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Comparing Urlader/urlader.c (file contents):
Revision 1.1 by root, Thu Dec 29 00:44:21 2011 UTC vs.
Revision 1.15 by root, Mon Jun 10 06:46:32 2013 UTC

1#ifndef URLADER 1/*
2# define URLADER "urlader" 2 * Copyright (c) 2012 Marc Alexander Lehmann <schmorp@schmorp.de>
3#endif 3 *
4#define URLADER_VERSION "1.0" 4 * Redistribution and use in source and binary forms, with or without modifica-
5 * tion, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
16 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
17 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
18 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
21 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
22 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
23 * OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * Alternatively, the contents of this file may be used under the terms of
26 * the GNU General Public License ("GPL") version 2 or any later version,
27 * in which case the provisions of the GPL are applicable instead of
28 * the above. If you wish to allow the use of your version of this file
29 * only under the terms of the GPL and not to allow others to use your
30 * version of this file under the BSD license, indicate your decision
31 * by deleting the provisions above and replace them with the notice
32 * and other provisions required by the GPL. If you do not delete the
33 * provisions above, a recipient may use your version of this file under
34 * either the BSD or the GPL.
35 */
36
37#include "urlib.h"
38#include "urlib.c"
5 39
6#include <stdio.h> 40#include <stdio.h>
7#include <stdlib.h> 41#include <stdlib.h>
8#include <unistd.h> 42#include <unistd.h>
9#include <errno.h> 43#include <errno.h>
10#include <string.h> 44#include <string.h>
11#include <time.h> 45#include <time.h>
12#include <fcntl.h>
13 46
14#include "lzf_d.c" 47#include "liblzf/lzf_d.c"
15 48
16#define TAIL_MAGIC "SCHMORPPACK0" 49/* some simple? dynamic memory management for paths might save ltos of ram */
17
18#ifdef _WIN32
19
20 #include <windows.h>
21 //#include <winbase.h>
22 #include <shlobj.h>
23 #include <shlwapi.h>
24 #include <wininet.h>
25
26 static DWORD dword;
27
28 #define u_handle HANDLE
29 #define u_setenv(name,value) SetEnvironmentVariable (name, value)
30 #define u_mkdir(path) !CreateDirectory (path, NULL)
31 #define u_chdir(path) !SetCurrentDirectory (path)
32 #define u_rename(fr,to) !MoveFile (fr, to)
33 #define u_open(path) CreateFile (path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL)
34 #define u_creat(path,exec) CreateFile (path, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, NULL)
35 #define u_close(handle) CloseHandle (handle)
36 #define u_append(path,add) PathAppend (path, add)
37 #define u_write(handle,data,len) (WriteFile (handle, data, len, &dword, 0) ? dword : -1)
38
39#else
40
41 #include <sys/mman.h>
42 #include <sys/types.h>
43 #include <pwd.h>
44
45 #ifdef PATH_MAX
46 #define MAX_PATH (PATH_MAX < 4096 ? 4096 : PATH_MAX)
47 #else
48 #define MAX_PATH 4096
49 #endif
50
51 #define u_handle int
52 #define u_setenv(name,value) setenv (name, value, 1)
53 #define u_mkdir(path) mkdir (path, 0777)
54 #define u_chdir(path) chdir (path)
