/* $Id: mail2.c,v 1.12 2004/01/30 20:57:56 reinelt Exp $ * * mail: pop3, imap, news functions * * Copyright 2001 Leopold Tötsch * * This file is part of LCD4Linux. * * LCD4Linux 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. * * LCD4Linux 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. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: mail2.c,v $ * Revision 1.12 2004/01/30 20:57:56 reinelt * HD44780 patch from Martin Hejl * dmalloc integrated * * Revision 1.11 2004/01/29 04:40:02 reinelt * every .c file includes "config.h" now * * Revision 1.10 2004/01/09 04:16:06 reinelt * added 'section' argument to cfg_get(), but NULLed it on all calls by now. * * Revision 1.9 2003/10/05 17:58:50 reinelt * libtool junk; copyright messages cleaned up * * Revision 1.8 2003/02/22 07:53:10 reinelt * cfg_get(key,defval) * * Revision 1.7 2002/12/05 19:23:01 reinelt * fixed undefined operations found by gcc3 * * Revision 1.6 2001/09/12 06:17:22 reinelt * *** empty log message *** * * Revision 1.5 2001/09/12 05:58:16 reinelt * fixed bug in mail2.c * * Revision 1.4 2001/03/16 09:28:08 ltoetsch * bugfixes * * Revision 1.3 2001/03/15 14:25:05 ltoetsch * added unread/total news * * Revision 1.2 2001/03/15 11:10:53 ltoetsch * added quit/logout to pop/imap * * Revision 1.1 2001/03/14 13:19:29 ltoetsch * Added pop3/imap4 mail support * * * Exported Functions: * * int Mail_pop_imap_news(char *mbox, int *total_mails, int *unseen); * returns -1 on error, 0 on success * */ #include "config.h" #include #include #include #include #include #include #include "debug.h" #include "cfg.h" #include "socket.h" #ifdef WITH_DMALLOC #include #endif #define PROTO_UNKNOWN -1 #define PROTO_POP3 110 #define PROTO_NNTP 119 #define PROTO_IMAP4 143 /* * parse_proto() * * parse a MailboxN entry in 's' as * * proto:[user[:pass]@]machine[:port][/dir] * * 's' get's destroyed * returns 0 on success, -1 on error * */ static int parse_proto(char *s, int *proto, char **user, char **pass, char **machine, int *port, char **dir) { struct { char *prefix; int proto; } protos[] = { { "pop3:", PROTO_POP3 }, { "nntp:", PROTO_NNTP }, { "imap4:", PROTO_IMAP4 }, }; int i; char *p, *q; static char empty[] = ""; static char INBOX[] = "INBOX"; *proto = *port = PROTO_UNKNOWN; for (i=0; i< sizeof(protos)/sizeof(protos[0]); i++) { if (memcmp(s, protos[i].prefix, strlen(protos[i].prefix)) == 0) { *proto = *port = protos[i].proto; break; } } if (*proto == PROTO_UNKNOWN) return -1; p = s + strlen(protos[i].prefix); /* * this might fail if user or pass contains a '/' * */ if ((q = strchr(p, '/')) != NULL) { /* /dir */ *dir = q + 1; *q = '\0'; } else *dir = empty; if ((q = strchr(p, '@')) != NULL) { /* user, pass is present */ *machine = q + 1; *q = '\0'; *user = p; if ((q = strchr(p, ':')) != NULL) { /* user[:pass] */ *q = '\0'; *pass = q+1; } else *pass = empty; } else { *machine = p; *user = *pass = empty; } if ((q = strchr(*machine, ':')) != NULL) { /* machine[:pass] */ *q = '\0'; *port = atoi(q+1); if (*port <= 0 || *port >= 0xffff) return -1; } if (!**machine) return -1; if (*proto == PROTO_POP3 && **dir) return -1; if (*proto == PROTO_IMAP4 && !**dir) *dir = INBOX; return 0; } /* write buffer, compare with match */ #define BUFLEN 256 static int wr_rd(int fd, char *buf, char *match, char *err, char *machine, int port) { int n; n = write_socket(fd, buf); if (n <= 0) { error("Couldn't write to %s:%d (%s)", machine, port, strerror(errno)); close(fd); return -1; } n = read_socket_match(fd, buf, BUFLEN-1, match); if (n <= 0) { error("%s %s:%d (%s)", err, machine, port, strerror(errno)); close(fd); return -1; } return n; } static int check_nntp(char *user, char *pass, char *machine, int port, char *dir, int *total, int *unseen) { int fd; int n; char buf[BUFLEN]; char line[BUFLEN]; FILE *fp; int groups; int err; int totg, unsg; int first; *total = 0; *unseen = 0; strcpy(buf, cfg_get(NULL, "Newsrc", ".newsrc")); if (*buf == 0 || ((fp = fopen(buf, "r")) == NULL)) { error("Couldn't open .newsrc-file '%s'", buf); return -1; } fd = open_socket(machine, port); if (fd < 0) { error("Couldn't connect to %s:%d (%s)", machine, port, strerror(errno)); fclose(fp); return -1; } n = read_socket_match(fd, buf, BUFLEN-1, "20"); /* server ready */ if (n <= 0) { error("Server doesn't respond %s:%d (%s)", machine, port, strerror(errno)); close(fd); return -1; } /* do auth if necessary, this is NOT TESTED */ if (*user) { sprintf(buf, "AUTHINFO USER %s\r\n", user); if (wr_rd(fd, buf, "381", "No AUTH required?", machine, port) <= 0) return -1; if (*pass) { sprintf(buf, "AUTHINFO PASS %s\r\n", pass); if (wr_rd(fd, buf, "281", "Wrong PASS?", machine, port) <= 0) return -1; } } // Fixme: this is badbadbadbad sleep(2); /* wait for newsserver to read groupinfo */ groups = 0; err = 0; totg = unsg = 0; /* total, unseen */ while (fgets(line, sizeof(line)-1, fp) && err < 5) { char group[256]; char *p; int smin, smax, lmin, lmax; if (sscanf(line, "%255[^:]:", group) != 1) { error("Couldn't read group in '%s'", line); err++; continue; } if ((p=strchr(group,':')) != NULL) *p='\0'; /* check dir if it matches group */ if (*dir && strcmp(dir, group)) continue; sprintf(buf, "GROUP %s\r\n", group); if (wr_rd(fd, buf, "211", "Wrong Group", machine, port) <= 0) { err++; continue; } /* answer 211 total smin smax group: */ sscanf(buf, "211 %*d %d %d", &smin, &smax); debug("nntp: %s: smin=%d smax=%d", group, smin, smax); totg += smax-smin-1; p = strchr(line, ':'); p++; first = 1; while (1) { lmin = strtol(p, &p, 10); if (*p == '-') lmax = strtol(p+1, &p, 10); else lmax=lmin; debug("nntp: %s: lmin=%d lmax=%d", group, lmin, lmax); if (smax >= lmax) { /* server has more articles */ if (first) unsg += smax - lmax; else unsg -= lmax-lmin+1; first = 0; } else /* local has higher article ??? */ break; if (*p == ',') p++; else break; } } /* while fp */ fclose(fp); strcpy(buf, "QUIT\r\n"); wr_rd(fd, buf, "2", "Quit", machine, port); close(fd); *unseen = unsg; *total = totg; return 0; } static int ch
/* $Id$
 * $URL$
 *
 * string plugin
 *
 * Copyright (C) 2003, 2004 Michael Reinelt <reinelt@eunet.at>
 * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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.
 *
 * LCD4Linux 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.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_string (void)
 *  adds some handy string functions
 *
 */


