imapfilter/imapfilter/imapfilter.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
#include <errno.h>

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


extern account_t *accounts;
extern filter_t *filters;

unsigned int options;           /* Program options. */
unsigned int capabilities;      /* Capabilities of mail server. */
char logfile[PATH_MAX];         /* Log file. */
char *home = NULL;              /* User's home directory. */
uid_t ruid, euid;               /* Real and effective UID. */


/*
 * In the beginning there was main()...
 */
int main(int argc, char *argv[])
{
    int c, r;
    char *confile = NULL;       /* Configuration file. */
    account_t *ca;              /* Current account. */
    mbox_t *cm;                 /* Current mailbox. */
    
    ruid = getuid();
    euid = geteuid();
    seteuid(ruid);              /* Drop root privileges. */
    
    corefile_disable();
    
    options = (OPTION_DETAILS_NORMAL | OPTION_NAMESPACE);
    *logfile = 0;
    home = getenv("HOME");
    
#ifndef ENCRYPTED_PASSWORDS
    while ((c = getopt(argc, argv, "c:hl:qv")) != -1) {
#else
    while ((c = getopt(argc, argv, "c:hl:pqv")) != -1) {
#endif
        switch (c) {
        case 'c':
            confile = optarg;
            break;
        case 'h':
            usage();
            exit(ERROR_UNDEFINED);
            break;
        case 'l':
            strncat(logfile, optarg, PATH_MAX - 1);
            break;
#ifdef ENCRYPTED_PASSWORDS
        case 'p':
            options |= OPTION_PASSWORD_EDITOR;
            break;
#endif
        case 'q':
            options &= OPTION_DETAILS_CLEAR;
            options |= OPTION_DETAILS_QUIET;
            break;
        case 'v':
            options &= OPTION_DETAILS_CLEAR;
            options |= OPTION_DETAILS_VERBOSE;
            break;
        default:
            usage();
            exit(ERROR_UNDEFINED);
            break;
        }
    }

    tty_store();
    catch_signals();

    create_homedir();

    read_config(confile);
    open_logfile();

#ifdef ENCRYPTED_PASSWORDS
    read_passwords();
    
    if ((options & OPTION_PASSWORD_EDITOR))
        password_editor();
#endif
    
    setuid(ruid);               /* Capability to regain root privileges
                                   will not be needed any more. */
    

    for (ca = accounts; ca; ca = ca->next) {

#ifndef SSL_TLS
        if (init_connection(ca->server, ca->port))
#else
        if (init_connection(ca->server, ca->port, ca->ssl))
#endif
            continue;

        r = greeting_response();

        if (r == RESPONSE_BYE || check_capabilities())
            continue;

#ifdef DEBUG
        test();
#endif

        if (r != RESPONSE_PREAUTH) {
            if (ca->passwdattr == PASSWORD_NONE) {
                printf("Enter password for %s@%s: ", ca->username, ca->server);
                get_password(ca->password, PASSWORD_LEN);
            }
            if (login(ca->username, ca->password))
                continue;
        }
        check_namespace();

        for (cm = ca->mboxes; cm; cm = cm->next)
            if (!*cm->filters)
                mailbox_status(cm->name);
            else if (!select_mailbox(cm->name)) {
                apply_filters(cm->filters);
                close_mailbox();
            }
        logout();

        close_connection();
    }

    secmem_clear();
    close_logfile();

