gemini server written in C used with inetd
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vger/vger.h

57 lines
1.5 KiB

#ifndef vger_h_INCLUDED
#define vger_h_INCLUDED
/* length of "gemini://" */
#define GEMINI_PART 9
/*
* number of bytes to read with fgets() : 2014 + 1.
* fgets() reads at most size-1 (1024 here).
* See https://gemini.circumlunar.space/docs/specification.html.
*/
#define GEMINI_REQUEST_MAX 1025
/* max subexpression in regex : 3 + 1 */
#define SE_MAX 4
/* gemini_regex:
* =============
* ^gemini://+ : in case of gemini:///
* 1: hostname
* ([^/|^\?|^:]*) :
* catch everything, stop when /, ? or : is found
* don't catch :port
* [:[0-9]*]? : skip :1234 (port number) if any
* / * : skip "/" if any
* 2: path
* ([^\?]*) :
* catch everything and stop at ? if any
* 3 : query
* [\?]?(.*)$:
* catch everything after ? if any
*/
static const char *_gemini_regex =
"^gemini://+([^/|^\?|^:]*)[:[0-9]*]?/*([^\?]*)[\?]?(.*)$";
/* global vars */
static int _retcode = 0;
static ssize_t _datasiz = 0;
static char _request[GEMINI_REQUEST_MAX] = {'\0'};
/* functions */
ssize_t autoindex(const char *);
void cgi(const char *);
char * read_request(char *);
void check_path(char *, size_t);
ssize_t display_file(const char *);
int do_cgi(const char *, const char *, const char *, const char *);
void drop_privileges(const char *);
void set_rootdir(const char *, const char *, const char *);
void remove_double_dot(char *);
void split_request(const char *, char *, char *, char *);
void status(const int, const char *, ...);
void stop(const int, const char *, ...);
int uridecode (char *);
#endif // vger_h_INCLUDED