#include "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

#include "debug.h"
#include "plugin.h"


static void my_strlen(RESULT * result, RESULT * arg1)
{
    double value = strlen(R2S(arg1));
    SetResult(&result, R_NUMBER, &value);
}

/* 'upcase' function (shamelessly stolen from plugin_sample.c)*/
/* returns the string in upper case letters */
static void my_strupper(RESULT * result, RESULT * arg1)
{
    char *value, *p;

    value = strdup(R2S(arg1));

    for (p = value; *p != '\0'; p++)
	*p = toupper(*p);

    SetResult(&result, R_STRING, value);
    free(value);
}

static void my_strstr(RESULT * result, RESULT * arg1, RESULT * arg2)
{
    char *p;
    double value;

    char *haystack = R2S(arg1);
    char *needle = R2S(arg2);

    p = strstr(haystack, needle);

    if (p == NULL) {
	value = -1;
    } else {
	value = p - haystack;
    }

    SetResult(&result, R_NUMBER, &value);
}

static void my_substr(RESULT * result, int argc, RESULT * argv[])
{
    char *str, *p1, *p2;
    int pos, len;

    if (argc < 2 || argc > 3) {
	error("substr(): wrong number of parameters");
	SetResult(&result, R_STRING, "");
	return;
    }

    str = strdup(R2S(argv[0]));

    pos = R2N(argv[1]);
    if (pos < 0)
	pos = 0;

    if (argc == 3) {
	len = R2N(argv[2]);
	if (len < 0)
	    len = 0;
    } else {
	len = -1;
    }

    p1 = str;
    while (pos > 0 && *p1 != '\0') {
	p1++;
	pos--;
    }

    if (len >= 0) {
	p2 = p1;
	while (len > 0 && *p2 != '\0') {
	    p2++;
	    len--;
	}
	*p2 = '\0';
    }

    SetResult(&result, R_STRING, p1);
    free(str);
}

int plugin_init_string(void)
{

    /* register some basic string functions */
    AddFunction("strlen", 1, my_strlen);
    AddFunction("strupper", 1, my_strupper);
    AddFunction("strstr", 2, my_strstr);
    AddFunction("substr", -1, my_substr);
    return 0;
}

void plugin_exit_string(void)
{
    /* empty */
}