imapfilter/imapfilter/action.c

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

#include "config.h"
#include "imapfilter.h"


extern conn_t connpri, connaux;
extern unsigned int options;


int action_delete(char *mesgs, char *args);
int action_copy(char *mbox, char *mesgs, char *destmbox, char *args);
int action_move(char *mbox, char *mesgs, char *destmbox, char *args);
int action_rcopy(char *mbox, char *mesgs, account_t * destacc, char *destmbox, char *args);
int action_rmove(char *mbox, char *mesgs, account_t * destacc, char *destmbox, char *args);
int action_flag(char *mesgs, unsigned int *type, unsigned int *msgflags, char *args);
int action_list(char *mesgs, char *args);

unsigned int count_messages(char *mesgs);
char *convert_messages(char *mesgs);
int substitute_date(char *str);
void current_date(char *destmbox);
void message_date(char *mesg, char *destmbox);
void default_variables(char *mbox, char *destmbox);


/*
 * Apply the appropriate action.
 */
int
apply_action(char *mbox, char *mesgs, unsigned int *type, account_t * raccount,
    char *destmbox, unsigned int *msgflags, char *args)
{
        unsigned int cnt;

        if (*mesgs == '\0')
                return 0;

        log_info(LOG_ACTION, type);
        log_info(LOG_DESTINATION_ACCOUNT, raccount->key);
        log_info(LOG_DESTINATION_MAILBOX, destmbox);

        cnt = count_messages(mesgs);

        switch (*type) {
        case FILTER_ACTION_DELETE:
                info("%d message%s deleted.\n", cnt, plural(cnt));
                action_delete(mesgs, args);
                break;
        case FILTER_ACTION_COPY:
                info("%d message%s copied from \"%s\" to mailbox \"%s\".\n",
                    cnt, plural(cnt), mbox, destmbox);
                action_copy(mbox, mesgs, apply_namespace(destmbox,
                        connpri.nsp.prefix, connpri.nsp.delim), args);
                break;
        case FILTER_ACTION_MOVE:
                info("%d message%s moved from \"%s\" to mailbox \"%s\".\n",
                    cnt, plural(cnt), mbox, destmbox);
                action_move(mbox, mesgs, apply_namespace(destmbox,
                        connpri.nsp.prefix, connpri.nsp.delim), args);
                break;
        case FILTER_ACTION_RCOPY:
                info("%d message%s copied from \"%s\" to mailbox "
                    "\"%s\" at account %s.\n", cnt, plural(cnt),
                    mbox, destmbox, raccount->key);
                action_rcopy(mbox, mesgs, raccount, destmbox, args);
                break;
        case FILTER_ACTION_RMOVE:
                info("%d message%s moved from \"%s\" to mailbox "
                    "\"%s\" at account %s.\n", cnt, plural(cnt),
                    mbox, destmbox, raccount->key);
                action_rmove(mbox, mesgs, raccount, destmbox, args);
                break;
        case FILTER_ACTION_FLAG_REPLACE:
        case FILTER_ACTION_FLAG_ADD:
        case FILTER_ACTION_FLAG_REMOVE:
                info("%d message%s flagged.\n", cnt, plural(cnt));
                action_flag(mesgs, type, msgflags, args);
                break;
        case FILTER_ACTION_LIST:
                info("%d message%s listed.\n", cnt, plural(cnt));
                action_list(mesgs, args);
                break;
        }

        if (*args == '\0')
                log_info(LOG_PREAMBLE, NULL);

        return 0;
}


/*
 * Delete messages and optionally list some of their headers.
 */
int
action_delete(char *mesgs, char *args)
{
        char *tok, *m, *mcp;

        action_list(mesgs, args);

        m = mcp = convert_messages(mesgs);

        tok = strtok_r(m, " ", &m);
        while (tok) {
                server_response(&connpri, imap_store(&connpri, tok,
                        STORE_FLAG_ADD, "\\Deleted"));

                tok = strtok_r(NULL, " ", &m);
        }

        if (options & OPTION_EXPUNGE)
                server_response(&connpri, imap_expunge(&connpri));

        xfree(mcp);

        return 0;
}


/*
 * Copy messages to specified mailbox.
 */
int
action_copy(char *mbox, char *mesgs, char *destmbox, char *args)
{
        int r;
        char *tok, *mcp, *m;
        char dm[2][MBOX_NAME_LEN];

        r = 0;
        tok = NULL;

        action_list(mesgs, args);

        if (strchr(destmbox, '@'))
                m = mcp = xstrdup(mesgs);
        else
                m = mcp = convert_messages(mesgs);

        xstrncpy(dm[0], destmbox, MBOX_NAME_LEN - 1);
        default_variables(mbox, dm[0]);
        current_date(dm[0]);
        tok = strtok_r(m, " ", &m);
        while (tok != NULL) {
                xstrncpy(dm[1], dm[0], MBOX_NAME_LEN - 1);
                message_date(tok, dm[1]);

