aboutsummaryrefslogtreecommitdiffstats
path: root/crypto/conf/conf_mod.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/conf/conf_mod.c')
-rw-r--r--crypto/conf/conf_mod.c878
1 files changed, 426 insertions, 452 deletions
diff --git a/crypto/conf/conf_mod.c b/crypto/conf/conf_mod.c
index df1642a0a562..9acfca4f7198 100644
--- a/crypto/conf/conf_mod.c
+++ b/crypto/conf/conf_mod.c
@@ -1,6 +1,7 @@
/* conf_mod.c */
-/* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
- * project 2001.
+/*
+ * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project
+ * 2001.
*/
/* ====================================================================
* Copyright (c) 2001 The OpenSSL Project. All rights reserved.
@@ -10,7 +11,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -64,45 +65,41 @@
#include <openssl/dso.h>
#include <openssl/x509.h>
-
#define DSO_mod_init_name "OPENSSL_init"
#define DSO_mod_finish_name "OPENSSL_finish"
-
-/* This structure contains a data about supported modules.
- * entries in this table correspond to either dynamic or
- * static modules.
+/*
+ * This structure contains a data about supported modules. entries in this
+ * table correspond to either dynamic or static modules.
*/
-struct conf_module_st
- {
- /* DSO of this module or NULL if static */
- DSO *dso;
- /* Name of the module */
- char *name;
- /* Init function */
- conf_init_func *init;
- /* Finish function */
- conf_finish_func *finish;
- /* Number of successfully initialized modules */
- int links;
- void *usr_data;
- };
-
-
-/* This structure contains information about modules that have been
- * successfully initialized. There may be more than one entry for a
- * given module.
+struct conf_module_st {
+ /* DSO of this module or NULL if static */
+ DSO *dso;
+ /* Name of the module */
+ char *name;
+ /* Init function */
+ conf_init_func *init;
+ /* Finish function */
+ conf_finish_func *finish;
+ /* Number of successfully initialized modules */
+ int links;
+ void *usr_data;
+};
+
+/*
+ * This structure contains information about modules that have been
+ * successfully initialized. There may be more than one entry for a given
+ * module.
*/
-struct conf_imodule_st
- {
- CONF_MODULE *pmod;
- char *name;
- char *value;
- unsigned long flags;
- void *usr_data;
- };
+struct conf_imodule_st {
+ CONF_MODULE *pmod;
+ char *name;
+ char *value;
+ unsigned long flags;
+ void *usr_data;
+};
static STACK_OF(CONF_MODULE) *supported_modules = NULL;
static STACK_OF(CONF_IMODULE) *initialized_modules = NULL;
@@ -110,514 +107,491 @@ static STACK_OF(CONF_IMODULE) *initialized_modules = NULL;
static void module_free(CONF_MODULE *md);
static void module_finish(CONF_IMODULE *imod);
static int module_run(const CONF *cnf, char *name, char *value,
- unsigned long flags);
+ unsigned long flags);
static CONF_MODULE *module_add(DSO *dso, const char *name,
- conf_init_func *ifunc, conf_finish_func *ffunc);
+ conf_init_func *ifunc,
+ conf_finish_func *ffunc);
static CONF_MODULE *module_find(char *name);
static int module_init(CONF_MODULE *pmod, char *name, char *value,
- const CONF *cnf);
+ const CONF *cnf);
static CONF_MODULE *module_load_dso(const CONF *cnf, char *name, char *value,
- unsigned long flags);
+ unsigned long flags);
/* Main function: load modules from a CONF structure */
