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-rw-r--r--src/test/test-env-util.c500
1 files changed, 500 insertions, 0 deletions
diff --git a/src/test/test-env-util.c b/src/test/test-env-util.c
new file mode 100644
index 0000000..144d40f
--- /dev/null
+++ b/src/test/test-env-util.c
@@ -0,0 +1,500 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "env-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "fs-util.h"
+#include "parse-util.h"
+#include "process-util.h"
+#include "serialize.h"
+#include "string-util.h"
+#include "strv.h"
+#include "tests.h"
+#include "util.h"
+
+TEST(strv_env_delete) {
+ _cleanup_strv_free_ char **a = NULL, **b = NULL, **c = NULL, **d = NULL;
+
+ a = strv_new("FOO=BAR", "WALDO=WALDO", "WALDO=", "PIEP", "SCHLUMPF=SMURF");
+ assert_se(a);
+
+ b = strv_new("PIEP", "FOO");
+ assert_se(b);
+
+ c = strv_new("SCHLUMPF");
+ assert_se(c);
+
+ d = strv_env_delete(a, 2, b, c);
+ assert_se(d);
+
+ assert_se(streq(d[0], "WALDO=WALDO"));
+ assert_se(streq(d[1], "WALDO="));
+ assert_se(strv_length(d) == 2);
+}
+
+TEST(strv_env_get) {
+ char **l = STRV_MAKE("ONE_OR_TWO=1", "THREE=3", "ONE_OR_TWO=2", "FOUR=4");
+
+ assert_se(streq(strv_env_get(l, "ONE_OR_TWO"), "2"));
+ assert_se(streq(strv_env_get(l, "THREE"), "3"));
+ assert_se(streq(strv_env_get(l, "FOUR"), "4"));
+}
+
+TEST(strv_env_pairs_get) {
+ char **l = STRV_MAKE("ONE_OR_TWO", "1", "THREE", "3", "ONE_OR_TWO", "2", "FOUR", "4", "FIVE", "5", "SIX", "FIVE", "SEVEN", "7");
+
+ assert_se(streq(strv_env_pairs_get(l, "ONE_OR_TWO"), "2"));
+ assert_se(streq(strv_env_pairs_get(l, "THREE"), "3"));
+ assert_se(streq(strv_env_pairs_get(l, "FOUR"), "4"));
+ assert_se(streq(strv_env_pairs_get(l, "FIVE"), "5"));
+}
+
+TEST(strv_env_unset) {
+ _cleanup_strv_free_ char **l = NULL;
+
+ l = strv_new("PIEP", "SCHLUMPF=SMURFF", "NANANANA=YES");
+ assert_se(l);
+
+ assert_se(strv_env_unset(l, "SCHLUMPF") == l);
+
+ assert_se(streq(l[0], "PIEP"));
+ assert_se(streq(l[1], "NANANANA=YES"));
+ assert_se(strv_length(l) == 2);
+}
+
+TEST(strv_env_merge) {
+ char **a = STRV_MAKE("FOO=BAR", "WALDO=WALDO", "WALDO=", "PIEP", "SCHLUMPF=SMURF", "EQ===");
+ char **b = STRV_MAKE("FOO=KKK", "FOO=", "PIEP=", "SCHLUMPF=SMURFF", "NANANANA=YES");
+
+ _cleanup_strv_free_ char **r = strv_env_merge(NULL, a, NULL, b, NULL, a, b, b, NULL);
+ assert_se(r);
+ assert_se(streq(r[0], "FOO="));
+ assert_se(streq(r[1], "WALDO="));
+ assert_se(streq(r[2], "PIEP"));
+ assert_se(streq(r[3], "SCHLUMPF=SMURFF"));
+ assert_se(streq(r[4], "EQ==="));
+ assert_se(streq(r[5], "PIEP="));
+ assert_se(streq(r[6], "NANANANA=YES"));
+ assert_se(strv_length(r) == 7);
+
+ assert_se(strv_env_clean(r) == r);
+ assert_se(streq(r[0], "FOO="));
+ assert_se(streq(r[1], "WALDO="));
+ assert_se(streq(r[2], "SCHLUMPF=SMURFF"));