                if ((r = copy_response(&connpri, imap_copy(&connpri, tok,
                                dm[1]))) == RESPONSE_TRYCREATE)
                        if (!server_response(&connpri, imap_create(&connpri,
                                    dm[1]))) {
                                if ((options & OPTION_SUBSCRIBE))
                                        server_response(&connpri,
                                            imap_subscribe(&connpri, dm[1]));
                                r = copy_response(&connpri,
                                    imap_copy(&connpri, tok, dm[1]));
                        }
                tok = strtok_r(NULL, " ", &m);
        }

        xfree(mcp);

        return r;
}


/*
 * Move messages to specified mailbox.
 */
int
action_move(char *mbox, char *mesgs, char *destmbox, char *args)
{
        if (!action_copy(mbox, mesgs, destmbox, args))
                action_delete(mesgs, "\0");

        return 0;
}


/*
 * Copy messages to the specified mailbox of another mail server.
 */
int
action_rcopy(char *mbox, char *mesgs, account_t * destacc, char *destmbox,
    char *args)
{
        int r, ta, tf;
        char *tok, *m, *mcp, *ndm;
        unsigned int n;
        char buf[RESPONSE_BUF * 2 + 1];
        char dm[3][MBOX_NAME_LEN];

        *dm[0] = *dm[1] = *dm[2] = '\0';

        if (init_connection(&connaux, destacc->server, destacc->port,
                destacc->ssl))
                return ERROR_NETWORK;

        r = greeting_response(&connaux);

#ifdef DEBUG
        test(&connaux);
#endif

        if (r == RESPONSE_BYE || check_capabilities(&connaux))
                return ERROR_NETWORK;

#ifdef SSL_TLS
        if (destacc->ssl == SSL_DISABLED && connaux.caps & CAPABILITY_STARTTLS)
                if (negotiate_tls(&connaux) == RESPONSE_OK)
                        check_capabilities(&connaux);
#endif

        if (r != RESPONSE_PREAUTH) {
                if (destacc->passwdattr == PASSWORD_NONE) {
                        printf("Enter password for %s@%s: ", destacc->username,
                            destacc->server);
                        get_password(destacc->password, PASSWORD_LEN);
                        destacc->passwdattr = PASSWORD_PLAIN;
                }
#ifdef CRAM_MD5
                if (connaux.caps & CAPABILITY_AUTH_CRAM_MD5)
                        r = auth_cram_md5(&connaux, destacc->username,
                            destacc->password);
                else
#endif
                        r = login(&connaux, destacc->username,
                            destacc->password);

                if (r == RESPONSE_NO) {
                        error("username %s or password rejected at %s\n",
                            destacc->username, destacc->server);
                        return ERROR_NETWORK;
                }
        }
        check_namespace(&connaux);

        m = mcp = xstrdup(mesgs);

        xstrncpy(dm[1], destmbox, MBOX_NAME_LEN - 1);
        current_date(dm[1]);

        tok = strtok_r(m, " ", &m);
        while (tok != NULL) {
                xstrncpy(dm[2], dm[1], MBOX_NAME_LEN - 1);
                message_date(tok, dm[2]);

                /* apply_namespace() returns a pointer to a static buffer. */
                ndm = apply_namespace(dm[2], connaux.nsp.prefix,
                    connaux.nsp.delim);

                /* Check only if mailbox name is different from last one. */
                if (strncmp(dm[0], dm[2], strlen(dm[2]))) {
                        r = check_mailbox(&connaux, ndm);
                        if (r == RESPONSE_NO) {
                                server_response(&connaux,
                                    imap_create(&connaux, ndm));
                                if ((options & OPTION_SUBSCRIBE))
                                        server_response(&connaux,
                                            imap_subscribe(&connaux, ndm));
                        }
                }
                xstrncpy(dm[0], dm[2], MBOX_NAME_LEN - 1);

                fetchsize_response(&connpri, &n,
                    imap_fetch(&connpri, tok, "RFC822.SIZE"));

                ta = imap_append(&connaux, ndm, n);

                fetch_response(&connpri, 0, 1, NULL);
                tf = imap_fetch(&connpri, tok, "RFC822.HEADER");
                do {
                        r = fetch_response(&connpri, tf, 0, buf);
                        socket_write(&connaux, buf);
                } while (r == RESPONSE_NONE);

                socket_write(&connaux, "\r\n");

                fetch_response(&connpri, 0, 1, NULL);
                tf = imap_fetch(&connpri, tok, "BODY[TEXT]");
                do {
                        r = fetch_response(&connpri, tf, 0, buf);
                        if (r != RESPONSE_NULLBODY)
                                socket_write(&connaux, buf);
                } while (r == RESPONSE_NONE);

