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/* -*- show-trailing-whitespace: t; indent-tabs: t -*-
 * Copyright (c) 2003,2004,2005,2006 David Lichteblau
 * Copyright (c) 2006 Perry Nguyen
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <glib.h>
/* fixme: */
#include <ldap.h>
#include <ldap_schema.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/termios.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>
#include <ctype.h>

#define MANUAL_SYNTAX_URL "http://www.lichteblau.com/ldapvi/manual#syntax"
#define MANUAL_LDIF_URL "http://www.lichteblau.com/ldapvi/manual#syntax-ldif"
#define RFC_2849_URL "http://www.rfc-editor.org/rfc/rfc2849.txt"

typedef struct tschema {
      GHashTable *classes;
      GHashTable *types;
} tschema;

typedef struct tentroid {
      tschema *schema;
      GPtrArray *classes;
      GPtrArray *must;
      GPtrArray *may;
      LDAPObjectClass *structural;
      GString *comment;
      GString *error;
} tentroid;

 * error.c
#define syserr() do_syserr(__FILE__, __LINE__)

void do_syserr(char *file, int line);
void yourfault(char *str);
void ldaperr(LDAP *ld, char *str);

 * arguments.c
enum ldapvi_mode {
      ldapvi_mode_edit, ldapvi_mode_in, ldapvi_mode_out,
      ldapvi_mode_delete, ldapvi_mode_rename, ldapvi_mode_modrdn

enum bind_dialog {

/* FIXME (?): For now, we recklessly leak all strings stored in
 * bind_options when reauthentication is performed and new values are
 * stored. */
typedef struct bind_options {
        ber_tag_t authmethod;   /* LDAP_AUTH_SASL or LDAP_AUTH_NONE */
        enum bind_dialog dialog;
        char *user;             /* DN or user search filter */
        char *password;         /* Simple or SASL passwd */
        char *sasl_authcid;
        char *sasl_authzid;
        char *sasl_mech;
        char *sasl_realm;
        char *sasl_secprops;
} bind_options;

typedef struct cmdline {
      char *server;
      GPtrArray *basedns;
      int scope;
      char *filter;
      char **attrs;
      bind_options bind_options;
      int quiet;
      int referrals;
      GPtrArray *classes;
      int ldapmodify_add;
      int managedsait;
      char *sortkeys;
      int starttls;
      int tls;
      int deref;
      int verbose;
      int noquestions;
      int noninteractive;
      int discover;
      int config;
      int ldif;
      int ldapvi;
      int mode;
      char **delete_dns;
      char *rename_old;
      char *rename_new;
      int rename_dor;
      char *in_file;
      int schema_comments;
      int continuous;
      int profileonlyp;
} cmdline;

void init_cmdline(cmdline *cmdline);
void parse_arguments(
      int argc, const char **argv, cmdline *result, GPtrArray *ctrls);
void usage(int fd, int rc);

 * data.c
typedef struct named_array {
      char *name;
      GPtrArray *array;
} named_array;

typedef struct tentry {
      struct named_array e;
} tentry;
#define entry_dn(entry) ((entry)->e.name)
#define entry_attributes(entry) ((entry)->e.array)

typedef struct tattribute {
      struct named_array a;
} tattribute;
#define attribute_ad(attribute) ((attribute)->a.name)
#define attribute_values(attribute) ((attribute)->a.array)

tentry *entry_new(char *dn);
void entry_free(tentry *e);
int entry_cmp(tentry *e, tentry *f);

tattribute *attribute_new(char *ad);
void attribute_free(tattribute *a);
int attribute_cmp(tattribute *a, tattribute *b);

int named_array_ptr_cmp(const void *aa, const void *bb);

LDAPMod *attribute2mods(tattribute *attribute);
LDAPMod **entry2mods(tentry *entry);
tattribute *entry_find_attribute(tentry *entry, char *ad, int createp);
void attribute_append_value(tattribute *attribute, char *data, int n);
int attribute_find_value(tattribute *attribute, char *data, int n);
int attribute_remove_value(tattribute *a, char *data, int n);

struct berval *string2berval(GArray *s);
struct berval *gstring2berval(GString *s);
char *array2string(GArray *av);
void xfree_berval(struct berval *bv);

 * parse.c
typedef int (*parser_entry)(FILE *, long, char **, tentry **, long *);
typedef int (*parser_peek)(FILE *, long, char **, long *);
typedef int (*parser_skip)(FILE *, long, char **);
typedef int (*parser_rename)(FILE *, long, char **, char **, int *);
typedef int (*parser_delete)(FILE *, long, char **);
typedef int (*parser_modify)(FILE *, long, char **, LDAPMod ***);
typedef void (*print_entry)(FILE *, tentry *, char *, tentroid *);

typedef struct tparser {
      parser_entry entry;

      parser_peek peek;
      parser_skip skip;

      parser_rename rename;
      parser_delete delete;
      parser_modify modify;

      print_entry print; /* ja, das muss so sein */
} tparser;

extern tparser ldif_parser;
extern tparser ldapvi_parser;

int peek_entry(FILE *s, long offset, char **key, long *pos);
int read_entry(FILE *s, long offset, char **key, tentry **entry, long *pos);
int read_rename(FILE *s, long offset, char **dn1, char **dn2, int *);
int read_modify(FILE *s, long offset, char **dn, LDAPMod ***mods);
int read_delete(FILE *s, long offset, char **dn);
int skip_entry(FILE *s, long offset, char **key);
int read_profile(FILE *s, tentry **entry);

