ossp-pkg/petidomo/unsubscribe.c
1.2
/*
$Source: /v/ossp/cvs/ossp-pkg/petidomo/unsubscribe.c,v $
$Revision: 1.2 $
Copyright (C) 2000 by CyberSolutions GmbH, Germany.
This file is part of OpenPetidomo.
OpenPetidomo 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, or (at your option)
any later version.
OpenPetidomo 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.
*/
#include <string.h>
#include "libtext/text.h"
#include "petidomo.h"
int
DeleteAddress(struct Mail * MailStruct,
const char * param1,
const char * param2,
const char * defaultlist)
{
const struct List_Config * ListConfig;
FILE * fh;
const char * address = NULL;
const char * listname = NULL;
char owner[4096];
char envelope[4096];
char * buffer;
char * originator;
char * p;
char * list;
debug((DEBUG_COMMAND, 3, "DeleteAddress(\"%s\", \"%s\") with default list \"%s\".",
param1, param2, defaultlist));
/* Try to find out, which parameter is what. */
if (param1 != NULL) {
if (isValidListName(param1) == TRUE)
listname = param1;
else if (isRFC822Address(param1) == TRUE)
address = param1;
if (param2 != NULL) {
if (isValidListName(param2) == TRUE)
listname = param2;
else if (isRFC822Address(param2) == TRUE)
address = param2;
}
}
if (address == NULL)
address = (MailStruct->Reply_To) ? MailStruct->Reply_To : MailStruct->From;
if (listname == NULL && defaultlist != NULL)
listname = defaultlist;
if (address == NULL || listname == NULL) {
syslog(LOG_NOTICE, "%s: unsubscribe-command invalid: No list specified.",
MailStruct->From);
return 0;
}
/* Initialize internal stuff. */
ListConfig = getListConfig(listname);
sprintf(owner, "%s-owner@%s", listname, ListConfig->fqdn);
sprintf(envelope, "%s-owner@%s", listname, ListConfig->fqdn);
originator = (MailStruct->Reply_To) ? MailStruct->Reply_To : MailStruct->From;
debug((DEBUG_COMMAND, 1, "Unsubscribing \"%s\" to list \"%s\".", address, listname));
/* Check whether the request is authorized at all. */
if (isValidAdminPassword(getPassword(), listname) == FALSE) {
/* No valid password, check further. */
if (ListConfig->allowpubsub == FALSE) {
/* Access was unauthorized, notify the originator. */
syslog(LOG_INFO, "\"%s\" tried to unsubscribe \"%s\" from list \"%s\", but " \
"couldn't provide the correct password.", originator, address, listname);
fh = vOpenMailer(envelope, originator, NULL);
if (fh != NULL) {
fprintf(fh, "From: %s-request@%s (Petidomo Mailing List Server)\n",
listname, ListConfig->fqdn);
fprintf(fh, "To: %s\n", originator);
fprintf(fh, "Subject: Your request \"unsubscribe %s %s\"\n",
address, listname);
if (MailStruct->Message_Id != NULL)
fprintf(fh, "In-Reply-To: %s\n", MailStruct->Message_Id);
fprintf(fh, "Precedence: junk\n");
fprintf(fh, "Sender: %s\n", envelope);
fprintf(fh, "\n");
buffer = text_easy_sprintf(
"The mailing list \"%s\" is a closed forum and only the maintainer may " \
"unsubscribe addresses. Your request has been forwarded to the " \
"appropriate person, so please don't send any further mail. You will " \
"be notified as soon as possible.", listname);
text_wordwrap(buffer, 75);
fprintf(fh, "%s\n", buffer);
AppendSignature(fh);
CloseMailer(fh);
}
else
syslog(LOG_ERR, "Failed to send email to \"%s\" concerning his request.",
originator);
/* Notify the owner. */
fh = vOpenMailer(envelope, owner, NULL);
if (fh != NULL) {
fprintf(fh, "From: %s-request@%s (Petidomo Mailing List Server)\n",
listname, ListConfig->fqdn);
fprintf(fh, "To: %s\n", owner);
fprintf(fh, "Subject: Unauthorized request from \"%s\"\n", originator);
fprintf(fh, "Precedence: junk\n");
fprintf(fh, "Sender: %s\n", envelope);
fprintf(fh, "\n");
buffer = text_easy_sprintf(
"\"%s\" tried to unsubscribe the address \"%s\" from the \"%s\" mailing list, " \
"but couldn't provide the correct password. To unsubscribe him, send the " \
"following commands to the server:", originator, address, listname);
text_wordwrap(buffer, 75);
fprintf(fh, "%s\n\n", buffer);
fprintf(fh, "password <AdminPassword>\n");
fprintf(fh, "unsubscribe %s %s\n", address, listname);
AppendSignature(fh);
CloseMailer(fh);
}
else {
syslog(LOG_ERR, "Failed to send email to \"%s\"!", owner);
return -1;
}
return 0;
}
if (ListConfig->allowaliensub == FALSE &&
(MailStruct->From == NULL || !strcasecmp(address, MailStruct->From) == FALSE) &&
(MailStruct->Reply_To == NULL || !strcasecmp(address, MailStruct->Reply_To) == FALSE)) {
/* Trying to unsubscribe something different than himself. */
syslog(LOG_INFO, "\"%s\" tried to unsubscribe \"%s\" from list \"%s\", but the " \
"list type doesn't allow this.", originator, address, listname);
fh = vOpenMailer(envelope, originator, NULL);
