treewide: auto-convert the simple cases to log_*_errno()

[elogind.git] / src / cryptsetup / cryptsetup.c

diff --git a/src/cryptsetup/cryptsetup.c b/src/cryptsetup/cryptsetup.c
index a67d85e623c685a0ac96e7d0df3d7c8b39b2713e..4afe53138fbdcd782014c816e532b976edb5f7e1 100644 (file)
--- a/src/cryptsetup/cryptsetup.c
+++ b/src/cryptsetup/cryptsetup.c
@@ -175,16 +175,16 @@ static int parse_one_option(const char *option) {
 }
 
 static int parse_options(const char *options) {
-        char *state, *w;
+        const char *word, *state;
         size_t l;
         int r;
 
         assert(options);
 
-        FOREACH_WORD_SEPARATOR(w, l, options, ",", state) {
+        FOREACH_WORD_SEPARATOR(word, l, options, ",", state) {
                 _cleanup_free_ char *o;
 
-                o = strndup(w, l);
+                o = strndup(word, l);
                 if (!o)
                         return -ENOMEM;
                 r = parse_one_option(o);
@@ -281,7 +281,7 @@ static int get_password(const char *name, usec_t until, bool accept_cached, char
 
         r = ask_password_auto(text, "drive-harddisk", id, until, accept_cached, passwords);
         if (r < 0) {
-                log_error("Failed to query password: %s", strerror(-r));
+                log_error_errno(-r, "Failed to query password: %m");
                 return r;
         }
 
@@ -297,7 +297,7 @@ static int get_password(const char *name, usec_t until, bool accept_cached, char
 
                 r = ask_password_auto(text, "drive-harddisk", id, until, false, &passwords2);
                 if (r < 0) {
-                        log_error("Failed to query verification password: %s", strerror(-r));
+                        log_error_errno(-r, "Failed to query verification password: %m");
                         return r;
                 }
 
@@ -355,7 +355,7 @@ static int attach_tcrypt(struct crypt_device *cd,
         if (key_file) {
                 r = read_one_line_file(key_file, &passphrase);
                 if (r < 0) {
-                        log_error("Failed to read password file '%s': %s", key_file, strerror(-r));
+                        log_error_errno(-r, "Failed to read password file '%s': %m", key_file);
                         return -EAGAIN;
                 }
 
@@ -400,7 +400,9 @@ static int attach_luks_or_plain(struct crypt_device *cd,
                         /* plain isn't a real hash type. it just means "use no hash" */
                         if (!streq(arg_hash, "plain"))
                                 params.hash = arg_hash;
-                } else
+                } else if (!key_file)
+                        /* for CRYPT_PLAIN, the behaviour of cryptsetup
+                         * package is to not hash when a key file is provided */
                         params.hash = "ripemd160";
 
                 if (arg_cipher) {
@@ -437,7 +439,7 @@ static int attach_luks_or_plain(struct crypt_device *cd,
         }
 
         if (r < 0) {
-                log_error("Loading of cryptographic parameters failed: %s", strerror(-r));
+                log_error_errno(-r, "Loading of cryptographic parameters failed: %m");
                 return r;
         }
 
@@ -452,7 +454,7 @@ static int attach_luks_or_plain(struct crypt_device *cd,
                                                      key_file, arg_keyfile_size,
                                                      arg_keyfile_offset, flags);
                 if (r < 0) {
-                        log_error("Failed to activate with key file '%s': %s", key_file, strerror(-r));
+                        log_error_errno(-r, "Failed to activate with key file '%s': %m", key_file);
                         return -EAGAIN;
                 }
         } else {
@@ -549,18 +551,23 @@ int main(int argc, char *argv[]) {
                         description = NULL;
                 }
 
+                k = 0;
                 if (mount_point && description)
-                        asprintf(&name_buffer, "%s (%s) on %s", description, argv[2], mount_point);
+                        k = asprintf(&name_buffer, "%s (%s) on %s", description, argv[2], mount_point);
                 else if (mount_point)
-                        asprintf(&name_buffer, "%s on %s", argv[2], mount_point);
+                        k = asprintf(&name_buffer, "%s on %s", argv[2], mount_point);
                 else if (description)
-                        asprintf(&name_buffer, "%s (%s)", description, argv[2]);
+                        k = asprintf(&name_buffer, "%s (%s)", description, argv[2]);
 
+                if (k < 0) {
+                        log_oom();
+                        goto finish;
+                }
                 name = name_buffer ? name_buffer : argv[2];
 
                 k = crypt_init(&cd, argv[3]);
                 if (k) {
-                        log_error("crypt_init() failed: %s", strerror(-k));
+                        log_error_errno(-k, "crypt_init() failed: %m");
                         goto finish;
                 }
 
@@ -616,7 +623,7 @@ int main(int argc, char *argv[]) {
                                 key_file = NULL;
                                 continue;
                         } else if (k != -EPERM) {
-                                log_error("Failed to activate: %s", strerror(-k));
+                                log_error_errno(-k, "Failed to activate: %m");
                                 goto finish;
                         }
 
@@ -634,7 +641,7 @@ int main(int argc, char *argv[]) {
 
                 k = crypt_init_by_name(&cd, argv[2]);
                 if (k) {
-                        log_error("crypt_init() failed: %s", strerror(-k));
+                        log_error_errno(-k, "crypt_init() failed: %m");
                         goto finish;
                 }
 
@@ -642,7 +649,7 @@ int main(int argc, char *argv[]) {
 
                 k = crypt_deactivate(cd, argv[2]);
                 if (k < 0) {
-                        log_error("Failed to deactivate: %s", strerror(-k));
+                        log_error_errno(-k, "Failed to deactivate: %m");
                         goto finish;
                 }