55 #define u_rename(fr,to) rename (fr, to)
56 #define u_open(path) open (path, O_RDONLY) + 1
57 #define u_creat(path,exec) open (path, O_WRONLY | O_CREAT | O_TRUNC, (exec) ? 0777 : 0666) + 1
58 #define u_close(handle) close (handle - 1)
59 #define u_append(path,add) strcat (strcat (path, "/"), add)
60 #define u_write(handle,data,len) write ((handle) - 1, data, len)
61
62#endif
63
64#define u_16(ptr) (((ptr)[0] << 8) | (ptr)[1])
65#define u_32(ptr) (((ptr)[0] << 24) | ((ptr)[1] << 16) | ((ptr)[2] << 8) | (ptr)[3])
66
67static u_handle pack_handle; 50static u_handle pack_handle;
51static u_handle lock_handle;
68static char tmppath[MAX_PATH]; 52static char tmppath[MAX_PATH];
69static char currdir[MAX_PATH];
70static char datadir[MAX_PATH]; // %AppData%/urlader
71static char exe_dir[MAX_PATH]; // %AppData%/urlader/EXE_ID
72static char execdir[MAX_PATH]; // %AppData%/urlader/EXE_ID/EXE_VER
73static char exe_id[MAX_PATH];
74static char exe_ver[MAX_PATH];
75 53
76static int exe_argc; 54static int exe_argc;
77static const char *exe_argv[32]; 55static u_dynbuf exe_argv;
78 56static u_dynbuf exe_args; /* actual arguments strings copied here */
79static void
80fatal (const char *msg)
81{
82#ifdef _WIN32
83 MessageBox (0, msg, URLADER, 0);
84#else
85 fprintf (stderr, "%s: %s\n", URLADER, msg);
86#endif
87
88 _exit (1);
89}
90 57
91static void 58static void
92tmpdir (const char *dir) 59tmpdir (const char *dir)
93{ 60{
94 static int cnt; 61 static int cnt;
… …
113 _spawnv (P_WAIT, argv [0], argv); 80 _spawnv (P_WAIT, argv [0], argv);
114#else 81#else
115 pid_t pid = fork (); 82 pid_t pid = fork ();
116 83
117 if (pid < 0) 84 if (pid < 0)
118 fatal ("fork failure"); 85 u_fatal ("fork failure");
119 86
120 if (!pid) 87 if (!pid)
121 { 88 {
122 execv (argv [0], (void *)argv); 89 execv (argv [0], (void *)argv);
123 _exit (124); 90 _exit (124);
… …
139 const char *argv[] = { "/bin/rm", "-rf", path, 0 }; 106 const char *argv[] = { "/bin/rm", "-rf", path, 0 };
140 #endif 107 #endif
141 systemv (argv); 108 systemv (argv);
142} 109}
143 110
144static void
145execute (void)
146{
147 exe_argv [exe_argc] = 0;
148 systemv (exe_argv);
149}
150
151enum
152{
153 T_NULL, // 5
154 T_META, // 1 : exe_id, exe_ver
155 T_ARG, // 2 : arg
156 T_ENV, // 3 : name, value
157 T_DIR, // 4+: path
158 T_FILE, // 4+: path, data
159 T_NUM
160};
161
162enum
163{
164 F_EXEC = 1,
165 F_LZF = 2,
166 F_NULL = 0
167};
168
169struct hdr
170{
171 unsigned char type;
172 unsigned char flags;
173 unsigned char namelen[2];
174 unsigned char datalen[4];
175};
176
177struct tail {
178 unsigned char max_filesize[4];
179 unsigned char size[4];
180 char magic[12];
181};
182
183static char *pack_base, *pack_end; 111static char *pack_base, *pack_end;
112static struct u_pack_tail *pack_tail;
184static struct hdr *pack_cur; 113static struct u_pack_hdr *pack_cur;
114static char *scratch;
115static unsigned int scratch_size;
185 116
186#define PACK_NAME ((char *)(pack_cur + 1)) 117#define PACK_NAME ((char *)(pack_cur + 1))
187#define PACK_DATA (PACK_NAME + u_16 (pack_cur->namelen) + 1) 118#define PACK_DATA (PACK_NAME + u_16 (pack_cur->namelen) + 1)
188#define PACK_VALID pack_cur->type 119#define PACK_VALID pack_cur->type
189 120
190static void 121static void
