/* Borrow part of code from libwww2 came with Mosaic distribution */
static void
gopherToHTML(GopherStateData * gopherState, char *inbuf, int len)
{
char *pos = inbuf;
char *lpos = NULL;
char *tline = NULL;
LOCAL_ARRAY(char, line, TEMP_BUF_SIZE);
LOCAL_ARRAY(char, tmpbuf, TEMP_BUF_SIZE);
String outbuf = StringNull;
char *name = NULL;
char *selector = NULL;
char *host = NULL;
char *port = NULL;
char *escaped_selector = NULL;
const char *icon_url = NULL;
char gtype;
StoreEntry *entry = NULL;
memset(tmpbuf, '\0', TEMP_BUF_SIZE);
memset(line, '\0', TEMP_BUF_SIZE);
entry = gopherState->entry;
if (gopherState->conversion == HTML_INDEX_PAGE) {
char *html_url = html_quote(storeUrl(entry));
gopherHTMLHeader(entry, "Gopher Index %s", html_url);
storeAppendPrintf(entry,
"<p>This is a searchable Gopher index. Use the search\n"
"function of your browser to enter search terms.\n"
"<ISINDEX>\n");
gopherHTMLFooter(entry);
/* now let start sending stuff to client */
storeBufferFlush(entry);
gopherState->HTML_header_added = 1;
return;
}
if (gopherState->conversion == HTML_CSO_PAGE) {
char *html_url = html_quote(storeUrl(entry));
gopherHTMLHeader(entry, "CSO Search of %s", html_url);
storeAppendPrintf(entry,
"<P>A CSO database usually contains a phonebook or\n"
"directory. Use the search function of your browser to enter\n"
"search terms.</P><ISINDEX>\n");
gopherHTMLFooter(entry);
/* now let start sending stuff to client */
storeBufferFlush(entry);
gopherState->HTML_header_added = 1;
return;
}
inbuf[len] = '\0';
if (!gopherState->HTML_header_added) {
if (gopherState->conversion == HTML_CSO_RESULT)
gopherHTMLHeader(entry, "CSO Search Result", NULL);
else
gopherHTMLHeader(entry, "Gopher Menu", NULL);
strCat(outbuf, "<PRE>");
gopherState->HTML_header_added = 1;
gopherState->HTML_pre = 1;
}
while ((pos != NULL) && (pos < inbuf + len)) {
if (gopherState->len != 0) {
/* there is something left from last tx. */
xstrncpy(line, gopherState->buf, gopherState->len + 1);
if (gopherState->len + len > TEMP_BUF_SIZE) {
debug(10, 1) ("GopherHTML: Buffer overflow. Lost some data on URL: %s\n",
storeUrl(entry));
len = TEMP_BUF_SIZE - gopherState->len;
}
lpos = (char *) memccpy(line + gopherState->len, inbuf, '\n', len);
if (lpos)
*lpos = '\0';
else {
/* there is no complete line in inbuf */
/* copy it to temp buffer */
if (gopherState->len + len > TEMP_BUF_SIZE) {
debug(10, 1) ("GopherHTML: Buffer overflow. Lost some data on URL: %s\n",
storeUrl(entry));
len = TEMP_BUF_SIZE - gopherState->len;
}
xmemcpy(gopherState->buf + gopherState->len, inbuf, len);
gopherState->len += len;
return;
}
/* skip one line */
pos = (char *) memchr(pos, '\n', len);
if (pos)
pos++;
/* we're done with the remain from last tx. */
gopherState->len = 0;
*(gopherState->buf) = '\0';
} else {
lpos = (char *) memccpy(line, pos, '\n', len - (pos - inbuf));
if (lpos)
*lpos = '\0';
else {
/* there is no complete line in inbuf */
/* copy it to temp buffer */
if ((len - (pos - inbuf)) > TEMP_BUF_SIZE) {
debug(10, 1) ("GopherHTML: Buffer overflow. Lost some data on URL: %s\n",
storeUrl(entry));
len = TEMP_BUF_SIZE;
}
if (len > (pos - inbuf)) {
xmemcpy(gopherState->buf, pos, len - (pos - inbuf));
gopherState->len = len - (pos - inbuf);
}
break;
}
/* skip one line */
pos = (char *) memchr(pos, '\n', len);
if (pos)
pos++;
}
/* at this point. We should have one line in buffer to process */
if (*line == '.') {
/* skip it */
memset(line, '\0', TEMP_BUF_SIZE);
continue;
}
switch (gopherState->conversion) {
case HTML_INDEX_RESULT:
case HTML_DIR:{
tline = line;
gtype = *tline++;
name = tline;
selector = strchr(tline, TAB);
if (selector) {
*selector++ = '\0';