int CONF_modules_load(const CONF *cnf, const char *appname,
- unsigned long flags)
- {
- STACK_OF(CONF_VALUE) *values;
- CONF_VALUE *vl;
- char *vsection = NULL;
+ unsigned long flags)
+{
+ STACK_OF(CONF_VALUE) *values;
+ CONF_VALUE *vl;
+ char *vsection = NULL;
- int ret, i;
+ int ret, i;
- if (!cnf)
- return 1;
+ if (!cnf)
+ return 1;
- if (appname)
- vsection = NCONF_get_string(cnf, NULL, appname);
+ if (appname)
+ vsection = NCONF_get_string(cnf, NULL, appname);
- if (!appname || (!vsection && (flags & CONF_MFLAGS_DEFAULT_SECTION)))
- vsection = NCONF_get_string(cnf, NULL, "openssl_conf");
+ if (!appname || (!vsection && (flags & CONF_MFLAGS_DEFAULT_SECTION)))
+ vsection = NCONF_get_string(cnf, NULL, "openssl_conf");
- if (!vsection)
- {
- ERR_clear_error();
- return 1;
- }
+ if (!vsection) {
+ ERR_clear_error();
+ return 1;
+ }
- values = NCONF_get_section(cnf, vsection);
+ values = NCONF_get_section(cnf, vsection);
- if (!values)
- return 0;
+ if (!values)
+ return 0;
- for (i = 0; i < sk_CONF_VALUE_num(values); i++)
- {
- vl = sk_CONF_VALUE_value(values, i);
- ret = module_run(cnf, vl->name, vl->value, flags);
- if (ret <= 0)
- if(!(flags & CONF_MFLAGS_IGNORE_ERRORS))
- return ret;
- }
+ for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
+ vl = sk_CONF_VALUE_value(values, i);
+ ret = module_run(cnf, vl->name, vl->value, flags);
+ if (ret <= 0)
+ if (!(flags & CONF_MFLAGS_IGNORE_ERRORS))
+ return ret;
+ }
- return 1;
+ return 1;
- }
+}
int CONF_modules_load_file(const char *filename, const char *appname,
- unsigned long flags)
- {
- char *file = NULL;
- CONF *conf = NULL;
- int ret = 0;
- conf = NCONF_new(NULL);
- if (!conf)
- goto err;
-
- if (filename == NULL)
- {
- file = CONF_get1_default_config_file();
- if (!file)
- goto err;
- }
- else
- file = (char *)filename;
-
- if (NCONF_load(conf, file, NULL) <= 0)
- {
- if ((flags & CONF_MFLAGS_IGNORE_MISSING_FILE) &&
- (ERR_GET_REASON(ERR_peek_last_error()) == CONF_R_NO_SUCH_FILE))
- {
- ERR_clear_error();
- ret = 1;
- }
- goto err;
- }
-
- ret = CONF_modules_load(conf, appname, flags);
-
- err:
- if (filename == NULL)
- OPENSSL_free(file);
- NCONF_free(conf);
-
- return ret;
- }
+ unsigned long flags)
+{
+ char *file = NULL;
+ CONF *conf = NULL;
+ int ret = 0;
+ conf = NCONF_new(NULL);
+ if (!conf)
+ goto err;
+
+ if (filename == NULL) {
+ file = CONF_get1_default_config_file();
+ if (!file)
+ goto err;
+ } else
+ file = (char *)filename;
+
+ if (NCONF_load(conf, file, NULL) <= 0) {
+ if ((flags & CONF_MFLAGS_IGNORE_MISSING_FILE) &&
+ (ERR_GET_REASON(ERR_peek_last_error()) == CONF_R_NO_SUCH_FILE)) {
+ ERR_clear_error();
+ ret = 1;
+ }
+ goto err;
+ }
+
+ ret = CONF_modules_load(conf, appname, flags);
+
+ err:
+ if (filename == NULL)
+ OPENSSL_free(file);
+ NCONF_free(conf);
+
+ return ret;
+}
static int module_run(const CONF *cnf, char *name, char *value,
- unsigned long flags)
- {
- CONF_MODULE *md;
- int ret;
-
- md = module_find(name);
-
- /* Module not found: try to load DSO */
- if (!md && !(flags & CONF_MFLAGS_NO_DSO))
- md = module_load_dso(cnf, name, value, flags);
-
- if (!md)
- {
- if (!(flags & CONF_MFLAGS_SILENT))
- {
- CONFerr(CONF_F_MODULE_RUN, CONF_R_UNKNOWN_MODULE_NAME);
- ERR_add_error_data(2, "module=", name);
- }
- return -1;
- }
-
- ret = module_init(md, name, value, cnf);
-
- if (ret <= 0)
- {
