+++ /dev/null
-/*
-
- silcvcard.c
-
- Author: Pekka Riikonen <priikone@silcnet.org>
-
- Copyright (C) 2002 - 2005 Pekka Riikonen
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
-*/
-/* $Id$ */
-/* Implementation of the VCard (RFC 2426) */
-
-#include "silc.h"
-
-#define VCARD_HEADER "BEGIN:VCARD\n"
-#define VCARD_VERSION "VERSION:3.0\n"
-#define VCARD_FOOTER "END:VCARD\n"
-
-/* Encode VCard */
-
-unsigned char *silc_vcard_encode(SilcVCard vcard, SilcUInt32 *vcard_len)
-{
- SilcBufferStruct buffer;
- int i;
-
- if (!vcard->full_name || !vcard->family_name || !vcard->first_name)
- return NULL;
-
- memset(&buffer, 0, sizeof(buffer));
- silc_buffer_strformat(
- &buffer,
- VCARD_HEADER,
- VCARD_VERSION,
- "FN:", vcard->full_name, "\n",
- "N:", vcard->family_name, ";", vcard->first_name, ";",
- vcard->middle_names, ";", vcard->prefix, ";", vcard->suffix, "\n",
- SILC_STRFMT_END);
-
- if (vcard->nickname)
- silc_buffer_strformat(&buffer,
- "NICKNAME:", vcard->nickname, "\n",
- SILC_STRFMT_END);
- if (vcard->bday)
- silc_buffer_strformat(&buffer,
- "BDAY:", vcard->bday, "\n",
- SILC_STRFMT_END);
- if (vcard->title)
- silc_buffer_strformat(&buffer,
- "TITLE:", vcard->title, "\n",
- SILC_STRFMT_END);
- if (vcard->role)
- silc_buffer_strformat(&buffer,
- "ROLE:", vcard->role, "\n",
- SILC_STRFMT_END);
- if (vcard->org_name)
- silc_buffer_strformat(&buffer,
- "ORG:", vcard->org_name, ";", vcard->org_unit, "\n",
- SILC_STRFMT_END);
- if (vcard->categories)
- silc_buffer_strformat(&buffer,
- "CATEGORIES:", vcard->categories, "\n",
- SILC_STRFMT_END);
- if (vcard->catclass)
- silc_buffer_strformat(&buffer,
- "CLASS:", vcard->catclass, "\n",
- SILC_STRFMT_END);
- if (vcard->url)
- silc_buffer_strformat(&buffer,
- "URL:", vcard->url, "\n",
- SILC_STRFMT_END);
- if (vcard->label)
- silc_buffer_strformat(&buffer,
- "LABEL;", vcard->url, "\n",
- SILC_STRFMT_END);
- for (i = 0; i < vcard->num_addrs; i++) {
- silc_buffer_strformat(&buffer,
- "ADR;TYPE=",
- vcard->addrs[i].type, ":",
- vcard->addrs[i].pbox, ";",
- vcard->addrs[i].ext_addr, ";",
- vcard->addrs[i].street_addr, ";",
- vcard->addrs[i].city, ";",
- vcard->addrs[i].state, ";",
- vcard->addrs[i].code, ";",
- vcard->addrs[i].country, "\n",
- SILC_STRFMT_END);
- }
- for (i = 0; i < vcard->num_tels; i++) {
- silc_buffer_strformat(&buffer,
- "TEL;TYPE=",
- vcard->tels[i].type, ":",
- vcard->tels[i].telnum, "\n",
- SILC_STRFMT_END);
- }
- for (i = 0; i < vcard->num_emails; i++) {
- silc_buffer_strformat(&buffer,
- "EMAIL;TYPE=",
- vcard->emails[i].type, ":",
- vcard->emails[i].address, "\n",
- SILC_STRFMT_END);
- }
- if (vcard->note)
- silc_buffer_strformat(&buffer,
- "NOTE:", vcard->note, "\n",
- SILC_STRFMT_END);
- if (vcard->rev)
- silc_buffer_strformat(&buffer,
- "REV:", vcard->rev, "\n",
- SILC_STRFMT_END);
-
- silc_buffer_strformat(&buffer, VCARD_FOOTER, SILC_STRFMT_END);
-
- if (vcard_len)
- *vcard_len = silc_buffer_truelen(&buffer);
-
- return buffer.head;
-}
-
-/* Take one token */
-#define VCARD_TOKEN(x) \
- if (!(x)) { \
- (x) = silc_memdup(val + off, i - off); \
- off = i + 1; \
- continue; \
- }
-
-/* Take on TYPE= token and prepare for next token, accept the
- type also without TYPE= as it is possible */
-#define VCARD_TYPETOKEN(x) \