191pack_next (void) 122pack_next (void)
192{ 123{
193 unsigned int d = u_32 (pack_cur->datalen); 124 unsigned int d = u_32 (pack_cur->datalen);
194 125
195 pack_cur = (struct hdr *)(PACK_DATA + d); 126 pack_cur = (struct u_pack_hdr *)(PACK_DATA + d);
196} 127}
197 128
198static void 129static void
199pack_unmap (void) 130pack_unmap (void)
200{ 131{
201 if (!pack_base) 132 if (pack_base)
202 return; 133 {
203
204#ifdef _WIN32
205 UnmapViewOfFile (pack_base);
206#else
207 munmap (pack_base, pack_end - pack_base); 134 u_munmap (pack_base, pack_end - pack_base);
208#endif 135 pack_base = 0;
136 }
137
138 if (scratch)
139 {
140 u_free (scratch, scratch_size);
141 scratch = 0;
142 }
209} 143}
210 144
211static int 145static int
212pack_map (void) 146pack_map (void)
213{ 147{
148 char *addr;
149 unsigned int size;
150
214#ifdef _WIN32 151#ifdef _WIN32
215 BY_HANDLE_FILE_INFORMATION fi; 152 BY_HANDLE_FILE_INFORMATION fi;
216 153
217 if (!GetFileInformationByHandle (pack_handle, &fi)) 154 if (!GetFileInformationByHandle (pack_handle, &fi))
218 return 0; 155 return 0;
219 156
220 if (fi.nFileSizeHigh) // too big 157 size = fi.nFileSizeLow;
158#else
159 size = lseek (pack_handle, 0, SEEK_END);
160#endif
161
162 addr = u_mmap (pack_handle, size);
163 if (!addr)
221 return 0; 164 return 0;
222 165
223 HANDLE handle = CreateFileMapping (pack_handle, 0, PAGE_READONLY, 0, fi.nFileSizeLow, NULL); 166 /*pack_unmap ();*/
224 167
225 if (!handle) 168 pack_base = addr;
169 pack_end = pack_base + size;
170
171 pack_tail = (void *)(pack_end - sizeof (*pack_tail));
172
173 if (memcmp (pack_tail->magic, TAIL_MAGIC, sizeof (TAIL_MAGIC) - 1))
226 return 0; 174 return 0;
227 175
228 pack_unmap (); 176 pack_cur = (struct u_pack_hdr *)(pack_end - u_32 (pack_tail->size));
229 177
230 pack_base = MapViewOfFile (handle, FILE_MAP_READ, 0, 0, fi.nFileSizeLow); 178 if (pack_cur->type != T_META)
231
232 CloseHandle (handle);
233
234 pack_end = pack_base + fi.nFileSizeLow;
235#else
236 off_t len = lseek (pack_handle - 1, 0, SEEK_END);
237
238 pack_unmap ();
239
240 pack_base = mmap (0, len, PROT_READ, MAP_SHARED, pack_handle - 1, 0);
241 if (pack_base == (void *)-1)
242 pack_base = 0;
243
244 pack_end = pack_base + len;
245#endif
246
247 if (!pack_base)
248 return 0; 179 return 0;
249 180
250 struct tail *tail; 181 scratch = u_malloc (scratch_size = u_32 (pack_tail->max_uncompressed));
251 182 if (!scratch)
252 tail = (void *)(pack_end - sizeof (*tail));
253
254 if (memcmp (tail->magic, TAIL_MAGIC, sizeof (TAIL_MAGIC) - 1))
255 return 0; 183 return 0;
256 184
257 pack_cur = (struct hdr *)(pack_end - u_32 (tail->size));
258
259 return 1; 185 return 1;
260} 186}
261 187
262static void 188static void
263exe_info (void) 189add_arg (char *arg, unsigned int len)
264{ 190{
265 if (!pack_map ()) 191 char *addr = u_dynbuf_append (&exe_args, arg, len);
266 fatal ("unable to locate packfile in executable - executable corrupted?"); 192 u_dynbuf_append (&exe_argv, &addr, sizeof (addr));
267
268 if (pack_cur->type != T_META)
269 fatal ("unable to locate executable metadata - executable corrupted?");
270
271 strcpy (exe_id, PACK_NAME);
272} 193}
273 194
274static void 195static void
275load (void) 196load (void)
276{ 197{
