#include <errno.h>
#include <sys/types.h>
#include <dirent.h>
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
+#include <time.h>
#include <sys/wait.h>
#include <string.h>
#include <limits.h>
#include "clientsocket.h"
#include "ctdl_module.h"
-/*
- * Generate a randomizationalisticized token to use for authentication of
- * a subscribe or unsubscribe request.
- */
-void listsub_generate_token(char *buf) {
- char sourcebuf[SIZ];
- static int seq = 0;
- size_t len;
-
- /* Theo, please sit down and shut up. This key doesn't have to be
- * tinfoil-hat secure, it just needs to be reasonably unguessable
- * and unique.
- */
- len = sprintf(sourcebuf, "%lx", (long) (++seq + getpid() + time(NULL)));
-
- /* Convert it to base64 so it looks cool */
- len = CtdlEncodeBase64(buf, sourcebuf, len, 0);
- if (buf[len - 1] == '\n') {
- buf[len - 1] = '\0';
- }
-}
-
-
-const RoomNetCfg ActiveSubscribers[] = {listrecp, digestrecp};
-
-int CountThisSubscriber(OneRoomNetCfg *OneRNCfg, StrBuf *email)
-{
- RoomNetCfgLine *Line;
- int found_sub = 0;
- int i;
-
- for (i = 0; i < 2; i++)
- {
- Line = OneRNCfg->NetConfigs[ActiveSubscribers[i]];
- while (Line != NULL)
- {
- if (!strcmp(ChrPtr(email),
- ChrPtr(Line->Value[0])))
- {
- ++found_sub;
- break;
- }
- Line = Line->next;
- }
- }
- return found_sub;
-}
-
-/*
- * Enter a subscription request
- */
-void do_subscribe(StrBuf **room, StrBuf **email, StrBuf **subtype, StrBuf **webpage) {
- struct ctdlroom qrbuf;
- char token[256];
- char *pcf_req;
- StrBuf *cf_req;
- StrBuf *UrlRoom;
- int found_sub = 0;
- const char *RoomMailAddress;
- OneRoomNetCfg *OneRNCfg;
- RoomNetCfgLine *Line;
- const char *EmailSender = NULL;
- long RoomMailAddressLen;
-
- if (CtdlGetRoom(&qrbuf, ChrPtr(*room)) != 0) {
- cprintf("%d There is no list called '%s'\n", ERROR + ROOM_NOT_FOUND, ChrPtr(*room));
- return;
- }
-
- if ((qrbuf.QRflags2 & QR2_SELFLIST) == 0) {
- cprintf("%d '%s' "
- "does not accept subscribe/unsubscribe requests.\n",
- ERROR + HIGHER_ACCESS_REQUIRED, qrbuf.QRname);
- return;
- }
-
- /*
- * Make sure the requested address isn't already subscribed
- */
- begin_critical_section(S_NETCONFIGS);
-
- RoomMailAddress = qrbuf.QRname;
- OneRNCfg = CtdlGetNetCfgForRoom(qrbuf.QRnumber);
- if (OneRNCfg != NULL) {
- found_sub = CountThisSubscriber(OneRNCfg, *email);
- if (StrLength(OneRNCfg->Sender) > 0) {
- EmailSender = RoomMailAddress = ChrPtr(OneRNCfg->Sender);
- }
- }
-
- if (found_sub != 0) {
- cprintf("%d '%s' is already subscribed to '%s'.\n",
- ERROR + ALREADY_EXISTS,
- ChrPtr(*email),
- RoomMailAddress);
-
- FreeRoomNetworkStruct(&OneRNCfg);
- end_critical_section(S_NETCONFIGS);
- return;
- }
-
- /*
- * Now add it to the config
- */
-
- RoomMailAddressLen = strlen(RoomMailAddress);
- listsub_generate_token(token);
- Line = (RoomNetCfgLine*)malloc(sizeof(RoomNetCfgLine));
- memset(Line, 0, sizeof(RoomNetCfgLine));
-
- Line->Value = (StrBuf**) malloc(sizeof(StrBuf*) * 5);
-
- Line->Value[0] = NewStrBufDup(*email);
- Line->Value[1] = *subtype; *subtype = NULL;
- Line->Value[2] = NewStrBufPlain(token, -1);
- Line->Value[3] = NewStrBufPlain(NULL, 10);
- StrBufPrintf(Line->Value[3], "%ld", time(NULL));
- Line->Value[4] = *webpage; *webpage = NULL;
- Line->nValues = 5;
-
- AddRoomCfgLine(OneRNCfg, &qrbuf, subpending, Line);
-
- /* Generate and send the confirmation request */
- UrlRoom = NewStrBuf();
- StrBufUrlescAppend(UrlRoom, NULL, qrbuf.QRname);
-
- cf_req = NewStrBufPlain(NULL, 2048);
- StrBufAppendBufPlain(
- cf_req,
- HKEY("MIME-Version: 1.0\n"
- "Content-Type: multipart/alternative; boundary=\"__ctdlmultipart__\"\n"
- "\n"
- "This is a multipart message in MIME format.\n"
- "\n"
- "--__ctdlmultipart__\n"
- "Content-type: text/plain\n"
- "\n"
- "Someone (probably you) has submitted a request to subscribe\n"
- "<"), 0);
- StrBufAppendBuf(cf_req, Line->Value[0], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("> to the '"), 0);
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("' mailing list.\n"