- if (!(x)) { \
- int tmpi = 0; \
- if (!strncasecmp(val + off, "TYPE=", 5)) \
- tmpi = 5; \
- (x) = silc_memdup(val + off + tmpi, i - off - tmpi - 1); \
- tmpi = off + tmpi + strlen((x)) + 1; \
- off = i; \
- i = tmpi; \
- }
-
-/* Take last token */
-#define VCARD_LASTTOKEN(x) \
- if (!(x)) { \
- if (off < len) \
- (x) = silc_memdup(val + off, len - off); \
- } \
-
-/* Get one (single) field */
-#define VCARD_FIELD(val, c, x) \
-do { \
- if (!strncasecmp(val, (c), strlen((c)))) { \
- int tmpl = strlen((c)); \
- if ((x)) \
- break; \
- if (len - tmpl > 0) \
- (x) = silc_memdup(val + tmpl, len - tmpl); \
- goto next; \
- } \
-} while(0)
-
-/* Decode VCard */
-
-SilcBool silc_vcard_decode(const unsigned char *data, SilcUInt32 data_len,
- SilcVCard vcard)
-{
- unsigned char *val;
- SilcBool has_begin = FALSE, has_end = FALSE;
- int len, i, off = 0;
-
- val = (unsigned char *)data;
- while (val) {
- len = 0;
- for (i = (val - data); i < data_len; i++) {
- if (data[i] == '\0' || data[i] == '\n') {
- len = i - (val - data);
- break;
- }
- }
- if (!len || len > data_len - (val - data))
- break;
-
- /* Check for mandatory header and footer */
- if (!strncasecmp(val, VCARD_HEADER, strlen(VCARD_HEADER))) {
- has_begin = TRUE;
- goto next;
- }
- if (!strncasecmp(val, VCARD_FOOTER, strlen(VCARD_FOOTER))) {
- has_end = TRUE;
- goto next;
- }
-
- /* Get single fields */
- VCARD_FIELD(val, "FN:", vcard->full_name);
- VCARD_FIELD(val, "NICKNAME:", vcard->nickname);
- VCARD_FIELD(val, "BDAY:", vcard->bday);
- VCARD_FIELD(val, "TITLE:", vcard->title);
- VCARD_FIELD(val, "ROLE:", vcard->role);
- VCARD_FIELD(val, "CATEGORIES:", vcard->categories);
- VCARD_FIELD(val, "CLASS:", vcard->catclass);
- VCARD_FIELD(val, "URL:", vcard->url);
- VCARD_FIELD(val, "LABEL;", vcard->label);
- VCARD_FIELD(val, "NOTE:", vcard->note);
- VCARD_FIELD(val, "REV:", vcard->rev);
-
- /* Get multi-column fields */
-
- if (!strncasecmp(val, "N:", 2)) {
- if (vcard->family_name)
- break;
- if (len - 2) {
- off = 2;
- for (i = off; i < len; i++)
- if (val[i] == ';') {
- VCARD_TOKEN(vcard->family_name);
- VCARD_TOKEN(vcard->first_name);
- VCARD_TOKEN(vcard->middle_names);
- VCARD_TOKEN(vcard->prefix);
- }
- if (!vcard->family_name && !vcard->first_name) {
- VCARD_LASTTOKEN(vcard->family_name);
- off += (len - off);
- }
- if (!vcard->first_name) {
- VCARD_LASTTOKEN(vcard->first_name);
- } else {
- VCARD_LASTTOKEN(vcard->suffix);
- }
- }
- goto next;
- }
-
- if (!strncasecmp(val, "ORG:", 4)) {
- if (vcard->org_name)
- continue;
- if (len - 4) {
- off = 4;
- for (i = off; i < len; i++) {
- if (val[i] == ';') {
- VCARD_TOKEN(vcard->org_name);
- break;
- }
- }
- /* It's possible to have ORG without last ';', so check for it */
- if (!vcard->org_name) {
- VCARD_LASTTOKEN(vcard->org_name);
- } else {
- VCARD_LASTTOKEN(vcard->org_unit);
- }
- }
- goto next;
- }
-
- if (!strncasecmp(val, "ADR;", 4)) {
- vcard->addrs = silc_realloc(vcard->addrs, sizeof(*vcard->addrs) *
- (vcard->num_addrs + 1));
- memset(&vcard->addrs[vcard->num_addrs], 0, sizeof(*vcard->addrs));
- if (len - 4) {
- off = 4;
- for (i = off; i < len; i++)
- if (val[i] == ';') {
- VCARD_TYPETOKEN(vcard->addrs[vcard->num_addrs].type);
- VCARD_TOKEN(vcard->addrs[vcard->num_addrs].pbox);
