/* You must call this with args of 0,0 */
static long
oneRetValue(void *pre_x, ...)
{
char coltype = rv_type[0];
char c;
long n;
double f;
void **x = (void **)((char *)&pre_x + 4);
va_end(sqlargs);
if(rv_numRets != 1)
errorPrint("2SQL statement has %d return values, 1 value expected",
rv_numRets);
if(!strchr("MNFDICS", coltype))
errorPrint
("2SQL statement returns a value whose type is not compatible with a 4-byte integer");
va_start(sqlargs, pre_x);
/* I'm not sure float to int really works. */
if(coltype == 'F') {
*x = &f;
retsFromOdbc();
n = f;
} else if(coltype == 'S') {
*x = retstring[0];
retsFromOdbc();
if(!stringIsNum(retstring[0]))
errorPrint
("2SQL statement returns a string %s that cannot be converted into a 4-byte integer",
retstring[0]);
n = atoi(retstring[0]);
} else if(coltype == 'C') {
*x = &c;
retsFromOdbc();
n = c;
} else {
*x = &n;
retsFromOdbc();
}
SQLFreeHandle(SQL_HANDLE_STMT, hstmt);
return n;
} /* oneRetValue */
static void unreadStats(void)
{
const char *f;
int n;
unreadMax = 0;
unreadMin = 0;
unreadCount = 0;
while (f = nextScanFile(mailUnread)) {
if (!stringIsNum(f))
continue;
n = atoi(f);
if (n > unreadMax)
unreadMax = n;
if (n > unreadBase) {
if (!unreadMin || n < unreadMin)
unreadMin = n;
++unreadCount;
}
}
} /* unreadStats */
static bool
sendMailSMTP(const struct MACCOUNT *account, const char *reply,
const char **recipients, const char *message)
{
CURLcode res = CURLE_OK;
bool smtp_success = false;
char *smtp_url = buildSMTPURL(account);
struct curl_slist *recipient_slist = buildRecipientSList(recipients);
struct smtp_upload upload = {
.data = message,.length = strlen(message),.pos = 0
};
CURL *handle =
newSendmailHandle(account, smtp_url, reply, recipient_slist);
if (!handle)
goto smtp_cleanup;
curl_easy_setopt(handle, CURLOPT_READFUNCTION, smtp_upload_callback);
curl_easy_setopt(handle, CURLOPT_READDATA, &upload);
curl_easy_setopt(handle, CURLOPT_UPLOAD, 1L);
res = curl_easy_perform(handle);
if (res == CURLE_OK)
smtp_success = true;
smtp_cleanup:
if (res != CURLE_OK)
ebcurl_setError(res, smtp_url);
if (handle)
curl_easy_cleanup(handle);
curl_slist_free_all(recipient_slist);
nzFree(smtp_url);
return smtp_success;
} /* sendMailSMTP */
/* Send mail to the smtp server. */
bool
sendMail(int account, const char **recipients, const char *body,
int subjat, const char **attachments, const char *refline,
int nalt, bool dosig)
{
char *from, *fromiso, *reply, *login, *smlogin, *pass;
const struct MACCOUNT *a, *ao, *localMail;
const char *s, *boundary;
char reccc[MAXRECAT];
char *t;
int nat, cx, i, j;
char *out = 0;
bool sendmail_success = false;
bool mustmime = false;
bool firstgreet = true;
bool firstrec;
const char *ct, *ce;
char *encoded = 0;
if (!validAccount(account))
return false;
mailAccount = account;
localMail = accounts + localAccount - 1;
a = accounts + account - 1;
from = a->from;
reply = a->reply;
ao = a->outssl ? a : localMail;
doSignature = dosig;
nat = 0; /* number of attachments */
if (attachments) {
while (attachments[nat])
++nat;
}
if (nat)
mustmime = true;
if (nalt && nalt < nat) {
setError(MSG_AttAlternate);
return false;
}
if (!loadAddressBook())
return false;
/* set copy flags */
for (j = 0; s = recipients[j]; ++j) {
char cc = 0;
if (*s == '^' || *s == '?')
cc = *s++;
if (j == MAXRECAT) {
setError(MSG_RecipMany, MAXRECAT);
return false;
}
recipients[j] = s;
reccc[j] = cc;
}
/* Look up aliases in the address book */
for (j = 0; s = recipients[j]; ++j) {
if (strchr(s, '@'))
continue;
t = 0;
for (i = 0; i < nads; ++i) {
const char *a = addressList[i].name;
if (*a == '-' || *a == '!')
