Adding upstream version 0.5.1upstream/0.5.1

author: Tatsuya Kinoshita <tats@vega.ocn.ne.jp> 2011-05-04 07:05:14 +0000
committer: Tatsuya Kinoshita <tats@vega.ocn.ne.jp> 2011-05-04 07:05:14 +0000
commit: 72f72d64a422d6628c4796f5c0bf2e508f134214 (patch)
tree: 0c9ea90cc53310832c977265521fb44db24a515e /local.c
parent: Adding upstream version 0.3 (diff)
download: w3m-72f72d64a422d6628c4796f5c0bf2e508f134214.tar.gz
w3m-72f72d64a422d6628c4796f5c0bf2e508f134214.zip
1 files changed, 415 insertions, 0 deletions
diff --git a/local.c b/local.c
new file mode 100644
index 0000000..b1e388d
--- /dev/null
+++ b/local.c
@@ -0,0 +1,415 @@
+/* $Id: local.c,v 1.31 2003/09/26 17:59:51 ukai Exp $ */
+#include "fm.h"
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <signal.h>
+#include <errno.h>
+#ifdef HAVE_READLINK
+#include <unistd.h>
+#endif				/* HAVE_READLINK */
+#ifdef __EMX__
+#include <limits.h>		/* _MAX_PATH ? */
+#endif				/* __EMX__ */
+#include "local.h"
+#include "hash.h"
+
+#define CGIFN_NORMAL     0
+#define CGIFN_LIBDIR     1
+#define CGIFN_CGIBIN     2
+
+static Str Local_cookie = NULL;
+static char *Local_cookie_file = NULL;
+
+static void
+writeLocalCookie()
+{
+    FILE *f;
+
+    if (no_rc_dir)
+	return;
+    if (Local_cookie_file)
+	return;
+    Local_cookie_file = tmpfname(TMPF_COOKIE, NULL)->ptr;
+    set_environ("LOCAL_COOKIE_FILE", Local_cookie_file);
+    f = fopen(Local_cookie_file, "wb");
+    if (!f)
+	return;
+    localCookie();
+    fwrite(Local_cookie->ptr, sizeof(char), Local_cookie->length, f);
+    fclose(f);
+    chmod(Local_cookie_file, S_IRUSR | S_IWUSR);
+}
+
+/* setup cookie for local CGI */
+Str
+localCookie()
+{
+    char hostname[256];
+
+    if (Local_cookie)
+	return Local_cookie;
+    gethostname(hostname, 256);
+    srand48((long)New(char) + (long)time(NULL));
+    Local_cookie = Sprintf("%ld@%s", lrand48(), hostname);
+    return Local_cookie;
+}
+
+Str
+loadLocalDir(char *dname)
+{
+    Str tmp;
+    DIR *d;
+    Directory *dir;
+    struct stat st;
+    char **flist;
+    char *p, *qdir;
+    Str fbuf = Strnew();
+#ifdef HAVE_LSTAT
+    struct stat lst;
+#ifdef HAVE_READLINK
+    char lbuf[1024];
+#endif				/* HAVE_READLINK */
+#endif				/* HAVE_LSTAT */
+    int i, l, nrow = 0, n = 0, maxlen = 0;
+    int nfile, nfile_max = 100;
+    Str dirname;
+
+    d = opendir(dname);
+    if (d == NULL)
+	return NULL;
+    dirname = Strnew_charp(dname);
+    if (Strlastchar(dirname) != '/')
+	Strcat_char(dirname, '/');
+    qdir = html_quote(Str_conv_from_system(dirname)->ptr);
+    /* FIXME: gettextize? */
+    tmp = Strnew_m_charp("<HTML>\n<HEAD>\n<BASE HREF=\"file://", qdir,
+			 "\">\n<TITLE>Directory list of ", qdir,
+			 "</TITLE>\n</HEAD>\n<BODY>\n<H1>Directory list of ",
+			 qdir, "</H1>\n", NULL);
+    flist = New_N(char *, nfile_max);
+    nfile = 0;
+    while ((dir = readdir(d)) != NULL) {
+	flist[nfile++] = allocStr(dir->d_name, -1);
