187 lines
2.8 KiB
C
187 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <sys/stat.h>
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#include <locale.h>
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#include "imapfilter.h"
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#include "session.h"
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#include "list.h"
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#include "version.h"
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#include "buffer.h"
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#include "pathnames.h"
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#include "regexp.h"
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#ifndef NO_SSLTLS
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#include <openssl/ssl.h>
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#include <openssl/err.h>
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#endif
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extern buffer ibuf, obuf, nbuf;
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extern regexp responses[];
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options opts; /* Program options. */
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environment env; /* Environment variables. */
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list *sessions = NULL; /* Active IMAP sessions. */
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void usage(void);
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void version(void);
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/*
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* IMAPFilter: an IMAP mail filtering utility.
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*/
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int
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main(int argc, char *argv[])
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{
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int c;
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setlocale(LC_CTYPE, "");
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opts.debug = 0;
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opts.verbose = 0;
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opts.interactive = 0;
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opts.log = NULL;
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opts.config = NULL;
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opts.oneline = NULL;
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env.home = getenv("HOME");
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env.pathmax = -1;
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while ((c = getopt(argc, argv, "Vc:de:il:v?")) != -1) {
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switch (c) {
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case 'V':
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version();
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/* NOTREACHED */
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break;
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case 'c':
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opts.config = optarg;
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break;
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case 'd':
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if (opts.debug < 2)
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opts.debug++;
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break;
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case 'e':
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opts.oneline = optarg;
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break;
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case 'i':
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opts.interactive = 1;
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break;
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case 'l':
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opts.log = optarg;
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break;
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case 'v':
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opts.verbose = 1;
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break;
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case '?':
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default:
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usage();
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/* NOTREACHED */
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break;
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}
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}
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get_pathmax();
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open_debug();
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create_homedir();
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catch_signals();
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open_log();
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buffer_init(&ibuf, INPUT_BUF);
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buffer_init(&obuf, OUTPUT_BUF);
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buffer_init(&nbuf, NAMESPACE_BUF);
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if (opts.config == NULL) {
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int n;
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char b;
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n = snprintf(&b, 1, "%s/%s", env.home, PATHNAME_CONFIG);
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if (env.pathmax != -1 && n > env.pathmax)
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fatal(ERROR_PATHNAME,
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"pathname limit %ld exceeded: %d\n", env.pathmax,
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n);
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opts.config = (char *)xmalloc((n + 1) * sizeof(char));
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snprintf(opts.config, n + 1, "%s/%s", env.home,
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PATHNAME_CONFIG);
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}
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regexp_compile(responses);
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#ifndef NO_SSLTLS
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SSL_library_init();
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SSL_load_error_strings();
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#endif
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start_lua();
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{
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list *l;
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session *s;
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l = sessions;
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while (l != NULL) {
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s = l->data;
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l = l->next;
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response_generic(s, imap_logout(s));
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close_connection(s);
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session_destroy(s);
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}
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}
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stop_lua();
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#ifndef NO_SSLTLS
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ERR_free_strings();
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#endif
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regexp_free(responses);
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buffer_free(&ibuf);
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buffer_free(&obuf);
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buffer_free(&nbuf);
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close_log();
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close_debug();
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exit(0);
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}
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/*
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* Print a very brief usage message.
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*/
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void
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usage(void)
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{
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fprintf(stderr, "usage: imapfilter [-Vdiv] [-c configfile] "
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"[-e 'command'] [-l logfile]\n");
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exit(0);
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}
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/*
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* Print program's version and copyright.
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*/
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void
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version(void)
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{
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fprintf(stderr, "IMAPFilter %s %s\n", VERSION, COPYRIGHT);
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exit(0);
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}
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