mirror of
https://github.com/moparisthebest/curl
synced 2024-12-24 00:58:48 -05:00
ftplistparser: keep state between invokes
Fixes FTP wildcard parsing when doing over a number of read buffers.
Regression from f786d1f14
Reported-by: wncboy on github
Fixes #2445
Closes #2519
This commit is contained in:
parent
98a768f0a6
commit
abbc8457d8
@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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* \___|\___/|_| \_\_____|
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*
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*
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* Copyright (C) 2010 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 2010 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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*
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* This software is licensed as described in the file COPYING, which
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* you should have received as part of this distribution. The terms
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@ -33,14 +33,11 @@ struct fileinfo *Curl_fileinfo_alloc(void)
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return calloc(1, sizeof(struct fileinfo));
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return calloc(1, sizeof(struct fileinfo));
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}
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}
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void Curl_fileinfo_dtor(void *user, void *element)
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void Curl_fileinfo_cleanup(struct fileinfo *finfo)
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{
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{
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struct fileinfo *finfo = element;
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(void) user;
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if(!finfo)
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if(!finfo)
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return;
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return;
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Curl_safefree(finfo->info.b_data);
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Curl_safefree(finfo->info.b_data);
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free(finfo);
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free(finfo);
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}
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}
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@ -7,7 +7,7 @@
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* | (__| |_| | _ <| |___
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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* \___|\___/|_| \_\_____|
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*
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*
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* Copyright (C) 2010, 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 2010 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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*
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* This software is licensed as described in the file COPYING, which
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* you should have received as part of this distribution. The terms
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@ -31,7 +31,6 @@ struct fileinfo {
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};
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};
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struct fileinfo *Curl_fileinfo_alloc(void);
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struct fileinfo *Curl_fileinfo_alloc(void);
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void Curl_fileinfo_cleanup(struct fileinfo *finfo);
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void Curl_fileinfo_dtor(void *, void *);
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#endif /* HEADER_CURL_FILEINFO_H */
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#endif /* HEADER_CURL_FILEINFO_H */
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37
lib/ftp.c
37
lib/ftp.c
@ -3699,7 +3699,7 @@ static CURLcode init_wc_data(struct connectdata *conn)
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char *path = conn->data->state.path;
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char *path = conn->data->state.path;
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struct WildcardData *wildcard = &(conn->data->wildcard);
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struct WildcardData *wildcard = &(conn->data->wildcard);
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CURLcode result = CURLE_OK;
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CURLcode result = CURLE_OK;
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struct ftp_wc *ftpwc;
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struct ftp_wc *ftpwc = NULL;
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last_slash = strrchr(conn->data->state.path, '/');
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last_slash = strrchr(conn->data->state.path, '/');
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if(last_slash) {
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if(last_slash) {
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@ -3734,16 +3734,15 @@ static CURLcode init_wc_data(struct connectdata *conn)
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/* allocate ftp protocol specific wildcard data */
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/* allocate ftp protocol specific wildcard data */
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ftpwc = calloc(1, sizeof(struct ftp_wc));
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ftpwc = calloc(1, sizeof(struct ftp_wc));
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if(!ftpwc) {
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if(!ftpwc) {
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Curl_safefree(wildcard->pattern);
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result = CURLE_OUT_OF_MEMORY;
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return CURLE_OUT_OF_MEMORY;
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goto fail;
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}
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}
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/* INITIALIZE parselist structure */
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/* INITIALIZE parselist structure */
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ftpwc->parser = Curl_ftp_parselist_data_alloc();
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ftpwc->parser = Curl_ftp_parselist_data_alloc();
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if(!ftpwc->parser) {
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if(!ftpwc->parser) {
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Curl_safefree(wildcard->pattern);
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result = CURLE_OUT_OF_MEMORY;
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free(ftpwc);
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goto fail;
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return CURLE_OUT_OF_MEMORY;
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}
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}
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wildcard->protdata = ftpwc; /* put it to the WildcardData tmp pointer */
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wildcard->protdata = ftpwc; /* put it to the WildcardData tmp pointer */
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@ -3756,20 +3755,13 @@ static CURLcode init_wc_data(struct connectdata *conn)
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/* try to parse ftp url */
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/* try to parse ftp url */
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result = ftp_parse_url_path(conn);
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result = ftp_parse_url_path(conn);
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if(result) {
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if(result) {
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Curl_safefree(wildcard->pattern);
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goto fail;
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wildcard->dtor(wildcard->protdata);
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wildcard->dtor = ZERO_NULL;
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wildcard->protdata = NULL;
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return result;
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}
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}
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wildcard->path = strdup(conn->data->state.path);
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wildcard->path = strdup(conn->data->state.path);
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if(!wildcard->path) {
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if(!wildcard->path) {
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Curl_safefree(wildcard->pattern);
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result = CURLE_OUT_OF_MEMORY;
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wildcard->dtor(wildcard->protdata);
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goto fail;
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wildcard->dtor = ZERO_NULL;
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wildcard->protdata = NULL;
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return CURLE_OUT_OF_MEMORY;