                if (r != RESPONSE_NULLBODY)
                        socket_write(&connaux, "\r\n\r\n");
                else
                        socket_write(&connaux, "\r\n");

                append_response(&connaux, ta);

                tok = strtok_r(NULL, " ", &m);
        }

        logout(&connaux);

        action_list(mesgs, args);

        xfree(mcp);

        return 0;
}


/*
 * Move messages to the specified mailbox of another mail server.
 */
int
action_rmove(char *mbox, char *mesgs, account_t * destacc, char *destmbox,
    char *args)
{
        if (!action_rcopy(mbox, mesgs, destacc, destmbox, args))
                action_delete(mesgs, "\0");

        return 0;
}


/*
 * Flag messages by replacing, adding or removing specified flags.
 */
int
action_flag(char *mesgs, unsigned int *type, unsigned int *msgflags,
    char *args)
{
        unsigned int t;
        char s[STORE_FLAGS_BUF];
        char *tok, *m, *mcp;

        *s = 0;

        switch (*type) {
        case FILTER_ACTION_FLAG_ADD:
                t = STORE_FLAG_ADD;
                break;
        case FILTER_ACTION_FLAG_REMOVE:
                t = STORE_FLAG_REMOVE;
                break;
        default:
                t = STORE_FLAG_REPLACE;
        }

        if ((*msgflags != MESSAGE_FLAG_NONE)) {
                if ((*msgflags & MESSAGE_FLAG_SEEN))
                        strncat(s, "\\Seen ", STORE_FLAGS_BUF - strlen(s) - 1);
                if ((*msgflags & MESSAGE_FLAG_ANSWERED))
                        strncat(s, "\\Answered ",
                            STORE_FLAGS_BUF - strlen(s) - 1);
                if ((*msgflags & MESSAGE_FLAG_FLAGGED))
                        strncat(s, "\\Flagged ",
                            STORE_FLAGS_BUF - strlen(s) - 1);
                if ((*msgflags & MESSAGE_FLAG_DELETED))
                        strncat(s, "\\Deleted ",
                            STORE_FLAGS_BUF - strlen(s) - 1);
                if ((*msgflags & MESSAGE_FLAG_DRAFT))
                        strncat(s, "\\Draft", STORE_FLAGS_BUF - strlen(s) - 1);
                if ((s[strlen(s) - 1] == ' '))
                        s[strlen(s) - 1] = 0;
        }
        action_list(mesgs, args);

        m = mcp = convert_messages(mesgs);

        tok = strtok_r(m, " ", &m);
        while (tok != NULL) {
                server_response(&connpri, imap_store(&connpri, tok, t, s));

                tok = strtok_r(NULL, " ", &m);
        }

        if (options & OPTION_EXPUNGE)
                server_response(&connpri, imap_expunge(&connpri));

        xfree(mcp);

        return 0;
}

/*
 * List user selected headers of messages.
 */
int
action_list(char *mesgs, char *args)
{
        int r, t;
        char *tok, *mcp, *m;
        char s[ARGS_LEN + 27];
        char hdrs[RESPONSE_BUF * 2 + 1];

        if (*args == '\0')
                return 0;

        m = mcp = xstrdup(mesgs);

        snprintf(s, ARGS_LEN + 27 - 1, "BODY.PEEK[HEADER.FIELDS (%s)]", args);

        tok = strtok_r(m, " ", &m);
        while (tok != NULL) {
                /* Reset internal fetch counter. */
                fetch_response(&connpri, 0, 1, NULL);
                t = imap_fetch(&connpri, tok, s);

                log_info(LOG_PREAMBLE, NULL);
                do {
                        r = fetch_response(&connpri, t, 0, hdrs);

                        if (*hdrs != '\0') {
                                if (options & OPTION_HEADERS)
                                        info("%s\n", hdrs);
                                log_info(LOG_HEADER, hdrs);
                        }
                } while (r == RESPONSE_NONE);

                tok = strtok_r(NULL, " ", &m);
        }

        xfree(mcp);

        return 0;
}


/*
 * Count how many messages matched the filter.
 */
unsigned int
count_messages(char *mesgs)
{
        unsigned int cnt;
        char *c;

        cnt = 0;
        c = mesgs;

        while ((c = strchr(c, ' '))) {
                cnt++;
                c++;
        }

        return ++cnt;
}


/*
 * Convert messages with contiguous sequence number to the corresponding
 * number range, eg. 1 2 3 5 7 8 --> 1:3 5 7:8 and return a newly allocated
 * buffer with the results.
 */
char *
convert_messages(char *mesgs)
{
        int maxlen;
        unsigned int start, end, tmp;
        char *c, *cp, *tail;

        start = end = tmp = 0;
        maxlen = strlen(mesgs) + 1;
        tail = NULL;

        c = cp = xstrdup(mesgs);

        start = (unsigned int)strtoul(mesgs, &tail, 10);
        end = start;

        do {
                if (tail != NULL) {
                        tmp = (unsigned int)strtoul(tail, &tail, 10);
                        if (tmp == 0)
                                tail = NULL;
                }
                if (tmp == end + 1)
                        end++;
                else {
                        if (start == end) {
                                xstrncpy(c, ultostr(start, 10), maxlen);
                                c += strlen(c);
                        } else {
                                xstrncpy(c, ultostr(start, 10), maxlen - 1);
                                c += strlen(c);
                                *c = ':';
                                *++c = 0;
                                xstrncpy(c, ultostr(end, 10), maxlen);
                                c += strlen(c);
                        }

