[w3m-dev 03365] ~/.netrc support

* etc.c (add_auth_pass_entry): add netrc arg
		add new entry to tail
	(find_auth_pass_entry): ent->host == NULL is "default"
	(loadPasswd): rewrite with next_token, parsePasswd,
			openPasswdFile
			load ~/.netrc
	(next_token): added
	(parsePasswd): added
	(openPasswdFile): added
* ftp.c (openFTP): use find_auth_user_passwd
* NEWS: ~/.netrc
From: Fumitoshi UKAI  <ukai@debian.or.jp>
This commit is contained in:
Fumitoshi UKAI
2002-10-30 17:21:35 +00:00
parent d915ea74a5
commit c5a144b682
4 changed files with 179 additions and 70 deletions

View File

@@ -1,3 +1,18 @@
2002-10-31 Fumitoshi UKAI <ukai@debian.or.jp>
* [w3m-dev 03365] ~/.netrc support
* etc.c (add_auth_pass_entry): add netrc arg
add new entry to tail
(find_auth_pass_entry): ent->host == NULL is "default"
(loadPasswd): rewrite with next_token, parsePasswd,
openPasswdFile
load ~/.netrc
(next_token): added
(parsePasswd): added
(openPasswdFile): added
* ftp.c (openFTP): use find_auth_user_passwd
* NEWS: ~/.netrc
2002-10-31 Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
* [w3m-dev 03363] refresh download
@@ -21,6 +36,8 @@
use user and passwd if these are defined in ParsedURL
* file.c (getAuthCookie): change find_auth_user_passwd()
* proto.h (find_auth_user_passwd): change prototype
* NOTE: http://user:pass@www.url.com is NOT RECOMMENDED
for security reasons.
2002-10-30 Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
@@ -4059,4 +4076,4 @@ a * [w3m-dev 03276] compile error on EWS4800
* release-0-2-1
* import w3m-0.2.1
$Id: ChangeLog,v 1.461 2002/10/30 15:46:27 ukai Exp $
$Id: ChangeLog,v 1.462 2002/10/30 17:21:35 ukai Exp $

1
NEWS
View File

@@ -1,5 +1,6 @@
w3m 0.3.2 (release candidate)
* ~/.netrc: password for ftp
* rc: display_lineinfo: display current line number
* rc: passwd_file: passwd file for HTTP auth
* func: MARK_WORD