- "\n"
- "Please go here to confirm this request:\n"
- " "), 0);
- StrBufAppendBuf(cf_req, Line->Value[4], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("?room="), 0);
- StrBufAppendBuf(cf_req, UrlRoom, 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&token="), 0);
- StrBufAppendBuf(cf_req, Line->Value[2], 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("&cmd=confirm \n"
- "\n"
- "If this request has been submitted in error and you do not\n"
- "wish to receive the '"), 0);
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("' mailing list, simply do nothing,\n"
- "and you will not receive any further mailings.\n"
- "\n"
- "--__ctdlmultipart__\n"
- "Content-type: text/html\n"
- "\n"
- "<HTML><BODY>\n"
- "Someone (probably you) has submitted a request to subscribe\n"
- "<"), 0);
- StrBufAppendBuf(cf_req, Line->Value[0], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY( "> to the <B>"), 0);
-
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("'</B> mailing list.<BR><BR>\n"
- "Please click here to confirm this request:<BR>\n"
- "<A HREF=\""), 0);
- StrBufAppendBuf(cf_req, Line->Value[4], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("?room="), 0);
- StrBufAppendBuf(cf_req, UrlRoom, 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&token="), 0);
- StrBufAppendBuf(cf_req, Line->Value[2], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&cmd=confirm\">"), 0);
- StrBufAppendBuf(cf_req, Line->Value[4], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("?room="), 0);
- StrBufAppendBuf(cf_req, UrlRoom, 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&token="), 0);
- StrBufAppendBuf(cf_req, Line->Value[2], 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("&cmd=confirm</A><BR><BR>\n"
- "If this request has been submitted in error and you do not\n"
- "wish to receive the '"), 0);
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("' mailing list, simply do nothing,\n"
- "and you will not receive any further mailings.\n"
- "</BODY></HTML>\n"
- "\n"
- "--__ctdlmultipart__--\n"), 0);
-
- SaveRoomNetConfigFile(OneRNCfg, qrbuf.QRnumber);
- FreeRoomNetworkStruct(&OneRNCfg);
- end_critical_section(S_NETCONFIGS);
-
- pcf_req = SmashStrBuf(&cf_req);
- quickie_message( /* This delivers the message */
- "Citadel",
- EmailSender,
- ChrPtr(*email),
- NULL,
- pcf_req,
- FMT_RFC822,
- "Please confirm your list subscription"
- );
- free(pcf_req);
- cprintf("%d Subscription entered; confirmation request sent\n", CIT_OK);
-
- FreeStrBuf(&UrlRoom);
-}
-
-
-/*
- * Enter an unsubscription request
- */
-void do_unsubscribe(StrBuf **room, StrBuf **email, StrBuf **webpage) {
- struct ctdlroom qrbuf;
- const char *EmailSender = NULL;
- char token[256];
- char *pcf_req;
- StrBuf *cf_req;
- StrBuf *UrlRoom;
- int found_sub = 0;
- const char *RoomMailAddress;
- OneRoomNetCfg *OneRNCfg;
- RoomNetCfgLine *Line;
- long RoomMailAddressLen;
-
- if (CtdlGetRoom(&qrbuf, ChrPtr(*room)) != 0) {
- cprintf("%d There is no list called '%s'\n",
- ERROR + ROOM_NOT_FOUND, ChrPtr(*room));
- return;
- }
-
- if ((qrbuf.QRflags2 & QR2_SELFLIST) == 0) {
- cprintf("%d '%s' "
- "does not accept subscribe/unsubscribe requests.\n",
- ERROR + HIGHER_ACCESS_REQUIRED, qrbuf.QRname);
- return;
- }
-
- listsub_generate_token(token);
-
- /*
- * Make sure there's actually a subscription there to remove
- */
- begin_critical_section(S_NETCONFIGS);
- RoomMailAddress = qrbuf.QRname;
- OneRNCfg = CtdlGetNetCfgForRoom(qrbuf.QRnumber);
- if (OneRNCfg!=NULL) {
- found_sub = CountThisSubscriber(OneRNCfg, *email);
- if (StrLength(OneRNCfg->Sender) > 0)
- EmailSender = RoomMailAddress = ChrPtr(OneRNCfg->Sender);
- }
-
- if (found_sub == 0) {
- cprintf("%d '%s' is not subscribed to '%s'.\n", ERROR + NO_SUCH_USER, ChrPtr(*email), qrbuf.QRname);
- FreeRoomNetworkStruct(&OneRNCfg);
- end_critical_section(S_NETCONFIGS);
- return;
- }
-
- /*
- * Ok, now enter the unsubscribe-pending entry.
