1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
6: * $Id: url.c,v 1.2 2010/03/09 09:26:27 misho Exp $
7: *
8: *************************************************************************/
9: #include "global.h"
10:
11:
12: /*
13: * ioURLGet() Parse and get data from input URL
14: * @csURL = Input URL line
15: * @url = Output parsed URL
16: * return: 0 error format not find tech:// and return URL like path;
17: -1 error:: can`t read; >0 ok, up bits for known elements
18: */
19: int ioURLGet(const char *csURL, struct tagIOURL *url)
20: {
21: char *pos, *at, *cl, *sl;
22: int ret = 0;
23:
24: if (!url)
25: return -1;
26: else
27: memset(url, 0, sizeof(*url));
28:
29: strlcpy((char*) url->url_line, csURL, BUFSIZ);
30: // Tech
31: if (!(pos = strstr((char*) url->url_line, "://"))) {
32: url->url_path.vallen = strlen((char*) url->url_line);
33: url->url_path.value = (char*) url->url_line;
34: return ret;
35: } else {
36: url->url_tech.value = (char*) url->url_line;
37: url->url_tech.vallen = pos - (char*) url->url_line;
38: if (url->url_tech.vallen)
39: ret |= 1;
40:
41: *pos = 0;
42: pos += 3;
43: }
44:
45: // User
46: if ((at = strchr(pos, '@'))) {
47: *at++ = 0;
48: // Pass
49: if ((cl = strchr(pos, ':'))) {
50: *cl++ = 0;
51:
52: url->url_pass.value = cl;
53: url->url_pass.vallen = at - cl - 1;
54: if (url->url_pass.vallen)
55: ret |= 4;
56: } else
57: cl = at;
58:
59: url->url_user.value = pos;
60: url->url_user.vallen = cl - pos - 1;
61: if (url->url_user.vallen)
62: ret |= 2;
63:
64: pos = at;
65: }
66:
67: // Host
68: if ((sl = strchr(pos, '/')))
69: *sl++ = 0;
70: else
71: sl = pos + strlen(pos) + 1;
72: // Port
73: if ((cl = strchr(pos, ':'))) {
74: *cl++ = 0;
75:
76: url->url_port.value = cl;
77: url->url_port.vallen = sl - cl - 1;
78: if (url->url_port.vallen)
79: ret |= 16;
80: } else
81: cl = sl;
82:
83: url->url_host.value = pos;
84: url->url_host.vallen = cl - pos - 1;
85: if (url->url_host.vallen)
86: ret |= 8;
87:
88: pos = sl;
89:
90: // Args
91: if ((at = strchr(pos, '?'))) {
92: *at++ = 0;
93:
94: url->url_args.value = at;
95: url->url_args.vallen = strlen(at);
96: if (url->url_args.vallen)
97: ret |= 64;
98: } else
99: at = pos + strlen(pos) + 1;
100:
101: // Path
102: url->url_path.value = pos;
103: url->url_path.vallen = at - pos - 1;
104: if (url->url_path.vallen)
105: ret |= 32;
106:
107: pos = at + strlen(at);
108:
109: // Reserved
110: url->url_reserved = pos;
111: if (*pos)
112: ret |= 128;
113:
114: return ret;
115: }
116:
117: /*
118: * io_MakeArray() Parse and make array of arguments values
119: * @psArgs = Input arguments line
120: * @csDelim = Delimiter(s) for separate
121: * @args = Output array of arguments ... (must be free() after procced function!)