++a;
if (!stringEqual(s, a))
continue;
t = addressList[i].email;
debugPrint(3, " %s becomes %s", s, t);
break;
}
if (t) {
recipients[j] = t;
continue;
}
if (!addressFile) {
setError(MSG_ABMissing);
return false;
}
setError(MSG_ABNoAlias2, s);
return false;
} /* recipients */
if (!j) {
setError(MSG_RecipNone);
return false;
}
/* verify attachments are readable */
for (j = 0; s = attachments[j]; ++j) {
if (!ismc && (cx = stringIsNum(s)) >= 0) {
if (!cxCompare(cx) || !cxActive(cx))
return false;
if (!sessionList[cx].lw->dol) {
setError(MSG_AttSessionEmpty, cx);
return false;
}
} else {
char ftype = fileTypeByName(s, false);
if (!ftype) {
setError(MSG_AttAccess, s);
return false;
}
if (ftype != 'f') {
setError(MSG_AttRegular, s);
return false;
}
if (!fileSizeByName(s)) {
setError(MSG_AttEmpty2, s);
return false;
}
}
} /* loop over attachments */
if (!encodeAttachment(body, subjat, false, &ct, &ce, &encoded))
return false;
if (ce[0] == 'q')
mustmime = true;
boundary = makeBoundary();
/* Build the outgoing mail, as one string. */
out = initString(&j);
firstrec = true;
for (i = 0; s = recipients[i]; ++i) {
if (reccc[i])
continue;
stringAndString(&out, &j, firstrec ? "To:" : ",\r\n ");
stringAndString(&out, &j, s);
firstrec = false;
}
if (!firstrec)
stringAndString(&out, &j, eol);
firstrec = true;
for (i = 0; s = recipients[i]; ++i) {
if (reccc[i] != '^')
continue;
stringAndString(&out, &j, firstrec ? "CC:" : ",\r\n ");
stringAndString(&out, &j, s);
firstrec = false;
}
if (!firstrec)
stringAndString(&out, &j, eol);
firstrec = true;
for (i = 0; s = recipients[i]; ++i) {
if (reccc[i] != '?')
continue;
stringAndString(&out, &j, firstrec ? "BCC:" : ",\r\n ");
stringAndString(&out, &j, s);
firstrec = false;
}
if (!firstrec)
stringAndString(&out, &j, eol);
fromiso = isoEncode(from, from + strlen(from));
if (!fromiso)
fromiso = from;
sprintf(serverLine, "From: %s <%s>%s", fromiso, reply, eol);
stringAndString(&out, &j, serverLine);
sprintf(serverLine, "Reply-to: %s <%s>%s", fromiso, reply, eol);
stringAndString(&out, &j, serverLine);
if (fromiso != from)
nzFree(fromiso);
if (refline) {
s = strchr(refline, '\n');
if (!s) /* should never happen */
s = refline + strlen(refline);
stringAndBytes(&out, &j, refline, s - refline);
stringAndString(&out, &j, eol);
}
sprintf(serverLine, "User-Agent: %s%s", currentAgent, eol);
stringAndString(&out, &j, serverLine);
if (subjectLine[0]) {
sprintf(serverLine, "Subject: %s%s", subjectLine, eol);
stringAndString(&out, &j, serverLine);
}
sprintf(serverLine,
"Date: %s%sMessage-ID: <%s.%s>%sMime-Version: 1.0%s",
mailTimeString(), eol, messageTimeID(), reply, eol, eol);
stringAndString(&out, &j, serverLine);
if (!mustmime) {
/* no mime components required, we can just send the mail. */
sprintf(serverLine,
"Content-Type: %s%s%sContent-Transfer-Encoding: %s%s%s",
ct, charsetString(ct, ce), eol, ce, eol, eol);
stringAndString(&out, &j, serverLine);
} else {
sprintf(serverLine,
"Content-Type: multipart/%s; boundary=%s%sContent-Transfer-Encoding: 7bit%s%s",
nalt ? "alternative" : "mixed", boundary, eol, eol,