- if (!(flags & CONF_MFLAGS_SILENT))
- {
- char rcode[DECIMAL_SIZE(ret)+1];
- CONFerr(CONF_F_MODULE_RUN, CONF_R_MODULE_INITIALIZATION_ERROR);
- BIO_snprintf(rcode, sizeof rcode, "%-8d", ret);
- ERR_add_error_data(6, "module=", name, ", value=", value, ", retcode=", rcode);
- }
- }
-
- return ret;
- }
+ unsigned long flags)
+{
+ CONF_MODULE *md;
+ int ret;
+
+ md = module_find(name);
+
+ /* Module not found: try to load DSO */
+ if (!md && !(flags & CONF_MFLAGS_NO_DSO))
+ md = module_load_dso(cnf, name, value, flags);
+
+ if (!md) {
+ if (!(flags & CONF_MFLAGS_SILENT)) {
+ CONFerr(CONF_F_MODULE_RUN, CONF_R_UNKNOWN_MODULE_NAME);
+ ERR_add_error_data(2, "module=", name);
+ }
+ return -1;
+ }
+
+ ret = module_init(md, name, value, cnf);
+
+ if (ret <= 0) {
+ if (!(flags & CONF_MFLAGS_SILENT)) {
+ char rcode[DECIMAL_SIZE(ret) + 1];
+ CONFerr(CONF_F_MODULE_RUN, CONF_R_MODULE_INITIALIZATION_ERROR);
+ BIO_snprintf(rcode, sizeof rcode, "%-8d", ret);
+ ERR_add_error_data(6, "module=", name, ", value=", value,
+ ", retcode=", rcode);
+ }
+ }
+
+ return ret;
+}
/* Load a module from a DSO */
static CONF_MODULE *module_load_dso(const CONF *cnf, char *name, char *value,
- unsigned long flags)
- {
- DSO *dso = NULL;
- conf_init_func *ifunc;
- conf_finish_func *ffunc;
- char *path = NULL;
- int errcode = 0;
- CONF_MODULE *md;
- /* Look for alternative path in module section */
- path = NCONF_get_string(cnf, value, "path");
- if (!path)
- {
- ERR_clear_error();
- path = name;
- }
- dso = DSO_load(NULL, path, NULL, 0);
- if (!dso)
- {
- errcode = CONF_R_ERROR_LOADING_DSO;
- goto err;
- }
- ifunc = (conf_init_func *)DSO_bind_func(dso, DSO_mod_init_name);
- if (!ifunc)
- {
- errcode = CONF_R_MISSING_INIT_FUNCTION;
- goto err;
- }
- ffunc = (conf_finish_func *)DSO_bind_func(dso, DSO_mod_finish_name);
- /* All OK, add module */
- md = module_add(dso, name, ifunc, ffunc);
-
- if (!md)
- goto err;
-
- return md;
-
- err:
- if (dso)
- DSO_free(dso);
- CONFerr(CONF_F_MODULE_LOAD_DSO, errcode);
- ERR_add_error_data(4, "module=", name, ", path=", path);
- return NULL;
- }
+ unsigned long flags)
+{
+ DSO *dso = NULL;
+ conf_init_func *ifunc;
+ conf_finish_func *ffunc;
+ char *path = NULL;
+ int errcode = 0;
+ CONF_MODULE *md;
+ /* Look for alternative path in module section */
+ path = NCONF_get_string(cnf, value, "path");
+ if (!path) {
+ ERR_clear_error();
+ path = name;
+ }
+ dso = DSO_load(NULL, path, NULL, 0);
+ if (!dso) {
+ errcode = CONF_R_ERROR_LOADING_DSO;
+ goto err;
+ }
+ ifunc = (conf_init_func *)DSO_bind_func(dso, DSO_mod_init_name);
+ if (!ifunc) {
+ errcode = CONF_R_MISSING_INIT_FUNCTION;
+ goto err;
+ }
+ ffunc = (conf_finish_func *)DSO_bind_func(dso, DSO_mod_finish_name);
+ /* All OK, add module */
+ md = module_add(dso, name, ifunc, ffunc);
+
+ if (!md)
+ goto err;
+
+ return md;
+
+ err:
+ if (dso)
+ DSO_free(dso);
+ CONFerr(CONF_F_MODULE_LOAD_DSO, errcode);
+ ERR_add_error_data(4, "module=", name, ", path=", path);
+ return NULL;
+}
/* add module to list */
static CONF_MODULE *module_add(DSO *dso, const char *name,
- conf_init_func *ifunc, conf_finish_func *ffunc)
- {
- CONF_MODULE *tmod = NULL;
- if (supported_modules == NULL)
- supported_modules = sk_CONF_MODULE_new_null();
- if (supported_modules == NULL)
- return NULL;
- tmod = OPENSSL_malloc(sizeof(CONF_MODULE));
