-/* $Id: yaz-proxy-config.cpp,v 1.11 2004-12-03 14:28:18 adam Exp $
- Copyright (c) 1998-2004, Index Data.
+/* $Id: yaz-proxy-config.cpp,v 1.19 2005-05-18 20:15:22 adam Exp $
+ Copyright (c) 1998-2005, Index Data.
This file is part of the yaz-proxy.
*/
#include <ctype.h>
-#include <yaz/ylog.h>
+
+#if HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <yaz/log.h>
#include "proxyp.h"
+
+class Yaz_ProxyModule {
+private:
+ void *m_dl_handle; /* dlopen/close handle */
+ Yaz_ProxyModule_entry *m_entry;
+ Yaz_ProxyModule *m_next;
+ void *m_user_handle; /* user handle */
+public:
+ Yaz_ProxyModule(void *dl_handle, Yaz_ProxyModule_entry *ent,
+ Yaz_ProxyModule *next);
+ ~Yaz_ProxyModule();
+
+ Yaz_ProxyModule *get_next() { return m_next; };
+ int is_module(const char *name);
+ int authenticate(const char *target_name, void *element_ptr,
+ const char *user, const char *group, const char *password);
+};
+
+int Yaz_ProxyModule::is_module(const char *type)
+{
+ if (!type || !strcmp(m_entry->module_name, type))
+ return 1;
+ return 0;
+}
+
+Yaz_ProxyModule::Yaz_ProxyModule(void *dl_handle, Yaz_ProxyModule_entry *ent,
+ Yaz_ProxyModule *next)
+{
+ m_dl_handle = dl_handle;
+ m_entry = ent;
+ m_next = next;
+ m_user_handle = 0;
+ if (m_entry->int_version == 0)
+ {
+ struct Yaz_ProxyModule_int0 *int0 =
+ reinterpret_cast<Yaz_ProxyModule_int0 *>(m_entry->fl);
+ if (int0->init)
+ m_user_handle = (*int0->init)();
+ }
+}
+
+Yaz_ProxyModule::~Yaz_ProxyModule()
+{
+ if (m_entry->int_version == 0)
+ {
+ struct Yaz_ProxyModule_int0 *int0 =
+ reinterpret_cast<Yaz_ProxyModule_int0 *>(m_entry->fl);
+ if (int0->destroy)
+ (*int0->destroy)(m_user_handle);
+ }
+#if HAVE_DLFCN_H
+ dlclose(m_dl_handle);
+#endif
+}
+
+int Yaz_ProxyModule::authenticate(const char *name,
+ void *element_ptr,
+ const char *user, const char *group,
+ const char *password)
+{
+ if (m_entry->int_version == 0)
+ {
+ struct Yaz_ProxyModule_int0 *int0 =
+ reinterpret_cast<Yaz_ProxyModule_int0 *>(m_entry->fl);
+
+ if (!int0->authenticate)
+ return YAZPROXY_RET_NOT_ME;
+ return (*int0->authenticate)(m_user_handle, name, element_ptr,
+ user, group, password);
+ }
+ return YAZPROXY_RET_NOT_ME;
+}
+
class Yaz_ProxyConfigP {
friend class Yaz_ProxyConfig;
- int m_copy;
+ Yaz_ProxyModule *m_modules;
int mycmp(const char *hay, const char *item, size_t len);
int match_list(int v, const char *m);
int atoi_l(const char **cp);
#if HAVE_XSLT
+ void load_modules(void);
+ void unload_modules(void);
int check_schema(xmlNodePtr ptr, Z_RecordComposition *comp,
const char *schema_identifier);
xmlDocPtr m_docPtr;
int *target_idletime, int *client_idletime,
int *keepalive_limit_bw, int *keepalive_limit_pdu,
int *pre_init, const char **cql2rpn,
- const char **authentication);
+ const char **negotiation_charset,
+ const char **negotiation_lang,
+ const char **target_charset);
void return_limit(xmlNodePtr ptr,
int *limit_bw, int *limit_pdu, int *limit_req);
int check_type_1(ODR odr, xmlNodePtr ptr, Z_RPNQuery *query,
int get_explain_ptr(const char *host, const char *db,
xmlNodePtr *ptr_target, xmlNodePtr *ptr_explain);
#endif
+ Yaz_ProxyConfigP();
+ ~Yaz_ProxyConfigP();
};
-Yaz_ProxyConfig::Yaz_ProxyConfig()
+Yaz_ProxyConfigP::Yaz_ProxyConfigP()
{
- m_cp = new Yaz_ProxyConfigP;
- m_cp->m_copy = 0;
#if HAVE_XSLT
- m_cp->m_docPtr = 0;
- m_cp->m_proxyPtr = 0;
+ m_docPtr = 0;
+ m_proxyPtr = 0;
#endif
+ m_modules = 0;
}
-Yaz_ProxyConfig::~Yaz_ProxyConfig()
+Yaz_ProxyConfigP::~Yaz_ProxyConfigP()
{
#if HAVE_XSLT
- if (!m_cp->m_copy && m_cp->m_docPtr)
- xmlFreeDoc(m_cp->m_docPtr);
+ if (m_docPtr)
+ xmlFreeDoc(m_docPtr);
#endif
+}
+
+Yaz_ProxyConfig::Yaz_ProxyConfig()
+{