    exit(0);
}


/*
 * Print a very brief usage message.
 */
void usage(void)
{
    fprintf(stderr,
            "usage: imapfilter [-h"
#ifdef ENCRYPTED_PASSWORDS
            "p"
#endif      
            "qv] [-c configfile] [-l logfile]\n");
}
1	#include <stdio.h>
2	#include <stdlib.h>
3	#include <unistd.h>
4	#include <string.h>
5	#include <limits.h>
6	#include <errno.h>
7
8	#include "config.h"
9	#include "imapfilter.h"
10	#include "data.h"
11
12
13	extern account_t *accounts;
14	extern filter_t *filters;
15
16	unsigned int options; /* Program options. */
17	unsigned int capabilities; /* Capabilities of mail server. */
18	char logfile[PATH_MAX]; /* Log file. */
19	char home = NULL; / User's home directory. */
20	uid_t ruid, euid; /* Real and effective UID. */
21
22
23	/*
24	* In the beginning there was main()...
25	*/
26	int main(int argc, char *argv[])
27	{
28	int c, r;
29	char confile = NULL; / Configuration file. */
30	account_t ca; / Current account. */
31	mbox_t cm; / Current mailbox. */
32
33	ruid = getuid();
34	euid = geteuid();
35	seteuid(ruid); /* Drop root privileges. */
36
37	corefile_disable();
38
39	options = (OPTION_DETAILS_NORMAL \| OPTION_NAMESPACE);
40	*logfile = 0;
41	home = getenv("HOME");
42
43	#ifndef ENCRYPTED_PASSWORDS
44	while ((c = getopt(argc, argv, "c:hl:qv")) != -1) {
45	#else
46	while ((c = getopt(argc, argv, "c:hl:pqv")) != -1) {
47	#endif
48	switch (c) {
49	case 'c':
50	confile = optarg;
51	break;
52	case 'h':
53	usage();
54	exit(ERROR_UNDEFINED);
55	break;
56	case 'l':
57	strncat(logfile, optarg, PATH_MAX - 1);
58	break;
59	#ifdef ENCRYPTED_PASSWORDS
60	case 'p':
61	options \|= OPTION_PASSWORD_EDITOR;
62	break;
63	#endif
64	case 'q':
65	options &= OPTION_DETAILS_CLEAR;
66	options \|= OPTION_DETAILS_QUIET;
67	break;
68	case 'v':
69	options &= OPTION_DETAILS_CLEAR;
70	options \|= OPTION_DETAILS_VERBOSE;
71	break;
72	default:
73	usage();
74	exit(ERROR_UNDEFINED);
75	break;
76	}
77	}
78
79	tty_store();
80	catch_signals();
81
82	create_homedir();
83
84	read_config(confile);
85	open_logfile();
86
87	#ifdef ENCRYPTED_PASSWORDS
88	read_passwords();
89
90	if ((options & OPTION_PASSWORD_EDITOR))
91	password_editor();
92	#endif
93
94	setuid(ruid); /* Capability to regain root privileges
95	will not be needed any more. */
96
97
98	for (ca = accounts; ca; ca = ca->next) {
99
100	#ifndef SSL_TLS
101	if (init_connection(ca->server, ca->port))
102	#else
103	if (init_connection(ca->server, ca->port, ca->ssl))
104	#endif
105	continue;
106
107	r = greeting_response();
108
109	if (r == RESPONSE_BYE \|\| check_capabilities())
110	continue;
111
112	#ifdef DEBUG
113	test();
114	#endif
115
116	if (r != RESPONSE_PREAUTH) {
117	if (ca->passwdattr == PASSWORD_NONE) {
118	printf("Enter password for %s@%s: ", ca->username, ca->server);
119	get_password(ca->password, PASSWORD_LEN);
120	}
121	if (login(ca->username, ca->password))
122	continue;
123	}
124	check_namespace();
125
126	for (cm = ca->mboxes; cm; cm = cm->next)
127	if (!*cm->filters)
128	mailbox_status(cm->name);
129	else if (!select_mailbox(cm->name)) {
130	apply_filters(cm->filters);
131	close_mailbox();
132	}
133	logout();
134
135	close_connection();
136	}
137
138	secmem_clear();
139	close_logfile();
140
141	exit(0);
142	}
143
144
145	/*
146	* Print a very brief usage message.
147	*/
148	void usage(void)
149	{
150	fprintf(stderr,
151	"usage: imapfilter [-h"
152	#ifdef ENCRYPTED_PASSWORDS
153	"p"
154	#endif
155	"qv] [-c configfile] [-l logfile]\n");
156	}