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keyboxd: Fix duplicates when listing keys by uid.
* kbx/backend-sqlite.c (struct be_sqlite_local_s): Add fields lastubid_valid and lastubid. (run_sql_prepare): Add optional extra2 arg and chage callers. (run_select_statement): Add an ORDER BY clause to most SELECTs. (be_sqlite_search): Skip duplicated keyblocks in a search. -- See the comment in the code for the background. Beware: This change lets tests/openpgp/key-selection.scm fail. Needs to be fixed. Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch
parent
6c36b8bb23
commit
194034f813
@ -78,6 +78,9 @@ struct be_sqlite_local_s
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unsigned int filter_opgp : 1;
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unsigned int filter_x509 : 1;
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/* Flag indicating that LASTUBID has a value. */
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unsigned int lastubid_valid : 1;
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/* The current description index. */
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unsigned int descidx;
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@ -86,6 +89,12 @@ struct be_sqlite_local_s
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/* The last row has already been reached. */
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int select_eof;
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/* The last UBID found by a select; only valid if LASTUBID_VALID is
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* set. This is required to return only one blob in case a search
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* is done over the user id and the same user id occurs several
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* times in a blob. */
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unsigned char lastubid[UBID_LEN];
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};
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@ -323,17 +332,19 @@ run_sql_reset (sqlite3_stmt *stmt)
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/* Run an SQL prepare for SQLSTR and return a statement at R_STMT. If
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* EXTRA is not NULL that part is appended to the SQL statement. */
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* EXTRA or EXTRA2 are not NULL these parts are appended to the SQL
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* statement. */
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static gpg_error_t
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run_sql_prepare (const char *sqlstr, const char *extra, sqlite3_stmt **r_stmt)
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run_sql_prepare (const char *sqlstr, const char *extra, const char *extra2,
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sqlite3_stmt **r_stmt)
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{
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gpg_error_t err;
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int res;
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char *buffer = NULL;
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if (extra)
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if (extra || extra2)
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{
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buffer = strconcat (sqlstr, extra, NULL);
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buffer = strconcat (sqlstr, extra?extra:"", extra2, NULL);
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if (!buffer)
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return gpg_error_from_syserror ();
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sqlstr = buffer;
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@ -497,7 +508,7 @@ run_sql_statement_bind_ubid (const char *sqlstr, const unsigned char *ubid)
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gpg_error_t err;
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sqlite3_stmt *stmt;
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err = run_sql_prepare (sqlstr, NULL, &stmt);
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err = run_sql_prepare (sqlstr, NULL, NULL, &stmt);
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if (err)
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goto leave;
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if (ubid)
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@ -784,7 +795,7 @@ get_config_value (const char *name, char **r_value)
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if (!sqlstr)
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return gpg_error_from_syserror ();
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err = run_sql_prepare (sqlstr, NULL, &stmt);
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err = run_sql_prepare (sqlstr, NULL, NULL, &stmt);
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xfree (sqlstr);
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if (err)
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return err;
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@ -818,7 +829,7 @@ set_config_value (const char *name, const char *value)
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sqlite3_stmt *stmt;
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err = run_sql_prepare ("INSERT OR REPLACE INTO config(name,value)"
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" VALUES(?1,?2)", NULL, &stmt);
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" VALUES(?1,?2)", NULL, NULL, &stmt);
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if (err)
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return err;
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@ -908,7 +919,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.keyblob, u.uidno"
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" FROM pubkey as p, userid as u"
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" WHERE p.ubid = u.ubid AND u.uid = ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_text (ctx->select_stmt, 1, desc[descidx].u.name);
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break;
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@ -919,7 +930,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.keyblob, u.uidno"
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" FROM pubkey as p, userid as u"
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" WHERE p.ubid = u.ubid AND u.addrspec = ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_text (ctx->select_stmt, 1, desc[descidx].u.name);
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break;
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@ -931,7 +942,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.keyblob, u.uidno"
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" FROM pubkey as p, userid as u"
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" WHERE p.ubid = u.ubid AND u.addrspec LIKE ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_text_like (ctx->select_stmt, 1,
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desc[descidx].u.name);
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@ -944,7 +955,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.keyblob, u.uidno"
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" FROM pubkey as p, userid as u"
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" WHERE p.ubid = u.ubid AND u.uid LIKE ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_text_like (ctx->select_stmt, 1,
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desc[descidx].u.name);
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@ -962,7 +973,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" FROM pubkey as p, issuer as i"
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" WHERE p.ubid = i.ubid"
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" AND i.dn = $1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_text (ctx->select_stmt, 1,
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desc[descidx].u.name);
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@ -983,7 +994,8 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" FROM pubkey as p, issuer as i"
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" WHERE p.ubid = i.ubid"
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" AND i.sn = $1 AND i.dn = $2",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid",
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&ctx->select_stmt);
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if (!err)
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err = run_sql_bind_ntext (ctx->select_stmt, 1,
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desc[descidx].sn, desc[descidx].snlen);
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@ -1008,7 +1020,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" FROM pubkey as p, userid as u"
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" WHERE p.ubid = u.ubid"
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" AND u.uid = $1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_text (ctx->select_stmt, 1,
