BOOL INSTAPI
SQLRemoveDriver (LPCSTR lpszDriver, BOOL fRemoveDSN, LPDWORD lpdwUsageCount)
{
/*char *szDriverFile = NULL; */
BOOL retcode = FALSE;
PCONFIG pCfg = NULL, pInstCfg = NULL;
LPSTR entries = (LPSTR) malloc (sizeof (char) * 65535), curr;
int len = 0, i = 0;
/* Check input parameters */
CLEAR_ERROR ();
if (!lpszDriver || !STRLEN (lpszDriver))
{
PUSH_ERROR (ODBC_ERROR_INVALID_NAME);
goto quit;
}
/* Else go through user/system odbcinst.ini */
switch (configMode)
{
case ODBC_BOTH_DSN:
case ODBC_USER_DSN:
wSystemDSN = USERDSN_ONLY;
break;
case ODBC_SYSTEM_DSN:
wSystemDSN = SYSTEMDSN_ONLY;
break;
}
if (_iodbcdm_cfg_search_init (&pCfg, "odbc.ini", FALSE))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
if (_iodbcdm_cfg_search_init (&pInstCfg, "odbcinst.ini", FALSE))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
if (fRemoveDSN)
{
#ifdef WIN32
if (entries &&
(len = _iodbcdm_list_entries (pCfg, "ODBC 32 bit Data Sources",
entries, 65535)))
#else
if (entries
&& (len =
_iodbcdm_list_entries (pCfg, "ODBC Data Sources", entries,
65535)))
#endif
{
for (curr = entries; i < len;
i += (STRLEN (curr) + 1), curr += (STRLEN (curr) + 1))
{
int nCursor = pCfg->cursor;
if (_iodbcdm_cfg_rewind (pCfg))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
#ifdef WIN32
if (_iodbcdm_cfg_find (pCfg, "ODBC 32 bit Data Sources", curr))
#else
if (_iodbcdm_cfg_find (pCfg, "ODBC Data Sources", curr))
#endif
{
if (_iodbcdm_cfg_rewind (pCfg))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
pCfg->cursor = nCursor;
continue;
}
if (!strcmp (pCfg->value, lpszDriver))
{
if (_iodbcdm_cfg_write (pCfg, curr, NULL, NULL))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
#ifdef WIN32
if (_iodbcdm_cfg_write (pCfg, "ODBC 32 bit Data Sources",
curr, NULL))
#else
if (_iodbcdm_cfg_write (pCfg, "ODBC Data Sources", curr,
NULL))
#endif
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
}
pCfg->cursor = nCursor;
}
}
}
if (_iodbcdm_cfg_write (pInstCfg, (char *) lpszDriver, NULL, NULL))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
#ifdef WIN32
if (_iodbcdm_cfg_write (pInstCfg, "ODBC 32 bit Drivers", lpszDriver, NULL))
#else
if (_iodbcdm_cfg_write (pInstCfg, "ODBC Drivers", (LPSTR) lpszDriver, NULL))
#endif
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
if (_iodbcdm_cfg_commit (pCfg) || _iodbcdm_cfg_commit (pInstCfg))
{
PUSH_ERROR (ODBC_ERROR_GENERAL_ERR);
goto done;
}
retcode = TRUE;
done:
if (pCfg)
_iodbcdm_cfg_done (pCfg);
if (pInstCfg)
_iodbcdm_cfg_done (pInstCfg);
if (entries)
free (entries);
quit:
wSystemDSN = USERDSN_ONLY;
configMode = ODBC_BOTH_DSN;
return retcode;
}
static int
_fix_home_odbc(PCONFIG pconf, char *lib_odbcini, int bIsInst)
{
char pathbuf[1024];
char *home_odbcini = _getinifilename (pathbuf, sizeof (pathbuf), bIsInst, TRUE);
if (home_odbcini && lib_odbcini)
{
PCONFIG pCfg = NULL;
stat_t home_stat;
stat_t lib_stat;
if (access(home_odbcini, R_OK)!=0)
{
symlink(lib_odbcini, home_odbcini);
return 0;
}
else
{
char buf[4096];
int rc;
if (stat(home_odbcini, &home_stat))
return -1;
/*
* if $HOME/.odbc[inst].ini is link
* to $HOME/Library/ODBC/odbc[inst].ini
*/
if ((home_stat.st_mode & S_IFLNK)
&& (rc = readlink(home_odbcini, buf, sizeof(buf)))>0)
{
buf[rc]=0;
if (strcmp(buf,lib_odbcini)==0)
return 0; /* OK $HOME/.odbc.ini is linked to odbc.ini */
}
if (stat(lib_odbcini, &lib_stat))
return -1;
/* if $HOME/Library/ODBC/odbc[inst].ini is link
* to $HOME/.odbc[inst].ini
*/
if ((lib_stat.st_mode & S_IFLNK)
&& (rc = readlink(lib_odbcini, buf, sizeof(buf)))>0)
{
buf[rc]=0;
if (strcmp(buf,home_odbcini)==0)
return 0; /* OK $HOME/.odbc.ini is linked to odbc.ini */
}
}
/*
* import $HOME/.odbc[inst].ini and replace it with link
* to $HOME/Library/ODBC/odbc[inst].ini
*/
if (!_iodbcdm_cfg_init (&pCfg, home_odbcini, FALSE))
{
int len = 0;
char root_buf[4096] = {0};
char *proot;
char *root_val = NULL;
int was_error = FALSE;
char *root_lst = bIsInst?DRV_LST:DSN_LST;
/* Move DSN/Driver list*/
len = _iodbcdm_list_entries (pCfg, root_lst, root_buf, sizeof(root_buf));
if (len >0)
{
/* move [ODBC Data Sources] section */
for(proot = root_buf; *proot; proot += STRLEN(proot) + 1)
{
if (!_iodbcdm_cfg_find (pCfg, root_lst, proot))
root_val = pCfg->value;
else
root_val = NULL;
if (!proot || !root_val)
continue;
if (_iodbcdm_cfg_write (pconf, root_lst, proot, root_val)
|| _iodbcdm_cfg_commit (pconf))
{
was_error = TRUE;
break;
}
}
/* move DSN defines */
for(proot = root_buf; *proot; proot += STRLEN(proot) + 1)
{
char buffer[4096];
char *pattr;
char *pattr_val;
len = _iodbcdm_list_entries (pCfg, proot, buffer, sizeof(buffer));
if (len>0)
{
/* move [DSN] description */
for(pattr = buffer; *pattr; pattr += STRLEN(pattr) + 1)
{
if (!_iodbcdm_cfg_find (pCfg, proot, pattr))
pattr_val = pCfg->value;
else
pattr_val = NULL;
if (!pattr || !pattr_val)
continue;
if (_iodbcdm_cfg_write (pconf, proot, pattr, pattr_val)
|| _iodbcdm_cfg_commit (pconf))
{
was_error = TRUE;
break;
}
}
}
}
}
if (was_error)
return -1;
}
/* make link */
if (access(home_odbcini, R_OK)==0)
{
if (unlink(home_odbcini))
return -1;
}
if (symlink(lib_odbcini, home_odbcini))
return -1;
}
return 0;
}
