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authorMax Dymond <cmeister2@gmail.com>2017-10-25 22:51:50 +0100
committerDaniel Stenberg <daniel@haxx.se>2017-10-26 13:34:45 +0200
commit7b11c5dbe612e152e4ee1b61bac872a7e7958578 (patch)
treee743789e0ef205655750cb15626db59545ddd29b /lib
parent3340b456a544519531f8d42ec77d33251b765efa (diff)
wildcards: don't use with non-supported protocols
Fixes timeouts in the fuzzing tests for non-FTP protocols. Closes #2016
Diffstat (limited to 'lib')
-rw-r--r--lib/ftp.c9
-rw-r--r--lib/multi.c10
-rw-r--r--lib/transfer.c3
-rw-r--r--lib/url.c17
-rw-r--r--lib/urldata.h5
5 files changed, 27 insertions, 17 deletions
diff --git a/lib/ftp.c b/lib/ftp.c
index e9fab4f53..5c7df2b4c 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -182,7 +182,8 @@ const struct Curl_handler Curl_handler_ftp = {
PORT_FTP, /* defport */
CURLPROTO_FTP, /* protocol */
PROTOPT_DUAL | PROTOPT_CLOSEACTION | PROTOPT_NEEDSPWD |
- PROTOPT_NOURLQUERY | PROTOPT_PROXY_AS_HTTP /* flags */
+ PROTOPT_NOURLQUERY | PROTOPT_PROXY_AS_HTTP |
+ PROTOPT_WILDCARD /* flags */
};
@@ -210,7 +211,7 @@ const struct Curl_handler Curl_handler_ftps = {
PORT_FTPS, /* defport */
CURLPROTO_FTPS, /* protocol */
PROTOPT_SSL | PROTOPT_DUAL | PROTOPT_CLOSEACTION |
- PROTOPT_NEEDSPWD | PROTOPT_NOURLQUERY /* flags */
+ PROTOPT_NEEDSPWD | PROTOPT_NOURLQUERY | PROTOPT_WILDCARD /* flags */
};
#endif
@@ -3177,7 +3178,7 @@ static CURLcode ftp_done(struct connectdata *conn, CURLcode status,
/* now store a copy of the directory we are in */
free(ftpc->prevpath);
- if(data->set.wildcardmatch) {
+ if(data->state.wildcardmatch) {
if(data->set.chunk_end && ftpc->file) {
data->set.chunk_end(data->wildcard.customptr);
}
@@ -3962,7 +3963,7 @@ static CURLcode ftp_do(struct connectdata *conn, bool *done)
*done = FALSE; /* default to false */
ftpc->wait_data_conn = FALSE; /* default to no such wait */
- if(conn->data->set.wildcardmatch) {
+ if(conn->data->state.wildcardmatch) {
result = wc_statemach(conn);
if(conn->data->wildcard.state == CURLWC_SKIP ||
conn->data->wildcard.state == CURLWC_DONE) {
diff --git a/lib/multi.c b/lib/multi.c
index bf0e89ae6..658a18b15 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -1663,7 +1663,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
if(!result) {
if(!dophase_done) {
/* some steps needed for wildcard matching */
- if(data->set.wildcardmatch) {
+ if(data->state.wildcardmatch) {
struct WildcardData *wc = &data->wildcard;
if(wc->state == CURLWC_DONE || wc->state == CURLWC_SKIP) {
/* skip some states if it is important */
@@ -1815,7 +1815,13 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
(data->easy_conn->writesockfd != CURL_SOCKET_BAD))
multistate(data, CURLM_STATE_WAITPERFORM);
else
+ {
+ if(data->state.wildcardmatch &&
+ ((data->easy_conn->handler->flags & PROTOPT_WILDCARD) == 0)) {
+ data->wildcard.state = CURLWC_DONE;
+ }
multistate(data, CURLM_STATE_DONE);
+ }
rc = CURLM_CALL_MULTI_PERFORM;
break;
@@ -2032,7 +2038,7 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
data->easy_conn = NULL;
}
- if(data->set.wildcardmatch) {
+ if(data->state.wildcardmatch) {
if(data->wildcard.state != CURLWC_DONE) {
/* if a wildcard is set and we are not ending -> lets start again
with CURLM_STATE_INIT */
diff --git a/lib/transfer.c b/lib/transfer.c
index c4cc16060..75659cf44 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -1344,6 +1344,7 @@ CURLcode Curl_pretransfer(struct Curl_easy *data)
if(result)
return result;
