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-rw-r--r--src/confdb/confdb.c2
-rw-r--r--src/providers/ad/ad_common.c2
-rw-r--r--src/providers/ipa/ipa_common.c2
-rw-r--r--src/providers/krb5/krb5_common.c2
-rw-r--r--src/providers/ldap/ldap_common.c4
-rw-r--r--src/providers/ldap/ldap_init.c2
-rw-r--r--src/providers/ldap/sdap_async_sudo_hostinfo.c4
-rw-r--r--src/responder/common/responder_common.c3
-rw-r--r--src/tests/util-tests.c91
-rw-r--r--src/util/util.c161
-rw-r--r--src/util/util.h3
11 files changed, 174 insertions, 102 deletions
diff --git a/src/confdb/confdb.c b/src/confdb/confdb.c
index 3707f18b5..600d423d0 100644
--- a/src/confdb/confdb.c
+++ b/src/confdb/confdb.c
@@ -599,7 +599,7 @@ int confdb_get_string_as_list(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
goto done;
}
- ret = split_on_separator(ctx, values[0], ',', true, result, NULL);
+ ret = split_on_separator(ctx, values[0], ',', true, true, result, NULL);
done:
talloc_free(values);
diff --git a/src/providers/ad/ad_common.c b/src/providers/ad/ad_common.c
index 8600dab22..dff1071dd 100644
--- a/src/providers/ad/ad_common.c
+++ b/src/providers/ad/ad_common.c
@@ -156,7 +156,7 @@ ad_servers_init(TALLOC_CTX *mem_ctx,
if (!tmp_ctx) return ENOMEM;
/* Split the server list */
- ret = split_on_separator(tmp_ctx, servers, ',', true, &list, NULL);
+ ret = split_on_separator(tmp_ctx, servers, ',', true, true, &list, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to parse server list!\n"));
goto done;
diff --git a/src/providers/ipa/ipa_common.c b/src/providers/ipa/ipa_common.c
index eb384a1f3..be1bd1d2f 100644
--- a/src/providers/ipa/ipa_common.c
+++ b/src/providers/ipa/ipa_common.c
@@ -770,7 +770,7 @@ errno_t ipa_servers_init(struct be_ctx *ctx,
}
/* split server parm into a list */
- ret = split_on_separator(tmp_ctx, servers, ',', true, &list, NULL);
+ ret = split_on_separator(tmp_ctx, servers, ',', true, true, &list, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to parse server list!\n"));
goto done;
diff --git a/src/providers/krb5/krb5_common.c b/src/providers/krb5/krb5_common.c
index ed2fffae1..c6865c099 100644
--- a/src/providers/krb5/krb5_common.c
+++ b/src/providers/krb5/krb5_common.c
@@ -486,7 +486,7 @@ errno_t krb5_servers_init(struct be_ctx *ctx,
return ENOMEM;
}
- ret = split_on_separator(tmp_ctx, servers, ',', true, &list, NULL);
+ ret = split_on_separator(tmp_ctx, servers, ',', true, true, &list, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to parse server list!\n"));
goto done;
diff --git a/src/providers/ldap/ldap_common.c b/src/providers/ldap/ldap_common.c
index f8b921adf..a97dc34e2 100644
--- a/src/providers/ldap/ldap_common.c
+++ b/src/providers/ldap/ldap_common.c
@@ -561,7 +561,7 @@ errno_t common_parse_search_base(TALLOC_CTX *mem_ctx,
goto done;
}
- ret = split_on_separator(tmp_ctx, unparsed_base, '?', false,
+ ret = split_on_separator(tmp_ctx, unparsed_base, '?', false, false,
&split_bases, &count);
if (ret != EOK) goto done;
@@ -1214,7 +1214,7 @@ errno_t sdap_urls_init(struct be_ctx *ctx,
/* split server parm into a list */
- ret = split_on_separator(tmp_ctx, urls, ',', true, &list, NULL);
