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#include "myproxy_common.h"
static STACK_OF(X509_EXTENSION) *extensions = NULL;
int
myproxy_set_extensions_from_file(const char filename[])
{
CONF *extconf = NULL;
long errorline = -1;
myproxy_free_extensions();
extensions = sk_X509_EXTENSION_new_null();
extconf = NCONF_new(NULL);
if (NCONF_load(extconf, filename, &errorline) <= 0) {
if (errorline <= 0) {
verror_put_string("OpenSSL error loading the proxy_extfile '%s'",
filename);
} else {
verror_put_string("OpenSSL error on line %ld of proxy_extfile '%s'\n", errorline, filename);
}
return -1;
}
myproxy_debug("Successfully loaded extensions file %s.", filename);
if (X509V3_EXT_add_nconf_sk(extconf, NULL, "default", &extensions) != 1) {
verror_put_string("X509V3_EXT_add_nconf_sk() failed");
return -1;
}
myproxy_debug("Successfully set extensions.");
return 0;
}
int
myproxy_set_extensions_from_callout(const char path[],
const char username[],
const char location[])
{
pid_t childpid;
int fds[3];
int exit_status;
CONF *extconf = NULL;
long errorline = -1;
FILE *nconf_stream = NULL;
myproxy_debug("calling %s", path);
childpid = myproxy_popen(fds, path, username, location, NULL);
if (childpid < 0) {
return -1; /* myproxy_popen will set verror */
}
close(fds[0]);
if (waitpid(childpid, &exit_status, 0) == -1) {
verror_put_string("wait() failed for proxy_extapp child");
verror_put_errno(errno);
return -1;
}
if (exit_status != 0) {
FILE *fp = NULL;
char buf[100];
verror_put_string("proxy_extapp call-out returned non-zero.");
fp = fdopen(fds[1], "r");
if (fp) {
while (fgets(buf, 100, fp) != NULL) {
verror_put_string("%s", buf);
}
fclose(fp);
}
fp = fdopen(fds[2], "r");
if (fp) {
while (fgets(buf, 100, fp) != NULL) {
verror_put_string("%s", buf);
}
fclose(fp);
}
return -1;
}
close(fds[2]);
myproxy_free_extensions();
extensions = sk_X509_EXTENSION_new_null();
extconf = NCONF_new(NULL);
nconf_stream = fdopen(fds[1], "r");
if (NCONF_load_fp(extconf, nconf_stream, &errorline) <= 0) {
if (errorline <= 0) {
verror_put_string("OpenSSL error parsing output of proxy_extapp call-out.");
} else {
verror_put_string("OpenSSL error parsing line %ld of of proxy_extapp call-out output.", errorline);
}
fclose(nconf_stream);
return -1;
}
fclose(nconf_stream);
myproxy_debug("Successfully loaded extensions.");
if (X509V3_EXT_add_nconf_sk(extconf, NULL, "default", &extensions) != 1) {
verror_put_string("X509V3_EXT_add_nconf_sk() failed");
return -1;
}
myproxy_debug("Successfully set extensions.");
return 0;
}
int
myproxy_get_extensions(STACK_OF(X509_EXTENSION) **e)
{
if (extensions) {
*e = sk_X509_EXTENSION_dup(extensions);
}
return 0;
}
int myproxy_free_extensions()
{
if (extensions) {
sk_X509_EXTENSION_free(extensions);
extensions = NULL;
}
return 0;
}
int
myproxy_add_extension(X509_EXTENSION *extension)
{
if (extension == NULL) {
verror_put_string("NULL extension is passed");
return -1;
}
if (X509v3_add_ext(&extensions, extension, -1) == NULL) {
verror_put_string("Couldn't add extension.");
return -1;
}
return 0;
}
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