 * diff.c
typedef int (*handler_change)(int, char *, char *, LDAPMod **, void *);
typedef int (*handler_rename)(int, char *, tentry *, void *);
typedef int (*handler_add)(int, char *, LDAPMod **, void *);
typedef int (*handler_delete)(int, char *, void *);
typedef int (*handler_rename0)(int, char *, char *, int, void *);

typedef struct thandler {
      handler_change change;
      handler_rename rename;
      handler_add add;
      handler_delete delete;
      handler_rename0 rename0;
} thandler;

int compare_streams(
      tparser *parser,
      thandler *handler,
      void *userdata,
      GArray *offsets,
      FILE *clean,
      FILE *data,
      long *error_position,
      long *syntax_error_position);

enum frob_rdn_mode {
int frob_rdn(tentry *entry, char *dn, int mode);
int process_immediate(tparser *, thandler *, void *, FILE *, long, char *);

 * misc.c
enum dialog_mode {
typedef struct dialog {
      enum dialog_mode mode;
      char *prompt;
      char *value;
} tdialog;

int carray_cmp(GArray *a, GArray *b);
int carray_ptr_cmp(const void *aa, const void *bb);
void cp(char *src, char *dst, off_t skip, int append);
void fcopy(FILE *src, FILE *dst);
char choose(char *prompt, char *charbag, char *help);
void edit_pos(char *pathname, long pos);
void edit(char *pathname, long line);
void view(char *pathname);
int pipeview(int *fd);
void pipeview_wait(int pid);
char *home_filename(char *name);
void read_ldapvi_history(void);
void write_ldapvi_history(void);
char *getline(char *prompt, char *value);
char *get_password();
char *append(char *a, char *b);
void *xalloc(size_t size);
char *xdup(char *str);
int adjoin_str(GPtrArray *, char *);
int adjoin_ptr(GPtrArray *, void *);
void init_dialog(tdialog *, enum dialog_mode, char *, char *);
void dialog(char *header, tdialog *, int, int);

 * schema.c
char *objectclass_name(LDAPObjectClass *);
char *attributetype_name(LDAPAttributeType *);

tschema *schema_new(LDAP *ld);
void schema_free(tschema *schema);
LDAPObjectClass *schema_get_objectclass(tschema *, char *);
LDAPAttributeType *schema_get_attributetype(tschema *, char *);

tentroid *entroid_new(tschema *);
void entroid_reset(tentroid *);
void entroid_free(tentroid *);
LDAPObjectClass *entroid_get_objectclass(tentroid *, char *);
LDAPAttributeType *entroid_get_attributetype(tentroid *, char *);
LDAPObjectClass *entroid_request_class(tentroid *, char *);
int entroid_remove_ad(tentroid *, char *);
int compute_entroid(tentroid *);

 * print.c
typedef enum t_print_binary_mode {
} t_print_binary_mode;
extern t_print_binary_mode print_binary_mode;

void print_ldapvi_entry(FILE *s, tentry *entry, char *key, tentroid *);
void print_ldapvi_modify(FILE *s, char *dn, LDAPMod **mods);
void print_ldapvi_rename(FILE *s, char *olddn, char *newdn, int deleteoldrdn);
void print_ldapvi_add(FILE *s, char *dn, LDAPMod **mods);
void print_ldapvi_delete(FILE *s, char *dn);
void print_ldapvi_modrdn(FILE *s, char *olddn, char *newrdn, int deleteoldrdn);
void print_ldapvi_message(FILE *, LDAP *, LDAPMessage *, int key, tentroid *);
void print_ldif_entry(FILE *s, tentry *entry, char *key, tentroid *);
void print_ldif_modify(FILE *s, char *dn, LDAPMod **mods);
void print_ldif_rename(FILE *s, char *olddn, char *newdn, int deleteoldrdn);
void print_ldif_add(FILE *s, char *dn, LDAPMod **mods);
void print_ldif_delete(FILE *s, char *dn);
void print_ldif_modrdn(FILE *s, char *olddn, char *newrdn, int deleteoldrdn);
void print_ldif_message(FILE *, LDAP *, LDAPMessage *, int key, tentroid *);

 * search.c
void discover_naming_contexts(LDAP *ld, GPtrArray *basedns);
GArray *search(
      FILE *s, LDAP *ld, cmdline *cmdline, LDAPControl **ctrls, int notty,
      int ldif);
LDAPMessage *get_entry(LDAP *ld, char *dn, LDAPMessage **result);

 * port.c
typedef void (*on_exit_function)(int, void *);
int g_string_append_sha(GString *string, char *key);
int g_string_append_ssha(GString *string, char *key);
int g_string_append_md5(GString *string, char *key);
int g_string_append_smd5(GString *string, char *key);

 * base64.c
void print_base64(unsigned char const *src, size_t srclength, FILE *s);
void g_string_append_base64(
      GString *string, unsigned char const *src, size_t srclength);
int read_base64(char const *src, unsigned char *target, size_t targsize);

 * sasl.c
typedef struct sasl_defaults {
      bind_options *bind_options;
      GPtrArray *scratch;
      char *pathname;
      int fd, out, err;
} tsasl_defaults;

void init_sasl_redirection(tsasl_defaults *, char *);
void enable_sasl_redirection(tsasl_defaults *);
void disable_sasl_redirection(tsasl_defaults *);
void finish_sasl_redirection(tsasl_defaults *);

tsasl_defaults *sasl_defaults_new(bind_options *bind_options);
void sasl_defaults_free(tsasl_defaults *sd);
int ldapvi_sasl_interact(LDAP *ld, unsigned flags, void *defaults, void *p);

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