Changes In Branch tcl-ops Excluding Merge-Ins
This is equivalent to a diff from 98449bcf3e to 5f4e904dfd
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2014-11-10
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| 05:57 | Moved to tcl-ops branch check-in: 0effed3239 user: rkeene tags: trunk | |
| 05:43 | Additional handling of determing child count Closed-Leaf check-in: 5f4e904dfd user: rkeene tags: tcl-ops | |
| 05:38 | Updated to compute number of children for each type of node so that things like "find" work reliably check-in: 9e96bce564 user: rkeene tags: tcl-ops | |
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2014-11-06
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| 16:19 | Create new branch named "tcl-ops" check-in: a80b5fa283 user: rkeene tags: tcl-ops | |
| 03:05 | Updated to use package name instead of hash for looking up extra files check-in: 98449bcf3e user: rkeene tags: trunk | |
| 02:49 | Updated to indicate only that packaged files are writable check-in: 97e72202db user: rkeene tags: trunk | |
Modified .fossil-settings/ignore-glob from [5155de6731] to [efc67b31c0].
1 2 3 | appfsd appfsd.o appfsd.tcl.h | > > > > | 1 2 3 4 5 6 7 | appfsd appfsd.o appfsd.tcl.h sha1.o sha1.tcl.h pki.tcl.h pki.tcl.new |
Modified Makefile from [bee1193267] to [d5b77089dc].
1 2 3 | CC = gcc PKG_CONFIG = pkg-config FUSE_CFLAGS = $(shell $(PKG_CONFIG) --cflags fuse) | < | < | | | | > > > > > > > > > > > > > > > > | | | | > > > > > > > > | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 |
CC = gcc
PKG_CONFIG = pkg-config
FUSE_CFLAGS = $(shell $(PKG_CONFIG) --cflags fuse)
CFLAGS = -Wall $(FUSE_CFLAGS) $(TCL_CFLAGS) -DDEBUG=1
LDFLAGS = $(TCL_LDFLAGS)
FUSE_LIBS = $(shell $(PKG_CONFIG) --libs fuse)
LIBS = $(FUSE_LIBS) $(TCL_LIBS)
PREFIX = /usr/local
prefix = $(PREFIX)
bindir = $(prefix)/bin
sbindir = $(prefix)/sbin
ifneq ($(TCLKIT_SDK_DIR),)
TCLCONFIG_SH_PATH = $(TCLKIT_SDK_DIR)/lib/tclConfig.sh
TCL_LDFLAGS = -Wl,-R,$(TCLKIT_SDK_DIR)/lib
export TCLKIT_SDK_DIR
else
TCLCONFIG_SH_PATH = $(shell echo 'puts [::tcl::pkgconfig get libdir,install]' | tclsh)/tclConfig.sh
endif
TCL_CFLAGS = $(shell . $(TCLCONFIG_SH_PATH); echo "$${TCL_INCLUDE_SPEC}")
TCL_LIBS = $(shell . $(TCLCONFIG_SH_PATH); echo "$${TCL_LIB_SPEC}")
all: appfsd
appfsd: appfsd.o sha1.o
$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o appfsd appfsd.o sha1.o $(LIBS)
appfsd.o: appfsd.c appfsd.tcl.h pki.tcl.h
$(CC) $(CPPFLAGS) $(CFLAGS) -o appfsd.o -c appfsd.c
sha1.o: sha1.c sha1.tcl.h
$(CC) $(CPPFLAGS) $(CFLAGS) -o sha1.o -c sha1.c
pki.tcl:
rm -f pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/asn/asn.tcl?name=aea6802a16e69c9f2d4f5eca20fdc23174609731 > pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/aes/aes.tcl?name=94452b42b4ca98298ab1465c40fd87d11a40cf5e >> pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/des/tcldes.tcl?name=ffea6ca6eb4468c0edef7a745b1dadc632ff5aeb >> pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/des/des.tcl?name=5d8f3a7c1a6ea88ee988652643db8f06038aff49 >> pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/math/bignum.tcl?name=3bc84d9b1f18c2e7360573381317c4dc9af731f9 >> pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/md5/md5x.tcl?name=3cddfa803d680a79ab7dfac90edfd751f3d4fadd >> pki.tcl.new
curl http://core.tcl.tk/tcllib/raw/modules/sha1/sha256.tcl?name=1fd001eb65e88c823b980456726079deae3512df >> pki.tcl.new
curl 'http://core.tcl.tk/tcllib/raw/modules/pki/pki.tcl?name=8318fd31981dcc00bfadd6c427518f9d71a12b34' >> pki.tcl.new
openssl sha1 pki.tcl.new | grep '918ddd77f485a58192b2e86230777092d790191a' >/dev/null
mv pki.tcl.new pki.tcl
%.tcl.h: %.tcl
sed 's@[\\"]@\\&@g;s@^@ "@;s@$$@\\n"@' $^ > $@.new
mv $@.new $@
install: appfsd appfs-cache appfs-mkfs
if [ ! -d '$(DESTDIR)$(sbindir)' ]; then mkdir -p '$(DESTDIR)$(sbindir)'; chmod 755 '$(DESTDIR)$(sbindir)'; fi
if [ ! -d '$(DESTDIR)$(bindir)' ]; then mkdir -p '$(DESTDIR)$(bindir)'; chmod 755 '$(DESTDIR)$(bindir)'; fi
cp appfsd '$(DESTDIR)$(sbindir)/'
cp appfs-cache '$(DESTDIR)$(sbindir)/'
cp appfs-mkfs '$(DESTDIR)$(bindir)/'
clean:
rm -f appfsd appfsd.o
rm -f appfsd.tcl.h
rm -f sha1.o sha1.tcl.h
rm -f pki.tcl.new pki.tcl.h
distclean: clean
mrproper: distclean
rm -f pki.tcl
.PHONY: all install clean distclean mrproper
|
Added appfs-cache version [f56f48d37a].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 |
#! /usr/bin/env bash
appfsd_options=()
if [ "$1" == "--cachedir" ]; then
appfsd_options=("${appfsd_options[@]}" '--cachedir' "$2")
shift; shift;
fi
function call_appfsd() {
appfsd "${appfsd_options[@]}" "$@"
}
function invalidate() {
call_appfsd --sqlite3 'UPDATE sites SET ttl = "0";'
}
function remove_site() {
local site
site="$1"
call_appfsd --sqlite3 'DELETE FROM sites WHERE hostname = '"'$site'"'; DELETE FROM packages WHERE hostname = '"'$site'"';' || return 1
clean
}
function clean() {
call_appfsd --tcl "$(cat <<\_EOF_
unset -nocomplain row
::appfs::db eval {SELECT sha1, hostname FROM packages;} row {
set hostname [::appfs::db onecolumn {SELECT hostname FROM sites WHERE hostname = $row(hostname) LIMIT 1;}]
if {$hostname == ""} {
continue
}
set valid_sha1($row(sha1)) 1
::appfs::db eval {SELECT file_sha1 FROM files WHERE file_sha1 IS NOT NULL AND file_sha1 != '' AND package_sha1 = $row(sha1);} subrow {
set valid_sha1($subrow(file_sha1)) 1
}
}
foreach file [glob -nocomplain -tails -directory $::appfs::cachedir {[0-9a-f][0-9a-f]/*/*/*/*}] {
set sha1 [string map [list "/" "" "\\" ""] $file]
set file [file join $::appfs::cachedir $file]
if {[info exists valid_sha1($sha1)]} {
continue
}
puts "Cleaning $file"
file delete -force -- $file
}
_EOF_
)"
}
function clear() {
local package
package="$1"
if [ -n "${package}" ]; then
echo "not implemented" >&2
return 1
fi
call_appfsd --tcl 'file delete -force -- {*}[glob -directory $::appfs::cachedir {[0-9a-f][0-9a-f]}]' || return 1
call_appfsd --sqlite3 'DELETE FROM sites; DELETE FROM packages; DELETE FROM files; VACUUM;' || return 1
}
case "$1" in
invalidate)
invalidate || exit 1
;;
remove-site)
remove_site "$2" || exit 1
;;
clean)
clean || exit 1
;;
clear)
clear "$2" || exit 1
;;
*)
echo "Usage: appfs-cache {invalidate|clean|clear|clear <package>|remove-site <site>}" >&2
exit 1
;;
esac
exit 0
|
Modified appfsd.c from [251c8531b4] to [1dcdd9bb28].
