int LYUpload( char *line )
{
int eax;
char *method, *directory;
int method_number;
int count;
char *the_upload = 0;
char tmpbuf[256];
char *filename = 0;
lynx_list_item_type *upload_command = 0;
char *the_command = 0;
directory = strstr( line, "TO=" );
if ( directory != 0 )
{
directory[ -1 ] = 0;
directory += 3;
method = strstr( line, "UPLOAD=" );
if ( method != 0 )
{
method += 7;
method_number = atoi( method );
count = 0;
upload_command = uploaders;
for ( ; count < method_number; upload_command = &upload_command )
{
count++;
//upload_command = &upload_command;
}
if ( upload_command->command == 0 )
{
HTAlert( gettext( "ERROR! - upload command is misconfigured" ) );
}
if ( HTCountCommandArgs( upload_command->command ) != 0 )
{
mustshow = 1;
statusline( gettext( "Enter a filename: " ) );
do
{
tmpbuf[0] = 0;
if ( LYgetstr( tmpbuf, 0, 256, 0 ) >= 0 && ( tmpbuf[0] & 255 ) != 0 )
{
if ( strstr( tmpbuf, "../" ) != 0 )
{
HTAlert( gettext( "Illegal redirection \"../\" found! Request ignored." ) );
}
if ( strchr( tmpbuf, 47 ) != 0 )
{
HTAlert( gettext( "Illegal character \"/\" found! Request ignored." ) );
}
if ( tmpbuf[0] == '~' )
{
HTAlert( gettext( "Illegal redirection using \"~\" found! Request ignored." ) );
}
HTSprintf0( &filename, "%s/%s", directory, tmpbuf[0] );
if ( filename[0] == '|' )
{
HTAlert( gettext( "Cannot write to file." ) );
mustshow = 1;
statusline( gettext( "Enter a new filename: " ) );
}
switch ( LYValidateOutput( filename ) )
{
case 89:
if ( ( WWW_TraceFlag & 255 ) != 0 )
{
fprintf( TraceFP( ), "LYUpload: filename is %s", filename );
}
break;
default:
HTInfoMsg( gettext( "Cancelling!" ) );
if ( ( 0 ^ 0 ) != 0 )
{
__stack_chk_fail( );
break;
}
break;
}
}
}
while ( ( LYCanWriteFile( filename ) & 255 ) == 0 );
HTAddParam( &the_upload, upload_command->command, 1, filename );
HTEndParam( &the_upload, upload_command->command, 1 );
}
else
{
HTSACopy( &the_upload, upload_command->command );
HTAddParam( &the_command, "cd %s ; ", 1, directory );
HTEndParam( &the_command, "cd %s ; ", 1 );
HTSACat( &the_command, the_upload );
if ( ( WWW_TraceFlag & 255 ) != 0 )
{
fprintf( TraceFP( ), "command: %s\n", the_command );
}
stop_curses( );
LYSystem( the_command );
start_curses( );
if ( the_command != 0 )
{
free( the_command );
the_command = 0;
}
if ( the_upload != 0 )
{
free( the_upload );
the_upload = 0;
}
if ( filename != 0 )
chmod( filename, 384 );
if ( filename != 0 )
{
free( filename );
filename = 0;
}
}
}
}
HTAlert( gettext( "Unable to upload file." ) );
}
/* Translate by rules HTTranslate()
* ------------------
*
* The most recently defined rules are applied first.
*
* On entry,
* required points to a string whose equivalent value is needed
* On exit,
* returns the address of the equivalent string allocated from
* the heap which the CALLER MUST FREE. If no translation
* occurred, then it is a copy of the original.
* NEW FEATURES:
* When a "protect" or "defprot" rule is matched,
* a call to HTAA_setCurrentProtection() or
* HTAA_setDefaultProtection() is made to notify
* the Access Authorization module that the file is
* protected, and so it knows how to handle it.
* -- AL
*/
char *HTTranslate(const char *required)
{
rule *r;
char *current = NULL;
char *msgtmp = NULL;
const char *pMsg;
int proxy_none_flag = 0;
int permitredir_flag = 0;
StrAllocCopy(current, required);
HTAA_clearProtections(); /* Reset from previous call -- AL */
for (r = rules; r; r = r->next) {
char *p = r->pattern;
int m = 0; /* Number of characters matched against wildcard */
const char *q = current;
for (; *p && *q; p++, q++) { /* Find first mismatch */
if (*p != *q)
break;
}
if (*p == '*') { /* Match up to wildcard */
m = strlen(q) - strlen(p + 1); /* Amount to match to wildcard */
if (m < 0)
continue; /* tail is too short to match */
if (0 != strcmp(q + m, p + 1))
continue; /* Tail mismatch */
} else
/* Not wildcard */ if (*p != *q)
continue; /* plain mismatch: go to next rule */
if (!rule_cond_ok(r)) /* check condition, next rule if false - kw */
continue;
switch (r->op) { /* Perform operation */
#ifdef ACCESS_AUTH
case HT_DefProt:
case HT_Protect:
{
char *local_copy = NULL;
char *p2;
char *eff_ids = NULL;
char *prot_file = NULL;
CTRACE((tfp, "HTRule: `%s' matched %s %s: `%s'\n",
current,
(r->op == HT_Protect ? "Protect" : "DefProt"),
"rule, setup",
(r->equiv ? r->equiv :
(r->op == HT_Protect ? "DEFAULT" : "NULL!!"))));
if (r->equiv) {
StrAllocCopy(local_copy, r->equiv);
p2 = local_copy;
prot_file = HTNextField(&p2);
eff_ids = HTNextField(&p2);
}
if (r->op == HT_Protect)
HTAA_setCurrentProtection(current, prot_file, eff_ids);
else
HTAA_setDefaultProtection(current, prot_file, eff_ids);
FREE(local_copy);
/* continue translating rules */
}
break;
#endif /* ACCESS_AUTH */
case HT_UserMsg: /* Produce message immediately */
LYFixCursesOn("show rule message:");
HTUserMsg2((r->equiv ? r->equiv : "Rule: %s"), current);
break;
case HT_InfoMsg: /* Produce messages immediately */
case HT_Progress:
case HT_Alert:
LYFixCursesOn("show rule message:"); /* and fall through */
case HT_AlwaysAlert:
pMsg = r->equiv ? r->equiv :
(r->op == HT_AlwaysAlert) ? "%s" : "Rule: %s";
if (strchr(pMsg, '%')) {
HTSprintf0(&msgtmp, pMsg, current);
pMsg = msgtmp;
}
switch (r->op) { /* Actually produce message */
case HT_InfoMsg:
HTInfoMsg(pMsg);
break;
case HT_Progress:
HTProgress(pMsg);
break;
case HT_Alert:
HTAlert(pMsg);
break;
case HT_AlwaysAlert:
HTAlwaysAlert("Rule alert:", pMsg);
break;
default:
break;
}
FREE(msgtmp);
break;
case HT_PermitRedir: /* Set special flag */
permitredir_flag = 1;
CTRACE((tfp, "HTRule: Mark for redirection permitted\n"));
break;
case HT_Pass: /* Authorised */
if (!r->equiv) {
if (proxy_none_flag) {
char *temp = NULL;
StrAllocCopy(temp, "NoProxy=");
StrAllocCat(temp, current);
FREE(current);
current = temp;
}
CTRACE((tfp, "HTRule: Pass `%s'\n", current));
return current;
}
/* Else fall through ...to map and pass */
case HT_Map:
case HT_Redirect:
case HT_RedirectPerm:
if (*p == *q) { /* End of both strings, no wildcard */
CTRACE((tfp, "For `%s' using `%s'\n", current, r->equiv));
StrAllocCopy(current, r->equiv); /* use entire translation */
} else {
char *ins = strchr(r->equiv, '*'); /* Insertion point */
if (ins) { /* Consistent rule!!! */
char *temp = NULL;
HTSprintf0(&temp, "%.*s%.*s%s",
(int) (ins - r->equiv),
r->equiv,
m,
q,
ins + 1);
CTRACE((tfp, "For `%s' using `%s'\n",
current, temp));
FREE(current);
current = temp; /* Use this */
} else { /* No insertion point */
char *temp = NULL;
StrAllocCopy(temp, r->equiv);
CTRACE((tfp, "For `%s' using `%s'\n",
current, temp));
FREE(current);
current = temp; /* Use this */
} /* If no insertion point exists */
}
if (r->op == HT_Pass) {
if (proxy_none_flag) {
char *temp = NULL;
StrAllocCopy(temp, "NoProxy=");
StrAllocCat(temp, current);
FREE(current);
current = temp;
}
CTRACE((tfp, "HTRule: ...and pass `%s'\n",
current));
return current;
} else if (r->op == HT_Redirect) {
CTRACE((tfp, "HTRule: ...and redirect to `%s'\n",
current));
redirecting_url = current;
HTPermitRedir = (BOOL) (permitredir_flag == 1);
return (char *) 0;
} else if (r->op == HT_RedirectPerm) {
CTRACE((tfp, "HTRule: ...and redirect like 301 to `%s'\n",
current));
redirecting_url = current;
permanent_redirection = TRUE;
HTPermitRedir = (BOOL) (permitredir_flag == 1);
return (char *) 0;
}
break;
case HT_UseProxy:
if (r->equiv && 0 == strcasecomp(r->equiv, "none")) {
CTRACE((tfp, "For `%s' will not use proxy\n", current));
proxy_none_flag = 1;
} else if (proxy_none_flag) {
CTRACE((tfp, "For `%s' proxy server ignored: %s\n",
current,
NONNULL(r->equiv)));
} else {
char *temp = NULL;
StrAllocCopy(temp, "Proxied=");
StrAllocCat(temp, r->equiv);
StrAllocCat(temp, current);
CTRACE((tfp, "HTRule: proxy server found: %s\n",
NONNULL(r->equiv)));
FREE(current);
return temp;
}
break;
case HT_Invalid:
case HT_Fail: /* Unauthorised */
CTRACE((tfp, "HTRule: *** FAIL `%s'\n", current));
FREE(current);
return (char *) 0;
} /* if tail matches ... switch operation */
} /* loop over rules */
if (proxy_none_flag) {
char *temp = NULL;
StrAllocCopy(temp, "NoProxy=");
StrAllocCat(temp, current);
FREE(current);
return temp;
}
return current;
}
/*
* In edit mode invoke the given (or default) editor to display and edit the
* current file. For editors listed in 'editor_can_position()', Lynx
* will open the file to the same line that the screen cursor is on (or
* close...) when editing is invoked.
*
* Returns FALSE if file is uneditable.
*/
PUBLIC int edit_current_file ARGS3(
char *, newfile,
int, cur,
int, lineno)
{
int result = FALSE;
char *filename = NULL;
#if !(defined(VMS) || defined(USE_DOS_DRIVES))
char *colon;
#endif
char *number_sign;
char position[80];
#if defined(VMS) || defined(CANT_EDIT_UNWRITABLE_FILES)
FILE *fp;
#endif
CTRACE((tfp, "edit_current_file(newfile=%s, cur=%d, lineno=%d)\n",
newfile, cur, lineno));
/*
* If it's a remote file then we can't edit it.
*/
if (!LYisLocalFile(newfile)) {
HTUserMsg(CANNOT_EDIT_REMOTE_FILES);
return FALSE;
}
/*
* If there's a fragment, trim it. - FM
*/
number_sign = trimPoundSelector(newfile);
/*
* On Unix, first try to open it as a completely referenced file,
* then via the path alone.
*
* On VMS, only try the path.
*/
#if defined (VMS) || defined (USE_DOS_DRIVES)
filename = HTParse(newfile, "", PARSE_PATH+PARSE_PUNCTUATION);
HTUnEscape(filename);
StrAllocCopy(filename, HTSYS_name(filename));
if (!LYCanReadFile(filename)) {
#ifdef SH_EX
HTUserMsg2(COULD_NOT_EDIT_FILE, filename);
#else
HTAlert(COULD_NOT_ACCESS_FILE);
#endif
CTRACE((tfp, "filename: '%s'\n", filename));
goto done;
}
#else /* something like UNIX */
if (strncmp(newfile, "file://localhost/", 16) == 0)
colon = newfile + 16;
else
colon = strchr(newfile, ':');
StrAllocCopy(filename, (colon + 1));
HTUnEscape(filename);
if (!LYCanReadFile(filename)) {
FREE(filename);
filename = HTParse(newfile, "", PARSE_PATH+PARSE_PUNCTUATION);
HTUnEscape(filename);
if (!LYCanReadFile(HTSYS_name(filename))) {
HTAlert(COULD_NOT_ACCESS_FILE);
goto done;
}
}
#endif
#if defined(VMS) || defined(CANT_EDIT_UNWRITABLE_FILES)
/*
* Don't allow editing if user lacks append access.