                        if (tail != NULL && c - cp < maxlen) {
                                *c = ' ';
                                *++c = 0;
                        }
                        start = end = tmp;
                }
        } while (tmp != 0);

        return cp;
}


/*
 * Substitute all occurences of the '@' character with the '%' character,
 * and any double '@' characters with a signle '@' character, returning the
 * number of replacements.
 */
int
substitute_date(char *str)
{
        int n;
        char *r, *w, *s;

        n = 0;

        s = xstrdup(str);

        for (r = s, w = str; *r != '\0'; r++, w++) {
                if (*r == '%') {
                        *w++ = '%';
                        *w = '%';
                } else if (*r == '@') {
                        if (*(r + 1) == '@') {
                                *w = *r++;
                        } else {
                                *w = '%';
                                n++;
                        }
                } else {
                        *w = *r;
                }
        }
        *w = '\0';

        xfree(s);

        return n;
}


/*
 * Format the destination mailbox according to the current date conversion
 * specifiers.
 */
void
current_date(char *destmbox)
{
        char s[MBOX_NAME_LEN];
        time_t te;
        struct tm *tl;

        if (!strchr(destmbox, '%'))
                return;

        te = time(NULL);
        tl = localtime(&te);

        if (strftime(s, MBOX_NAME_LEN - 1, destmbox, tl))
                xstrncpy(destmbox, s, MBOX_NAME_LEN - 1);
}


/*
 * Format the destination mailbox according to the message date conversion
 * specifiers.
 */
void
message_date(char *mesg, char *destmbox)
{
        unsigned int t;
        char s[MBOX_NAME_LEN];
        struct tm tl;
        char dbuf[RESPONSE_BUF + 1];

        if (!strchr(destmbox, '@'))
                return;

        substitute_date(destmbox);

        fetch_response(&connpri, 0, 1, NULL);
        t = imap_fetch(&connpri, mesg, "BODY.PEEK[HEADER.FIELDS (DATE)]");

        while (fetch_response(&connpri, t, 0, dbuf) == RESPONSE_NONE);

        if (strptime(dbuf, "Date: %a, %d %b %Y %H:%M:%S", &tl) &&
            strftime(s, MBOX_NAME_LEN - 1, destmbox, &tl))
                xstrncpy(destmbox, s, MBOX_NAME_LEN - 1);
}


/*
 * Format the destination mailbox according to "default variables" specifiers.
 */
void
default_variables(char *mbox, char *destmbox)
{
        char *m, *r, *w, *s;

        if (!strchr(destmbox, '$'))
                return;

        s = xstrdup(destmbox);

        for (r = s, w = destmbox; *r != '\0';) {
                if (w - destmbox >= MBOX_NAME_LEN - 1)
                        break;
                if (*r == '$') {
                        switch (*(r + 1)) {
                        case '_':
                                if (w + strlen(mbox) - destmbox >
                                    MBOX_NAME_LEN - 1) {
                                        r += 2;
                                        break;
                                }
                                for (m = mbox; *m != '\0'; m++, w++)
                                        *w = *m;
                                r += 2;
                                break;
                        case '$':
                                *w++ = '$';
                                r += 2;
                                break;
                        default:
                                *w++ = *r++;
                                break;
                        }
                } else {
                        *w++ = *r++;
                }
        }
        *w = '\0';

