Esempio n. 1
0
File: LYEditmap.c Progetto: ezc/lynx
static char *showRanges(int *state)
{
    char *result = 0;
    int range[2];
    int i;

    range[0] = range[1] = -1;
    for (i = 0; i < KEYMAP_SIZE; ++i) {
	if (!state[i]) {
	    int code = CurrentLineEditor()[i];

	    if (code == LYE_CHAR) {
		if (range[0] < 0)
		    range[0] = i;
		range[1] = i;
		state[i] = 3;
	    } else if (range[0] >= 0) {
		if (non_empty(result))
		    StrAllocCat(result, ", ");
		HTSprintf(&result, "%d-%d", range[0], range[1]);
		range[0] = range[1] = -1;
	    }
	}
    }
    return result;
}
int LYStringToKeycode(char *src)
{
    unsigned n;
    int key = -1;
    int len = (int) strlen(src);

    if (len == 1) {
	key = *src;
    } else if (len == 2 && *src == '^') {
	key = src[1] & 0x1f;
    } else if (len > 2 && !strncasecomp(src, "0x", 2)) {
	char *dst = 0;

	key = (int) strtol(src, &dst, 0);
	if (non_empty(dst))
	    key = -1;
    } else if (len > 6 && !strncasecomp(src, "key-", 4)) {
	char *dst = 0;

	key = (int) strtol(src + 4, &dst, 0);
	if (isEmpty(dst))
	    key = -1;
    }
    if (key < 0) {
	for (n = 0; n < TABLESIZE(named_keys); n++) {
	    if (!strcasecomp(named_keys[n].name, src)) {
		key = named_keys[n].key;
		break;
	    }
	}
    }
    return key;
}
/*
 * Find the given command-name, accepting an abbreviation if it is unique.
 */
Kcmd *LYStringToKcmd(const char *name)
{
    size_t need = strlen(name);
    size_t j;
    BOOL exact = FALSE;
    Kcmd *result = 0;
    Kcmd *maybe = 0;

    if (non_empty(name)) {
	for (j = 0; revmap[j].name != 0; j++) {
	    if (!strcasecomp(revmap[j].name, name)) {
		result = revmap + j;
		break;
	    } else if (!exact
		       && !strncasecomp(revmap[j].name, name, (int) need)) {
		if (maybe == 0) {
		    maybe = revmap + j;
		} else {
		    if (revmap[j].name[need] != 0
			&& maybe->name[need] != 0) {
			maybe = 0;
			exact = TRUE;
		    }
		}
	    }
	}
    }
    return (result != 0) ? result : maybe;
}
Esempio n. 4
0
/*
 * Wrapper for exec_ok(), confirming with user if the link text is not visible
 * in the status line.
 */
static BOOL can_exec_cgi(const char *linktext, const char *linkargs)
{
    const char *format = gettext("Do you want to execute \"%s\"?");
    char *message = NULL;
    char *command = NULL;
    char *p;
    BOOL result = TRUE;

    if (!exec_ok(HTLoadedDocumentURL(), linktext, CGI_PATH)) {
	/* exec_ok gives out msg. */
	result = FALSE;
    } else {
	StrAllocCopy(command, linktext);
	if (non_empty(linkargs)) {
	    HTSprintf(&command, " %s", linkargs);
	}
	HTUnEscape(command);
	for (p = command; *p; ++p)
	    if (*p == '+')
		*p = ' ';
	HTSprintf0(&message, format, command);
	result = HTConfirm(message);
	FREE(message);
	FREE(command);
    }
    return result;
}
Esempio n. 5
0
File: LYEditmap.c Progetto: ezc/lynx
static struct emap *name2emap(const char *name)
{
    struct emap *mp;
    struct emap *result = 0;

    if (non_empty(name)) {
	for (mp = ekmap; mp->name != NULL; mp++) {
	    if (strcasecomp(mp->name, name) == 0) {
		result = mp;
		break;
	    }
	}
    }
    return result;
}
Esempio n. 6
0
/*
 * LYShowInfo prints a page of info about the current file and the link that
 * the cursor is on.
 */
int LYShowInfo(DocInfo *doc,
	       DocInfo *newdoc,
	       char *owner_address)
{
    static char tempfile[LY_MAXPATH] = "\0";

    int url_type;
    FILE *fp0;
    char *Title = NULL;
    const char *cp;
    char *temp = NULL;
    char *buffer = NULL;