- VCARD_TOKEN(vcard->addrs[vcard->num_addrs].ext_addr);
- VCARD_TOKEN(vcard->addrs[vcard->num_addrs].street_addr);
- VCARD_TOKEN(vcard->addrs[vcard->num_addrs].city);
- VCARD_TOKEN(vcard->addrs[vcard->num_addrs].state);
- VCARD_TOKEN(vcard->addrs[vcard->num_addrs].code);
- }
- VCARD_LASTTOKEN(vcard->addrs[vcard->num_addrs].country);
- }
- vcard->num_addrs++;
- goto next;
- }
-
- if (!strncasecmp(val, "TEL;", 4)) {
- vcard->tels = silc_realloc(vcard->tels, sizeof(*vcard->tels) *
- (vcard->num_tels + 1));
- memset(&vcard->tels[vcard->num_tels], 0, sizeof(*vcard->tels));
- if (len - 4) {
- off = 4;
- for (i = off; i < len; i++)
- if (val[i] == ':') {
- i++;
- VCARD_TYPETOKEN(vcard->tels[vcard->num_tels].type);
- break;
- }
- VCARD_LASTTOKEN(vcard->tels[vcard->num_tels].telnum);
- }
- vcard->num_tels++;
- goto next;
- }
-
- if (!strncasecmp(val, "EMAIL;", 6)) {
- vcard->emails = silc_realloc(vcard->emails, sizeof(*vcard->emails) *
- (vcard->num_emails + 1));
- memset(&vcard->emails[vcard->num_emails], 0, sizeof(*vcard->emails));
- if (len - 6) {
- off = 6;
- for (i = off; i < len; i++)
- if (val[i] == ':') {
- i++;
- VCARD_TYPETOKEN(vcard->emails[vcard->num_emails].type);
- break;
- }
- VCARD_LASTTOKEN(vcard->emails[vcard->num_emails].address);
- }
- vcard->num_emails++;
- goto next;
- }
-
- next:
- val = strchr(val, '\n');
- if (!val)
- break;
- val++;
- if (!val || !(*val))
- break;
- }
-
- if (!has_begin || !has_end || !vcard->full_name) {
- silc_vcard_free(vcard);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/* Allocate vcard context */
-
-SilcVCard silc_vcard_alloc(void)
-{
- SilcVCard vcard = silc_calloc(1, sizeof(*vcard));
- if (!vcard)
- return NULL;
- vcard->dynamic = TRUE;
- return vcard;
-}
-
-/* Free the vcard structure */
-
-void silc_vcard_free(SilcVCard vcard)
-{
- int i;
-
- silc_free(vcard->full_name);
- silc_free(vcard->family_name);
- silc_free(vcard->first_name);
- silc_free(vcard->middle_names);
- silc_free(vcard->prefix);
- silc_free(vcard->suffix);
- silc_free(vcard->nickname);
- silc_free(vcard->bday);
- silc_free(vcard->title);
- silc_free(vcard->role);
- silc_free(vcard->org_name);
- silc_free(vcard->org_unit);
- silc_free(vcard->categories);
- silc_free(vcard->catclass);
- silc_free(vcard->url);
- silc_free(vcard->label);
- for (i = 0; i < vcard->num_addrs; i++) {
- silc_free(vcard->addrs[i].type);
- silc_free(vcard->addrs[i].pbox);
- silc_free(vcard->addrs[i].ext_addr);
- silc_free(vcard->addrs[i].street_addr);
- silc_free(vcard->addrs[i].city);
- silc_free(vcard->addrs[i].state);
- silc_free(vcard->addrs[i].code);
- silc_free(vcard->addrs[i].country);
- }
- silc_free(vcard->addrs);
- for (i = 0; i < vcard->num_tels; i++) {
- silc_free(vcard->tels[i].type);
- silc_free(vcard->tels[i].telnum);
- }
- silc_free(vcard->tels);
- for (i = 0; i < vcard->num_emails; i++) {
- silc_free(vcard->emails[i].type);
- silc_free(vcard->emails[i].address);
- }
- silc_free(vcard->emails);
- silc_free(vcard->note);
- silc_free(vcard->rev);
- if (!vcard->dynamic)
- memset(vcard, 0, sizeof(*vcard));
-
- if (vcard->dynamic) {
- memset(vcard, 0, sizeof(*vcard));
- silc_free(vcard);
- }
-}
-
-/* Print card to file stream */
-
