1) return -errno;
+ return 0;
+*/
+ return -EACCES;
+}
+
+
+static int vhffsfs_chmod(const char *path, mode_t mode)
+{
+ int res;
+ char *rpath;
+ struct stat st;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ stat(rpath, &st);
+ res = chmod(rpath, mode | (S_ISDIR(st.st_mode) ? vhffsfs.minimumrightdir : vhffsfs.minimumrightfile) );
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_chown(const char *path, uid_t uid, gid_t gid)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = lchown(rpath, uid, gid);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_truncate(const char *path, off_t size)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = truncate(rpath, size);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_ftruncate(const char *path, off_t size, struct fuse_file_info *fi)
+{
+ int res;
+ (void) path;
+
+ res = ftruncate(fi->fh, size);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_utime(const char *path, struct utimbuf *buf)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = utime(rpath, buf);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_create(const char *path, mode_t mode, struct fuse_file_info *fi)
+{
+ int fd;
+ char *rpath;
+ uid_t uid;
+ gid_t gid;
+
+ rpath = vhffsfs_realpath(path, &uid, &gid);
+ if(!rpath) return -ENOENT;
+
+ fd = open(rpath, fi->flags, mode);
+ if(fd >= 0) {
+ struct stat st;
+ lchown(rpath, uid, gid);
+ stat(rpath, &st);
+ chmod(rpath, st.st_mode | vhffsfs.minimumrightfile);
+ }
+ free(rpath);
+
+ if(fd == -1) return -errno;
+ fi->fh = fd;
+ return 0;
+}
+
+
+static int vhffsfs_open(const char *path, struct fuse_file_info *fi)
+{
+ int fd;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ fd = open(rpath, fi->flags);
+ free(rpath);
+
+ if(fd == -1) return -errno;
+ fi->fh = fd;
+ return 0;
+}
+
+
+static int vhffsfs_read(const char *path, char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
+{
+ int res;
+
+ (void) path;
+ res = pread(fi->fh, buf, size, offset);
+
+ if(res == -1) res = -errno;
+ return res;
+}
+
+
+static int vhffsfs_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi)
+{
+ int res;
+
+ (void) path;
+ res = pwrite(fi->fh, buf, size, offset);
+
+ if(res == -1) res = -errno;
+ return res;
+}
+
+
+static int vhffsfs_statfs(const char *path, struct statvfs *stbuf)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = statvfs(rpath, stbuf);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_release(const char *path, struct fuse_file_info *fi)
+{
+ (void) path;
+ close(fi->fh);
+
+ return 0;
+}
+
+
+static int vhffsfs_fsync(const char *path, int isdatasync, struct fuse_file_info *fi)
+{
+ int res;
+ (void) path;
+
+#ifndef HAVE_FDATASYNC
+ (void) isdatasync;
+#else
+ if(isdatasync)
+ res = fdatasync(fi->fh);
+ else
+#endif
+ res = fsync(fi->fh);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+#ifdef HAVE_SETXATTR
+/* xattr operations are optional and can safely be left unimplemented */
+static int vhffsfs_setxattr(const char *path, const char *name, const char *value, size_t size, int flags)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = lsetxattr(rpath, name, value, size, flags);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+
+
+static int vhffsfs_getxattr(const char *path, const char *name, char *value, size_t size)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = lgetxattr(rpath, name, value, size);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return res;
+}
+
+
+static int vhffsfs_listxattr(const char *path, char *list, size_t size)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = llistxattr(rpath, list, size);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return res;
+}
+
+
+static int vhffsfs_removexattr(const char *path, const char *name)
+{
+ int res;
+ char *rpath;
+
+ rpath = vhffsfs_realpath(path, NULL, NULL);
+ if(!rpath) return -ENOENT;
+
+ res = lremovexattr(rpath, name);
+ free(rpath);
+
+ if(res == -1) return -errno;
+ return 0;
+}
+#endif /* HAVE_SETXATTR */
+
+
+static struct fuse_operations vhffsfs_oper = {
+ .init = vhffsfs_init,
+ .getattr = vhffsfs_getattr,
+ .fgetattr = vhffsfs_fgetattr,
+ .access = vhffsfs_access,
+ .readlink = vhffsfs_readlink,
+ .opendir = vhffsfs_opendir,
+ .readdir = vhffsfs_readdir,