1 2 | #define FUSE_USE_VERSION 26 | | | > > > > > > > > > > > > > > | | | | < < | < < < | > > | > > < < < | > | < | > < < > | < < < | | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | > > > > > > > > > > > > > > > > | | | > > > > > | > > > > > > | > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 |
#define FUSE_USE_VERSION 26
#include <sys/fsuid.h>
#include <sys/types.h>
#include <pthread.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <fuse.h>
#include <pwd.h>
#include <tcl.h>
/*
* Default cache directory
*/
#ifndef APPFS_CACHEDIR
#define APPFS_CACHEDIR "/var/cache/appfs"
#endif
/* Debugging macros */
#ifdef DEBUG
#define APPFS_DEBUG(x...) { fprintf(stderr, "[debug] %s:%i:%s: ", __FILE__, __LINE__, __func__); fprintf(stderr, x); fprintf(stderr, "\n"); }
#else
#define APPFS_DEBUG(x...) /**/
#endif
/*
* SHA1 Tcl Package initializer, from sha1.o
*/
int Sha1_Init(Tcl_Interp *interp);
/*
* Thread Specific Data (TSD) for Tcl Interpreter for the current thread
*/
static pthread_key_t interpKey;
/*
* Global variables, needed for all threads but only initialized before any
* FUSE threads are created
*/
const char *appfs_cachedir;
time_t appfs_boottime;
int appfs_fuse_started = 0;
/*
* AppFS Path Type: Describes the type of path a given file is
*/
typedef enum {
APPFS_PATHTYPE_INVALID,
APPFS_PATHTYPE_FILE,
APPFS_PATHTYPE_DIRECTORY,
APPFS_PATHTYPE_SYMLINK,
APPFS_PATHTYPE_SOCKET,
APPFS_PATHTYPE_FIFO,
} appfs_pathtype_t;
/*
* AppFS Path Information:
* Completely describes a specific path, how it should be returned to
* to the kernel
*/
struct appfs_pathinfo {
appfs_pathtype_t type;
time_t time;
char hostname[256];
int packaged;
unsigned long long inode;
union {
struct {
int childcount;
} dir;
struct {
int executable;
off_t size;
} file;
struct {
off_t size;
char source[256];
} symlink;
} typeinfo;
};
/*
* Create a new Tcl interpreter and completely initialize it
*/
static Tcl_Interp *appfs_create_TclInterp(char **error_string) {
Tcl_Interp *interp;
int tcl_ret;
APPFS_DEBUG("Creating new Tcl interpreter for TID = 0x%llx", (unsigned long long) pthread_self());
interp = Tcl_CreateInterp();
if (interp == NULL) {
fprintf(stderr, "Unable to create Tcl Interpreter. Aborting.\n");
if (error_string) {
*error_string = strdup("Unable to create Tcl interpreter.");
}
return(NULL);
}
tcl_ret = Tcl_Init(interp);
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
tcl_ret = Tcl_Eval(interp, "package ifneeded sha1 1.0 [list load {} sha1]");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl SHA1. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
tcl_ret = Tcl_Eval(interp, "package ifneeded appfsd 1.0 [list load {} appfsd]");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS Package. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Load "pki.tcl" in the same way as appfsd.tcl (see below)
*/
tcl_ret = Tcl_Eval(interp, ""
#include "pki.tcl.h"
"");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl PKI. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Load the "appfsd.tcl" script, which is "compiled" into a C header
* so that it does not need to exist on the filesystem and can be
* directly evaluated.
*/
tcl_ret = Tcl_Eval(interp, ""
#include "appfsd.tcl.h"
"");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Set global variables from C to Tcl
*/
if (Tcl_SetVar(interp, "::appfs::cachedir", appfs_cachedir, TCL_GLOBAL_ONLY) == NULL) {
fprintf(stderr, "Unable to set cache directory. This should never fail.\n");
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Initialize the "appfsd.tcl" environment, which must be done after
* global variables are set.
*/
tcl_ret = Tcl_Eval(interp, "::appfs::init");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script (::appfs::init). Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
if (error_string) {
*error_string = strdup(Tcl_GetStringResult(interp));
}
Tcl_DeleteInterp(interp);
return(NULL);
}
/*
* Hide some Tcl commands that we do not care to use and which may
* slow down run-time operations.
*/
Tcl_HideCommand(interp, "auto_load_index", "auto_load_index");
Tcl_HideCommand(interp, "unknown", "unknown");
/*
* Return the completely initialized interpreter
*/
return(interp);
}
/*
* Return the thread-specific Tcl interpreter, creating it if needed
*/
static Tcl_Interp *appfs_TclInterp(void) {
Tcl_Interp *interp;
int pthread_ret;
interp = pthread_getspecific(interpKey);
if (interp == NULL) {
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
return(NULL);
}
pthread_ret = pthread_setspecific(interpKey, interp);
if (pthread_ret != 0) {
Tcl_DeleteInterp(interp);
return(NULL);
}
}
return(interp);
}
/*
* Evaluate a Tcl script constructed by concatenating a bunch of C strings
* together.
*/
static int appfs_Tcl_Eval(Tcl_Interp *interp, int objc, const char *cmd, ...) {
Tcl_Obj **objv;
const char *arg;
va_list argp;
int retval;
int i;
|
| ︙ | ︙ | |||
175 176 177 178 179 180 181 |
if (retval != TCL_OK) {
APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0));
}
return(retval);
}
| < < < | < | < < < | < < < | < < | < < < | < < | < | | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | | < < < < < < < < < < < < < < < < < < < < < < < < < < > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | | 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 |
if (retval != TCL_OK) {
APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0));
}
return(retval);
}
/*
* Determine the UID for the user making the current FUSE filesystem request.
* This will be used to lookup the user's home directory so we can search for
* locally modified files.
*/
static uid_t appfs_get_fsuid(void) {
struct fuse_context *ctx;
if (!appfs_fuse_started) {
return(getuid());
}
ctx = fuse_get_context();
if (ctx == NULL) {
/* Unable to lookup user for some reason */
/* Return an unprivileged user ID */
return(1);
}
return(ctx->uid);
}
/*
* Determine the GID for the user making the current FUSE filesystem request.
* This will be used to lookup the user's home directory so we can search for
* locally modified files.