    BOOLEAN LYInfoAdvanced = (BOOL) (user_mode == ADVANCED_MODE);

#ifdef DIRED_SUPPORT
    struct stat dir_info;
    const char *name;
#endif /* DIRED_SUPPORT */

    if (LYReuseTempfiles) {
	fp0 = LYOpenTempRewrite(tempfile, HTML_SUFFIX, "w");
    } else {
	(void) LYRemoveTemp(tempfile);
	fp0 = LYOpenTemp(tempfile, HTML_SUFFIX, "w");
    }
    if (fp0 == NULL) {
	HTAlert(CANNOT_OPEN_TEMP);
	return (-1);
    }

    /*
     * Point the address pointer at this Url
     */
    LYLocalFileToURL(&newdoc->address, tempfile);

    if (nlinks > 0 && links[doc->link].lname != NULL &&
	(url_type = is_url(links[doc->link].lname)) != 0 &&
	(url_type == LYNXEXEC_URL_TYPE ||
	 url_type == LYNXPROG_URL_TYPE)) {
	char *last_slash = strrchr(links[doc->link].lname, '/');
	int next_to_last = (int) strlen(links[doc->link].lname) - 1;

	if ((last_slash - links[doc->link].lname) == next_to_last) {
	    links[doc->link].lname[next_to_last] = '\0';
	}
    }

    label_columns = 9;

    WriteInternalTitle(fp0, SHOWINFO_TITLE);

    fprintf(fp0, "<h1>%s %s (%s) (<a href=\"%s\">%s</a>)",
	    LYNX_NAME, LYNX_VERSION,
	    LYVersionDate(),
	    (LYVersionIsRelease()? LYNX_WWW_HOME : LYNX_WWW_DIST),
	    LYVersionStatus());

    fprintf(fp0, "</h1>\n");	/* don't forget to close <h1> */

#ifdef DIRED_SUPPORT
    if (lynx_edit_mode && nlinks > 0) {

	BEGIN_DL(gettext("Directory that you are currently viewing"));

	temp = HTfullURL_toFile(doc->address);
	ADD_SS(gettext("Name:"), temp);
	FREE(temp);

	dt_URL(fp0, doc->address);

	END_DL();

	temp = HTfullURL_toFile(links[doc->link].lname);

	if (lstat(temp, &dir_info) == -1) {
	    CTRACE((tfp, "lstat(%s) failed, errno=%d\n", temp, errno));
	    HTAlert(CURRENT_LINK_STATUS_FAILED);
	} else {
	    char modes[80];

	    label_columns = 16;
	    if (S_ISDIR(dir_info.st_mode)) {
		BEGIN_DL(gettext("Directory that you have currently selected"));
	    } else if (S_ISREG(dir_info.st_mode)) {
		BEGIN_DL(gettext("File that you have currently selected"));
#ifdef S_IFLNK
	    } else if (S_ISLNK(dir_info.st_mode)) {
		BEGIN_DL(gettext("Symbolic link that you have currently selected"));
#endif
	    } else {
		BEGIN_DL(gettext("Item that you have currently selected"));
	    }
	    ADD_SS(gettext("Full name:"), temp);
#ifdef S_IFLNK
	    if (S_ISLNK(dir_info.st_mode)) {
		char buf[MAX_LINE];
		int buf_size;
		size_t limit = sizeof(buf) - 1;

