1: /*************************************************************************
2: * (C) 2012 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
6: * $Id: aitwww.h,v 1.1.1.1.2.1 2012/03/09 09:38:55 misho Exp $
7: *
8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
46: #ifndef __AITWWW_H
47: #define __AITWWW_H
48:
49:
50: #include <sys/types.h>
51: #include <sys/queue.h>
52: #include <sys/uio.h>
53:
54:
55: struct tagCGI {
56: char *cgi_name;
57: char *cgi_value;
58:
59: SLIST_ENTRY(tagCGI) cgi_node;
60: };
61: typedef SLIST_HEAD(, tagCGI) cgi_t;
62:
63: struct tagMIME;
64: typedef SLIST_HEAD(, tagMIME) mime_t;
65:
66: struct tagMIME {
67: cgi_t mime_header;
68:
69: struct iovec mime_body;
70: struct iovec mime_prolog;
71: struct iovec mime_epilog;
72:
73: mime_t *mime_attach;
74:
75: SLIST_ENTRY(tagMIME) mime_node;
76: };
77:
78:
79: // www_GetErrno() Get error code of last operation
80: inline int www_GetErrno();
81: // www_GetError() Get error text of last operation
82: inline const char *www_GetError();
83:
84:
85: /*
86: * www_initCGI() - Init CGI program
87: *
88: * return: NULL error or allocated cgi session
89: */
90: cgi_t *www_initCGI(void);
91: /*
92: * www_closeCGI() - Close and free all CGI resources
93: *
94: * @cgi = Inited cgi session
95: * return: none
96: */
97: void www_closeCGI(cgi_t ** __restrict cgi);
98: /*
99: * www_parseQuery() - Parse CGI query string
100: *
101: * @str = String
102: * return: NULL error or allocated cgi session
103: */
104: cgi_t *www_parseQuery(const char *str);
105: /*
106: * www_parseMultiPart() - Parse Multi part POST CGI query string
107: *
108: * @str = String
109: * @ctlen = Content length
110: * @ct = Content type
111: * return: NULL error or allocated cgi session
112: */
113: cgi_t *www_parseMultiPart(const char *str, int ctlen, const char *ct);
114: /*
115: * www_getValue() - Get Value from CGI session
116: *
117: * @cgi = Inited cgi session
118: * @name = Name of cgi variable
119: * return: NULL not found or !=NULL value
120: */
121: inline const char *www_getValue(cgi_t * __restrict cgi, const char *name);
122: /*
123: * www_addValue() - Add new or update if exists CGI variable
124: *
125: * @cgi = Inited cgi session
126: * @name = Name of cgi variable
127: * @value = Value of cgi variable
128: * return: -1 error, 0 add new one or 1 updated variable
129: */
130: int www_addValue(cgi_t * __restrict cgi, const char *name, const char *value);
131: /*
132: * www_delPair() - Delete CGI variable from session
133: *
134: * @cgi = Inited cgi session
135: * @name = Name of cgi variable
136: * return: -1 error, 0 not found or 1 deleted ok
137: */
138: int www_delPair(cgi_t * __restrict cgi, const char *name);
139:
140: /*
141: * www_header() - Output initial html header
142: *
143: * @output = file handle
144: * return: <1 error or >0 writed bytes
145: */
146: inline int www_header(FILE *output);
147:
148: /*
149: * www_parseAttributes() - Parse attributes
150: *
151: * @ct = Content type
152: * return: NULL error or !=NULL attributes
153: */
154: inline cgi_t *www_parseAttributes(const char **ct);
155: /*
156: * www_freeAttributes() - Free attributes
157: *
158: * @attr = Attributes
159: * return: none
160: */
161: inline void www_freeAttributes(cgi_t ** __restrict attr);
162: /*
163: * www_getAttribute() - Get attribute by name
164: *
165: * @attr = Attributes
166: * @name = Name of attribute
167: * return: NULL not found or !=NULL attribute value
168: */
169: inline const char *www_getAttribute(cgi_t * __restrict attr, const char *name);
170:
171:
172: #endif
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