*/
if ((fp = fopen(filename, TXT_A)) == NULL)
{
HTUserMsg(NOAUTH_TO_EDIT_FILE);
goto done;
}
fclose(fp);
#endif /* VMS || CANT_EDIT_UNWRITABLE_FILES */
/*
* Make sure cur is at least zero. - FM
*/
if (cur < 0) {
cur = 0;
}
/*
* Set up the command for the editor. - FM
*/
*position = 0;
#ifdef VMS
lineno--;
#endif
lineno += (nlinks ? links[cur].ly : 0);
if (lineno > 0)
sprintf(position, "%d", lineno);
edit_temporary_file(filename, position, NULL);
result = TRUE;
done:
/*
* Restore the fragment if there was one. - FM
*/
restorePoundSelector(number_sign);
FREE(filename);
CTRACE((tfp, "edit_current_file returns %d\n", result));
return (result);
}
/*
* This function is called from HTLoadNews() to have the user
* create a file with news headers and a body for posting of
* a new message (based on a newspost://nntp_host/newsgroups
* or snewspost://secure_nntp_host/newsgroups URL), or to post
* a followup (based on a newsreply://nntp_host/newsgroups or
* snewsreply://secure_nntp_host/newsgroups URL). The group
* or comma-separated list of newsgroups is passed without
* a lead slash, and followup is TRUE for newsreply or
* snewsreply URLs. - FM
*/
char *LYNewsPost(char *newsgroups,
BOOLEAN followup)
{
char user_input[MAX_LINE];
char CJKinput[MAX_LINE];
char *cp = NULL;
const char *kp = NULL;
int c = 0; /* user input */
int len;
FILE *fd = NULL;
char my_tempfile[LY_MAXPATH];
FILE *fc = NULL;
char CJKfile[LY_MAXPATH];
char *postfile = NULL;
char *NewsGroups = NULL;
char *References = NULL;
char *org = NULL;
FILE *fp = NULL;
BOOLEAN nonempty = FALSE;
BOOLEAN nonspaces = FALSE;
/*
* Make sure a non-zero length newspost, newsreply, snewspost or snewsreply
* path was sent to us. - FM
*/
if (isEmpty(newsgroups))
return (postfile);
/*
* Return immediately if we do get called, maybe by some quirk of HTNews.c,
* when we shouldn't. - kw
*/
if (no_newspost)
return (postfile);
/*
* Open a temporary file for the headers and message body. - FM
*/
#ifdef __DJGPP__
if ((fd = LYOpenTemp(my_tempfile, HTML_SUFFIX, BIN_W)) == NULL)
#else
if ((fd = LYOpenTemp(my_tempfile, HTML_SUFFIX, "w")) == NULL)
#endif /* __DJGPP__ */
{
HTAlert(CANNOT_OPEN_TEMP);
return (postfile);
}
/*
* If we're using a Japanese display character set, open a temporary file
* for a conversion to JIS. - FM
*/
CJKfile[0] = '\0';
if (current_char_set == UCGetLYhndl_byMIME("euc-jp") ||
current_char_set == UCGetLYhndl_byMIME("shift_jis")) {
if ((fc = LYOpenTemp(CJKfile, HTML_SUFFIX, "w")) == NULL) {
HTAlert(CANNOT_OPEN_TEMP);
LYRemoveTemp(my_tempfile);
return (postfile);
}
}
/*
* The newsgroups could be a comma-seperated list. It need not have
* spaces, but deal with any that may also have been hex escaped. - FM
*/
StrAllocCopy(NewsGroups, newsgroups);
if ((cp = strstr(NewsGroups, ";ref="))) {
*cp = '\0';
cp += 5;
if (*cp == '<') {
StrAllocCopy(References, cp);
} else {
StrAllocCopy(References, "<");
StrAllocCat(References, cp);
StrAllocCat(References, ">");
}
HTUnEscape(References);
if (!((cp = strchr(References, '@')) && cp > References + 1 &&
isalnum(UCH(cp[1])))) {
FREE(References);
}
}
HTUnEscape(NewsGroups);
if (!*NewsGroups) {
LYCloseTempFP(fd); /* Close the temp file. */
goto cleanup;
}
/*
* Allow ^C to cancel the posting, i.e., don't let SIGINTs exit Lynx.
*/
signal(SIGINT, terminate_message);
term_message = FALSE;
/*
* Show the list of newsgroups. - FM
*/
LYclear();
LYmove(2, 0);
scrollok(LYwin, TRUE); /* Enable scrolling. */
LYaddstr(gettext("You will be posting to:"));
LYaddstr("\n\t");
LYaddstr(NewsGroups);
LYaddch('\n');
/*
* Get the mail address for the From header, offering personal_mail_address
* as default.
*/
LYaddstr(gettext("\n\n Please provide your mail address for the From: header\n"));
sprintf(user_input, "From: %.*s", (int) sizeof(user_input) - 8,
NonNull(personal_mail_address));
if (LYgetstr(user_input, VISIBLE,
sizeof(user_input), NORECALL) < 0 ||
term_message) {
HTInfoMsg(NEWS_POST_CANCELLED);
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
goto cleanup;
}
fprintf(fd, "%s\n", user_input);
/*
* Get the Subject header, offering the current document's title as the
* default if this is a followup rather than a new post. - FM
*/
LYaddstr(gettext("\n\n Please provide or edit the Subject: header\n"));
strcpy(user_input, "Subject: ");
if ((followup == TRUE && nhist > 0) &&
(kp = HText_getTitle()) != NULL) {
/*
* Add the default subject.
*/
kp = LYSkipCBlanks(kp);
#ifdef CJK_EX /* 1998/05/15 (Fri) 09:10:38 */
if (HTCJK == JAPANESE) {
CJKinput[0] = '\0';
switch (kanji_code) {
case EUC:
TO_EUC((const unsigned char *) kp, (unsigned char *) CJKinput);
kp = CJKinput;
break;
case SJIS:
TO_SJIS((const unsigned char *) kp, (unsigned char *) CJKinput);
kp = CJKinput;
break;
default:
break;
}
}
#endif
if (strncasecomp(kp, "Re:", 3)) {
strcat(user_input, "Re: ");
}
len = (int) strlen(user_input);
LYstrncpy(user_input + len, kp, (int) sizeof(user_input) - len - 1);
}
cp = NULL;
if (LYgetstr(user_input, VISIBLE,
sizeof(user_input), NORECALL) < 0 ||
term_message) {
HTInfoMsg(NEWS_POST_CANCELLED);
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
goto cleanup;
}
fprintf(fd, "%s\n", user_input);
/*
* Add Organization: header.
*/
StrAllocCopy(cp, "Organization: ");
if ((org = LYGetEnv("ORGANIZATION")) != NULL) {
StrAllocCat(cp, org);
} else if ((org = LYGetEnv("NEWS_ORGANIZATION")) != NULL) {
StrAllocCat(cp, org);
}
#ifdef UNIX
else if ((fp = fopen("/etc/organization", TXT_R)) != NULL) {
char *buffer = 0;
if (LYSafeGets(&buffer, fp) != NULL) {
if (user_input[0] != '\0') {
LYTrimNewline(buffer);
StrAllocCat(cp, buffer);
}
}
FREE(buffer);
LYCloseInput(fp);
}
#else
#ifdef _WINDOWS /* 1998/05/14 (Thu) 17:47:01 */
else {
char *p, fname[LY_MAXPATH];
strcpy(fname, LynxSigFile);
p = strrchr(fname, '/');
if (p != 0 && (p - fname) < sizeof(fname) - 15) {
strcpy(p + 1, "LYNX_ETC.TXT");
if ((fp = fopen(fname, TXT_R)) != NULL) {
if (fgets(user_input, sizeof(user_input), fp) != NULL) {
if ((org = strchr(user_input, '\n')) != NULL) {
*org = '\0';
}
if (user_input[0] != '\0') {
StrAllocCat(cp, user_input);
}
}
LYCloseInput(fp);
}
}
}
#endif /* _WINDOWS */
#endif /* !UNIX */
LYstrncpy(user_input, cp, (sizeof(user_input) - 16));
FREE(cp);
LYaddstr(gettext("\n\n Please provide or edit the Organization: header\n"));
if (LYgetstr(user_input, VISIBLE,
sizeof(user_input), NORECALL) < 0 ||
term_message) {
HTInfoMsg(NEWS_POST_CANCELLED);
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
goto cleanup;
}
fprintf(fd, "%s\n", user_input);
if (References) {
fprintf(fd, "References: %s\n", References);
}
/*
* Add Newsgroups Summary and Keywords headers.
*/
fprintf(fd, "Newsgroups: %s\nSummary: \nKeywords: \n\n", NewsGroups);
/*
* Have the user create the message body.
*/
if (!no_editor && non_empty(editor)) {
if (followup && nhist > 0) {
/*
* Ask if the user wants to include the original message.
*/
if (term_message) {
_statusline(INC_ORIG_MSG_PROMPT);
} else if (HTConfirm(INC_ORIG_MSG_PROMPT) == YES) {
/*
* The 'TRUE' will add the reply ">" in front of every line.
* We're assuming that if the display character set is Japanese
* and the document did not have a CJK charset, any non-EUC or
* non-SJIS 8-bit characters in it where converted to 7-bit
* equivalents. - FM
*/
print_wwwfile_to_fd(fd, FALSE, TRUE);
}
}
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
if (term_message || LYCharIsINTERRUPT(c))
goto cleanup;
/*
* Spawn the user's editor on the news file.
*/
edit_temporary_file(my_tempfile, "", SPAWNING_EDITOR_FOR_NEWS);
nonempty = message_has_content(my_tempfile, &nonspaces);
} else {
/*
* Use the built in line editior.
*/
LYaddstr(gettext("\n\n Please enter your message below."));
LYaddstr(gettext("\n When you are done, press enter and put a single period (.)"));
LYaddstr(gettext("\n on a line and press enter again."));
LYaddstr("\n\n");
LYrefresh();
*user_input = '\0';
if (LYgetstr(user_input, VISIBLE,
sizeof(user_input), NORECALL) < 0 ||
term_message) {
HTInfoMsg(NEWS_POST_CANCELLED);
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
goto cleanup;
}
while (!STREQ(user_input, ".") && !term_message) {
LYaddch('\n');
fprintf(fd, "%s\n", user_input);
if (!nonempty && strlen(user_input))
nonempty = TRUE;
*user_input = '\0';
if (LYgetstr(user_input, VISIBLE,
sizeof(user_input), NORECALL) < 0) {
HTInfoMsg(NEWS_POST_CANCELLED);
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
goto cleanup;
}
}
fprintf(fd, "\n");
LYCloseTempFP(fd); /* Close the temp file. */
scrollok(LYwin, FALSE); /* Stop scrolling. */
}
if (nonempty) {
/*
* Confirm whether to post, and if so, whether to append the sig file.
* - FM
*/
LYStatusLine = (LYlines - 1);
c = HTConfirm(POST_MSG_PROMPT);
LYStatusLine = -1;
if (c != YES) {
LYclear(); /* clear the screen */
goto cleanup;
}
} else {
HTAlert(gettext("Message has no original text!"));
if (!nonspaces
|| HTConfirmDefault(POST_MSG_PROMPT, NO) != YES)
goto cleanup;
}
if ((LynxSigFile != NULL) && (fp = fopen(LynxSigFile, TXT_R)) != NULL) {
char *msg = NULL;
HTSprintf0(&msg, APPEND_SIG_FILE, LynxSigFile);
LYStatusLine = (LYlines - 1);
if (term_message) {
_user_message(APPEND_SIG_FILE, LynxSigFile);
} else if (HTConfirm(msg) == YES) {
if ((fd = LYAppendToTxtFile(my_tempfile)) != NULL) {
char *buffer = NULL;
fputs("-- \n", fd);
while (LYSafeGets(&buffer, fp) != NULL) {
fputs(buffer, fd);
}
LYCloseOutput(fd);
}
}
LYCloseInput(fp);
FREE(msg);
LYStatusLine = -1;
}
LYclear(); /* clear the screen */
/*
* If we are using a Japanese display character set, convert the contents
* of the temp file to JIS (nothing should change if it does not, in fact,
* contain EUC or SJIS di-bytes). Otherwise, use the temp file as is. -
* FM
*/
if (CJKfile[0] != '\0') {
if ((fd = fopen(my_tempfile, TXT_R)) != NULL) {
char *buffer = NULL;
while (LYSafeGets(&buffer, fd) != NULL) {
TO_JIS((unsigned char *) buffer,
(unsigned char *) CJKinput);
fputs(CJKinput, fc);
}
LYCloseTempFP(fc);
StrAllocCopy(postfile, CJKfile);
LYCloseInput(fd);
LYRemoveTemp(my_tempfile);
strcpy(my_tempfile, CJKfile);
CJKfile[0] = '\0';
} else {
StrAllocCopy(postfile, my_tempfile);
}
} else {
StrAllocCopy(postfile, my_tempfile);
}
if (!followup) {
/*
* If it's not a followup, the current document most likely is the
* group listing, so force a to have the article show up in the list
* after the posting. Note, that if it's a followup via a link in a
* news article, the user must do a reload manually on returning to the
* group listing. - FM
*/
LYforce_no_cache = TRUE;
}
LYStatusLine = (LYlines - 1);
HTUserMsg(POSTING_TO_NEWS);
LYStatusLine = -1;
/*
* Come here to cleanup and exit.
*/
cleanup:
#ifndef VMS
signal(SIGINT, cleanup_sig);
#endif /* !VMS */
term_message = FALSE;
if (!postfile)
LYRemoveTemp(my_tempfile);
LYRemoveTemp(CJKfile);
FREE(NewsGroups);
FREE(References);
return (postfile);
}
PUBLIC int change_form_link ARGS6(
struct link *, form_link,
int, mode,
document *, newdoc,
BOOLEAN *, refresh_screen,
char *, link_name,
char *, link_value)
{
FormInfo *form = form_link->form;
int c = DO_NOTHING;
int OrigNumValue;
/*
* If there is no form to perform action on, don't do anything.
*/
if (form == NULL) {
return(c);
}
/*
* Move to the link position.