277 u_mkdir (datadir); 198 strcpy (exe_id , PACK_NAME);
278 199 strcpy (exe_ver, PACK_DATA);
279 strcpy (exe_dir, datadir); 200 u_set_exe_info ();
280 u_append (exe_dir, exe_id);
281 u_mkdir (exe_dir);
282 201
283 if (u_chdir (exe_dir)) 202 if (u_chdir (exe_dir))
284 fatal ("unable to change to application data directory"); 203 u_fatal ("unable to change to application data directory");
285 204
286 u_handle h = u_open ("override"); 205 u_handle h = u_open ("override");
287 if (h) 206 if (u_valid (h))
288 { 207 {
289 u_handle oh = pack_handle; 208 u_handle oh = pack_handle;
290 209
210 pack_unmap ();
291 pack_handle = h; 211 pack_handle = h;
212
292 if (!pack_map ()) 213 if (pack_map ()
214 && strcmp (exe_id , PACK_NAME) == 0
215 && strcmp (exe_ver, PACK_DATA) <= 0)
216 u_setenv ("URLADER_OVERRIDE", "override");
217 else
293 { 218 {
219 pack_unmap ();
294 pack_handle = oh; 220 pack_handle = oh;
295 oh = h; 221 oh = h;
222 pack_map ();
296 } 223 }
297 224
298 u_close (oh); 225 u_close (oh);
299 } 226 }
300 227
301 if (pack_cur->type != T_META)
302 fatal ("unable to locate override metadata");
303
304 strcpy (exe_ver, PACK_DATA); 228 strcpy (exe_ver, PACK_DATA);
229 u_set_exe_info ();
305 pack_next (); 230 pack_next ();
306 231
232 for (;;)
233 {
234 if (pack_cur->type == T_ENV)
235 u_setenv (PACK_NAME, PACK_DATA);
307 while (pack_cur->type == T_ARG) 236 else if (pack_cur->type == T_ARG)
308 { 237 add_arg (PACK_NAME, u_16 (pack_cur->namelen) + 1);
309 exe_argv [exe_argc++] = strdup (PACK_NAME); 238 else
239 break;
240
310 pack_next (); 241 pack_next ();
311 } 242 }
243
244done_env_arg:
312 245
313 while (pack_cur->type == T_ENV) 246 strcat (strcpy (tmppath, execdir), ".lck");
314 { 247 lock_handle = u_lock (tmppath, 0, 1);
315 u_setenv (PACK_NAME, PACK_DATA); 248 if (!lock_handle)
316 pack_next (); 249 u_fatal ("unable to lock application instance");
317 }
318
319 strcpy (execdir, exe_dir);
320 u_append (execdir, "i-");
321 strcat (execdir, exe_ver);
322 250
323 if (access (execdir, F_OK)) 251 if (access (execdir, F_OK))
324 { 252 {
325 // does not exist yet, so unpack and move 253 // does not exist yet, so unpack and move
326 tmpdir (exe_dir); 254 tmpdir (exe_dir);
327 255
328 if (u_chdir (tmppath)) 256 if (u_chdir (tmppath))
329 fatal ("unable to change to new instance directory"); 257 u_fatal ("unable to change to new instance directory");
330 258
331 for (;;) 259 for (;;)
332 { 260 {
333 switch (pack_cur->type) 261 switch (pack_cur->type)
334 { 262 {
… …
337 break; 265 break;
338 266
339 case T_FILE: 267 case T_FILE:
340 { 268 {
341 u_handle h = u_creat (PACK_NAME, pack_cur->flags & F_EXEC); 269 u_handle h = u_creat (PACK_NAME, pack_cur->flags & F_EXEC);
342 unsigned int len = u_32 (pack_cur->datalen); 270 unsigned int dlen, len = u_32 (pack_cur->datalen);
271 char *data = PACK_DATA;
343 272
273 if (pack_cur->flags & F_LZF)
274 if (dlen = lzf_decompress (data, len, scratch, scratch_size))
275 {
276 data = scratch;
277 len = dlen;
278 }
279 else
280 u_fatal ("unable to uncompress file data - pack corrupted?");
281
344 if (!h) 282 if (!u_valid (h))
345 fatal ("unable to unpack file from packfile - disk full?"); 283 u_fatal ("unable to unpack file from packfile - disk full?");
346 284
