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-rw-r--r--autologin.c154
1 files changed, 96 insertions, 58 deletions
diff --git a/autologin.c b/autologin.c
index 45a269a..b3d5d5e 100644
--- a/autologin.c
+++ b/autologin.c
@@ -1,42 +1,89 @@
+/*
+ Mac-Telnet - Connect to RouterOS or mactelnetd devices via MAC address
+ Copyright (C) 2010, Håkon Nessjøen <haakon.nessjoen@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include <libintl.h>
+#include <locale.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include "autologin.h"
+#include "config.h"
+
+#define _(String) gettext (String)
+
+struct autologin_profile login_profiles[AUTOLOGIN_MAXPROFILES];
+
+struct autologin_profile *autologin_find_profile(char *identifier) {
+ int i;
+ struct autologin_profile *default_profile = NULL;
+
+ if (strlen(identifier) == 0) return NULL;
+
+ for (i = 0; i < AUTOLOGIN_MAXPROFILES; ++i) {
+ if (login_profiles[i].inuse && strcasecmp(identifier, login_profiles[i].identifier) == 0) {
+ return &login_profiles[i];
+ }
+ if (login_profiles[i].inuse && strcasecmp("default", login_profiles[i].identifier) == 0) {
+ default_profile = &login_profiles[i];
+ }
+ }
+ return default_profile;
+}
+
+static char *tilde_to_path(char *path) {
+ char *homepath;
+ if (*path == '~' && (homepath = getenv("HOME"))) {
+ static char newpath[256];
+ memset(newpath, 0, sizeof(newpath));
+ strncpy(newpath, homepath, 255);
+ strncat(newpath, path+1, 255);
+ return newpath;
+ }
+ return path;
+}
-#define AUTOLOGIN_PATH ".mactelnet"
-#define AUTOLOGIN_MAXSTR 100
-#define AUTOLOGIN_MAXPROFILES 100
-
-struct autologin {
- char identifier[AUTOLOGIN_MAXSTR];
- char username[AUTOLOGIN_MAXSTR];
- char password[AUTOLOGIN_MAXSTR];
- char inuse:1;
- char hasUsername:1;
- char hasPassword:1;
-};
-
-struct autologin logins[AUTOLOGIN_MAXPROFILES];
-
-enum autologin_state {
- ALS_NONE,
- ALS_PREIDENTIFIER,
- ALS_IDENTIFIER,
- ALS_PREKEY,
- ALS_KEY,
- ALS_PREVALUE,
- ALS_VALUE
-};
-#define AL_NONE 0
-
-int main() {
+int autologin_readfile(char *configfile) {
FILE *fp;
char c;
int i = -1;
char *p;
+ char *file_to_read;
char key[AUTOLOGIN_MAXSTR];
char value[AUTOLOGIN_MAXSTR];
int line_counter=1;
enum autologin_state state = ALS_NONE;
- fp = fopen(AUTOLOGIN_PATH, "r");
+
+ memset(login_profiles, 0, sizeof(login_profiles));
+
+ /* Convert ~/path to /home/username/path */
+ file_to_read = tilde_to_path(configfile);
+
+ fp = fopen(file_to_read, "r");
+ if (fp <= 0) {
+ if (strcmp(configfile, AUTOLOGIN_PATH) == 0) {
+ /* Silent ignore? */
+ } else {
+ fprintf(stderr, _("Error opening autologin file %s: %s\n"), file_to_read, strerror(errno));
+ }
+ return 0;
+ }
while ((c = fgetc(fp)) && !feof(fp)) {
if (c == '#') {
while ((c = fgetc(fp)) != '\n' && !feof(fp));
@@ -48,7 +95,7 @@ int main() {
if (i == AUTOLOGIN_MAXPROFILES) {
goto done;
}
- p = logins[i].identifier;
+ p = login_profiles[i].identifier;
state++;
break;
@@ -56,7 +103,7 @@ int main() {
memset(key, 0, AUTOLOGIN_MAXSTR);
memset(value, 0, AUTOLOGIN_MAXSTR);
p = key;
- logins[i].inuse = 1;
+ login_profiles[i].inuse = 1;
state++;
break;
@@ -65,6 +112,8 @@ int main() {
p = value;
state++;
break;
+ default:
+ break;
}
switch (state) {
@@ -76,19 +125,18 @@ int main() {
case ALS_IDENTIFIER:
if (c == ']') {
- //fprintf(stderr, "debug: identifier %s on line %d\n", logins[i].identifier, line_counter);
