2 * Copyright 1999, Dmitry Kovalev <mit@openldap.org>, All rights reserved.
4 * Redistribution and use in source and binary forms are permitted only
5 * as authorized by the OpenLDAP Public License. A copy of this
6 * license is available at http://www.OpenLDAP.org/license.html or
7 * in file LICENSE in the top-level directory of the distribution.
15 #include <sys/types.h>
23 char backsql_def_oc_query[]="SELECT id,name,keytbl,keycol,create_proc,delete_proc,expect_return FROM ldap_objclasses";
24 char backsql_def_at_query[]="SELECT name,sel_expr,from_tbls,join_where,add_proc,modify_proc,delete_proc,param_order,expect_return FROM ldap_attrs WHERE oc_id=?";
25 char backsql_def_delentry_query[]="DELETE FROM ldap_entries WHERE id=?";
26 char backsql_def_insentry_query[]="INSERT INTO ldap_entries (dn,objclass,parent,keyval) VALUES (?,?,?,?)";
27 char backsql_def_subtree_cond[]="ldap_entries.dn LIKE CONCAT('%',?)";
28 char backsql_id_query[]="SELECT id,keyval,objclass FROM ldap_entries WHERE ";
31 char* backsql_strcat(char* dest,int *buflen, ...)
37 //Debug(LDAP_DEBUG_TRACE,"==>my_strcat()\n");
38 va_start(strs,buflen);
39 if (dest==NULL || *buflen<=0)
41 dest=(char*)ch_calloc(BACKSQL_STR_GROW,sizeof(char));
42 *buflen=BACKSQL_STR_GROW;
45 while ((cstr=va_arg(strs,char*)) != NULL)
48 grow=BACKSQL_MAX(BACKSQL_STR_GROW,cslen);
49 if (*buflen-cdlen < cslen)
51 //Debug(LDAP_DEBUG_TRACE,"my_strcat(): buflen=%d, cdlen=%d, cslen=%d -- reallocating dest\n",
52 // *buflen,cdlen,cslen);
53 dest=(char*)ch_realloc(dest,(*buflen)+grow*sizeof(char));
56 Debug(LDAP_DEBUG_ANY,"my_strcat(): could not reallocate string buffer.\n",0,0,0);
59 //Debug(LDAP_DEBUG_TRACE,"my_strcat(): new buflen=%d, dest=%p\n",*buflen,dest,0);
65 //Debug(LDAP_DEBUG_TRACE,"<==my_strcat() (dest='%s')\n",dest,0,0);
69 int backsql_entry_addattr(Entry *e,char *at_name,char *at_val,unsigned int at_val_len)
71 Attribute *c_at=e->e_attrs;
75 Debug(LDAP_DEBUG_TRACE,"backsql_entry_addattr(): at_name='%s', at_val='%s'\n",at_name,at_val,0);
76 while (c_at!=NULL && strcasecmp(c_at->a_type,at_name))
80 //Debug(LDAP_DEBUG_TRACE,"backsql_addattr(): creating new attribute\n",0,0,0);
81 c_at=(Attribute *)ch_calloc(sizeof(Attribute),1);
82 c_at->a_type=ch_strdup(at_name);
83 c_at->a_syntax=SYNTAX_CIS;
84 c_at->a_vals=(struct berval**)ch_calloc(sizeof(struct berval *),1);
86 c_at->a_next=e->e_attrs;
89 //Debug(LDAP_DEBUG_TRACE,"backsql_addattr(): checking attribute values\n",0,0,0);
90 //should use different comparison methods for different attributes
91 //for now, uses memcmp
92 for (cval=c_at->a_vals,nvals=0;*cval != NULL &&
93 memcmp((*cval)->bv_val,at_val,BACKSQL_MIN((*cval)->bv_len,at_val_len));cval++,nvals++);
97 //Debug(LDAP_DEBUG_TRACE,"backsql_addattr(): nvals=%d; adding new value\n",nvals,0,0);
98 c_at->a_vals=(struct berval **)realloc(c_at->a_vals,sizeof(struct berval *)*(nvals+2));
99 c_at->a_vals[nvals]=(struct berval*)ch_calloc(sizeof(struct berval),1);
100 c_at->a_vals[nvals]->bv_val=(char*)ch_calloc(sizeof(char),at_val_len);
101 strncpy(c_at->a_vals[nvals]->bv_val,at_val,at_val_len);
102 c_at->a_vals[nvals]->bv_len=at_val_len;
103 c_at->a_vals[nvals+1]=NULL;
107 //Debug(LDAP_DEBUG_TRACE,"backsql_addattr(): value already exists\n",0,0,0);
109 Debug(LDAP_DEBUG_TRACE,"<==backsql_query_addattr()\n",0,0,0);
113 char* backsql_get_table_spec(char **p)
120 while(**p && **p!=',') (*p)++;
124 #define BACKSQL_NEXT_WORD {while (*s && isspace(*s)) s++; if (!*s) return res; q=s; while (*q && !isspace(*q)) q++; if (*q) *q++='\0';}
126 res=backsql_strcat(res,&res_len,s,NULL);//table name
130 if (!strcasecmp(s,"as"))
135 //res=backsql_strcat(res,&res_len," AS ",s,NULL);//table alias
136 //oracle doesn't understand AS :(
137 res=backsql_strcat(res,&res_len," ",s,NULL);//table alias
141 int backsql_merge_from_clause(char **dest_from,int *dest_len,char *src_from)
143 char *s,*p,*srcc,*pos,e;
145 //Debug(LDAP_DEBUG_TRACE,"==>backsql_merge_from_clause(): dest_from='%s',src_from='%s'\n",
146 // dest_from,src_from,0);
147 srcc=ch_strdup(src_from);
151 s=backsql_get_table_spec(&p);
152 // Debug(LDAP_DEBUG_TRACE,"backsql_merge_from_clause(): p='%s' s='%s'\n",p,s,0);
153 if (*dest_from==NULL)
154 *dest_from=backsql_strcat(*dest_from,dest_len,s,NULL);
156 if((pos=strstr(*dest_from,s))==NULL)
157 *dest_from=backsql_strcat(*dest_from,dest_len,",",s,NULL);
158 else if((e=pos[strlen(s)])!='\0' && e!=',')
159 *dest_from=backsql_strcat(*dest_from,dest_len,",",s,NULL);
163 // Debug(LDAP_DEBUG_TRACE,"<==backsql_merge_from_clause()\n",0,0,0);
168 #endif /* SLAPD_SQL */