-void silc_vcard_fprintf(SilcVCard vcard, FILE *stream)
-{
- int i;
- fprintf(stream, "%s", VCARD_HEADER);
- fprintf(stream, "%s", VCARD_VERSION);
- if (vcard->full_name)
- fprintf(stream, "FN:%s\n", vcard->full_name);
- if (vcard->family_name)
- fprintf(stream, "N:%s;%s;%s;%s;%s\n",
- vcard->family_name,
- vcard->first_name ? vcard->first_name : "",
- vcard->middle_names ? vcard->middle_names : "",
- vcard->prefix ? vcard->prefix : "",
- vcard->suffix ? vcard->suffix : "");
- if (vcard->nickname)
- fprintf(stream, "NICKNAME:%s\n", vcard->nickname);
- if (vcard->bday)
- fprintf(stream, "BDAY:%s\n", vcard->bday);
- if (vcard->title)
- fprintf(stream, "TITLE:%s\n", vcard->title);
- if (vcard->role)
- fprintf(stream, "ROLE:%s\n", vcard->role);
- if (vcard->org_name)
- fprintf(stream, "ORG:%s;%s\n", vcard->org_name,
- vcard->org_unit ? vcard->org_unit : "");
- if (vcard->categories)
- fprintf(stream, "CATEGORIES:%s\n", vcard->categories);
- if (vcard->catclass)
- fprintf(stream, "CLASS:%s\n", vcard->catclass);
- if (vcard->url)
- fprintf(stream, "URL:%s\n", vcard->url);
- if (vcard->label)
- fprintf(stream, "LABEL;%s\n", vcard->label);
- for (i = 0; i < vcard->num_addrs; i++) {
- fprintf(stream, "ADR;TYPE=%s:%s;%s;%s;%s;%s;%s;%s\n",
- vcard->addrs[i].type,
- vcard->addrs[i].pbox ? vcard->addrs[i].pbox : "",
- vcard->addrs[i].ext_addr ? vcard->addrs[i].ext_addr : "",
- vcard->addrs[i].street_addr ? vcard->addrs[i].street_addr : "",
- vcard->addrs[i].city ? vcard->addrs[i].city : "",
- vcard->addrs[i].state ? vcard->addrs[i].state : "",
- vcard->addrs[i].code ? vcard->addrs[i].code : "",
- vcard->addrs[i].country ? vcard->addrs[i].country : "");
- }
- for (i = 0; i < vcard->num_tels; i++) {
- fprintf(stream, "TEL;TYPE=%s:%s\n",
- vcard->tels[i].type,
- vcard->tels[i].telnum ? vcard->tels[i].telnum : "");
- }
- for (i = 0; i < vcard->num_emails; i++) {
- fprintf(stream, "EMAIL;TYPE=%s:%s\n",
- vcard->emails[i].type,
- vcard->emails[i].address ? vcard->emails[i].address : "");
- }
- if (vcard->note)
- fprintf(stream, "NOTE:%s\n", vcard->note);
- if (vcard->rev)
- fprintf(stream, "REV:%s\n", vcard->rev);
- fprintf(stream, "%s", VCARD_FOOTER);
- fflush(stream);
-}
+++ /dev/null
-/*
-
- silcvcard.h
-
- Author: Pekka Riikonen <priikone@silcnet.org>
-
- Copyright (C) 2002 Pekka Riikonen
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
-*/
-
-/****h* silcutil/SILC VCard
- *
- * DESCRIPTION
- *
- * Implementation of the VCard 3.0 standard (RFC 2426) that can be used
- * with Requested Attributes (in WHOIS command) to deliver personal
- * information. All fields are not supported since some of the
- * information are not needed in context of SILC. If such VCard is
- * received this implementation ignores the unsupported fields.
- *
- ***/
-
-#ifndef SILCVCARD_H
-#define SILCVCARD_H
-
-/****s* silcutil/SilcVCard/SilcVCard
- *
- * NAME
- *
- * typedef struct { ... } SilcVCardStruct, *SilcVCard;
- *
- * DESCRIPTION
- *
- * This structure is the VCard. This holds the contents of the
- * card. When a card is parsed it is parsed into this structure.
- * When creating a new card application fills this structure and
- * the library encodes the card from it. Free the allocated
- * structure with silc_vcard_free function.