+ m_cp = new Yaz_ProxyConfigP;
+}
+
+Yaz_ProxyConfig::~Yaz_ProxyConfig()
+{
delete m_cp;
}
+#if HAVE_XSLT
+void Yaz_ProxyConfigP::unload_modules()
+{
+ Yaz_ProxyModule *m = m_modules;
+ while (m)
+ {
+ Yaz_ProxyModule *m_next = m->get_next();
+ delete m;
+ m = m_next;
+ }
+ m_modules = 0;
+}
+#endif
+
+#if HAVE_XSLT
+void Yaz_ProxyConfigP::load_modules()
+{
+ if (!m_proxyPtr)
+ return;
+ xmlNodePtr ptr;
+ for (ptr = m_proxyPtr->children; ptr; ptr = ptr->next)
+ {
+ const char *fname;
+ if (ptr->type == XML_ELEMENT_NODE
+ && !strcmp((const char *) ptr->name, "module")
+ && (fname = get_text(ptr)))
+ {
+#if HAVE_DLFCN_H
+ void *dl_handle = dlopen(fname, RTLD_NOW|RTLD_GLOBAL);
+ if (dl_handle)
+ {
+ Yaz_ProxyModule_entry *fl_ptr = 0;
+ fl_ptr = reinterpret_cast<Yaz_ProxyModule_entry *>
+ (dlsym(dl_handle, "yazproxy_module"));
+ if (fl_ptr)
+ {
+ Yaz_ProxyModule *m = new Yaz_ProxyModule(dl_handle,
+ fl_ptr,
+ m_modules);
+ m_modules = m;
+ yaz_log(YLOG_LOG, "Loading %s OK", fname);
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "Loading %s FAIL: missing yazproxy_module symbol", fname);
+ dlclose(dl_handle);
+ }
+ }
+ else
+ yaz_log(YLOG_WARN, "Loading %s FAIL: dlopen failed", fname);
+#else
+ yaz_log(YLOG_WARN, "Loading &s FAIL: dl unsupported", fname);
+#endif
+ }
+ }
+}
+#endif
+
int Yaz_ProxyConfig::read_xml(const char *fname)
{
#if HAVE_XSLT
if (m_cp->m_docPtr)
xmlFreeDoc(m_cp->m_docPtr);
m_cp->m_docPtr = ndoc;
+
+ m_cp->unload_modules();
+ m_cp->load_modules();
return 0;
#else
return -2;
int *keepalive_limit_pdu,
int *pre_init,
const char **cql2rpn,
- const char **authentication)
+ const char **negotiation_charset,
+ const char **negotiation_lang,
+ const char **target_charset)
{
*pre_init = 0;
int no_url = 0;
*cql2rpn = t;
}
if (ptr->type == XML_ELEMENT_NODE
- && !strcmp((const char *) ptr->name, "authentication"))
+ && !strcmp((const char *) ptr->name, "target-charset"))
+ {
+ const char *t = get_text(ptr);
+ if (t && target_charset)
+ *target_charset = t;
+ }
+ if (ptr->type == XML_ELEMENT_NODE
+ && !strcmp((const char *) ptr->name, "negotiation-charset"))
{
const char *t = get_text(ptr);
if (t)
- *authentication = t;
+ *negotiation_charset = t;
+ }
+ if (ptr->type == XML_ELEMENT_NODE
+ && !strcmp((const char *) ptr->name, "negotiation-lang"))
+ {
+ const char *t = get_text(ptr);
+ if (t)
+ *negotiation_lang = t;
}
}
}
#if HAVE_XSLT
int Yaz_ProxyConfigP::check_type_1_structure(ODR odr, xmlNodePtr ptr,
- Z_RPNStructure *q,
- char **addinfo)
+ Z_RPNStructure *q,
+ char **addinfo)
{
if (q->which == Z_RPNStructure_complex)
{
}
#endif
+const char *Yaz_ProxyConfig::check_mime_type(const char *path)
+{
+ struct {
+ const char *mask;
+ const char *type;
+ } types[] = {
+ {".xml", "text/xml"},
+ {".xsl", "text/xml"},
+ {".tkl", "text/xml"},
+ {".xsd", "text/xml"},
+ {".html", "text/html"},
+ {".jpg", "image/jpeg"},
+ {".png", "image/png"},
+ {".gif", "image/gif"},
+ {0, "text/plain"},
+ {0, 0},
+ };
+ int i;
+ size_t plen = strlen (path);
+ for (i = 0; types[i].type; i++)
+ if (types[i].mask == 0)
+ return types[i].type;
+ else
+ {
+ size_t mlen = strlen(types[i].mask);
+ if (plen > mlen && !memcmp(path+plen-mlen, types[i].mask, mlen))
+ return types[i].type;
+ }
+ return "application/octet-stream";
+}
+
+
+void Yaz_ProxyConfig::target_authentication(const char *name,
+ ODR odr, Z_InitRequest *req)
+{
+#if HAVE_XSLT
+ xmlNodePtr ptr = m_cp->find_target_node(name, 0);
+ if (!ptr)
+ return ;
+
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ if (ptr->type == XML_ELEMENT_NODE &&
+ !strcmp((const char *) ptr->name, "target-authentication"))
+ {
+ struct _xmlAttr *attr;
+ const char *type = "open";
