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ruanhaishen
redis
Commits
10dedc25
Commit
10dedc25
authored
Apr 20, 2018
by
赵磊
Browse files
Fix core dump when using 'command getkeys' with wrong arguments.
parent
e6b0e8d9
Changes
2
Hide whitespace changes
Inline
Side-by-side
src/db.c
View file @
10dedc25
...
@@ -1224,7 +1224,7 @@ int *zunionInterGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *nu
...
@@ -1224,7 +1224,7 @@ int *zunionInterGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *nu
num
=
atoi
(
argv
[
2
]
->
ptr
);
num
=
atoi
(
argv
[
2
]
->
ptr
);
/* Sanity check. Don't return any key if the command is going to
/* Sanity check. Don't return any key if the command is going to
* reply with syntax error. */
* reply with syntax error. */
if
(
num
>
(
argc
-
3
))
{
if
(
num
<
1
||
num
>
(
argc
-
3
))
{
*
numkeys
=
0
;
*
numkeys
=
0
;
return
NULL
;
return
NULL
;
}
}
...
@@ -1253,7 +1253,7 @@ int *evalGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys)
...
@@ -1253,7 +1253,7 @@ int *evalGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys)
num
=
atoi
(
argv
[
2
]
->
ptr
);
num
=
atoi
(
argv
[
2
]
->
ptr
);
/* Sanity check. Don't return any key if the command is going to
/* Sanity check. Don't return any key if the command is going to
* reply with syntax error. */
* reply with syntax error. */
if
(
num
>
(
argc
-
3
))
{
if
(
num
<=
0
||
num
>
(
argc
-
3
))
{
*
numkeys
=
0
;
*
numkeys
=
0
;
return
NULL
;
return
NULL
;
}
}
...
@@ -1398,7 +1398,7 @@ int *xreadGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys)
...
@@ -1398,7 +1398,7 @@ int *xreadGetKeys(struct redisCommand *cmd, robj **argv, int argc, int *numkeys)
if
(
streams_pos
!=
-
1
)
num
=
argc
-
streams_pos
-
1
;
if
(
streams_pos
!=
-
1
)
num
=
argc
-
streams_pos
-
1
;
/* Syntax error. */
/* Syntax error. */
if
(
streams_pos
==
-
1
||
num
%
2
!=
0
)
{
if
(
streams_pos
==
-
1
||
num
==
0
||
num
%
2
!=
0
)
{
*
numkeys
=
0
;
*
numkeys
=
0
;
return
NULL
;
return
NULL
;
}
}
...
...
src/server.c
View file @
10dedc25
...
@@ -2842,7 +2842,10 @@ NULL
...
@@ -2842,7 +2842,10 @@ NULL
int
*
keys
,
numkeys
,
j
;
int
*
keys
,
numkeys
,
j
;
if
(
!
cmd
)
{
if
(
!
cmd
)
{
addReplyErrorFormat
(
c
,
"Invalid command specified"
);
addReplyError
(
c
,
"Invalid command specified"
);
return
;
}
else
if
(
cmd
->
getkeys_proc
==
NULL
&&
cmd
->
firstkey
==
0
)
{
addReplyError
(
c
,
"The command has no key arguments"
);
return
;
return
;
}
else
if
((
cmd
->
arity
>
0
&&
cmd
->
arity
!=
c
->
argc
-
2
)
||
}
else
if
((
cmd
->
arity
>
0
&&
cmd
->
arity
!=
c
->
argc
-
2
)
||
((
c
->
argc
-
2
)
<
-
cmd
->
arity
))
((
c
->
argc
-
2
)
<
-
cmd
->
arity
))
...
@@ -2852,9 +2855,13 @@ NULL
...
@@ -2852,9 +2855,13 @@ NULL
}
}
keys
=
getKeysFromCommand
(
cmd
,
c
->
argv
+
2
,
c
->
argc
-
2
,
&
numkeys
);
keys
=
getKeysFromCommand
(
cmd
,
c
->
argv
+
2
,
c
->
argc
-
2
,
&
numkeys
);
addReplyMultiBulkLen
(
c
,
numkeys
);
if
(
!
keys
)
{
for
(
j
=
0
;
j
<
numkeys
;
j
++
)
addReplyBulk
(
c
,
c
->
argv
[
keys
[
j
]
+
2
]);
addReplyError
(
c
,
"Invalid arguments specified for command"
);
getKeysFreeResult
(
keys
);
}
else
{
addReplyMultiBulkLen
(
c
,
numkeys
);
for
(
j
=
0
;
j
<
numkeys
;
j
++
)
addReplyBulk
(
c
,
c
->
argv
[
keys
[
j
]
+
2
]);
getKeysFreeResult
(
keys
);
}
}
else
{
}
else
{
addReplyErrorFormat
(
c
,
"Unknown subcommand or wrong number of arguments for '%s'. Try COMMAND HELP"
,
(
char
*
)
c
->
argv
[
1
]
->
ptr
);
addReplyErrorFormat
(
c
,
"Unknown subcommand or wrong number of arguments for '%s'. Try COMMAND HELP"
,
(
char
*
)
c
->
argv
[
1
]
->
ptr
);
}
}
...
...
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