347 if (u_write (h, PACK_DATA, len) != len) 285 if (u_write (h, data, len) != len)
348 fatal ("unable to unpack file from packfile - disk full?"); 286 u_fatal ("unable to unpack file from packfile - disk full?");
349 287
288 u_fsync (h);
350 u_close (h); 289 u_close (h);
351 } 290 }
352 break; 291 break;
353 292
354 case T_NULL: 293 case T_NULL:
… …
358 pack_next (); 297 pack_next ();
359 } 298 }
360 299
361done: 300done:
362 if (u_chdir (datadir)) 301 if (u_chdir (datadir))
363 fatal ("unable to change to data directory"); 302 u_fatal ("unable to change to data directory");
303
304 u_sync ();
364 305
365 if (u_rename (tmppath, execdir)) 306 if (u_rename (tmppath, execdir))
366 deltree (tmppath); // if move fails, delete new, assume other process created it independently 307 deltree (tmppath); // if move fails, delete new, assume other process created it independently
367
368 if (u_chdir (execdir))
369 fatal ("unable to change to application instance directory");
370 } 308 }
371 309
372 pack_unmap (); 310 pack_unmap ();
373 u_close (pack_handle); 311 u_close (pack_handle);
374 312
313 if (u_chdir (execdir))
314 u_fatal ("unable to change to application instance directory");
315
375 u_setenv ("URLADER_VERSION", URLADER_VERSION); 316 u_setenv ("URLADER_VERSION", URLADER_VERSION);
376 u_setenv ("URLADER_DATADIR", datadir);
377 u_setenv ("URLADER_EXECDIR", execdir);
378 u_setenv ("URLADER_EXE_ID" , exe_id);
379 u_setenv ("URLADER_EXE_DIR", exe_dir);
380 u_setenv ("URLADER_EXE_VER", exe_ver);
381 317
318#if 0
382 // yes, this is overkill 319 // yes, this is overkill
383 u_setenv ("SHLIB_PATH" , execdir); // hpux 320 u_setenv ("SHLIB_PATH" , execdir); // hpux
384 u_setenv ("LIBPATH" , execdir); // aix 321 u_setenv ("LIBPATH" , execdir); // aix
385 u_setenv ("LD_LIBRARY_PATH" , execdir); // most elf systems 322 u_setenv ("LD_LIBRARY_PATH" , execdir); // most elf systems
386 u_setenv ("LD_LIBRARY_PATH_32", execdir); // solaris 323 u_setenv ("LD_LIBRARY_PATH_32", execdir); // solaris
387 u_setenv ("LD_LIBRARY_PATH_64", execdir); // solaris 324 u_setenv ("LD_LIBRARY_PATH_64", execdir); // solaris
388 u_setenv ("LD_LIBRARYN32_PATH", execdir); // irix 325 u_setenv ("LD_LIBRARYN32_PATH", execdir); // irix
389 u_setenv ("LD_LIBRARY64_PATH" , execdir); // irix 326 u_setenv ("LD_LIBRARY64_PATH" , execdir); // irix
390 u_setenv ("DYLD_LIBRARY_PATH" , execdir); // os sucks from apple 327 u_setenv ("DYLD_LIBRARY_PATH" , execdir); // os sucks from apple
328#endif
329}
330
331static void
332execute (void)
333{
334 char *null = 0;
335 u_dynbuf_append (&exe_argv, &null, sizeof (null));
336 systemv ((const char *const *)exe_argv.addr);
337}
338
339// this argc/argv is without argv [0]
340static void
341doit (int argc, char *argv[])
342{
343 int i;
344
345 u_setenv ("URLADER_CURRDIR", currdir);
346
347 u_set_datadir ();
348 u_mkdir (datadir);
349
350 if (!pack_map ())
351 u_fatal ("unable to map pack file - executable corrupted?");
352
353 load ();
354
355 while (argc--)
356 {
357 add_arg (*argv, strlen (*argv) + 1);
358 ++argv;
359 }
360
361 execute ();
391} 362}
392 363
393#ifdef _WIN32 364#ifdef _WIN32
394 365
395int APIENTRY 366int APIENTRY
