void NPrint(NLogCb LogCb,const char* LEVEL, const char* funcName,
const char* fileName, int line, const char* format, ...){
#define buf_rest(buf, p) (buf+NLOG_BUF_LEN-p-1)
u_char logbuf[NLOG_BUF_LEN];
memset(logbuf, 0, NLOG_BUF_LEN);
u_char* p = logbuf;
//不显示日志时间。
time_t timep;
struct tm *ptm, mytm;
timep = ngx_time();
ptm = localtime_r(&timep, &mytm);
p = ngx_snprintf(p, buf_rest(logbuf, p), NLOG_TF "%s:%s[%s:%d] ",
1+ptm->tm_mon, ptm->tm_mday,
ptm->tm_hour, ptm->tm_min, ptm->tm_sec,
LEVEL, funcName, fileName, line);
va_list args;
va_start(args,format);
p = ngx_vslprintf(p , logbuf+NLOG_BUF_LEN-2, format, args);
va_end(args);
if(buf_rest(logbuf, p) > 0){
p = ngx_snprintf(p, buf_rest(logbuf, p), "\n");
}
logbuf[NLOG_BUF_LEN-1] = 0;
if(LogCb == NULL){
fprintf(stderr, "%.*s", (int)(p-logbuf), logbuf);
}else{
LogCb((const char*)logbuf, p-logbuf);
}
}
int v2body(BUFFER *body)
{
int i, n;
BUFFER *to, *newsgroups;
BUFFER *temp, *out;
BUFFER *line;
int type = MSG_MAIL;
int subject = 0;
line = buf_new();
to = buf_new();
newsgroups = buf_new();
temp = buf_new();
out = buf_new();
n = buf_getc(body);
for (i = 0; i < n; i++) {
buf_get(body, line, 80);
buf_chop(line);
if (bufileft(line, "null:"))
goto end;
if (bufileft(line, "post:")) {
type = MSG_POST;
if (line->length > 5) {
int j = 5;
while (j < line->length && isspace(line->data[j]))
j++;
if (newsgroups->length > 0)
buf_appends(newsgroups, ",");
buf_append(newsgroups, line->data + j, line->length - j);
}
} else {
if (to->length > 0)
buf_appends(to, ",");
buf_cat(to, line);
}
}
if (to->length > 0) {
buf_appends(out, "To: ");
buf_cat(out, to);
buf_nl(out);
}
if (newsgroups->length > 0) {
buf_appends(out, "Newsgroups: ");
buf_cat(out, newsgroups);
buf_nl(out);
}
n = buf_getc(body);
for (i = 0; i < n; i++) {
buf_get(body, line, 80);
buf_chop(line);
if (bufileft(line, "Subject:"))
subject = 1;
buf_cat(out, line);
buf_nl(out);
}
buf_rest(temp, body);
buf_uncompress(temp);
buf_set(body, temp);
buf_reset(temp);
if (buf_lookahead(body, line) == 0 && isline(line, HASHMARK)) {
buf_getline(body, line);
while (buf_getline(body, line) == 0) {
if (bufileft(line, "subject:"))
subject = 1;
buf_cat(out, line);
buf_nl(out);
}
}
if (type == MSG_POST && !subject)
buf_appends(out, "Subject: (no subject)\n");
buf_nl(out);
buf_rest(out, body);
buf_reset(body);
mix_pool(out, type, -1);
end:
buf_free(line);
buf_free(to);
buf_free(newsgroups);
buf_free(temp);
buf_free(out);
return (0);
}
int t1_encrypt(int type, BUFFER *message, char *chainstr, int latency,
BUFFER *ek, BUFFER *feedback)
{
BUFFER *b, *rem, *dest, *line, *field, *content;
REMAILER remailer[MAXREM];
int badchains[MAXREM][MAXREM];
int maxrem, chainlen = 0;
int chain[20];
int hop;
int hashmark = 0;
int err = 0;
b = buf_new();
rem = buf_new();
dest = buf_new();
line = buf_new();
field = buf_new();
content = buf_new();
maxrem = t1_rlist(remailer, badchains);
if (maxrem < 1) {