        xfree(s);
}
1	#include <stdio.h>
2	#include <stdlib.h>
3	#include <string.h>
4	#include <time.h>
5
6	#include "config.h"
7	#include "imapfilter.h"
8
9
10	extern conn_t connpri, connaux;
11	extern unsigned int options;
12
13
14	int action_delete(char mesgs, char args);
15	int action_copy(char mbox, char mesgs, char destmbox, char args);
16	int action_move(char mbox, char mesgs, char destmbox, char args);
17	int action_rcopy(char mbox, char mesgs, account_t * destacc, char destmbox, char args);
18	int action_rmove(char mbox, char mesgs, account_t * destacc, char destmbox, char args);
19	int action_flag(char mesgs, unsigned int type, unsigned int msgflags, char args);
20	int action_list(char mesgs, char args);
21
22	unsigned int count_messages(char *mesgs);
23	char convert_messages(char mesgs);
24	int substitute_date(char *str);
25	void current_date(char *destmbox);
26	void message_date(char mesg, char destmbox);
27	void default_variables(char mbox, char destmbox);
28
29
30	/*
31	* Apply the appropriate action.
32	*/
33	int
34	apply_action(char mbox, char mesgs, unsigned int type, account_t raccount,
35	char destmbox, unsigned int msgflags, char *args)
36	{
37	unsigned int cnt;
38
39	if (*mesgs == '\0')
40	return 0;
41
42	log_info(LOG_ACTION, type);
43	log_info(LOG_DESTINATION_ACCOUNT, raccount->key);
44	log_info(LOG_DESTINATION_MAILBOX, destmbox);
45
46	cnt = count_messages(mesgs);
47
48	switch (*type) {
49	case FILTER_ACTION_DELETE:
50	info("%d message%s deleted.\n", cnt, plural(cnt));
51	action_delete(mesgs, args);
52	break;
53	case FILTER_ACTION_COPY:
54	info("%d message%s copied from \"%s\" to mailbox \"%s\".\n",
55	cnt, plural(cnt), mbox, destmbox);
56	action_copy(mbox, mesgs, apply_namespace(destmbox,
57	connpri.nsp.prefix, connpri.nsp.delim), args);
58	break;
59	case FILTER_ACTION_MOVE:
60	info("%d message%s moved from \"%s\" to mailbox \"%s\".\n",
61	cnt, plural(cnt), mbox, destmbox);
62	action_move(mbox, mesgs, apply_namespace(destmbox,
63	connpri.nsp.prefix, connpri.nsp.delim), args);
64	break;
65	case FILTER_ACTION_RCOPY:
66	info("%d message%s copied from \"%s\" to mailbox "
67	"\"%s\" at account %s.\n", cnt, plural(cnt),
68	mbox, destmbox, raccount->key);
69	action_rcopy(mbox, mesgs, raccount, destmbox, args);
70	break;
71	case FILTER_ACTION_RMOVE:
72	info("%d message%s moved from \"%s\" to mailbox "
73	"\"%s\" at account %s.\n", cnt, plural(cnt),
74	mbox, destmbox, raccount->key);
75	action_rmove(mbox, mesgs, raccount, destmbox, args);
76	break;
77	case FILTER_ACTION_FLAG_REPLACE:
78	case FILTER_ACTION_FLAG_ADD:
79	case FILTER_ACTION_FLAG_REMOVE:
80	info("%d message%s flagged.\n", cnt, plural(cnt));
81	action_flag(mesgs, type, msgflags, args);
82	break;
83	case FILTER_ACTION_LIST:
84	info("%d message%s listed.\n", cnt, plural(cnt));
85	action_list(mesgs, args);
86	break;
87	}
88
89	if (*args == '\0')
90	log_info(LOG_PREAMBLE, NULL);
91
92	return 0;
93	}
94
95
96	/*
97	* Delete messages and optionally list some of their headers.
98	*/
99	int
100	action_delete(char mesgs, char args)
101	{
102	char tok, m, *mcp;
103
104	action_list(mesgs, args);
105
106	m = mcp = convert_messages(mesgs);
107
108	tok = strtok_r(m, " ", &m);
109	while (tok) {
110	server_response(&connpri, imap_store(&connpri, tok,
111	STORE_FLAG_ADD, "\\Deleted"));
112
113	tok = strtok_r(NULL, " ", &m);
114	}
115
116	if (options & OPTION_EXPUNGE)
117	server_response(&connpri, imap_expunge(&connpri));
118
119	xfree(mcp);
120
121	return 0;
122	}
123
124
125	/*
126	* Copy messages to specified mailbox.
127	*/
128	int
129	action_copy(char mbox, char mesgs, char destmbox, char args)
130	{
131	int r;
132	char tok, mcp, *m;
133	char dm[2][MBOX_NAME_LEN];
134
135	r = 0;
