diff options
Diffstat (limited to 'implementation.c')
-rw-r--r-- | implementation.c | 117 |
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) |