+ .releasedir = vhffsfs_releasedir,
+ .mknod = vhffsfs_mknod,
+ .mkdir = vhffsfs_mkdir,
+ .symlink = vhffsfs_symlink,
+ .unlink = vhffsfs_unlink,
+ .rmdir = vhffsfs_rmdir,
+ .rename = vhffsfs_rename,
+ .link = vhffsfs_link,
+ .chmod = vhffsfs_chmod,
+ .chown = vhffsfs_chown,
+ .truncate = vhffsfs_truncate,
+ .ftruncate = vhffsfs_ftruncate,
+ .utime = vhffsfs_utime,
+ .create = vhffsfs_create,
+ .open = vhffsfs_open,
+ .read = vhffsfs_read,
+ .write = vhffsfs_write,
+ .statfs = vhffsfs_statfs,
+ .release = vhffsfs_release,
+ .fsync = vhffsfs_fsync,
+#ifdef HAVE_SETXATTR
+ .setxattr = vhffsfs_setxattr,
+ .getxattr = vhffsfs_getxattr,
+ .listxattr = vhffsfs_listxattr,
+ .removexattr = vhffsfs_removexattr,
+#endif
+};
+
+int vhffsfs_readconfig(char *conffile) {
+
+ FILE *conf;
+ char line[128];
+
+ conf = fopen(conffile, "r");
+ if(!conf) return -1;
+
+ while( fgets(line, 128, conf) ) {
+ line[strlen(line)-1] = '\0';
+ if(!strncmp("grouppath ", line, 10)) {
+ vhffsfs.grouppath = strdup(line+10);
+ }
+ else if(!strncmp("webspath ", line, 9)) {
+ vhffsfs.webspath = strdup(line+9);
+ }
+ else if(!strncmp("repositoriespath ", line, 17)) {
+ vhffsfs.repositoriespath = strdup(line+17);
+ }
+ else if(!strncmp("dbhost ", line, 7)) {
+ vhffsfs.dbhost = strdup(line+7);
+ }
+ else if(!strncmp("dbport ", line, 7)) {
+ vhffsfs.dbport = atoi(line+7);
+ }
+ else if(!strncmp("dbuser ", line, 7)) {
+ vhffsfs.dbuser = strdup(line+7);
+ }
+ else if(!strncmp("dbpass ", line, 7)) {
+ vhffsfs.dbpass = strdup(line+7);
+ }
+ else if(!strncmp("dbname ", line, 7)) {
+ vhffsfs.dbname = strdup(line+7);
+ }
+ else if(!strncmp("dbtimeout ", line, 10)) {
+ vhffsfs.dbtimeout = atoi(line+10);
+ }
+ else if(!strncmp("minimumrightfile ", line, 17)) {
+ vhffsfs.minimumrightfile = strtoul(line+17, NULL, 8);
+ }
+ else if(!strncmp("minimumrightdir ", line, 16)) {
+ vhffsfs.minimumrightdir = strtoul(line+16, NULL, 8);
+ }
+ }
+
+ fclose(conf);
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ int i;
+ for(i = 0 ; i < VHFFSFS_MAXCONNDB ; i++) {
+ vhffsfs.pg_conn[i] = NULL;
+ pthread_mutex_init(&vhffsfs.pg_lock[i], NULL);
+ }
+ vhffsfs.grouppath = "/data/groups";
+ vhffsfs.webspath = "/data/web";
+ vhffsfs.repositoriespath = "/data/repository";
+ vhffsfs.dbhost = "127.0.0.1";
+ vhffsfs.dbport = 5432;
+ vhffsfs.dbuser = "vhffs";
+ vhffsfs.dbpass = "pass";
+ vhffsfs.dbname = "vhffs";
+ vhffsfs.dbtimeout = 30;
+// vhffsfs.defaultrightfile = 00664;
+// vhffsfs.defaultrightdir = 02775;
+ vhffsfs.minimumrightfile = 00400;
+ vhffsfs.minimumrightdir = 02700;
+#ifdef WITH_CACHE
+ vhffsfs.cache = g_hash_table_new(g_int_hash, g_int_equal);
+#endif
+
+ vhffsfs_readconfig(VHFFSFS_CONFIG);
+
+ // generate dbconninfo
+ vhffsfs.dbconninfo = malloc(256);
+ snprintf(vhffsfs.dbconninfo, 256, "host='%s' port='%d' user='%s' password='%s' dbname='%s' connect_timeout='%d'", vhffsfs.dbhost, vhffsfs.dbport, vhffsfs.dbuser, vhffsfs.dbpass, vhffsfs.dbname, vhffsfs.dbtimeout);
+ vhffsfs.dbconninfo = realloc(vhffsfs.dbconninfo, strlen(vhffsfs.dbconninfo)+1);
+
+ umask(0);
+ return fuse_main(argc, argv, &vhffsfs_oper);
+}
Added: trunk/vhffs-tools/src/vhffsfs_compil.sh
===================================================================
--- trunk/vhffs-tools/src/vhffsfs_compil.sh 2007-07-05 07:49:46 UTC (rev 662)
+++ trunk/vhffs-tools/src/vhffsfs_compil.sh 2007-07-05 11:23:50 UTC (rev 663)
@@ -0,0 +1,2 @@
+gcc -I/usr/include/fuse `pkg-config --cflags glib-2.0` -D_FILE_OFFSET_BITS=64 -D_REENTRANT -DFUSE_USE_VERSION=25 -Wall -ggdb -lfuse -lpthread -lpq `pkg-config --libs glib-2.0` vhffsfs.c md5c.c -o vhffsfs
+
Property changes on: trunk/vhffs-tools/src/vhffsfs_compil.sh
___________________________________________________________________
Name: svn:executable
+ *
Added: trunk/vhffs-tools/src/vhffsfs_run.sh
===================================================================
--- trunk/vhffs-tools/src/vhffsfs_run.sh 2007-07-05 07:49:46 UTC (rev 662)
+++ trunk/vhffs-tools/src/vhffsfs_run.sh 2007-07-05 11:23:50 UTC (rev 663)
@@ -0,0 +1,2 @@
+./vhffsfs -d -o allow_other,default_permissions,kernel_cache /mnt/fuse/
+
Property changes on: trunk/vhffs-tools/src/vhffsfs_run.sh
___________________________________________________________________
Name: svn:executable
+ *