host = strchr(selector, TAB);
if (host) {
*host++ = '\0';
port = strchr(host, TAB);
if (port) {
char *junk;
port[0] = ':';
junk = strchr(host, TAB);
if (junk)
*junk++ = 0; /* Chop port */
else {
junk = strchr(host, '\r');
if (junk)
*junk++ = 0; /* Chop port */
else {
junk = strchr(host, '\n');
if (junk)
*junk++ = 0; /* Chop port */
}
}
if ((port[1] == '0') && (!port[2]))
port[0] = 0; /* 0 means none */
}
/* escape a selector here */
escaped_selector = xstrdup(rfc1738_escape_part(selector));
switch (gtype) {
case GOPHER_DIRECTORY:
icon_url = mimeGetIconURL("internal-menu");
break;
case GOPHER_HTML:
case GOPHER_FILE:
icon_url = mimeGetIconURL("internal-text");
break;
case GOPHER_INDEX:
case GOPHER_CSO:
icon_url = mimeGetIconURL("internal-index");
break;
case GOPHER_IMAGE:
case GOPHER_GIF:
case GOPHER_PLUS_IMAGE:
icon_url = mimeGetIconURL("internal-image");
break;
case GOPHER_SOUND:
case GOPHER_PLUS_SOUND:
icon_url = mimeGetIconURL("internal-sound");
break;
case GOPHER_PLUS_MOVIE:
icon_url = mimeGetIconURL("internal-movie");
break;
case GOPHER_TELNET:
case GOPHER_3270:
icon_url = mimeGetIconURL("internal-telnet");
break;
case GOPHER_BIN:
case GOPHER_MACBINHEX:
case GOPHER_DOSBIN:
case GOPHER_UUENCODED:
icon_url = mimeGetIconURL("internal-binary");
break;
case GOPHER_INFO:
icon_url = NULL;
break;
default:
icon_url = mimeGetIconURL("internal-unknown");
break;
}
memset(tmpbuf, '\0', TEMP_BUF_SIZE);
if ((gtype == GOPHER_TELNET) || (gtype == GOPHER_3270)) {
if (strlen(escaped_selector) != 0)
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s@%s%s%s/\">%s</A>\n",
icon_url, escaped_selector, rfc1738_escape_part(host),
*port ? ":" : "", port, html_quote(name));
else
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"telnet://%s%s%s/\">%s</A>\n",
icon_url, rfc1738_escape_part(host), *port ? ":" : "",
port, html_quote(name));
} else if (gtype == GOPHER_INFO) {
snprintf(tmpbuf, TEMP_BUF_SIZE, "\t%s\n", html_quote(name));
} else {
if (strncmp(selector, "GET /", 5) == 0) {
/* WWW link */
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"http://%s/%s\">%s</A>\n",
icon_url, host, rfc1738_escape_unescaped(selector + 5), html_quote(name));
} else {
/* Standard link */
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG border=\"0\" SRC=\"%s\"> <A HREF=\"gopher://%s/%c%s\">%s</A>\n",
icon_url, host, gtype, escaped_selector, html_quote(name));
}
}
safe_free(escaped_selector);
strCat(outbuf, tmpbuf);
} else {
memset(line, '\0', TEMP_BUF_SIZE);
continue;
}
} else {
memset(line, '\0', TEMP_BUF_SIZE);
continue;
}
break;
} /* HTML_DIR, HTML_INDEX_RESULT */
case HTML_CSO_RESULT:{
if (line[0] == '-') {
int code, recno;
char *s_code, *s_recno, *result;
s_code = strtok(line + 1, ":\n");
s_recno = strtok(NULL, ":\n");
result = strtok(NULL, "\n");
if (!result)
break;
code = atoi(s_code);
recno = atoi(s_recno);
if (code != 200)
break;
if (gopherState->cso_recno != recno) {
snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR noshade size=\"1px\"><H2>Record# %d<br><i>%s</i></H2>\n<PRE>", recno, html_quote(result));
gopherState->cso_recno = recno;
} else {
snprintf(tmpbuf, TEMP_BUF_SIZE, "%s\n", html_quote(result));
}
strCat(outbuf, tmpbuf);
break;
} else {
int code;
char *s_code, *result;
s_code = strtok(line, ":");
result = strtok(NULL, "\n");
if (!result)
break;
code = atoi(s_code);
switch (code) {
case 200:{
/* OK */
/* Do nothing here */
break;
}
case 102: /* Number of matches */
case 501: /* No Match */
case 502: /* Too Many Matches */
{
/* Print the message the server returns */
snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR noshade size=\"1px\"><H2>%s</H2>\n<PRE>", html_quote(result));
