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00025 #include "includes.h"
00026
00027 #undef DBGC_CLASS
00028 #define DBGC_CLASS DBGC_VFS
00029
00030
00031
00032 static int audit_connect(vfs_handle_struct *handle, const char *svc, const char *user);
00033 static void audit_disconnect(vfs_handle_struct *handle);
00034 static SMB_STRUCT_DIR *audit_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr);
00035 static int audit_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode);
00036 static int audit_rmdir(vfs_handle_struct *handle, const char *path);
00037 static int audit_open(vfs_handle_struct *handle, const char *fname, files_struct *fsp, int flags, mode_t mode);
00038 static int audit_close(vfs_handle_struct *handle, files_struct *fsp, int fd);
00039 static int audit_rename(vfs_handle_struct *handle, const char *oldname, const char *newname);
00040 static int audit_unlink(vfs_handle_struct *handle, const char *path);
00041 static int audit_chmod(vfs_handle_struct *handle, const char *path, mode_t mode);
00042 static int audit_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode);
00043 static int audit_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode);
00044 static int audit_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode);
00045
00046
00047
00048 static vfs_op_tuple audit_op_tuples[] = {
00049
00050
00051
00052 {SMB_VFS_OP(audit_connect), SMB_VFS_OP_CONNECT, SMB_VFS_LAYER_LOGGER},
00053 {SMB_VFS_OP(audit_disconnect), SMB_VFS_OP_DISCONNECT, SMB_VFS_LAYER_LOGGER},
00054
00055
00056
00057 {SMB_VFS_OP(audit_opendir), SMB_VFS_OP_OPENDIR, SMB_VFS_LAYER_LOGGER},
00058 {SMB_VFS_OP(audit_mkdir), SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_LOGGER},
00059 {SMB_VFS_OP(audit_rmdir), SMB_VFS_OP_RMDIR, SMB_VFS_LAYER_LOGGER},
00060
00061
00062
00063 {SMB_VFS_OP(audit_open), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_LOGGER},
00064 {SMB_VFS_OP(audit_close), SMB_VFS_OP_CLOSE, SMB_VFS_LAYER_LOGGER},
00065 {SMB_VFS_OP(audit_rename), SMB_VFS_OP_RENAME, SMB_VFS_LAYER_LOGGER},
00066 {SMB_VFS_OP(audit_unlink), SMB_VFS_OP_UNLINK, SMB_VFS_LAYER_LOGGER},
00067 {SMB_VFS_OP(audit_chmod), SMB_VFS_OP_CHMOD, SMB_VFS_LAYER_LOGGER},
00068 {SMB_VFS_OP(audit_fchmod), SMB_VFS_OP_FCHMOD, SMB_VFS_LAYER_LOGGER},
00069 {SMB_VFS_OP(audit_chmod_acl), SMB_VFS_OP_CHMOD_ACL, SMB_VFS_LAYER_LOGGER},
00070 {SMB_VFS_OP(audit_fchmod_acl), SMB_VFS_OP_FCHMOD_ACL, SMB_VFS_LAYER_LOGGER},
00071
00072
00073
00074 {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
00075 };
00076
00077
00078 static int audit_syslog_facility(vfs_handle_struct *handle)
00079 {
00080 static const struct enum_list enum_log_facilities[] = {
00081 { LOG_USER, "USER" },
00082 { LOG_LOCAL0, "LOCAL0" },
00083 { LOG_LOCAL1, "LOCAL1" },
00084 { LOG_LOCAL2, "LOCAL2" },
00085 { LOG_LOCAL3, "LOCAL3" },
00086 { LOG_LOCAL4, "LOCAL4" },
00087 { LOG_LOCAL5, "LOCAL5" },
00088 { LOG_LOCAL6, "LOCAL6" },
00089 { LOG_LOCAL7, "LOCAL7" }
00090 };
00091
00092 int facility;
00093
00094 facility = lp_parm_enum(SNUM(handle->conn), "audit", "facility", enum_log_facilities, LOG_USER);
00095
00096 return facility;
00097 }
00098
00099
00100 static int audit_syslog_priority(vfs_handle_struct *handle)
00101 {
00102 static const struct enum_list enum_log_priorities[] = {
00103 { LOG_EMERG, "EMERG" },
00104 { LOG_ALERT, "ALERT" },
00105 { LOG_CRIT, "CRIT" },
00106 { LOG_ERR, "ERR" },
00107 { LOG_WARNING, "WARNING" },
00108 { LOG_NOTICE, "NOTICE" },
00109 { LOG_INFO, "INFO" },
00110 { LOG_DEBUG, "DEBUG" }
00111 };
00112
00113 int priority;
00114
00115 priority = lp_parm_enum(SNUM(handle->conn), "audit", "priority", enum_log_priorities, LOG_NOTICE);
00116
00117 return priority;
00118 }
00119
00120
00121
00122
00123 static int audit_connect(vfs_handle_struct *handle, const char *svc, const char *user)
00124 {
00125 int result;
00126
00127 openlog("smbd_audit", LOG_PID, audit_syslog_facility(handle));
00128
00129 syslog(audit_syslog_priority(handle), "connect to service %s by user %s\n",
00130 svc, user);
00131
00132 result = SMB_VFS_NEXT_CONNECT(handle, svc, user);
00133
00134 return result;
00135 }
00136
00137 static void audit_disconnect(vfs_handle_struct *handle)
00138 {
00139 syslog(audit_syslog_priority(handle), "disconnected\n");
00140 SMB_VFS_NEXT_DISCONNECT(handle);
00141
00142 return;
00143 }
00144
00145 static SMB_STRUCT_DIR *audit_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
00146 {
00147 SMB_STRUCT_DIR *result;