+ assert_se(streq(r[3], "EQ==="));
+ assert_se(streq(r[4], "PIEP="));
+ assert_se(streq(r[5], "NANANANA=YES"));
+ assert_se(strv_length(r) == 6);
+}
+
+TEST(strv_env_replace_strdup) {
+ _cleanup_strv_free_ char **a = NULL;
+
+ assert_se(strv_env_replace_strdup(&a, "a=a") == 1);
+ assert_se(strv_env_replace_strdup(&a, "b=b") == 1);
+ assert_se(strv_env_replace_strdup(&a, "a=A") == 0);
+ assert_se(strv_env_replace_strdup(&a, "c") == -EINVAL);
+
+ assert_se(strv_length(a) == 2);
+ strv_sort(a);
+ assert_se(streq(a[0], "a=A"));
+ assert_se(streq(a[1], "b=b"));
+}
+
+TEST(strv_env_replace_strdup_passthrough) {
+ _cleanup_strv_free_ char **a = NULL;
+
+ assert_se(putenv((char*) "a=a") == 0);
+ assert_se(putenv((char*) "b=") == 0);
+ assert_se(unsetenv("c") == 0);
+
+ assert_se(strv_env_replace_strdup_passthrough(&a, "a") == 1);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "b") == 1);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "c") == 1);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "a") == 0);
+ assert_se(strv_env_replace_strdup_passthrough(&a, "$a") == -EINVAL);
+
+ assert_se(strv_length(a) == 3);
+ assert_se(streq(a[0], "a=a"));
+ assert_se(streq(a[1], "b="));
+ assert_se(streq(a[2], "c="));
+}
+
+TEST(strv_env_assign) {
+ _cleanup_strv_free_ char **a = NULL;
+
+ assert_se(strv_env_assign(&a, "a", "a") == 1);
+ assert_se(strv_env_assign(&a, "b", "b") == 1);
+ assert_se(strv_env_assign(&a, "a", "A") == 0);
+ assert_se(strv_env_assign(&a, "b", NULL) == 0);
+
+ assert_se(strv_env_assign(&a, "a=", "B") == -EINVAL);
+
+ assert_se(strv_length(a) == 1);
+ assert_se(streq(a[0], "a=A"));
+}
+
+TEST(env_strv_get_n) {
+ const char *_env[] = {
+ "FOO=NO NO NO",
+ "FOO=BAR BAR",
+ "BAR=waldo",
+ "PATH=unset",
+ NULL
+ };
+ char **env = (char**) _env;
+
+ assert_se(streq(strv_env_get_n(env, "FOO__", 3, 0), "BAR BAR"));
+ assert_se(streq(strv_env_get_n(env, "FOO__", 3, REPLACE_ENV_USE_ENVIRONMENT), "BAR BAR"));
+ assert_se(streq(strv_env_get_n(env, "FOO", 3, 0), "BAR BAR"));
+ assert_se(streq(strv_env_get_n(env, "FOO", 3, REPLACE_ENV_USE_ENVIRONMENT), "BAR BAR"));
+
+ assert_se(streq(strv_env_get_n(env, "PATH__", 4, 0), "unset"));
+ assert_se(streq(strv_env_get_n(env, "PATH", 4, 0), "unset"));
+ assert_se(streq(strv_env_get_n(env, "PATH__", 4, REPLACE_ENV_USE_ENVIRONMENT), "unset"));
+ assert_se(streq(strv_env_get_n(env, "PATH", 4, REPLACE_ENV_USE_ENVIRONMENT), "unset"));
+
+ env[3] = NULL; /* kill our $PATH */
+
+ assert_se(!strv_env_get_n(env, "PATH__", 4, 0));
+ assert_se(!strv_env_get_n(env, "PATH", 4, 0));
+ assert_se(streq_ptr(strv_env_get_n(env, "PATH__", 4, REPLACE_ENV_USE_ENVIRONMENT),
+ getenv("PATH")));
+ assert_se(streq_ptr(strv_env_get_n(env, "PATH", 4, REPLACE_ENV_USE_ENVIRONMENT),
