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-rw-r--r--implementation.c117
1 files changed, 57 insertions, 60 deletions
diff --git a/implementation.c b/implementation.c
index f695b01..1c636ae 100644
--- a/implementation.c
+++ b/implementation.c
@@ -4,40 +4,65 @@
#include <termios.h>
#include <string.h>
#include <time.h>
-#include <sys/wait.h>
#include <errno.h>
#include "handerror.h"
#include "easydir.h"
+#define GPG_OUTPUT_FILE ".gap"
+#define GPG_PUBLICKEY_MAXLENGTH 1025 // +1 for '\0'
+
// == global var ==
-extern char *gPath_rootdir;
-extern char *gSecret_gpgkey;
+extern char *gPath_rootdir; // /home/[username]/.lockpassword/
+extern char *gPath_subdir; // example: programming/github.com
+extern char *gPath_pass; // example: programming/github.com/joursoir.gpg
+
+void checkForbiddenPaths(char *path) // check two dot in path
+{
+ int firstdot = 0;
+ for(int i=0; i < strlen(path); i++)
+ {
+ if(path[i] == '.')
+ firstdot ? printError("Error: please, don't use forbidden paths\n") : firstdot++;
+ else firstdot = 0;
+ }
+}
-char* getPassword(char *path, char *password, int maxlen)
+static char *getGPGKey(char *dest, size_t size)
{
- // gpg
- int pid = fork();
- if(pid == 1) callError(126);
- if(pid == 0) {
- execlp("gpg", "-d", "--quiet", "-r", gSecret_gpgkey, "-o", "gap", path, NULL);
- perror("gpg");
- exit(4);
+ FILE *fileGPG = fopen(".gpg-key", "r");
+ if(fileGPG == NULL) {
+ if(errno == ENOENT) printError("error: No GPG key exists\n");
+ callError(121);
}
- wait(&pid);
- FILE *filePass = fopen("gap", "r");
+ if(!fgets(dest, size, fileGPG)) {
+ callError(122);
+ }
+ fclose(fileGPG);
+
+ return dest;
+}
+
+char* getPassword(char *path_pass, char *password, size_t size) // path_pass is not used
+{
+ int size_gpgkey = sizeof(char) * GPG_PUBLICKEY_MAXLENGTH;
+ char *secret_gpgkey = (char *) malloc(size_gpgkey);
+ getGPGKey(secret_gpgkey, size_gpgkey);
+
+ char *arguments[] = {"gpg", "-d", "--quiet", "-r", secret_gpgkey, "-o", GPG_OUTPUT_FILE, gPath_pass, NULL};
+ easyFork("gpg", arguments);
+
+ FILE *filePass = fopen(GPG_OUTPUT_FILE, "r");
if(filePass == NULL) callError(127);
- char sign[maxlen];
- if(!fgets(sign, sizeof(sign), filePass)) {
+ if(!fgets(password, size, filePass)) {
callError(111);
}
-
- strcpy(password, sign);
fclose(filePass);
- remove("gap");
+ free(secret_gpgkey);
+ remove(GPG_OUTPUT_FILE);
return password;
}
@@ -56,61 +81,33 @@ void nonvisibleEnter(int status)
void insertPass(char *add_path, char *password)
{
- /* gPath_rootdir = /home/[username]/.lock-password/Password-Storage/
+ /* gPath_rootdir = /home/[username]/.lock-password/
add_path = banks/france/[number]
- main_path = banks/france
- file_path = [number] */
-
- char *main_path = malloc( sizeof(char) * (strlen(add_path)+1) );
- char *file_path = malloc( sizeof(char) * (strlen(add_path)+1) );
-
- if(splitPath(add_path, main_path, file_path) == NULL) {
- printError("lpass: The path you specified is incorrect\n");
- }
+ gPath_pass = banks/france/[number].gpg
+ gPath_subdir = banks/france */
- int pass_buf = strlen(gPath_rootdir) + strlen(add_path) + 1;
- char *final_path = (char*) malloc(sizeof(char) * pass_buf);
+ int size_gpgkey = sizeof(char) * GPG_PUBLICKEY_MAXLENGTH;
+ char *secret_gpgkey = (char *) malloc(size_gpgkey);
+ getGPGKey(secret_gpgkey, size_gpgkey);
- strcpy(final_path, gPath_rootdir);
- strcat(final_path, main_path);
-
- if(strcmp(main_path, "") != 0) {
- int pid = fork();
- if(pid == -1) callError(103);
- if(pid == 0) { /* new process */
- execlp("mkdir", "mkdir", "-p", main_path, NULL);
- perror("mkdir");
- exit(4);
- }
- wait(&pid);
- }
-
- if(chdir(final_path) != 0) {
- callError(107);
- }
+ char *arguments1[] = {"mkdir", "-p", gPath_subdir, NULL};
+ easyFork("mkdir", arguments1);
// create file, copy password there
FILE *filePass;
- filePass = fopen(file_path, "w");
+ filePass = fopen(add_path, "w");
if(filePass == NULL) {
callError(108);
}
fputs(password, filePass);
fclose(filePass);
- // gpg
- int pid = fork();
- if(pid == 1) callError(225);
- if(pid == 0) {
- execlp("gpg", "-a", "-r", gSecret_gpgkey, "-e", file_path, NULL);
- perror("gpg");
- exit(4);
- }
- wait(&pid);
- remove(file_path);
+ // encryption
+ char *arguments2[] = {"gpg", "-r", secret_gpgkey, "-e", add_path, NULL};
+ easyFork("gpg", arguments2);
- free(main_path);
- free(file_path);
+ remove(add_path);
+ free(secret_gpgkey);
}
char *typePass(char *text, char *dest, int minlen, int maxlen)