*/
static gid_t appfs_get_fsgid(void) {
struct fuse_context *ctx;
if (!appfs_fuse_started) {
return(getgid());
}
ctx = fuse_get_context();
if (ctx == NULL) {
/* Unable to lookup user for some reason */
/* Return an unprivileged user ID */
return(1);
}
return(ctx->gid);
}
static void appfs_simulate_user_fs_enter(void) {
setfsuid(appfs_get_fsuid());
setfsgid(appfs_get_fsgid());
}
static void appfs_simulate_user_fs_leave(void) {
setfsuid(0);
setfsgid(0);
}
/*
* Look up the home directory for a given UID
* Returns a C string containing the user's home directory or NULL if
* the user's home directory does not exist or is not correctly
* configured
*/
static char *appfs_get_homedir(uid_t fsuid) {
struct passwd entry, *result;
struct stat stbuf;
char buf[1024], *retval;
int gpu_ret, stat_ret;
gpu_ret = getpwuid_r(fsuid, &entry, buf, sizeof(buf), &result);
if (gpu_ret != 0) {
|
| ︙ | ︙ | |||
318 319 320 321 322 323 324 | result->pw_dir, (unsigned long long) stbuf.st_uid ); return(NULL); } | | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < < < | < < | < | < | < | | < | < < < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < | < < < < < < < < < < < < < | | | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | | < | < < | < < | < | < < < | < < | < | < < | < < < < < < < < < < < < < < < < < < < < < < | < < | < < < | < | | < < < < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | < < | < < < < < | < < | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | | < | < < < | < < < < < | | < < | < < < < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < < < < | < < < | < | < < < | < < < < | < < < < < < < < | < < < < < < < < < < < < < < < < < < < < < < < | | < | < | | | | | < < | | < | | > > > > | < < < | > > | | | | | | < > | | | | < | | > | < < < > | > > | > > | < < > > > | | < < < | < | | | | < < | | > | | | | < < < | | | > | | < < | | > > | | < | | | > < > > | < | | < < < < < < < | | < < > > | | > | < > > > > | | | | < | | > | | > | < > > | < | | < | | < | | | > > > | < < < < < | | < > > | > | > | | > | < < < < < | > > | > > > | | | | > | < | < < | | < < < < | | > > > | < | | | | | | > > | | | > > > > > > > > > > > > | < | | | < | | | > | | | | > > > > | > > | > > > > | > | | > > > > | > < > > | > > | | < > > > | | > > > > > > > > > > > | > > > > > > > > > > > | | | 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 |
result->pw_dir,
(unsigned long long) stbuf.st_uid
);
return(NULL);
}
retval = strdup(result->pw_dir);
return(retval);
}
/*
* Tcl interface to get the home directory for the user making the "current"
* FUSE I/O request
*/
static int tcl_appfs_get_homedir(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
char *homedir;
Tcl_Obj *homedir_obj;
uid_t fsuid;
static __thread Tcl_Obj *last_homedir_obj = NULL;
static __thread uid_t last_fsuid = -1;
if (objc != 1) {
Tcl_WrongNumArgs(interp, 1, objv, NULL);
return(TCL_ERROR);
}
fsuid = appfs_get_fsuid();
if (fsuid == last_fsuid && last_homedir_obj != NULL) {
homedir_obj = last_homedir_obj;
} else {
if (last_homedir_obj != NULL) {
Tcl_DecrRefCount(last_homedir_obj);
}
homedir = appfs_get_homedir(appfs_get_fsuid());
if (homedir == NULL) {
return(TCL_ERROR);
}
homedir_obj = Tcl_NewStringObj(homedir, -1);
free(homedir);
last_homedir_obj = homedir_obj;
last_fsuid = fsuid;
Tcl_IncrRefCount(last_homedir_obj);
}
Tcl_SetObjResult(interp, homedir_obj);
return(TCL_OK);
}
static int tcl_appfs_simulate_user_fs_enter(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
appfs_simulate_user_fs_enter();
return(TCL_OK);
}
static int tcl_appfs_simulate_user_fs_leave(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
appfs_simulate_user_fs_leave();
return(TCL_OK);
}
/*
* Generate an inode for a given path. The inode should be computed in such
* a way that it is unlikely to be duplicated and remains the same for a given
* file
*/
static long long appfs_get_path_inode(const char *path) {
long long retval;
const char *p;
retval = 10;
for (p = path; *p; p++) {
retval %= 4290960290ULL;
retval += *p;
retval <<= 7;
}
retval += 10;
retval %= 4294967296ULL;
return(retval);
}
/* Get information about a path, and optionally list children */
static int appfs_get_path_info(const char *path, struct appfs_pathinfo *pathinfo) {
Tcl_Interp *interp;
Tcl_Obj *attrs_dict, *attr_value;
const char *attr_value_str;
Tcl_WideInt attr_value_wide;
int attr_value_int;
static __thread Tcl_Obj *attr_key_type = NULL, *attr_key_perms = NULL, *attr_key_size = NULL, *attr_key_time = NULL, *attr_key_source = NULL, *attr_key_childcount = NULL, *attr_key_packaged = NULL;
int tcl_ret;
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getattr", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::getattr(%s) failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(-ENOENT);
}
if (attr_key_type == NULL) {
attr_key_type = Tcl_NewStringObj("type", -1);
attr_key_perms = Tcl_NewStringObj("perms", -1);
attr_key_size = Tcl_NewStringObj("size", -1);
attr_key_time = Tcl_NewStringObj("time", -1);
attr_key_source = Tcl_NewStringObj("source", -1);
attr_key_childcount = Tcl_NewStringObj("childcount", -1);
attr_key_packaged = Tcl_NewStringObj("packaged", -1);
}
attrs_dict = Tcl_GetObjResult(interp);
tcl_ret = Tcl_DictObjGet(interp, attrs_dict, attr_key_type, &attr_value);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("[dict get \"type\"] failed");
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(-EIO);
}
if (attr_value == NULL) {
return(-EIO);
}
pathinfo->packaged = 0;
pathinfo->inode = appfs_get_path_inode(path);
attr_value_str = Tcl_GetString(attr_value);
switch (attr_value_str[0]) {
case 'd': /* directory */
pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
pathinfo->typeinfo.dir.childcount = 0;
Tcl_DictObjGet(interp, attrs_dict, attr_key_childcount, &attr_value);
if (attr_value != NULL) {
tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
if (tcl_ret == TCL_OK) {
pathinfo->typeinfo.dir.childcount = attr_value_wide;
}
}
break;
case 'f': /* file */
pathinfo->type = APPFS_PATHTYPE_FILE;
pathinfo->typeinfo.file.size = 0;
pathinfo->typeinfo.file.executable = 0;
Tcl_DictObjGet(interp, attrs_dict, attr_key_size, &attr_value);
if (attr_value != NULL) {
tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
if (tcl_ret == TCL_OK) {
pathinfo->typeinfo.file.size = attr_value_wide;
}
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_perms, &attr_value);
if (attr_value != NULL) {
attr_value_str = Tcl_GetString(attr_value);
if (attr_value_str[0] == 'x') {
pathinfo->typeinfo.file.executable = 1;
}
}
break;
case 's': /* symlink */
pathinfo->type = APPFS_PATHTYPE_SYMLINK;
pathinfo->typeinfo.symlink.size = 0;
pathinfo->typeinfo.symlink.source[0] = '\0';
Tcl_DictObjGet(interp, attrs_dict, attr_key_source, &attr_value);
if (attr_value != NULL) {
attr_value_str = Tcl_GetStringFromObj(attr_value, &attr_value_int);
if ((attr_value_int + 1) <= sizeof(pathinfo->typeinfo.symlink.source)) {
pathinfo->typeinfo.symlink.size = attr_value_int;
pathinfo->typeinfo.symlink.source[attr_value_int] = '\0';
memcpy(pathinfo->typeinfo.symlink.source, attr_value_str, attr_value_int);
}
}
break;
case 'F': /* pipe/fifo */
pathinfo->type = APPFS_PATHTYPE_FIFO;
break;
case 'S': /* UNIX domain socket */
pathinfo->type = APPFS_PATHTYPE_SOCKET;
break;
default:
return(-EIO);
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_packaged, &attr_value);
if (attr_value != NULL) {
pathinfo->packaged = 1;
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_time, &attr_value);
if (attr_value != NULL) {
tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
if (tcl_ret == TCL_OK) {
pathinfo->time = attr_value_wide;
}
} else {
pathinfo->time = 0;
}
return(0);
}
static char *appfs_prepare_to_create(const char *path) {
Tcl_Interp *interp;
const char *real_path;
int tcl_ret;
interp = appfs_TclInterp();
if (interp == NULL) {
return(NULL);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::prepare_to_create", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::prepare_to_create(%s) failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(NULL);
}
real_path = Tcl_GetStringResult(interp);
if (real_path == NULL) {
return(NULL);
}
return(strdup(real_path));
}
static char *appfs_localpath(const char *path) {
Tcl_Interp *interp;
const char *real_path;
int tcl_ret;
interp = appfs_TclInterp();
if (interp == NULL) {
return(NULL);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::localpath", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::localpath(%s) failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(NULL);
}
real_path = Tcl_GetStringResult(interp);
if (real_path == NULL) {
return(NULL);
}
return(strdup(real_path));
}
static int appfs_fuse_readlink(const char *path, char *buf, size_t size) {
struct appfs_pathinfo pathinfo;
int retval = 0;
APPFS_DEBUG("Enter (path = %s, ...)", path);
pathinfo.type = APPFS_PATHTYPE_INVALID;
retval = appfs_get_path_info(path, &pathinfo);
if (retval != 0) {
return(retval);
}
if (pathinfo.type != APPFS_PATHTYPE_SYMLINK) {
return(-EINVAL);
}
if ((strlen(pathinfo.typeinfo.symlink.source) + 1) > size) {
return(-ENAMETOOLONG);
}
memcpy(buf, pathinfo.typeinfo.symlink.source, strlen(pathinfo.typeinfo.symlink.source) + 1);
return(0);
}
static int appfs_fuse_getattr(const char *path, struct stat *stbuf) {
struct appfs_pathinfo pathinfo;
int retval;
retval = 0;
APPFS_DEBUG("Enter (path = %s, ...)", path);
pathinfo.type = APPFS_PATHTYPE_INVALID;
retval = appfs_get_path_info(path, &pathinfo);
if (retval != 0) {