eol);
stringAndString(&out, &j, serverLine);
stringAndString(&out, &j,
"This message is in MIME format. Since your mail reader does not understand\r\n\
this format, some or all of this message may not be legible.\r\n\r\n--");
stringAndString(&out, &j, boundary);
sprintf(serverLine,
"%sContent-Type: %s%s%sContent-Transfer-Encoding: %s%s%s",
eol, ct, charsetString(ct, ce), eol, ce, eol, eol);
stringAndString(&out, &j, serverLine);
}
/* Now send the body, line by line. */
appendAttachment(encoded, &out, &j);
nzFree(encoded);
encoded = 0;
if (mustmime) {
for (i = 0; s = attachments[i]; ++i) {
if (!encodeAttachment
(s, 0, false, &ct, &ce, &encoded))
return false;
sprintf(serverLine, "%s--%s%sContent-Type: %s%s", eol,
boundary, eol, ct, charsetString(ct, ce));
stringAndString(&out, &j, serverLine);
/* If the filename has a quote in it, forget it. */
/* Also, suppress filename if this is an alternate presentation. */
if (!nalt && !strchr(s, '"')
&& (ismc || stringIsNum(s) < 0)) {
sprintf(serverLine, "; name=\"%s\"", s);
stringAndString(&out, &j, serverLine);
}
sprintf(serverLine,
"%sContent-Transfer-Encoding: %s%s%s", eol, ce,
eol, eol);
stringAndString(&out, &j, serverLine);
appendAttachment(encoded, &out, &j);
nzFree(encoded);
encoded = 0;
} /* loop over attachments */
/* The last boundary */
sprintf(serverLine, "%s--%s--%s", eol, boundary, eol);
stringAndString(&out, &j, serverLine);
}
/* mime format */
sendmail_success = sendMailSMTP(ao, reply, recipients, out);
nzFree(out);
return sendmail_success;
} /* sendMail */
/* Read a file into memory, mime encode it,
* and return the type of encoding and the encoded data.
* Last three parameters are result parameters.
* If ismail is nonzero, the file is the mail, not an attachment.
* In fact ismail indicates the line that holds the subject.
* If ismail is negative, then -ismail indicates the subject line,
* and the string file is not the filename, but rather, the mail to send. */
bool
encodeAttachment(const char *file, int ismail, bool webform,
const char **type_p, const char **enc_p, char **data_p)
{
char *buf;
char c;
bool longline;
char *s, *t, *v;
char *ct, *ce; /* content type, content encoding */
int buflen, i, cx;
int nacount, nullcount, nlcount;
if (ismail < 0) {
buf = cloneString(file);
buflen = strlen(buf);
ismail = -ismail;
file = EMPTYSTRING;
} else {
if (!ismc && (cx = stringIsNum(file)) >= 0) {
static char newfilename[16];
if (!unfoldBuffer(cx, false, &buf, &buflen))
return false;
if (!buflen) {
if (webform) {
empty:
buf = EMPTYSTRING;
ct = "text/plain";
ce = "7bit";
goto success;
}
setError(MSG_BufferXEmpty, cx);
goto freefail;
}
sprintf(newfilename, "<buffer %d>", cx);
file = newfilename;
if (sessionList[cx].lw->fileName)
file = sessionList[cx].lw->fileName;
} else {
if (!fileIntoMemory(file, &buf, &buflen))
return false;
if (!buflen) {
if (webform)
goto empty;
setError(MSG_FileXEmpty, file);
goto freefail;
}
}
} /* ismail negative or normal */
if (ismail) {
/* Put newline at the end. Yes, the buffer is allocated
