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Diffstat (limited to 'backend/impress/iksemel.h')
| -rw-r--r-- | backend/impress/iksemel.h | 402 |
1 files changed, 402 insertions, 0 deletions
diff --git a/backend/impress/iksemel.h b/backend/impress/iksemel.h new file mode 100644 index 00000000..66c87d61 --- /dev/null +++ b/backend/impress/iksemel.h @@ -0,0 +1,402 @@ +/* iksemel (XML parser for Jabber) +** Copyright (C) 2000-2004 Gurer Ozen <[email protected]> +** This code is free software; you can redistribute it and/or +** modify it under the terms of GNU Lesser General Public License. +*/ + +#ifndef IKSEMEL_H +#define IKSEMEL_H 1 + +#ifdef __cplusplus +#include <cstddef> /* size_t for C++ */ +extern "C" { +#else +#include <stddef.h> /* size_t for C */ +#endif + +/***** object stack *****/ + +struct ikstack_struct; +typedef struct ikstack_struct ikstack; + +ikstack *iks_stack_new (size_t meta_chunk, size_t data_chunk); +void *iks_stack_alloc (ikstack *s, size_t size); +char *iks_stack_strdup (ikstack *s, const char *src, size_t len); +char *iks_stack_strcat (ikstack *s, char *old, size_t old_len, const char *src, size_t src_len); +void iks_stack_stat (ikstack *s, size_t *allocated, size_t *used); +void iks_stack_delete (ikstack *s); + +/***** utilities *****/ + +void *iks_malloc (size_t size); +void iks_free (void *ptr); +void iks_set_mem_funcs (void *(*malloc_func)(size_t size), void (*free_func)(void *ptr)); + +char *iks_strdup (const char *src); +char *iks_strcat (char *dest, const char *src); +int iks_strcmp (const char *a, const char *b); +int iks_strcasecmp (const char *a, const char *b); +int iks_strncmp (const char *a, const char *b, size_t n); +int iks_strncasecmp (const char *a, const char *b, size_t n); +size_t iks_strlen (const char *src); +char *iks_escape (ikstack *s, char *src, size_t len); +char *iks_unescape (ikstack *s, char *src, size_t len); + +/***** dom tree *****/ + +enum ikstype { + IKS_NONE = 0, + IKS_TAG, + IKS_ATTRIBUTE, + IKS_CDATA +}; + +struct iks_struct; +typedef struct iks_struct iks; + +iks *iks_new (const char *name); +iks *iks_new_within (const char *name, ikstack *s); +iks *iks_insert (iks *x, const char *name); +iks *iks_insert_cdata (iks *x, const char *data, size_t len); +iks *iks_insert_attrib (iks *x, const char *name, const char *value); +iks *iks_insert_node (iks *x, iks *y); +void iks_hide (iks *x); +void iks_delete (iks *x); +iks *iks_next (iks *x); +iks *iks_next_tag (iks *x); +iks *iks_prev (iks *x); +iks *iks_prev_tag (iks *x); +iks *iks_parent (iks *x); +iks *iks_root (iks *x); +iks *iks_child (iks *x); +iks *iks_first_tag (iks *x); +iks *iks_attrib (iks *x); +iks *iks_find (iks *x, const char *name); +char *iks_find_cdata (iks *x, const char *name); +char *iks_find_attrib (iks *x, const char *name); +iks *iks_find_with_attrib (iks *x, const char *tagname, const char *attrname, const char *value); +ikstack *iks_stack (iks *x); +enum ikstype iks_type (iks *x); +char *iks_name (iks *x); +char *iks_cdata (iks *x); +size_t iks_cdata_size (iks *x); +int iks_has_children (iks *x); +int iks_has_attribs (iks *x); +char *iks_string (ikstack *s, iks *x); +iks *iks_copy (iks *x); +iks *iks_copy_within (iks *x, ikstack *s); + +/***** sax parser *****/ + +enum ikserror { + IKS_OK = 0, + IKS_NOMEM, + IKS_BADXML, + IKS_HOOK +}; + +enum ikstagtype { + IKS_OPEN, + IKS_CLOSE, + IKS_SINGLE +}; + +typedef int (iksTagHook)(void *user_data, char *name, char **atts, int type); +typedef int (iksCDataHook)(void *user_data, char *data, size_t len); +typedef void (iksDeleteHook)(void *user_data); + +struct iksparser_struct; +typedef struct iksparser_struct iksparser; + +iksparser *iks_sax_new (void *user_data, iksTagHook *tagHook, iksCDataHook *cdataHook); +iksparser *iks_sax_extend (ikstack *s, void *user_data, iksTagHook *tagHook, iksCDataHook *cdataHook, iksDeleteHook *deleteHook); +ikstack *iks_parser_stack (iksparser *prs); +void *iks_user_data (iksparser *prs); +unsigned long iks_nr_bytes (iksparser *prs); +unsigned long iks_nr_lines (iksparser *prs); +int iks_parse (iksparser *prs, const char *data, size_t len, int finish); +void iks_parser_reset (iksparser *prs); +void iks_parser_delete (iksparser *prs); + +/***** dom parser *****/ + +enum iksfileerror { + IKS_FILE_NOFILE = 4, + IKS_FILE_NOACCESS, + IKS_FILE_RWERR +}; + +iksparser *iks_dom_new (iks **iksptr); +void iks_set_size_hint (iksparser *prs, size_t approx_size); +iks *iks_tree (const char *xml_str, size_t len, int *err); +int iks_load (const char *fname, iks **xptr); +int iks_save (const char *fname, iks *x); + +/***** transport layer *****/ + +typedef void (iksTClose)(void *socket); +typedef int (iksTConnect)(iksparser *prs, void **socketptr, const char *server, int port); +typedef int (iksTSend)(void *socket, const char *data, size_t len); +typedef int (iksTRecv)(void *socket, char *buffer, size_t buf_len, int timeout); +typedef int (iksTConnectFD)(iksparser *prs, void **socketptr, void *fd); +typedef void *(iksTGetFD)(void *socket); + +enum iksasyncevents { + IKS_ASYNC_RESOLVED, + IKS_ASYNC_CONNECTED, + IKS_ASYNC_WRITE, + IKS_ASYNC_WRITTEN, + IKS_ASYNC_READ, + IKS_ASYNC_CLOSED, + IKS_ASYNC_ERROR +}; + +typedef int (iksAsyncNotify)(void *user_data, int event, void *event_data); +typedef int (iksTConnectAsync)(iksparser *prs, void **socketptr, const char *server, int port, void *notify_data, iksAsyncNotify *notify_func); + +typedef struct ikstransport_struct { + /* basic api, connect can be NULL if one of the other connect funcs are used */ + iksTConnect *connect; + iksTSend *send; + iksTRecv *recv; + iksTClose *close; + /* optional fd api */ + iksTConnectFD *connect_fd; + iksTGetFD *get_fd; + /* optional async api */ + iksTConnectAsync *connect_async; +} ikstransport; + +extern ikstransport iks_default_transport; + +/***** stream parser *****/ + +enum iksneterror { + IKS_NET_NODNS = 4, + IKS_NET_NOSOCK, + IKS_NET_NOCONN, + IKS_NET_RWERR, + IKS_NET_NOTSUPP, + IKS_NET_TLSFAIL +}; + +enum iksnodetype { + IKS_NODE_START, + IKS_NODE_NORMAL, + IKS_NODE_ERROR, + IKS_NODE_STOP +}; + +enum ikssasltype { + IKS_SASL_PLAIN, + IKS_SASL_DIGEST_MD5 +}; + +#define IKS_JABBER_PORT 5222 + +typedef int (iksStreamHook)(void *user_data, int type, iks *node); +typedef void (iksLogHook)(void *user_data, const char *data, size_t size, int is_incoming); + +iksparser *iks_stream_new (char *name_space, void *user_data, iksStreamHook *streamHook); +void *iks_stream_user_data (iksparser *prs); +void iks_set_log_hook (iksparser *prs, iksLogHook *logHook); +int iks_connect_tcp (iksparser *prs, const char *server, int port); +int iks_connect_fd (iksparser *prs, int fd); +int iks_connect_via (iksparser *prs, const char *server, int port, const char *server_name); +int iks_connect_with (iksparser *prs, const char *server, int port, const char *server_name, ikstransport *trans); +int iks_connect_async (iksparser *prs, const char *server, int port, void *notify_data, iksAsyncNotify *notify_func); +int iks_connect_async_with (iksparser *prs, const char *server, int port, const char *server_name, ikstransport *trans, void *notify_data, iksAsyncNotify *notify_func); +int iks_fd (iksparser *prs); +int iks_recv (iksparser *prs, int timeout); +int iks_send_header (iksparser *prs, const char *to); +int iks_send (iksparser *prs, iks *x); +int iks_send_raw (iksparser *prs, const char *xmlstr); +void iks_disconnect (iksparser *prs); +int iks_has_tls (void); +int iks_is_secure (iksparser *prs); +int iks_start_tls (iksparser *prs); +int iks_start_sasl (iksparser *prs, enum ikssasltype type, char *username, char *pass); + +/***** jabber *****/ + +#define IKS_NS_CLIENT "jabber:client" +#define IKS_NS_SERVER "jabber:server" +#define IKS_NS_AUTH "jabber:iq:auth" +#define IKS_NS_AUTH_0K "jabber:iq:auth:0k" +#define IKS_NS_REGISTER "jabber:iq:register" +#define IKS_NS_ROSTER "jabber:iq:roster" +#define IKS_NS_XROSTER "jabber:x:roster" +#define IKS_NS_OFFLINE "jabber:x:offline" +#define IKS_NS_AGENT "jabber:iq:agent" +#define IKS_NS_AGENTS "jabber:iq:agents" +#define IKS_NS_BROWSE "jabber:iq:browse" +#define IKS_NS_CONFERENCE "jabber:iq:conference" +#define IKS_NS_DELAY "jabber:x:delay" +#define IKS_NS_VERSION "jabber:iq:version" +#define IKS_NS_TIME "jabber:iq:time" +#define IKS_NS_VCARD "vcard-temp" +#define IKS_NS_PRIVATE "jabber:iq:private" +#define IKS_NS_SEARCH "jabber:iq:search" +#define IKS_NS_OOB "jabber:iq:oob" +#define IKS_NS_XOOB "jabber:x:oob" +#define IKS_NS_ADMIN "jabber:iq:admin" +#define IKS_NS_FILTER "jabber:iq:filter" +#define IKS_NS_GATEWAY "jabber:iq:gateway" +#define IKS_NS_LAST "jabber:iq:last" +#define IKS_NS_SIGNED "jabber:x:signed" +#define IKS_NS_ENCRYPTED "jabber:x:encrypted" +#define IKS_NS_ENVELOPE "jabber:x:envelope" +#define IKS_NS_EVENT "jabber:x:event" +#define IKS_NS_EXPIRE "jabber:x:expire" +#define IKS_NS_XHTML "http://www.w3.org/1999/xhtml" +#define IKS_NS_XMPP_SASL "urn:ietf:params:xml:ns:xmpp-sasl" +#define IKS_NS_XMPP_BIND "urn:ietf:params:xml:ns:xmpp-bind" +#define IKS_NS_XMPP_SESSION "urn:ietf:params:xml:ns:xmpp-session" + +#define IKS_ID_USER 1 +#define IKS_ID_SERVER 2 +#define IKS_ID_RESOURCE 4 +#define IKS_ID_PARTIAL IKS_ID_USER | IKS_ID_SERVER +#define IKS_ID_FULL IKS_ID_USER | IKS_ID_SERVER | IKS_ID_RESOURCE + +#define IKS_STREAM_STARTTLS 1 +#define IKS_STREAM_SESSION 2 +#define IKS_STREAM_BIND 4 +#define IKS_STREAM_SASL_PLAIN 8 +#define IKS_STREAM_SASL_MD5 16 + +typedef struct iksid_struct { + char *user; + char *server; + char *resource; + char *partial; + char *full; +} iksid; + +iksid *iks_id_new (ikstack *s, const char *jid); +int iks_id_cmp (iksid *a, iksid *b, int parts); + +enum ikspaktype { + IKS_PAK_NONE = 0, + IKS_PAK_MESSAGE, + IKS_PAK_PRESENCE, + IKS_PAK_IQ, + IKS_PAK_S10N +}; + +enum iksubtype { + IKS_TYPE_NONE = 0, + IKS_TYPE_ERROR, + + IKS_TYPE_CHAT, + IKS_TYPE_GROUPCHAT, + IKS_TYPE_HEADLINE, + + IKS_TYPE_GET, + IKS_TYPE_SET, + IKS_TYPE_RESULT, + + IKS_TYPE_SUBSCRIBE, + IKS_TYPE_SUBSCRIBED, + IKS_TYPE_UNSUBSCRIBE, + IKS_TYPE_UNSUBSCRIBED, + IKS_TYPE_PROBE, + IKS_TYPE_AVAILABLE, + IKS_TYPE_UNAVAILABLE +}; + +enum ikshowtype { + IKS_SHOW_UNAVAILABLE = 0, + IKS_SHOW_AVAILABLE, + IKS_SHOW_CHAT, + IKS_SHOW_AWAY, + IKS_SHOW_XA, + IKS_SHOW_DND +}; + +typedef struct ikspak_struct { + iks *x; + iksid *from; + iks *query; + char *ns; + char *id; + enum ikspaktype type; + enum iksubtype subtype; + enum ikshowtype show; +} ikspak; + +ikspak *iks_packet (iks *x); + +iks *iks_make_auth (iksid *id, const char *pass, const char *sid); +iks *iks_make_msg (enum iksubtype type, const char *to, const char *body); +iks *iks_make_s10n (enum iksubtype type, const char *to, const char *msg); +iks *iks_make_pres (enum ikshowtype show, const char *status); +iks *iks_make_iq (enum iksubtype type, const char *xmlns); +iks *iks_make_resource_bind(iksid *id); +iks *iks_make_session(void); +int iks_stream_features(iks *x); + +/***** jabber packet filter *****/ + +#define IKS_RULE_DONE 0 +#define IKS_RULE_ID 1 +#define IKS_RULE_TYPE 2 +#define IKS_RULE_SUBTYPE 4 +#define IKS_RULE_FROM 8 +#define IKS_RULE_FROM_PARTIAL 16 +#define IKS_RULE_NS 32 + +enum iksfilterret { + IKS_FILTER_PASS, + IKS_FILTER_EAT +}; + +typedef int (iksFilterHook)(void *user_data, ikspak *pak); + +struct iksfilter_struct; +typedef struct iksfilter_struct iksfilter; +struct iksrule_struct; +typedef struct iksrule_struct iksrule; + +iksfilter *iks_filter_new (void); +iksrule *iks_filter_add_rule (iksfilter *f, iksFilterHook *filterHook, void *user_data, ...); +void iks_filter_remove_rule (iksfilter *f, iksrule *rule); +void iks_filter_remove_hook (iksfilter *f, iksFilterHook *filterHook); +void iks_filter_packet (iksfilter *f, ikspak *pak); +void iks_filter_delete (iksfilter *f); + +/***** sha1 *****/ + +struct iksha_struct; +typedef struct iksha_struct iksha; + +iksha *iks_sha_new (void); +void iks_sha_reset (iksha *sha); +void iks_sha_hash (iksha *sha, const unsigned char *data, size_t len, int finish); +void iks_sha_print (iksha *sha, char *hash); +void iks_sha_delete (iksha *sha); +void iks_sha (const char *data, char *hash); + +/***** md5 *****/ + +struct ikmd5_struct; +typedef struct iksmd5_struct iksmd5; + +iksmd5 *iks_md5_new(void); +void iks_md5_reset(iksmd5 *md5); +void iks_md5_hash(iksmd5 *md5, const unsigned char *data, size_t slen, int finish); +void iks_md5_delete(iksmd5 *md5); +void iks_md5_print(iksmd5 *md5, char *buf); +void iks_md5_digest(iksmd5 *md5, unsigned char *digest); +void iks_md5(const char *data, char *buf); + +/***** base64 *****/ + +char *iks_base64_decode(const char *buf); +char *iks_base64_encode(const char *buf, int len); + +#ifdef __cplusplus +} +#endif + +#endif /* IKSEMEL_H */ |