diff options
Diffstat (limited to 'src/main.c')
| -rw-r--r-- | src/main.c | 470 |
1 files changed, 12 insertions, 458 deletions
@@ -20,21 +20,12 @@ #include <stdlib.h> #include <unistd.h> #include <string.h> -#include <getopt.h> -#include <dirent.h> -#include <libgen.h> -#include <stdarg.h> #include <errno.h> #include <sys/stat.h> -#include <sys/wait.h> -#include <fcntl.h> #include "constants.h" -#include "easydir.h" -#include "xstd.h" -#include "implementation.h" #include "exec-cmd.h" -#include "tree.h" +#include "xstd.h" struct cmd_struct { const char *cmd; @@ -53,438 +44,6 @@ static struct cmd_struct commands[] = { { NULL, NULL } }; -int cmd_init(int argc, char *argv[]) -{ - const char description[] = "init gpg-key\n"; - char *gpg_key = argv[2]; - if(gpg_key == NULL) - usageprint("%s", description); - - // create .gpg-key in storage - FILE *filekey = fopen(GPGKEY_FILE, "w"); - if(!filekey) - errprint(1, "fopen() failed"); - - fputs(gpg_key, filekey); - fclose(filekey); - - printf("LockPassword initialized for %s\n", gpg_key); - return 0; -} - -int cmd_insert(int argc, char *argv[]) -{ - const char description[] = "insert [-ecf] passname\n"; - int flag_echo = 0, flag_force = 0, flag_copy = 0, result; - const struct option long_options[] = { - {"echo", no_argument, NULL, 'e'}, - {"force", no_argument, NULL, 'f'}, - {"copy", no_argument, NULL, 'c'}, - {NULL, 0, NULL, 0} - }; - - while((result = getopt_long(argc, argv, "efc", long_options, NULL)) != -1) { - switch(result) { - case 'e': { flag_echo = 1; break; } - case 'f': { flag_force = 1; break; } - case 'c': { flag_copy = 1; break; } - default: usageprint("%s", description); - } - } - - if(optind < argc) optind++; // for skip "insert" - dbgprint("passname: %s\n", argv[optind]); - - char *path = argv[optind]; - if(path == NULL) - usageprint("%s", description); - - result = check_sneaky_paths(path); - if(result) - errprint(1, "You have used forbidden paths\n"); - - if(file_exist(path) == F_ISFILE) { - if(!flag_force) { - if(overwrite_answer(path) != 'y') - return 1; - } - } - - char *f_pass; - if(!flag_echo) { - char *s_pass; - visible_enter(0); - - fputs("Type your password: ", stdout); - f_pass = get_input(minlen_pass, maxlen_pass); - fputs("\n", stdout); - if(f_pass == NULL) { - visible_enter(1); - errprint(1, "Incorrect password"); - } - - fputs("Type your password again: ", stdout); - s_pass = get_input(minlen_pass, maxlen_pass); - fputs("\n", stdout); - visible_enter(1); - if(s_pass == NULL) { - free(f_pass); - errprint(1, "Incorrect password"); - } - - if(strcmp(f_pass, s_pass) != 0) { - free(f_pass); - free(s_pass); - errprint(1, "Password do not match"); - } - free(s_pass); - } - else { - fputs("Type your password: ", stdout); - f_pass = get_input(minlen_pass, maxlen_pass); - if(f_pass == NULL) - errprint(1, "Incorrect password"); - } - - result = insert_pass(path, f_pass); - if(result) { - free(f_pass); - errprint(1, "Can't add password to LockPassword"); - } - if(flag_copy) - copy_outside(f_pass); - - printf("Password added successfully for %s\n", path); - free(f_pass); - return 0; -} - -int cmd_edit(int argc, char *argv[]) -{ - const char description[] = "edit passname\n"; - int result, fd, pid, len_pass, save_errno; - /* We expect tmpfs to be mounted at /dev/shm */ - char path_tmpfile[] = "/dev/shm/lpass.XXXXXX"; - char *editor, *password; - char *path = argv[2]; - if(!path) - usageprint("%s", description); - - result = check_sneaky_paths(path); - if(result) - errprint(1, "You have used forbidden paths\n"); - - editor = getenv("EDITOR"); - if(!editor) - editor = STD_TEXT_EDITOR; - - password = get_password(path); - if(password == NULL) - errprint(1, "Decrypt password failed\n"); - - fd = mkstemp(path_tmpfile); - if(fd == -1) { - free(password); - errprint(1, "mkstemp() failed\n"); - } - dbgprint("tmp file: %s\n", path_tmpfile); - - len_pass = strlen(password); - result = write(fd, password, len_pass); - free(password); - close(fd); - if(result != len_pass) { - unlink(path_tmpfile); - errprint(1, "Write password to temporary file failed\n"); - } - - // fork for text editor - char *editor_arg[] = {editor, path_tmpfile, NULL}; - pid = fork(); - if(pid == -1) { - unlink(path_tmpfile); - errprint(1, "%s fork() failed\n", editor); - } - if(pid == 0) { /* new process */ - execvp(editor, editor_arg); - perror(editor); - exit(1); - } - wait(&pid); - - fd = open(path_tmpfile, O_RDONLY); - if(fd == -1) { - unlink(path_tmpfile); - perror("open"); - return 1; - } - - password = malloc(sizeof(char) * (maxlen_pass + 1)); - len_pass = read(fd, password, maxlen_pass); - save_errno = errno; - close(fd); - unlink(path_tmpfile); - if(len_pass < minlen_pass) { - free(password); - if(len_pass == -1) - errprint(1, "Read temporary file: %s\n", strerror(save_errno)); - else - errprint(1, "Min. password length is %d\n", minlen_pass); - } - password[len_pass-1] = '\0'; - dbgprint("new pass: %s\n", password); - - // encrypt - result = insert_pass(path, password); - free(password); - if(result) - errprint(1, "Can't add password to LockPassword\n"); - - return 0; -} - -int cmd_generate(int argc, char *argv[]) -{ - const char description[] = "generate [-l=pass-length] [-f] passname\n"; - int pass_length = stdlen_pass; - int flag_force = 0, flag_copy = 0, result; - const struct option long_options[] = { - {"length", required_argument, NULL, 'l'}, - {"force", no_argument, NULL, 'f'}, - {"copy", no_argument, NULL, 'c'}, - {NULL, 0, NULL, 0} - }; - - while((result = getopt_long(argc, argv, "l:fc", long_options, NULL)) != -1) { - switch(result) { - // if optarg - incorrect number, atoi return 0 - case 'l': { pass_length = atoi(optarg); break; } - case 'f': { flag_force = 1; break; } - case 'c': { flag_copy = 1; break; } - default: usageprint("%s", description); - } - } - - if(optind < argc) optind++; // for skip "generate" - dbgprint("passname: %s\n", argv[optind]); - - char *path = argv[optind]; - if(path == NULL) - usageprint("%s", description); - - if(pass_length < minlen_pass || pass_length > maxlen_pass) - errprint(1, "You typed an incorrect length\n"); - - result = check_sneaky_paths(path); - if(result) - errprint(1, "You have used forbidden paths\n"); - - result = file_exist(path); - if(result == F_ISFILE) { - if(!flag_force) { - if(overwrite_answer(path) != 'y') - return 1; - } - } - else if(result == F_ISDIR) - errprint(1, "You can't generate password for directory\n"); - - // generate password - char *g_pass; - g_pass = gen_password(pass_length); - - result = insert_pass(path, g_pass); - if(result) { - free(g_pass); - errprint(1, "Can't add password to LockPassword"); - } - - if(flag_copy) - copy_outside(g_pass); - else - printf("Generated password: %s\n", g_pass); - printf("Password added successfully for %s\n", path); - free(g_pass); - return 0; -} - -int cmd_remove(int argc, char *argv[]) -{ - const char description[] = "rm passname\n"; - int result; - char *path = argv[2]; - if(!path) - usageprint("%s", description); - - result = check_sneaky_paths(path); - if(result) - errprint(1, "You have used forbidden paths\n"); - - result = file_exist(path); - if(result == F_NOEXIST) - errprint(1, "No such file exists\n"); - if(result == F_ISDIR) { - if(count_dir_entries(path) != 0) - errprint(1, "Directory not empty\n"); - } - - remove(path); - return 0; -} - -int cmd_move(int argc, char *argv[]) -{ - /* we have a two situation: - 1) mv file file - 2) mv file directory */ - - const char description[] = "mv [-f] old-path new-path\n"; - const struct option long_options[] = { - {"force", no_argument, NULL, 'f'}, - {NULL, 0, NULL, 0} - }; - - int result, flag_force = 0; - while((result = getopt_long(argc, argv, "f", long_options, NULL)) != -1) { - switch(result) { - case 'f': { flag_force = 1; break; } - default: usageprint("%s", description); - } - } - - if(optind < argc) optind++; // for skip "move" - if(!argv[optind] || !argv[optind+1]) - usageprint("%s", description); - - char *old_path = argv[optind]; - char *new_path = argv[optind+1]; - dbgprint("old-path = %s\n", old_path); - dbgprint("new-path = %s\n", new_path); - - result = check_sneaky_paths(old_path); - if(result) - errprint(1, "You have used forbidden paths\n"); - result = file_exist(old_path); - if(result == F_NOEXIST) - errprint(1, "No such file exists\n"); - - result = check_sneaky_paths(new_path); - if(result) - errprint(1, "You have used forbidden paths\n"); - result = file_exist(new_path); - if(result != F_NOEXIST) { - if(!flag_force) { - if(overwrite_answer(new_path) != 'y') - return 1; - } - } - - if(rename(old_path, new_path)) - perror("rename"); - return 0; -} - -int cmd_help(int argc, char *argv[]) -{ - printf("Synopsis:\n" - "\tlpass [command] [arguments] ...