- */
- RoomMailAddressLen = strlen(RoomMailAddress);
- listsub_generate_token(token);
- Line = (RoomNetCfgLine*)malloc(sizeof(RoomNetCfgLine));
- memset(Line, 0, sizeof(RoomNetCfgLine));
-
- Line->Value = (StrBuf**) malloc(sizeof(StrBuf*) * 4);
-
- Line->Value[0] = NewStrBufDup(*email);
- Line->Value[1] = NewStrBufPlain(token, -1);
- Line->Value[2] = NewStrBufPlain(NULL, 10);
- StrBufPrintf(Line->Value[2], "%ld", time(NULL));
- Line->Value[3] = *webpage; *webpage = NULL;
- Line->nValues = 4;
-
- AddRoomCfgLine(OneRNCfg, &qrbuf, unsubpending, Line);
-
- /* Generate and send the confirmation request */
- UrlRoom = NewStrBuf();
- StrBufUrlescAppend(UrlRoom, NULL, qrbuf.QRname);
-
- cf_req = NewStrBufPlain(NULL, 2048);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("MIME-Version: 1.0\n"
- "Content-Type: multipart/alternative; boundary=\"__ctdlmultipart__\"\n"
- "\n"
- "This is a multipart message in MIME format.\n"
- "\n"
- "--__ctdlmultipart__\n"
- "Content-type: text/plain\n"
- "\n"
- "Someone (probably you) has submitted a request to unsubscribe\n"
- "<"), 0);
- StrBufAppendBuf(cf_req, Line->Value[0], 0);
-
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("> from the '"), 0);
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("' mailing list.\n"
- "\n"
- "Please go here to confirm this request:\n "), 0);
- StrBufAppendBuf(cf_req, Line->Value[3], 0);
- StrBufAppendBufPlain(cf_req, HKEY("?room="), 0);
- StrBufAppendBuf(cf_req, UrlRoom, 0);
- StrBufAppendBufPlain(cf_req, HKEY("&token="), 0);
- StrBufAppendBuf(cf_req, Line->Value[1], 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("&cmd=confirm \n"
- "\n"
- "If this request has been submitted in error and you do not\n"
- "wish to unsubscribe from the '"), 0);
-
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("' mailing list, simply do nothing,\n"
- "and the request will not be processed.\n"
- "\n"
- "--__ctdlmultipart__\n"
- "Content-type: text/html\n"
- "\n"
- "<HTML><BODY>\n"
- "Someone (probably you) has submitted a request to unsubscribe\n"
- "<"), 0);
- StrBufAppendBuf(cf_req, Line->Value[0], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("> from the <B>"), 0);
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("</B> mailing list.<BR><BR>\n"
- "Please click here to confirm this request:<BR>\n"
- "<A HREF=\""), 0);
- StrBufAppendBuf(cf_req, Line->Value[3], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("?room="), 0);
- StrBufAppendBuf(cf_req, UrlRoom, 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&token="), 0);
- StrBufAppendBuf(cf_req, Line->Value[1], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&cmd=confirm\">"), 0);
- StrBufAppendBuf(cf_req, Line->Value[3], 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("?room="), 0);
- StrBufAppendBuf(cf_req, UrlRoom, 0);
-
- StrBufAppendBufPlain(cf_req, HKEY("&token="), 0);
- StrBufAppendBuf(cf_req, Line->Value[1], 0);
-
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("&cmd=confirm</A><BR><BR>\n"