- if (tmod == NULL)
- return NULL;
-
- tmod->dso = dso;
- tmod->name = BUF_strdup(name);
- tmod->init = ifunc;
- tmod->finish = ffunc;
- tmod->links = 0;
-
- if (!sk_CONF_MODULE_push(supported_modules, tmod))
- {
- OPENSSL_free(tmod);
- return NULL;
- }
-
- return tmod;
- }
-
-/* Find a module from the list. We allow module names of the
- * form modname.XXXX to just search for modname to allow the
- * same module to be initialized more than once.
+ conf_init_func *ifunc, conf_finish_func *ffunc)
+{
+ CONF_MODULE *tmod = NULL;
+ if (supported_modules == NULL)
+ supported_modules = sk_CONF_MODULE_new_null();
+ if (supported_modules == NULL)
+ return NULL;
+ tmod = OPENSSL_malloc(sizeof(CONF_MODULE));
+ if (tmod == NULL)
+ return NULL;
+
+ tmod->dso = dso;
+ tmod->name = BUF_strdup(name);
+ tmod->init = ifunc;
+ tmod->finish = ffunc;
+ tmod->links = 0;
+
+ if (!sk_CONF_MODULE_push(supported_modules, tmod)) {
+ OPENSSL_free(tmod);
+ return NULL;
+ }
+
+ return tmod;
+}
+
+/*
+ * Find a module from the list. We allow module names of the form
+ * modname.XXXX to just search for modname to allow the same module to be
+ * initialized more than once.
*/
static CONF_MODULE *module_find(char *name)
- {
- CONF_MODULE *tmod;
- int i, nchar;
- char *p;
- p = strrchr(name, '.');
+{
+ CONF_MODULE *tmod;
+ int i, nchar;
+ char *p;
+ p = strrchr(name, '.');
- if (p)
- nchar = p - name;
- else
- nchar = strlen(name);
+ if (p)
+ nchar = p - name;
+ else
+ nchar = strlen(name);
- for (i = 0; i < sk_CONF_MODULE_num(supported_modules); i++)
- {
- tmod = sk_CONF_MODULE_value(supported_modules, i);
- if (!strncmp(tmod->name, name, nchar))
- return tmod;
- }
+ for (i = 0; i < sk_CONF_MODULE_num(supported_modules); i++) {
+ tmod = sk_CONF_MODULE_value(supported_modules, i);
+ if (!strncmp(tmod->name, name, nchar))
+ return tmod;
+ }
- return NULL;
+ return NULL;
- }
+}
/* initialize a module */
static int module_init(CONF_MODULE *pmod, char *name, char *value,
- const CONF *cnf)
- {
- int ret = 1;
- int init_called = 0;
- CONF_IMODULE *imod = NULL;
-
- /* Otherwise add initialized module to list */
- imod = OPENSSL_malloc(sizeof(CONF_IMODULE));
- if (!imod)
- goto err;
-
- imod->pmod = pmod;
- imod->name = BUF_strdup(name);
- imod->value = BUF_strdup(value);
- imod->usr_data = NULL;
-
- if (!imod->name || !imod->value)
- goto memerr;
-
- /* Try to initialize module */
- if(pmod->init)
- {
- ret = pmod->init(imod, cnf);
- init_called = 1;
- /* Error occurred, exit */
- if (ret <= 0)
- goto err;
- }
-
- if (initialized_modules == NULL)
- {
- initialized_modules = sk_CONF_IMODULE_new_null();
- if (!initialized_modules)
- {
- CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- }
-
- if (!sk_CONF_IMODULE_push(initialized_modules, imod))
- {
- CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- pmod->links++;
-
- return ret;
-
- err:
-
- /* We've started the module so we'd better finish it */
- if (pmod->finish && init_called)
- pmod->finish(imod);
-
- memerr:
- if (imod)
- {
- if (imod->name)
- OPENSSL_free(imod->name);
- if (imod->value)
- OPENSSL_free(imod->value);
- OPENSSL_free(imod);
- }
-
- return -1;
-
- }
-
-/* Unload any dynamic modules that have a link count of zero:
- * i.e. have no active initialized modules. If 'all' is set
- * then all modules are unloaded including static ones.