		if ((buf_size = (int) readlink(temp, buf, limit)) != -1) {
		    if (buf_size > (int) limit)
			buf_size = (int) limit;
		    buf[buf_size] = '\0';
		} else {
		    sprintf(buf, "%.*s", (int) limit,
			    gettext("Unable to follow link"));
		}
		ADD_SS(gettext("Points to file:"), buf);
	    }
#endif
	    name = HTAA_UidToName((int) dir_info.st_uid);
	    if (*name)
		ADD_SS(gettext("Name of owner:"), name);
	    name = HTAA_GidToName((int) dir_info.st_gid);
	    if (*name)
		ADD_SS(gettext("Group name:"), name);
	    if (S_ISREG(dir_info.st_mode)) {
		ADD_NN(gettext("File size:"),
		       (long) dir_info.st_size,
		       gettext("(bytes)"));
	    }
	    /*
	     * Include date and time information.
	     */
	    ADD_SS(gettext("Creation date:"),
		   ctime(&dir_info.st_ctime));

	    ADD_SS(gettext("Last modified:"),
		   ctime(&dir_info.st_mtime));

	    ADD_SS(gettext("Last accessed:"),
		   ctime(&dir_info.st_atime));

	    END_DL();

	    label_columns = 9;
	    BEGIN_DL(gettext("Access Permissions"));
	    modes[0] = '\0';
	    modes[1] = '\0';	/* In case there are no permissions */
	    modes[2] = '\0';
	    if ((dir_info.st_mode & S_IRUSR))
		strcat(modes, ", read");
	    if ((dir_info.st_mode & S_IWUSR))
		strcat(modes, ", write");
	    if ((dir_info.st_mode & S_IXUSR)) {
		if (S_ISDIR(dir_info.st_mode))
		    strcat(modes, ", search");
		else {
		    strcat(modes, ", execute");
		    if ((dir_info.st_mode & S_ISUID))
			strcat(modes, ", setuid");
		}
	    }
	    ADD_SS(gettext("Owner:"), &modes[2]);

	    modes[0] = '\0';
	    modes[1] = '\0';	/* In case there are no permissions */
	    modes[2] = '\0';
	    if ((dir_info.st_mode & S_IRGRP))
		strcat(modes, ", read");
	    if ((dir_info.st_mode & S_IWGRP))
		strcat(modes, ", write");
	    if ((dir_info.st_mode & S_IXGRP)) {
		if (S_ISDIR(dir_info.st_mode))
		    strcat(modes, ", search");
		else {
		    strcat(modes, ", execute");
		    if ((dir_info.st_mode & S_ISGID))
			strcat(modes, ", setgid");
		}
	    }
	    ADD_SS(gettext("Group:"), &modes[2]);

	    modes[0] = '\0';
	    modes[1] = '\0';	/* In case there are no permissions */
	    modes[2] = '\0';
	    if ((dir_info.st_mode & S_IROTH))
		strcat(modes, ", read");
	    if ((dir_info.st_mode & S_IWOTH))
		strcat(modes, ", write");
	    if ((dir_info.st_mode & S_IXOTH)) {
		if (S_ISDIR(dir_info.st_mode))
		    strcat(modes, ", search");
		else {
		    strcat(modes, ", execute");
#ifdef S_ISVTX
		    if ((dir_info.st_mode & S_ISVTX))
			strcat(modes, ", sticky");
#endif
		}
	    }
	    ADD_SS(gettext("World:"), &modes[2]);
	    END_DL();
	}
	FREE(temp);
    } else {
#endif /* DIRED_SUPPORT */

	BEGIN_DL(gettext("File that you are currently viewing"));