*/
move(form_link->ly, form_link->lx);
switch(form->type) {
case F_CHECKBOX_TYPE:
if (form->disabled == YES)
break;
if (form->num_value) {
form_link->hightext = unchecked_box;
form->num_value = 0;
} else {
form_link->hightext = checked_box;
form->num_value = 1;
}
break;
case F_OPTION_LIST_TYPE:
if (!form->select_list) {
HTAlert(BAD_HTML_NO_POPUP);
c = DO_NOTHING;
break;
}
if (form->disabled == YES) {
int dummy;
dummy = popup_options(form->num_value, form->select_list,
form_link->ly, form_link->lx, form->size,
form->size_l, form->disabled);
#if defined(FANCY_CURSES) || defined(USE_SLANG)
if (!enable_scrollback)
#if defined(VMS) && !defined(USE_SLANG)
c = DO_NOTHING;
#else
c = 23; /* CTRL-W refresh without clearok */
#endif /* VMS && !USE_SLANG */
else
#endif /* FANCY_CURSES || USE_SLANG */
c = 12; /* CTRL-L for repaint */
break;
}
HTStream *HTCompressed( HTPresentation *pres, HTParentAnchor *anchor, HTStream *sink )
{
int eax;
HTStream *me;
HTFormat format;
char *type = 0;
HTPresentation *Pres = 0;
HTPresentation *Pnow = 0;
int n, i;
BOOLEAN can_present = 0;
char fnam[256];
char temp[256];
char *suffix;
char *uncompress_mask = 0;
char *compress_suffix = "";
char *middle;
if ( anchor == 0 || anchor->content_encoding == 0 || anchor->content_type == 0 )
{
format = HTAtom_for( "application/octet-stream" );
me = HTStreamStack( format, &pres->rep_out, &sink->isa->name[0], anchor );
return me;
}
else
{
n = HTList_count( HTPresentations );
i = 0;
for ( ; i < n; i++ )
{
Pnow = (HTPresentation*)HTList_objectAt( HTPresentations, i );
if ( strcasecomp( (char*)Pnow->rep_out, &anchor->content_type ) == 0 && Pnow->rep_out == HTAtom_for( "www/present" ) )
{
char *program = "";
if ( Pres == 0 )
Pres = Pnow;
else
if ( Pres->quality <= Pnow->quality )
Pres = Pnow;
can_present = 1;
switch ( HTEncodingToCompressType( &anchor->content_encoding ) )
{
case 2:
program = HTGetProgramPath( 6 );
if ( program )
{
HTSACopy( &uncompress_mask, program );
HTSACat( &uncompress_mask, " -d --no-name %s" );
compress_suffix = "gz";
}
break;
case 4:
program = HTGetProgramPath( 7 );
if ( program )
{
HTSACopy( &uncompress_mask, program );
HTSACat( &uncompress_mask, " %s" );
compress_suffix = "zz";
}
break;
case 3:
program = HTGetProgramPath( 1 );
if ( program )
{
HTSACopy( &uncompress_mask, program );
HTSACat( &uncompress_mask, " -d %s" );
compress_suffix = "bz2";
}
break;
case 1:
program = HTGetProgramPath( 19 );
if ( program )
{
HTSACopy( &uncompress_mask, program );
HTSACat( &uncompress_mask, " %s" );
compress_suffix = "Z";
}
break;
}
}
// i++;
}
if ( can_present == 0 || uncompress_mask == 0 || strchr( &anchor->content_type, ';' ) || HTOutputFormat == HTAtom_for( "www/download" ) || !strcasecomp( &pres->rep_out->name, "www/download" ) || ( traversal && strcasecomp( &anchor->content_type, "text/html" ) && strcasecomp( &anchor->content_type, "text/plain" ) ) )
{
if ( strchr( &anchor->content_encoding, '/' ) == 0 )
{
if ( strncasecomp( &anchor->content_encoding, "x-", 2 ) == 0 )
HTSACopy( &type, "application/" );
else
HTSACopy( &type, "application/x-" );
HTSACat( &type, &anchor->content_encoding );
}
else
HTSACopy( &type, &anchor->content_encoding );
format = HTAtom_for( type );
if ( type )
{
free( type );
type = 0;
}
if ( uncompress_mask )
{
free( uncompress_mask );
uncompress_mask = 0;
}
me = HTStreamStack( format, &pres->rep_out, &sink->isa->name[0], anchor );
return me;
}
else
{
me = calloc( 1, sizeof( HTStream ) );
if ( me == 0 )
outofmem( "./HTFWriter.c", "HTCompressed" );
me->isa->name[0] = HTFWriter.name;
me->input_format = pres->rep->next;
me->output_format = pres->rep_out;
me->anchor = anchor;
me->sink = sink;
if ( anchor->FileCache )
{
LYRemoveTemp( &anchor->FileCache );
if ( anchor->FileCache )
{
free( &anchor->FileCache );
anchor->FileCache = 0;
}
}
middle = 0;
if ( strcasecomp( &anchor->content_type, "text/html" ) == 0 )
{
middle = ".html";
middle++;
}
else
{
if ( strncasecomp( &anchor->content_type, "text/", 5 ) == 0 )
middle = "txt";
else
{
if ( strncasecomp( &anchor->content_type, "application/", 12 ) == 0 )
middle = "bin";
else
{
suffix = HTFileSuffix( HTAtom_for( &anchor->content_type ), 0 );
if ( suffix && suffix[0] == '.' )
middle = &suffix[1];
}
}
}
temp[0] = 0;
if ( middle )
{
memcpy( temp[0] + strlen( temp ) );
strcat( temp, middle );
strcat( temp, "." );
}
strcat( temp, compress_suffix );
me->fp = LYOpenTemp( fnam, temp, "wb" );
if ( me->fp == 0 )
{
HTAlert( gettext( "Can't open temporary file!" ) );
if ( uncompress_mask )
{
free( uncompress_mask );
uncompress_mask = 0;
}
if ( me )
{
free( me );
me = 0;
}
return 0;
}
else
{
if ( dump_output_immediately == 0 && traversal == 0 && ( Pres->quality < 999.000000000000 || ( no_exec == 0 && ( local_exec || ( local_exec_on_local_files && ( LYJumpFileURL || strncmp( &anchor->address, "file://localhost", 16 ) == 0 ) ) ) ) ) )
HTSACopy( &me->viewer_command, &Pres->command );
if ( compress_suffix[0] == 'g' && me->viewer_command == 0 )
HTSACopy( &me->end_command, "" );
else
{
*(int*)&me->end_command = 0;
HTAddParam( &me->end_command, uncompress_mask, 1, fnam );
HTEndParam( &me->end_command, uncompress_mask, 1 );
}
if ( uncompress_mask )
{
free( uncompress_mask );
uncompress_mask = 0;
}
*(int*)&me->remove_command = 0;
HTAddParam( &me->remove_command, "%s", 1, fnam );
HTEndParam( &me->remove_command, "%s", 1 );
HTSACopy( &anchor->FileCache, fnam );
return me;
}
}
}
}
/* Push data from a socket down a stream
** -------------------------------------
**
** This routine is responsible for creating and PRESENTING any
** graphic (or other) objects described by the file.
**
** The file number given is assumed to be a TELNET stream, i.e., containing
** CRLF at the end of lines which need to be stripped to LF for unix
** when the format is textual.
**
** State of socket and target stream on entry:
** socket (file_number) assumed open,
** target (sink) assumed valid.
**
** Return values:
** HT_INTERRUPTED Interruption or error after some data received.
** -2 Unexpected disconnect before any data received.
** -1 Interruption or error before any data received, or
** (UNIX) other read error before any data received, or
** download cancelled.
** HT_LOADED Normal close of socket (end of file indication
** received), or
** unexpected disconnect after some data received, or
** other read error after some data received, or
** (not UNIX) other read error before any data received.
**
** State of socket and target stream on return depends on return value:
** HT_INTERRUPTED socket still open, target aborted.
** -2 socket still open, target stream still valid.
** -1 socket still open, target aborted.
** otherwise socket closed, target stream still valid.
*/
PUBLIC int HTCopy ARGS4(
HTParentAnchor *, anchor,
int, file_number,
void*, handle GCC_UNUSED,
HTStream*, sink)
{
HTStreamClass targetClass;
BOOL suppress_readprogress = NO;
int bytes;
int rv = 0;
/* Push the data down the stream
*/
targetClass = *(sink->isa); /* Copy pointers to procedures */
/* Push binary from socket down sink
**
** This operation could be put into a main event loop
*/
HTReadProgress(bytes = 0, 0);
for (;;) {
int status;
if (LYCancelDownload) {
LYCancelDownload = FALSE;
(*targetClass._abort)(sink, NULL);
rv = -1;
goto finished;
}
if (HTCheckForInterrupt()) {
_HTProgress (TRANSFER_INTERRUPTED);
(*targetClass._abort)(sink, NULL);
if (bytes)
rv = HT_INTERRUPTED;
else
rv = -1;
goto finished;
}
#ifdef USE_SSL
if (handle)
status = SSL_read((SSL *)handle, input_buffer, INPUT_BUFFER_SIZE);
else
status = NETREAD(file_number, input_buffer, INPUT_BUFFER_SIZE);
#else
status = NETREAD(file_number, input_buffer, INPUT_BUFFER_SIZE);
#endif /* USE_SSL */
if (status <= 0) {
if (status == 0) {
break;
} else if (status == HT_INTERRUPTED) {
_HTProgress (TRANSFER_INTERRUPTED);
(*targetClass._abort)(sink, NULL);
if (bytes)
rv = HT_INTERRUPTED;
else
rv = -1;
goto finished;
} else if (SOCKET_ERRNO == ENOTCONN ||
#ifdef _WINDOWS /* 1997/11/10 (Mon) 16:57:18 */
SOCKET_ERRNO == ETIMEDOUT ||
#endif
SOCKET_ERRNO == ECONNRESET ||
SOCKET_ERRNO == EPIPE) {
/*
* Arrrrgh, HTTP 0/1 compatibility problem, maybe.
*/
if (bytes <= 0) {
/*
* Don't have any data, so let the calling
* function decide what to do about it. - FM
*/
rv = -2;
goto finished;
} else {
#ifdef UNIX
/*
* Treat what we've received already as the complete
* transmission, but not without giving the user
* an alert. I don't know about all the different
* TCP stacks for VMS etc., so this is currently
* only for UNIX. - kw
*/
HTInetStatus("NETREAD");
HTAlert("Unexpected server disconnect.");
CTRACE((tfp,
"HTCopy: Unexpected server disconnect. Treating as completed.\n"));
status = 0;
break;
#else /* !UNIX */
/*
* Treat what we've gotten already
* as the complete transmission. - FM
*/
CTRACE((tfp,
"HTCopy: Unexpected server disconnect. Treating as completed.\n"));
status = 0;
break;
#endif /* UNIX */
}
#ifdef UNIX
} else { /* status < 0 and other errno */
/*
* Treat what we've received already as the complete
* transmission, but not without giving the user
* an alert. I don't know about all the different
* TCP stacks for VMS etc., so this is currently
* only for UNIX. - kw
*/
HTInetStatus("NETREAD");
HTAlert("Unexpected read error.");
if (bytes) {
(void)NETCLOSE(file_number);
rv = HT_LOADED;
} else {
(*targetClass._abort)(sink, NULL);
rv = -1;
}
goto finished;
#endif
}
break;
}
/*
* Suppress ReadProgress messages when collecting a redirection
* message, at least initially (unless/until anchor->content_type
* gets changed, probably by the MIME message parser). That way
* messages put up by the HTTP module or elsewhere can linger in
* the statusline for a while. - kw
*/
suppress_readprogress = (anchor && anchor->content_type &&
!strcmp(anchor->content_type,
"message/x-http-redirection"));
#ifdef NOT_ASCII
{
char * p;
for (p = input_buffer; p < input_buffer+status; p++) {
*p = FROMASCII(*p);
}
}
#endif /* NOT_ASCII */
(*targetClass.put_block)(sink, input_buffer, status);
bytes += status;
if (!suppress_readprogress)
HTReadProgress(bytes, anchor ? anchor->content_length : 0);
HTDisplayPartial();
} /* next bufferload */
_HTProgress(TRANSFER_COMPLETE);
(void)NETCLOSE(file_number);
rv = HT_LOADED;
finished:
HTFinishDisplayPartial();
return(rv);
}
void HTFWriter_free( HTStream *me )
{
int len;
char *path = 0;
char *addr = 0;
int status;
BOOLEAN use_zread = 0;
BOOLEAN found = 0;
if ( me->fp )
fflush( &me->fp );
if ( me->end_command )
{
LYCloseTempFP( &me->fp );
if ( me->input_format == HTAtom_for( "www/compressed" ) )
{
if ( me->anchor->FileCache )
{
BOOLEAN skip_loadfile = me->viewer_command != 0;
HTSACopy( &path, &me->anchor->FileCache );
len = strlen( path );
if ( len > 3 && ( strcasecomp( &path[ len + -2 ], "gz" ) == 0 || strcasecomp( &path[ len + -2 ], "zz" ) == 0 ) )
{
if ( skip_loadfile == 0 )
use_zread = 1;
else
{
path[ len + -3 ] = 0;
remove( path );
}
}
else
if ( len > 4 && strcasecomp( &path[ len + -3 ], "bz2" ) == 0 )
{
path[ len + -4 ] = 0;
remove( path );
}
else
if ( len > 2 && strcasecomp( &path[ len + -1 ], "Z" ) == 0 )
{
path[ len + -2 ] = 0;
remove( path );
}
if ( use_zread == 0 )
{
if ( dump_output_immediately == 0 )
{
mustshow = 1;
HTProgress( &me->end_command );
}
if ( me->end_command && me->end_command[0] )
LYSystem( &me->end_command );
found = LYCanReadFile( &me->anchor->FileCache );
}
if ( found )
{
if ( dump_output_immediately == 0 )
{
lynx_force_repaint( );
LYrefresh( );
}
HTAlert( gettext( "Error uncompressing temporary file!" ) );
LYRemoveTemp( &me->anchor->FileCache );
if ( me->anchor->FileCache )
{
free( &me->anchor->FileCache );
me->anchor->FileCache = 0;
}
}
else
{
LYLocalFileToURL( &addr, path );
if ( use_zread == 0 )
{
LYRenamedTemp( &me->anchor->FileCache, path );
HTSACopy( &me->anchor->FileCache, path );
HTSACopy( &me->anchor->content_encoding, "binary" );
}
if ( path )
{
free( path );
path = 0;
}
if ( skip_loadfile == 0 )
{
if ( HTAnchor_getUCLYhndl( &me->anchor, 1 ) < 0 )
HTAnchor_copyUCInfoStage( &me->anchor, 1, 0, 2 );
HTAnchor_copyUCInfoStage( &me->anchor, 1, 0, -1 );
}
if ( dump_output_immediately == 0 )
{
LYstore_message2( gettext( "Using %s" ), addr );
}
if ( skip_loadfile )
{
if ( me->end_command )
{
free( &me->end_command );
*(int*)&me->end_command = 0;
}