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}
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}
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/* backup old write_function */
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/* backup old write_function */
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@ -3783,6 +3775,17 @@ static CURLcode init_wc_data(struct connectdata *conn)
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infof(conn->data, "Wildcard - Parsing started\n");
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infof(conn->data, "Wildcard - Parsing started\n");
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return CURLE_OK;
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return CURLE_OK;
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fail:
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if(ftpwc) {
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Curl_ftp_parselist_data_free(&ftpwc->parser);
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free(ftpwc);
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}
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Curl_safefree(wildcard->pattern);
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wildcard->dtor(wildcard->protdata);
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wildcard->dtor = ZERO_NULL;
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wildcard->protdata = NULL;
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return result;
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}
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}
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/* This is called recursively */
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/* This is called recursively */
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@ -3903,6 +3906,8 @@ static CURLcode wc_statemach(struct connectdata *conn)
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case CURLWC_DONE:
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case CURLWC_DONE:
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case CURLWC_ERROR:
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case CURLWC_ERROR:
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case CURLWC_CLEAR:
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case CURLWC_CLEAR:
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if(wildcard->dtor)
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wildcard->dtor(wildcard->protdata);
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break;
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break;
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}
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}
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@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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* \___|\___/|_| \_\_____|
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*
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*
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* Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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*
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* This software is licensed as described in the file COPYING, which
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* you should have received as part of this distribution. The terms
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@ -185,10 +185,13 @@ struct ftp_parselist_data *Curl_ftp_parselist_data_alloc(void)
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}
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}
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void Curl_ftp_parselist_data_free(struct ftp_parselist_data **pl_data)
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void Curl_ftp_parselist_data_free(struct ftp_parselist_data **parserp)
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{
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{
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free(*pl_data);
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struct ftp_parselist_data *parser = *parserp;
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*pl_data = NULL;
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if(parser)
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Curl_fileinfo_cleanup(parser->file_data);
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free(parser);
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*parserp = NULL;
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}
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}
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@ -313,7 +316,7 @@ static CURLcode ftp_pl_insert_finfo(struct connectdata *conn,
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Curl_llist_insert_next(llist, llist->tail, finfo, &infop->list);
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Curl_llist_insert_next(llist, llist->tail, finfo, &infop->list);
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}
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}
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else {
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else {
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Curl_fileinfo_dtor(NULL, finfo);
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Curl_fileinfo_cleanup(infop);
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}
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}
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ftpwc->parser->file_data = NULL;
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ftpwc->parser->file_data = NULL;
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@ -381,7 +384,7 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
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finfo->b_data = tmp;
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finfo->b_data = tmp;
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}
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}
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else {
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else {
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Curl_fileinfo_dtor(NULL, parser->file_data);
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Curl_fileinfo_cleanup(parser->file_data);
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parser->file_data = NULL;
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parser->file_data = NULL;
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parser->error = CURLE_OUT_OF_MEMORY;
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parser->error = CURLE_OUT_OF_MEMORY;
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goto fail;
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goto fail;
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@ -1003,12 +1006,13 @@ size_t Curl_ftp_parselist(char *buffer, size_t size, size_t nmemb,
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i++;
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i++;
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}
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}
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return retsize;
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fail:
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fail:
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/* Clean up any allocated memory. */
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/* Clean up any allocated memory. */
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if(parser->file_data) {
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if(parser->file_data) {
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Curl_fileinfo_dtor(NULL, parser->file_data);
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Curl_fileinfo_cleanup(parser->file_data);
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parser->file_data = NULL;
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parser->file_data = NULL;
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}
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}
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@ -30,9 +30,15 @@
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#include "curl_memory.h"
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#include "curl_memory.h"
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#include "memdebug.h"
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#include "memdebug.h"
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static void fileinfo_dtor(void *user, void *element)
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{
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(void)user;
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Curl_fileinfo_cleanup(element);
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}
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CURLcode Curl_wildcard_init(struct WildcardData *wc)
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CURLcode Curl_wildcard_init(struct WildcardData *wc)
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{
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{
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Curl_llist_init(&wc->filelist, Curl_fileinfo_dtor);
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Curl_llist_init(&wc->filelist, fileinfo_dtor);
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wc->state = CURLWC_INIT;
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wc->state = CURLWC_INIT;
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return CURLE_OK;
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return CURLE_OK;
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