	LYformTitle(&Title, doc->title);
	HTSprintf(&temp, "%s%s",
		  LYEntifyTitle(&buffer, Title),
		  ((doc->isHEAD &&
		    !strstr(Title, " (HEAD)") &&
		    !strstr(Title, " - HEAD")) ? " (HEAD)" : ""));
	ADD_SS(gettext("Linkname:"), temp);
	FREE(temp);

	dt_URL(fp0, doc->address);

	if (HTLoadedDocumentCharset()) {
	    ADD_SS(gettext("Charset:"),
		   HTLoadedDocumentCharset());
	} else {
	    LYUCcharset *p_in = HTAnchor_getUCInfoStage(HTMainAnchor,
							UCT_STAGE_PARSER);

	    if (!p_in || isEmpty(p_in->MIMEname) ||
		HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_PARSER) < 0) {
		p_in = HTAnchor_getUCInfoStage(HTMainAnchor, UCT_STAGE_MIME);
	    }
	    if (p_in && non_empty(p_in->MIMEname) &&
		HTAnchor_getUCLYhndl(HTMainAnchor, UCT_STAGE_MIME) >= 0) {
		HTSprintf(&temp, "%s %s",
			  LYEntifyTitle(&buffer, p_in->MIMEname),
			  gettext("(assumed)"));
		ADD_SS(gettext("Charset:"), p_in->MIMEname);
		FREE(temp);
	    }
	}

	if ((cp = HText_getServer()) != NULL && *cp != '\0')
	    ADD_SS(gettext("Server:"), cp);

	if ((cp = HText_getDate()) != NULL && *cp != '\0')
	    ADD_SS(gettext("Date:"), cp);

	if ((cp = HText_getLastModified()) != NULL && *cp != '\0')
	    ADD_SS(gettext("Last Mod:"), cp);

	if (LYInfoAdvanced) {
	    if (HTMainAnchor && HTMainAnchor->expires) {
		ADD_SS(gettext("Expires:"), HTMainAnchor->expires);
	    }
	    if (HTMainAnchor && HTMainAnchor->cache_control) {
		ADD_SS(gettext("Cache-Control:"), HTMainAnchor->cache_control);
	    }
	    if (HTMainAnchor && HTMainAnchor->content_length > 0) {
		ADD_NN(gettext("Content-Length:"),
		       HTMainAnchor->content_length,
		       gettext("bytes"));
	    } else {
		ADD_NN(gettext("Length:"),
		       HText_getNumOfBytes(),
		       gettext("bytes"));
	    }
	    if (HTMainAnchor && HTMainAnchor->content_language) {
		ADD_SS(gettext("Language:"), HTMainAnchor->content_language);
	    }
	}

	if (doc->post_data) {
	    fprintf(fp0, "<dt><em>%s</em> <xmp>%.*s</xmp>\n",
		    LYEntifyTitle(&buffer, gettext("Post Data:")),
		    BStrLen(doc->post_data),
		    BStrData(doc->post_data));
	    ADD_SS(gettext("Post Content Type:"), doc->post_content_type);
	}

	ADD_SS(gettext("Owner(s):"),
	       (owner_address
		? owner_address
		: NO_NOTHING));

	ADD_NN(gettext("size:"),
	       HText_getNumOfLines(),
	       gettext("lines"));

	StrAllocCopy(temp,
		     ((lynx_mode == FORMS_LYNX_MODE)
		      ? gettext("forms mode")
		      : (HTisDocumentSource()
			 ? gettext("source")
			 : gettext("normal"))));
	if (doc->safe)
	    StrAllocCat(temp, gettext(", safe"));
	if (doc->internal_link)
	    StrAllocCat(temp, gettext(", via internal link"));

	if (LYInfoAdvanced) {
	    if (HText_hasNoCacheSet(HTMainText))
		StrAllocCat(temp, gettext(", no-cache"));
	    if (HTAnchor_isISMAPScript((HTAnchor *) HTMainAnchor))
		StrAllocCat(temp, gettext(", ISMAP script"));
	    if (doc->bookmark)
		StrAllocCat(temp, gettext(", bookmark file"));
	}

	ADD_SS(gettext("mode:"), temp);
	FREE(temp);