HTAddParam( &me->end_command, &me->viewer_command, 1, &me->anchor->FileCache );
HTEndParam( &me->end_command, &me->viewer_command, 1 );
if ( dump_output_immediately == 0 )
{
HTProgress( &me->end_command );
stop_curses( );
}
LYSystem( &me->end_command );
if ( me->remove_command && me->remove_command )
{
free( &me->remove_command );
*(int*)&me->remove_command = 0;
}
if ( dump_output_immediately == 0 )
start_curses( );
}
else
{
status = HTLoadFile( addr, &me->anchor, &me->output_format, &me->sink );
}
if ( dump_output_immediately && me->output_format == HTAtom_for( "www/present" ) )
{
if ( addr )
{
free( addr );
addr = 0;
}
remove( &me->anchor->FileCache );
if ( me->anchor->FileCache )
{
free( &me->anchor->FileCache );
me->anchor->FileCache = 0;
}
if ( me->remove_command )
{
free( &me->remove_command );
*(int*)&me->remove_command = 0;
}
if ( me->end_command )
{
free( &me->end_command );
*(int*)&me->end_command = 0;
}
if ( me->viewer_command )
{
free( &me->viewer_command );
*(int*)&me->viewer_command = 0;
}
if ( me == 0 )
{
return;
}
free( me );
me = 0;
return;
}
}
if ( addr )
{
free( addr );
addr = 0;
}
}
if ( me->remove_command && me->remove_command )
{
free( &me->remove_command );
*(int*)&me->remove_command = 0;
}
}
else
{
if ( strcmp( &me->end_command, "SaveToFile" ) )
{
if ( dump_output_immediately == 0 )
{
mustshow = 1;
HTProgress( &me->end_command );
stop_curses( );
}
LYSystem( &me->end_command );
if ( me->remove_command && me->remove_command )
{
free( &me->remove_command );
*(int*)&me->remove_command = 0;
}
if ( dump_output_immediately == 0 )
start_curses( );
}
else
{
if ( me->remove_command && me->remove_command )
{
free( &me->remove_command );
*(int*)&me->remove_command = 0;
}
if ( dump_output_immediately == 0 )
start_curses( );
}
}
if ( me->end_command )
{
free( &me->end_command );
*(int*)&me->end_command = 0;
}
}
if ( me->viewer_command )
{
free( &me->viewer_command );
*(int*)&me->viewer_command = 0;
}
if ( dump_output_immediately )
{
if ( me->anchor->FileCache )
remove( &me->anchor->FileCache );
if ( me )
{
free( me );
me = 0;
}
if ( persistent_cookies )
LYStoreCookies( LYCookieSaveFile );
exit_immediately( 0 );
}
if ( me == 0 )
{
return;
}
free( me );
me = 0;
return;
}
HTStream *HTSaveToFile( HTPresentation *pres, HTParentAnchor *anchor, HTStream *sink )
{
int eax;
HTStream *ret_obj;
char fnam[256];
char *suffix;
char *cp;
int c = 0;
BOOLEAN IsBinary = 1;
ret_obj = calloc( 1, sizeof( HTStream ) );
if ( ret_obj == 0 )
outofmem( "./HTFWriter.c", "HTSaveToFile" );
ret_obj->isa->name[0] = HTFWriter.name;
*(int*)&ret_obj->remove_command = 0;
*(int*)&ret_obj->end_command = 0;
ret_obj->input_format = pres->rep->next;
ret_obj->output_format = pres->rep_out;
ret_obj->anchor = anchor;
ret_obj->sink = sink;
if ( dump_output_immediately )
{
ret_obj->fp = stdout;
if ( HTOutputFormat != HTAtom_for( "www/download" ) )
return ret_obj;
}
else
{
LYCancelDownload = 0;
if ( HTOutputFormat != HTAtom_for( "www/download" ) )
{
if ( traversal || ( no_download && !override_no_download && no_disk_save ) )
{
if ( traversal == 0 )
{
HTAlert( gettext( "This file cannot be displayed on this terminal." ) );
}
LYCancelDownload = 1;
if ( traversal )
LYCancelledFetch = 1;
if ( ret_obj )
{
free( ret_obj );
ret_obj = 0;
}
return 0;
}
else
{
cp = strchr( (char*)pres->rep_out, ';' );
if ( cp && strstr( &cp[1], "charset" ) )
{
mustshow = 1;
user_message( gettext( "%s D)ownload, or C)ancel" ), (char*)pres->rep_out );
while ( 1 )
{
switch ( c )
{
case -1:
if ( keymap[0] != 47 )
{
c = LYgetch_single( );
}
break;
default:
if ( c & 34816 )
{
if ( ( c & 255 ) != 47 )
continue;
}
else
if ( keymap[ ( c & 2047 ) + 1 ] != 47 )
continue;
break;
}
switch ( c )
{
case -1:
if ( keymap[0] == 47 )
{
mustshow = 1;
statusline( gettext( "Cancelling file." ) );
LYCancelDownload = 1;
if ( ret_obj )
{
free( ret_obj );
ret_obj = 0;
}
return 0;
}
break;
default:
if ( c & 34816 )
{
if ( ( c & 255 ) == 47 )
continue;
}
else
if ( keymap[ ( c & 2047 ) + 1 ] == 47 )
continue;
break;
}
}
}
else
if ( pres->rep_out->next )
{
mustshow = 1;
user_message( gettext( "%s D)ownload, or C)ancel" ), (char*)pres->rep_out );
}
else
{
mustshow = 1;
statusline( gettext( "This file cannot be displayed on this terminal: D)ownload, or C)ancel" ) );
}
}
}
if ( LYCachedTemp( fnam, &anchor->FileCache ) & 255 )
{
ret_obj->fp = LYOpenTempRewrite( fnam, ".bin", "wb" );
}
else
{
if ( strcasecomp( (char*)pres->rep_out, "text/html" ) == 0 )
suffix = ".html";
else
{
if ( strncasecomp( (char*)pres->rep_out, "text/", 5 ) == 0 )
suffix = ".txt";
else
{
if ( strncasecomp( (char*)pres->rep_out, "application/", 12 ) == 0 )
suffix = ".bin";
else
{
suffix = HTFileSuffix( &pres->rep->next, &anchor->content_encoding );
if ( suffix == 0 || suffix[0] != '.' )
suffix = ".html";
}
}
}
ret_obj->fp = LYOpenTemp( fnam, suffix, "wb" );
}
if ( ret_obj->fp == 0 )
{
HTAlert( gettext( "Can't open output file! Cancelling!" ) );
if ( ret_obj )
{
free( ret_obj );
ret_obj = 0;
}
return 0;
}
else
{
if ( strncasecomp( (char*)pres->rep_out, "text/", 5 ) == 0 || strcasecomp( (char*)pres->rep_out, "application/postscript" ) == 0 || strcasecomp( (char*)pres->rep_out, "application/x-RUNOFF-MANUAL" ) == 0 )
IsBinary = 0;
HTInfoMsg2( gettext( "Content-type: %s" ), (char*)pres->rep_out );
HTSACopy( &WWW_Download_File, fnam );
*(int*)&ret_obj->remove_command = 0;
HTAddParam( &ret_obj->remove_command, "%s", 1, fnam );
HTEndParam( &ret_obj->remove_command, "%s", 1 );
HTSACopy( &ret_obj->end_command, "SaveToFile" );
mustshow = 1;
statusline( gettext( "Retrieving file. - PLEASE WAIT -" ) );
HTSACopy( &anchor->FileCache, fnam );
}
}
if ( LYPrependBaseToSource && strncasecomp( (char*)pres->rep_out, "text/html", 9 ) == 0 && anchor->content_encoding == 0 )
{
char *temp = 0;
if ( anchor->content_base && anchor->content_base[0] )
HTSACopy( &temp, &anchor->content_base );
else
if ( anchor->content_location && anchor->content_location[0] )
HTSACopy( &temp, &anchor->content_location );
if ( temp )
{
LYRemoveBlanks( temp );
if ( !is_url( temp ) && temp )
{
free( temp );
temp = 0;
}
}
fprintf( &ret_obj->fp, "<!-- X-URL: %s -->\n", &anchor->address );
if ( anchor->date && anchor->date[0] )
{
fprintf( &ret_obj->fp, "<!-- Date: %s -->\n", &anchor->date );
if ( anchor->last_modified && anchor->last_modified[0] && strcmp( &anchor->last_modified, &anchor->date ) && strcmp( &anchor->last_modified, "Thu, 01 Jan 1970 00:00:01 GMT" ) )
fprintf( &ret_obj->fp, "<!-- Last-Modified: %s -->\n", &anchor->last_modified );
}
fprintf( &ret_obj->fp, "<BASE HREF=\"%s\">\n\n", temp ? temp : &anchor->address );
if ( temp )
{
free( temp );
}
}
if ( LYPrependCharsetToSource && strncasecomp( (char*)pres->rep_out, "text/html", 9 ) == 0 && anchor->content_encoding == 0 )
{
char *temp = 0;
if ( anchor->charset && anchor->charset[0] )
{
HTSACopy( &temp, &anchor->charset );
LYRemoveBlanks( temp );
fprintf( &ret_obj->fp, "<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=%s\">\n\n", temp );
}
if ( temp )
{
free( temp );
}
}
return ret_obj;
}
/* Take action using a system command
* ----------------------------------
*
* originally from Ghostview handling by Marc Andreseen.
* Creates temporary file, writes to it, executes system command
* on end-document. The suffix of the temp file can be given
* in case the application is fussy, or so that a generic opener can
* be used.
*/
HTStream *HTSaveAndExecute(HTPresentation *pres,
HTParentAnchor *anchor, /* Not used */
HTStream *sink) /* Not used */
#ifdef UNIX
#define REMOVE_COMMAND "/bin/rm -f %s\n"
#endif
#ifdef VMS
#define REMOVE_COMMAND "delete/noconfirm/nolog %s.."
#endif
#ifdef REMOVE_COMMAND
{
char *fnam;
const char *suffix;
HTStream *me;
if (HTClientHost) {
HTAlert(CANNOT_SAVE_REMOTE);
return HTBlackHole();
}
me = (HTStream *) malloc(sizeof(*me));
if (me == NULL)
outofmem(__FILE__, "Save and execute");
me->isa = &HTFWriter;
/* Save the file under a suitably suffixed name */
suffix = HTFileSuffix(pres->rep, anchor->content_encoding);
fnam = (char *) malloc(L_tmpnam + 16 + strlen(suffix));
if (fnam == NULL)
outofmem(__FILE__, "HTSaveAndExecute");
tmpnam(fnam);
strcat(fnam, suffix);
me->fp = fopen(fnam, BIN_W);
if (!me->fp) {
HTAlert(CANNOT_OPEN_TEMP);
FREE(fnam);
FREE(me);
return NULL;
}
/* Make command to process file
*/
me->end_command = 0;
HTSprintf0(&(me->end_command), pres->command, fnam, fnam, fnam);
me->remove_command = NULL; /* If needed, put into end_command */
#ifdef NOPE
/* Make command to delete file
*/
me->remove_command = 0;
HTSprintf0(&(me->remove_command), REMOVE_COMMAND, fnam);
#endif
me->announce = NO;
FREE(fnam);
return me;
}
HTStream *HTSaveAndExecute( HTPresentation *pres, HTParentAnchor *anchor, HTStream *sink )
{
int eax;
char fnam[256];
char *suffix;
HTStream *me;
if ( traversal )
{
LYCancelledFetch = 1;
return 0;
}
else
{
if ( 999.000000000000 <= pres->quality )
{
if ( dump_output_immediately )
{
LYCancelledFetch = 1;
return 0;
}
else
if ( no_exec )
{
HTAlert( gettext( "Execution is disabled." ) );
}
else
if ( !local_exec && ( !local_exec_on_local_files || ( !LYJumpFileURL && strncmp( &anchor->address, "file://localhost", 16 ) ) ) )
{
char *buf = 0;
HTSprintf0( &buf, gettext( "Execution is not enabled for this file. See the Options menu (use %s)." ), key_for_func( 49 ) );
HTAlert( buf );
if ( buf )
{
free( buf );
buf = 0;
}
}
}
if ( dump_output_immediately )
{
}
else
{
me = calloc( 1, sizeof( HTStream ) );
if ( me == 0 )
outofmem( "./HTFWriter.c", "HTSaveAndExecute" );
me->isa->name[0] = HTFWriter.name;
me->input_format = pres->rep->next;
me->output_format = pres->rep_out;
me->anchor = anchor;
me->sink = sink;
if ( LYCachedTemp( fnam, &anchor->FileCache ) & 255 )
{
me->fp = LYOpenTempRewrite( fnam, ".bin", "wb" );
}
else
{
if ( strcasecomp( (char*)pres->rep_out, "text/html" ) == 0 )
suffix = ".html";
else
{
if ( strncasecomp( (char*)pres->rep_out, "text/", 5 ) == 0 )
suffix = ".txt";
else
{
suffix = HTFileSuffix( &pres->rep->next, &anchor->content_encoding );
if ( suffix == 0 || suffix[0] != '.' )
{
if ( strncasecomp( (char*)pres->rep_out, "application/", 12 ) == 0 )
suffix = ".bin";
else
suffix = ".html";
}
}
}
me->fp = LYOpenTemp( fnam, suffix, "wb" );
}
if ( me->fp == 0 )
{
HTAlert( gettext( "Can't open temporary file!" ) );
if ( me )
{
free( me );
me = 0;
}
return 0;
}
else
{
HTSACopy( &me->viewer_command, &pres->command );
me->end_command = mailcap_substitute( anchor, pres, fnam );
*(int*)&me->remove_command = 0;
HTAddParam( &me->remove_command, "%s", 1, fnam );
HTEndParam( &me->remove_command, "%s", 1 );
HTSACopy( &anchor->FileCache, fnam );
return me;
}
}
}
}
int LYShowInfo( DocInfo *doc, DocInfo *newdoc, char *owner_address )
{
int eax;
int edx;
static char tempfile[256];
int url_type;
FILE *fp0;
char *Title = 0;
char *cp;
char *temp = 0;
BOOLEAN LYInfoAdvanced = user_mode == 2;
struct stat dir_info;
static char *name;
if ( LYReuseTempfiles )
{
fp0 = LYOpenTempRewrite( tempfile, ".html", "w" );
}
else
{
LYRemoveTemp( tempfile );
fp0 = LYOpenTemp( tempfile, ".html", "w" );
}
if ( fp0 == 0 )
{
HTAlert( gettext( "Can't open temporary file!" ) );
return -1;
}
else
{
LYLocalFileToURL( &newdoc->address, tempfile );
if ( nlinks > 0 && links[ doc->link ] )
{
url_type = is_url( links[ doc->link ].lname );
switch ( url_type )
{
case 26:
case 27:
{
char *last_slash = strrchr( links[ doc->link ].lname, '/' );
int next_to_last = strlen( links[ doc->link ].lname ) + -1;
if ( next_to_last == last_slash - links[ doc->link ].lname )
links[ doc->link ].lname[ ebp_1152 ] = 0;
}
break;
}
}
label_columns = 9;
WriteInternalTitle( fp0, gettext( "Information about the current document" ) );
fprintf( fp0, "<h1>%s %s (%s) (<a href=\"%s\">%s</a>)", "Lynx", "2.8.7dev.11", LYVersionDate( ), "http://lynx.isc.org/current/", LYVersionStatus( ) );
fwrite( "</h1>\n", 1, 6, fp0 );
if ( lynx_edit_mode && nlinks > 0 )
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "Directory that you are currently viewing" ) );
temp = HTnameOfFile_WWW( &doc->address, 0, 1 );
dt_String( fp0, gettext( "Name:" ), temp );
if ( temp )
{
free( temp );
temp = 0;
}
dt_String( fp0, gettext( "URL:" ), &doc->address );
fwrite( "\n</dl>\n", 1, 7, fp0 );
temp = HTnameOfFile_WWW( links[ doc->link ].lname, 0, 1 );
if ( lstat64( temp, &dir_info.st_dev ) == -1 )
{
if ( WWW_TraceFlag )
