FreeCalypso > hg > freecalypso-reveng
annotate mpffs/ls.c @ 138:8754c410c10d
leo-obj: starting to examine GPF OSL objects
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
---|---|
date | Mon, 07 Apr 2014 05:40:49 +0000 |
parents | 9bc7f0e03fa8 |
children |
rev | line source |
---|---|
30
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
1 /* |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
2 * This module contains the main function and other code specific to mpffs-ls |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
3 */ |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
4 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
5 #include <sys/types.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
6 #include <ctype.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
7 #include <stdio.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
8 #include <string.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
9 #include <strings.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
10 #include <stdlib.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
11 #include <unistd.h> |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
12 #include "types.h" |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
13 #include "struct.h" |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
14 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
15 extern char *imgfile; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
16 extern struct objinfo root; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
17 extern int verbose; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
18 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
19 char workpath[512]; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
20 |
39
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
21 void |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
22 extra_chunk_callback(obj, opaque) |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
23 struct objinfo *obj; |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
24 u_long opaque; |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
25 { |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
26 size_t *accump = (size_t *) opaque; |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
27 struct chunkinfo chi; |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
28 |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
29 size_extra_chunk(obj, &chi); |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
30 *accump += chi.len; |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
31 } |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
32 |
31
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
33 size_t |
30
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
34 get_file_size(head) |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
35 struct objinfo *head; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
36 { |
31
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
37 struct chunkinfo chi; |
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
38 size_t accum; |
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
39 |
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
40 size_head_chunk(head, &chi); |
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
41 accum = chi.len; |
39
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
42 iterate_extra_chunks(head->descend, extra_chunk_callback, |
9bc7f0e03fa8
iterate_extra_chunks() function written, mpffs-ls converted to use it
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
32
diff
changeset
|
43 (u_long) &accum); |
31
3cca8070ef0f
mpffs-ls reports file sizes
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
30
diff
changeset
|
44 return(accum); |
30
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
45 } |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
46 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
47 dump_dir(firstent, path_prefix) |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
48 { |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
49 int ent; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
50 struct objinfo obj; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
51 u_long size; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
52 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
53 for (ent = firstent; ent != 0xFFFF; ent = obj.sibling) { |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
54 obj.entryno = ent; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
55 get_index_entry(&obj); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
56 if (!obj.type) /* skip deleted objects w/o further validation */ |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
57 continue; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
58 validate_chunk(&obj); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
59 validate_obj_name(&obj); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
60 if (path_prefix + strlen(obj.dataptr) + 2 > sizeof workpath) { |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
61 fprintf(stderr, |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
62 "handling object at index %x, name \"%s\": path buffer overflow\n", |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
63 obj.entryno, (char *)obj.dataptr); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
64 exit(1); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
65 } |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
66 sprintf(workpath + path_prefix, "/%s", (char *)obj.dataptr); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
67 switch (obj.type) { |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
68 case 0xF2: |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
69 /* directory */ |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
70 printf("d %s\n", workpath); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
71 dump_dir(obj.descend, strlen(workpath)); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
72 continue; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
73 case 0xF1: |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
74 /* regular file */ |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
75 size = get_file_size(&obj); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
76 printf("- %7lu %s\n", size, workpath); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
77 continue; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
78 case 0xE1: |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
79 /* special .journal file */ |
32
0bf037ba4149
mpffs-ls: report the full chunk length of the /.journal file
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
31
diff
changeset
|
80 printf("j %7lu %s\n", (u_long) obj.len, workpath); |
30
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
81 continue; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
82 default: |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
83 printf("%s (index entry #%x): unexpected type %02X; skipping\n", |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
84 workpath, obj.entryno, obj.type); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
85 continue; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
86 } |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
87 } |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
88 } |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
89 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
90 usage() |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
91 { |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
92 fprintf(stderr, "usage: mpffs-ls [options] ffs-image\n"); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
93 exit(1); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
94 } |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
95 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
96 main(argc, argv) |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
97 char **argv; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
98 { |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
99 extern int optind; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
100 |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
101 parse_cmdline_options(argc, argv); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
102 if (argc - optind != 1) |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
103 usage(); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
104 imgfile = argv[optind]; |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
105 preliminaries(); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
106 dump_dir(root.descend, 0); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
107 exit(0); |
9c3c5a572b57
mpffs-ls works with the length code stubbed out
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
108 } |