From 247a6afb7e7fb1bc08a31cb7edbbea5f5b44eb93 Mon Sep 17 00:00:00 2001 From: Quincey Koziol Date: Thu, 13 Dec 2018 17:31:00 -0600 Subject: Fix plugin code from referencing invalid key ID value, and also switch from strtok() to strtok_r() to avoid possible interference with / to application use of strtok(). --- src/H5PLint.c | 2 +- src/H5PLpath.c | 10 +++++----- src/H5PLpkg.h | 2 +- src/H5PLplugin_cache.c | 2 +- src/H5private.h | 3 +++ test/h5test.c | 15 +++++++++------ 6 files changed, 20 insertions(+), 14 deletions(-) diff --git a/src/H5PLint.c b/src/H5PLint.c index bbe71fe..ded315a 100644 --- a/src/H5PLint.c +++ b/src/H5PLint.c @@ -262,7 +262,7 @@ H5PL_load(H5PL_type_t type, const H5PL_key_t *key) /* Set up the search parameters */ search_params.type = type; - search_params.key.id = key->id; + search_params.key = key; /* Search in the table of already loaded plugin libraries */ if(H5PL__find_plugin_in_cache(&search_params, &found, &plugin_info) < 0) diff --git a/src/H5PLpath.c b/src/H5PLpath.c index d53007b..04248b5 100644 --- a/src/H5PLpath.c +++ b/src/H5PLpath.c @@ -242,6 +242,7 @@ H5PL__create_path_table(void) * environment variable or the default. */ char *next_path = NULL; /* A path tokenized from the paths string */ + char *lasts = NULL; /* Context pointer for strtok_r() call */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE @@ -265,8 +266,7 @@ H5PL__create_path_table(void) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "can't allocate memory for path copy") /* Separate the paths and store them */ - /* XXX: strtok() is not thread-safe */ - next_path = HDstrtok(paths, H5PL_PATH_SEPARATOR); + next_path = HDstrtok_r(paths, H5PL_PATH_SEPARATOR, &lasts); while (next_path) { /* Insert the path into the table */ @@ -274,7 +274,7 @@ H5PL__create_path_table(void) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTALLOC, FAIL, "can't insert path: %s", next_path) /* Get the next path from the environment string */ - next_path = HDstrtok(NULL, H5PL_PATH_SEPARATOR); + next_path = HDstrtok_r(NULL, H5PL_PATH_SEPARATOR, &lasts); } /* end while */ done: @@ -689,7 +689,7 @@ H5PL__find_plugin_in_path(const H5PL_search_params_t *search_params, hbool_t *fo continue; /* attempt to open the dynamic library as a filter library */ - if (H5PL__open(path, search_params->type, &(search_params->key), found, plugin_info) < 0) + if (H5PL__open(path, search_params->type, search_params->key, found, plugin_info) < 0) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTGET, FAIL, "search in directory failed") if (*found) HGOTO_DONE(SUCCEED) @@ -755,7 +755,7 @@ H5PL__find_plugin_in_path(const H5PL_search_params_t *search_params, hbool_t *fo continue; /* attempt to open the dynamic library as a filter library */ - if (H5PL__open(path, search_params->type, &(search_params->key), found, plugin_info) < 0) + if (H5PL__open(path, search_params->type, search_params->key, found, plugin_info) < 0) HGOTO_ERROR(H5E_PLUGIN, H5E_CANTGET, FAIL, "search in directory failed") if (*found) HGOTO_DONE(SUCCEED) diff --git a/src/H5PLpkg.h b/src/H5PLpkg.h index d60da82..c3ad8f5 100644 --- a/src/H5PLpkg.h +++ b/src/H5PLpkg.h @@ -116,7 +116,7 @@ /* Data used to search for plugins */ typedef struct H5PL_search_params_t { H5PL_type_t type; - H5PL_key_t key; + const H5PL_key_t *key; } H5PL_search_params_t; diff --git a/src/H5PLplugin_cache.c b/src/H5PLplugin_cache.c index 7fe676d..cd0b4d6 100644 --- a/src/H5PLplugin_cache.c +++ b/src/H5PLplugin_cache.c @@ -276,7 +276,7 @@ H5PL__find_plugin_in_cache(const H5PL_search_params_t *search_params, hbool_t *f for (u = 0; u < H5PL_num_plugins_g; u++) { /* If the plugin type (filter, etc.) and ID match, query the plugin for its info */ - if ((search_params->type == (H5PL_cache_g[u]).type) && (search_params->key.id == (H5PL_cache_g[u]).key.id)) { + if ((search_params->type == (H5PL_cache_g[u]).type) && (search_params->key->id == (H5PL_cache_g[u]).key.id)) { H5PL_get_plugin_info_t get_plugin_info_function; const H5Z_class2_t *filter_info; diff --git a/src/H5private.h b/src/H5private.h index b654bae..f48fa7b 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -1393,6 +1393,9 @@ typedef off_t h5_stat_size_t; #ifndef HDstrtok #define HDstrtok(X,Y) strtok(X,Y) #endif /* HDstrtok */ +#ifndef HDstrtok_r + #define HDstrtok_r(X,Y,Z) strtok_r(X,Y,Z) +#endif /* HDstrtok */ #ifndef HDstrtol #define HDstrtol(S,R,N) strtol(S,R,N) #endif /* HDstrtol */ diff --git a/test/h5test.c b/test/h5test.c index 0805f06..6aad76a 100644 --- a/test/h5test.c +++ b/test/h5test.c @@ -855,6 +855,7 @@ h5_get_vfd_fapl(hid_t fapl) { const char *env = NULL; /* HDF5_DRIVER environment variable */ const char *tok = NULL; /* strtok pointer */ + char *lasts = NULL; /* Context pointer for strtok_r() call */ char buf[1024]; /* buffer for tokenizing HDF5_DRIVER */ /* Get the environment variable, if it exists */ @@ -877,7 +878,7 @@ h5_get_vfd_fapl(hid_t fapl) */ HDstrncpy(buf, env, sizeof(buf)); buf[sizeof(buf) - 1] = '\0'; - if(NULL == (tok = HDstrtok(buf, " \t\n\r"))) + if(NULL == (tok = HDstrtok_r(buf, " \t\n\r", &lasts))) goto done; if(!HDstrcmp(tok, "sec2")) { @@ -936,7 +937,7 @@ h5_get_vfd_fapl(hid_t fapl) hsize_t fam_size = 100 * 1024 * 1024; /* 100 MB */ /* Was a family size specified in the environment variable? */ - if((tok = HDstrtok(NULL, " \t\n\r"))) + if((tok = HDstrtok_r(NULL, " \t\n\r", &lasts))) fam_size = (hsize_t)(HDstrtod(tok, NULL) * 1024 * 1024); if(H5Pset_fapl_family(fapl, fam_size, H5P_DEFAULT) < 0) goto error; @@ -945,7 +946,7 @@ h5_get_vfd_fapl(hid_t fapl) unsigned log_flags = H5FD_LOG_LOC_IO | H5FD_LOG_ALLOC; /* Were special log file flags specified in the environment variable? */ - if((tok = HDstrtok(NULL, " \t\n\r"))) + if((tok = HDstrtok_r(NULL, " \t\n\r", &lasts))) log_flags = (unsigned)HDstrtol(tok, NULL, 0); if(H5Pset_fapl_log(fapl, NULL, log_flags, (size_t)0) < 0) @@ -990,6 +991,7 @@ h5_get_libver_fapl(hid_t fapl) { const char *env = NULL; /* HDF5_DRIVER environment variable */ const char *tok = NULL; /* strtok pointer */ + char *lasts = NULL; /* Context pointer for strtok_r() call */ char buf[1024]; /* buffer for tokenizing HDF5_DRIVER */ /* Get the environment variable, if it exists */ @@ -1012,7 +1014,7 @@ h5_get_libver_fapl(hid_t fapl) */ HDstrncpy(buf, env, sizeof(buf)); buf[sizeof(buf) - 1] = '\0'; - if(NULL == (tok = HDstrtok(buf, " \t\n\r"))) + if(NULL == (tok = HDstrtok_r(buf, " \t\n\r", &lasts))) goto done; if(!HDstrcmp(tok, "latest")) { @@ -1053,6 +1055,7 @@ h5_get_vol_fapl(hid_t fapl) { const char *env = NULL; const char *tok = NULL; + char *lasts = NULL; /* Context pointer for strtok_r() call */ htri_t connector_is_registered; char buf[1024]; /* Buffer for tokenizing HDF5_VOL_CONNECTOR */ void *vol_info = NULL; /* VOL connector info */ @@ -1075,7 +1078,7 @@ h5_get_vol_fapl(hid_t fapl) */ HDstrncpy(buf, env, sizeof(buf)); buf[sizeof(buf) - 1] = '\0'; - if(NULL == (tok = HDstrtok(buf, " \t\n\r"))) + if(NULL == (tok = HDstrtok_r(buf, " \t\n\r", &lasts))) goto done; /* First, check to see if the connector is already registered */ @@ -1105,7 +1108,7 @@ h5_get_vol_fapl(hid_t fapl) } /* end else */ /* Was there any connector info specified in the environment variable? */ - if(NULL != (tok = HDstrtok(NULL, " \t\n\r"))) + if(NULL != (tok = HDstrtok_r(NULL, " \t\n\r", &lasts))) if(H5VLconnector_str_to_info(tok, connector_id, &vol_info) < 0) goto error; 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