136	tok = NULL;
137
138	action_list(mesgs, args);
139
140	if (strchr(destmbox, '@'))
141	m = mcp = xstrdup(mesgs);
142	else
143	m = mcp = convert_messages(mesgs);
144
145	xstrncpy(dm[0], destmbox, MBOX_NAME_LEN - 1);
146	default_variables(mbox, dm[0]);
147	current_date(dm[0]);
148	tok = strtok_r(m, " ", &m);
149	while (tok != NULL) {
150	xstrncpy(dm[1], dm[0], MBOX_NAME_LEN - 1);
151	message_date(tok, dm[1]);
152
153	if ((r = copy_response(&connpri, imap_copy(&connpri, tok,
154	dm[1]))) == RESPONSE_TRYCREATE)
155	if (!server_response(&connpri, imap_create(&connpri,
156	dm[1]))) {
157	if ((options & OPTION_SUBSCRIBE))
158	server_response(&connpri,
159	imap_subscribe(&connpri, dm[1]));
160	r = copy_response(&connpri,
161	imap_copy(&connpri, tok, dm[1]));
162	}
163	tok = strtok_r(NULL, " ", &m);
164	}
165
166	xfree(mcp);
167
168	return r;
169	}
170
171
172	/*
173	* Move messages to specified mailbox.
174	*/
175	int
176	action_move(char mbox, char mesgs, char destmbox, char args)
177	{
178	if (!action_copy(mbox, mesgs, destmbox, args))
179	action_delete(mesgs, "\0");
180
181	return 0;
182	}
183
184
185	/*
186	* Copy messages to the specified mailbox of another mail server.
187	*/
188	int
189	action_rcopy(char mbox, char mesgs, account_t * destacc, char *destmbox,
190	char *args)
191	{
192	int r, ta, tf;
193	char tok, m, mcp, ndm;
194	unsigned int n;
195	char buf[RESPONSE_BUF * 2 + 1];
196	char dm[3][MBOX_NAME_LEN];
197
198	dm[0] = dm[1] = *dm[2] = '\0';
199
200	if (init_connection(&connaux, destacc->server, destacc->port,
201	destacc->ssl))
202	return ERROR_NETWORK;
203
204	r = greeting_response(&connaux);
205
206	#ifdef DEBUG
207	test(&connaux);
208	#endif
209
210	if (r == RESPONSE_BYE \|\| check_capabilities(&connaux))
211	return ERROR_NETWORK;
212
213	#ifdef SSL_TLS
214	if (destacc->ssl == SSL_DISABLED && connaux.caps & CAPABILITY_STARTTLS)
215	if (negotiate_tls(&connaux) == RESPONSE_OK)
216	check_capabilities(&connaux);
217	#endif
218
219	if (r != RESPONSE_PREAUTH) {
220	if (destacc->passwdattr == PASSWORD_NONE) {
221	printf("Enter password for %s@%s: ", destacc->username,
222	destacc->server);
223	get_password(destacc->password, PASSWORD_LEN);
224	destacc->passwdattr = PASSWORD_PLAIN;
225	}
226	#ifdef CRAM_MD5
227	if (connaux.caps & CAPABILITY_AUTH_CRAM_MD5)
228	r = auth_cram_md5(&connaux, destacc->username,
229	destacc->password);
230	else
231	#endif
232	r = login(&connaux, destacc->username,
233	destacc->password);
234
235	if (r == RESPONSE_NO) {
236	error("username %s or password rejected at %s\n",
237	destacc->username, destacc->server);
238	return ERROR_NETWORK;
239	}
240	}
241	check_namespace(&connaux);
242
243	m = mcp = xstrdup(mesgs);
244
245	xstrncpy(dm[1], destmbox, MBOX_NAME_LEN - 1);
246	current_date(dm[1]);
247
248	tok = strtok_r(m, " ", &m);
249	while (tok != NULL) {
250	xstrncpy(dm[2], dm[1], MBOX_NAME_LEN - 1);
251	message_date(tok, dm[2]);
252
253	/* apply_namespace() returns a pointer to a static buffer. */
254	ndm = apply_namespace(dm[2], connaux.nsp.prefix,
255	connaux.nsp.delim);
256
257	/* Check only if mailbox name is different from last one. */
258	if (strncmp(dm[0], dm[2], strlen(dm[2]))) {
259	r = check_mailbox(&connaux, ndm);
260	if (r == RESPONSE_NO) {
261	server_response(&connaux,
262	imap_create(&connaux, ndm));
263	if ((options & OPTION_SUBSCRIBE))
264	server_response(&connaux,
265	imap_subscribe(&connaux, ndm));
266	}
267	}
268	xstrncpy(dm[0], dm[2], MBOX_NAME_LEN - 1);
269
270	fetchsize_response(&connpri, &n,
271	imap_fetch(&connpri, tok, "RFC822.SIZE"));
272
273	ta = imap_append(&connaux, ndm, n);
274
275	fetch_response(&connpri, 0, 1, NULL);
276	tf = imap_fetch(&connpri, tok, "RFC822.HEADER");
277	do {
