231 lines
6.2 KiB
C
231 lines
6.2 KiB
C
/* $Id: w3mhelperpanel.c,v 1.14 2007/05/31 01:19:50 inu Exp $ */
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "config.h"
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#include "Str.h"
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#include "indep.h"
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#include "textlist.h"
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#include "parsetag.h"
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#include "myctype.h"
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#if LANG == JA
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/* FIXME: gettextize here */
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#define MSG_TITLE "外部ビューアの編集"
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#define MSG_NEW_ENTRY "新規登録"
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#define MSG_TYPE "データタイプ"
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#define MSG_COMMAND "外部コマンド"
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#define MSG_REGISTER "登録"
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#define MSG_DELETE "削除"
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#define MSG_DOIT "実行"
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#else /* LANG != JA */
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#define MSG_TITLE "External Viewers Setup"
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#define MSG_NEW_ENTRY "New Entry"
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#define MSG_TYPE "Type"
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#define MSG_COMMAND "Command"
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#define MSG_REGISTER "Register"
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#define MSG_DELETE "Delete"
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#define MSG_DOIT "Do it"
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#endif /* LANG != JA */
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char *local_cookie;
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void
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extractMailcapEntry(char *mcap_entry, char **type, char **cmd)
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{
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int j;
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while (*mcap_entry && IS_SPACE(*mcap_entry))
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mcap_entry++;
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for (j = 0;
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mcap_entry[j] && mcap_entry[j] != ';' && !IS_SPACE(mcap_entry[j]);
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j++) ;
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*type = allocStr(mcap_entry, j);
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if (mcap_entry[j] == ';')
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j++;
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while (mcap_entry[j] && IS_SPACE(mcap_entry[j]))
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j++;
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*cmd = allocStr(&mcap_entry[j], -1);
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}
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static void
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bye(const char *action, const char *mailcap)
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{
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printf("Content-Type: text/plain\n\n%s %s\n", action, mailcap);
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exit(1);
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}
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void
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printMailcapPanel(char *mailcap)
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{
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FILE *f;
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Str tmp;
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char *type, *viewer;
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if ((f = fopen(mailcap, "rt")) == NULL) {
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if (errno != ENOENT)
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bye("Can't open", mailcap);
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if (!(f = fopen(mailcap, "a+"))) /* if $HOME/.mailcap is not found, make it now! */
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bye("Can't open", mailcap);
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{
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char *SysMailcap = getenv("SYS_MAILCAP");
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FILE *s = fopen(SysMailcap ? SysMailcap : "/etc/mailcap", "r");
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if (s) {
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char buffer[256];
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while (fgets(buffer, sizeof buffer, s)) /* Copy system mailcap to */
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fputs(buffer, f); /* users' new one */
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fclose(s);
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rewind(f);
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}
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}
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}
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#if LANG == JA
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/* FIXME: gettextize here */
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printf("Content-Type: text/html; charset=EUC-JP\n\n");
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#else
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printf("Content-Type: text/html\n\n");
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#endif
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printf("<html>\n<head>\n<title>%s</title>\n</head>\n<body>\n<h1>%s</h1>\n",
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MSG_TITLE, MSG_TITLE);
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printf("<form method=post action=\"file:///$LIB/" W3MHELPERPANEL_CMDNAME
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"\">\n");
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printf("<input type=hidden name=mode value=edit>\n");
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printf("<input type=hidden name=cookie value=\"%s\">\n",
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html_quote(local_cookie));
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printf("<table>\n<tr><td>%s:<td>%s=<input type=text name=newtype size=40>\n\
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<tr><td><td>%s=<input type=text name=newcmd size=40>\n\
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<tr><td><input type=submit name=submit value=\"%s\">\n</table>\n",
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MSG_NEW_ENTRY, MSG_TYPE, MSG_COMMAND, MSG_REGISTER);
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printf("<p><hr width=50%%><p>\n<table border='0' cellpadding='0'>\n\
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<tr><th align=left><b>%s</b><th><b>%s</b>\n",
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MSG_TYPE, MSG_COMMAND);
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while (tmp = Strfgets(f), tmp->length > 0) {
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if (tmp->ptr[0] == '#')
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continue;
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Strchop(tmp);
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extractMailcapEntry(tmp->ptr, &type, &viewer);
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printf("<tr valign=top><td>%s<td>%s<td nowrap>", html_quote(type),
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html_quote(viewer));
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printf("<input type=checkbox name=delete value=\"%s\">%s\n",
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html_quote(type), MSG_DELETE);
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}