+ data->state.wildcardmatch = data->set.wildcard_enabled;
data->set.followlocation = 0; /* reset the location-follow counter */
data->state.this_is_a_follow = FALSE; /* reset this */
data->state.errorbuf = FALSE; /* no error has occurred */
@@ -1401,7 +1402,7 @@ CURLcode Curl_pretransfer(struct Curl_easy *data)
data->state.authhost.picked &= data->state.authhost.want;
data->state.authproxy.picked &= data->state.authproxy.want;
- if(data->set.wildcardmatch) {
+ if(data->state.wildcardmatch) {
struct WildcardData *wc = &data->wildcard;
if(wc->state < CURLWC_INIT) {
result = Curl_wildcard_init(wc); /* init wildcard structures */
diff --git a/lib/url.c b/lib/url.c
index 3a913dae8..f79380945 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -489,12 +489,8 @@ CURLcode Curl_close(struct Curl_easy *data)
Curl_share_unlock(data, CURL_LOCK_DATA_SHARE);
}
- if(data->set.wildcardmatch) {
- /* destruct wildcard structures if it is needed */
- struct WildcardData *wc = &data->wildcard;
- Curl_wildcard_dtor(wc);
- }
-
+ /* destruct wildcard structures if it is needed */
+ Curl_wildcard_dtor(&data->wildcard);
Curl_freeset(data);
free(data);
return CURLE_OK;
@@ -609,7 +605,7 @@ CURLcode Curl_init_userdefined(struct UserDefined *set)
return result;
#endif
- set->wildcardmatch = FALSE;
+ set->wildcard_enabled = FALSE;
set->chunk_bgn = ZERO_NULL;
set->chunk_end = ZERO_NULL;
@@ -2966,7 +2962,7 @@ CURLcode Curl_setopt(struct Curl_easy *data, CURLoption option,
break;
case CURLOPT_WILDCARDMATCH:
- data->set.wildcardmatch = (0 != va_arg(param, long)) ? TRUE : FALSE;
+ data->set.wildcard_enabled = (0 != va_arg(param, long)) ? TRUE : FALSE;
break;
case CURLOPT_CHUNK_BGN_FUNCTION:
data->set.chunk_bgn = va_arg(param, curl_chunk_bgn_callback);
@@ -7225,6 +7221,11 @@ CURLcode Curl_init_do(struct Curl_easy *data, struct connectdata *conn)
data->state.done = FALSE; /* *_done() is not called yet */
data->state.expect100header = FALSE;
+ /* if the protocol used doesn't support wildcards, switch it off */
+ if(data->state.wildcardmatch &&
+ !(conn->handler->flags & PROTOPT_WILDCARD))
+ data->state.wildcardmatch = FALSE;
+
if(data->set.opt_no_body)
/* in HTTP lingo, no body means using the HEAD request... */
data->set.httpreq = HTTPREQ_HEAD;
diff --git a/lib/urldata.h b/lib/urldata.h
index 964999c1f..30e13a452 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -719,6 +719,7 @@ struct Curl_handler {
#define PROTOPT_PROXY_AS_HTTP (1<<11) /* allow this non-HTTP scheme over a
HTTP proxy as HTTP proxies may know
this protocol and act as a gateway */
+#define PROTOPT_WILDCARD (1<<12) /* protocol supports wildcard matching */
#define CONNCHECK_NONE 0 /* No checks */
#define CONNCHECK_ISDEAD (1<<0) /* Check if the connection is dead. */
@@ -1308,7 +1309,7 @@ struct UrlState {
/* set after initial USER failure, to prevent an authentication loop */
bool ftp_trying_alternative;
-
+ bool wildcardmatch; /* enable wildcard matching */
int httpversion; /* the lowest HTTP version*10 reported by any server
involved in this request */
bool expect100header; /* TRUE if we added Expect: 100-continue */
@@ -1672,7 +1673,7 @@ struct UserDefined {
/* Common RTSP header options */
Curl_RtspReq rtspreq; /* RTSP request type */
long rtspversion; /* like httpversion, for RTSP */
- bool wildcardmatch; /* enable wildcard matching */
+ bool wildcard_enabled; /* enable wildcard matching */
curl_chunk_bgn_callback chunk_bgn; /* called before part of transfer
starts */
curl_chunk_end_callback chunk_end; /* called after part transferring