278	r = fetch_response(&connpri, tf, 0, buf);
279	socket_write(&connaux, buf);
280	} while (r == RESPONSE_NONE);
281
282	socket_write(&connaux, "\r\n");
283
284	fetch_response(&connpri, 0, 1, NULL);
285	tf = imap_fetch(&connpri, tok, "BODY[TEXT]");
286	do {
287	r = fetch_response(&connpri, tf, 0, buf);
288	if (r != RESPONSE_NULLBODY)
289	socket_write(&connaux, buf);
290	} while (r == RESPONSE_NONE);
291
292	if (r != RESPONSE_NULLBODY)
293	socket_write(&connaux, "\r\n\r\n");
294	else
295	socket_write(&connaux, "\r\n");
296
297	append_response(&connaux, ta);
298
299	tok = strtok_r(NULL, " ", &m);
300	}
301
302	logout(&connaux);
303
304	action_list(mesgs, args);
305
306	xfree(mcp);
307
308	return 0;
309	}
310
311
312	/*
313	* Move messages to the specified mailbox of another mail server.
314	*/
315	int
316	action_rmove(char mbox, char mesgs, account_t * destacc, char *destmbox,
317	char *args)
318	{
319	if (!action_rcopy(mbox, mesgs, destacc, destmbox, args))
320	action_delete(mesgs, "\0");
321
322	return 0;
323	}
324
325
326	/*
327	* Flag messages by replacing, adding or removing specified flags.
328	*/
329	int
330	action_flag(char mesgs, unsigned int type, unsigned int *msgflags,
331	char *args)
332	{
333	unsigned int t;
334	char s[STORE_FLAGS_BUF];
335	char tok, m, *mcp;
336
337	*s = 0;
338
339	switch (*type) {
340	case FILTER_ACTION_FLAG_ADD:
341	t = STORE_FLAG_ADD;
342	break;
343	case FILTER_ACTION_FLAG_REMOVE:
344	t = STORE_FLAG_REMOVE;
345	break;
346	default:
347	t = STORE_FLAG_REPLACE;
348	}
349
350	if ((*msgflags != MESSAGE_FLAG_NONE)) {
351	if ((*msgflags & MESSAGE_FLAG_SEEN))
352	strncat(s, "\\Seen ", STORE_FLAGS_BUF - strlen(s) - 1);
353	if ((*msgflags & MESSAGE_FLAG_ANSWERED))
354	strncat(s, "\\Answered ",
355	STORE_FLAGS_BUF - strlen(s) - 1);
356	if ((*msgflags & MESSAGE_FLAG_FLAGGED))
357	strncat(s, "\\Flagged ",
358	STORE_FLAGS_BUF - strlen(s) - 1);
359	if ((*msgflags & MESSAGE_FLAG_DELETED))
360	strncat(s, "\\Deleted ",
361	STORE_FLAGS_BUF - strlen(s) - 1);
362	if ((*msgflags & MESSAGE_FLAG_DRAFT))
363	strncat(s, "\\Draft", STORE_FLAGS_BUF - strlen(s) - 1);
364	if ((s[strlen(s) - 1] == ' '))
365	s[strlen(s) - 1] = 0;
366	}
367	action_list(mesgs, args);
368
369	m = mcp = convert_messages(mesgs);
370
371	tok = strtok_r(m, " ", &m);
372	while (tok != NULL) {
373	server_response(&connpri, imap_store(&connpri, tok, t, s));
374
375	tok = strtok_r(NULL, " ", &m);
376	}
377
378	if (options & OPTION_EXPUNGE)
379	server_response(&connpri, imap_expunge(&connpri));
380
381	xfree(mcp);
382
383	return 0;
384	}
385
386	/*
387	* List user selected headers of messages.
388	*/
389	int
390	action_list(char mesgs, char args)
391	{
392	int r, t;
393	char tok, mcp, *m;
394	char s[ARGS_LEN + 27];
395	char hdrs[RESPONSE_BUF * 2 + 1];
396
397	if (*args == '\0')
398	return 0;
399
400	m = mcp = xstrdup(mesgs);
401
402	snprintf(s, ARGS_LEN + 27 - 1, "BODY.PEEK[HEADER.FIELDS (%s)]", args);
403
404	tok = strtok_r(m, " ", &m);
405	while (tok != NULL) {
406	/* Reset internal fetch counter. */
407	fetch_response(&connpri, 0, 1, NULL);
408	t = imap_fetch(&connpri, tok, s);
409
410	log_info(LOG_PREAMBLE, NULL);
411	do {
412	r = fetch_response(&connpri, t, 0, hdrs);
413
414	if (*hdrs != '\0') {
415	if (options & OPTION_HEADERS)
416	info("%s\n", hdrs);
417	log_info(LOG_HEADER, hdrs);
418	}
419	} while (r == RESPONSE_NONE);
420
421	tok = strtok_r(NULL, " ", &m);
422	}
423
424	xfree(mcp);
425
426	return 0;
427	}
428
429
430	/*
431	* Count how many messages matched the filter.
432	*/
433	unsigned int
434	count_messages(char *mesgs)
435	{
436	unsigned int cnt;
437	char *c;
438
439	cnt = 0;
440	c = mesgs;
441
442	while ((c = strchr(c, ' '))) {
443	cnt++;
444	c++;