206
etc.c
View File

@@ -1,4 +1,4 @@
/* $Id: etc.c,v 1.27 2002/10/30 15:41:51 ukai Exp $ */
/* $Id: etc.c,v 1.28 2002/10/30 17:21:40 ukai Exp $ */
#include "fm.h"
#include <pwd.h>
#include "myctype.h"
@@ -862,14 +862,22 @@ dir_under(const char *x, const char *y)
}
static void
add_auth_pass_entry(const struct auth_pass *ent)
add_auth_pass_entry(const struct auth_pass *ent, int netrc)
{
if (ent->host && (ent->is_proxy || ent->file || ent->realm)
if ((ent->host || netrc) /* netrc accept default (host == NULL) */
&&(ent->is_proxy || ent->file || ent->realm || netrc)
&& ent->uname && ent->pwd) {
struct auth_pass *newent = New(struct auth_pass);
memcpy(newent, ent, sizeof(struct auth_pass));
newent->next = passwords;
passwords = newent;
if (passwords == NULL)
passwords = newent;
else if (passwords->next == NULL)
passwords->next = newent;
else {
struct auth_pass *ep = passwords;
for (; ep->next; ep = ep->next) ;
ep->next = newent;
}
}
/* ignore invalid entries */
}
@@ -880,7 +888,8 @@ find_auth_pass_entry(char *host, int port, char *file, char *realm,
{
struct auth_pass *ent;
for (ent = passwords; ent != NULL; ent = ent->next) {
if (ent->is_proxy == is_proxy && !Strcmp_charp(ent->host, host)
if (ent->is_proxy == is_proxy
&& (!ent->host || !Strcmp_charp(ent->host, host))
&& (!ent->port || ent->port == port)
&& (!ent->file || !file || dir_under(ent->file->ptr, file))
&& (!ent->realm || !realm || !Strcmp_charp(ent->realm, realm))
@@ -923,18 +932,117 @@ find_auth_user_passwd(ParsedURL *pu, char *realm,
* password <passwd>
*/
#define PASS_IS_READABLE_MSG "SECURITY NOTE: password file must not be accessible by others"
void
loadPasswd(void)
static Str
next_token(Str arg)
{
Str narg = NULL;
char *p, *q;
if (arg == NULL || arg->length == 0)
return NULL;
p = arg->ptr;
q = p;
SKIP_NON_BLANKS(q);
if (*q != '\0') {
*q++ = '\0';
SKIP_BLANKS(q);
if (*q != '\0')
narg = Strnew_charp(q);
}
return narg;
}
static void
parsePasswd(FILE * fp, int netrc)
{
struct auth_pass ent;
Str line = NULL;
bzero(&ent, sizeof(struct auth_pass));
while (1) {
Str arg = NULL;
char *p;
if (line == NULL || line->length == 0)
line = Strfgets(fp);
if (line->length == 0)
break;
Strchop(line);
Strremovefirstspaces(line);
p = line->ptr;
if (*p == '#' || *p == '\0') {
line = NULL;
continue; /* comment or empty line */
}
arg = next_token(line);
if (!strcmp(p, "machine") || !strcmp(p, "host")
|| (netrc && !strcmp(p, "default"))) {
add_auth_pass_entry(&ent, netrc);
bzero(&ent, sizeof(struct auth_pass));
if (netrc)
ent.port = 21; /* XXX: getservbyname("ftp"); ? */
if (strcmp(p, "default") != 0) {
line = next_token(arg);
ent.host = arg;
}
else {
line = arg;
}
}
else if (!netrc && !strcmp(p, "port") && arg) {
line = next_token(arg);
ent.port = atoi(arg->ptr);
}
else if (!netrc && !strcmp(p, "proxy")) {
ent.is_proxy = 1;
line = arg;
}
else if (!netrc && !strcmp(p, "path")) {
line = next_token(arg);
ent.file = arg;
}
else if (!netrc && !strcmp(p, "realm")) {
/* XXX: rest of line becomes arg for realm */
line = NULL;
ent.realm = arg;
}
else if (!strcmp(p, "login")) {
line = next_token(arg);
ent.uname = arg;
}
else if (!strcmp(p, "password") || !strcmp(p, "passwd")) {
line = next_token(arg);
ent.pwd = arg;
}
else if (netrc && !strcmp(p, "machdef")) {
while ((line = Strfgets(fp))->length != 0) {
if (*line->ptr == '\n')
break;
}
line = NULL;
}
else if (netrc && !strcmp(p, "account")) {
/* ignore */
line = next_token(arg);
}
else {
/* ignore rest of line */
line = NULL;
}
}
add_auth_pass_entry(&ent, netrc);
}
#define PASS_IS_READABLE_MSG "SECURITY NOTE: passwd file must not be accessible by others"
static FILE *
openPasswdFile(char *fname)
{
struct stat st;
FILE *fp;
struct auth_pass ent;
if (passwd_file == NULL)
return;
if (stat(expandName(passwd_file), &st) < 0)
return;
if (fname == NULL)
return NULL;
if (stat(expandName(fname), &st) < 0)
return NULL;
/* check permissions, if group or others readable or writable,
* refuse it, because it's insecure.
@@ -949,58 +1057,28 @@ loadPasswd(void)
fputc('\n', stderr);
}
sleep(2);
return;
return NULL;
}
fp = fopen(expandName(passwd_file), "r");
if (fp == NULL)
return; /* never? */
return fopen(expandName(fname), "r");
}
bzero(&ent, sizeof(struct auth_pass));
while (1) {
Str line;
Str arg = NULL;
char *p, *q;
line = Strfgets(fp);
if (line->length == 0)
break;
p = line->ptr;
p[line->length - 1] = '\0'; /* remove CR */
SKIP_BLANKS(p);
if (*p == '#' || *p == '\0')
continue; /* comment or empty line */
q = p;
SKIP_NON_BLANKS(q);
if (*q != '\0') {
*q++ = '\0';
SKIP_BLANKS(q);
if (*q != '\0')
arg = Strnew_charp(q);
}
if (!strcmp(p, "machine") || !strcmp(p, "host")) {
add_auth_pass_entry(&ent);
bzero(&ent, sizeof(struct auth_pass));
ent.host = arg;
}
else if (!strcmp(p, "port") && arg)
ent.port = atoi(arg->ptr);
else if (!strcmp(p, "proxy") && !arg)
ent.is_proxy = 1;
else if (!strcmp(p, "path"))
ent.file = arg;
else if (!strcmp(p, "realm"))
ent.realm = arg;
else if (!strcmp(p, "login"))
ent.uname = arg;
else if (!strcmp(p, "password") || !strcmp(p, "passwd"))
ent.pwd = arg;
/* ignore */
void
loadPasswd(void)
{
FILE *fp;
fp = openPasswdFile(passwd_file);
if (fp != NULL) {
parsePasswd(fp, 0);
fclose(fp);
}
/* for FTP */
fp = openPasswdFile("~/.netrc");
if (fp != NULL) {
parsePasswd(fp, 1);
fclose(fp);
}
add_auth_pass_entry(&ent);
fclose(fp);
return;
}

23
ftp.c
View File

@@ -1,4 +1,4 @@
/* $Id: ftp.c,v 1.12 2002/08/20 17:49:39 ukai Exp $ */
/* $Id: ftp.c,v 1.13 2002/10/30 17:21:42 ukai Exp $ */
#include <stdio.h>
#include <pwd.h>
#include <Str.h>
@@ -391,8 +391,8 @@ openFTP(ParsedURL *pu)
Str tmp2 = Strnew();
Str tmp3 = Strnew();
STATUS s;
char *user;
char *pass;
char *user = NULL;
char *pass = NULL;
Str pwd = NULL;
int add_auth_cookie_flag;
char *realpathname = NULL;
@@ -402,13 +402,26 @@ openFTP(ParsedURL *pu)
#endif
add_auth_cookie_flag = 0;
if (pu->user)
if (pu->user == NULL && pu->pass == NULL) {
Str uname, pwd;
if (find_auth_user_passwd(pu, NULL, &uname, &pwd, 0)) {
if (uname)
user = uname->ptr;
if (pwd)
pass = pwd->ptr;
}
}
if (user)
/* do nothing */ ;
else if (pu->user)
user = pu->user;
else {
Strcat_charp(tmp3, "anonymous");
user = tmp3->ptr;
}
if (pu->pass)
if (pass)
/* do nothing */ ;
else if (pu->pass)
pass = pu->pass;
else if (pu->user) {
pwd = find_auth_cookie(pu->host, pu->port, pu->file, pu->user);