- "If this request has been submitted in error and you do not\n"
- "wish to unsubscribe from the '"), 0);
- StrBufAppendBufPlain(cf_req, RoomMailAddress, RoomMailAddressLen, 0);
-
- StrBufAppendBufPlain(
- cf_req,
- HKEY("' mailing list, simply do nothing,\n"
- "and the request will not be processed.\n"
- "</BODY></HTML>\n"
- "\n"
- "--__ctdlmultipart__--\n"), 0);
-
- SaveRoomNetConfigFile(OneRNCfg, qrbuf.QRnumber);
- FreeRoomNetworkStruct(&OneRNCfg);
- end_critical_section(S_NETCONFIGS);
-
- pcf_req = SmashStrBuf(&cf_req);
- quickie_message( /* This delivers the message */
- "Citadel",
- EmailSender,
- ChrPtr(*email),
- NULL,
- pcf_req,
- FMT_RFC822,
- "Please confirm your unsubscribe request"
- );
-
- free(pcf_req);
- FreeStrBuf(&UrlRoom);
- cprintf("%d Unubscription noted; confirmation request sent\n", CIT_OK);
-}
-
-
-const RoomNetCfg ConfirmSubscribers[] = {subpending, unsubpending};
-
-/*
- * Confirm a subscribe/unsubscribe request.
- */
-void do_confirm(StrBuf **room, StrBuf **token) {
- struct ctdlroom qrbuf;
- OneRoomNetCfg *OneRNCfg;
- RoomNetCfgLine *Line;
- RoomNetCfgLine *ConfirmLine = NULL;
- RoomNetCfgLine *RemoveLine = NULL;
- RoomNetCfgLine **PrevLine;
- int success = 0;
- RoomNetCfg ConfirmType;
- const char *errmsg = "";
- int i;
-
- if (CtdlGetRoom(&qrbuf, ChrPtr(*room)) != 0) {
- cprintf("%d There is no list called '%s'\n",
- ERROR + ROOM_NOT_FOUND, ChrPtr(*room));
- return;
- }
-
- if ((qrbuf.QRflags2 & QR2_SELFLIST) == 0) {
- cprintf("%d '%s' "
- "does not accept subscribe/unsubscribe requests.\n",
- ERROR + HIGHER_ACCESS_REQUIRED, qrbuf.QRname);
- return;
- }
-
- if (StrLength(*token) == 0) {
- cprintf("%d empty token.\n", ERROR + ILLEGAL_VALUE);
- return;
- }
- /*
- * Now start scanning this room's netconfig file for the
- * specified token.
- */
- begin_critical_section(S_NETCONFIGS);
- OneRNCfg = CtdlGetNetCfgForRoom(qrbuf.QRnumber);
-
- ConfirmType = maxRoomNetCfg;
- if (OneRNCfg==NULL)
- {
- errmsg = "no networking config found";
- }
- else for (i = 0; i < 2; i++)
- {
- int offset;
-
- if (ConfirmSubscribers[i] == subpending)
- offset = 2;
- else
- offset = 1;
- PrevLine = &OneRNCfg->NetConfigs[ConfirmSubscribers[i]];
- Line = *PrevLine;
- while (Line != NULL)
- {
- if (!strcasecmp(ChrPtr(*token),
- ChrPtr(Line->Value[offset])))
- {
- ConfirmLine = Line;
- *PrevLine = Line->next; /* Remove it from the list */
- ConfirmType = ConfirmSubscribers[i];
- ConfirmLine->next = NULL;
-
- i += 100;
- break;
-
- }
- PrevLine = &(*PrevLine)->next;
- Line = Line->next;
- }
- if (ConfirmType == maxRoomNetCfg)
- {
- errmsg = "No active un/subscribe request found";
- }
- }
-
- if (ConfirmType == subpending)
- {
- if (CountThisSubscriber(OneRNCfg, ConfirmLine->Value[0]) == 0)
- {
- if (!strcasecmp(ChrPtr(ConfirmLine->Value[2]),
- ("digest")))
- {
- ConfirmType = digestrecp;
- }
- else /* "list" */
- {
- ConfirmType = listrecp;
- }
-
- syslog(LOG_NOTICE,
