diff options
Diffstat (limited to 'src/tools/extract_syscalls.c')
-rw-r--r-- | src/tools/extract_syscalls.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/tools/extract_syscalls.c b/src/tools/extract_syscalls.c new file mode 100644 index 000000000..0e064a49e --- /dev/null +++ b/src/tools/extract_syscalls.c | |||
@@ -0,0 +1,91 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2014, 2015 netblue30 (netblue30@yahoo.com) | ||
3 | * | ||
4 | * This file is part of firejail project | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License along | ||
17 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
19 | */ | ||
20 | #include <stdio.h> | ||
21 | #include <stdlib.h>6 | ||
22 | #include <string.h> | ||
23 | |||
24 | #define BUFMAX 4096 | ||
25 | |||
26 | int main(int argc, char **argv) { | ||
27 | if (argc != 2) { | ||
28 | printf("usage: %s /media/ubuntu/usr/include/x86_64-linux-gnu/bits/syscall.h\n", argv[0]); | ||
29 | return 1; | ||
30 | } | ||
31 | |||
32 | //open file | ||
33 | FILE *fp = fopen(argv[1], "r"); | ||
34 | if (!fp) { | ||
35 | fprintf(stderr, "Error: cannot open file\n"); | ||
36 | return 1; | ||
37 | } | ||
38 | |||
39 | // read file | ||
40 | char buf[BUFMAX]; | ||
41 | while (fgets(buf, BUFMAX, fp)) { | ||
42 | // cleanup | ||
43 | char *start = buf; | ||
44 | while (*start == ' ' || *start == '\t') | ||
45 | start++; | ||
46 | char *end = strchr(start, '\n'); | ||
47 | if (end) | ||
48 | *end = '\0'; | ||
49 | |||
50 | // parsing | ||
51 | if (strncmp(start, "#endif", 6) == 0) | ||
52 | printf("%s\n", start); | ||
53 | if (strncmp(start, "#endif", 6) == 0) | ||
54 | printf("%s\n", start); | ||
55 | else if (strncmp(start, "#if", 3) == 0) | ||
56 | printf("%s\n", start); | ||
57 | else if (strncmp(start, "#define", 7) == 0) { | ||
58 | // extract data | ||
59 | char *ptr1 = strstr(start, "SYS_"); | ||
60 | char *ptr2 = strstr(start, "__NR_"); | ||
61 | if (!ptr1 || !ptr2) { | ||
62 | fprintf(stderr, "Error: cannot parse \"%s\"\n", start); | ||
63 | fclose(fp); | ||
64 | return 1; | ||
65 | } | ||
66 | *(ptr2 - 1) = '\0'; | ||
67 | |||
68 | char *ptr3 = ptr1; | ||
69 | while (*ptr3 != ' ' && *ptr3 != '\t' && *ptr3 != '\0') | ||
70 | ptr3++; | ||
71 | *ptr3 = '\0'; | ||
72 | ptr3 = ptr2; | ||
73 | while (*ptr3 != ' ' && *ptr3 != '\t' && *ptr3 != '\0') | ||
74 | ptr3++; | ||
75 | *ptr3 = '\0'; | ||
76 | |||
77 | ptr3 = ptr1; | ||
78 | while (*ptr3 != '_') | ||
79 | ptr3++; | ||
80 | ptr3++; | ||
81 | |||
82 | printf("#ifdef %s\n", ptr1); | ||
83 | printf("#ifdef %s\n", ptr2); | ||
84 | printf("\t{\"%s\", %s},\n", ptr3, ptr2); | ||
85 | printf("#endif\n"); | ||
86 | printf("#endif\n"); | ||
87 | } | ||
88 | } | ||
89 | fclose(fp); | ||
90 | return 0; | ||
91 | } | ||