+ ret = split_on_separator(tmp_ctx, urls, ',', true, true, &list, NULL);
if (ret != EOK) {
DEBUG(1, ("Failed to parse server list!\n"));
goto done;
diff --git a/src/providers/ldap/ldap_init.c b/src/providers/ldap/ldap_init.c
index 52bd233f1..807526b88 100644
--- a/src/providers/ldap/ldap_init.c
+++ b/src/providers/ldap/ldap_init.c
@@ -294,7 +294,7 @@ int sssm_ldap_access_init(struct be_ctx *bectx,
order = "filter";
}
- ret = split_on_separator(access_ctx, order, ',', true,
+ ret = split_on_separator(access_ctx, order, ',', true, true,
&order_list, &order_list_len);
if (ret != EOK) {
DEBUG(1, ("split_on_separator failed.\n"));
diff --git a/src/providers/ldap/sdap_async_sudo_hostinfo.c b/src/providers/ldap/sdap_async_sudo_hostinfo.c
index 0a695cdbf..f47e98651 100644
--- a/src/providers/ldap/sdap_async_sudo_hostinfo.c
+++ b/src/providers/ldap/sdap_async_sudo_hostinfo.c
@@ -89,7 +89,7 @@ struct tevent_req * sdap_sudo_get_hostinfo_send(TALLOC_CTX *mem_ctx,
conf_ip_addr = dp_opt_get_string(opts->basic, SDAP_SUDO_IP);
if (conf_hostnames != NULL) {
- ret = split_on_separator(state, conf_hostnames, ' ', true,
+ ret = split_on_separator(state, conf_hostnames, ' ', true, true,
&state->hostnames, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE,
@@ -102,7 +102,7 @@ struct tevent_req * sdap_sudo_get_hostinfo_send(TALLOC_CTX *mem_ctx,
}
if (conf_ip_addr != NULL) {
- ret = split_on_separator(state, conf_ip_addr, ' ', true,
+ ret = split_on_separator(state, conf_ip_addr, ' ', true, true,
&state->ip_addr, NULL);
if (ret != EOK) {
DEBUG(SSSDBG_MINOR_FAILURE,
diff --git a/src/responder/common/responder_common.c b/src/responder/common/responder_common.c
index c5d7577b5..35381be8a 100644
--- a/src/responder/common/responder_common.c
+++ b/src/responder/common/responder_common.c
@@ -167,7 +167,8 @@ errno_t csv_string_to_uid_array(TALLOC_CTX *mem_ctx, const char *cvs_string,
char *endptr;
struct passwd *pwd;
- ret = split_on_separator(mem_ctx, cvs_string, ',', true, &list, &list_size);
+ ret = split_on_separator(mem_ctx, cvs_string, ',', true, false,
+ &list, &list_size);
if (ret != EOK) {
DEBUG(SSSDBG_OP_FAILURE, ("split_on_separator failed [%d][%s].\n",
ret, strerror(ret)));
diff --git a/src/tests/util-tests.c b/src/tests/util-tests.c
index ff809a5a7..e7e04e657 100644
--- a/src/tests/util-tests.c
+++ b/src/tests/util-tests.c
@@ -718,6 +718,96 @@ START_TEST(test_atomicio_read_from_empty_file)
}
END_TEST
+struct split_data {
+ const char *input;
+ const char **expected_list;
+ bool trim;
+ bool skip_empty;
+ int expected_size;
+ int expected_ret;
+};
+
+START_TEST(test_split_on_separator)
+{
+ TALLOC_CTX *mem = global_talloc_context;
+ errno_t ret;
+ char **list = NULL;
+ int size;
+ const char *str_ref;
+ const char *str_out;
+ int i;
+ int a;
+ int num_of_tests;
+ struct split_data sts[] = {
+ {
+ "one,two,three", /* input string */
+ (const char *[]){"one", "two", "three", NULL}, /* expec. output list */
+ false, false, /* trim, skip_empty */
+ 3, 0 /* expec. size, expec. retval */
+ },
+ {
+ "one,two,three",
+ (const char *[]){"one", "two", "three", NULL},
+ true, true,
+ 3, 0
+ },