	END_DL();

	if (nlinks > 0) {
	    BEGIN_DL(gettext("Link that you currently have selected"));
	    ADD_SS(gettext("Linkname:"),
		   LYGetHiliteStr(doc->link, 0));
	    if (lynx_mode == FORMS_LYNX_MODE &&
		links[doc->link].type == WWW_FORM_LINK_TYPE) {
		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;

		    ADD_SS(gettext("Method:"),
			   ((method == URL_POST_METHOD) ? "POST" :
			    ((method == URL_MAIL_METHOD) ? "(email)" :
			     "GET")));
		    ADD_SS(gettext("Enctype:"),
			   (non_empty(enctype)
			    ? enctype
			    : "application/x-www-form-urlencoded"));
		}
		if (links[doc->link].l_form->submit_action) {
		    ADD_SS(gettext("Action:"),
			   links[doc->link].l_form->submit_action);
		}
		if (!(links[doc->link].l_form->submit_method &&
		      links[doc->link].l_form->submit_action)) {
		    fprintf(fp0, "<dt>&nbsp;%s\n",
			    LYEntifyTitle(&buffer, gettext("(Form field)")));
		}
	    } else {
		dt_URL(fp0, NonNull(links[doc->link].lname));
	    }
	    END_DL();

	} else {
	    fprintf(fp0, "<h2>%s</h2>",
		    LYEntifyTitle(&buffer,
				  gettext("No Links on the current page")));
	}

	if ((cp = HText_getHttpHeaders()) != 0) {
	    fprintf(fp0, "<h2>%s</h2>",
		    LYEntifyTitle(&buffer, gettext("Server Headers:")));
	    fprintf(fp0, "<pre>%s</pre>",
		    LYEntifyTitle(&buffer, cp));
	}
#ifdef DIRED_SUPPORT
    }
#endif /* DIRED_SUPPORT */
    EndInternalPage(fp0);

    LYrefresh();

    LYCloseTemp(tempfile);
    FREE(Title);
    FREE(buffer);

    return (0);
}
Esempio n. 7
0
/*
 * This procedure outputs the Visited Links list into a temporary file.  - FM
 * Returns links's number to make active (1-based), or 0 if not required.
 */
int LYShowVisitedLinks(char **newfile)
{
    static char tempfile[LY_MAXPATH] = "\0";
    char *Title = NULL;
    char *Address = NULL;
    int x, tot;
    FILE *fp0;
    VisitedLink *vl;
    HTList *cur = Visited_Links;
    int offset;
    int ret = 0;
    const char *arrow, *post_arrow;

    if (!cur)
	return (-1);

    if ((fp0 = InternalPageFP(tempfile, TRUE)) == 0)
	return (-1);

    LYLocalFileToURL(newfile, tempfile);
    LYRegisterUIPage(*newfile, UIP_VLINKS);

    LYforce_HTML_mode = TRUE;	/* force this file to be HTML */
    LYforce_no_cache = TRUE;	/* force this file to be new */

    BeginInternalPage(fp0, VISITED_LINKS_TITLE, VISITED_LINKS_HELP);

#ifndef NO_OPTION_FORMS
    fprintf(fp0, "<form action=\"%s\" method=\"post\">\n", STR_LYNXOPTIONS);
    LYMenuVisitedLinks(fp0, FALSE);
    fprintf(fp0, "<input type=\"submit\" value=\"Accept Changes\">\n");
    fprintf(fp0, "</form>\n");
    fprintf(fp0, "<P>\n");
#endif

    fprintf(fp0, "<pre>\n");
    fprintf(fp0, "<em>%s</em>\n",
	    gettext("You visited (POSTs, bookmark, menu and list files excluded):"));
    if (Visited_Links_As & VISITED_LINKS_REVERSE)
	tot = x = HTList_count(Visited_Links);
    else
	tot = x = -1;