{
fprintf( TraceFP( ), "lstat(%s) failed, errno=%d\n", temp, *(int*)(__errno_location( )) );
}
HTAlert( gettext( "Failed to obtain status of current link!" ) );
}
else
{
char modes[80];
label_columns = 16;
if ( ( dir_info.st_mode & 61440 ) == 16384 )
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "Directory that you have currently selected" ) );
}
else
if ( ( dir_info.st_mode & 61440 ) == 32768 )
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "File that you have currently selected" ) );
}
else
if ( ( dir_info.st_mode & 61440 ) == 40960 )
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "Symbolic link that you have currently selected" ) );
}
else
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "Item that you have currently selected" ) );
}
dt_String( fp0, gettext( "Full name:" ), temp );
if ( ( dir_info.st_mode & 61440 ) == 40960 )
{
char buf[1024];
int buf_size = readlink( temp, buf, 1023 );
if ( buf_size != -1 )
buf[ buf_size ] = 0;
else
{
sprintf( buf, "%.*s", 1023, gettext( "Unable to follow link" ) );
}
dt_String( fp0, gettext( "Points to file:" ), buf );
}
name = HTAA_UidToName( (int)dir_info.st_uid );
if ( name[0] )
{
dt_String( fp0, gettext( "Name of owner:" ), name );
}
name = HTAA_GidToName( (int)dir_info.st_gid );
if ( name[0] )
{
dt_String( fp0, gettext( "Group name:" ), name );
}
if ( ( dir_info.st_mode & 61440 ) == 32768 )
{
dt_Number( fp0, gettext( "File size:" ), (int)( (long)(dir_info.st_size & 0xFFFFFFFF) ), gettext( "(bytes)" ) );
}
dt_String( fp0, gettext( "Creation date:" ), ctime( &dir_info.st_ctim.tv_sec ) );
dt_String( fp0, gettext( "Last modified:" ), ctime( &dir_info.st_mtim.tv_sec ) );
dt_String( fp0, gettext( "Last accessed:" ), ctime( &dir_info.st_atim.tv_sec ) );
fwrite( "\n</dl>\n", 1, 7, fp0 );
label_columns = 9;
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "Access Permissions" ) );
modes[0] = 0;
modes[1] = 0;
modes[2] = 0;
if ( dir_info.st_mode & 256 )
{
memcpy( modes[0] + strlen( modes ) );
}
if ( dir_info.st_mode & 128 )
{
memcpy( modes[0] + strlen( modes ) );
}
if ( dir_info.st_mode & 64 )
{
if ( ( dir_info.st_mode & 61440 ) == 16384 )
{
memcpy( modes[0] + strlen( modes ) );
}
else
{
memcpy( modes[0] + strlen( modes ) );
if ( dir_info.st_mode & 2048 )
{
memcpy( modes[0] + strlen( modes ) );
}
}
}
dt_String( fp0, gettext( "Owner:" ), &modes[2] );
modes[0] = 0;
modes[1] = 0;
modes[2] = 0;
if ( dir_info.st_mode & 32 )
{
memcpy( modes[0] + strlen( modes ) );
}
if ( dir_info.st_mode & 16 )
{
memcpy( modes[0] + strlen( modes ) );
}
if ( dir_info.st_mode & 8 )
{
if ( ( dir_info.st_mode & 61440 ) == 16384 )
{
memcpy( modes[0] + strlen( modes ) );
}
else
{
memcpy( modes[0] + strlen( modes ) );
if ( dir_info.st_mode & 1024 )
{
memcpy( modes[0] + strlen( modes ) );
}
}
}
dt_String( fp0, gettext( "Group:" ), &modes[2] );
modes[0] = 0;
modes[1] = 0;
modes[2] = 0;
if ( dir_info.st_mode & 4 )
{
memcpy( modes[0] + strlen( modes ) );
}
if ( dir_info.st_mode & 2 )
{
memcpy( modes[0] + strlen( modes ) );
}
if ( dir_info.st_mode & 1 )
{
if ( ( dir_info.st_mode & 61440 ) == 16384 )
{
memcpy( modes[0] + strlen( modes ) );
}
else
{
memcpy( modes[0] + strlen( modes ) );
if ( dir_info.st_mode & 512 )
{
memcpy( modes[0] + strlen( modes ) );
}
}
}
dt_String( fp0, gettext( "World:" ), &modes[2] );
fwrite( "\n</dl>\n", 1, 7, fp0 );
}
if ( temp )
{
free( temp );
temp = 0;
}
}
else
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "File that you are currently viewing" ) );
LYformTitle( &Title, &doc->title[0] );
HTSprintf( &temp, "%s%s", Title, "" );
dt_String( fp0, gettext( "Linkname:" ), temp );
if ( temp )
{
free( temp );
temp = 0;
}
dt_String( fp0, "URL:", &doc->address );
if ( HTLoadedDocumentCharset( ) )
{
dt_String( fp0, gettext( "Charset:" ), HTLoadedDocumentCharset( ) );
}
else
{
LYUCcharset *p_in = HTAnchor_getUCInfoStage( HTMainAnchor, 1 );
if ( p_in == 0 || p_in->MIMEname == 0 || p_in->MIMEname[0] == 0 || HTAnchor_getUCLYhndl( HTMainAnchor, 1 ) < 0 )
{
p_in = HTAnchor_getUCInfoStage( HTMainAnchor, 0 );
}
if ( p_in && p_in->MIMEname && p_in->MIMEname[0] && HTAnchor_getUCLYhndl( HTMainAnchor, 0 ) >= 0 )
{
HTSprintf( &temp, "%s %s", p_in->MIMEname, gettext( "(assumed)" ) );
dt_String( fp0, gettext( "Charset:" ), &p_in->MIMEname );
if ( temp )
{
free( temp );
temp = 0;
}
}
}
cp = HText_getServer( );
if ( cp && cp[0] )
{
dt_String( fp0, gettext( "Server:" ), cp );
}
cp = HText_getDate( );
if ( cp && cp[0] )
{
dt_String( fp0, gettext( "Date:" ), cp );
}
cp = HText_getLastModified( );
if ( cp && cp[0] )
{
dt_String( fp0, gettext( "Last Mod:" ), cp );
}
if ( LYInfoAdvanced )
{
if ( HTMainAnchor && HTMainAnchor->expires )
{
dt_String( fp0, gettext( "Expires:" ), &HTMainAnchor->expires );
}
if ( HTMainAnchor && HTMainAnchor->cache_control )
{
dt_String( fp0, gettext( "Cache-Control:" ), &HTMainAnchor->cache_control );
}
if ( HTMainAnchor && HTMainAnchor->content_length > 0 )
{
dt_Number( fp0, gettext( "Content-Length:" ), HTMainAnchor->content_length, gettext( "bytes" ) );
}
else
{
dt_Number( fp0, gettext( "Length:" ), HText_getNumOfBytes( ), gettext( "bytes" ) );
}
if ( HTMainAnchor && HTMainAnchor->content_language )
{
dt_String( fp0, gettext( "Language:" ), &HTMainAnchor->content_language );
}
}
if ( doc->post_data )
{
fprintf( fp0, "<dt><em>%s</em> <xmp>%.*s</xmp>\n", gettext( "Post Data:" ), 0, 0 );
dt_String( fp0, gettext( "Post Content Type:" ), &doc->post_content_type );
}
dt_String( fp0, gettext( "Owner(s):" ), owner_address ? owner_address : gettext( "Owner(s):" ) );
dt_Number( fp0, gettext( "size:" ), HText_getNumOfLines( ), gettext( "lines" ) );
if ( lynx_mode != 2 )
{
if ( HTisDocumentSource( ) )
{
}
else
{
}
}
else
{
}
HTSACopy( &temp, gettext( "source" ) );
if ( doc->safe )
{
HTSACat( &temp, gettext( ", safe" ) );
}
if ( doc->internal_link )
{
HTSACat( &temp, gettext( ", via internal link" ) );
}
if ( LYInfoAdvanced )
{
if ( HText_hasNoCacheSet( HTMainText ) & 255 )
{
HTSACat( &temp, gettext( ", no-cache" ) );
}
if ( HTAnchor_isISMAPScript( (int)( &HTMainAnchor->parent->parent ) ) & 255 )
{
HTSACat( &temp, gettext( ", ISMAP script" ) );
}
if ( doc->bookmark )
{
HTSACat( &temp, gettext( ", bookmark file" ) );
}
}
dt_String( fp0, gettext( "mode:" ), temp );
if ( temp )
{
free( temp );
temp = 0;
}
fwrite( "\n</dl>\n", 1, 7, fp0 );
if ( nlinks > 0 )
{
fprintf( fp0, "<h2>%s</h2>\n<dl compact>", gettext( "Link that you currently have selected" ) );
dt_String( fp0, gettext( "Linkname:" ), LYGetHiliteStr( doc->link, 0 ) );
if ( lynx_mode == 2 && links[ doc->link ].type == 1 )
{
if ( links[ doc->link ].l_form->submit_method )
{
int method = links[ doc->link ].l_form->submit_method;
char *enctype = &links[ doc->link ].l_form->submit_enctype;
dt_String( fp0, gettext( "Method:" ), "POST" );
dt_String( fp0, gettext( "Enctype:" ), "application/x-www-form-urlencoded" );
}
if ( links[ doc->link ].l_form->submit_action )
{
dt_String( fp0, gettext( "Action:" ), &links[ doc->link ].l_form->submit_action );
}
if ( links[ doc->link ].l_form->submit_method == 0 || links[ doc->link ].l_form->submit_action == 0 )
{
fprintf( fp0, "<dt> %s\n", gettext( "(Form field)" ) );
}
}
else
{
dt_String( fp0, "URL:", "" );
}
fwrite( "\n</dl>\n", 1, 7, fp0 );
}
else
{
fprintf( fp0, "<h2>%s</h2>", gettext( "No Links on the current page" ) );
}
}
EndInternalPage( fp0 );
LYrefresh( );
LYCloseTemp( tempfile );
if ( Title )
{
free( Title );
Title = 0;
}
return 0;
}
}
static void send_file_to_printer(DocInfo *newdoc,
char *content_base,
char *sug_filename,
int printer_number)
{
BOOLEAN FirstRecall = TRUE;
FILE *outfile_fp;
char *the_command = 0;
bstring *my_file = NULL;
char my_temp[LY_MAXPATH];
int FnameTotal, FnameNum = -1;
lynx_list_item_type *cur_printer;
outfile_fp = LYOpenTemp(my_temp,
(HTisDocumentSource())
? HTML_SUFFIX
: TEXT_SUFFIX,
"w");
if (outfile_fp == NULL) {
CannotPrint(FILE_ALLOC_FAILED);
}
if (LYPrependBaseToSource && HTisDocumentSource()) {
/*
* Added the document's base as a BASE tag to the top of the file. May
* create technically invalid HTML, but will help get any partial or
* relative URLs resolved properly if no BASE tag is present to replace
* it. - FM
*/
fprintf(outfile_fp,
"<!-- X-URL: %s -->\n<BASE HREF=\"%s\">\n\n",
newdoc->address, content_base);
}
print_wwwfile_to_fd(outfile_fp, FALSE, FALSE); /* PRINTER */
if (keypad_mode)
printlist(outfile_fp, FALSE);
LYCloseTempFP(outfile_fp);
/* find the right printer number */
{
int count = 0;
for (cur_printer = printers;
count < printer_number;
count++, cur_printer = cur_printer->next) ; /* null body */
}
/*
* Commands have the form "command %s [%s] [etc]" where %s is the filename
* and the second optional %s is the suggested filename.
*/
if (cur_printer->command == NULL) {
CannotPrint(PRINTER_MISCONF_ERROR);
}
/*
* Check for two '%s' and ask for the second filename argument if there
* is.
*/
BStrCopy0(my_file, "");
if (HTCountCommandArgs(cur_printer->command) >= 2) {
_statusline(FILENAME_PROMPT);
again:
SetupFilename(&my_file, sug_filename);
check_again:
switch (RecallFilename(&my_file, &FirstRecall, &FnameNum,
&FnameTotal, PRINT_FLAG)) {
case FN_INIT:
goto again;
case FN_READ:
goto check_again;
case FN_QUIT:
goto done;
default:
break;
}
if (no_dotfiles || !show_dotfiles) {
if (*LYPathLeaf(my_file->str) == '.') {
HTAlert(FILENAME_CANNOT_BE_DOT);
_statusline(NEW_FILENAME_PROMPT);
FirstRecall = TRUE;
FnameNum = FnameTotal;
goto again;
}
}
/*
* Cancel if the user entered "/dev/null" on Unix, or an "nl:" path
* on VMS. - FM
*/
if (LYIsNullDevice(my_file->str)) {
CancelPrint(PRINT_REQUEST_CANCELLED);
}
HTAddSugFilename(my_file->str);
}
#ifdef SH_EX /* 1999/01/04 (Mon) 09:37:03 */
HTAddParam(&the_command, cur_printer->command, 1, my_temp);
if (!isBEmpty(my_file)) {
HTAddParam(&the_command, cur_printer->command, 2, my_file->str);
HTEndParam(&the_command, cur_printer->command, 3);
} else {
HTEndParam(&the_command, cur_printer->command, 2);
}
#else
HTAddParam(&the_command, cur_printer->command, 1, my_temp);
HTAddParam(&the_command, cur_printer->command, 2, my_file->str);
HTEndParam(&the_command, cur_printer->command, 2);
#endif
/*
* Move the cursor to the top of the screen so that output from system'd
* commands don't scroll up the screen.
*/
LYmove(1, 1);
stop_curses();
CTRACE((tfp, "command: %s\n", the_command));
SetOutputMode(O_TEXT);
printf(PRINTING_FILE);
/*
* Set various bits of document information as environment variables, for
* use by external print scripts/etc. On UNIX, We assume there are values,
* and leave NULL value checking up to the external PRINTER: cmd/script -
* KED
*/
SET_ENVIRON(LYNX_PRINT_TITLE, HText_getTitle(), "No Title");
SET_ENVIRON(LYNX_PRINT_URL, newdoc->address, "No URL");
SET_ENVIRON(LYNX_PRINT_DATE, HText_getDate(), "No Date");
SET_ENVIRON(LYNX_PRINT_LASTMOD, HText_getLastModified(), "No LastMod");
LYSystem(the_command);
FREE(the_command);
(void) LYRemoveTemp(my_temp);
/*
* Remove the various LYNX_PRINT_xxxx logicals. - KED
* [could use unsetenv(), but it's not portable]
*/
SET_ENVIRON(LYNX_PRINT_TITLE, "", "");
SET_ENVIRON(LYNX_PRINT_URL, "", "");
SET_ENVIRON(LYNX_PRINT_DATE, "", "");
SET_ENVIRON(LYNX_PRINT_LASTMOD, "", "");
fflush(stdout);
#ifndef VMS
signal(SIGINT, cleanup_sig);
#endif /* !VMS */
#ifdef SH_EX
fprintf(stdout, gettext(" Print job complete.\n"));
fflush(stdout);
#endif
SetOutputMode(O_BINARY);
LYSleepMsg();
start_curses();
done: /* send_file_to_printer() */
BStrFree(my_file);
return;
}
static void send_file_to_file(DocInfo *newdoc,
char *content_base,
char *sug_filename)
{
BOOLEAN FirstRecall = TRUE;
BOOLEAN use_cte;
const char *disp_charset;
FILE *outfile_fp;
bstring *buffer = NULL;
bstring *filename = NULL;
int FnameNum = -1;
int FnameTotal;
int c = 0;
_statusline(FILENAME_PROMPT);
retry:
SetupFilename(&filename, sug_filename);
if (lynx_save_space) {
BStrCopy0(buffer, lynx_save_space);
BStrCat(buffer, filename);
BStrCopy(filename, buffer);
} else {
BStrCopy0(buffer, "");
}
check_recall:
switch (RecallFilename(&filename, &FirstRecall, &FnameNum,
&FnameTotal, PRINT_FLAG)) {
case FN_INIT:
goto retry;
case FN_READ:
goto check_recall;
case FN_QUIT:
goto done;
default:
break;
}
if (!LYValidateFilename(&buffer, &filename)) {
CancelPrint(SAVE_REQUEST_CANCELLED);
}
/*
* See if it already exists.