\n" - - "Commands:\n" - "\tinit gpg-key\n" - "\t\tInitialize the password manager using the passed gpg-key.\n" - "\tinsert [-e, --echo] [-c, --copy] [-f, --force] passname\n" - "\t\tAdd the specified passname to the password manager.\n" - "\tedit [-t, --text-editor=text-editor] passname\n" - "\t\tOpen the specified passname in a text editor, waiting for changes.\n" - "\tgenerate [-l, --length=pass-length] [-c, --copy] [-f, --force] passname\n" - "\t\tGenerate a random password and write it in passname.\n" - "\tmv [-f, --force] old-path new-path\n" - "\t\tMove/rename old-path to new-path.\n" - "\trm passname\n" - "\t\tRemove the passname you specified from the password manager.\n" - "\thelp\n" - "\t\tPrint help information about commands and the application itself.\n" - "\tversion\n" - "\t\tPrint version information.\n" - - "\nMore information may be found in the lpass(1) man page.\n"); - return 0; -} - -int cmd_version(int argc, char *argv[]) -{ - printf("LockPassword v%s\n" - "Release date: %s\n\n" - "Copyright (C) 2020-2021 Aleksandr D. Goncharov (Joursoir)\n" - "License: GNU GPL version 3\n" - "This is free software: you are free to change and redistribute it.\n" - "This program comes with ABSOLUTELY NO WARRANTY.\n", - VERSION, DATE_RELEASE); - return 0; -} - -int cmd_showtree(int argc, char *argv[]) -{ - const char description[] = "[-c] [passname]\n"; - int flag_copy = 0, result; - char *path; - const struct option long_options[] = { - {"copy", no_argument, NULL, 'c'}, - {NULL, 0, NULL, 0} - }; - - while((result = getopt_long(argc, argv, "c", long_options, NULL)) != -1) { - switch(result) { - case 'c': { flag_copy = 1; break; } - default: usageprint("%s", description); - } - } - - if(argv[optind]) { - result = check_sneaky_paths(argv[optind]); - if(result) - errprint(1, "You have used forbidden paths\n"); - path = malloc(sizeof(char) * (strlen(argv[optind]) + 1)); - strcpy(path, argv[optind]); - } - else { - path = malloc(sizeof(char) * 2); - strcpy(path, "."); - } - - result = file_exist(path); - if(result == F_ISDIR) - { - if(flag_copy) - errprint(1, "You must type a passname, not a directory\n"); - - if(strcmp(path, ".") == 0) printf("Password Manager\n"); - else printf("Password Manager/%s\n", path); - tree(path, ""); - } - else if(result == F_ISFILE) - { - char *pass = get_password(path); - if(pass == NULL) { - free(path); - errprint(1, "Decrypt password failed\n"); - } - if(flag_copy) - copy_outside(pass); - else - printf("%s\n", pass); - - free(pass); - } - else { - free(path); - errprint(1, "This path is not in the password storage\n"); - } - - free(path); - return 0; -} - static struct cmd_struct *get_cmd(const char *name) { struct cmd_struct *ptr; @@ -497,41 +56,36 @@ static struct cmd_struct *get_cmd(const char *name) static int goto_maindir() { - int ret = 0; + int retval = 0, result; char *rootdir = xstrcat(getenv("HOME"), LOCKPASS_DIR, "/"); if(chdir(rootdir)) // failed { // create main directory: - int res = mkdir(rootdir, S_IRWXU); - if(res) { - if(errno != EEXIST) { - perror("mkdir"); - ret = 1; - } + result = mkdir(rootdir, S_IRWXU); + if(result) { + if(errno != EEXIST) + errprint_ptr(&retval, 1, "%s", strerror(errno)); } else // try again: - ret = chdir(rootdir); + retval = chdir(rootdir); } free(rootdir); - return ret; + return retval; } int main(int argc, char *argv[]) { if(!isatty(STDIN_FILENO)) - errprint(1, "Please, use a terminal to run this application\n"); + errprint_r(1, "Please, use a terminal to run this application\n"); if(goto_maindir()) - perror("chdir"); + errprint_r(1, "%s", strerror(errno)); - int ret = 0; char *cmd = (argv[1] != NULL) ? argv[1] : ""; struct cmd_struct *ptr; if((ptr = get_cmd(cmd))) - ret = ptr->func(argc, argv); - else - ret = cmd_showtree(argc, argv); + return ptr->func(argc, argv); - return ret; + return cmd_showtree(argc, argv); }
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