445	}
446
447	return ++cnt;
448	}
449
450
451	/*
452	* Convert messages with contiguous sequence number to the corresponding
453	* number range, eg. 1 2 3 5 7 8 --> 1:3 5 7:8 and return a newly allocated
454	* buffer with the results.
455	*/
456	char *
457	convert_messages(char *mesgs)
458	{
459	int maxlen;
460	unsigned int start, end, tmp;
461	char c, cp, *tail;
462
463	start = end = tmp = 0;
464	maxlen = strlen(mesgs) + 1;
465	tail = NULL;
466
467	c = cp = xstrdup(mesgs);
468
469	start = (unsigned int)strtoul(mesgs, &tail, 10);
470	end = start;
471
472	do {
473	if (tail != NULL) {
474	tmp = (unsigned int)strtoul(tail, &tail, 10);
475	if (tmp == 0)
476	tail = NULL;
477	}
478	if (tmp == end + 1)
479	end++;
480	else {
481	if (start == end) {
482	xstrncpy(c, ultostr(start, 10), maxlen);
483	c += strlen(c);
484	} else {
485	xstrncpy(c, ultostr(start, 10), maxlen - 1);
486	c += strlen(c);
487	*c = ':';
488	*++c = 0;
489	xstrncpy(c, ultostr(end, 10), maxlen);
490	c += strlen(c);
491	}
492
493	if (tail != NULL && c - cp < maxlen) {
494	*c = ' ';
495	*++c = 0;
496	}
497	start = end = tmp;
498	}
499	} while (tmp != 0);
500
501	return cp;
502	}
503
504
505	/*
506	* Substitute all occurences of the '@' character with the '%' character,
507	* and any double '@' characters with a signle '@' character, returning the
508	* number of replacements.
509	*/
510	int
511	substitute_date(char *str)
512	{
513	int n;
514	char r, w, *s;
515
516	n = 0;
517
518	s = xstrdup(str);
519
520	for (r = s, w = str; *r != '\0'; r++, w++) {
521	if (*r == '%') {
522	*w++ = '%';
523	*w = '%';
524	} else if (*r == '@') {
525	if (*(r + 1) == '@') {
526	w = r++;
527	} else {
528	*w = '%';
529	n++;
530	}
531	} else {
532	w = r;
533	}
534	}
535	*w = '\0';
536
537	xfree(s);
538
539	return n;
540	}
541
542
543	/*
544	* Format the destination mailbox according to the current date conversion
545	* specifiers.
546	*/
547	void
548	current_date(char *destmbox)
549	{
550	char s[MBOX_NAME_LEN];
551	time_t te;
552	struct tm *tl;
553
554	if (!strchr(destmbox, '%'))
555	return;
556
557	te = time(NULL);
558	tl = localtime(&te);
559
560	if (strftime(s, MBOX_NAME_LEN - 1, destmbox, tl))
561	xstrncpy(destmbox, s, MBOX_NAME_LEN - 1);
562	}
563
564
565	/*
566	* Format the destination mailbox according to the message date conversion
567	* specifiers.
568	*/
569	void
570	message_date(char mesg, char destmbox)
571	{
572	unsigned int t;
573	char s[MBOX_NAME_LEN];
574	struct tm tl;
575	char dbuf[RESPONSE_BUF + 1];
576
577	if (!strchr(destmbox, '@'))
578	return;
579
580	substitute_date(destmbox);
581
582	fetch_response(&connpri, 0, 1, NULL);
583	t = imap_fetch(&connpri, mesg, "BODY.PEEK[HEADER.FIELDS (DATE)]");
584
585	while (fetch_response(&connpri, t, 0, dbuf) == RESPONSE_NONE);
586
587	if (strptime(dbuf, "Date: %a, %d %b %Y %H:%M:%S", &tl) &&
588	strftime(s, MBOX_NAME_LEN - 1, destmbox, &tl))
589	xstrncpy(destmbox, s, MBOX_NAME_LEN - 1);
590	}
591
592
593	/*
594	* Format the destination mailbox according to "default variables" specifiers.
595	*/
596	void
597	default_variables(char mbox, char destmbox)
598	{
599	char m, r, w, s;
600
601	if (!strchr(destmbox, '$'))
602	return;
603
604	s = xstrdup(destmbox);
605
606	for (r = s, w = destmbox; *r != '\0';) {
607	if (w - destmbox >= MBOX_NAME_LEN - 1)
608	break;
609	if (*r == '$') {
610	switch (*(r + 1)) {
611	case '_':
612	if (w + strlen(mbox) - destmbox >
613	MBOX_NAME_LEN - 1) {
614	r += 2;
615	break;
616	}
617	for (m = mbox; *m != '\0'; m++, w++)
618	w = m;
619	r += 2;
620	break;
621	case '$':
622	*w++ = '$';
623	r += 2;
624	break;
625	default:
626	w++ = r++;
627	break;
628	}
629	} else {
630	w++ = r++;
631	}
632	}
633	*w = '\0';
634
635	xfree(s);
636	}