*/
switch (c = LYValidateOutput(buffer->str)) {
case 'Y':
break;
case 'N':
_statusline(NEW_FILENAME_PROMPT);
FirstRecall = TRUE;
FnameNum = FnameTotal;
goto retry;
default:
goto done;
}
/*
* See if we can write to it.
*/
CTRACE((tfp, "LYPrint: filename is %s, action is `%c'\n", buffer->str, c));
#ifdef HAVE_POPEN
if (buffer->str[0] == '|') {
if (no_shell) {
HTUserMsg(SPAWNING_DISABLED);
FirstRecall = TRUE;
FnameNum = FnameTotal;
goto retry;
} else if ((outfile_fp = popen(buffer->str + 1, "w")) == NULL) {
CTRACE((tfp, "LYPrint: errno is %d\n", errno));
HTAlert(CANNOT_WRITE_TO_FILE);
_statusline(NEW_FILENAME_PROMPT);
FirstRecall = TRUE;
FnameNum = FnameTotal;
goto retry;
}
} else
#endif
if ((outfile_fp = (TOUPPER(c) == 'A'
? LYAppendToTxtFile(buffer->str)
: LYNewTxtFile(buffer->str))) == NULL) {
CTRACE((tfp, "LYPrint: errno is %d\n", errno));
HTAlert(CANNOT_WRITE_TO_FILE);
_statusline(NEW_FILENAME_PROMPT);
FirstRecall = TRUE;
FnameNum = FnameTotal;
goto retry;
}
if (LYPrependBaseToSource && HTisDocumentSource()) {
/*
* Added the document's base as a BASE tag to the top of the file. May
* create technically invalid HTML, but will help get any partial or
* relative URLs resolved properly if no BASE tag is present to replace
* it. - FM
*
* Add timestamp (last reload).
*/
fprintf(outfile_fp,
"<!-- X-URL: %s -->\n", newdoc->address);
if (HText_getDate() != NULL) {
fprintf(outfile_fp,
"<!-- Date: %s -->\n", HText_getDate());
if (HText_getLastModified() != NULL
&& strcmp(HText_getLastModified(), HText_getDate())
&& strcmp(HText_getLastModified(),
"Thu, 01 Jan 1970 00:00:01 GMT")) {
fprintf(outfile_fp,
"<!-- Last-Modified: %s -->\n", HText_getLastModified());
}
}
fprintf(outfile_fp,
"<BASE HREF=\"%s\">\n", content_base);
}
if (LYPrependCharsetToSource && HTisDocumentSource()) {
/*
* Added the document's charset as a META CHARSET tag to the top of the
* file. May create technically invalid HTML, but will help to resolve
* properly the document converted via chartrans: printed document
* correspond to a display charset and we *should* override both
* assume_local_charset and original document's META CHARSET (if any).
*
* Currently, if several META CHARSETs are found Lynx uses the first
* only, and it is opposite to BASE where the original BASE in the
* <HEAD> overrides ones from the top.
*
* As in print-to-email we write charset only if the document has 8-bit
* characters, and we have no CJK or an unofficial "x-" charset.
*/
use_cte = HTLoadedDocumentEightbit();
disp_charset = LYCharSet_UC[current_char_set].MIMEname;
if (!use_cte || LYHaveCJKCharacterSet ||
strncasecomp(disp_charset, "x-", 2) == 0) {
} else {
fprintf(outfile_fp,
"<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=%s\">\n\n",
disp_charset);
}
}
print_wwwfile_to_fd(outfile_fp, FALSE, FALSE); /* FILE */
if (keypad_mode)
printlist(outfile_fp, FALSE);
#ifdef HAVE_POPEN
if (LYIsPipeCommand(buffer->str))
pclose(outfile_fp);
else
#endif
LYCloseOutput(outfile_fp);
#ifdef VMS
if (0 == strncasecomp(buffer->str, "sys$disk:", 9)) {
if (0 == StrNCmp((buffer->str + 9), "[]", 2)) {
HTAddSugFilename(buffer->str + 11);
} else {
HTAddSugFilename(buffer->str + 9);
}
} else {
HTAddSugFilename(buffer->str);
}
#else
HTAddSugFilename(buffer->str);
#endif /* VMS */
done:
BStrFree(buffer);
BStrFree(filename);
return;
}
PUBLIC int HTLoadHTTP ARGS4 (
char *, arg,
HTParentAnchor *, anAnchor,
HTFormat, format_out,
HTStream*, sink)
{
int s; /* Socket number for returned data */
char *command; /* The whole command */
char *eol; /* End of line if found */
char *start_of_data; /* Start of body of reply */
int status; /* tcp return */
int bytes_already_read;
char crlf[3]; /* A CR LF equivalent string */
HTStream *target; /* Unconverted data */
HTFormat format_in; /* Format arriving in the message */
char *line_buffer;
char *line_kept_clean;
BOOL extensions; /* Assume good HTTP server */
int compressed;
char line[2048]; /* bumped up to cover Kerb huge headers */
int length, doing_redirect, rv;
int already_retrying = 0;
int return_nothing;
int i;
int keepingalive = 0;
char *p;
/*SWP*/
int statusError=0;
if (!arg)
{
status = -3;
HTProgress ("Bad request.");
goto done;
}
if (!*arg)
{
status = -2;
HTProgress ("Bad request.");
goto done;
}
sprintf(crlf, "%c%c", CR, LF);
/* At this point, we're talking HTTP/1.0. */
extensions = YES;
try_again:
/* All initializations are moved down here from up above,
so we can start over here... */
eol = 0;
bytes_already_read = 0;
length = 0;
doing_redirect = 0;
compressed = 0;
target = NULL;
line_buffer = NULL;
line_kept_clean = NULL;
return_nothing = 0;
/* okay... addr looks like http://hagbard.ncsa.uiuc.edu/blah/etc.html
lets crop it at the 3rd '/' */
for(p = arg,i=0;*p && i!=3;p++)
if(*p=='/') i++;
if(i==3)
i = p-arg; /* i = length not counting last '/' */
else
i = 0;
if((lsocket != -1) && i && addr && !strncmp(addr,arg,i)){
/* keepalive is active and addresses match -- try the old socket */
s = lsocket;
keepingalive = 1; /* flag in case of network error due to server timeout*/
lsocket = -1; /* prevent looping on failure */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr,
"HTTP: Keep-Alive reusing '%s'\n",addr);
#endif
/*
if (addr && *addr) {
sprintf(tmpbuf,"Reusing socket from %s.",addr);
HTProgress(tmpbuf);
}
*/
} else {
if(addr) free(addr);
/* save the address for next time around */
addr = malloc(i+1);
strncpy(addr,arg,i);
*(addr+i)=0;
keepingalive = 0; /* just normal opening of the socket */
if(lsocket != -1) NETCLOSE(lsocket); /* no socket leaks here */
lsocket = -1; /*dont assign until we know the server says okay */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr,
"HTTP: Keep-Alive saving '%s'\n",addr);
#endif
/*
if (addr && *addr) {
sprintf(tmpbuf,"Saving %s for possible socket reuse.",addr);
HTProgress(tmpbuf);
}
*/
}
if (!keepingalive) {
status = HTDoConnect (arg, "HTTP", TCP_PORT, &s);
if (status == HT_INTERRUPTED){
/* Interrupt cleanly. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr,
"HTTP: Interrupted on connect; recovering cleanly.\n");
#endif
HTProgress ("Connection interrupted.");
/* status already == HT_INTERRUPTED */
goto done;
}
if (status < 0) {
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr,
"HTTP: Unable to connect to remote host for `%s' (errno = %d).\n", arg, errno);
#endif
HTProgress ("Unable to connect to remote host.");
status = HT_NO_DATA;
goto done;
}
}
/* Ask that node for the document,
** omitting the host name & anchor
*/
{
char * p1 = HTParse(arg, "", PARSE_PATH|PARSE_PUNCTUATION);
command = malloc(5 + strlen(p1)+ 2 + 31);
if (do_post && !do_put)
strcpy(command, "POST ");
else if (do_post && do_put)
strcpy(command, "PUT ");
else if (do_head)
strcpy(command, "HEAD ");
else if (do_meta)
strcpy(command, "META ");
else
strcpy(command, "GET ");
/*
* For a gateway, the beginning '/' on the request must
* be stripped before appending to the gateway address.
*/
if ((using_gateway)||(using_proxy)) {
strcat(command, p1+1);
}
else
strcat(command, p1);
free(p1);
}
if (extensions)
{
strcat(command, " ");
strcat(command, HTTP_VERSION);
}
strcat(command, crlf); /* CR LF, as in rfc 977 */
if (extensions)
{
#ifdef SAM_NOT_YET
/* SAM This produces an absolutely huge Accept: line. While
there is probably a better way to turn this off, just
compiling it out works for now.
*/
int n, i;
if (!HTPresentations) HTFormatInit();
n = HTList_count(HTPresentations);
begin_ptr=command+strlen(command);
env_length=0;
sprintf(line, "Accept:");
env_length+=strlen(line);
StrAllocCat(command, line);
/* KCMS Accept Header - swp */
if (KCMS_Return_Format==JPEG) {
sprintf(line," image/x-pcd-jpeg,");
StrAllocCat(command, line);
env_length+=strlen(line);
}
else if (KCMS_Return_Format==JYCC) {
sprintf(line," image/x-pcd-jycc,");
StrAllocCat(command, line);
env_length+=strlen(line);
}
else if (KCMS_Return_Format==GIF) {
sprintf(line," image/x-pcd-gif,");
StrAllocCat(command, line);
env_length+=strlen(line);
}
for(i=0; i<n; i++)
{
HTPresentation * pres = HTList_objectAt(HTPresentations, i);
if (pres->rep_out == WWW_PRESENT)
{
sprintf(line, " %s,",HTAtom_name(pres->rep));
env_length+=strlen(line);
StrAllocCat(command, line);
if (env_length>200) {
if ((tmp_ptr=strrchr(command,','))!=NULL) {
*tmp_ptr='\0';
}
sprintf(line, "%c%c",CR,LF);
StrAllocCat(command, line);
begin_ptr=command+strlen(command);
sprintf(line, "Accept:");
env_length=strlen(line);
StrAllocCat(command, line);
}
}
}
/* This gets rid of the last comma. */
if ((tmp_ptr=strrchr(command,','))!=NULL) {
*tmp_ptr='\0';
sprintf(line, "%c%c",CR,LF);
StrAllocCat(command, line);
}
else { /* No accept stuff...get rid of "Accept:" */
begin_ptr='\0';
}
#endif
/* if reloading, send no-cache pragma to proxy servers. --swp */
/* original patch from Ari L. <*****@*****.**> */
if (reloading) {
sprintf(line, "Pragma: no-cache%c%c", CR, LF);
StrAllocCat(command, line);
}
/*This is just used for "not" sending this header on a proxy request*/
if (useKeepAlive) {
sprintf(line, "Connection: keep-alive%c%c", CR, LF);
StrAllocCat(command, line);
}
if (sendAgent) {
sprintf(line, "User-Agent: %s%c%c",agent[selectedAgent],CR,LF);
/*
sprintf(line, "User-Agent: %s/%s libwww/%s%c%c",
HTAppName ? HTAppName : "unknown",
HTAppVersion ? HTAppVersion : "0.0",
HTLibraryVersion, CR, LF);
*/
StrAllocCat(command, line);
}
if (sendReferer) {
/* HTTP Referer field, specifies back-link URL - amb */
if (HTReferer) {
sprintf(line, "Referer: %s%c%c", HTReferer, CR, LF);
StrAllocCat(command, line);
HTReferer = NULL;
}
}
{
char *tmp,*startPtr,*endPtr;
/* addr is always in URL form */
if (addr && !using_proxy && !using_gateway) {
tmp=strdup(addr);
startPtr=strchr(tmp,'/');
if (startPtr) {
startPtr+=2; /*now at begining of hostname*/
if (*startPtr) {
endPtr=strchr(startPtr,':');
if (!endPtr) {
endPtr=strchr(startPtr,'/');
if (endPtr && *endPtr) {
*endPtr='\0';
}
}
else {
*endPtr='\0';
}
sprintf(line, "Host: %s%c%c", startPtr, CR, LF);
StrAllocCat(command, line);
free(tmp);
tmp=startPtr=endPtr=NULL;
}
}
}
else if (using_proxy || using_gateway) {
sprintf(line, "Host: %s%c%c", proxy_host_fix, CR, LF);
StrAllocCat(command, line);
}
}
/* SWP -- 7/10/95 */
/* HTTP Extension headers */
/* Domain Restriction */
sprintf(line,"Extension: Notify-Domain-Restriction%c%c",CR,LF);
StrAllocCat(command,line);
/* BJS -- 12/05/95 -- allow arbitrary headers sent from browser */
if(extra_headers){
int h;
for(h=0;extra_headers[h];h++){
sprintf(line,"%s%c%c",extra_headers[h],CR,LF);
StrAllocCat(command,line);
}
}
{
char *docname;
char *hostname;
char *colon;
int portnumber;
char *auth;
docname = HTParse(arg, "", PARSE_PATH);
hostname = HTParse(arg, "", PARSE_HOST);
if (hostname &&
NULL != (colon = strchr(hostname, ':')))
{
*(colon++) = '\0'; /* Chop off port number */
portnumber = atoi(colon);
}
else portnumber = 80;
if (NULL!=(auth=HTAA_composeAuth(hostname, portnumber, docname)))
{
sprintf(line, "%s%c%c", auth, CR, LF);
StrAllocCat(command, line);
}
#ifndef DISABLE_TRACE
if (www2Trace)
{
if (auth)
fprintf(stderr, "HTTP: Sending authorization: %s\n", auth);
else
fprintf(stderr, "HTTP: Not sending authorization (yet)\n");
}
#endif
FREE(hostname);
FREE(docname);
}
}
if (do_post && !do_put)
{
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Doing post, content-type '%s'\n",
post_content_type);
#endif
sprintf (line, "Content-type: %s%c%c",
post_content_type ? post_content_type : "lose", CR, LF);
StrAllocCat(command, line);
{
int content_length;
if (!post_data)
content_length = 4; /* 4 == "lose" :-) */
else
content_length = strlen (post_data);
sprintf (line, "Content-length: %d%c%c",
content_length, CR, LF);
StrAllocCat(command, line);
}
StrAllocCat(command, crlf); /* Blank line means "end" */
if (post_data)
StrAllocCat(command, post_data);
else
StrAllocCat(command, "lose");
}
else if (do_post && do_put)
{
sprintf (line, "Content-length: %d%c%c",
put_file_size, CR, LF);
StrAllocCat(command, line);
StrAllocCat(command, crlf); /* Blank line means "end" */
}
else {
StrAllocCat(command, crlf); /* Blank line means "end" */
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "Writing:\n%s----------------------------------\n",
command);
#endif
/*
HTProgress ("Sending HTTP request.");
*/
status = NETWRITE(s, command, (int)strlen(command));
if (do_post && do_put) {
char buf[BUFSIZ];
int upcnt=0,n;
while (status>0) {
n=fread(buf,1,BUFSIZ-1,put_fp);
upcnt+= status = NETWRITE(s, buf, n);
#ifndef DISABLE_TRACE
if (www2Trace) {
fprintf(stderr,"[%d](%d) %s",status,n,buf);
}
#endif
if (feof(put_fp)) {
break;
}
}
if (status<0 || !feof(put_fp) || upcnt!=put_file_size) {
char tmpbuf[BUFSIZ];
sprintf(tmpbuf,"Status: %d -- EOF: %d -- UpCnt/FileSize: %d/%d\n\nThe server you connected to either does not support\nthe PUT method, or an error occurred.\n\nYour upload was corrupted! Please try again!",status,(feof(put_fp)?1:0),upcnt,put_file_size);
application_error(tmpbuf,"Upload Error!");
}
}
/* Twirl on each request to make things look nicer -- SWP */
HTCheckActiveIcon(1);
#ifndef DISABLE_TRACE
if (httpTrace) {
fprintf(stderr,"%s",command);
}
#endif
free (command);
if (status <= 0)
{
if (status == 0)
{