    if (Visited_Links_As & VISITED_LINKS_AS_TREE) {
	vl = First_tree;
    } else if (Visited_Links_As & VISITED_LINKS_AS_LATEST) {
	if (Visited_Links_As & VISITED_LINKS_REVERSE)
	    vl = Latest_last.prev_latest;
	else
	    vl = Latest_first.next_latest;
	if (vl == &Latest_last || vl == &Latest_first)
	    vl = NULL;
    } else {
	if (Visited_Links_As & VISITED_LINKS_REVERSE)
	    vl = Last_by_first;
	else
	    vl = (VisitedLink *) HTList_nextObject(cur);
    }
    while (NULL != vl) {
	/*
	 * The number of the document (most recent highest), its title in a
	 * link, and its address.  - FM
	 */
	post_arrow = arrow = "";
	if (Visited_Links_As & VISITED_LINKS_REVERSE)
	    x--;
	else
	    x++;
	if (vl == PrevActiveVisitedLink) {
	    if (Visited_Links_As & VISITED_LINKS_REVERSE)
		ret = tot - x + 2;
	    else
		ret = x + 3;
	}
	if (vl == PrevActiveVisitedLink) {
	    post_arrow = "<A NAME=current></A>";
	    /* Otherwise levels 0 and 1 look the same when with arrow: */
	    arrow = (vl->level && (Visited_Links_As & VISITED_LINKS_AS_TREE))
		? "==>" : "=>";
	    StrAllocCat(*newfile, "#current");
	}
	if (Visited_Links_As & VISITED_LINKS_AS_TREE) {
	    offset = 2 * vl->level;
	    if (offset > 24)
		offset = (offset + 24) / 2;
	    if (offset > LYcols * 3 / 4)
		offset = LYcols * 3 / 4;
	} else
	    offset = (x > 99 ? 0 : x < 10 ? 2 : 1);
	if (non_empty(vl->title)) {
	    StrAllocCopy(Title, vl->title);
	    LYEntify(&Title, TRUE);
	    LYTrimLeading(Title);
	    LYTrimTrailing(Title);
	    if (*Title == '\0')
		StrAllocCopy(Title, NO_TITLE);
	} else {
	    StrAllocCopy(Title, NO_TITLE);
	}
	if (non_empty(vl->address)) {
	    StrAllocCopy(Address, vl->address);
	    LYEntify(&Address, FALSE);
	    fprintf(fp0,
		    "%-*s%s<em>%d</em>. <tab id=t%d><a href=\"%s\">%s</a>\n",
		    offset, arrow, post_arrow,
		    x, x, Address, Title);
	} else {
	    fprintf(fp0,
		    "%-*s%s<em>%d</em>. <tab id=t%d><em>%s</em>\n",
		    offset, arrow, post_arrow,
		    x, x, Title);
	}
	if (Address != NULL) {
	    StrAllocCopy(Address, vl->address);
	    LYEntify(&Address, TRUE);
	}
	fprintf(fp0, "<tab to=t%d>%s\n", x,
		((Address != NULL) ? Address : gettext("(no address)")));
	if (Visited_Links_As & VISITED_LINKS_AS_TREE)
	    vl = vl->next_tree;
	else if (Visited_Links_As & VISITED_LINKS_AS_LATEST) {
	    if (Visited_Links_As & VISITED_LINKS_REVERSE)
		vl = vl->prev_latest;
	    else
		vl = vl->next_latest;
	    if (vl == &Latest_last || vl == &Latest_first)
		vl = NULL;
	} else {
	    if (Visited_Links_As & VISITED_LINKS_REVERSE)
		vl = vl->prev_first;
	    else
		vl = (VisitedLink *) HTList_nextObject(cur);
	}
    }
    fprintf(fp0, "</pre>\n");
    EndInternalPage(fp0);