clienterr(feedback, "No remailer list!");
err = -1;
goto end;
}
chainlen = chain_select(chain, chainstr, maxrem, remailer, 1, line);
if (chainlen < 1) {
if (line->length)
clienterr(feedback, line->data);
else
clienterr(feedback, "Invalid remailer chain!");
err = -1;
goto end;
}
if (chain[0] == 0)
chain[0] = chain_randfinal(type, remailer, badchains, maxrem, 1, chain, chainlen, 0);
if (chain[0] == -1) {
clienterr(feedback, "Invalid remailer chain!");
err = -1;
goto end;
}
if (chain_rand(remailer, badchains, maxrem, chain, chainlen, 1, 0) == -1) {
clienterr(feedback, "No reliable remailers!");
err = -1;
goto end;
}
while (buf_getheader(message, field, content) == 0) {
hdr_encode(content, 0);
if (type == MSG_POST && bufieq(field, "newsgroups") &&
remailer[chain[0]].flags.post) {
buf_appendf(dest, "Anon-Post-To: %b\n", content);
} else if (type == MSG_MAIL && bufieq(field, "to")) {
buf_appendf(dest, "Anon-To: %b\n", content);
} else {
/* paste header */
if (type == MSG_POST && bufieq(field, "newsgroups"))
buf_appendf(dest, "Anon-To: %s\n", MAILtoNEWS);
if (hashmark == 0) {
buf_appends(b, "##\n");
hashmark = 1;
}
buf_appendheader(b, field, content);
}
}
buf_nl(b);
buf_rest(b, message);
buf_move(message, b);
if (type != MSG_NULL && dest->length == 0) {
clienterr(feedback, "No destination address!");
err = -1;
goto end;
}
if (type == MSG_NULL) {
buf_sets(dest, "Null:\n");
}
for (hop = 0; hop < chainlen; hop++) {
if (hop == 0) {
buf_sets(b, "::\n");
buf_cat(b, dest);
} else {
buf_sets(b, "::\nAnon-To: ");
buf_appends(b, remailer[chain[hop - 1]].addr);
buf_nl(b);
}
if (remailer[chain[hop]].flags.latent && latency > 0)
buf_appendf(b, "Latent-Time: +%d:00r\n", latency);
if (ek && remailer[chain[hop]].flags.ek) {
t1_ek(line, ek, hop);
buf_appendf(b, "Encrypt-Key: %b\n", line);
}
buf_nl(b);
buf_cat(b, message);
#ifdef USE_PGP
if (remailer[chain[hop]].flags.pgp) {
buf_clear(message);
buf_clear(rem);
buf_setf(rem, "<%s>", remailer[chain[hop]].addr);
err = pgp_encrypt(PGP_ENCRYPT | PGP_REMAIL | PGP_TEXT, b, rem,
NULL, NULL, NULL, NULL);
if (err < 0) {
buf_setf(line, "No PGP key for remailer %s!\n",
remailer[chain[hop]].name);
clienterr(feedback, line->data);
goto end;
}
buf_appends(message, "::\nEncrypted: PGP\n\n");
buf_cat(message, b);
} else
#endif /* USE_PGP */
{
if (remailer[chain[hop]].flags.pgponly) {
buf_setf(line, "PGP encryption needed for remailer %s!\n",
remailer[chain[hop]].name);
clienterr(feedback, line->data);
goto end;
}
buf_move(message, b);
}
if (ek && remailer[chain[hop]].flags.ek)
buf_appends(message, "\n**\n");
}
buf_clear(b);
if (chainlen == 0) {
buf_appends(b, "::\n");
buf_cat(b, dest);
} else {
buf_appendf(b, "%s: %s\n", ek ? "::\nAnon-To" : "To",
remailer[chain[chainlen - 1]].addr);
}
buf_nl(b);
buf_cat(b, message);
buf_move(message, b);
end:
buf_free(b);
buf_free(rem);
buf_free(dest);
buf_free(line);
buf_free(field);
buf_free(content);
return (err);
}
