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[/] [or1k/] [trunk/] [rtems/] [c/] [src/] [librpc/] [src/] [rpc/] [getrpcent.c] - Blame information for rev 1765

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/*
 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
 * unrestricted use provided that this legend is included on all tape
 * media and as a part of the software program in whole or part.  Users
 * may copy or modify Sun RPC without charge, but are not authorized
 * to license or distribute it to anyone else except as part of a product or
 * program developed by the user or with the express written consent of
 * Sun Microsystems, Inc.
 *
 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
 *
 * Sun RPC is provided with no support and without any obligation on the
 * part of Sun Microsystems, Inc. to assist in its use, correction,
 * modification or enhancement.
 *
 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
 * OR ANY PART THEREOF.
 *
 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
 * or profits or other special, indirect and consequential damages, even if
 * Sun has been advised of the possibility of such damages.
 *
 * Sun Microsystems, Inc.
 * 2550 Garcia Avenue
 * Mountain View, California  94043
 */
 
#if defined(LIBC_SCCS) && !defined(lint)
/*static char *sccsid = "from: @(#)getrpcent.c 1.14 91/03/11 Copyr 1984 Sun Micro";*/
static char *rcsid = "$FreeBSD: src/lib/libc/rpc/getrpcent.c,v 1.10 1999/08/28 00:00:39 peter Exp $";
#endif
 
/*
 * Copyright (c) 1984 by Sun Microsystems, Inc.
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <string.h>
#include <rpc/rpc.h>
#ifdef YP
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#endif
 
/*
 * Internet version.
 */
struct rpcdata {
        FILE    *rpcf;
        int     stayopen;
#define MAXALIASES      35
        char    *rpc_aliases[MAXALIASES];
        struct  rpcent rpc;
        char    line[BUFSIZ+1];
#ifdef  YP
        char    *domain;
        char    *current;
        int     currentlen;
#endif
} *rpcdata;
 
#ifdef  YP
static int      __yp_nomap = 0;
extern int _yp_check(char **);
#endif  /* YP */
 
static  struct rpcent *interpret();
struct  hostent *gethostent();
char    *inet_ntoa();
 
static char RPCDB[] = "/etc/rpc";
 
static struct rpcdata *
_rpcdata()
{
        register struct rpcdata *d = rpcdata;
 
        if (d == 0) {
                d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));
                rpcdata = d;
        }
        return (d);
}
 
struct rpcent *
getrpcbynumber(number)
        register int number;
{
        register struct rpcdata *d = _rpcdata();
        register struct rpcent *p;
#ifdef  YP
        int reason;
        char adrstr[16];
#endif
 
        if (d == 0)
                return (0);
#ifdef  YP
        if (!__yp_nomap && _yp_check(&d->domain)) {
                sprintf(adrstr, "%d", number);
                reason = yp_match(d->domain, "rpc.bynumber", adrstr, strlen(adrstr),
                                  &d->current, &d->currentlen);
                switch(reason) {
                case 0:
                        break;
                case YPERR_MAP:
                        __yp_nomap = 1;
                        goto no_yp;
                        break;
                default:
                        return(0);
                        break;
                }
                d->current[d->currentlen] = '\0';
                p = interpret(d->current, d->currentlen);
                (void) free(d->current);
                return p;
        }
no_yp:
#endif  /* YP */
        setrpcent(0);
        while ((p = getrpcent())) {
                if (p->r_number == number)
                        break;
        }
        endrpcent();
        return (p);
}
 
struct rpcent *
getrpcbyname(name)
        char *name;
{
        struct rpcent *rpc = NULL;
        char **rp;
 
        setrpcent(0);
        while ((rpc = getrpcent())) {
                if (strcmp(rpc->r_name, name) == 0)
                        goto done;
                for (rp = rpc->r_aliases; *rp != NULL; rp++) {
                        if (strcmp(*rp, name) == 0)
                                goto done;
                }
        }
done:
        endrpcent();
        return (rpc);
}
 
void
setrpcent(f)
        int f;
{
        register struct rpcdata *d = _rpcdata();
 
        if (d == 0)
                return;
#ifdef  YP
        if (!__yp_nomap && _yp_check(NULL)) {
                if (d->current)
                        free(d->current);
                d->current = NULL;
                d->currentlen = 0;
                return;
        }
        __yp_nomap = 0;
#endif  /* YP */
        if (d->rpcf == NULL)
                d->rpcf = fopen(RPCDB, "r");
        else
                rewind(d->rpcf);
        d->stayopen |= f;
}
 
void
endrpcent()
{
        register struct rpcdata *d = _rpcdata();
 
