+++ /dev/null
-/*
- * $Id$
- *
- * This file contains functions which handle the mapping of Internet addresses
- * to users on the Citadel system.
- */
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include "citadel.h"
-#include "server.h"
-#include <time.h>
-#include "sysdep_decls.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "tools.h"
-#include "internet_addressing.h"
-#include "user_ops.h"
-
-
-/*
- * Return 0 if a given string fuzzy-matches a Citadel user account
- *
- * FIX ... this needs to be updated to match any and all address syntaxes.
- */
-int fuzzy_match(struct usersupp *us, char *matchstring) {
- int a;
-
- for (a=0; a<strlen(us->fullname); ++a) {
- if (!strncasecmp(&us->fullname[a],
- matchstring, strlen(matchstring))) {
- return 0;
- }
- }
- return -1;
-}
-
-
-
-
-/*
- * Split an RFC822-style address into userid, host, and full name
- * (Originally from citmail.c, and unchanged so far)
- *
- */
-void process_rfc822_addr(char *rfc822, char *user, char *node, char *name)
-{
- int a;
-
- /* extract full name - first, it's From minus <userid> */
- strcpy(name, rfc822);
- for (a = 0; a < strlen(name); ++a) {
- if (name[a] == '<') {
- do {
- strcpy(&name[a], &name[a + 1]);
- } while ((strlen(name) > 0) && (name[a] != '>'));
- strcpy(&name[a], &name[a + 1]);
- }
- }
- /* strip anything to the left of a bang */
- while ((strlen(name) > 0) && (haschar(name, '!') > 0))
- strcpy(name, &name[1]);
-
- /* and anything to the right of a @ or % */
- for (a = 0; a < strlen(name); ++a) {
- if (name[a] == '@')
- name[a] = 0;
- if (name[a] == '%')
- name[a] = 0;
- }
-
- /* but if there are parentheses, that changes the rules... */
- if ((haschar(rfc822, '(') == 1) && (haschar(rfc822, ')') == 1)) {
- strcpy(name, rfc822);
- while ((strlen(name) > 0) && (name[0] != '(')) {
- strcpy(&name[0], &name[1]);
- }
- strcpy(&name[0], &name[1]);
- for (a = 0; a < strlen(name); ++a) {
- if (name[a] == ')') {
- name[a] = 0;
- }
- }
- }
- /* but if there are a set of quotes, that supersedes everything */
- if (haschar(rfc822, 34) == 2) {
- strcpy(name, rfc822);
- while ((strlen(name) > 0) && (name[0] != 34)) {
- strcpy(&name[0], &name[1]);
- }
- strcpy(&name[0], &name[1]);
- for (a = 0; a < strlen(name); ++a)
- if (name[a] == 34)
- name[a] = 0;
- }
- /* extract user id */
- strcpy(user, rfc822);
-
- /* first get rid of anything in parens */
- for (a = 0; a < strlen(user); ++a)
- if (user[a] == '(') {
- do {
- strcpy(&user[a], &user[a + 1]);
- } while ((strlen(user) > 0) && (user[a] != ')'));
- strcpy(&user[a], &user[a + 1]);
- }
- /* if there's a set of angle brackets, strip it down to that */
- if ((haschar(user, '<') == 1) && (haschar(user, '>') == 1)) {
- while ((strlen(user) > 0) && (user[0] != '<')) {
- strcpy(&user[0], &user[1]);
- }
- strcpy(&user[0], &user[1]);
- for (a = 0; a < strlen(user); ++a)
- if (user[a] == '>')
- user[a] = 0;
- }
- /* strip anything to the left of a bang */
- while ((strlen(user) > 0) && (haschar(user, '!') > 0))
- strcpy(user, &user[1]);
-
- /* and anything to the right of a @ or % */
- for (a = 0; a < strlen(user); ++a) {
- if (user[a] == '@')
- user[a] = 0;
- if (user[a] == '%')
- user[a] = 0;
- }
-
-
- /* extract node name */
- strcpy(node, rfc822);
-
- /* first get rid of anything in parens */
- for (a = 0; a < strlen(node); ++a)
- if (node[a] == '(') {
- do {
- strcpy(&node[a], &node[a + 1]);
- } while ((strlen(node) > 0) && (node[a] != ')'));
- strcpy(&node[a], &node[a + 1]);
- }
- /* if there's a set of angle brackets, strip it down to that */
- if ((haschar(node, '<') == 1) && (haschar(node, '>') == 1)) {
- while ((strlen(node) > 0) && (node[0] != '<')) {
- strcpy(&node[0], &node[1]);
- }
- strcpy(&node[0], &node[1]);
- for (a = 0; a < strlen(node); ++a)
- if (node[a] == '>')
- node[a] = 0;
- }
- /* strip anything to the left of a @ */
- while ((strlen(node) > 0) && (haschar(node, '@') > 0))
- strcpy(node, &node[1]);
-
- /* strip anything to the left of a % */
- while ((strlen(node) > 0) && (haschar(node, '%') > 0))
- strcpy(node, &node[1]);
-
- /* reduce multiple system bang paths to node!user */
- while ((strlen(node) > 0) && (haschar(node, '!') > 1))
- strcpy(node, &node[1]);
-
- /* now get rid of the user portion of a node!user string */
- for (a = 0; a < strlen(node); ++a)
- if (node[a] == '!')
- node[a] = 0;
-
- /* strip leading and trailing spaces in all strings */
- striplt(user);
- striplt(node);
- striplt(name);
-}
-
-
-
-/*
- * Back end for convert_internet_address()
- * (Compares an internet name [buffer1] and stores in [buffer2] if found)
- */
-void try_name(struct usersupp *us) {
-
- if (!strncasecmp(CC->buffer1, "cit", 3))
- if (atol(&CC->buffer1[3]) == us->usernum)
- strcpy(CC->buffer2, us->fullname);
-
- if (!collapsed_strcmp(CC->buffer1, us->fullname))
- strcpy(CC->buffer2, us->fullname);
-
- if (us->uid != BBSUID)
- if (!strcasecmp(CC->buffer1, getpwuid(us->uid)->pw_name))
- strcpy(CC->buffer2, us->fullname);
-}
-
-
-/*
- * Convert an Internet email address to a Citadel user/host combination
- */
-int convert_internet_address(char *destuser, char *desthost, char *source)
-{
- char user[256];
- char node[256];
- char name[256];
-
- /* Split it up */
- process_rfc822_addr(source, user, node, name);
-
- /* Map the FQDN to a Citadel node name
- * FIX ... we have to check for all known aliases for the local
- * system, and also handle gateway domains, etc. etc.
- */
- if (!strcasecmp(node, config.c_fqdn)) {
- strcpy(node, config.c_nodename);
- }
-
- /* Return an error condition if the node is not known.
- * FIX ... make this work for non-local systems
- */
- if (strcasecmp(node, config.c_nodename)) {
- return(1);
- }
-
- /* Now try to resolve the name
- * FIX ... do the multiple-addresses thing
- */
- if (!strcasecmp(node, config.c_nodename)) {
- strcpy(destuser, user);
- strcpy(desthost, config.c_nodename);
- strcpy(CC->buffer1, user);
- strcpy(CC->buffer2, "");
- ForEachUser(try_name);
- if (strlen(CC->buffer2) == 0) return(2);
- strcpy(destuser, CC->buffer2);
- return(0);
- }
-
- return(3); /* unknown error */
-}
projects / citadel.git / blobdiff