| 1 | /**/ |
| 2 | |
| 3 | #include <stdio.h> |
| 4 | #include <string.h> |
| 5 | #include <errno.h> |
| 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 | } |