strCat(outbuf, tmpbuf);
break;
}
}
}
} /* HTML_CSO_RESULT */
default:
break; /* do nothing */
} /* switch */
} /* while loop */
if (strLen(outbuf) > 0) {
storeAppend(entry, strBuf(outbuf), strLen(outbuf));
/* now let start sending stuff to client */
storeBufferFlush(entry);
}
stringClean(&outbuf);
return;
}
/* Borrow part of code from libwww2 came with Mosaic distribution */
static void
gopherToHTML(GopherStateData * gopherState, char *inbuf, int len)
{
char *pos = inbuf;
char *lpos = NULL;
char *tline = NULL;
LOCAL_ARRAY(char, line, TEMP_BUF_SIZE);
LOCAL_ARRAY(char, tmpbuf, TEMP_BUF_SIZE);
LOCAL_ARRAY(char, outbuf, TEMP_BUF_SIZE << 4);
char *name = NULL;
char *selector = NULL;
char *host = NULL;
char *port = NULL;
char *escaped_selector = NULL;
const char *icon_url = NULL;
char gtype;
StoreEntry *entry = NULL;
memset(outbuf, '\0', TEMP_BUF_SIZE << 4);
memset(tmpbuf, '\0', TEMP_BUF_SIZE);
memset(line, '\0', TEMP_BUF_SIZE);
entry = gopherState->entry;
if (gopherState->conversion == HTML_INDEX_PAGE) {
storeAppendPrintf(entry,
"<HTML><HEAD><TITLE>Gopher Index %s</TITLE></HEAD>\n"
"<BODY><H1>%s<BR>Gopher Search</H1>\n"
"<p>This is a searchable Gopher index. Use the search\n"
"function of your browser to enter search terms.\n"
"<ISINDEX></BODY></HTML>\n",
storeUrl(entry), storeUrl(entry));
/* now let start sending stuff to client */
storeBufferFlush(entry);
gopherState->data_in = 1;
return;
}
if (gopherState->conversion == HTML_CSO_PAGE) {
storeAppendPrintf(entry,
"<HTML><HEAD><TITLE>CSO Search of %s</TITLE></HEAD>\n"
"<BODY><H1>%s<BR>CSO Search</H1>\n"
"<P>A CSO database usually contains a phonebook or\n"
"directory. Use the search function of your browser to enter\n"
"search terms.</P><ISINDEX></BODY></HTML>\n",
storeUrl(entry), storeUrl(entry));
/* now let start sending stuff to client */
storeBufferFlush(entry);
gopherState->data_in = 1;
return;
}
inbuf[len] = '\0';
if (!gopherState->HTML_header_added) {
if (gopherState->conversion == HTML_CSO_RESULT)
strcat(outbuf, "<HTML><HEAD><TITLE>CSO Searchs Result</TITLE></HEAD>\n"
"<BODY><H1>CSO Searchs Result</H1>\n<PRE>\n");
else
strcat(outbuf, "<HTML><HEAD><TITLE>Gopher Menu</TITLE></HEAD>\n"
"<BODY><H1>Gopher Menu</H1>\n<PRE>\n");
gopherState->HTML_header_added = 1;
}
while ((pos != NULL) && (pos < inbuf + len)) {
if (gopherState->len != 0) {
/* there is something left from last tx. */
xstrncpy(line, gopherState->buf, gopherState->len);
lpos = (char *) memccpy(line + gopherState->len, inbuf, '\n', len);
if (lpos)
*lpos = '\0';
else {
/* there is no complete line in inbuf */
/* copy it to temp buffer */
if (gopherState->len + len > TEMP_BUF_SIZE) {
debug(10, 1) ("GopherHTML: Buffer overflow. Lost some data on URL: %s\n",
storeUrl(entry));
len = TEMP_BUF_SIZE - gopherState->len;
}
xmemcpy(gopherState->buf + gopherState->len, inbuf, len);
gopherState->len += len;
return;
}
/* skip one line */
pos = (char *) memchr(pos, '\n', len);
if (pos)
pos++;
/* we're done with the remain from last tx. */
gopherState->len = 0;
*(gopherState->buf) = '\0';
} else {
lpos = (char *) memccpy(line, pos, '\n', len - (pos - inbuf));
if (lpos)
*lpos = '\0';
else {
/* there is no complete line in inbuf */
/* copy it to temp buffer */
if ((len - (pos - inbuf)) > TEMP_BUF_SIZE) {
debug(10, 1) ("GopherHTML: Buffer overflow. Lost some data on URL: %s\n",
storeUrl(entry));
len = TEMP_BUF_SIZE;
}
if (len > (pos - inbuf)) {
xmemcpy(gopherState->buf, pos, len - (pos - inbuf));
gopherState->len = len - (pos - inbuf);
}
break;
}
/* skip one line */
pos = (char *) memchr(pos, '\n', len);
if (pos)
pos++;
}
/* at this point. We should have one line in buffer to process */