* with space for newline and null. */
if (buf[buflen - 1] != '\n')
buf[buflen++] = '\n';
/* check for subject: line */
s = buf;
i = ismail;
while (--i) {
while (*s != '\n')
++s;
++s;
}
while (*s == ' ' || *s == '\t')
++s;
if (!memEqualCI(s, "subject:", 8)) {
setError(MSG_SubjectStart);
goto freefail;
}
s += 8;
while (*s == ' ' || *s == '\t')
++s;
t = s;
while (*s != '\n')
++s;
v = s;
while (s > t && isspaceByte(s[-1]))
--s;
if (s - t >= sizeof(subjectLine)) {
setError(MSG_SubjectLong, sizeof(subjectLine) - 1);
goto freefail;
}
if (s > t)
memcpy(subjectLine, t, s - t);
subjectLine[s - t] = 0;
if (subjectLine[0]) {
char *subjiso = isoEncode(subjectLine,
subjectLine +
strlen(subjectLine));
if (subjiso) {
if (strlen(subjiso) >= sizeof(subjectLine)) {
nzFree(subjiso);
setError(MSG_SubjectLong,
sizeof(subjectLine) - 1);
goto freefail;
}
strcpy(subjectLine, subjiso);
nzFree(subjiso);
}
}
debugPrint(6, "subject = %s", subjectLine);
/* Blank lines after subject are optional, and ignored. */
for (t = buf + buflen; v < t; ++v)
if (*v != '\r' && *v != '\n')
break;
buflen -= (v - buf);
if (buflen)
memmove(buf, v, buflen);
buf[buflen] = 0;
if (doSignature) { /* Append .signature file. */
/* Try account specific .signature file, then fall back to .signature */
sprintf(sigFileEnd, "%d", mailAccount);
c = fileTypeByName(sigFile, false);
if (!c) {
*sigFileEnd = 0;
c = fileTypeByName(sigFile, false);
}
if (c != 0) {
int fd, n;
if (c != 'f') {
setError(MSG_SigRegular);
goto freefail;
}
n = fileSizeByName(sigFile);
if (n > 0) {
buf = reallocMem(buf, buflen + n + 1);
fd = open(sigFile, O_RDONLY);
if (fd < 0) {
setError(MSG_SigAccess);
goto freefail;
}
read(fd, buf + buflen, n);
close(fd);
buflen += n;
buf[buflen] = 0;
}
}
} /* .signature */
}
/* Infer content type from the filename */
ct = 0;
s = strrchr(file, '.');
if (s && s[1]) {
++s;
if (stringEqualCI(s, "ps"))
ct = "application/PostScript";
if (stringEqualCI(s, "jpeg"))
ct = "image/jpeg";
if (stringEqualCI(s, "gif"))
ct = "image/gif";
if (stringEqualCI(s, "wav"))
ct = "audio/basic";
if (stringEqualCI(s, "mpeg"))
ct = "video/mpeg";
if (stringEqualCI(s, "rtf"))
ct = "text/richtext";
if (stringEqualCI(s, "htm") ||
stringEqualCI(s, "html") ||
stringEqualCI(s, "shtm") ||
stringEqualCI(s, "shtml") || stringEqualCI(s, "asp"))
ct = "text/html";
}
/* Count the nonascii characters */
nacount = nullcount = nlcount = 0;
longline = false;
s = 0;
for (i = 0; i < buflen; ++i) {
c = buf[i];
if (c == '\0')
++nullcount;
if (c < 0)
++nacount;
if (c != '\n')
continue;
++nlcount;
t = buf + i;
if (s && t - s > 120)
longline = true;
if (!s && i > 120)
longline = true;
s = t;
}
t = buf + i;
if (s && t - s > 120)
longline = true;
if (!s && i > 120)
longline = true;
debugPrint(6, "attaching %s length %d nonascii %d nulls %d longline %d",
file, buflen, nacount, nullcount, longline);
nacount += nullcount;
/* Set the type of attachment */
if (buflen > 20 && nacount * 5 > buflen) {
if (!ct)
ct = "application/octet-stream"; /* default type for binary */
}
if (!ct)
ct = "text/plain";
/* Criteria for base64 encode.