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Got status 0 in initial write\n");
#endif
/* Do nothing. */
}
else if
((errno == ENOTCONN || errno == ECONNRESET || errno == EPIPE) &&
!already_retrying &&
/* Don't retry if we're posting. */ !do_post)
{
/* Arrrrgh, HTTP 0/1 compability problem, maybe. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf
(stderr,
"HTTP: BONZO ON WRITE Trying again with HTTP0 request.\n");
#endif
/*
HTProgress ("Retrying as HTTP0 request.");
*/
NETCLOSE(s);
// SAM extensions = NO;
already_retrying = 1;
goto try_again;
}
else
{
if(keepingalive){
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Timeout on Keep-Alive. Retrying.\n");
#endif
HTProgress("Server Timeout: Reconnecting");
goto try_again;
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Hit unexpected network WRITE error; aborting connection.\n");
#endif
NETCLOSE (s);
status = -1;
HTProgress ("Unexpected network write error; connection aborted.");
goto done;
}
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: WRITE delivered OK\n");
#endif
HTProgress ("Done sending HTTP request; waiting for response.");
/* Read the first line of the response
** -----------------------------------
*/
{
/* Get numeric status etc */
BOOL end_of_file = NO;
int buffer_length = INIT_LINE_SIZE;
line_buffer = (char *) malloc(buffer_length * sizeof(char));
do {
/* Loop to read in the first line */
/* Extend line buffer if necessary for those crazy WAIS URLs ;-) */
if (buffer_length - length < LINE_EXTEND_THRESH) {
buffer_length = buffer_length + buffer_length;
line_buffer =
(char *) realloc(line_buffer, buffer_length * sizeof(char));
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Trying to read %d\n",
buffer_length - length - 1);
#endif
status = NETREAD(s, line_buffer + length,
buffer_length - length - 1);
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Read %d\n", status);
#endif
if (status <= 0) {
/* Retry if we get nothing back too;
bomb out if we get nothing twice. */
if (status == HT_INTERRUPTED) {
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Interrupted initial read.\n");
#endif
HTProgress ("Connection interrupted.");
status = HT_INTERRUPTED;
NETCLOSE (s);
goto clean_up;
} else
if
(status < 0 &&
(errno == ENOTCONN || errno == ECONNRESET || errno == EPIPE)
&& !already_retrying && !do_post)
{
/* Arrrrgh, HTTP 0/1 compability problem, maybe. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: BONZO Trying again with HTTP0 request.\n");
#endif
NETCLOSE(s);
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
extensions = NO;
already_retrying = 1;
HTProgress ("Retrying as HTTP0 request.");
goto try_again;
} else {
if(keepingalive){
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Timeout on Keep-Alive. Retrying.\n");
#endif
HTProgress("Server Timeout: Reconnecting");
goto try_again;
}
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Hit unexpected network read error; aborting connection; status %d.\n", status);
#endif
HTProgress
("Unexpected network read error; connection aborted.");
NETCLOSE (s);
status = -1;
goto clean_up;
}
}
bytes_already_read += status;
{
char line[256];
sprintf (line, "Read %d bytes of data.", bytes_already_read);
HTProgress (line);
}
if (status == 0) {
end_of_file = YES;
break;
}
line_buffer[length+status] = 0;
if (line_buffer) {
if (line_kept_clean)
free (line_kept_clean);
line_kept_clean = (char *)malloc (buffer_length * sizeof (char));
/*
bcopy (line_buffer, line_kept_clean, buffer_length);
*/
memcpy (line_kept_clean, line_buffer, buffer_length);
}
eol = strchr(line_buffer + length, LF);
/* Do we *really* want to do this? */
if (eol && eol != line_buffer && *(eol-1) == CR)
*(eol-1) = ' ';
length = length + status;
/* Do we really want to do *this*? */
if (eol)
*eol = 0; /* Terminate the line */
/* All we need is the first line of the response. If it's a HTTP/1.0
response, then the first line will be absurdly short and therefore
we can safely gate the number of bytes read through this code
(as opposed to below) to ~1000. */
/* Well, let's try 100. */
} while (!eol && !end_of_file && bytes_already_read < 100);
} /* Scope of loop variables */
/* We now have a terminated unfolded line. Parse it.
** -------------------------------------------------
*/
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr, "HTTP: Rx: %s\n", line_buffer);
#endif
{
int fields;
char server_version[VERSION_LENGTH+1];
int server_status;
/*SWP*/
statusError=0;
server_version[0] = 0;
fields = sscanf(line_buffer, "%20s %d",
server_version,
&server_status);
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Scanned %d fields from line_buffer\n", fields);
#endif
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: line_buffer '%s'\n", line_buffer);
#endif
/* Rule out HTTP/1.0 reply as best we can. */
if (fields < 2 || !server_version[0] || server_version[0] != 'H' ||
server_version[1] != 'T' || server_version[2] != 'T' ||
server_version[3] != 'P' || server_version[4] != '/' ||
server_version[6] != '.')
{
/* HTTP0 reply */
HTAtom * encoding;
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "--- Talking HTTP0.\n");
#endif
format_in = HTFileFormat(arg, &encoding, WWW_HTML, &compressed);
start_of_data = line_kept_clean;
}
else
{
/* Decode full HTTP response */
format_in = HTAtom_for("www/mime");
/* We set start_of_data to "" when !eol here because there
will be a put_block done below; we do *not* use the value
of start_of_data (as a pointer) in the computation of
length or anything else in this situation. */
start_of_data = eol ? eol + 1 : "";
length = eol ? length - (start_of_data - line_buffer) : 0;
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "--- Talking HTTP1.\n");
#endif
switch (server_status / 100)
{
case 3: /* Various forms of redirection */
/* We now support this in the parser, at least. */
doing_redirect = 1;
break;
case 4: /* "I think I goofed" */
switch (server_status)
{
case 403:
statusError=1;
/* 403 is "forbidden"; display returned text. */
break;
case 401:
/* length -= start_of_data - text_buffer; */
if (HTAA_shouldRetryWithAuth(start_of_data, length, s))
{
(void)NETCLOSE(s);
lsocket = -1;
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr, "%s %d %s\n",
"HTTP: close socket", s,
"to retry with Access Authorization");
#endif
HTProgress ("Retrying with access authorization information.");
goto try_again;
break;
}
else
{
statusError=1;
/* Fall through. */
}
default:
statusError=1;
break;
} /* case 4 switch */
break;
case 5: /* I think you goofed */
statusError=1;
break;
case 2: /* Good: Got MIME object */
switch (server_status)
{
case 204:
return_nothing = 1;
format_in = HTAtom_for("text/html");
break;
case 200:
if (do_head) {
if (!start_of_data || !*start_of_data) {
headData=NULL;
}
else {
char *ptr;
headData=strdup(start_of_data);
ptr=strchr(headData,'\n');
*ptr='\0';
}
}
break;
default:
break;
}
break;
default: /* bad number */
statusError=1;
HTAlert("Unknown status reply from server!");
break;
} /* Switch on server_status/100 */
} /* Full HTTP reply */
} /* scope of fields */
/* Set up the stream stack to handle the body of the message */
target = HTStreamStack(format_in,
format_out,
compressed,
sink, anAnchor);
if (!target)
{
char buffer[1024]; /* @@@@@@@@ */
sprintf(buffer, "Sorry, no known way of converting %s to %s.",
HTAtom_name(format_in), HTAtom_name(format_out));
HTProgress (buffer);
status = -1;
NETCLOSE (s);
lsocket = -1;
goto clean_up;
}
if (!return_nothing)
{
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Doing put_block, '%s'\n", start_of_data);
#endif
/* BJS: parse start_of_data...*/
for(p=start_of_data;*p;p++){
/* if(*p=='C' && !strncmp("Content-length: ",p,16)){
i = 0;
p+=16;
while(*p && isdigit(*p)){
i = i*10 + *p-'0';
p++;
}
p--;
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr, "HTTP: Content Length is %d\n",i);
#endif
}
*/
if(*p=='K' && !strncmp("Keep-Alive:",p,11)){
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Server Agrees to Keep-Alive\n");
#endif
lsocket = s;
p+=10;
}
}
#ifndef DISABLE_TRACE
if (www2Trace && lsocket == -1)
fprintf (stderr, "HTTP: Server does not agree to Keep-Alive\n");
#endif
/* Recycle the first chunk of data, in all cases. */
(*target->isa->put_block)(target, start_of_data, length);
/* Go pull the bulk of the data down. */
/* if we dont use length, header length is wrong due to the
discarded first line - bjs*/
rv = HTCopy(s, target, length /*bytes_already_read*/);
if (rv == -1)
{
(*target->isa->handle_interrupt) (target);
status = HT_INTERRUPTED;
NETCLOSE (s);
lsocket = -1;
goto clean_up;
}
if (rv == -2 && !already_retrying && !do_post)
{
/* Aw hell. */
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf (stderr, "HTTP: Trying again with HTTP0 request.\n");
#endif
/* May as well consider it an interrupt -- right? */
(*target->isa->handle_interrupt) (target);
NETCLOSE(s);
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
extensions = NO;
already_retrying = 1;
HTProgress ("Retrying as HTTP0 request.");
goto try_again;
}
}
else
{
/* return_nothing is high. */
(*target->isa->put_string) (target, "<mosaic-access-override>\n");
HTProgress ("And silence filled the night.");
}
(*target->isa->end_document)(target);
/* Close socket before doing free. */
if(lsocket == -1){
NETCLOSE(s);
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr,"HTTP: Closing connection\n");
#endif
} else {
HTProgress("Leaving Server Connection Open");
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr,"HTTP: Keeping connection alive\n");
#endif
}
/*
else {
NETCLOSE(s);
#ifndef DISABLE_TRACE
if(www2Trace)
fprintf(stderr,"HTTP: Closing connection\n");
#endif
}
*/
(*target->isa->free)(target);
if (doing_redirect)
{
/* OK, now we've got the redirection URL temporarily stored
in external variable redirecting_url, exported from HTMIME.c,
since there's no straightforward way to do this in the library
currently. Do the right thing. */
status = HT_REDIRECTING;
}
else
{
status = HT_LOADED;
}
/* Clean up
*/
clean_up:
if (line_buffer)
free(line_buffer);
if (line_kept_clean)
free(line_kept_clean);
done:
/* Clear out on exit, just in case. */
do_post = 0;
if (statusError) {
securityType=HTAA_NONE;
#ifndef DISABLE_TRACE
if (www2Trace)
fprintf(stderr,"Resetting security type to NONE.\n");
#endif
}
return status;
}
static int LYLoadCGI(const char *arg,
HTParentAnchor *anAnchor,
HTFormat format_out,
HTStream *sink)
{
int status = 0;
#ifdef LYNXCGI_LINKS
#ifndef VMS
char *cp;
struct stat stat_buf;
char *pgm = NULL; /* executable */
char *pgm_args = NULL; /* and its argument(s) */
int statrv;
char *orig_pgm = NULL; /* Path up to ? as given, URL-escaped */
char *document_root = NULL; /* Corrected value of DOCUMENT_ROOT */
char *path_info = NULL; /* PATH_INFO extracted from pgm */
char *pgm_buff = NULL; /* PATH_INFO extraction buffer */
char *path_translated; /* From document_root/path_info */
if (isEmpty(arg) || strlen(arg) <= 8) {
HTAlert(BAD_REQUEST);
status = -2;
return (status);
} else {
if (StrNCmp(arg, "lynxcgi://localhost", 19) == 0) {
StrAllocCopy(pgm, arg + 19);
} else {
StrAllocCopy(pgm, arg + 8);
}
if ((cp = StrChr(pgm, '?')) != NULL) { /* Need to terminate executable */
*cp++ = '\0';
pgm_args = cp;
}
}
StrAllocCopy(orig_pgm, pgm);
if (trimPoundSelector(pgm) != NULL) {
/*
* Strip a #fragment from path. In this case any pgm_args found above
* will also be bogus, since the '?' came after the '#' and is part of
* the fragment. Note that we don't handle the case where a '#'
* appears after a '?' properly according to URL rules. - kw
*/
pgm_args = NULL;
}
HTUnEscape(pgm);
/* BEGIN WebSter Mods */
/* If pgm is not stat-able, see if PATH_INFO data is at the end of pgm */
if ((statrv = stat(pgm, &stat_buf)) < 0) {
StrAllocCopy(pgm_buff, pgm);
while (statrv < 0 || (statrv = stat(pgm_buff, &stat_buf)) < 0) {
if ((cp = strrchr(pgm_buff, '/')) != NULL) {
*cp = '\0';
statrv = 1; /* force new stat() - kw */
} else {
PERROR("strrchr(pgm_buff, '/') returned NULL");
break;
}
}
if (statrv < 0) {
/* Did not find PATH_INFO data */
PERROR("stat() of pgm_buff failed");
} else {
/* Found PATH_INFO data. Strip it off of pgm and into path_info. */
StrAllocCopy(path_info, pgm + strlen(pgm_buff));
/* The following is safe since pgm_buff was derived from pgm
by stripping stuff off its end and by HTUnEscaping, so we
know we have enough memory allocated for pgm. Note that
pgm_args may still point into that memory, so we cannot
reallocate pgm here. - kw */
strcpy(pgm, pgm_buff);
CTRACE((tfp,
"LYNXCGI: stat() of %s succeeded, path_info=\"%s\".\n",
pgm_buff, path_info));
}
FREE(pgm_buff);
}
/* END WebSter Mods */
if (statrv != 0) {
/*
* Neither the path as given nor any components examined by backing up
* were stat()able. - kw
*/
HTAlert(gettext("Unable to access cgi script"));
PERROR("stat() failed");
status = -4;
} else
#ifdef _WINDOWS /* 1998/01/14 (Wed) 09:16:04 */
#define isExecutable(mode) (mode & (S_IXUSR))
#else
#define isExecutable(mode) (mode & (S_IXUSR|S_IXGRP|S_IXOTH))
#endif
if (!(S_ISREG(stat_buf.st_mode) && isExecutable(stat_buf.st_mode))) {
/*
* Not a runnable file, See if we can load it using "file:" code.
