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