- "Mailing list: %s subscribed to %s with token %s\n",
- ChrPtr(ConfirmLine->Value[0]),
- qrbuf.QRname,
- ChrPtr(*token));
-
- FreeStrBuf(&ConfirmLine->Value[1]);
- FreeStrBuf(&ConfirmLine->Value[2]);
- FreeStrBuf(&ConfirmLine->Value[3]);
- FreeStrBuf(&ConfirmLine->Value[4]);
- ConfirmLine->nValues = 1;
-
- AddRoomCfgLine(OneRNCfg, &qrbuf, ConfirmType, ConfirmLine);
- success = 1;
- }
- else
- {
- /* whipe duplicate subscribe entry... */
- errmsg = "already subscribed";
- }
- }
- else if (ConfirmType == unsubpending)
- {
-
- for (i = 0; i < 2; i++)
- {
- PrevLine = &OneRNCfg->NetConfigs[ActiveSubscribers[i]];
- Line = *PrevLine;
- while (Line != NULL)
- {
- if (!strcasecmp(ChrPtr(ConfirmLine->Value[0]),
- ChrPtr(Line->Value[0])))
- {
- success = 1;
- RemoveLine = Line;
- *PrevLine = Line->next; /* Remove it from the list */
- RemoveLine->next = NULL;
- if (RemoveLine != NULL)
- DeleteGenericCfgLine(NULL/*TODO*/, &RemoveLine);
- Line = *PrevLine;
- continue;
- }
- PrevLine = &(*PrevLine)->next;
- Line = Line->next;
- }
- }
-
- if (success)
- {
- syslog(LOG_NOTICE,
- "Mailing list: %s unsubscribed to %s with token %s\n",
- ChrPtr(ConfirmLine->Value[0]),
- qrbuf.QRname,
- ChrPtr(*token));
- }
- else
- {
- errmsg = "no subscriber found for this unsubscription request";
- }
- DeleteGenericCfgLine(NULL/*TODO*/, &ConfirmLine);
- }
-
- SaveRoomNetConfigFile(OneRNCfg, qrbuf.QRnumber);
- FreeRoomNetworkStruct(&OneRNCfg);
- end_critical_section(S_NETCONFIGS);
-
- /*
- * Did we do anything useful today?
- */
- if (success) {
- cprintf("%d %d operation(s) confirmed.\n", CIT_OK, success);
- }
- else {
- syslog(LOG_NOTICE, "failed processing (un)subscribe request: %s",
- errmsg);
- cprintf("%d Invalid token.\n", ERROR + ILLEGAL_VALUE);
- }
-
-}
+// FIXME rewrite the subscribe-o-matic AJC 2021
/*
*/
void cmd_subs(char *cmdbuf)
{
- const char *Pos = NULL;
- StrBuf *Segments[20];
- int i=1;
-
- memset(Segments, 0, sizeof(StrBuf*) * 20);
- Segments[0] = NewStrBufPlain(cmdbuf, -1);
- while ((Pos != StrBufNOTNULL) && (i < 20))
- {
- Segments[i] = NewStrBufPlain(NULL, StrLength(Segments[0]));
- StrBufExtract_NextToken(Segments[i], Segments[0], &Pos, '|');
- i++;
- }
-
- if (!strcasecmp(ChrPtr(Segments[1]), "subscribe")) {
- if ( (strcasecmp(ChrPtr(Segments[4]), "list"))
- && (strcasecmp(ChrPtr(Segments[4]), "digest")) ) {
- cprintf("%d Invalid subscription type '%s'\n",
- ERROR + ILLEGAL_VALUE, ChrPtr(Segments[4]));
- }
- else {
- do_subscribe(&Segments[2], &Segments[3], &Segments[4], &Segments[5]);
- }
- }
- else if (!strcasecmp(ChrPtr(Segments[1]), "unsubscribe")) {
- do_unsubscribe(&Segments[2], &Segments[3], &Segments[4]);
- }
- else if (!strcasecmp(ChrPtr(Segments[1]), "confirm")) {
- do_confirm(&Segments[2], &Segments[3]);
- }
- else {
- cprintf("%d Invalid command\n", ERROR + ILLEGAL_VALUE);
- }
-
- for (; i>=0; i--)
- {
- FreeStrBuf(&Segments[i]);
- }
+ cprintf("%d Invalid command\n", ERROR + ILLEGAL_VALUE);
}
projects / citadel.git / blobdiff