+ getenv("PATH")));
+}
+
+static void test_replace_env1(bool braceless) {
+ log_info("/* %s(braceless=%s) */", __func__, yes_no(braceless));
+
+ const char *env[] = {
+ "FOO=BAR BAR",
+ "BAR=waldo",
+ NULL
+ };
+ _cleanup_free_ char *t = NULL, *s = NULL, *q = NULL, *r = NULL, *p = NULL;
+ unsigned flags = REPLACE_ENV_ALLOW_BRACELESS*braceless;
+
+ t = replace_env("FOO=$FOO=${FOO}", (char**) env, flags);
+ assert_se(streq(t, braceless ? "FOO=BAR BAR=BAR BAR" : "FOO=$FOO=BAR BAR"));
+
+ s = replace_env("BAR=$BAR=${BAR}", (char**) env, flags);
+ assert_se(streq(s, braceless ? "BAR=waldo=waldo" : "BAR=$BAR=waldo"));
+
+ q = replace_env("BARBAR=$BARBAR=${BARBAR}", (char**) env, flags);
+ assert_se(streq(q, braceless ? "BARBAR==" : "BARBAR=$BARBAR="));
+
+ r = replace_env("BAR=$BAR$BAR${BAR}${BAR}", (char**) env, flags);
+ assert_se(streq(r, braceless ? "BAR=waldowaldowaldowaldo" : "BAR=$BAR$BARwaldowaldo"));
+
+ p = replace_env("${BAR}$BAR$BAR", (char**) env, flags);
+ assert_se(streq(p, braceless ? "waldowaldowaldo" : "waldo$BAR$BAR"));
+}
+
+static void test_replace_env2(bool extended) {
+ log_info("/* %s(extended=%s) */", __func__, yes_no(extended));
+
+ const char *env[] = {
+ "FOO=foo",
+ "BAR=bar",
+ NULL
+ };
+ _cleanup_free_ char *t = NULL, *s = NULL, *q = NULL, *r = NULL, *p = NULL, *x = NULL, *y = NULL;
+ unsigned flags = REPLACE_ENV_ALLOW_EXTENDED*extended;
+
+ t = replace_env("FOO=${FOO:-${BAR}}", (char**) env, flags);
+ assert_se(streq(t, extended ? "FOO=foo" : "FOO=${FOO:-bar}"));
+
+ s = replace_env("BAR=${XXX:-${BAR}}", (char**) env, flags);
+ assert_se(streq(s, extended ? "BAR=bar" : "BAR=${XXX:-bar}"));
+
+ q = replace_env("XXX=${XXX:+${BAR}}", (char**) env, flags);
+ assert_se(streq(q, extended ? "XXX=" : "XXX=${XXX:+bar}"));
+
+ r = replace_env("FOO=${FOO:+${BAR}}", (char**) env, flags);
+ assert_se(streq(r, extended ? "FOO=bar" : "FOO=${FOO:+bar}"));
+
+ p = replace_env("FOO=${FOO:-${BAR}post}", (char**) env, flags);
+ assert_se(streq(p, extended ? "FOO=foo" : "FOO=${FOO:-barpost}"));
+
+ x = replace_env("XXX=${XXX:+${BAR}post}", (char**) env, flags);
+ assert_se(streq(x, extended ? "XXX=" : "XXX=${XXX:+barpost}"));
+
+ y = replace_env("FOO=${FOO}between${BAR:-baz}", (char**) env, flags);
+ assert_se(streq(y, extended ? "FOO=foobetweenbar" : "FOO=foobetween${BAR:-baz}"));
+}
+
+TEST(replace_env) {
+ test_replace_env1(false);
+ test_replace_env1(true);
+ test_replace_env2(false);
+ test_replace_env2(true);
+}
+
+TEST(replace_env_argv) {
+ const char *env[] = {
+ "FOO=BAR BAR",
+ "BAR=waldo",
+ NULL
+ };
+ const char *line[] = {
+ "FOO$FOO",
+ "FOO$FOOFOO",
+ "FOO${FOO}$FOO",
+ "FOO${FOO}",
+ "${FOO}",
+ "$FOO",
+ "$FOO$FOO",
+ "${FOO}${BAR}",
+ "${FOO",
+ "FOO$$${FOO}",
+ "$$FOO${FOO}",