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "type") &&
+ attr->children && attr->children->type == XML_TEXT_NODE)
+ type = (const char *) attr->children->content;
+ }
+ const char *t = m_cp->get_text(ptr);
+ if (!t || !strcmp(type, "none"))
+ req->idAuthentication = 0;
+ else if (!strcmp(type, "anonymous"))
+ {
+ req->idAuthentication =
+ (Z_IdAuthentication *)
+ odr_malloc (odr, sizeof(*req->idAuthentication));
+ req->idAuthentication->which =
+ Z_IdAuthentication_anonymous;
+ req->idAuthentication->u.anonymous = odr_nullval();
+ }
+ else if (!strcmp(type, "open"))
+ {
+ req->idAuthentication =
+ (Z_IdAuthentication *)
+ odr_malloc (odr, sizeof(*req->idAuthentication));
+ req->idAuthentication->which =
+ Z_IdAuthentication_open;
+ req->idAuthentication->u.open = odr_strdup (odr, t);
+ }
+ else if (!strcmp(type, "idPass"))
+ {
+ char user[64], group[64], password[64];
+ *group = '\0';
+ *password = '\0';
+ *user = '\0';
+ sscanf(t, "%63[^:]:%63[^:]:%63s", user, group, password);
+
+ req->idAuthentication =
+ (Z_IdAuthentication *)
+ odr_malloc (odr, sizeof(*req->idAuthentication));
+ req->idAuthentication->which =
+ Z_IdAuthentication_idPass;
+ req->idAuthentication->u.idPass =
+ (Z_IdPass*) odr_malloc(odr, sizeof(Z_IdPass));
+ req->idAuthentication->u.idPass->userId =
+ *user ? odr_strdup(odr, user) : 0;
+ req->idAuthentication->u.idPass->groupId =
+ *group ? odr_strdup(odr, group) : 0;
+ req->idAuthentication->u.idPass->password =
+ *password ? odr_strdup(odr, password) : 0;
+ }
+ }
+#endif
+}
+
+int Yaz_ProxyConfig::client_authentication(const char *name,
+ const char *user,
+ const char *group,
+ const char *password)
+{
+ int ret = YAZPROXY_RET_NOT_ME;
+#if HAVE_XSLT
+ xmlNodePtr ptr;
+ ptr = m_cp->find_target_node(name, 0);
+ if (!ptr)
+ return 1;
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ if (ptr->type == XML_ELEMENT_NODE &&
+ !strcmp((const char *) ptr->name, "client-authentication"))
+ {
+ struct _xmlAttr *attr;
+ const char *module_name = 0;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "module") &&
+ attr->children && attr->children->type == XML_TEXT_NODE)
+ module_name = (const char *) attr->children->content;
+ }
+ Yaz_ProxyModule *m = m_cp->m_modules;
+ for (; m; m = m->get_next())
+ {
+ if (m->is_module(module_name))
+ {
+ ret = m->authenticate(name, ptr, user, group, password);
+ if (ret != YAZPROXY_RET_NOT_ME)
+ break;
+ }
+ }
+ }
+#endif
+ if (ret == YAZPROXY_RET_PERM)
+ return 0;
+ return 1;
+}
+
int Yaz_ProxyConfig::check_syntax(ODR odr, const char *name,
Odr_oid *syntax, Z_RecordComposition *comp,
char **addinfo,
int *keepalive_limit_pdu,
int *pre_init,
const char **cql2rpn,
- const char **authentication)
+ const char **authentication,
+ const char **negotiation_charset,
+ const char **negotiation_lang,
+ const char **target_charset)
{
#if HAVE_XSLT
xmlNodePtr ptr;
limit_bw, limit_pdu, limit_req,
target_idletime, client_idletime,
keepalive_limit_bw, keepalive_limit_pdu,
- pre_init, cql2rpn, authentication);
+ pre_init, cql2rpn,
+ negotiation_charset, negotiation_lang, target_charset);
return 1;
}
i++;
int *keepalive_limit_pdu,
int *pre_init,
const char **cql2rpn,
- const char **authentication)
+ const char **negotiation_charset,
+ const char **negotiation_lang,
+ const char **target_charset)
{
#if HAVE_XSLT
xmlNodePtr ptr;
m_cp->return_target_info(ptr, url, limit_bw, limit_pdu, limit_req,
target_idletime, client_idletime,
keepalive_limit_bw, keepalive_limit_pdu,
- pre_init, cql2rpn, authentication);
+ pre_init, cql2rpn,
+ negotiation_charset, negotiation_lang,
+ target_charset);
}
#else
*url = name;
projects / yazproxy-moved-to-github.git / blobdiff