    LYCloseTempFP(fp0);
    FREE(Title);
    FREE(Address);
    return (ret);
}
Esempio n. 8
0
/*
 *  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);
}
Esempio n. 9
0
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);
}
Esempio n. 10
0
int showlist(DocInfo *newdoc, BOOLEAN titles)
{
    int cnt;
    int refs, hidden_links;
    static char tempfile[LY_MAXPATH];
    static BOOLEAN last_titles = TRUE;
    FILE *fp0;
    char *Address = NULL, *Title = NULL, *cp = NULL;
    char *LinkTitle = NULL;	/* Rel stored as property of link, not of dest */
    BOOLEAN intern_w_post = FALSE;
    const char *desc = "unknown field or link";
    void *helper;

    refs = HText_sourceAnchors(HTMainText);
    hidden_links = HText_HiddenLinkCount(HTMainText);
    if (refs <= 0 && hidden_links > 0 &&
	LYHiddenLinks != HIDDENLINKS_SEPARATE) {
	HTUserMsg(NO_VISIBLE_REFS_FROM_DOC);
	return (-1);
    }
    if (refs <= 0 && hidden_links <= 0) {
	HTUserMsg(NO_REFS_FROM_DOC);
	return (-1);
    }

    if ((fp0 = InternalPageFP(tempfile, titles == last_titles)) == 0)
	return (-1);

    LYLocalFileToURL(&(newdoc->address), tempfile);

    LYRegisterUIPage(newdoc->address,
		     titles ? UIP_LIST_PAGE : UIP_ADDRLIST_PAGE);
    last_titles = titles;
    LYforce_HTML_mode = TRUE;	/* force this file to be HTML */
    LYforce_no_cache = TRUE;	/* force this file to be new */

#ifdef EXP_ADDRLIST_PAGE
    if (titles != TRUE)
	BeginInternalPage(fp0, ADDRLIST_PAGE_TITLE, LIST_PAGE_HELP);
    else
#endif
	BeginInternalPage(fp0, LIST_PAGE_TITLE, LIST_PAGE_HELP);

    StrAllocCopy(Address, HTLoadedDocumentURL());
    LYEntify(&Address, FALSE);
    fprintf(fp0, "%s%s<p>\n", gettext("References in "),
	    (non_empty(Address)
	     ? Address
	     : gettext("this document:")));
    FREE(Address);
    if (refs > 0) {
	fprintf(fp0, "<%s compact>\n", ((keypad_mode == NUMBERS_AS_ARROWS) ?
					"ol" : "ul"));
	if (hidden_links > 0)
	    fprintf(fp0, "<lh><em>%s</em>\n", gettext("Visible links:"));
    }
    if (hidden_links > 0) {
	if (LYHiddenLinks == HIDDENLINKS_IGNORE)
	    hidden_links = 0;
    }
    helper = NULL;		/* init */
    for (cnt = 1; cnt <= refs; cnt++) {
	HTChildAnchor *child = HText_childNextNumber(cnt, &helper);
	HTAnchor *dest_intl = NULL;
	HTAnchor *dest;
	HTParentAnchor *parent;
	char *address;
	const char *title;

