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1 | /**/ |
2 | |
3 | #include <stdio.h> |
4 | #include <string.h> |
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5 | #include <errno.h> |
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6 | |
7 | #include "ucgi.h" |
8 | |
9 | const char *const envok[]= { |
10 | "CONTENT_LENGTH", |
11 | "CONTENT_TYPE", |
12 | "DOCUMENT_ROOT", |
13 | "GATEWAY_INTERFACE", |
14 | "HTTP_ACCEPT", |
15 | "HTTP_ACCEPT_ENCODING", |
16 | "HTTP_ACCEPT_LANGUAGE", |
17 | "HTTP_CACHE_CONTROL", |
18 | "HTTP_HOST", |
19 | "HTTP_NEGOTIATE", |
20 | "HTTP_PRAGMA", |
21 | "HTTP_USER_AGENT", |
22 | "PATH_INFO", |
23 | "PATH_TRANSLATED", |
24 | "QUERY_STRING", |
25 | "REMOTE_ADDR", |
26 | "REMOTE_HOST", |
27 | "REMOTE_USER", |
28 | "REMOTE_IDENT", |
29 | "REQUEST_METHOD", |
30 | "SCRIPT_FILENAME", |
31 | "SCRIPT_NAME", |
32 | "SCRIPT_URI", |
33 | "SCRIPT_URL", |
34 | "SERVER_ADMIN", |
35 | "SERVER_NAME", |
36 | "SERVER_PORT", |
37 | "SERVER_PROTOCOL", |
38 | "SERVER_SOFTWARE", |
39 | 0 |
40 | }; |
41 | const int nenvok= sizeof(envok)/sizeof(envok[0]); |
42 | |
43 | int debugmode= 0; |
44 | |
45 | static void outerror(void) { |
46 | perror("stdout"); |
47 | exit(debugmode ? 0 : -1); |
48 | } |
49 | |
50 | void syserror(const char *m) { |
51 | if (printf("Content-Type: text/plain\n\n" |
52 | "ucgi: system call error:\n" |
53 | "%s: %s\n", |
54 | m,strerror(errno))==EOF || fflush(stdout)) outerror(); |
55 | exit(0); |
56 | } |
57 | |
58 | void error(const char *m) { |
59 | if (printf("Content-Type: text/plain\n\n" |
60 | "ucgi: error:\n" |
61 | "%s\n", |
62 | m)==EOF || fflush(stdout)) outerror(); |
63 | exit(0); |
64 | } |
65 | |
66 | void *xmalloc(size_t sz) { |
67 | void *r; |
68 | |
69 | r= malloc(sz); |
70 | if (!r) syserror("malloc failed"); |
71 | return r; |
72 | } |
73 | |
74 | void xsetenv(const char *en, const char *ev, int overwrite) { |
75 | if (setenv(en,ev,overwrite)) syserror("setenv"); |
76 | } |