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desc[descidx].u.name);
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@ -1022,7 +1034,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" FROM pubkey as p, fingerprint as f"
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" WHERE p.ubid = f.ubid AND"
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" substr(f.kid,5) = ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_blob (ctx->select_stmt, 1,
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kid_from_u32 (desc[descidx].u.kid, kidbuf)+4,
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@ -1036,7 +1048,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.revoked, p.keyblob, f.subkey"
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" FROM pubkey as p, fingerprint as f"
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" WHERE p.ubid = f.ubid AND f.kid = ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_blob (ctx->select_stmt, 1,
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kid_from_u32 (desc[descidx].u.kid, kidbuf),
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@ -1050,7 +1062,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.revoked, p.keyblob, f.subkey"
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" FROM pubkey as p, fingerprint as f"
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" WHERE p.ubid = f.ubid AND f.fpr = ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_blob (ctx->select_stmt, 1,
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desc[descidx].u.fpr, desc[descidx].fprlen);
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@ -1063,7 +1075,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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" p.keyblob, f.subkey"
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" FROM pubkey as p, fingerprint as f"
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" WHERE p.ubid = f.ubid AND f.keygrip = ?1",
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extra, &ctx->select_stmt);
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extra, " ORDER BY p.ubid", &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_blob (ctx->select_stmt, 1,
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desc[descidx].u.grip, KEYGRIP_LEN);
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@ -1074,7 +1086,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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err = run_sql_prepare ("SELECT ubid, type, ephemeral, revoked, keyblob"
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" FROM pubkey as p"
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" WHERE ubid = ?1",
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extra, &ctx->select_stmt);
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extra, NULL, &ctx->select_stmt);
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if (!err)
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err = run_sql_bind_blob (ctx->select_stmt, 1,
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desc[descidx].u.ubid, UBID_LEN);
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@ -1095,7 +1107,7 @@ run_select_statement (ctrl_t ctrl, be_sqlite_local_t ctx,
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err = run_sql_prepare ("SELECT ubid, type, ephemeral, revoked,"
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" keyblob"
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" FROM pubkey as p",
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extra, &ctx->select_stmt);
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extra, NULL, &ctx->select_stmt);
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}
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break;
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@ -1142,6 +1154,7 @@ be_sqlite_search (ctrl_t ctrl,
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ctx->select_done = 0;
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ctx->select_eof = 0;
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ctx->descidx = 0;
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ctx->lastubid_valid = 0;
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err = 0;
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goto leave;
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}
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@ -1206,6 +1219,22 @@ be_sqlite_search (ctrl_t ctrl,
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goto leave;
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}
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if (ctx->lastubid_valid && !memcmp (ctx->lastubid, ubid, UBID_LEN))
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{
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/* The search has already returned this blob and thus we may
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* not return this again. Consider the case that we are
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* searching for user id "foo" and a keyblock or certificate
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* has several userids with "foo" in it (or with even a full
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* mail address in it but with other extra parts). The code
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* in gpg and gpgsm expects to see only a single block and
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* not several of them. Whether the UIDNO makes any sense
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* in this case is questionable and we ignore that because
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* we currently are not able to return several UIDNOs. */
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goto again;
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}
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memcpy (ctx->lastubid, ubid, UBID_LEN);
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ctx->lastubid_valid = 1;
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n = sqlite3_column_int (ctx->select_stmt, 1);
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if (!n && sqlite3_errcode (database_hd) == SQLITE_NOMEM)
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{
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@ -1337,7 +1366,7 @@ store_into_pubkey (enum kbxd_store_modes mode,
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else /* Auto */
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sqlstr = ("INSERT OR REPLACE INTO pubkey(ubid,type,keyblob)"
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" VALUES(?1,?2,?3)");
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err = run_sql_prepare (sqlstr, NULL, &stmt);
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err = run_sql_prepare (sqlstr, NULL, NULL, &stmt);
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if (err)
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goto leave;
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err = run_sql_bind_blob (stmt, 1, ubid, UBID_LEN);
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@ -1373,7 +1402,7 @@ store_into_fingerprint (const unsigned char *ubid, int subkey,
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sqlstr = ("INSERT OR REPLACE INTO fingerprint(fpr,kid,keygrip,subkey,ubid)"
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" VALUES(?1,?2,?3,?4,?5)");
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err = run_sql_prepare (sqlstr, NULL, &stmt);
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err = run_sql_prepare (sqlstr, NULL, NULL, &stmt);
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if (err)
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goto leave;
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err = run_sql_bind_blob (stmt, 1, fpr, fprlen);
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@ -1415,7 +1444,7 @@ store_into_userid (const unsigned char *ubid, enum pubkey_types pktype,
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sqlstr = ("INSERT OR REPLACE INTO userid(uid,addrspec,type,ubid,uidno)"
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" VALUES(?1,?2,?3,?4,?5)");
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err = run_sql_prepare (sqlstr, NULL, &stmt);
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err = run_sql_prepare (sqlstr, NULL, NULL, &stmt);
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if (err)
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goto leave;
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@ -1466,7 +1495,7 @@ store_into_issuer (const unsigned char *ubid,
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sqlstr = ("INSERT OR REPLACE INTO issuer(sn,dn,ubid)"
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" VALUES(?1,?2,?3)");
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err = run_sql_prepare (sqlstr, NULL, &stmt);
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err = run_sql_prepare (sqlstr, NULL, NULL, &stmt);
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if (err)
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goto leave;
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