+	if (nfile == nfile_max) {
+	    nfile_max *= 2;
+	    flist = New_Reuse(char *, flist, nfile_max);
+	}
+	if (multicolList) {
+	    l = strlen(dir->d_name);
+	    if (l > maxlen)
+		maxlen = l;
+	    n++;
+	}
+    }
+
+    if (multicolList) {
+	l = COLS / (maxlen + 2);
+	if (!l)
+	    l = 1;
+	nrow = (n + l - 1) / l;
+	n = 1;
+	Strcat_charp(tmp, "<TABLE CELLPADDING=0>\n<TR VALIGN=TOP>\n");
+    }
+    qsort((void *)flist, nfile, sizeof(char *), strCmp);
+    for (i = 0; i < nfile; i++) {
+	p = flist[i];
+	if (strcmp(p, ".") == 0)
+	    continue;
+	Strcopy(fbuf, dirname);
+	if (Strlastchar(fbuf) != '/')
+	    Strcat_char(fbuf, '/');
+	Strcat_charp(fbuf, p);
+#ifdef HAVE_LSTAT
+	if (lstat(fbuf->ptr, &lst) < 0)
+	    continue;
+#endif				/* HAVE_LSTAT */
+	if (stat(fbuf->ptr, &st) < 0)
+	    continue;
+	if (multicolList) {
+	    if (n == 1)
+		Strcat_charp(tmp, "<TD><NOBR>");
+	}
+	else {
+#ifdef HAVE_LSTAT
+	    if (S_ISLNK(lst.st_mode))
+		Strcat_charp(tmp, "[LINK] ");
+	    else
+#endif				/* HAVE_LSTAT */
+	    if (S_ISDIR(st.st_mode))
+		Strcat_charp(tmp, "[DIR]&nbsp; ");
+	    else
+		Strcat_charp(tmp, "[FILE] ");
+	}
+	Strcat_m_charp(tmp, "<A HREF=\"", html_quote(file_quote(p)), NULL);
+	if (S_ISDIR(st.st_mode))
+	    Strcat_char(tmp, '/');
+	Strcat_m_charp(tmp, "\">", html_quote(conv_from_system(p)), NULL);
+	if (S_ISDIR(st.st_mode))
+	    Strcat_char(tmp, '/');
+	Strcat_charp(tmp, "</A>");
+	if (multicolList) {
+	    if (n++ == nrow) {
+		Strcat_charp(tmp, "</NOBR></TD>\n");
+		n = 1;
+	    }
+	    else {
+		Strcat_charp(tmp, "<BR>\n");
+	    }
+	}
+	else {
+#if defined(HAVE_LSTAT) && defined(HAVE_READLINK)
+	    if (S_ISLNK(lst.st_mode)) {
+		if ((l = readlink(fbuf->ptr, lbuf, sizeof(lbuf))) > 0) {
+		    lbuf[l] = '\0';
+		    Strcat_m_charp(tmp, " -> ",
+				   html_quote(conv_from_system(lbuf)), NULL);
+		    if (S_ISDIR(st.st_mode))
+			Strcat_char(tmp, '/');
+		}
+	    }
+#endif				/* HAVE_LSTAT && HAVE_READLINK */
+	    Strcat_charp(tmp, "<br>\n");
+	}
+    }
+    if (multicolList) {
+	Strcat_charp(tmp, "</TR>\n</TABLE>\n");
+    }
+    Strcat_charp(tmp, "</BODY>\n</HTML>\n");
+
+    return tmp;
+}
+
+static int
+check_local_cgi(char *file, int status)
+{
+    struct stat st;
+
+    if (status != CGIFN_LIBDIR && status != CGIFN_CGIBIN)
+	return -1;
+    if (stat(file, &st) < 0)
+	return -1;
+    if (S_ISDIR(st.st_mode))
+	return -1;
+    if ((st.st_uid == geteuid() && (st.st_mode & S_IXUSR)) || (st.st_gid == getegid() && (st.st_mode & S_IXGRP)) || (st.st_mode & S_IXOTH))	/* executable */
+	return 0;
+    return -1;
+}
+
+void
+set_environ(char *var, char *value)
+{
+#ifdef HAVE_SETENV
+    if (var != NULL && value != NULL)
+	setenv(var, value, 1);
+#else				/* not HAVE_SETENV */
+#ifdef HAVE_PUTENV
+    static Hash_sv *env_hash = NULL;
+    Str tmp = Strnew_m_charp(var, "=", value, NULL);
+
+    if (env_hash == NULL)
