diff options
-rw-r--r-- | src/ask-password/ask-password.c | 4 | ||||
-rw-r--r-- | src/basic/strv.c | 9 | ||||
-rw-r--r-- | src/basic/strv.h | 4 | ||||
-rw-r--r-- | src/basic/util.c | 9 | ||||
-rw-r--r-- | src/basic/util.h | 5 | ||||
-rw-r--r-- | src/cryptsetup/cryptsetup.c | 40 | ||||
-rw-r--r-- | src/firstboot/firstboot.c | 9 | ||||
-rw-r--r-- | src/shared/ask-password-api.c | 3 | ||||
-rw-r--r-- | src/tty-ask-password-agent/tty-ask-password-agent.c | 8 |
9 files changed, 43 insertions, 48 deletions
diff --git a/src/ask-password/ask-password.c b/src/ask-password/ask-password.c index 89a49c2e86..a544866000 100644 --- a/src/ask-password/ask-password.c +++ b/src/ask-password/ask-password.c @@ -144,7 +144,7 @@ static int parse_argv(int argc, char *argv[]) { } int main(int argc, char *argv[]) { - _cleanup_strv_free_ char **l = NULL; + _cleanup_strv_free_erase_ char **l = NULL; usec_t timeout; char **p; int r; @@ -174,8 +174,6 @@ int main(int argc, char *argv[]) { break; } - strv_erase(l); - finish: free(arg_message); diff --git a/src/basic/strv.c b/src/basic/strv.c index b66c176487..501d022cb9 100644 --- a/src/basic/strv.c +++ b/src/basic/strv.c @@ -86,6 +86,15 @@ char **strv_free(char **l) { return NULL; } +char **strv_free_erase(char **l) { + char **i; + + STRV_FOREACH(i, l) + string_erase(*i); + + return strv_free(l); +} + char **strv_copy(char * const *l) { char **r, **k; diff --git a/src/basic/strv.h b/src/basic/strv.h index e49f443835..a5dc696a87 100644 --- a/src/basic/strv.h +++ b/src/basic/strv.h @@ -35,6 +35,10 @@ char **strv_free(char **l); DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free); #define _cleanup_strv_free_ _cleanup_(strv_freep) +char **strv_free_erase(char **l); +DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free_erase); +#define _cleanup_strv_free_erase_ _cleanup_(strv_free_erasep) + void strv_clear(char **l); char **strv_copy(char * const *l); diff --git a/src/basic/util.c b/src/basic/util.c index f24db9796e..a14ed2e4cc 100644 --- a/src/basic/util.c +++ b/src/basic/util.c @@ -6817,9 +6817,10 @@ void string_erase(char *x) { memory_erase(x, strlen(x)); } -void strv_erase(char **l) { - char **i; +char *string_free_erase(char *s) { + if (!s) + return NULL; - STRV_FOREACH(i, l) - string_erase(*i); + string_erase(s); + return mfree(s); } diff --git a/src/basic/util.h b/src/basic/util.h index b1c64675e0..4b1c5878c5 100644 --- a/src/basic/util.h +++ b/src/basic/util.h @@ -946,4 +946,7 @@ bool oom_score_adjust_is_valid(int oa); #define memory_erase(p, l) memset((p), 'x', (l)) void string_erase(char *x); -void strv_erase(char **l); + +char *string_free_erase(char *s); +DEFINE_TRIVIAL_CLEANUP_FUNC(char *, string_free_erase); +#define _cleanup_string_free_erase_ _cleanup_(string_free_erasep) diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c index c9be17446b..ecc1273eec 100644 --- a/src/cryptsetup/cryptsetup.c +++ b/src/cryptsetup/cryptsetup.c @@ -314,7 +314,7 @@ static char *disk_mount_point(const char *label) { static int get_password(const char *vol, const char *src, usec_t until, bool accept_cached, char ***ret) { _cleanup_free_ char *description = NULL, *name_buffer = NULL, *mount_point = NULL, *maj_min = NULL, *text = NULL, *escaped_name = NULL; - _cleanup_strv_free_ char **passwords = NULL, **passwords2 = NULL; + _cleanup_strv_free_erase_ char **passwords = NULL; const char *name = NULL; char **p, *id; int r = 0; @@ -361,32 +361,31 @@ static int get_password(const char *vol, const char *src, usec_t until, bool acc id = strjoina("cryptsetup:", escaped_name); - r = ask_password_auto(text, "drive-harddisk", id, "cryptsetup", until, ASK_PASSWORD_PUSH_CACHE|(accept_cached ? ASK_PASSWORD_ACCEPT_CACHED : 0), &passwords); + r = ask_password_auto(text, "drive-harddisk", id, "cryptsetup", until, + ASK_PASSWORD_PUSH_CACHE | (accept_cached*ASK_PASSWORD_ACCEPT_CACHED), + &passwords); if (r < 0) return log_error_errno(r, "Failed to query password: %m"); if (arg_verify) { + _cleanup_strv_free_erase_ char **passwords2 = NULL; + assert(strv_length(passwords) == 1); - if (asprintf(&text, "Please enter passphrase for disk %s! (verification)", name) < 0) { - r = log_oom(); - goto finish; - } + if (asprintf(&text, "Please enter passphrase