        if (d == 0)
                return;
#ifdef  YP
        if (!__yp_nomap && _yp_check(NULL)) {
                if (d->current && !d->stayopen)
                        free(d->current);
                d->current = NULL;
                d->currentlen = 0;
                return;
        }
        __yp_nomap = 0;
#endif  /* YP */
        if (d->rpcf && !d->stayopen) {
                fclose(d->rpcf);
                d->rpcf = NULL;
        }
}
 
struct rpcent *
getrpcent()
{
        register struct rpcdata *d = _rpcdata();
#ifdef  YP
        struct rpcent *hp;
        int reason;
        char *val = NULL;
        int vallen;
#endif
 
        if (d == 0)
                return(NULL);
#ifdef  YP
        if (!__yp_nomap && _yp_check(&d->domain)) {
                if (d->current == NULL && d->currentlen == 0) {
                        reason = yp_first(d->domain, "rpc.bynumber",
                                          &d->current, &d->currentlen,
                                          &val, &vallen);
                } else {
                        reason = yp_next(d->domain, "rpc.bynumber",
                                         d->current, d->currentlen,
                                         &d->current, &d->currentlen,
                                         &val, &vallen);
                }
                switch(reason) {
                case 0:
                        break;
                case YPERR_MAP:
                        __yp_nomap = 1;
                        goto no_yp;
                        break;
                default:
                        return(0);
                        break;
                }
                val[vallen] = '\0';
                hp = interpret(val, vallen);
                (void) free(val);
                return hp;
        }
no_yp:
#endif  /* YP */
        if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)
                return (NULL);
        /* -1 so there is room to append a \n below */
        if (fgets(d->line, BUFSIZ - 1, d->rpcf) == NULL)
                return (NULL);
        return (interpret(d->line, strlen(d->line)));
}
 
static struct rpcent *
interpret(val, len)
        char *val;
        int len;
{
        register struct rpcdata *d = _rpcdata();
        char *p;
        register char *cp, **q;
 
        if (d == 0)
                return (0);
        (void) strncpy(d->line, val, BUFSIZ);
        d->line[BUFSIZ] = '\0';
        p = d->line;
        p[len] = '\n';
        if (*p == '#')
                return (getrpcent());
        cp = strpbrk(p, "#\n");
        if (cp == NULL)
                return (getrpcent());
        *cp = '\0';
        cp = strpbrk(p, " \t");
        if (cp == NULL)
                return (getrpcent());
        *cp++ = '\0';
        /* THIS STUFF IS INTERNET SPECIFIC */
        d->rpc.r_name = d->line;
        while (*cp == ' ' || *cp == '\t')
                cp++;
        d->rpc.r_number = atoi(cp);
        q = d->rpc.r_aliases = d->rpc_aliases;
        cp = strpbrk(cp, " \t");
        if (cp != NULL)
                *cp++ = '\0';
        while (cp && *cp) {
                if (*cp == ' ' || *cp == '\t') {
                        cp++;
                        continue;
                }
                if (q < &(d->rpc_aliases[MAXALIASES - 1]))
                        *q++ = cp;
                cp = strpbrk(cp, " \t");
                if (cp != NULL)
                        *cp++ = '\0';
        }
        *q = NULL;
        return (&d->rpc);
}
 