- *
- * SOURCE
- */
-typedef struct {
- char *full_name; /* full name, X.520 common name */
- char *family_name; /* last name, string */
- char *first_name; /* first name, string */
- char *middle_names; /* other names, string (comma sep.) */
- char *prefix; /* honorifix prefix (Mr., Mrs.), string */
- char *suffix; /* honorifix suffix (MD), string (comma sep.) */
- char *nickname; /* string (comma sep. if more than one) */
- char *bday; /* birth day, UTC date string */
- char *title; /* job title X.520, string */
- char *role; /* job role X.520, string */
- char *org_name; /* organization name, string */
- char *org_unit; /* organization unit, string */
- char *categories; /* application category, string */
- char *catclass; /* class (public, private, confidental), string */
- char *url; /* home page, URI string */
- char *label; /* formatted address label, string (same
- format as for 'addr' but comma sep.) */
-
- struct addr {
- char *type; /* address type, string
- (intl, dom, home, work, pref, postal, parcel) */
- char *pbox; /* post office box, string */
- char *ext_addr; /* extended address, string */
- char *street_addr; /* street address, string */
- char *city; /* city, string */
- char *state; /* state/province, string */
- char *code; /* postal code, string */
- char *country; /* country name, string */
- } *addrs;
- SilcUInt8 num_addrs; /* number of addresses */
-
- struct tel {
- char *type; /* telephone number type, string
- (msg, voice, home, work, pref, bbs, modem, car,
- cell, video, pager, isdn, fax) */
- char *telnum; /* single telephone number, string */
- } *tels;
- SilcUInt8 num_tels;
-
- struct email {
- char *type; /* email type, string (internet, pref, x400) */
- char *address; /* single email address, string */
- } *emails;
- SilcUInt8 num_emails;
-
- char *note; /* a note, string */
- char *rev; /* revision of card, UTC date string */
-
- SilcBool dynamic; /* TRUE when dynamically allocated */
-} SilcVCardStruct, *SilcVCard;
-/***/
-
-/****f* silcutil/SilcVCard/silc_vcard_encode
- *
- * SYNOPSIS
- *
- * char *silc_vcard_encode(SilcVCard vcard, SilcUInt32 *vcard_len);
- *
- * DESCRIPTION
- *
- * Encodes VCard from the SilcVCard structure indicated by `vcard'
- * which the caller must fill before calling this function. This
- * function encodes the card and returns allocated buffer and
- * its length into `vcard_len'. The caller must free the returned
- * buffer. Returns NULL on error.
- *
- ***/
-unsigned char *silc_vcard_encode(SilcVCard vcard, SilcUInt32 *vcard_len);
-
-/****f* silcutil/SilcVCard/silc_vcard_decode
- *
- * SYNOPSIS
- *
- * SilcBool silc_vcard_decode(const unsigned char *data,
- * SilcUInt32 data_len, SilcVCard vcard);
- *
- * DESCRIPTION
- *
- * Decodes VCard from the buffer `vcard' of length of `vcard_len' bytes
- * and returns the parsed card into `vcard' structure. The caller must
- * pre-allocate the structure. Returns TRUE if the `vcard' is valid
- * vcard and was successfully parsed or FALSE on error. The structure
- * is freed with silc_vcard_free function when it is not needed anymore.
- *
- ***/
-SilcBool silc_vcard_decode(const unsigned char *data, SilcUInt32 data_len,
- SilcVCard vcard);
-
-/****f* silcutil/SilcVCard/silc_vcard_alloc
- *
- * SYNOPSIS
- *
- * SilcVCard silc_vcard_alloc(void);
- *
- * DESCRIPTION
- *
- * Allocate a SilcVCard context which must be freed with the
- * silc_vcard_free function.
- *
- ***/
-SilcVCard silc_vcard_alloc(void);
-
-/****f* silcutil/SilcVCard/silc_vcard_free
- *
- * SYNOPSIS
- *
- * void silc_vcard_free(SilcVCard vcard);
- *
- * DESCRIPTION
- *
- * Free VCard structure and all data in it.
- *
- ***/
-void silc_vcard_free(SilcVCard vcard);
-
-/****f* silcutil/SilcVCard/silc_vcard_fprintf
- *
- * SYNOPSIS
- *
- * void silc_vcard_fprintf(SilcVCard vcard, FILE *stream);
- *
- * DESCRIPTION
- *
- * Prints the contents of the `vcard' into file stream `stream' in
- * the correct VCard format.
- *
- ***/
-void silc_vcard_fprintf(SilcVCard vcard, FILE *stream);
-
-#endif /* SILCVCARD_H */
projects / crypto.git / commitdiff