+ const CONF *cnf)
+{
+ int ret = 1;
+ int init_called = 0;
+ CONF_IMODULE *imod = NULL;
+
+ /* Otherwise add initialized module to list */
+ imod = OPENSSL_malloc(sizeof(CONF_IMODULE));
+ if (!imod)
+ goto err;
+
+ imod->pmod = pmod;
+ imod->name = BUF_strdup(name);
+ imod->value = BUF_strdup(value);
+ imod->usr_data = NULL;
+
+ if (!imod->name || !imod->value)
+ goto memerr;
+
+ /* Try to initialize module */
+ if (pmod->init) {
+ ret = pmod->init(imod, cnf);
+ init_called = 1;
+ /* Error occurred, exit */
+ if (ret <= 0)
+ goto err;
+ }
+
+ if (initialized_modules == NULL) {
+ initialized_modules = sk_CONF_IMODULE_new_null();
+ if (!initialized_modules) {
+ CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
+
+ if (!sk_CONF_IMODULE_push(initialized_modules, imod)) {
+ CONFerr(CONF_F_MODULE_INIT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ pmod->links++;
+
+ return ret;
+
+ err:
+
+ /* We've started the module so we'd better finish it */
+ if (pmod->finish && init_called)
+ pmod->finish(imod);
+
+ memerr:
+ if (imod) {
+ if (imod->name)
+ OPENSSL_free(imod->name);
+ if (imod->value)
+ OPENSSL_free(imod->value);
+ OPENSSL_free(imod);
+ }
+
+ return -1;
+
+}
+
+/*
+ * Unload any dynamic modules that have a link count of zero: i.e. have no
+ * active initialized modules. If 'all' is set then all modules are unloaded
+ * including static ones.
*/
void CONF_modules_unload(int all)
- {
- int i;
- CONF_MODULE *md;
- CONF_modules_finish();
- /* unload modules in reverse order */
- for (i = sk_CONF_MODULE_num(supported_modules) - 1; i >= 0; i--)
- {
- md = sk_CONF_MODULE_value(supported_modules, i);
- /* If static or in use and 'all' not set ignore it */
- if (((md->links > 0) || !md->dso) && !all)
- continue;
- /* Since we're working in reverse this is OK */
- (void)sk_CONF_MODULE_delete(supported_modules, i);
- module_free(md);
- }
- if (sk_CONF_MODULE_num(supported_modules) == 0)
- {
- sk_CONF_MODULE_free(supported_modules);
- supported_modules = NULL;
- }
- }
+{
+ int i;
+ CONF_MODULE *md;
+ CONF_modules_finish();
+ /* unload modules in reverse order */
+ for (i = sk_CONF_MODULE_num(supported_modules) - 1; i >= 0; i--) {
+ md = sk_CONF_MODULE_value(supported_modules, i);
+ /* If static or in use and 'all' not set ignore it */
+ if (((md->links > 0) || !md->dso) && !all)
+ continue;
+ /* Since we're working in reverse this is OK */
+ (void)sk_CONF_MODULE_delete(supported_modules, i);
+ module_free(md);
+ }
+ if (sk_CONF_MODULE_num(supported_modules) == 0) {
+ sk_CONF_MODULE_free(supported_modules);
+ supported_modules = NULL;
+ }
+}
/* unload a single module */
static void module_free(CONF_MODULE *md)
- {
- if (md->dso)
- DSO_free(md->dso);
- OPENSSL_free(md->name);
- OPENSSL_free(md);
- }
+{
+ if (md->dso)
+ DSO_free(md->dso);