+ {
+ " one, two ,three ",
+ (const char*[]){"one", "two", "three", NULL},
+ true, true,
+ 3, 0
+ },
+ {
+ /* If skip empty is false, single comma means "empty,empty" */
+ ",",
+ (const char*[]){"", "", NULL, NULL},
+ false, false,
+ 2, 0
+ },
+ {
+ "one, ,",
+ (const char*[]){"one", " ", "NULL", "NULL"},
+ false, true,
+ 2, 0
+ },
+ {
+ ", ,,",
+ (const char*[]){NULL},
+ true, true,
+ 0, 0
+ },
+ {
+ NULL,
+ NULL,
+ false, false,
+ 0, EINVAL
+ },
+ };
+ num_of_tests = sizeof(sts) / sizeof(struct split_data);
+
+ for (a = 0; a < num_of_tests; a++) {
+ ret = split_on_separator(mem, sts[a].input, ',', sts[a].trim,
+ sts[a].skip_empty, &list, &size);
+
+ fail_unless(ret == sts[a].expected_ret,
+ "split_on_separator failed [%d]: %s\n", ret,
+ strerror(ret));
+ if (ret) {
+ continue;
+ }
+ fail_unless(size == sts[a].expected_size, "Returned wrong size %d "
+ "(expected %d).\n", size, sts[a].expected_size);
+
+ for (i = 0; str_ref = sts[a].expected_list[i], str_out = list[i]; i++) {
+ fail_unless(strcmp(str_ref, str_out) == 0,
+ "Expected:%s Got:%s\n", str_ref, str_out);
+ }
+ talloc_free(list);
+ list = NULL;
+ }
+}
+END_TEST
+
Suite *util_suite(void)
{
Suite *s = suite_create("util");
@@ -733,6 +823,7 @@ Suite *util_suite(void)
tcase_add_test (tc_util, test_parse_args);
tcase_add_test (tc_util, test_add_string_to_list);
tcase_add_test (tc_util, test_string_in_list);
+ tcase_add_test (tc_util, test_split_on_separator);
tcase_set_timeout(tc_util, 60);
TCase *tc_utf8 = tcase_create("utf8");
diff --git a/src/util/util.c b/src/util/util.c
index ab980775a..b035e2319 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -27,118 +27,97 @@
#include "util/sss_utf8.h"
#include "dhash.h"
-/* split a string into an allocated array of strings.
- * the separator is a string, and is case-sensitive.
- * optionally single values can be trimmed of of spaces and tabs */
int split_on_separator(TALLOC_CTX *mem_ctx, const char *str,
- const char sep, bool trim, char ***_list, int *size)
+ const char sep, bool trim, bool skip_empty,
+ char ***_list, int *size)
{
- const char *t, *p, *n;
- size_t l, len;
- char **list, **r;
- const char sep_str[2] = { sep, '\0'};
-
- if (!str || !*str || !_list) return EINVAL;
-
- t = str;
+ int ret;
+ const char *substr_end = str;
+ const char *substr_begin = str;
+ const char *sep_pos = NULL;
+ size_t substr_len;
+ char **list = NULL;
+ int num_strings = 0;
+ TALLOC_CTX *tmp_ctx = NULL;
+
+ if (str == NULL || *str == '\0' || _list == NULL) {
+ return EINVAL;
+ }
- list = NULL;
- l = 0;
+ tmp_ctx = talloc_new(NULL);
+ if (tmp_ctx == NULL) {
+ return ENOMEM;
+ }
- /* trim leading whitespace */
- if (trim)
- while (isspace(*t)) t++;
+ do {
+ substr_len = 0;
- /* find substrings separated by the separator */
- while (t && (p = strpbrk(t, sep_str))) {
- len = p - t;
- n = p + 1; /* save next string starting point */
- if (trim) {
- /* strip whitespace after the separator
- * so it's not in the next token */
- while (isspace(*t)) {
- t++;
- len--;
- if (len == 0) break;
- }
- p--;
- /* strip whitespace before the separator
- * so it's not in the current token */