return(retval);
}
memset(stbuf, 0, sizeof(struct stat));
stbuf->st_mtime = pathinfo.time;
stbuf->st_ctime = pathinfo.time;
stbuf->st_atime = pathinfo.time;
stbuf->st_ino = pathinfo.inode;
stbuf->st_mode = 0;
stbuf->st_uid = appfs_get_fsuid();
stbuf->st_gid = appfs_get_fsgid();
switch (pathinfo.type) {
case APPFS_PATHTYPE_DIRECTORY:
stbuf->st_mode = S_IFDIR | 0555;
stbuf->st_nlink = 2 + pathinfo.typeinfo.dir.childcount;
break;
case APPFS_PATHTYPE_FILE:
if (pathinfo.typeinfo.file.executable) {
stbuf->st_mode = S_IFREG | 0555;
} else {
stbuf->st_mode = S_IFREG | 0444;
}
stbuf->st_nlink = 1;
stbuf->st_size = pathinfo.typeinfo.file.size;
break;
case APPFS_PATHTYPE_SYMLINK:
stbuf->st_mode = S_IFLNK | 0555;
stbuf->st_nlink = 1;
stbuf->st_size = pathinfo.typeinfo.symlink.size;
break;
case APPFS_PATHTYPE_SOCKET:
stbuf->st_mode = S_IFSOCK | 0555;
stbuf->st_nlink = 1;
stbuf->st_size = 0;
break;
case APPFS_PATHTYPE_FIFO:
stbuf->st_mode = S_IFIFO | 0555;
stbuf->st_nlink = 1;
stbuf->st_size = 0;
break;
case APPFS_PATHTYPE_INVALID:
retval = -ENOENT;
break;
}
if (pathinfo.packaged) {
stbuf->st_mode |= 0222;
}
return(retval);
}
static int appfs_fuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi) {
Tcl_Interp *interp;
Tcl_Obj **children;
int children_count, idx;
int tcl_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
interp = appfs_TclInterp();
if (interp == NULL) {
return(0);
}
filler(buf, ".", NULL, 0);
filler(buf, "..", NULL, 0);
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getchildren", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::getchildren(%s) failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(0);
}
tcl_ret = Tcl_ListObjGetElements(interp, Tcl_GetObjResult(interp), &children_count, &children);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Parsing list of children on path %s failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(0);
}
for (idx = 0; idx < children_count; idx++) {
filler(buf, Tcl_GetString(children[idx]), NULL, 0);
}
return(0);
}
static int appfs_fuse_open(const char *path, struct fuse_file_info *fi) {
Tcl_Interp *interp;
struct appfs_pathinfo pathinfo;
const char *real_path, *mode;
int gpi_ret, tcl_ret;
int fh;
APPFS_DEBUG("Enter (path = %s, ...)", path);
gpi_ret = appfs_get_path_info(path, &pathinfo);
if ((fi->flags & (O_WRONLY|O_CREAT)) == (O_CREAT|O_WRONLY)) {
/* The file will be created if it does not exist */
if (gpi_ret != 0 && gpi_ret != -ENOENT) {
return(gpi_ret);
}
mode = "create";
} else {
/* The file must already exist */
if (gpi_ret != 0) {
return(gpi_ret);
}
mode = "";
if ((fi->flags & O_WRONLY) == O_WRONLY) {
mode = "write";
}
}
if (pathinfo.type == APPFS_PATHTYPE_DIRECTORY) {
return(-EISDIR);
}
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::openpath", path, mode);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::openpath(%s, %s) failed.", path, mode);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(-EIO);
}
real_path = Tcl_GetStringResult(interp);
if (real_path == NULL) {
return(-EIO);
}
APPFS_DEBUG("Translated request to open %s to opening %s (mode = \"%s\")", path, real_path, mode);
fh = open(real_path, fi->flags, 0600);
if (fh < 0) {
return(-EIO);
}
fi->fh = fh;
return(0);
|
| ︙ | ︙ | |||
1134 1135 1136 1137 1138 1139 1140 | } read_ret = read(fi->fh, buf, size); return(read_ret); } | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | | > > > > > > > > > > > > > > > > > > > > > > > > > > > > < > | > | > > > > > > > > > > > > | > > > > > | | < > > > > > > > > > > > > > > > > > > > | | > > > > | > > > > > | > > > > > > | > > > > > > > > > | < | > > > > > > > > > > > > > > > > > > | | 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 |
}
read_ret = read(fi->fh, buf, size);
return(read_ret);
}
static int appfs_fuse_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *fi) {
off_t lseek_ret;
ssize_t write_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
lseek_ret = lseek(fi->fh, offset, SEEK_SET);
if (lseek_ret != offset) {
return(-EIO);
}
write_ret = write(fi->fh, buf, size);
return(write_ret);
}
static int appfs_fuse_mknod(const char *path, mode_t mode, dev_t device) {
char *real_path;
int mknod_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
if ((mode & S_IFCHR) == S_IFCHR) {
return(-EPERM);
}
if ((mode & S_IFBLK) == S_IFBLK) {
return(-EPERM);
}
real_path = appfs_prepare_to_create(path);
if (real_path == NULL) {
return(-EIO);
}
appfs_simulate_user_fs_enter();
mknod_ret = mknod(real_path, mode, device);
appfs_simulate_user_fs_leave();
free(real_path);
if (mknod_ret != 0) {
return(errno * -1);
}
return(0);
}
static int appfs_fuse_create(const char *path, mode_t mode, struct fuse_file_info *fi) {
char *real_path;
int fd;
APPFS_DEBUG("Enter (path = %s, ...)", path);
if ((mode & S_IFCHR) == S_IFCHR) {
return(-EPERM);
}
if ((mode & S_IFBLK) == S_IFBLK) {
return(-EPERM);
}
real_path = appfs_prepare_to_create(path);
if (real_path == NULL) {
return(-EIO);
}
appfs_simulate_user_fs_enter();
fd = creat(real_path, mode);
appfs_simulate_user_fs_leave();
free(real_path);
if (fd < 0) {
return(errno * -1);
}
fi->fh = fd;
return(0);
}
static int appfs_fuse_truncate(const char *path, off_t size) {
char *real_path;
int truncate_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
real_path = appfs_localpath(path);
if (real_path == NULL) {
return(-EIO);
}
appfs_simulate_user_fs_enter();
truncate_ret = truncate(real_path, size);
appfs_simulate_user_fs_leave();
free(real_path);
if (truncate_ret != 0) {
return(errno * -1);
}
return(0);
}
static int appfs_fuse_unlink_rmdir(const char *path) {
Tcl_Interp *interp;
int tcl_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::unlinkpath", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::unlinkpath(%s) failed.", path);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(-EIO);
}
return(0);
}
static int appfs_fuse_mkdir(const char *path, mode_t mode) {
char *real_path;
int mkdir_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
real_path = appfs_prepare_to_create(path);
if (real_path == NULL) {
return(-EIO);
}
appfs_simulate_user_fs_enter();
mkdir_ret = mkdir(real_path, mode);
appfs_simulate_user_fs_leave();
free(real_path);
if (mkdir_ret != 0) {
if (errno != EEXIST) {
return(errno * -1);
}
}
return(0);
}
static int appfs_fuse_chmod(const char *path, mode_t mode) {
Tcl_Interp *interp;
const char *real_path;
int tcl_ret, chmod_ret;
APPFS_DEBUG("Enter (path = %s, ...)", path);
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::openpath", path, "write");
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::openpath(%s, %s) failed.", path, "write");
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
return(-EIO);
}
real_path = Tcl_GetStringResult(interp);
if (real_path == NULL) {
return(-EIO);
}
appfs_simulate_user_fs_enter();
chmod_ret = chmod(real_path, mode);
appfs_simulate_user_fs_leave();
return(chmod_ret);
}
/*
* SQLite3 mode: Execute raw SQL and return success or failure
*/
static int appfs_sqlite3(const char *sql) {
Tcl_Interp *interp;
const char *sql_ret;
int tcl_ret;
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
fprintf(stderr, "Unable to create a Tcl interpreter. Aborting.\n");
return(1);
}
tcl_ret = appfs_Tcl_Eval(interp, 5, "::appfs::db", "eval", sql, "row", "unset -nocomplain row(*); parray row; puts \"----\"");
sql_ret = Tcl_GetStringResult(interp);
if (tcl_ret != TCL_OK) {
fprintf(stderr, "[error] %s\n", sql_ret);
return(1);
}
if (sql_ret && sql_ret[0] != '\0') {
printf("%s\n", sql_ret);
}
return(0);
}
/*
* Tcl mode: Execute raw Tcl and return success or failure
*/
static int appfs_tcl(const char *tcl) {
Tcl_Interp *interp;
const char *tcl_result;
int tcl_ret;
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
fprintf(stderr, "Unable to create a Tcl interpreter. Aborting.\n");
return(1);
}
tcl_ret = Tcl_Eval(interp, tcl);
tcl_result = Tcl_GetStringResult(interp);
if (tcl_ret != TCL_OK) {
fprintf(stderr, "[error] %s\n", tcl_result);
return(1);
}
if (tcl_result && tcl_result[0] != '\0') {
printf("%s\n", tcl_result);
}
return(0);
}
/*
* AppFSd Package for Tcl:
* Bridge for I/O operations to request information about the current
* transaction
*/
static int Appfsd_Init(Tcl_Interp *interp) {
#ifdef USE_TCL_STUBS
if (Tcl_InitStubs(interp, TCL_VERSION, 0) == 0L) {
return(TCL_ERROR);
}
#endif
Tcl_CreateObjCommand(interp, "appfsd::get_homedir", tcl_appfs_get_homedir, NULL, NULL);
Tcl_CreateObjCommand(interp, "appfsd::simulate_user_fs_enter", tcl_appfs_simulate_user_fs_enter, NULL, NULL);
Tcl_CreateObjCommand(interp, "appfsd::simulate_user_fs_leave", tcl_appfs_simulate_user_fs_leave, NULL, NULL);
Tcl_PkgProvide(interp, "appfsd", "1.0");
return(TCL_OK);
}
/*
* FUSE operations structure
*/
static struct fuse_operations appfs_operations = {
.getattr = appfs_fuse_getattr,
.readdir = appfs_fuse_readdir,
.readlink = appfs_fuse_readlink,
.open = appfs_fuse_open,
.release = appfs_fuse_close,
.read = appfs_fuse_read,
.write = appfs_fuse_write,
.mknod = appfs_fuse_mknod,
.create = appfs_fuse_create,
.truncate = appfs_fuse_truncate,
.unlink = appfs_fuse_unlink_rmdir,
.rmdir = appfs_fuse_unlink_rmdir,
.mkdir = appfs_fuse_mkdir,
.chmod = appfs_fuse_chmod,
};
/*
* FUSE option parsing callback
*/
static int appfs_fuse_opt_cb(void *data, const char *arg, int key, struct fuse_args *outargs) {
static int seen_cachedir = 0;
if (key == FUSE_OPT_KEY_NONOPT && seen_cachedir == 0) {
seen_cachedir = 1;
appfs_cachedir = strdup(arg);
return(0);
}
return(1);
}
/*
* Entry point into this program.
