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/*
* Copyright (C) 2004-2010 by CERN/IT/GD/CT
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: dpm_getprotocols.c,v $ $Revision: 3444 $ $Date: 2010-02-24 08:53:25 +0100 (Wed, 24 Feb 2010) $ CERN IT-GD/CT Jean-Philippe Baud";
#endif /* not lint */
/* dpm_getprotocols - to get the list of supported protocols */
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#if defined(_WIN32)
#include <winsock2.h>
#else
#include <unistd.h>
#include <netinet/in.h>
#endif
#include "dpm_api.h"
#include "dpm.h"
#include "marshall.h"
#include "serrno.h"
int DLL_DECL
dpm_getprotocols (int *nb_supported_protocols, char ***supported_protocols)
{
int c;
char func[17];
gid_t gid;
int i;
int j;
int msglen;
char **p;
char protocol[CA_MAXPROTOLEN+1];
char *rbp;
char repbuf[256];
char *sbp;
char sendbuf[REQBUFSZ];
struct dpm_api_thread_info *thip;
uid_t uid;
strcpy (func, "dpm_getprotocols");
if (dpm_apiinit (&thip))
return (-1);
uid = geteuid();
gid = getegid();
#if defined(_WIN32)
if (uid < 0 || gid < 0) {
dpm_errmsg (func, DP053);
serrno = SENOMAPFND;
return (-1);
}
#endif
if (! nb_supported_protocols || ! supported_protocols) {
serrno = EFAULT;
return (-1);
}
/* Build request header */
sbp = sendbuf;
marshall_LONG (sbp, DPM_MAGIC);
marshall_LONG (sbp, DPM_GETPROTO);
msglen = 5 * LONGSIZE;
marshall_LONG (sbp, msglen);
/* Build request body */
marshall_LONG (sbp, uid);
marshall_LONG (sbp, gid);
c = send2dpm (NULL, sendbuf, msglen, repbuf, sizeof(repbuf), NULL, NULL);
if (c == 0) {
rbp = repbuf;
unmarshall_WORD (rbp, *nb_supported_protocols);
if ((p = calloc (*nb_supported_protocols, sizeof(char *))) == NULL) {
serrno = ENOMEM;
return (-1);
}
for (i = 0; i < *nb_supported_protocols; i++) {
unmarshall_STRING (rbp, protocol);
if((p[i] = strdup (protocol)) == NULL) {
for (j = 0; j < i; j++)
free (p[j]);
free (p);
serrno = ENOMEM;
return (-1);
}
}
*supported_protocols = p;
}
return (c);
}
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