if (*line == '.') {
/* skip it */
memset(line, '\0', TEMP_BUF_SIZE);
continue;
}
switch (gopherState->conversion) {
case HTML_INDEX_RESULT:
case HTML_DIR:{
tline = line;
gtype = *tline++;
name = tline;
selector = strchr(tline, TAB);
if (selector) {
*selector++ = '\0';
host = strchr(selector, TAB);
if (host) {
*host++ = '\0';
port = strchr(host, TAB);
if (port) {
char *junk;
port[0] = ':';
junk = strchr(host, TAB);
if (junk)
*junk++ = 0; /* Chop port */
else {
junk = strchr(host, '\r');
if (junk)
*junk++ = 0; /* Chop port */
else {
junk = strchr(host, '\n');
if (junk)
*junk++ = 0; /* Chop port */
}
}
if ((port[1] == '0') && (!port[2]))
port[0] = 0; /* 0 means none */
}
/* escape a selector here */
escaped_selector = xstrdup(rfc1738_escape_part(selector));
switch (gtype) {
case GOPHER_DIRECTORY:
icon_url = mimeGetIconURL("internal-menu");
break;
case GOPHER_FILE:
icon_url = mimeGetIconURL("internal-text");
break;
case GOPHER_INDEX:
case GOPHER_CSO:
icon_url = mimeGetIconURL("internal-index");
break;
case GOPHER_IMAGE:
case GOPHER_GIF:
case GOPHER_PLUS_IMAGE:
icon_url = mimeGetIconURL("internal-image");
break;
case GOPHER_SOUND:
case GOPHER_PLUS_SOUND:
icon_url = mimeGetIconURL("internal-sound");
break;
case GOPHER_PLUS_MOVIE:
icon_url = mimeGetIconURL("internal-movie");
break;
case GOPHER_TELNET:
case GOPHER_3270:
icon_url = mimeGetIconURL("internal-telnet");
break;
case GOPHER_BIN:
case GOPHER_MACBINHEX:
case GOPHER_DOSBIN:
case GOPHER_UUENCODED:
icon_url = mimeGetIconURL("internal-binary");
break;
default:
icon_url = mimeGetIconURL("internal-unknown");
break;
}
memset(tmpbuf, '\0', TEMP_BUF_SIZE);
if ((gtype == GOPHER_TELNET) || (gtype == GOPHER_3270)) {
if (strlen(escaped_selector) != 0)
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG BORDER=0 SRC=\"%s\"> <A HREF=\"telnet://%s@%s/\">%s</A>\n",
icon_url, escaped_selector, host, name);
else
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG BORDER=0 SRC=\"%s\"> <A HREF=\"telnet://%s/\">%s</A>\n",
icon_url, host, name);
} else {
snprintf(tmpbuf, TEMP_BUF_SIZE, "<IMG BORDER=0 SRC=\"%s\"> <A HREF=\"gopher://%s/%c%s\">%s</A>\n",
icon_url, host, gtype, escaped_selector, name);
}
safe_free(escaped_selector);
strcat(outbuf, tmpbuf);
gopherState->data_in = 1;
} else {
memset(line, '\0', TEMP_BUF_SIZE);
continue;
}
} else {
memset(line, '\0', TEMP_BUF_SIZE);
continue;
}
break;
} /* HTML_DIR, HTML_INDEX_RESULT */
case HTML_CSO_RESULT:{
int t;
int code;
int recno;
LOCAL_ARRAY(char, result, MAX_CSO_RESULT);
tline = line;
if (tline[0] == '-') {
t = sscanf(tline, "-%d:%d:%[^\n]", &code, &recno, result);
if (t < 3)
break;
if (code != 200)
break;
if (gopherState->cso_recno != recno) {
snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR><H2>Record# %d<br><i>%s</i></H2>\n<PRE>", recno, result);
gopherState->cso_recno = recno;
} else {
snprintf(tmpbuf, TEMP_BUF_SIZE, "%s\n", result);
}
strcat(outbuf, tmpbuf);
gopherState->data_in = 1;
break;
} else {
/* handle some error codes */
t = sscanf(tline, "%d:%[^\n]", &code, result);
if (t < 2)
break;
switch (code) {
case 200:{
/* OK */
/* Do nothing here */
break;
}
case 102: /* Number of matches */
case 501: /* No Match */
case 502: /* Too Many Matches */
{
/* Print the message the server returns */
snprintf(tmpbuf, TEMP_BUF_SIZE, "</PRE><HR><H2>%s</H2>\n<PRE>", result);
strcat(outbuf, tmpbuf);
gopherState->data_in = 1;
break;
}
}
}
} /* HTML_CSO_RESULT */
default:
break; /* do nothing */
} /* switch */
} /* while loop */
if ((int) strlen(outbuf) > 0) {
storeAppend(entry, outbuf, strlen(outbuf));
/* now let start sending stuff to client */
storeBufferFlush(entry);
}
return;
}