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printf("</table>\n<input type=submit name=submit value=\"%s\">\n</form>\n\
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</body>\n</html>\n",
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MSG_DOIT);
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}
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void
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editMailcap(char *mailcap, struct parsed_tagarg *args)
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{
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TextList *t = newTextList();
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TextListItem *ti;
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FILE *f;
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Str tmp;
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char *type, *viewer;
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struct parsed_tagarg *a;
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int delete_it;
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if ((f = fopen(mailcap, "rt")) == NULL)
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bye("Can't open", mailcap);
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while (tmp = Strfgets(f), tmp->length > 0) {
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if (tmp->ptr[0] == '#')
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continue;
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Strchop(tmp);
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extractMailcapEntry(tmp->ptr, &type, &viewer);
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delete_it = 0;
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for (a = args; a != NULL; a = a->next) {
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if (!strcmp(a->arg, "delete") && !strcmp(a->value, type)) {
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delete_it = 1;
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break;
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}
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}
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if (!delete_it)
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pushText(t, Sprintf("%s;\t%s\n", type, viewer)->ptr);
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}
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type = tag_get_value(args, "newtype");
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viewer = tag_get_value(args, "newcmd");
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if (type != NULL && *type != '\0' && viewer != NULL && *viewer != '\0')
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pushText(t, Sprintf("%s;\t%s\n", type, viewer)->ptr);
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fclose(f);
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if ((f = fopen(mailcap, "w")) == NULL)
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bye("Can't write to", mailcap);
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for (ti = t->first; ti != NULL; ti = ti->next)
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fputs(ti->ptr, f);
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fclose(f);
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printf("Content-Type: text/plain\n");
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printf("w3m-control: BACK\nw3m-control: BACK\n");
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printf("w3m-control: REINIT MAILCAP\n");
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}
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int
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main(int argc, char *argv[], char **envp)
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{
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Str mailcapfile;
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extern char *getenv();
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char *p;
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int length;
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Str qs = NULL;
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struct parsed_tagarg *cgiarg;
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char *mode;
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char *sent_cookie;
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GC_INIT();
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p = getenv("REQUEST_METHOD");
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if (p == NULL || strcasecmp(p, "post"))
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goto request_err;
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p = getenv("CONTENT_LENGTH");
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if (p == NULL || (length = atoi(p)) <= 0)
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goto request_err;
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qs = Strfgets(stdin);
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Strchop(qs);
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if (qs->length != length)
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goto request_err;
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cgiarg = cgistr2tagarg(qs->ptr);
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p = getenv("LOCAL_COOKIE_FILE");
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if (p) {
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FILE *f = fopen(p, "r");
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if (f) {
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local_cookie = Strfgets(f)->ptr;
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fclose(f);
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}
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}
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sent_cookie = tag_get_value(cgiarg, "cookie");
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if (local_cookie == NULL || sent_cookie == NULL ||
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strcmp(local_cookie, sent_cookie) != 0) {
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/* Local cookie doesn't match */
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bye("Local cookie doesn't match: It may be an illegal execution", "");
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}
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mode = tag_get_value(cgiarg, "mode");
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mailcapfile = Strnew_charp(expandPath(USER_MAILCAP));
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if (mode && !strcmp(mode, "edit")) {
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char *referer;
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/* check if I can edit my mailcap */
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if ((referer = getenv("HTTP_REFERER")) != NULL) {
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if (strncmp(referer, "file://", 7) != 0 &&
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strncmp(referer, "exec://", 7) != 0) {
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/* referer is not file: nor exec: */
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bye("It may be an illegal execution\n referer=", referer);
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}
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}
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/* edit mailcap */
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editMailcap(mailcapfile->ptr, cgiarg);
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}
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else {
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/* initial panel */
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printMailcapPanel(mailcapfile->ptr);
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}
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return 0;
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request_err:
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bye("Incomplete Request:", qs ? qs->ptr : "(null)");
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exit(1);
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}
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