for disk %s! (verification)", name) < 0) + return log_oom(); id = strjoina("cryptsetup-verification:", escaped_name); r = ask_password_auto(text, "drive-harddisk", id, "cryptsetup", until, ASK_PASSWORD_PUSH_CACHE, &passwords2); - if (r < 0) { - log_error_errno(r, "Failed to query verification password: %m"); - goto finish; - } + if (r < 0) + return log_error_errno(r, "Failed to query verification password: %m"); assert(strv_length(passwords2) == 1); if (!streq(passwords[0], passwords2[0])) { log_warning("Passwords did not match, retrying."); - r = -EAGAIN; - goto finish; + return -EAGAIN; } } @@ -400,10 +399,8 @@ static int get_password(const char *vol, const char *src, usec_t until, bool acc /* Pad password if necessary */ c = new(char, arg_key_size); - if (!c) { - r = -ENOMEM; - goto finish; - } + if (!c) + return log_oom(); strncpy(c, *p, arg_key_size); free(*p); @@ -413,13 +410,7 @@ static int get_password(const char *vol, const char *src, usec_t until, bool acc *ret = passwords; passwords = NULL; - r = 0; - -finish: - strv_erase(passwords); - strv_erase(passwords2); - - return r; + return 0; } static int attach_tcrypt( @@ -683,7 +674,7 @@ int main(int argc, char *argv[]) { } for (tries = 0; arg_tries == 0 || tries < arg_tries; tries++) { - _cleanup_strv_free_ char **passwords = NULL; + _cleanup_strv_free_erase_ char **passwords = NULL; if (!key_file) { k = get_password(argv[2], argv[3], until, tries == 0 && !arg_verify, &passwords); @@ -702,7 +693,6 @@ int main(int argc, char *argv[]) { arg_header ? argv[3] : NULL, passwords, flags); - strv_erase(passwords); if (k >= 0) break; else if (k == -EAGAIN) { diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c index da247fbef8..82ebb91788 100644 --- a/src/firstboot/firstboot.c +++ b/src/firstboot/firstboot.c @@ -455,7 +455,7 @@ static int prompt_root_password(void) { msg2 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: "); for (;;) { - _cleanup_free_ char *a = NULL, *b = NULL; + _cleanup_string_free_erase_ char *a = NULL, *b = NULL; r = ask_password_tty(msg1, NULL, 0, 0, NULL, &a); if (r < 0) @@ -467,19 +467,14 @@ static int prompt_root_password(void) { } r = ask_password_tty(msg2, NULL, 0, 0, NULL, &b); - if (r < 0) { - string_erase(a); + if (r < 0) return log_error_errno(r, "Failed to query root password: %m"); - } if (!streq(a, b)) { log_error("Entered passwords did not match, please try again."); - string_erase(a); - string_erase(b); continue; } - string_erase(b); arg_root_password = a; a = NULL; break; diff --git a/src/shared/ask-password-api.c b/src/shared/ask-password-api.c index e35594a5df..ddf42f11e1 100644 --- a/src/shared/ask-password-api.c +++ b/src/shared/ask-password-api.c @@ -94,7 +94,7 @@ static int retrieve_key(key_serial_t serial, char ***ret) { } static int add_to_keyring(const char *keyname, AskPasswordFlags flags, char **passwords) { - _cleanup_strv_free_ char **l = NULL; + _cleanup_strv_free_erase_ char **l = NULL; _cleanup_free_ char *p = NULL; key_serial_t serial; size_t n; @@ -119,7 +119,6 @@ static int add_to_keyring(const char *keyname, AskPasswordFlags flags, char **pa return r; r = strv_make_nulstr(l, &p, &n); - strv_erase(l); if (r < 0) return r; diff --git a/src/tty-ask-password-agent/tty-ask-password-agent.c b/src/tty-ask-password-agent/tty-ask-password-agent.c index 7a5ac9fa9c..8423364046 100644 --- a/src/tty-ask-password-agent/tty-ask-password-agent.c +++ b/src/tty-ask-password-agent/tty-ask-password-agent.c @@ -307,7 +307,7 @@ static int parse_password(const char *filename, char **wall) { } if (arg_plymouth) { - _cleanup_strv_free_ char **passwords = NULL; + _cleanup_strv_free_erase_ char **passwords = NULL; r = ask_password_plymouth(message, not_after, accept_cached ? ASK_PASSWORD_ACCEPT_CACHED : 0, filename, &passwords); if (r >= 0) { @@ -330,10 +330,8 @@ static int parse_password(const char *filename, char **wall) { } } - strv_erase(passwords); - } else { - _cleanup_free_ char *password = NULL; + _cleanup_string_free_erase_ char *password = NULL; int tty_fd = -1; if (arg_console) { @@ -363,8 +361,6 @@ static int parse_password(const char *filename, char **wall) { strcpy(packet + 1, password); } } - - string_erase(password); } if (IN_SET(r, -ETIME, -ENOENT)) { |