+ "${FOO:-${BAR}}",
+ "${QUUX:-${FOO}}",
+ "${FOO:+${BAR}}",
+ "${QUUX:+${BAR}}",
+ "${FOO:+|${BAR}|}}",
+ "${FOO:+|${BAR}{|}",
+ NULL
+ };
+ _cleanup_strv_free_ char **r = NULL;
+
+ r = replace_env_argv((char**) line, (char**) env);
+ assert_se(r);
+ assert_se(streq(r[0], "FOO$FOO"));
+ assert_se(streq(r[1], "FOO$FOOFOO"));
+ assert_se(streq(r[2], "FOOBAR BAR$FOO"));
+ assert_se(streq(r[3], "FOOBAR BAR"));
+ assert_se(streq(r[4], "BAR BAR"));
+ assert_se(streq(r[5], "BAR"));
+ assert_se(streq(r[6], "BAR"));
+ assert_se(streq(r[7], "BAR BARwaldo"));
+ assert_se(streq(r[8], "${FOO"));
+ assert_se(streq(r[9], "FOO$BAR BAR"));
+ assert_se(streq(r[10], "$FOOBAR BAR"));
+ assert_se(streq(r[11], "${FOO:-waldo}"));
+ assert_se(streq(r[12], "${QUUX:-BAR BAR}"));
+ assert_se(streq(r[13], "${FOO:+waldo}"));
+ assert_se(streq(r[14], "${QUUX:+waldo}"));
+ assert_se(streq(r[15], "${FOO:+|waldo|}}"));
+ assert_se(streq(r[16], "${FOO:+|waldo{|}"));
+ assert_se(strv_length(r) == 17);
+}
+
+TEST(env_clean) {
+ _cleanup_strv_free_ char **e = strv_new("FOOBAR=WALDO",
+ "FOOBAR=WALDO",
+ "FOOBAR",
+ "F",
+ "X=",
+ "F=F",
+ "=",
+ "=F",
+ "",
+ "0000=000",
+ "äöüß=abcd",
+ "abcd=äöüß",
+ "xyz\n=xyz",
+ "xyz=xyz\n",
+ "another=one",
+ "another=final one",
+ "CRLF=\r\n",
+ "LESS_TERMCAP_mb=\x1b[01;31m",
+ "BASH_FUNC_foo%%=() { echo foo\n}");
+ assert_se(e);
+ assert_se(!strv_env_is_valid(e));
+ assert_se(strv_env_clean(e) == e);
+ assert_se(strv_env_is_valid(e));
+
+ assert_se(streq(e[0], "FOOBAR=WALDO"));
+ assert_se(streq(e[1], "X="));
+ assert_se(streq(e[2], "F=F"));
+ assert_se(streq(e[3], "abcd=äöüß"));
+ assert_se(streq(e[4], "xyz=xyz\n"));
+ assert_se(streq(e[5], "another=final one"));
+ assert_se(streq(e[6], "CRLF=\r\n"));
+ assert_se(streq(e[7], "LESS_TERMCAP_mb=\x1b[01;31m"));
+ assert_se(e[8] == NULL);
+}
+
+TEST(env_name_is_valid) {
+ assert_se(env_name_is_valid("test"));
+
+ assert_se(!env_name_is_valid(NULL));
+ assert_se(!env_name_is_valid(""));
+ assert_se(!env_name_is_valid("xxx\a"));
+ assert_se(!env_name_is_valid("xxx\007b"));
+ assert_se(!env_name_is_valid("\007\009"));
+ assert_se(!env_name_is_valid("5_starting_with_a_number_is_wrong"));
+ assert_se(!env_name_is_valid("#¤%&?_only_numbers_letters_and_underscore_allowed"));
+}
+
+TEST(env_value_is_valid) {
+ assert_se(env_value_is_valid(""));
+ assert_se(env_value_is_valid("głąb kapuściany"));
+ assert_se(env_value_is_valid("printf \"\\x1b]0;<mock-chroot>\\x07<mock-chroot>\""));
+ assert_se(env_value_is_valid("tab\tcharacter"));
+ assert_se(env_value_is_valid("new\nline"));
+ assert_se(env_value_is_valid("Show this?\rNope. Show that!"));
+ assert_se(env_value_is_valid("new DOS\r\nline"));
+
+ assert_se(!env_value_is_valid("\xc5")); /* A truncated utf-8-encoded "ł".