+	env_hash = newHash_sv(20);
+    putHash_sv(env_hash, var, (void *)tmp->ptr);
+    putenv(tmp->ptr);
+#else				/* not HAVE_PUTENV */
+    extern char **environ;
+    char **ne;
+    char *p;
+    int i, l, el;
+    char **e, **newenv;
+
+    /* I have no setenv() nor putenv() */
+    /* This part is taken from terms.c of skkfep */
+    l = strlen(var);
+    for (e = environ, i = 0; *e != NULL; e++, i++) {
+	if (strncmp(e, var, l) == 0 && (*e)[l] == '=') {
+	    el = strlen(*e) - l - 1;
+	    if (el >= strlen(value)) {
+		strcpy(*e + l + 1, value);
+		return 0;
+	    }
+	    else {
+		for (; *e != NULL; e++, i++) {
+		    *e = *(e + 1);
+		}
+		i--;
+		break;
+	    }
+	}
+    }
+    newenv = (char **)GC_malloc((i + 2) * sizeof(char *));
+    if (newenv == NULL)
+	return;
+    for (e = environ, ne = newenv; *e != NULL; *(ne++) = *(e++)) ;
+    *(ne++) = p;
+    *ne = NULL;
+    environ = newenv;
+#endif				/* not HAVE_PUTENV */
+#endif				/* not HAVE_SETENV */
+}
+
+static void
+set_cgi_environ(char *name, char *fn, char *req_uri)
+{
+    set_environ("SERVER_SOFTWARE", w3m_version);
+    set_environ("SERVER_PROTOCOL", "HTTP/1.0");
+    set_environ("SERVER_NAME", "localhost");
+    set_environ("SERVER_PORT", "80");	/* dummy */
+    set_environ("REMOTE_HOST", "localhost");
+    set_environ("REMOTE_ADDR", "127.0.0.1");
+    set_environ("GATEWAY_INTERFACE", "CGI/1.1");
+
+    set_environ("SCRIPT_NAME", name);
+    set_environ("SCRIPT_FILENAME", fn);
+    set_environ("REQUEST_URI", req_uri);
+}
+
+static Str
+checkPath(char *fn, char *path)
+{
+    char *p;
+    Str tmp;
+    struct stat st;
+    while (*path) {
+	p = strchr(path, ':');
+	tmp = Strnew_charp(expandPath(p ? allocStr(path, p - path) : path));
+	if (Strlastchar(tmp) != '/')
+	    Strcat_char(tmp, '/');
+	Strcat_charp(tmp, fn);
+	if (stat(tmp->ptr, &st) == 0)
+	    return tmp;
+	if (!p)
+	    break;
+	path = p + 1;
+	while (*path == ':')
+	    path++;
+    }
+    return NULL;
+}
+
+static int
+cgi_filename(char *uri, char **fn, char **name, char **path_info)
+{
+    Str tmp;
+    int offset;
+
+    *fn = uri;
+    *name = uri;
+    *path_info = NULL;
+
+    if (cgi_bin != NULL && strncmp(uri, "/cgi-bin/", 9) == 0) {
+	offset = 9;
+	if ((*path_info = strchr(uri + offset, '/')))
+	    *name = allocStr(uri, *path_info - uri);
+	tmp = checkPath(*name + offset, cgi_bin);
+	if (tmp == NULL)
+	    return CGIFN_NORMAL;
+	*fn = tmp->ptr;
+	return CGIFN_CGIBIN;
+    }
+
+#ifdef __EMX__
+    {
+	char lib[_MAX_PATH];
+	_abspath(lib, w3m_lib_dir(), _MAX_PATH);	/* Translate '\\' to '/' */
+	tmp = Strnew_charp(lib);
+    }
+#else
+    tmp = Strnew_charp(w3m_lib_dir());
+#endif
+    if (Strlastchar(tmp) != '/')
+	Strcat_char(tmp, '/');
+    if (strncmp(uri, "/$LIB/", 6) == 0)
+	offset = 6;
+    else if (strncmp(uri, tmp->ptr, tmp->length) == 0)
+	offset = tmp->length;
+    else if (*uri == '/' && document_root != NULL) {