122: * @nargs = Requested count of arguments
123: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
124: */
125: inline int io_MakeArray(char * __restrict psArgs, const char *csDelim, char *** __restrict args, int nargs)
126: {
127: char **app;
128: register int i;
129:
130: if (!psArgs || !csDelim || !args || !nargs)
131: return -1;
132: if (!(*args = malloc(sizeof(char*) * nargs))) {
133: LOGERR;
134: return -1;
135: } else
136: memset(*args, 0, sizeof(char*) * nargs);
137:
138: for (i = 0, app = *args; app < *args + nargs && (*app = strsep(&psArgs, csDelim));
139: **app ? i++ : i, **app ? app++ : app);
140: return i;
141: }
142: /*
143: * io_SizeArray() Parse and calculate size of array
144: * @csArgs = Input arguments line
145: * @csDelim = Delimiter(s) for separate
146: * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
147: */
148: inline int io_SizeArray(const char *csArgs, const char *csDelim)
149: {
150: register int res;
151: char *pos;
152:
153: if (!csArgs || !csDelim)
154: return -1;
155:
156: for (res = 1, pos = (char*) csArgs; (pos = strpbrk(pos, csDelim)); res++, pos++);
157: return res;
158: }
159: /*
160: * io_MakeAV() Parse and make attribute/value pair
161: * @csArgs = Input argument line
162: * @csDelim = Delimiter for separate
163: * @psAttr = Output Attribute
164: * @attrLen = Size of attribute array
165: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
166: * @valLen = Size of value array
167: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
168: */
169: inline int io_MakeAV(const char * __restrict csArgs, const char *csDelim,
170: char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen)
171: {
172: register int ret = 0;
173: char *pos, *psBuf;
174:
175: if (!csArgs || !csDelim || !psAttr || !attrLen)
176: return -1;
177: if (psValue && !valLen)
178: return -1;
179: else
180: memset(psValue, 0, valLen);
181: psBuf = strdup(csArgs);
182: if (!psBuf) {
183: LOGERR;
184: return -1;
185: }
186:
187: pos = strpbrk(psBuf, csDelim);
188: if (pos)
189: *pos++ = 0;
190: ret++;
191: strlcpy(psAttr, psBuf, attrLen);
192:
193: if (pos && *pos) {
194: ret++;
195: if (psValue)
196: strlcpy(psValue, pos, valLen);
197: }
198:
199: free(psBuf);
200: return ret;
201: }
202:
203: /*
204: * io_Path2File() Parse and make path/filename pair
205: * @csArgs = Input argument line
206: * @psPath = Output Path, if ==NULL path not returned
207: * @pathLen = Size of path array
208: * @psFile = Output File
209: * @fileLen = Size of file array
210: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
211: */
212: inline int io_Path2File(const char * __restrict csArgs, char * __restrict psPath, int pathLen,
213: char * __restrict psFile, int fileLen)
214: {
215: char *pos, *psBuf;
216:
217: if (!csArgs || !psFile || !fileLen)
218: return -1;
219: if (psPath && !pathLen)
220: return -1;
221: else
222: memset(psPath, 0, pathLen);
223: psBuf = strdup(csArgs);
224: if (!psBuf) {
225: LOGERR;
226: return -1;
227: }
228:
229: pos = strrchr(psBuf, '/');
230: if (!pos) {
231: strlcpy(psFile, psBuf, fileLen);
232:
233: free(psBuf);
234: return 1;
235: } else
236: *pos++ = 0;
237:
238: strlcpy(psFile, pos, fileLen);
239: if (psPath)
240: strlcpy(psPath, psBuf, pathLen);
241:
242: free(psBuf);
243: return 2;
244: }
245:
246: /*
247: * ioURLGetValue() Get value from parsed URL
248: * @url = Input parsed URL
249: * @csAttr = Attribute for search
250: * @psValue = Return value of attribute, if ==NULL only check for existence of attribute
251: * @valLen = Size of psValue array
252: * return: 0 error attribute not find; -1 error:: can`t read; >0 ok, find at position
253: */
254: int ioURLGetValue(struct tagIOURL *url, const char *csAttr, char * __restrict psValue, int valLen)
255: {
256: register int i, ret = 0;
257: char szBuf[BUFSIZ], **items, szElem[2][BUFSIZ];
258: int len;
259:
260: if (!url || !csAttr)
261: return -1;
262:
263: strlcpy(szBuf, url->url_args.value, BUFSIZ);
264: if (io_MakeArray(szBuf, "&", &items, (len = io_SizeArray(szBuf, "&"))) < 1)
265: return ret;
266:
267: for (i = 0; i < len && items[i]; i++) {
268: if (io_MakeAV(items[i], "=", szElem[0], BUFSIZ, szElem[1], BUFSIZ) < 1)
269: continue;
270:
271: if (!strcmp(szElem[0], csAttr)) {
272: ret = i + 1;
273: if (psValue && valLen)
274: strlcpy(psValue, szElem[1], valLen);
275: break;
276: }
277: }
278:
279: free(items);
280: return ret;
281: }
282:
283: /*
284: * ioURLGetFile() Get file from parsed URL
285: * @url = Input parsed URL
286: * @psValue = Return filename, if not specified file in url path, replace with /
287: * @valLen = Size of psValue array
288: * return: -1 error:: can`t read; 0 ok
289: */
290: int ioURLGetFile(struct tagIOURL *url, char * __restrict psValue, int valLen)
291: {
292: if (!url || !psValue || !valLen)
293: return -1;
294:
295: if (io_Path2File(url->url_path.value, NULL, 0, psValue, valLen) < 1)
296: return -1;
297:
298: // If not specified file in path, default replace to /
299: if (!*psValue)
300: strlcpy(psValue, "/", valLen);
301: return 0;
302: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to url.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / libaitio / src