*/
char *new_arg = NULL;
/*
* But try "file:" only if the file we are looking at is the path as
* given (no path_info was extracted), otherwise it will be to
* confusing to know just what file is loaded. - kw
*/
if (path_info) {
CTRACE((tfp,
"%s is not a file and %s not an executable, giving up.\n",
orig_pgm, pgm));
FREE(path_info);
FREE(pgm);
FREE(orig_pgm);
status = -4;
return (status);
}
LYLocalFileToURL(&new_arg, orig_pgm);
CTRACE((tfp, "%s is not an executable file, passing the buck.\n", arg));
status = HTLoadFile(new_arg, anAnchor, format_out, sink);
FREE(new_arg);
} else if (path_info &&
anAnchor != HTMainAnchor &&
!(reloading && anAnchor->document) &&
strcmp(arg, HTLoadedDocumentURL()) &&
HText_AreDifferent(anAnchor, arg) &&
HTUnEscape(orig_pgm) &&
!can_exec_cgi(orig_pgm, "")) {
/*
* If we have extra path info and are not just reloading the current,
* check the full file path (after unescaping) now to catch forbidden
* segments. - kw
*/
status = HT_NOT_LOADED;
} else if (no_lynxcgi) {
HTUserMsg(CGI_DISABLED);
status = HT_NOT_LOADED;
} else if (no_bookmark_exec &&
anAnchor != HTMainAnchor &&
!(reloading && anAnchor->document) &&
strcmp(arg, HTLoadedDocumentURL()) &&
HText_AreDifferent(anAnchor, arg) &&
HTLoadedDocumentBookmark()) {
/*
* If we are reloading a lynxcgi document that had already been loaded,
* the various checks above should allow it even if no_bookmark_exec is
* TRUE an we are not now coming from a bookmark page. - kw
*/
HTUserMsg(BOOKMARK_EXEC_DISABLED);
status = HT_NOT_LOADED;
} else if (anAnchor != HTMainAnchor &&
!(reloading && anAnchor->document) &&
strcmp(arg, HTLoadedDocumentURL()) &&
HText_AreDifferent(anAnchor, arg) &&
!can_exec_cgi(pgm, pgm_args)) {
/*
* If we are reloading a lynxcgi document that had already been loaded,
* the various checks above should allow it even if exec_ok() would
* reject it because we are not now coming from a document with a URL
* allowed by TRUSTED_LYNXCGI rules. - kw
*/
status = HT_NOT_LOADED;
} else {
HTFormat format_in;
HTStream *target = NULL; /* Unconverted data */
int fd1[2], fd2[2];
char buf[MAX_LINE];
int pid;
#ifdef HAVE_TYPE_UNIONWAIT
union wait wstatus;
#else
int wstatus;
#endif
fd1[0] = -1;
fd1[1] = -1;
fd2[0] = -1;
fd2[1] = -1;
if (anAnchor->isHEAD || keep_mime_headers) {
/* Show output as plain text */
format_in = WWW_PLAINTEXT;
} else {
/* Decode full HTTP response */
format_in = HTAtom_for("www/mime");
}
target = HTStreamStack(format_in,
format_out,
sink, anAnchor);
if (!target || target == NULL) {
char *tmp = 0;
HTSprintf0(&tmp, CANNOT_CONVERT_I_TO_O,
HTAtom_name(format_in),
HTAtom_name(format_out));
HTAlert(tmp);
FREE(tmp);
status = HT_NOT_LOADED;
} else if (anAnchor->post_data && pipe(fd1) < 0) {
HTAlert(CONNECT_SET_FAILED);
PERROR("pipe() failed");
status = -3;
} else if (pipe(fd2) < 0) {
HTAlert(CONNECT_SET_FAILED);
PERROR("pipe() failed");
close(fd1[0]);
close(fd1[1]);
status = -3;
} else {
static BOOL first_time = TRUE; /* One time setup flag */
if (first_time) { /* Set up static environment variables */
first_time = FALSE; /* Only once */
add_environment_value("REMOTE_HOST=localhost");
add_environment_value("REMOTE_ADDR=127.0.0.1");
HTSprintf0(&user_agent, "HTTP_USER_AGENT=%s/%s libwww/%s",
LYNX_NAME, LYNX_VERSION, HTLibraryVersion);
add_environment_value(user_agent);
HTSprintf0(&server_software, "SERVER_SOFTWARE=%s/%s",
LYNX_NAME, LYNX_VERSION);
add_environment_value(server_software);
}
fflush(stdout);
fflush(stderr);
CTRACE_FLUSH(tfp);
if ((pid = fork()) > 0) { /* The good, */
ssize_t chars;
off_t total_chars;
close(fd2[1]);
if (anAnchor->post_data) {
ssize_t written;
int remaining, total_written = 0;
close(fd1[0]);
/* We have form data to push across the pipe */
if (TRACE) {
CTRACE((tfp,
"LYNXCGI: Doing post, content-type '%s'\n",
anAnchor->post_content_type));
CTRACE((tfp, "LYNXCGI: Writing:\n"));
trace_bstring(anAnchor->post_data);
CTRACE((tfp, "----------------------------------\n"));
}
remaining = BStrLen(anAnchor->post_data);
while ((written = write(fd1[1],
BStrData(anAnchor->post_data) + total_written,
(size_t) remaining)) != 0) {
if (written < 0) {
#ifdef EINTR
if (errno == EINTR)
continue;
#endif /* EINTR */
#ifdef ERESTARTSYS
if (errno == ERESTARTSYS)
continue;
#endif /* ERESTARTSYS */
PERROR("write() of POST data failed");
break;
}
CTRACE((tfp, "LYNXCGI: Wrote %d bytes of POST data.\n",
(int) written));
total_written += (int) written;
remaining -= (int) written;
if (remaining == 0)
break;
}
if (remaining != 0) {
CTRACE((tfp, "LYNXCGI: %d bytes remain unwritten!\n",
remaining));
}
close(fd1[1]);
}
HTReadProgress(total_chars = 0, (off_t) 0);
while ((chars = read(fd2[0], buf, sizeof(buf))) != 0) {
if (chars < 0) {
#ifdef EINTR
if (errno == EINTR)
continue;
#endif /* EINTR */
#ifdef ERESTARTSYS
if (errno == ERESTARTSYS)
continue;
#endif /* ERESTARTSYS */
PERROR("read() of CGI output failed");
break;
}
total_chars += (int) chars;
HTReadProgress(total_chars, (off_t) 0);
CTRACE((tfp, "LYNXCGI: Rx: %.*s\n", (int) chars, buf));
(*target->isa->put_block) (target, buf, (int) chars);
}
if (chars < 0 && total_chars == 0) {
status = HT_NOT_LOADED;
(*target->isa->_abort) (target, NULL);
target = NULL;
} else if (chars != 0) {
status = HT_PARTIAL_CONTENT;
} else {
status = HT_LOADED;
}
#ifndef HAVE_WAITPID
while (wait(&wstatus) != pid) ; /* do nothing */
#else
while (-1 == waitpid(pid, &wstatus, 0)) { /* wait for child */
#ifdef EINTR
if (errno == EINTR)
continue;
#endif /* EINTR */
#ifdef ERESTARTSYS
if (errno == ERESTARTSYS)
continue;
#endif /* ERESTARTSYS */
break;
}
#endif /* !HAVE_WAITPID */
close(fd2[0]);
} else if (pid == 0) { /* The Bad, */
char **argv = NULL;
int argv_cnt = 3; /* name, one arg and terminator */
char **cur_argv = NULL;
int exec_errno;
/* Set up output pipe */
close(fd2[0]);
dup2(fd2[1], fileno(stdout)); /* Should check success code */
dup2(fd2[1], fileno(stderr));
close(fd2[1]);
if (non_empty(language)) {
HTSprintf0(&accept_language, "HTTP_ACCEPT_LANGUAGE=%s", language);
add_environment_value(accept_language);
}
if (non_empty(pref_charset)) {
cp = NULL;
StrAllocCopy(cp, "HTTP_ACCEPT_CHARSET=");
StrAllocCat(cp, pref_charset);
add_environment_value(cp);
}
if (anAnchor->post_data &&
anAnchor->post_content_type) {
cp = NULL;
StrAllocCopy(cp, "CONTENT_TYPE=");
StrAllocCat(cp, anAnchor->post_content_type);
add_environment_value(cp);
}
if (anAnchor->post_data) { /* post script, read stdin */
close(fd1[1]);
dup2(fd1[0], fileno(stdin));
close(fd1[0]);
/* Build environment variables */
add_environment_value("REQUEST_METHOD=POST");
HTSprintf0(&post_len, "CONTENT_LENGTH=%d",
BStrLen(anAnchor->post_data));
add_environment_value(post_len);
} else {
close(fileno(stdin));
if (anAnchor->isHEAD) {
add_environment_value("REQUEST_METHOD=HEAD");
}
}
/*
* Set up argument line, mainly for <index> scripts
*/
if (pgm_args != NULL) {
for (cp = pgm_args; *cp != '\0'; cp++) {
if (*cp == '+') {
argv_cnt++;
}
}
}
argv = (char **) malloc((unsigned) argv_cnt * sizeof(char *));
if (argv == NULL) {
outofmem(__FILE__, "LYCgi");
}
assert(argv != NULL);
cur_argv = argv + 1; /* For argv[0] */
if (pgm_args != NULL) {
char *cr;
/* Data for a get/search form */
if (is_www_index) {
add_environment_value("REQUEST_METHOD=SEARCH");
} else if (!anAnchor->isHEAD && !anAnchor->post_data) {
add_environment_value("REQUEST_METHOD=GET");
}
cp = NULL;
StrAllocCopy(cp, "QUERY_STRING=");
StrAllocCat(cp, pgm_args);
add_environment_value(cp);
/*
* Split up arguments into argv array
*/
cp = pgm_args;
cr = cp;
while (1) {
if (*cp == '\0') {
*(cur_argv++) = HTUnEscape(cr);
break;
} else if (*cp == '+') {
*cp++ = '\0';
*(cur_argv++) = HTUnEscape(cr);
cr = cp;
}
cp++;
}
} else if (!anAnchor->isHEAD && !anAnchor->post_data) {
add_environment_value("REQUEST_METHOD=GET");
}
*cur_argv = NULL; /* Terminate argv */
argv[0] = pgm;
/* Begin WebSter Mods -jkt */
if (LYCgiDocumentRoot != NULL) {
/* Add DOCUMENT_ROOT to env */
cp = NULL;
StrAllocCopy(cp, "DOCUMENT_ROOT=");
StrAllocCat(cp, LYCgiDocumentRoot);
add_environment_value(cp);
}
if (path_info != NULL) {
/* Add PATH_INFO to env */
cp = NULL;
StrAllocCopy(cp, "PATH_INFO=");
StrAllocCat(cp, path_info);
add_environment_value(cp);
}
if (LYCgiDocumentRoot != NULL && path_info != NULL) {
/* Construct and add PATH_TRANSLATED to env */
StrAllocCopy(document_root, LYCgiDocumentRoot);
LYTrimHtmlSep(document_root);
path_translated = document_root;
StrAllocCat(path_translated, path_info);
cp = NULL;
StrAllocCopy(cp, "PATH_TRANSLATED=");
StrAllocCat(cp, path_translated);
add_environment_value(cp);
FREE(path_translated);
}
/* End WebSter Mods -jkt */
execve(argv[0], argv, env);
exec_errno = errno;
PERROR("execve failed");
printf("Content-Type: text/plain\r\n\r\n");
if (!anAnchor->isHEAD) {
printf("exec of %s failed", pgm);
printf(": %s.\r\n", LYStrerror(exec_errno));
}
fflush(stdout);
fflush(stderr);
_exit(1);
} else { /* and the Ugly */
HTAlert(CONNECT_FAILED);
PERROR("fork() failed");
close(fd1[0]);
close(fd1[1]);
close(fd2[0]);
close(fd2[1]);
status = -1;
}
}
if (target != NULL) {
(*target->isa->_free) (target);
}
}
FREE(path_info);
FREE(pgm);
FREE(orig_pgm);
#else /* VMS */
HTStream *target;
char *buf = 0;
target = HTStreamStack(WWW_HTML,
format_out,
sink, anAnchor);
HTSprintf0(&buf, "<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n",
gettext("Good Advice"));
PUTS(buf);
HTSprintf0(&buf, "<h1>%s</h1>\n", gettext("Good Advice"));
PUTS(buf);
HTSprintf0(&buf, "%s <a\n",
gettext("An excellent http server for VMS is available via"));
PUTS(buf);
HTSprintf0(&buf,
"href=\"http://www.ecr6.ohio-state.edu/www/doc/serverinfo.html\"\n");
PUTS(buf);
HTSprintf0(&buf, ">%s</a>.\n", gettext("this link"));
PUTS(buf);
HTSprintf0(&buf, "<p>%s\n",
gettext("It provides state of the art CGI script support.\n"));
PUTS(buf);
HTSprintf0(&buf, "</body>\n</html>\n");
PUTS(buf);
(*target->isa->_free) (target);
FREE(buf);
status = HT_LOADED;
#endif /* VMS */
#else /* LYNXCGI_LINKS */
HTUserMsg(CGI_NOT_COMPILED);
status = HT_NOT_LOADED;
#endif /* LYNXCGI_LINKS */
(void) arg;
(void) anAnchor;
(void) format_out;
(void) sink;
return (status);
}