+ OPENSSL_free(md->name);
+ OPENSSL_free(md);
+}
/* finish and free up all modules instances */
void CONF_modules_finish(void)
- {
- CONF_IMODULE *imod;
- while (sk_CONF_IMODULE_num(initialized_modules) > 0)
- {
- imod = sk_CONF_IMODULE_pop(initialized_modules);
- module_finish(imod);
- }
- sk_CONF_IMODULE_free(initialized_modules);
- initialized_modules = NULL;
- }
+{
+ CONF_IMODULE *imod;
+ while (sk_CONF_IMODULE_num(initialized_modules) > 0) {
+ imod = sk_CONF_IMODULE_pop(initialized_modules);
+ module_finish(imod);
+ }
+ sk_CONF_IMODULE_free(initialized_modules);
+ initialized_modules = NULL;
+}
/* finish a module instance */
static void module_finish(CONF_IMODULE *imod)
- {
- if (imod->pmod->finish)
- imod->pmod->finish(imod);
- imod->pmod->links--;
- OPENSSL_free(imod->name);
- OPENSSL_free(imod->value);
- OPENSSL_free(imod);
- }
+{
+ if (imod->pmod->finish)
+ imod->pmod->finish(imod);
+ imod->pmod->links--;
+ OPENSSL_free(imod->name);
+ OPENSSL_free(imod->value);
+ OPENSSL_free(imod);
+}
/* Add a static module to OpenSSL */
-int CONF_module_add(const char *name, conf_init_func *ifunc,
- conf_finish_func *ffunc)
- {
- if (module_add(NULL, name, ifunc, ffunc))
- return 1;
- else
- return 0;
- }
+int CONF_module_add(const char *name, conf_init_func *ifunc,
+ conf_finish_func *ffunc)
+{
+ if (module_add(NULL, name, ifunc, ffunc))
+ return 1;
+ else
+ return 0;
+}
void CONF_modules_free(void)
- {
- CONF_modules_finish();
- CONF_modules_unload(1);
- }
+{
+ CONF_modules_finish();
+ CONF_modules_unload(1);
+}
/* Utility functions */
const char *CONF_imodule_get_name(const CONF_IMODULE *md)
- {
- return md->name;
- }
+{
+ return md->name;
+}
const char *CONF_imodule_get_value(const CONF_IMODULE *md)
- {
- return md->value;
- }
+{
+ return md->value;
+}
void *CONF_imodule_get_usr_data(const CONF_IMODULE *md)
- {
- return md->usr_data;
- }
+{
+ return md->usr_data;
+}
void CONF_imodule_set_usr_data(CONF_IMODULE *md, void *usr_data)
- {
- md->usr_data = usr_data;
- }
+{
+ md->usr_data = usr_data;
+}
CONF_MODULE *CONF_imodule_get_module(const CONF_IMODULE *md)
- {
- return md->pmod;
- }
+{
+ return md->pmod;
+}
unsigned long CONF_imodule_get_flags(const CONF_IMODULE *md)
- {
- return md->flags;
- }
+{
+ return md->flags;
+}
void CONF_imodule_set_flags(CONF_IMODULE *md, unsigned long flags)
- {
- md->flags = flags;
- }
+{
+ md->flags = flags;
+}
void *CONF_module_get_usr_data(CONF_MODULE *pmod)
- {
- return pmod->usr_data;
- }
+{
+ return pmod->usr_data;
+}
void CONF_module_set_usr_data(CONF_MODULE *pmod, void *usr_data)
- {
- pmod->usr_data = usr_data;
- }
+{
+ pmod->usr_data = usr_data;
+}
/* Return default config file name */
char *CONF_get1_default_config_file(void)
- {
- char *file;
- int len;
+{
+ char *file;
+ int len;
- file = getenv("OPENSSL_CONF");