396WinMain (HINSTANCE hI, HINSTANCE hP, LPSTR argv, int command_show) 367WinMain (HINSTANCE hI, HINSTANCE hP, LPSTR argv, int command_show)
397{ 368{
398 if (!GetModuleFileName (hI, tmppath, sizeof (tmppath))) 369 if (!GetModuleFileName (hI, tmppath, sizeof (tmppath)))
399 fatal ("unable to find executable pack"); 370 u_fatal ("unable to find executable pack");
400 371
372 u_setenv ("URLADER_EXEPATH", tmppath);
373
401 if (!(pack_handle = u_open (tmppath))) 374 pack_handle = u_open (tmppath);
375 if (!u_valid (pack_handle))
402 fatal ("unable to open executable pack"); 376 u_fatal ("unable to open executable pack");
403
404 exe_info ();
405 377
406 if (!GetCurrentDirectory (sizeof (currdir), currdir)) 378 if (!GetCurrentDirectory (sizeof (currdir), currdir))
407 strcpy (currdir, "."); 379 strcpy (currdir, ".");
408 380
409 if (SHGetFolderPath (0, CSIDL_APPDATA | CSIDL_FLAG_CREATE, NULL, SHGFP_TYPE_CURRENT, datadir) != S_OK) 381 doit (1, &argv);
410 fatal ("unable to find application data directory");
411
412 u_mkdir (datadir);
413 u_append (datadir, URLADER);
414
415 load ();
416 execute ();
417 382
418 return 0; 383 return 0;
419} 384}
420 385
421#else 386#else
422 387
423int 388int
424main (int argc, char *argv[]) 389main (int argc, char *argv[])
425{ 390{
426 char *home = getenv ("HOME");
427
428 // we assume fd 0 and 2 are "normal"
429
430 if (!(pack_handle = u_open (argv [0])))
431 fatal ("unable to open executable pack");
432
433 exe_info ();
434
435 if (!home)
436 {
437 struct passwd *pw;
438
439 if ((pw = getpwuid (getuid ())))
440 home = pw->pw_dir;
441 else
442 home = "/tmp";
443 }
444
445 if (!getcwd (currdir, sizeof (currdir))) 391 if (!getcwd (currdir, sizeof (currdir)))
446 strcpy (currdir, "."); 392 strcpy (currdir, ".");
447 393
448 u_mkdir (home); 394 {
449 sprintf (datadir, "%s/.%s", home, URLADER); 395 const char *exe_path = 0;
450 u_mkdir (datadir); 396
397 if (strchr (argv [0], '/'))
398 exe_path = argv [0];
399 else
400 {
401 const char *p, *path = getenv ("PATH");
402
403 if (!path)
404 u_fatal ("unable to find executable, try running with full path.");
405
406 for (p = path; ; )
407 {
408 const char *e = p;
409 int l;
410
411 while (*e && *e != ':')
412 ++e;
413
414 l = e - p;
415 memcpy (tmppath, p, l);
416
417 if (!l)
418 tmppath [l++] = '.';
419
420 tmppath [l++] = '/';
421
422 strcpy (tmppath + l, argv [0]);
423
424 if (!access (tmppath, X_OK))
425 break;
426
427 p = e;
428 if (!*p)
429 u_fatal ("unable to find executable, try running with full path.");
430
431 ++p;
432 }
433
434 exe_path = tmppath;
435 }
436
437 pack_handle = u_open (exe_path);
438 if (!u_valid (pack_handle))
439 u_fatal ("unable to open executable for reading - permissions problem?");
440
441 u_setenv ("URLADER_EXEPATH", exe_path);
442 }
443
444#if 0
445 /* intersperse hostname, for whatever reason */
451 446
452 if (gethostname (tmppath, sizeof (tmppath))) 447 if (gethostname (tmppath, sizeof (tmppath)))
453 strcpy (tmppath, "default"); 448 strcpy (tmppath, "default");
454 449
455 u_append (datadir, tmppath); 450 u_append (datadir, tmppath);
451#endif
456 452
457 load (); 453 doit (argc - 1, argv + 1);
458 execute ();
459 454
460 return 0; 455 return 0;
461} 456}
462 457
463#endif 458#endif

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