* files uploaded from a web form need not be encoded, unless they contain
* nulls, which is a quirk of my slapped together software. */
if (!webform && (buflen > 20 && nacount * 5 > buflen) ||
webform && nullcount) {
if (ismail) {
setError(MSG_MailBinary, file);
goto freefail;
}
s = base64Encode(buf, buflen, true);
nzFree(buf);
buf = s;
ce = "base64";
goto success;
}
if (!webform) {
/* Switch to unix newlines - we'll switch back to dos later. */
v = buf + buflen;
for (s = t = buf; s < v; ++s) {
c = *s;
if (c == '\r' && s < v - 1 && s[1] == '\n')
continue;
*t++ = c;
}
buflen = t - buf;
/* Do we need to use quoted-printable? */
/* Perhaps this hshould read (nacount > 0) */
if (nacount * 20 > buflen || nullcount || longline) {
char *newbuf;
int l, colno = 0, space = 0;
newbuf = initString(&l);
v = buf + buflen;
for (s = buf; s < v; ++s) {
c = *s;
/* do we have to =expand this character? */
if (c < '\n' && c != '\t' ||
c == '=' ||
c == '\xff' ||
(c == ' ' || c == '\t') && s < v - 1
&& s[1] == '\n') {
char expand[4];
sprintf(expand, "=%02X", (uchar) c);
stringAndString(&newbuf, &l, expand);
colno += 3;
} else {
stringAndChar(&newbuf, &l, c);
++colno;
}
if (c == '\n') {
colno = space = 0;
continue;
}
if (c == ' ' || c == '\t')
space = l;
if (colno < 72)
continue;
if (s == v - 1)
continue;
/* If newline's coming up anyways, don't force another one. */
if (s[1] == '\n')
continue;
i = l;
if (!space || space == i) {
stringAndString(&newbuf, &l, "=\n");
colno = space = 0;
continue;
}
colno = i - space;
stringAndString(&newbuf, &l, "**"); /* make room */
while (i > space) {
newbuf[i + 1] = newbuf[i - 1];
--i;
}
newbuf[space] = '=';
newbuf[space + 1] = '\n';
space = 0;
} /* loop over characters */
nzFree(buf);
buf = newbuf;
ce = "quoted-printable";
goto success;
}
}
buf[buflen] = 0;
ce = (nacount ? "8bit" : "7bit");
success:
debugPrint(6, "encoded %s %s length %d", ct, ce, strlen(buf));
*enc_p = ce;
*type_p = ct;
*data_p = buf;
return true;
freefail:
nzFree(buf);
return false;
} /* encodeAttachment */
/* Let's jump right into it - parse a cookie, as received from a website. */
bool receiveCookie(const char *url, const char *str)
{
struct cookie *c;
const char *p, *q, *server;
char *date, *s;
debugPrint(3, "cookie %s", str);
server = getHostURL(url);
if (server == 0 || !*server)
return false;
/* Cookie starts with name=value. If we can't get that, go home. */
for (p = str; *p != ';' && *p; p++) ;
for (q = str; *q != '='; q++)
if (!*q || q >= p)
return false;
if (str == q)
return false;
c = allocZeroMem(sizeof(struct cookie));
c->tail = false;
c->name = pullString1(str, q);
++q;
if (p - q > 0)
c->value = pullString1(q, p);
else
c->value = emptyString;
c->server = cloneString(server);
if (date = extractHeaderParam(str, "expires")) {
c->expires = parseHeaderDate(date);
nzFree(date);
} else if (date = extractHeaderParam(str, "max-age")) {
int n = stringIsNum(date);
if (n >= 0) {
time_t now = time(0);
c->expires = now + n;
}
nzFree(date);
}
c->path = extractHeaderParam(str, "path");
if (!c->path) {
/* The url indicates the path for this cookie, if a path is not explicitly given */
const char *dir, *dirend;
getDirURL(url, &dir, &dirend);
c->path = pullString1(dir, dirend);
} else {
if (!c->path[0] || c->path[strlen(c->path) - 1] != '/')
c->path = appendString(c->path, "/");
if (c->path[0] != '/')
c->path = prependString(c->path, "/");
}
if (!(c->domain = extractHeaderParam(str, "domain"))) {
c->domain = cloneString(server);
} else {
/* Is this safe for tail-matching? */
const char *domtemp = c->domain;
if (domtemp[0] == '.')
domtemp++;
if (!domainSecurityCheck(server, domtemp)) {
nzFree(c->domain);
c->domain = cloneString(server);
} else {
/* It's safe to do tail-matching with this domain. */
c->tail = true;
/* Guarantee that it does in fact start with dot, prepending if necessary.. */
if (c->domain[0] != '.')
c->domain = prependString(c->domain, ".");
}
}
if (s = extractHeaderParam(str, "secure")) {
c->secure = true;
nzFree(s);
}
cookieForLibcurl(c);
freeCookie(c);
nzFree(c);
return true;
} /* receiveCookie */