+ * We currently disallow that. */
+}
+
+TEST(env_assignment_is_valid) {
+ assert_se(env_assignment_is_valid("a="));
+ assert_se(env_assignment_is_valid("b=głąb kapuściany"));
+ assert_se(env_assignment_is_valid("c=\\007\\009\\011"));
+ assert_se(env_assignment_is_valid("e=printf \"\\x1b]0;<mock-chroot>\\x07<mock-chroot>\""));
+ assert_se(env_assignment_is_valid("f=tab\tcharacter"));
+ assert_se(env_assignment_is_valid("g=new\nline"));
+
+ assert_se(!env_assignment_is_valid("="));
+ assert_se(!env_assignment_is_valid("a b="));
+ assert_se(!env_assignment_is_valid("a ="));
+ assert_se(!env_assignment_is_valid(" b="));
+ /* no dots or dashes: http://tldp.org/LDP/abs/html/gotchas.html */
+ assert_se(!env_assignment_is_valid("a.b="));
+ assert_se(!env_assignment_is_valid("a-b="));
+ assert_se(!env_assignment_is_valid("\007=głąb kapuściany"));
+ assert_se(!env_assignment_is_valid("c\009=\007\009\011"));
+ assert_se(!env_assignment_is_valid("głąb=printf \"\x1b]0;<mock-chroot>\x07<mock-chroot>\""));
+}
+
+TEST(putenv_dup) {
+ assert_se(putenv_dup("A=a1", true) == 0);
+ assert_se(streq_ptr(getenv("A"), "a1"));
+ assert_se(putenv_dup("A=a1", true) == 0);
+ assert_se(streq_ptr(getenv("A"), "a1"));
+ assert_se(putenv_dup("A=a2", false) == 0);
+ assert_se(streq_ptr(getenv("A"), "a1"));
+ assert_se(putenv_dup("A=a2", true) == 0);
+ assert_se(streq_ptr(getenv("A"), "a2"));
+}
+
+TEST(setenv_systemd_exec_pid) {
+ _cleanup_free_ char *saved = NULL;
+ const char *e;
+ pid_t p;
+
+ e = getenv("SYSTEMD_EXEC_PID");
+ if (e)
+ assert_se(saved = strdup(e));
+
+ assert_se(unsetenv("SYSTEMD_EXEC_PID") >= 0);
+ assert_se(setenv_systemd_exec_pid(true) == 0);
+ assert_se(!getenv("SYSTEMD_EXEC_PID"));
+
+ assert_se(setenv("SYSTEMD_EXEC_PID", "*", 1) >= 0);
+ assert_se(setenv_systemd_exec_pid(true) == 0);
+ assert_se(e = getenv("SYSTEMD_EXEC_PID"));
+ assert_se(streq(e, "*"));
+
+ assert_se(setenv("SYSTEMD_EXEC_PID", "123abc", 1) >= 0);
+ assert_se(setenv_systemd_exec_pid(true) == 1);
+ assert_se(e = getenv("SYSTEMD_EXEC_PID"));
+ assert_se(parse_pid(e, &p) >= 0);
+ assert_se(p == getpid_cached());
+
+ assert_se(unsetenv("SYSTEMD_EXEC_PID") >= 0);
+ assert_se(setenv_systemd_exec_pid(false) == 1);
+ assert_se(e = getenv("SYSTEMD_EXEC_PID"));
+ assert_se(parse_pid(e, &p) >= 0);
+ assert_se(p == getpid_cached());
+
+ assert_se(set_unset_env("SYSTEMD_EXEC_PID", saved, 1) >= 0);
+}
+
+TEST(getenv_steal_erase) {
+ int r;
+
+ r = safe_fork("(sd-getenvstealerase)", FORK_DEATHSIG|FORK_LOG|FORK_WAIT, NULL);
+ if (r == 0) {
+ _cleanup_strv_free_ char **l = NULL;
+
+ /* child */
+
+ assert_se(getenv_steal_erase("thisenvvardefinitelywontexist", NULL) == 0);