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[/] [or1k/] [trunk/] [rtems/] [c/] [src/] [librpc/] [src/] [rpc/] [getrpcent.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	158	chris	`/*`
2			`* Sun RPC is a product of Sun Microsystems, Inc. and is provided for`
3			`* unrestricted use provided that this legend is included on all tape`
4			`* media and as a part of the software program in whole or part. Users`
5			`* may copy or modify Sun RPC without charge, but are not authorized`
6			`* to license or distribute it to anyone else except as part of a product or`
7			`* program developed by the user or with the express written consent of`
8			`* Sun Microsystems, Inc.`
9			`*`
10			`* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE`
11			`* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR`
12			`* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.`
13			`*`
14			`* Sun RPC is provided with no support and without any obligation on the`
15			`* part of Sun Microsystems, Inc. to assist in its use, correction,`
16			`* modification or enhancement.`
17			`*`
18			`* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE`
19			`* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC`
20			`* OR ANY PART THEREOF.`
21			`*`
22			`* In no event will Sun Microsystems, Inc. be liable for any lost revenue`
23			`* or profits or other special, indirect and consequential damages, even if`
24			`* Sun has been advised of the possibility of such damages.`
25			`*`
26			`* Sun Microsystems, Inc.`
27			`* 2550 Garcia Avenue`
28			`* Mountain View, California 94043`
29			`*/`
30
31			`#if defined(LIBC_SCCS) && !defined(lint)`
32			`/static char sccsid = "from: @(#)getrpcent.c 1.14 91/03/11 Copyr 1984 Sun Micro";*/`
33			`static char *rcsid = "$FreeBSD: src/lib/libc/rpc/getrpcent.c,v 1.10 1999/08/28 00:00:39 peter Exp $";`
34			`#endif`
35
36			`/*`
37			`* Copyright (c) 1984 by Sun Microsystems, Inc.`
38			`*/`
39
40			`#include <stdio.h>`
41			`#include <stdlib.h>`
42			`#include <sys/types.h>`
43			`#include <string.h>`
44			`#include <rpc/rpc.h>`
45			`#ifdef YP`
46			`#include <rpcsvc/yp_prot.h>`
47			`#include <rpcsvc/ypclnt.h>`
48			`#endif`
49
50			`/*`
51			`* Internet version.`
52			`*/`
53			`struct rpcdata {`
54			`FILE *rpcf;`
55			`int stayopen;`
56			`#define MAXALIASES 35`
57			`char *rpc_aliases[MAXALIASES];`
58			`struct rpcent rpc;`
59			`char line[BUFSIZ+1];`
60			`#ifdef YP`
61			`char *domain;`
62			`char *current;`
63			`int currentlen;`
64			`#endif`
65			`} *rpcdata;`
66
67			`#ifdef YP`
68			`static int __yp_nomap = 0;`
69			`extern int _yp_check(char **);`
70			`#endif /* YP */`
71
72			`static struct rpcent *interpret();`
73			`struct hostent *gethostent();`
74			`char *inet_ntoa();`
75
76			`static char RPCDB[] = "/etc/rpc";`
77
78			`static struct rpcdata *`
79			`_rpcdata()`
80			`{`
81			`register struct rpcdata *d = rpcdata;`
82
83			`if (d == 0) {`
84			`d = (struct rpcdata *)calloc(1, sizeof (struct rpcdata));`
85			`rpcdata = d;`
86			`}`
87			`return (d);`
88			`}`
89
90			`struct rpcent *`
91			`getrpcbynumber(number)`
92			`register int number;`
93			`{`
94			`register struct rpcdata *d = _rpcdata();`
95			`register struct rpcent *p;`
96			`#ifdef YP`
97			`int reason;`
98			`char adrstr[16];`
99			`#endif`
100
101			`if (d == 0)`
102			`return (0);`
103			`#ifdef YP`
104			`if (!__yp_nomap && _yp_check(&d->domain)) {`
105			`sprintf(adrstr, "%d", number);`
106			`reason = yp_match(d->domain, "rpc.bynumber", adrstr, strlen(adrstr),`
107			`&d->current, &d->currentlen);`
108			`switch(reason) {`
109			`case 0:`
110			`break;`
111			`case YPERR_MAP:`
112			`__yp_nomap = 1;`
113			`goto no_yp;`
114			`break;`
115			`default:`
116			`return(0);`
117			`break;`
118			`}`
119			`d->current[d->currentlen] = '\0';`
120			`p = interpret(d->current, d->currentlen);`
121			`(void) free(d->current);`
122			`return p;`
123			`}`
124			`no_yp:`
125			`#endif /* YP */`
126			`setrpcent(0);`
127			`while ((p = getrpcent())) {`
128			`if (p->r_number == number)`
129			`break;`
130			`}`
131			`endrpcent();`
132			`return (p);`