	if (child == 0) {
	    /*
	     * child should not be 0 unless form field numbering is on and cnt
	     * is the number of a form input field.  HText_FormDescNumber()
	     * will set desc to a description of what type of input field this
	     * is.  We'll list it to ensure that the link numbers on the list
	     * page match the numbering in the original document, but won't
	     * create a forward link to the form.  - FM && LE
	     *
	     * Changed to create a fake hidden link, to get the numbering right
	     * in connection with always treating this file as
	     * HIDDENLINKS_MERGE in GridText.c - kw
	     */
	    if (fields_are_numbered()) {
		HText_FormDescNumber(cnt, &desc);
		fprintf(fp0,
			"<li><a id=%d href=\"#%d\">form field</a> = <em>%s</em>\n",
			cnt, cnt, desc);
	    }
	    continue;
	}
#ifndef DONT_TRACK_INTERNAL_LINKS
	dest_intl = HTAnchor_followTypedLink(child, HTInternalLink);
#endif
	dest = dest_intl ?
	    dest_intl : HTAnchor_followLink(child);
	parent = HTAnchor_parent(dest);
	if (!intern_w_post && dest_intl &&
	    HTMainAnchor &&
	    HTMainAnchor->post_data &&
	    parent->post_data &&
	    BINEQ(HTMainAnchor->post_data, parent->post_data)) {
	    /*
	     * Set flag to note that we had at least one internal link, if the
	     * document from which we are generating the list has associated
	     * POST data; after an extra check that the link destination really
	     * has the same POST data so that we can believe it is an internal
	     * link.
	     */
	    intern_w_post = TRUE;
	}
	address = HTAnchor_address(dest);
	title = titles ? HTAnchor_title(parent) : NULL;
	if (dest_intl) {
	    HTSprintf0(&LinkTitle, "(internal)");
	} else if (titles && child->type &&
		   dest == child->dest &&
		   !strncmp(HTAtom_name(child->type),
			    "RelTitle: ", 10)) {
	    HTSprintf0(&LinkTitle, "(%s)", HTAtom_name(child->type) + 10);
	} else {
	    FREE(LinkTitle);
	}
	StrAllocCopy(Address, address);
	FREE(address);
	LYEntify(&Address, TRUE);
	if (non_empty(title)) {
	    LYformTitle(&Title, title);
	    LYEntify(&Title, TRUE);
	    if (*Title) {
		cp = findPoundSelector(Address);
	    } else {
		FREE(Title);
	    }
	}

	fprintf(fp0, "<li><a href=\"%s\"%s>%s%s%s%s%s</a>\n", Address,
		dest_intl ? " TYPE=\"internal link\"" : "",
		NonNull(LinkTitle),
		((HTAnchor *) parent != dest) && Title ? "in " : "",
		(char *) (Title ? Title : Address),
		(Title && cp) ? " - " : "",
		(Title && cp) ? (cp + 1) : "");

	FREE(Address);
	FREE(Title);
    }
    FREE(LinkTitle);

    if (hidden_links > 0) {
	if (refs > 0)
	    fprintf(fp0, "\n</%s>\n\n<p>\n",
		    ((keypad_mode == NUMBERS_AS_ARROWS) ?
		     "ol" : "ul"));
	fprintf(fp0, "<%s compact>\n", ((keypad_mode == NUMBERS_AS_ARROWS) ?
					"ol continue" : "ul"));
	fprintf(fp0, "<lh><em>%s</em>\n", gettext("Hidden links:"));
    }

    for (cnt = 0; cnt < hidden_links; cnt++) {
	StrAllocCopy(Address, HText_HiddenLinkAt(HTMainText, cnt));
	LYEntify(&Address, FALSE);
	if (isEmpty(Address)) {
	    FREE(Address);
	    continue;
	}
	fprintf(fp0, "<li><a href=\"%s\">%s</a>\n", Address, Address);

	FREE(Address);
    }

    fprintf(fp0, "\n</%s>\n", ((keypad_mode == NUMBERS_AS_ARROWS) ?
			       "ol" : "ul"));
    EndInternalPage(fp0);
    LYCloseTempFP(fp0);

    /*
     * Make necessary changes to newdoc before returning to caller.  If the
     * intern_w_post flag is set, we keep the POST data in newdoc that have
     * been passed in.  They should be the same as in the loaded document for
     * which we generated the list.  In that case the file we have written will
     * be associated with the same POST data when it is loaded after we are
     * done here, so that following one of the links we have marked as
     * "internal link" can lead back to the underlying document with the right
     * address+post_data combination.  - kw
     */
    if (intern_w_post) {
	newdoc->internal_link = TRUE;
    } else {
	LYFreePostData(newdoc);
	newdoc->internal_link = FALSE;
    }
    newdoc->isHEAD = FALSE;
    newdoc->safe = FALSE;
    return (0);
}