*/
int main(int argc, char **argv) {
Tcl_Interp *test_interp;
char *test_interp_error;
struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
int pthread_ret;
/*
* Skip passed program name
*/
if (argc == 0 || argv == NULL) {
return(1);
}
argc--;
argv++;
/*
* Set global variables, these should be configuration options.
*/
appfs_cachedir = APPFS_CACHEDIR;
/*
* Set global variable for "boot time" to set a time on directories
* that we fake.
*/
appfs_boottime = time(NULL);
/*
* Register "sha1" and "appfsd" package with libtcl so that any new
* interpreters created (which are done dynamically by FUSE) can have
* the appropriate configuration done automatically.
*/
Tcl_StaticPackage(NULL, "sha1", Sha1_Init, NULL);
Tcl_StaticPackage(NULL, "appfsd", Appfsd_Init, NULL);
/*
* Create a thread-specific-data (TSD) key for each thread to refer
* to its own Tcl interpreter. Tcl interpreters must be unique per
* thread and new threads are dynamically created by FUSE.
*/
pthread_ret = pthread_key_create(&interpKey, NULL);
if (pthread_ret != 0) {
fprintf(stderr, "Unable to create TSD key for Tcl. Aborting.\n");
return(1);
}
/*
* Manually specify cache directory, without FUSE callback
* This option only works when not using FUSE, since we
* do not process it with FUSEs option processing.
*/
if (argc >= 2) {
if (strcmp(argv[0], "--cachedir") == 0) {
appfs_cachedir = strdup(argv[1]);
argc -= 2;
argv += 2;
}
}
/*
* SQLite3 mode, for running raw SQL against the cache database
*/
if (argc == 2 && strcmp(argv[0], "--sqlite3") == 0) {
return(appfs_sqlite3(argv[1]));
}
/*
* Tcl mode, for running raw Tcl in the same environment AppFSd would
* run code.
*/
if (argc == 2 && strcmp(argv[0], "--tcl") == 0) {
return(appfs_tcl(argv[1]));
}
/*
* Create a Tcl interpreter just to verify that things are in working
* order before we become a daemon.
*/
test_interp = appfs_create_TclInterp(&test_interp_error);
if (test_interp == NULL) {
if (test_interp_error == NULL) {
test_interp_error = "Unknown error";
}
fprintf(stderr, "Unable to initialize Tcl interpreter for AppFSd:\n");
fprintf(stderr, "%s\n", test_interp_error);
return(1);
}
Tcl_DeleteInterp(test_interp);
/*
* Add FUSE arguments which we always supply
*/
fuse_opt_parse(&args, NULL, NULL, appfs_fuse_opt_cb);
fuse_opt_add_arg(&args, "-odefault_permissions,fsname=appfs,subtype=appfsd,use_ino,kernel_cache,entry_timeout=60,attr_timeout=3600,intr,big_writes");
if (getuid() == 0) {
fuse_opt_parse(&args, NULL, NULL, NULL);
fuse_opt_add_arg(&args, "-oallow_other");
}
/*
* Enter the FUSE main loop -- this will process any arguments
* and start servicing requests.
*/
appfs_fuse_started = 1;
return(fuse_main(args.argc, args.argv, &appfs_operations, NULL));
}
|
Modified appfsd.tcl from [86cb2b92c8] to [85c7175a51].
1 2 3 4 | #! /usr/bin/env tclsh package require http 2.7 package require sqlite3 | | | | < < | < > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 |
#! /usr/bin/env tclsh
package require http 2.7
package require sqlite3
package require sha1
package require appfsd
package require platform
package require pki
namespace eval ::appfs {
variable cachedir "/tmp/appfs-cache"
variable ttl 3600
variable nttl 60
# User-replacable function to convert a hostname/hash/method to an URL
proc _construct_url {hostname hash method} {
return "http://$hostname/appfs/$method/$hash"
}
proc _hash_sep {hash {seps 4}} {
for {set idx 0} {$idx < $seps} {incr idx} {
append retval "[string range $hash [expr {$idx * 2}] [expr {($idx * 2) + 1}]]/"
}
append retval "[string range $hash [expr {$idx * 2}] end]"
|
| ︙ | ︙ | |||
34 35 36 37 38 39 40 |
file mkdir [file dirname $file]
if {[file exists $file]} {
return $file
}
| | | 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 |
file mkdir [file dirname $file]
if {[file exists $file]} {
return $file
}
set tmpfile "${file}.[expr {rand()}][clock clicks]"
set fd [open $tmpfile "w"]
fconfigure $fd -translation binary
catch {
set token [::http::geturl $url -channel $fd -binary true]
}
|
| ︙ | ︙ | |||
82 83 84 85 86 87 88 |
if {![regexp {^[0-9a-f]*$} $value]} {
return false
}
return true
}
| < < < < | 84 85 86 87 88 89 90 91 92 93 94 95 96 97 |
if {![regexp {^[0-9a-f]*$} $value]} {
return false
}
return true
}
proc _normalizeOS {os} {
set os [string tolower [string trim $os]]
switch -- $os {
"linux" - "freebsd" - "openbsd" - "netbsd" {
return $os
}
|
| ︙ | ︙ | |||
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 |
"noarch" - "none" - "any" - "all" {
return "noarch"
}
}
return -code error "Unable to normalize CPU: $cpu"
}
proc init {} {
if {[info exists ::appfs::init_called]} {
return
}
set ::appfs::init_called 1
if {![info exists ::appfs::db]} {
file mkdir $::appfs::cachedir
sqlite3 ::appfs::db [file join $::appfs::cachedir cache.db]
}
# Create tables
| > > > > > > > > > > > > > > > > > > > > > | | | | | | | | | 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 |
"noarch" - "none" - "any" - "all" {
return "noarch"
}
}
return -code error "Unable to normalize CPU: $cpu"
}
proc _as_user {code} {
::appfsd::simulate_user_fs_enter
set retcode [catch [list uplevel $code] retstr]
::appfsd::simulate_user_fs_leave
return -code $retcode $retstr
}
proc init {} {
if {[info exists ::appfs::init_called]} {
return
}
# Force [parray] to be loaded
catch {
parray does_not_exist
}
set ::appfs::init_called 1
# Load configuration file
set config_file [file join $::appfs::cachedir config]
if {[file exists $config_file]} {
source $config_file
}
if {![info exists ::appfs::db]} {
file mkdir $::appfs::cachedir
sqlite3 ::appfs::db [file join $::appfs::cachedir cache.db]
}
# Create tables
db eval {CREATE TABLE IF NOT EXISTS sites(hostname PRIMARY KEY, lastUpdate, ttl);}
db eval {CREATE TABLE IF NOT EXISTS packages(hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest);}
db eval {CREATE TABLE IF NOT EXISTS files(package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory);}
# Create indexes
db eval {CREATE INDEX IF NOT EXISTS sites_index ON sites (hostname);}
db eval {CREATE INDEX IF NOT EXISTS packages_index ON packages (hostname, package, version, os, cpuArch);}
db eval {CREATE INDEX IF NOT EXISTS files_index ON files (package_sha1, file_name, file_directory);}
}
proc download {hostname hash {method sha1}} {
set url [_construct_url $hostname $hash $method]
set file [_cachefile $url $hash]
if {![file exists $file]} {
return -code error "Unable to fetch (file does not exist: $file)"
}
return $file
}
proc getindex {hostname} {
set now [clock seconds]
set lastUpdates [db eval {SELECT lastUpdate, ttl FROM sites WHERE hostname = $hostname LIMIT 1;}]
if {[llength $lastUpdates] == 0} {
set lastUpdate 0
set ttl 0
} else {
set lastUpdate [lindex $lastUpdates 0]
set ttl [lindex $lastUpdates 1]
}
|
| ︙ | ︙ | |||