if (fh != NULL) {
fprintf(fh, "From: %s-request@%s (Petidomo Mailing List Server)\n",
listname, ListConfig->fqdn);
fprintf(fh, "To: %s\n", originator);
fprintf(fh, "Subject: Your request \"unsubscribe %s %s\"\n",
address, listname);
if (MailStruct->Message_Id != NULL)
fprintf(fh, "In-Reply-To: %s\n", MailStruct->Message_Id);
fprintf(fh, "Precedence: junk\n");
fprintf(fh, "Sender: %s\n", envelope);
fprintf(fh, "\n");
buffer = text_easy_sprintf(
"The mailing list \"%s\" does not allow to automatically subscribe or unsubscribe an " \
"address not equal to the one, you are mailing from. Your request has been forwarded " \
"to the list administrator, so please don't send any futher mail. You will be notified " \
"as soon as possible.", listname);
text_wordwrap(buffer, 75);
fprintf(fh, "%s\n", buffer);
AppendSignature(fh);
CloseMailer(fh);
}
else
syslog(LOG_ERR, "Failed to send email to \"%s\" concerning his request.",
originator);
/* Notify the owner. */
fh = vOpenMailer(envelope, owner, NULL);
if (fh != NULL) {
fprintf(fh, "From: %s-request@%s (Petidomo Mailing List Server)\n",
listname, ListConfig->fqdn);
fprintf(fh, "To: %s\n", owner);
fprintf(fh, "Subject: Unauthorized request from \"%s\"\n", originator);
fprintf(fh, "Precedence: junk\n");
fprintf(fh, "Sender: %s\n", envelope);
fprintf(fh, "\n");
buffer = text_easy_sprintf(
"\"%s\" tried to unsubscribe the address \"%s\" from the \"%s\" mailing list. " \
"The list type does not allow unsubscribing addresses not equal to the From: " \
"address, though, so the request has been denied. To unsubscribe this person " \
"manually, send the following commands to the server:", originator, address, listname);
text_wordwrap(buffer, 75);
fprintf(fh, "%s\n\n", buffer);
fprintf(fh, "password <AdminPassword>\n");
fprintf(fh, "unsubscribe %s %s\n", address, listname);
AppendSignature(fh);
CloseMailer(fh);
}
else {
syslog(LOG_ERR, "Failed to send email to \"%s\"!", owner);
return -1;
}
return 0;
}
}
/* Okay, remove the address from the list. */
if (isSubscribed(listname, address, &list, &p, FALSE) == FALSE) {
/* Address is not subscribed. */
debug((DEBUG_COMMAND, 2, "\"%s\" is not subscribed to list \"%s\".",
address, listname));
/* Notify the originator, that the address is not subscribed at
all. */
fh = vOpenMailer(envelope, originator, NULL);
if (fh != NULL) {
fprintf(fh, "From: %s-request@%s (Petidomo Mailing List Server)\n",
listname, ListConfig->fqdn);
fprintf(fh, "To: %s\n", originator);
fprintf(fh, "Subject: Your request \"unsubscribe %s %s\"\n",
address, listname);
if (MailStruct->Message_Id != NULL)
fprintf(fh, "In-Reply-To: %s\n", MailStruct->Message_Id);
fprintf(fh, "Precedence: junk\n");
fprintf(fh, "Sender: %s\n", envelope);
fprintf(fh, "\n");
fprintf(fh, "The address is not subscribed to this list.\n");
AppendSignature(fh);
CloseMailer(fh);
}
else {
syslog(LOG_ERR, "Failed to send email to \"%s\" concerning his request.",
originator);
return -1;
}
}
else {
buffer = text_easy_sprintf("lists/%s/list", listname);
fh = fopen(buffer, "w");
if (fh == NULL) {
syslog(LOG_ERR, "Failed to open file \"%s\" for writing: %m", buffer);
return -1;
}
*p++ = '\0';
fprintf(fh, "%s", list);
p = text_find_next_line(p); /* skip address in question */
fprintf(fh, "%s", p);
fclose(fh);
/* Send success notification to the originator, and the
unsubscribed address. */
if (!strcasecmp(address, originator) == TRUE)
fh = vOpenMailer(envelope, address, owner, NULL);
else
fh = vOpenMailer(envelope, address, originator, owner, NULL);
if (fh != NULL) {
fprintf(fh, "From: %s-request@%s (Petidomo Mailing List Server)\n",
listname, ListConfig->fqdn);
fprintf(fh, "To: %s\n", address);
if (!strcasecmp(address, originator) == TRUE)
fprintf(fh, "Cc: %s\n", owner);
else
fprintf(fh, "Cc: %s, %s\n", originator, owner);
fprintf(fh, "Subject: Request \"unsubscribe %s %s\"\n", address, listname);
if (MailStruct->Message_Id != NULL)
fprintf(fh, "In-Reply-To: %s\n", MailStruct->Message_Id);
fprintf(fh, "Precedence: junk\n");
fprintf(fh, "Sender: %s\n", envelope);
fprintf(fh, "\n");
if (!strcasecmp(address, originator) == TRUE) {
buffer = text_easy_sprintf(
"Per your request, the address \"%s\" has been unsubscribed from the " \
"\"%s\" mailing list.\n\n", address, listname);
}
else {
buffer = text_easy_sprintf(
"Per request from \"%s\", the address \"%s\" has been unsubscribed from the " \
"\"%s\" mailing list.\n\n", originator, address, listname);
}
text_wordwrap(buffer, 75);
fprintf(fh, "%s", buffer);
AppendSignature(fh);
CloseMailer(fh);
}
else {
syslog(LOG_ERR, "Failed to send email to \"%s\"!", owner);
return -1;
}
}
free(list);
return 0;
}