+	Str tmp2 = Strnew_charp(document_root);
+	if (Strlastchar(tmp2) != '/')
+	    Strcat_char(tmp2, '/');
+	Strcat_charp(tmp2, uri + 1);
+	if (strncmp(tmp2->ptr, tmp->ptr, tmp->length) != 0)
+	    return CGIFN_NORMAL;
+	uri = tmp2->ptr;
+	*name = uri;
+	offset = tmp->length;
+    }
+    else
+	return CGIFN_NORMAL;
+    if ((*path_info = strchr(uri + offset, '/')))
+	*name = allocStr(uri, *path_info - uri);
+    Strcat_charp(tmp, *name + offset);
+    *fn = tmp->ptr;
+    return CGIFN_LIBDIR;
+}
+
+FILE *
+localcgi_post(char *uri, char *qstr, FormList *request, char *referer)
+{
+    FILE *fr = NULL, *fw = NULL;
+    int status;
+    pid_t pid;
+    char *file = uri, *name = uri, *path_info = NULL, *tmpf = NULL;
+
+    status = cgi_filename(uri, &file, &name, &path_info);
+    if (check_local_cgi(file, status) < 0)
+	return NULL;
+    writeLocalCookie();
+    if (request && request->enctype != FORM_ENCTYPE_MULTIPART) {
+	tmpf = tmpfname(TMPF_DFL, NULL)->ptr;
+	fw = fopen(tmpf, "w");
+	if (!fw)
+	    return NULL;
+    }
+    pid = open_pipe_rw(&fr, NULL);
+    if (pid < 0)
+	return NULL;
+    else if (pid) {
+	if (fw)
+	    fclose(fw);
+	return fr;
+    }
+    setup_child(TRUE, 2, fw ? fileno(fw) : -1);
+
+    if (qstr)
+	uri = Strnew_m_charp(uri, "?", qstr, NULL)->ptr;
+    set_cgi_environ(name, file, uri);
+    if (path_info)
+	set_environ("PATH_INFO", path_info);
+    if (referer && referer != NO_REFERER)
+	set_environ("HTTP_REFERER", referer);
+    if (request) {
+	set_environ("REQUEST_METHOD", "POST");
+	if (qstr)
+	    set_environ("QUERY_STRING", qstr);
+	set_environ("CONTENT_LENGTH", Sprintf("%d", request->length)->ptr);
+	if (request->enctype == FORM_ENCTYPE_MULTIPART) {
+	    set_environ("CONTENT_TYPE",
+			Sprintf("multipart/form-data; boundary=%s",
+				request->boundary)->ptr);
+	    freopen(request->body, "r", stdin);
+	}
+	else {
+	    set_environ("CONTENT_TYPE", "application/x-www-form-urlencoded");
+	    fwrite(request->body, sizeof(char), request->length, fw);
+	    fclose(fw);
+	    freopen(tmpf, "r", stdin);
+	}
+    }
+    else {
+	set_environ("REQUEST_METHOD", "GET");
+	set_environ("QUERY_STRING", qstr ? qstr : "");
+	freopen(DEV_NULL_PATH, "r", stdin);
+    }
+
+#ifdef HAVE_CHDIR		/* ifndef __EMX__ ? */
+    chdir(mydirname(file));
+#endif
+    execl(file, mybasename(file), NULL);
+    fprintf(stderr, "execl(\"%s\", \"%s\", NULL): %s\n",
+	    file, mybasename(file), strerror(errno));
+    exit(1);
+    return NULL;
+}
author	Tatsuya Kinoshita <tats@vega.ocn.ne.jp>	2011-05-04 07:05:14 +0000
committer	Tatsuya Kinoshita <tats@vega.ocn.ne.jp>	2011-05-04 07:05:14 +0000
commit	72f72d64a422d6628c4796f5c0bf2e508f134214 (patch)
tree	0c9ea90cc53310832c977265521fb44db24a515e /local.c
parent	Adding upstream version 0.3 (diff)
download	w3m-72f72d64a422d6628c4796f5c0bf2e508f134214.tar.gz w3m-72f72d64a422d6628c4796f5c0bf2e508f134214.zip