190 191 192 193 194 195 196 |
}
::http::reset $token
::http::cleanup $token
}
if {![info exists indexhash_data]} {
# Cache this result for 60 seconds
| | | 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 |
}
::http::reset $token
::http::cleanup $token
}
if {![info exists indexhash_data]} {
# Cache this result for 60 seconds
db eval {INSERT OR REPLACE INTO sites (hostname, lastUpdate, ttl) VALUES ($hostname, $now, $::appfs::nttl);}
return -code error "Unable to fetch $url"
}
set indexhash [lindex [split $indexhash_data ","] 0]
if {![_isHash $indexhash]} {
|
| ︙ | ︙ | |||
240 241 242 243 244 245 246 |
if {![_isHash $pkgInfo(hash)]} {
continue
}
lappend curr_packages $pkgInfo(hash)
# Do not do any additional work if we already have this package
| | | | | | | | | | 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 |
if {![_isHash $pkgInfo(hash)]} {
continue
}
lappend curr_packages $pkgInfo(hash)
# Do not do any additional work if we already have this package
set existing_packages [db eval {SELECT package FROM packages WHERE hostname = $hostname AND sha1 = $pkgInfo(hash);}]
if {[lsearch -exact $existing_packages $pkgInfo(package)] != -1} {
continue
}
if {$pkgInfo(isLatest)} {
db eval {UPDATE packages SET isLatest = 0 WHERE hostname = $hostname AND package = $pkgInfo($package) AND os = $pkgInfo($package) AND cpuArch = $pkgInfo(cpuArch);}
}
db eval {INSERT INTO packages (hostname, sha1, package, version, os, cpuArch, isLatest, haveManifest) VALUES ($hostname, $pkgInfo(hash), $pkgInfo(package), $pkgInfo(version), $pkgInfo(os), $pkgInfo(cpuArch), $pkgInfo(isLatest), 0);}
}
# Look for packages that have been deleted
set found_packages [db eval {SELECT sha1 FROM packages WHERE hostname = $hostname;}]
foreach package $found_packages {
set found_packages_arr($package) 1
}
foreach package $curr_packages {
unset -nocomplain found_packages_arr($package)
}
foreach package [array names found_packages_arr] {
db eval {DELETE FROM packages WHERE hostname = $hostname AND sha1 = $package;}
}
db eval {INSERT OR REPLACE INTO sites (hostname, lastUpdate, ttl) VALUES ($hostname, $now, $::appfs::ttl);}
return COMPLETE
}
proc getpkgmanifest {hostname package_sha1} {
set haveManifests [db eval {SELECT haveManifest FROM packages WHERE sha1 = $package_sha1 LIMIT 1;}]
set haveManifest [lindex $haveManifests 0]
if {$haveManifest} {
return COMPLETE
}
if {![_isHash $package_sha1]} {
return FAIL
}
set file [download $hostname $package_sha1]
set fd [open $file]
set pkgdata [read $fd]
close $fd
db transaction {
foreach line [split $pkgdata "\n"] {
set line [string trim $line]
if {$line == ""} {
continue
}
|
| ︙ | ︙ | |||
322 323 324 325 326 327 328 | } set fileInfo(name) [join $work ","] set fileInfo(name) [split [string trim $fileInfo(name) "/"] "/"] set fileInfo(directory) [join [lrange $fileInfo(name) 0 end-1] "/"] set fileInfo(name) [lindex $fileInfo(name) end] | | | | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 |
}
set fileInfo(name) [join $work ","]
set fileInfo(name) [split [string trim $fileInfo(name) "/"] "/"]
set fileInfo(directory) [join [lrange $fileInfo(name) 0 end-1] "/"]
set fileInfo(name) [lindex $fileInfo(name) end]
db eval {INSERT INTO files (package_sha1, type, time, source, size, perms, file_sha1, file_name, file_directory) VALUES ($package_sha1, $fileInfo(type), $fileInfo(time), $fileInfo(source), $fileInfo(size), $fileInfo(perms), $fileInfo(sha1), $fileInfo(name), $fileInfo(directory) );}
db eval {UPDATE packages SET haveManifest = 1 WHERE sha1 = $package_sha1;}
}
}
return COMPLETE
}
proc _localpath {package hostname file} {
set homedir [::appfsd::get_homedir]
set dir [file join $homedir .appfs "./${package}@${hostname}" "./${file}"]
return $dir
}
proc _whiteoutpath {package hostname file} {
set homedir [::appfsd::get_homedir]
set dir [file join $homedir .appfs "./${package}@${hostname}" ".APPFS.WHITEOUT" "./${file}.APPFS.WHITEOUT"]
return $dir
}
proc _parsepath {path} {
set path [string trim $path "/"]
set path [split $path "/"]
set pathlen [llength $path]
array set retval [list _children sites _type toplevel]
if {$pathlen > 0} {
set retval(hostname) [lindex $path 0]
set retval(_children) packages
set retval(_type) sites
if {$pathlen > 1} {
set package [lindex $path 1]
if {[string length $package] == "40" && [regexp {^[a-fA-F0-9]*$} $package]} {
set retval(package_sha1) $package
set retval(_children) files
set retval(_type) files
::appfs::db eval {SELECT package, os, cpuArch, version FROM packages WHERE sha1 = $retval(package_sha1);} pkginfo {}
set retval(package) $pkginfo(package)
set retval(os) $pkginfo(os)
set retval(cpu) $pkginfo(cpuArch)
set retval(version) $pkginfo(version)
if {$pathlen > 2} {
set retval(file) [join [lrange $path 2 end] "/"]
} else {
set retval(file) ""
}
} else {
set retval(package) $package
set retval(_children) os-cpu
set retval(_type) packages
if {$pathlen > 2} {
set os_cpu [lindex $path 2]
set os_cpu [split $os_cpu "-"]
set retval(os) [lindex $os_cpu 0]
set retval(cpu) [lindex $os_cpu 1]
set retval(_children) versions
set retval(_type) os-cpu
if {$pathlen > 3} {
set retval(version) [lindex $path 3]
set retval(_children) files
set retval(_type) versions
set retval(package_sha1) [::appfs::db onecolumn {SELECT sha1 FROM packages WHERE hostname = $retval(hostname) AND os = $retval(os) AND cpuArch = $retval(cpu) AND version = $retval(version);}]
if {$retval(package_sha1) == ""} {
set retval(_children) dead
return [array get retval]
}
if {$pathlen > 4} {
set retval(_type) files
set retval(file) [join [lrange $path 4 end] "/"]
} else {
set retval(_type) files
set retval(file) ""
}
}
}
}
}
}
return [array get retval]
}
proc getchildren {dir} {
array set pathinfo [_parsepath $dir]
switch -- $pathinfo(_children) {
"sites" {
return [::appfs::db eval {SELECT DISTINCT hostname FROM packages;}]
}
"packages" {
catch {
::appfs::getindex $pathinfo(hostname)
}
return [::appfs::db eval {SELECT DISTINCT package FROM packages WHERE hostname = $pathinfo(hostname);}]
}
"os-cpu" {
set retval [::appfs::db eval {SELECT DISTINCT os || "-" || cpuArch FROM packages WHERE hostname = $pathinfo(hostname) AND package = $pathinfo(package);}]
lappend retval "platform"
return $retval
}
"versions" {
set retval [::appfs::db eval {
SELECT DISTINCT version FROM packages WHERE hostname = $pathinfo(hostname) AND package = $pathinfo(package) AND os = $pathinfo(os) AND cpuArch = $pathinfo(cpu);
}]
lappend retval "latest"
return $retval
}
"files" {
catch {
::appfs::getpkgmanifest $pathinfo(hostname) $pathinfo(package_sha1)
}
set retval [::appfs::db eval {SELECT DISTINCT file_name FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $pathinfo(file);}]
if {[info exists pathinfo(package)] && [info exists pathinfo(hostname)] && [info exists pathinfo(file)]} {
