NotificationsYou must be signed in to change notification settings
Fork5
Star27

Commit35a173a

committed

Fix assorted memory leaks in pg_hba.conf parsing. Over a sufficiently

large number of SIGHUP cycles, these would have run the postmaster outof memory. Noted while testing memory-leak scenario in postgresql.confconfiguration-change-printing patch.

1 parent54d60bb commit35a173aCopy full SHA for 35a173a

File tree

1 file changed

+14

-12

lines changed

src/backend/libpq
- hba.c

1 file changed

+14

-12

lines changed

`‎src/backend/libpq/hba.c‎`

Lines changed: 14 additions & 12 deletions

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@`
`10`	`10`	`*`
`11`	`11`	`*`
`12`	`12`	`* IDENTIFICATION`
`13`		`- * $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.191 2009/10/01 01:58:57 tgl Exp $`
	`13`	`+ * $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.192 2009/10/03 20:04:39 tgl Exp $`
`14`	`14`	`*`
`15`	`15`	`*-------------------------------------------------------------------------`
`16`	`16`	`*/`
`@@ -804,16 +804,12 @@ parse_hba_line(List line, int line_num, HbaLine parsedline)`
`804`	`804`	`token,gai_strerror(ret)),`
`805`	`805`	`errcontext("line %d of configuration file \"%s\"",`
`806`	`806`	`line_num,HbaFileName)));`
`807`		`-if (cidr_slash)`
`808`		`-*cidr_slash='/';`
`809`	`807`	`if (gai_result)`
`810`	`808`	`pg_freeaddrinfo_all(hints.ai_family,gai_result);`
	`809`	`+pfree(token);`
`811`	`810`	`return false;`
`812`	`811`	`}`
`813`	`812`
`814`		`-if (cidr_slash)`
`815`		`-*cidr_slash='/';`
`816`		`-`
`817`	`813`	`memcpy(&parsedline->addr,gai_result->ai_addr,`
`818`	`814`	`gai_result->ai_addrlen);`
`819`	`815`	`pg_freeaddrinfo_all(hints.ai_family,gai_result);`
`@@ -824,18 +820,22 @@ parse_hba_line(List line, int line_num, HbaLine parsedline)`
`824`	`820`	`if (pg_sockaddr_cidr_mask(&parsedline->mask,cidr_slash+1,`
`825`	`821`	`parsedline->addr.ss_family)<0)`
`826`	`822`	`{`
	`823`	`+cidr_slash='/';/ restore token for message */`
`827`	`824`	`ereport(LOG,`
`828`	`825`	`(errcode(ERRCODE_CONFIG_FILE_ERROR),`
`829`	`826`	`errmsg("invalid CIDR mask in address \"%s\"",`
`830`	`827`	`token),`
`831`	`828`	`errcontext("line %d of configuration file \"%s\"",`
`832`	`829`	`line_num,HbaFileName)));`
	`830`	`+pfree(token);`
`833`	`831`	`return false;`
`834`	`832`	`}`
	`833`	`+pfree(token);`
`835`	`834`	`}`
`836`	`835`	`else`
`837`	`836`	`{`
`838`	`837`	`/* Read the mask field. */`
	`838`	`+pfree(token);`
`839`	`839`	`line_item=lnext(line_item);`
`840`	`840`	`if (!line_item)`
`841`	`841`	`{`
`@@ -1266,7 +1266,7 @@ check_hba(hbaPort *port)`
`1266`	`1266`	`}`
`1267`	`1267`
`1268`	`1268`	`/*`
`1269`		`- * Freethe contents of a hba record`
	`1269`	`+ * Freean HbaLine structure`
`1270`	`1270`	`*/`
`1271`	`1271`	`staticvoid`
`1272`	`1272`	`free_hba_record(HbaLine*record)`
`@@ -1275,6 +1275,8 @@ free_hba_record(HbaLine *record)`
`1275`	`1275`	`pfree(record->database);`
`1276`	`1276`	`if (record->role)`
`1277`	`1277`	`pfree(record->role);`
	`1278`	`+if (record->usermap)`
	`1279`	`+pfree(record->usermap);`
`1278`	`1280`	`if (record->pamservice)`
`1279`	`1281`	`pfree(record->pamservice);`
`1280`	`1282`	`if (record->ldapserver)`
`@@ -1287,6 +1289,7 @@ free_hba_record(HbaLine *record)`
`1287`	`1289`	`pfree(record->krb_server_hostname);`
`1288`	`1290`	`if (record->krb_realm)`
`1289`	`1291`	`pfree(record->krb_realm);`
	`1292`	`+pfree(record);`
`1290`	`1293`	`}`
`1291`	`1294`
`1292`	`1295`	`/*`
`@@ -1355,20 +1358,22 @@ load_hba(void)`
`1355`	`1358`	`{`
`1356`	`1359`	`/* Parse error in the file, so indicate there's a problem */`
`1357`	`1360`	`free_hba_record(newline);`
`1358`		`-pfree(newline);`
	`1361`	`+ok= false;`
`1359`	`1362`
`1360`	`1363`	`/*`
`1361`	`1364`	`* Keep parsing the rest of the file so we can report errors on`
`1362`	`1365`	`* more than the first row. Error has already been reported in the`
`1363`	`1366`	`* parsing function, so no need to log it here.`
`1364`	`1367`	`*/`
`1365`		`-ok= false;`
`1366`	`1368`	`continue;`
`1367`	`1369`	`}`
`1368`	`1370`
`1369`	`1371`	`new_parsed_lines=lappend(new_parsed_lines,newline);`
`1370`	`1372`	`}`
`1371`	`1373`
	`1374`	`+/* Free the temporary lists */`
	`1375`	`+free_lines(&hba_lines,&hba_line_nums);`
	`1376`	`+`
`1372`	`1377`	`if (!ok)`
`1373`	`1378`	`{`
`1374`	`1379`	`/* Parsing failed at one or more rows, so bail out */`
`@@ -1380,9 +1385,6 @@ load_hba(void)`
`1380`	`1385`	`clean_hba_list(parsed_hba_lines);`
`1381`	`1386`	`parsed_hba_lines=new_parsed_lines;`
`1382`	`1387`
`1383`		`-/* Free the temporary lists */`
`1384`		`-free_lines(&hba_lines,&hba_line_nums);`
`1385`		`-`
`1386`	`1388`	`return true;`
`1387`	`1389`	`}`
`1388`	`1390`

0 commit comments

Comments

(0)

Movatterモバイル変換

Navigation Menu

Search code, repositories, users, issues, pull requests...

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Commit35a173a

File tree

1 file changed

1 file changed

`‎src/backend/libpq/hba.c‎`

0 commit comments