+
+ l = strv_new("FOO=BAR", "QUUX=PIFF", "ONE=TWO", "A=B");
+ assert_se(strv_length(l) == 4);
+
+ environ = l;
+
+ STRV_FOREACH(e, environ) {
+ _cleanup_free_ char *n = NULL, *copy1 = NULL, *copy2 = NULL;
+ char *eq;
+
+ eq = strchr(*e, '=');
+ if (!eq)
+ continue;
+
+ n = strndup(*e, eq - *e);
+ assert_se(n);
+
+ copy1 = strdup(eq + 1);
+ assert_se(copy1);
+
+ assert_se(streq_ptr(getenv(n), copy1));
+ assert_se(getenv(n) == eq + 1);
+ assert_se(getenv_steal_erase(n, &copy2) > 0);
+ assert_se(streq_ptr(copy1, copy2));
+ assert_se(isempty(eq + 1));
+ assert_se(!getenv(n));
+ }
+
+ environ = NULL;
+ l = strv_free(l);
+
+ _exit(EXIT_SUCCESS);
+ }
+
+ assert_se(r > 0);
+}
+
+TEST(strv_env_name_is_valid) {
+ const char *valid_env_names[] = {"HOME", "USER", "SHELL", "PATH", NULL};
+ const char *invalid_env_names[] = {"", "PATH", "home", "user", "SHELL", NULL};
+ const char *repeated_env_names[] = {"HOME", "USER", "SHELL", "USER", NULL};
+ assert_se(strv_env_name_is_valid((char **) valid_env_names));
+ assert_se(!strv_env_name_is_valid((char **) invalid_env_names));
+ assert_se(!strv_env_name_is_valid((char **) repeated_env_names));
+}
+
+TEST(getenv_path_list) {
+ _cleanup_strv_free_ char **path_list = NULL;
+
+ /* Empty paths */
+ FOREACH_STRING(s, "", ":", ":::::", " : ::: :: :") {
+ assert_se(setenv("TEST_GETENV_PATH_LIST", s, 1) >= 0);
+ assert_se(getenv_path_list("TEST_GETENV_PATH_LIST", &path_list) == -EINVAL);
+ assert_se(!path_list);
+ }
+
+ /* Invalid paths */
+ FOREACH_STRING(s, ".", "..", "/../", "/", "/foo/bar/baz/../foo", "foo/bar/baz") {
+ assert_se(setenv("TEST_GETENV_PATH_LIST", s, 1) >= 0);
+ assert_se(getenv_path_list("TEST_GETENV_PATH_LIST", &path_list) == -EINVAL);
+ assert_se(!path_list);
+ }
+
+ /* Valid paths mixed with invalid ones */
+ assert_se(setenv("TEST_GETENV_PATH_LIST", "/foo:/bar/baz:/../:/hello", 1) >= 0);
+ assert_se(getenv_path_list("TEST_GETENV_PATH_LIST", &path_list) == -EINVAL);
+ assert_se(!path_list);
+
+ /* Finally some valid paths */
+ assert_se(setenv("TEST_GETENV_PATH_LIST", "/foo:/bar/baz:/hello/world:/path with spaces:/final", 1) >= 0);
+ assert_se(getenv_path_list("TEST_GETENV_PATH_LIST", &path_list) >= 0);
+ assert_se(streq(path_list[0], "/foo"));
+ assert_se(streq(path_list[1], "/bar/baz"));
+ assert_se(streq(path_list[2], "/hello/world"));
+ assert_se(streq(path_list[3], "/path with spaces"));
+ assert_se(streq(path_list[4], "/final"));
+ assert_se(path_list[5] == NULL);
+
+ assert_se(unsetenv("TEST_GETENV_PATH_LIST") >= 0);
+}
+
+DEFINE_TEST_MAIN(LOG_DEBUG);
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