diff options
Diffstat (limited to 'src/cryptsetup')
| -rw-r--r-- | src/cryptsetup/cryptsetup.c | 90 |
1 files changed, 58 insertions, 32 deletions
diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c index a5018f13ed..5c6c7c0ed8 100644 --- a/src/cryptsetup/cryptsetup.c +++ b/src/cryptsetup/cryptsetup.c @@ -238,6 +238,23 @@ static void log_glue(int level, const char *msg, void *usrptr) { log_debug("%s", msg); } +static int disk_major_minor(const char *path, char **ret) { + struct stat st; + + assert(path); + + if (stat(path, &st) < 0) + return -errno; + + if (!S_ISBLK(st.st_mode)) + return -EINVAL; + + if (asprintf(ret, "/dev/block/%d:%d", major(st.st_rdev), minor(st.st_rdev)) < 0) + return -errno; + + return 0; +} + static char* disk_description(const char *path) { static const char name_fields[] = @@ -295,20 +312,55 @@ static char *disk_mount_point(const char *label) { return NULL; } -static int get_password(const char *name, usec_t until, bool accept_cached, char ***passwords) { - int r; +static int get_password(const char *vol, const char *src, usec_t until, bool accept_cached, char ***passwords) { + int r = 0; char **p; _cleanup_free_ char *text = NULL; _cleanup_free_ char *escaped_name = NULL; char *id; + const char *name = NULL; + _cleanup_free_ char *description = NULL, *name_buffer = NULL, + *mount_point = NULL, *maj_min = NULL; - assert(name); + assert(vol); + assert(src); assert(passwords); + description = disk_description(src); + mount_point = disk_mount_point(vol); + + if (description && streq(vol, description)) { + /* If the description string is simply the + * volume name, then let's not show this + * twice */ + free(description); + description = NULL; + } + + if (mount_point && description) + r = asprintf(&name_buffer, "%s (%s) on %s", description, vol, mount_point); + else if (mount_point) + r = asprintf(&name_buffer, "%s on %s", vol, mount_point); + else if (description) + r = asprintf(&name_buffer, "%s (%s)", description, vol); + + if (r < 0) + return log_oom(); + + name = name_buffer ? name_buffer : vol; + if (asprintf(&text, "Please enter passphrase for disk %s!", name) < 0) return log_oom(); - escaped_name = cescape(name); + if (src) + (void) disk_major_minor(src, &maj_min); + + if (maj_min) { + escaped_name = maj_min; + maj_min = NULL; + } else + escaped_name = cescape(name); + if (!escaped_name) return log_oom(); @@ -552,8 +604,7 @@ int main(int argc, char *argv[]) { unsigned tries; usec_t until; crypt_status_info status; - const char *key_file = NULL, *name = NULL; - _cleanup_free_ char *description = NULL, *name_buffer = NULL, *mount_point = NULL; + const char *key_file = NULL; /* Arguments: systemd-cryptsetup attach VOLUME SOURCE-DEVICE [PASSWORD] [OPTIONS] */ @@ -581,31 +632,6 @@ int main(int argc, char *argv[]) { /* A delicious drop of snake oil */ mlockall(MCL_FUTURE); - description = disk_description(argv[3]); - mount_point = disk_mount_point(argv[2]); - - if (description && streq(argv[2], description)) { - /* If the description string is simply the - * volume name, then let's not show this - * twice */ - free(description); - description = NULL; - } - - k = 0; - if (mount_point && description) - k = asprintf(&name_buffer, "%s (%s) on %s", description, argv[2], mount_point); - else if (mount_point) - k = asprintf(&name_buffer, "%s on %s", argv[2], mount_point); - else if (description) - k = asprintf(&name_buffer, "%s (%s)", description, argv[2]); - - if (k < 0) { - log_oom(); - goto finish; - } - name = name_buffer ? name_buffer : argv[2]; - if (arg_header) { log_debug("LUKS header: %s", arg_header); k = crypt_init(&cd, arg_header); @@ -652,7 +678,7 @@ int main(int argc, char *argv[]) { _cleanup_strv_free_ char **passwords = NULL; if (!key_file) { - k = get_password(name, until, tries == 0 && !arg_verify, &passwords); + k = get_password(argv[2], argv[3], until, tries == 0 && !arg_verify, &passwords); if (k == -EAGAIN) continue; else if (k < 0) |