- while (len > 0 && (isspace(*p))) {
- len--;
- p--;
- }
+ /* If this is not the first substring, then move from the separator. */
+ if (sep_pos != NULL) {
+ substr_end = sep_pos + 1;
+ substr_begin = sep_pos + 1;
}
- /* Add the token to the array, +2 b/c of the trailing NULL */
- r = talloc_realloc(mem_ctx, list, char *, l + 2);
- if (!r) {
- talloc_free(list);
- return ENOMEM;
- } else {
- list = r;
+ /* Find end of the first substring */
+ while (*substr_end != sep && *substr_end != '\0') {
+ substr_end++;
+ substr_len++;
}
- if (len == 0) {
- list[l] = talloc_strdup(list, "");
- } else {
- list[l] = talloc_strndup(list, t, len);
- }
- if (!list[l]) {
- talloc_free(list);
- return ENOMEM;
- }
- l++;
+ sep_pos = substr_end;
- t = n; /* move to next string */
- }
+ if (trim) {
+ /* Trim leading whitespace */
+ while (isspace(*substr_begin) && substr_begin < substr_end) {
+ substr_begin++;
+ substr_len--;
+ }
- /* Handle the last remaining token */
- if (t) {
- r = talloc_realloc(mem_ctx, list, char *, l + 2);
- if (!r) {
- talloc_free(list);
- return ENOMEM;
- } else {
- list = r;
+ /* Trim trailing whitespace */
+ while (substr_end - 1 > substr_begin && isspace(*(substr_end-1))) {
+ substr_end--;
+ substr_len--;
+ }
}
- if (trim) {
- /* trim leading whitespace */
- len = strlen(t);
- while (isspace(*t)) {
- t++;
- len--;
- if (len == 0) break;
- }
- /* trim trailing whitespace */
- p = t + len - 1;
- while (len > 0 && (isspace(*p))) {
- len--;
- p--;
+ /* Copy the substring to the output list of strings */
+ if (skip_empty == false || substr_len > 0) {
+ list = talloc_realloc(tmp_ctx, list, char*, num_strings + 2);
+ if (list == NULL) {
+ ret = ENOMEM;
+ goto done;
}
- if (len == 0) {
- list[l] = talloc_strdup(list, "");
- } else {
- list[l] = talloc_strndup(list, t, len);
+ /* empty string is stored for substr_len == 0 */
+ list[num_strings] = talloc_strndup(list, substr_begin, substr_len);
+ if (list[num_strings] == NULL) {
+ ret = ENOMEM;
+ goto done;
}
- } else {
- list[l] = talloc_strdup(list, t);
+ num_strings++;
}
- if (!list[l]) {
- talloc_free(list);
- return ENOMEM;
+
+ } while (*sep_pos != '\0');
+
+ if (list == NULL) {
+ /* No allocations were done, make space for the NULL */
+ list = talloc(tmp_ctx, char *);
+ if (list == NULL) {
+ ret = ENOMEM;
+ goto done;
}
- l++;
}
+ list[num_strings] = NULL;
- list[l] = NULL; /* terminate list */
-
- if (size) *size = l;
- *_list = list;
+ if (size) {
+ *size = num_strings;
+ }
- return EOK;
+ *_list = talloc_steal(mem_ctx, list);
+ ret = EOK;
+done:
+ talloc_free(tmp_ctx);
+ return ret;
}
static void free_args(char **args)
diff --git a/src/util/util.h b/src/util/util.h
index c15ca6683..e4cb1a865 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -476,7 +476,8 @@ errno_t check_and_open_readonly(const char *filename, int *fd, const uid_t uid,
/* from util.c */
int split_on_separator(TALLOC_CTX *mem_ctx, const char *str,
- const char sep, bool trim, char ***_list, int *size);
+ const char sep, bool trim, bool skip_empty,
+ char ***_list, int *size);
char **parse_args(const char *str);
generated by cgit (git 2.34.1) at 2024-04-19 21:32:31 +0000