- if (file)
- return BUF_strdup(file);
+ file = getenv("OPENSSL_CONF");
+ if (file)
+ return BUF_strdup(file);
- len = strlen(X509_get_default_cert_area());
+ len = strlen(X509_get_default_cert_area());
#ifndef OPENSSL_SYS_VMS
- len++;
+ len++;
#endif
- len += strlen(OPENSSL_CONF);
+ len += strlen(OPENSSL_CONF);
- file = OPENSSL_malloc(len + 1);
+ file = OPENSSL_malloc(len + 1);
- if (!file)
- return NULL;
- BUF_strlcpy(file,X509_get_default_cert_area(),len + 1);
+ if (!file)
+ return NULL;
+ BUF_strlcpy(file, X509_get_default_cert_area(), len + 1);
#ifndef OPENSSL_SYS_VMS
- BUF_strlcat(file,"/",len + 1);
+ BUF_strlcat(file, "/", len + 1);
#endif
- BUF_strlcat(file,OPENSSL_CONF,len + 1);
+ BUF_strlcat(file, OPENSSL_CONF, len + 1);
- return file;
- }
+ return file;
+}
-/* This function takes a list separated by 'sep' and calls the
- * callback function giving the start and length of each member
- * optionally stripping leading and trailing whitespace. This can
- * be used to parse comma separated lists for example.
+/*
+ * This function takes a list separated by 'sep' and calls the callback
+ * function giving the start and length of each member optionally stripping
+ * leading and trailing whitespace. This can be used to parse comma separated
+ * lists for example.
*/
int CONF_parse_list(const char *list_, int sep, int nospc,
- int (*list_cb)(const char *elem, int len, void *usr), void *arg)
- {
- int ret;
- const char *lstart, *tmpend, *p;
-
- if(list_ == NULL)
- {
- CONFerr(CONF_F_CONF_PARSE_LIST, CONF_R_LIST_CANNOT_BE_NULL);
- return 0;
- }
-
- lstart = list_;
- for(;;)
- {
- if (nospc)
- {
- while(*lstart && isspace((unsigned char)*lstart))
- lstart++;
- }
- p = strchr(lstart, sep);
- if (p == lstart || !*lstart)
- ret = list_cb(NULL, 0, arg);
- else
- {
- if (p)
- tmpend = p - 1;
- else
- tmpend = lstart + strlen(lstart) - 1;
- if (nospc)
- {
- while(isspace((unsigned char)*tmpend))
- tmpend--;
- }
- ret = list_cb(lstart, tmpend - lstart + 1, arg);
- }
- if (ret <= 0)
- return ret;
- if (p == NULL)
- return 1;
- lstart = p + 1;
- }
- }
-
+ int (*list_cb) (const char *elem, int len, void *usr),
+ void *arg)
+{
+ int ret;
+ const char *lstart, *tmpend, *p;
+
+ if (list_ == NULL) {
+ CONFerr(CONF_F_CONF_PARSE_LIST, CONF_R_LIST_CANNOT_BE_NULL);
+ return 0;
+ }
+
+ lstart = list_;
+ for (;;) {
+ if (nospc) {
+ while (*lstart && isspace((unsigned char)*lstart))
+ lstart++;
+ }
+ p = strchr(lstart, sep);
+ if (p == lstart || !*lstart)
+ ret = list_cb(NULL, 0, arg);
+ else {
+ if (p)
+ tmpend = p - 1;
+ else
+ tmpend = lstart + strlen(lstart) - 1;
+ if (nospc) {
+ while (isspace((unsigned char)*tmpend))
+ tmpend--;
+ }
+ ret = list_cb(lstart, tmpend - lstart + 1, arg);
+ }
+ if (ret <= 0)
+ return ret;
+ if (p == NULL)
+ return 1;
+ lstart = p + 1;
+ }
+}