00148
00149 result = SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
00150
00151 syslog(audit_syslog_priority(handle), "opendir %s %s%s\n",
00152 fname,
00153 (result == NULL) ? "failed: " : "",
00154 (result == NULL) ? strerror(errno) : "");
00155
00156 return result;
00157 }
00158
00159 static int audit_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
00160 {
00161 int result;
00162
00163 result = SMB_VFS_NEXT_MKDIR(handle, path, mode);
00164
00165 syslog(audit_syslog_priority(handle), "mkdir %s %s%s\n",
00166 path,
00167 (result < 0) ? "failed: " : "",
00168 (result < 0) ? strerror(errno) : "");
00169
00170 return result;
00171 }
00172
00173 static int audit_rmdir(vfs_handle_struct *handle, const char *path)
00174 {
00175 int result;
00176
00177 result = SMB_VFS_NEXT_RMDIR(handle, path);
00178
00179 syslog(audit_syslog_priority(handle), "rmdir %s %s%s\n",
00180 path,
00181 (result < 0) ? "failed: " : "",
00182 (result < 0) ? strerror(errno) : "");
00183
00184 return result;
00185 }
00186
00187 static int audit_open(vfs_handle_struct *handle, const char *fname, files_struct *fsp, int flags, mode_t mode)
00188 {
00189 int result;
00190
00191 result = SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
00192
00193 syslog(audit_syslog_priority(handle), "open %s (fd %d) %s%s%s\n",
00194 fname, result,
00195 ((flags & O_WRONLY) || (flags & O_RDWR)) ? "for writing " : "",
00196 (result < 0) ? "failed: " : "",
00197 (result < 0) ? strerror(errno) : "");
00198
00199 return result;
00200 }
00201
00202 static int audit_close(vfs_handle_struct *handle, files_struct *fsp, int fd)
00203 {
00204 int result;
00205
00206 result = SMB_VFS_NEXT_CLOSE(handle, fsp, fd);
00207
00208 syslog(audit_syslog_priority(handle), "close fd %d %s%s\n",
00209 fd,
00210 (result < 0) ? "failed: " : "",
00211 (result < 0) ? strerror(errno) : "");
00212
00213 return result;
00214 }
00215
00216 static int audit_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
00217 {
00218 int result;
00219
00220 result = SMB_VFS_NEXT_RENAME(handle, oldname, newname);
00221
00222 syslog(audit_syslog_priority(handle), "rename %s -> %s %s%s\n",
00223 oldname, newname,
00224 (result < 0) ? "failed: " : "",
00225 (result < 0) ? strerror(errno) : "");
00226
00227 return result;
00228 }
00229
00230 static int audit_unlink(vfs_handle_struct *handle, const char *path)
00231 {
00232 int result;
00233
00234 result = SMB_VFS_NEXT_UNLINK(handle, path);
00235
00236 syslog(audit_syslog_priority(handle), "unlink %s %s%s\n",
00237 path,
00238 (result < 0) ? "failed: " : "",
00239 (result < 0) ? strerror(errno) : "");
00240
00241 return result;
00242 }
00243
00244 static int audit_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
00245 {
00246 int result;
00247
00248 result = SMB_VFS_NEXT_CHMOD(handle, path, mode);
00249
00250 syslog(audit_syslog_priority(handle), "chmod %s mode 0x%x %s%s\n",
00251 path, mode,
00252 (result < 0) ? "failed: " : "",
00253 (result < 0) ? strerror(errno) : "");
00254
00255 return result;
00256 }
00257
00258 static int audit_chmod_acl(vfs_handle_struct *handle, const char *path, mode_t mode)
00259 {
00260 int result;
00261
00262 result = SMB_VFS_NEXT_CHMOD_ACL(handle, path, mode);
00263
00264 syslog(audit_syslog_priority(handle), "chmod_acl %s mode 0x%x %s%s\n",
00265 path, mode,
00266 (result < 0) ? "failed: " : "",
00267 (result < 0) ? strerror(errno) : "");
00268
00269 return result;
00270 }
00271
00272 static int audit_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
00273 {
00274 int result;
00275
00276 result = SMB_VFS_NEXT_FCHMOD(handle, fsp, fd, mode);
00277
00278 syslog(audit_syslog_priority(handle), "fchmod %s mode 0x%x %s%s\n",
00279 fsp->fsp_name, mode,
00280 (result < 0) ? "failed: " : "",
00281 (result < 0) ? strerror(errno) : "");
00282
00283 return result;
00284 }
00285
00286 static int audit_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
00287 {
00288 int result;
00289
00290 result = SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, fd, mode);
00291
00292 syslog(audit_syslog_priority(handle), "fchmod_acl %s mode 0x%x %s%s\n",
00293 fsp->fsp_name, mode,
00294 (result < 0) ? "failed: " : "",
00295 (result < 0) ? strerror(errno) : "");
00296
00297 return result;
00298 }
00299
00300 NTSTATUS vfs_audit_init(void);
00301 NTSTATUS vfs_audit_init(void)
00302 {
00303 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "audit", audit_op_tuples);
00304 }