_as_user {
set dir [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
set whiteoutdir [string range [_whiteoutpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)] 0 end-15]
foreach file [glob -nocomplain -tails -directory $whiteoutdir {{.,}*.APPFS.WHITEOUT}] {
set remove [string range $file 0 end-15]
set idx [lsearch -exact $retval $remove]
if {$idx != -1} {
set retval [lreplace $retval $idx $idx]
}
}
foreach file [glob -nocomplain -tails -directory $dir -types {d f l p s} {{.,}*}] {
if {$file == "." || $file == ".."} {
continue
}
if {$file == ".APPFS.WHITEOUT"} {
continue
}
if {[lsearch -exact $retval $file] != -1} {
continue
}
lappend retval $file
}
}
}
return $retval
}
}
return -code error "Invalid or unacceptable path: $dir"
}
proc getattr {path} {
array set pathinfo [_parsepath $path]
array set retval [list]
catch {
::appfs::getindex $pathinfo(hostname)
::appfs::getpkgmanifest $pathinfo(hostname) $pathinfo(package_sha1)
}
switch -- $pathinfo(_type) {
"toplevel" {
set retval(type) directory
set retval(childcount) [llength [getchildren $path]]
}
"sites" {
set check [::appfs::db onecolumn {SELECT 1 FROM packages WHERE hostname = $pathinfo(hostname);}]
if {$check == "1"} {
set retval(type) directory
set retval(childcount) [llength [getchildren $path]]
}
}
"packages" {
set check [::appfs::db onecolumn {SELECT 1 FROM packages WHERE hostname = $pathinfo(hostname) AND package = $pathinfo(package);}]
if {$check == "1"} {
set retval(type) directory
set retval(childcount) [llength [getchildren $path]]
}
}
"os-cpu" {
if {$pathinfo(os) == "platform" && $pathinfo(cpu) == ""} {
set retval(type) symlink
set retval(source) [platform::generic]
} else {
set check [::appfs::db onecolumn {
SELECT 1 FROM packages WHERE hostname = $pathinfo(hostname) AND package = $pathinfo(package) AND os = $pathinfo(os) AND cpuArch = $pathinfo(cpu);
}]
if {$check == "1"} {
set retval(type) directory
set retval(childcount) [llength [getchildren $path]]
}
}
}
"versions" {
if {$pathinfo(version) == "latest"} {
set retval(type) symlink
set retval(source) "1.0"
} else {
if {[info exists pathinfo(package_sha1)] && $pathinfo(package_sha1) != ""} {
set retval(type) directory
set retval(childcount) [llength [getchildren $path]]
}
}
}
"files" {
set retval(packaged) 1
set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
set whiteoutpath [_whiteoutpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
set retval(localpath) $localpath
set retval(whiteoutpath) $whiteoutpath
if {[file exists $localpath]} {
set retval(is_localfile) 1
catch {
_as_user {
file lstat $localpath localpathinfo
}
set retval(time) $localpathinfo(mtime)
switch -- $localpathinfo(type) {
"directory" {
set retval(type) "directory"
set retval(childcount) [llength [getchildren $path]]
}
"file" {
set retval(type) "file"
set retval(size) $localpathinfo(size)
_as_user {
if {[file executable $localpath]} {
set retval(perms) "x"
} else {
set retval(perms) ""
}
}
}
"link" {
set retval(type) "symlink"
_as_user {
set retval(source) [file readlink $localpath]
}
}
"fifo" {
# Capitalized so that the first char is unique
set retval(type) "Fifo"
}
"socket" {
# Capitalized so that the first char is unique
set retval(type) "Socket"
}
}
} err
} else {
if {![file exists $whiteoutpath]} {
set retval(is_remotefile) 1
set work [split $pathinfo(file) "/"]
set directory [join [lrange $work 0 end-1] "/"]
set file [lindex $work end]
if {$directory == "" && $file == ""} {
array set retval [list type directory]
}
::appfs::db eval {SELECT type, time, source, size, perms FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_directory = $directory AND file_name = $file;} retval {}
if {$retval(type) == "directory"} {
set retval(childcount) [llength [getchildren $path]]
}
unset -nocomplain retval(*)
}
}
}
}
if {![info exists retval(type)]} {
return -code error "No such file or directory"
}
return [array get retval]
}
proc openpath {path mode} {
array set pathinfo [_parsepath $path]
if {$pathinfo(_type) != "files"} {
return -code error "invalid type"
}
set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
if {$mode == "create"} {
return $localpath
}
if {[file exists $localpath]} {
return $localpath
}
set work [split $pathinfo(file) "/"]
set directory [join [lrange $work 0 end-1] "/"]
set file [lindex $work end]
::appfs::db eval {SELECT file_sha1, perms FROM files WHERE package_sha1 = $pathinfo(package_sha1) AND file_name = $file AND file_directory = $directory;} pkgpathinfo {}
if {$pkgpathinfo(file_sha1) == ""} {
return -code error "No such file or directory"
}
set localcachefile [download $pathinfo(hostname) $pkgpathinfo(file_sha1)]
if {$mode == "write"} {
_as_user {
set tmplocalpath "${localpath}.[expr rand()][clock clicks]"
set failed 0
if {[catch {
file mkdir [file dirname $localpath]
file copy -force -- $localcachefile $tmplocalpath
if {$pkgpathinfo(perms) == "x"} {
file attributes $tmplocalpath -permissions +x
}
file rename -force -- $tmplocalpath $localpath
} err]} {
set failed 1
}
catch {
file delete -force -- $tmplocalpath
}
}
if {$failed} {
return -code error $err
}
return $localpath
}
return $localcachefile
}
proc localpath {path} {
array set pathinfo [_parsepath $path]
if {$pathinfo(_type) != "files"} {
return -code error "invalid type"
}
set localpath [_localpath $pathinfo(package) $pathinfo(hostname) $pathinfo(file)]
return $localpath
}
proc exists {path} {
catch {
set info [getattr $path]
} err
if {![info exists info]} {
if {$err == "No such file or directory"} {
return [list]
} else {
return -code error $err
}
}
return $info
}
proc prepare_to_create {path {must_not_exist 1}} {
if {$must_not_exist} {
if {[exists $path] != ""} {
return -code error "File already exists"
}
}
set filename [localpath $path]
set dirname [file dirname $filename]
_as_user {
file mkdir $dirname
}
return $filename
}
proc unlinkpath {path} {
array set pathattrs [exists $path]
if {![info exists pathattrs(packaged)]} {
return -code error "invalid type"
}
set localpath $pathattrs(localpath)
if {[info exists pathattrs(is_localfile)]} {
if {[file isdirectory $localpath]} {
set children [getchildren $path]
if {[llength $children] != 0} {
return -code error "Asked to delete non-empty directory"
}
}
_as_user {
file delete -force -- $localpath
}
} elseif {[info exists pathattrs(is_remotefile)]} {
if {$pathattrs(type) == "directory"} {
set children [getchildren $path]
if {[llength $children] != 0} {
return -code error "Asked to delete non-empty directory"
}
}
} else {
return -code error "Unknown if file is remote or local !?"
}
set whiteoutfile $pathattrs(whiteoutpath)
set whiteoutdir [file dirname $whiteoutfile]
_as_user {
file mkdir $whiteoutdir
close [open $whiteoutfile w]
}
}
}
|
Added sha1.c version [a59d293e66].