133			`}`
134
135			`struct rpcent *`
136			`getrpcbyname(name)`
137			`char *name;`
138			`{`
139			`struct rpcent *rpc = NULL;`
140			`char **rp;`
141
142			`setrpcent(0);`
143			`while ((rpc = getrpcent())) {`
144			`if (strcmp(rpc->r_name, name) == 0)`
145			`goto done;`
146			`for (rp = rpc->r_aliases; *rp != NULL; rp++) {`
147			`if (strcmp(*rp, name) == 0)`
148			`goto done;`
149			`}`
150			`}`
151			`done:`
152			`endrpcent();`
153			`return (rpc);`
154			`}`
155
156			`void`
157			`setrpcent(f)`
158			`int f;`
159			`{`
160			`register struct rpcdata *d = _rpcdata();`
161
162			`if (d == 0)`
163			`return;`
164			`#ifdef YP`
165			`if (!__yp_nomap && _yp_check(NULL)) {`
166			`if (d->current)`
167			`free(d->current);`
168			`d->current = NULL;`
169			`d->currentlen = 0;`
170			`return;`
171			`}`
172			`__yp_nomap = 0;`
173			`#endif /* YP */`
174			`if (d->rpcf == NULL)`
175			`d->rpcf = fopen(RPCDB, "r");`
176			`else`
177			`rewind(d->rpcf);`
178			`d->stayopen \|= f;`
179			`}`
180
181			`void`
182			`endrpcent()`
183			`{`
184			`register struct rpcdata *d = _rpcdata();`
185
186			`if (d == 0)`
187			`return;`
188			`#ifdef YP`
189			`if (!__yp_nomap && _yp_check(NULL)) {`
190			`if (d->current && !d->stayopen)`
191			`free(d->current);`
192			`d->current = NULL;`
193			`d->currentlen = 0;`
194			`return;`
195			`}`
196			`__yp_nomap = 0;`
197			`#endif /* YP */`
198			`if (d->rpcf && !d->stayopen) {`
199			`fclose(d->rpcf);`
200			`d->rpcf = NULL;`
201			`}`
202			`}`
203
204			`struct rpcent *`
205			`getrpcent()`
206			`{`
207			`register struct rpcdata *d = _rpcdata();`
208			`#ifdef YP`
209			`struct rpcent *hp;`
210			`int reason;`
211			`char *val = NULL;`
212			`int vallen;`
213			`#endif`
214
215			`if (d == 0)`
216			`return(NULL);`
217			`#ifdef YP`
218			`if (!__yp_nomap && _yp_check(&d->domain)) {`
219			`if (d->current == NULL && d->currentlen == 0) {`
220			`reason = yp_first(d->domain, "rpc.bynumber",`
221			`&d->current, &d->currentlen,`
222			`&val, &vallen);`
223			`} else {`
224			`reason = yp_next(d->domain, "rpc.bynumber",`
225			`d->current, d->currentlen,`
226			`&d->current, &d->currentlen,`
227			`&val, &vallen);`
228			`}`
229			`switch(reason) {`
230			`case 0:`
231			`break;`
232			`case YPERR_MAP:`
233			`__yp_nomap = 1;`
234			`goto no_yp;`
235			`break;`
236			`default:`
237			`return(0);`
238			`break;`
239			`}`
240			`val[vallen] = '\0';`
241			`hp = interpret(val, vallen);`
242			`(void) free(val);`
243			`return hp;`
244			`}`
245			`no_yp:`
246			`#endif /* YP */`
247			`if (d->rpcf == NULL && (d->rpcf = fopen(RPCDB, "r")) == NULL)`
248			`return (NULL);`
249			`/* -1 so there is room to append a \n below */`
250			`if (fgets(d->line, BUFSIZ - 1, d->rpcf) == NULL)`
251			`return (NULL);`
252			`return (interpret(d->line, strlen(d->line)));`
253			`}`
254
255			`static struct rpcent *`
256			`interpret(val, len)`
257			`char *val;`
258			`int len;`
259			`{`
260			`register struct rpcdata *d = _rpcdata();`
261			`char *p;`
262			`register char cp, *q;`
263
264			`if (d == 0)`
265			`return (0);`
266			`(void) strncpy(d->line, val, BUFSIZ);`
267			`d->line[BUFSIZ] = '\0';`
268			`p = d->line;`
269			`p[len] = '\n';`
270			`if (*p == '#')`
271			`return (getrpcent());`
272			`cp = strpbrk(p, "#\n");`
273			`if (cp == NULL)`
274			`return (getrpcent());`
275			`*cp = '\0';`
276			`cp = strpbrk(p, " \t");`
277			`if (cp == NULL)`
278			`return (getrpcent());`
279			`*cp++ = '\0';`
280			`/* THIS STUFF IS INTERNET SPECIFIC */`
281			`d->rpc.r_name = d->line;`
282			`while (cp == ' ' \|\| cp == '\t')`
283			`cp++;`
284			`d->rpc.r_number = atoi(cp);`
285			`q = d->rpc.r_aliases = d->rpc_aliases;`
286			`cp = strpbrk(cp, " \t");`
287			`if (cp != NULL)`
288			`*cp++ = '\0';`
289			`while (cp && *cp) {`
290			`if (cp == ' ' \|\| cp == '\t') {`
291			`cp++;`
292			`continue;`
293			`}`
294			`if (q < &(d->rpc_aliases[MAXALIASES - 1]))`
295			`*q++ = cp;`
296			`cp = strpbrk(cp, " \t");`
297			`if (cp != NULL)`
298			`*cp++ = '\0';`
299			`}`
300			`*q = NULL;`
301			`return (&d->rpc);`
302			`}`
303