state = ALS_PREKEY;
break;
}
if (c == '\n') {
- fprintf(stderr, "Error on line %d in %s: New line in middle of identifier\n", line_counter, AUTOLOGIN_PATH);
+ fprintf(stderr, _("Error on line %d in %s: New line in middle of identifier\n"), line_counter, configfile);
state = ALS_NONE;
break;
}
*p++ = c;
- if (p - logins[i].identifier == AUTOLOGIN_MAXSTR-1) {
+ if (p - login_profiles[i].identifier == AUTOLOGIN_MAXSTR-1) {
*p = 0;
- fprintf(stderr, "Error on line %d in %s: Identifier string too long.\n", line_counter, AUTOLOGIN_PATH);
+ fprintf(stderr, _("Error on line %d in %s: Identifier string too long.\n"), line_counter, configfile);
while ((c = fgetc(fp)) != '\n' && c != ']' && !feof(fp));
state = ALS_PREKEY;
break;
@@ -105,18 +153,18 @@ int main() {
state = ALS_PREIDENTIFIER;
break;
}
- if (c == ' ') { // ignore whitespace
+ if (c == ' ') { /* ignore whitespace */
break;
}
if (c == '\n') {
- fprintf(stderr, "Error on line %d in %s: Newline before '=' character\n", line_counter, AUTOLOGIN_PATH);
+ fprintf(stderr, _("Error on line %d in %s: Newline before '=' character\n"), line_counter, configfile);
state = ALS_PREKEY;
break;
}
*p++ = c;
if (p - key == AUTOLOGIN_MAXSTR-1) {
*p = 0;
- fprintf(stderr, "Error on line %d in %s: Key string too long.\n", line_counter, AUTOLOGIN_PATH);
+ fprintf(stderr, _("Error on line %d in %s: Key string too long.\n"), line_counter, configfile);
while ((c = fgetc(fp)) != '\n' && c != '=' && !feof(fp));
if (c == '\n') {
state = ALS_PREKEY;
@@ -130,30 +178,33 @@ int main() {
if (p == value && c == '\n') break;
if (c == '\n') {
if (strncasecmp(key, "user", AUTOLOGIN_MAXSTR) == 0) {
- strncpy(logins[i].username, value, AUTOLOGIN_MAXSTR);
- logins[i].hasUsername = 1;
+ strncpy(login_profiles[i].username, value, AUTOLOGIN_MAXSTR);
+ login_profiles[i].hasUsername = 1;
} else if (strncasecmp(key, "password", AUTOLOGIN_MAXSTR) == 0) {
- strncpy(logins[i].password, value, AUTOLOGIN_MAXSTR);
- logins[i].hasPassword = 1;
+ strncpy(login_profiles[i].password, value, AUTOLOGIN_MAXSTR);
+ login_profiles[i].hasPassword = 1;
} else {
- fprintf(stderr, "Warning on line %d of %s: Unknown parameter %s, ignoring.\n", line_counter, AUTOLOGIN_PATH, key);
+ fprintf(stderr, _("Warning on line %d of %s: Unknown parameter %s, ignoring.\n"), line_counter, configfile, key);
}
state = ALS_PREKEY;
break;
}
- if (c == ' ') { // ignore whitespace
+ if (c == ' ') { /* ignore whitespace */
break;
}
*p++ = c;
if (p - value == AUTOLOGIN_MAXSTR-1) {
*p = 0;
- fprintf(stderr, "Error on line %d in %s: Value string too long.\n", line_counter, AUTOLOGIN_PATH);
+ fprintf(stderr, _("Error on line %d in %s: Value string too long.\n"), line_counter, configfile);
while ((c = fgetc(fp)) != '\n' && !feof(fp));
if (c == '\n') {
state = ALS_PREKEY;
}
}
break;
+
+ default:
+ break;
}
if (c == '\n') {
line_counter++;
@@ -166,18 +217,5 @@ int main() {
done:
fclose(fp);
- printf("\n\nConfig:\n");
- for (i = 0; i < 100; ++i) {
- if (logins[i].inuse) {
- printf("Profile: '%s'\n", logins[i].identifier);
- if (logins[i].hasUsername) {
- printf("\tUsername: '%s'\n", logins[i].username);
- }
- if (logins[i].hasPassword) {
- printf("\tPassword: '%s'\n", logins[i].password);
- }
- printf("\n");
- }
- }
-
+ return 1;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-12 21:04:59 +0000