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 |
/*
SHA-1 in C
By Steve Reid <steve@edmweb.com>
100% Public Domain
Test Vectors (from FIPS PUB 180-1)
"abc"
A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
A million repetitions of "a"
34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
*/
/* #define LITTLE_ENDIAN * This should be #define'd if true. */
/* #define SHA1HANDSOFF * Copies data before messing with it. */
#include <tcl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdint.h>
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#define SHA1HANDSOFF 1
typedef struct {
uint32_t state[5];
uint32_t count[2];
uint8_t buffer[64];
} SHA1_CTX;
#ifndef __BIG_ENDIAN
#define __BIG_ENDIAN 4321
#endif
#ifndef __LITTLE_ENDIAN
#define __LITTLE_ENDIAN 1234
#endif
#ifndef __BYTE_ORDER
#ifdef WORDS_BIGENDIAN
#define __BYTE_ORDER __BIG_ENDIAN
#else
#define __BYTE_ORDER __LITTLE_ENDIAN
#endif
#endif
#if __BYTE_ORDER == __BIG_ENDIAN
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 1
#endif
#undef LITTLE_ENDIAN
#else
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1
#endif
#undef BIG_ENDIAN
#endif
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
/* blk0() and blk() perform the initial expand. */
/* I got the idea of expanding during the round function from SSLeay */
#ifdef LITTLE_ENDIAN
#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
|(rol(block->l[i],8)&0x00FF00FF))
#else
#define blk0(i) block->l[i]
#endif
#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
^block->l[(i+2)&15]^block->l[i&15],1))
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
/* Hash a single 512-bit block. This is the core of the algorithm. */
static void SHA1Transform(uint32_t state[5], uint8_t buffer[64]) {
uint32_t a, b, c, d, e;
typedef union {
uint8_t c[64];
uint32_t l[16];
} CHAR64LONG16;
CHAR64LONG16* block;
#ifdef SHA1HANDSOFF
uint8_t workspace[sizeof(*block)];
block = (CHAR64LONG16*)workspace;
memcpy(block, buffer, sizeof(*block));
#else
block = (CHAR64LONG16*)buffer;
#endif
/* Copy context->state[] to working vars */
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
/* 4 rounds of 20 operations each. Loop unrolled. */
R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
/* Add the working vars back into context.state[] */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
/* Wipe variables */
a = b = c = d = e = 0;
}
/* SHA1Init - Initialize new context */
static void SHA1Init(SHA1_CTX* context) {
/* SHA1 initialization constants */
context->state[0] = 0x67452301;
context->state[1] = 0xEFCDAB89;
context->state[2] = 0x98BADCFE;
context->state[3] = 0x10325476;
context->state[4] = 0xC3D2E1F0;
context->count[0] = 0;
context->count[1] = 0;
}
/* Run your data through this. */
static void SHA1Update(SHA1_CTX* context, unsigned char* data, unsigned int len) {
unsigned int i, j;
j = (context->count[0] >> 3) & 63;
if ((context->count[0] += len << 3) < (len << 3)) {
context->count[1]++;
}
context->count[1] += (len >> 29);
if ((j + len) > 63) {
memcpy(&context->buffer[j], data, (i = 64-j));
SHA1Transform(context->state, context->buffer);
for ( ; i + 63 < len; i += 64) {
SHA1Transform(context->state, &data[i]);
}
j = 0;
} else {
i = 0;
}
memcpy(&context->buffer[j], &data[i], len - i);
}
/* Add padding and return the message digest. */
static void SHA1Final(unsigned char digest[20], SHA1_CTX* context) {
unsigned long i;
unsigned char finalcount[8];
for (i = 0; i < 8; i++) {
finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)] >> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */
}
SHA1Update(context, (unsigned char *) "\200", 1);
while ((context->count[0] & 504) != 448) {
SHA1Update(context, (unsigned char *)"\0", 1);
}
SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
for (i = 0; i < 20; i++) {
digest[i] = (unsigned char) ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
}
/* Wipe variables */
i = 0;
memset(context->buffer, 0, 64);
memset(context->state, 0, 20);
memset(context->count, 0, 8);
memset(&finalcount, 0, 8);
#ifdef SHA1HANDSOFF /* make SHA1Transform overwrite it's own static vars */
SHA1Transform(context->state, context->buffer);
#endif
}
static Tcl_Obj* c_sha1__sha1_file(char* file) {
SHA1_CTX ctx;
unsigned char digest[20];
unsigned char buf[4096];
int fd;
ssize_t read_ret;
Tcl_Obj *ret;
fd = open(file, O_RDONLY);
if (fd < 0) {
return(NULL);
}
SHA1Init(&ctx);
while (1) {
read_ret = read(fd, buf, sizeof(buf));
if (read_ret == 0) {
break;
}
if (read_ret < 0) {
close(fd);
return(NULL);
}
SHA1Update(&ctx, buf, read_ret);
}
close(fd);
SHA1Final(digest, &ctx);
ret = Tcl_NewByteArrayObj(digest, sizeof(digest));
return(ret);
}
static int tcl_sha1__sha1_file(ClientData dummy, Tcl_Interp *ip, int objc, Tcl_Obj *CONST objv[]) {
char* _file;
Tcl_Obj* rv;
if (objc != 2) {
Tcl_WrongNumArgs(ip, 1, objv, "file");
return TCL_ERROR;
}
_file = Tcl_GetString(objv[1]);
rv = c_sha1__sha1_file(_file);
if (rv == NULL) {
return(TCL_ERROR);
}
Tcl_SetObjResult(ip, rv);
return TCL_OK;
}
static Tcl_Obj* c_sha1__sha1_string(Tcl_Obj* str) {
SHA1_CTX ctx;
unsigned char digest[20];
unsigned char *buf;
int buf_len;
Tcl_Obj *ret;
SHA1Init(&ctx);
buf = Tcl_GetByteArrayFromObj(str, &buf_len);
if (buf == NULL) {
return(NULL);
}
SHA1Update(&ctx, buf, buf_len);
SHA1Final(digest, &ctx);
ret = Tcl_NewByteArrayObj(digest, sizeof(digest));
return(ret);
}
static int tcl_sha1__sha1_string(ClientData dummy, Tcl_Interp *ip, int objc, Tcl_Obj *CONST objv[]) {
Tcl_Obj* _str;
Tcl_Obj* rv;
if (objc != 2) {
Tcl_WrongNumArgs(ip, 1, objv, "str");
return TCL_ERROR;
}
_str = objv[1];
rv = c_sha1__sha1_string(_str);
if (rv == NULL) {
return(TCL_ERROR);
}
Tcl_SetObjResult(ip, rv);
return TCL_OK;
}
int Sha1_Init(Tcl_Interp *interp) {
#ifdef USE_TCL_STUBS
if (Tcl_InitStubs(interp, TCL_VERSION, 0) == 0L) {
return TCL_ERROR;
}
#endif
Tcl_CreateObjCommand(interp, "sha1::_sha1_file", tcl_sha1__sha1_file, NULL, NULL);
Tcl_CreateObjCommand(interp, "sha1::_sha1_string", tcl_sha1__sha1_string, NULL, NULL);
Tcl_Eval(interp,
#include "sha1.tcl.h"
);
Tcl_PkgProvide(interp, "sha1", "1.0");
return(TCL_OK);
}
|
Modified sha1.tcl from [a8b3b2afbe] to [235aac1913].
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#! /usr/bin/env tclsh
proc sha1::sha1 args {
set outputmode "hex"
if {[lindex $args 0] == "-hex"} {
set outputmode "hex"
set args [lrange $args 1 end]
} elseif {[lindex $args 0] == "-bin"} {
set outputmode "binary"
set args [lrange $args 1 end]
}
if {[llength $args] == 2} {
set mode [lindex $args 0]
} elseif {[llength $args] == 1} {
set mode "-string"
} else {
return -code error "wrong # args: sha1::sha1 ?-bin|-hex? ?-channel channel|-file file|string?"
}
switch -- $mode {
"-channel" {
return -code error "Not implemented"
}
"-file" {
set output [_sha1_file [lindex $args end]]
}
"-string" {
set output [_sha1_string [lindex $args end]]
}
default {
return -code error "invalid mode: $mode, must be one of -channel or -file (or a plain string)"
}
}
if {$outputmode == "hex"} {
binary scan $output H* output
}
return $output
}
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