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res_pjsip: Replace invalid UTF-8 sequences in callerid name
* Added a new function ast_utf8_replace_invalid_chars() to utf8.c that copies a string replacing any invalid UTF-8 sequences with the Unicode specified U+FFFD replacement character. For example: "abc\xffdef" becomes "abc\uFFFDdef". Any UTF-8 compliant implementation will show that character as a � character. * Updated res_pjsip:set_id_from_hdr() to use ast_utf8_replace_invalid_chars and print a warning if any invalid sequences were found during the copy. * Updated stasis_channels:ast_channel_publish_varset to use ast_utf8_replace_invalid_chars and print a warning if any invalid sequences were found during the copy. ASTERISK-27830 Change-Id: I4ffbdb19c80bf0efc675d40078a3ca4f85c567d8
This commit is contained in:
George Joseph
committed by
George Joseph
George Joseph
parent
2e78d1083e
commit
25f7753f46
544
main/utf8.c
544
main/utf8.c
@@ -156,6 +156,154 @@ void ast_utf8_copy_string(char *dst, const char *src, size_t size)
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*last_good = '\0';
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}
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/*!
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* \warning A UTF-8 sequence could be 1, 2, 3 or 4 bytes long depending
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* on the first byte in the sequence. Don't try to modify this function
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* without understanding how UTF-8 works.
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*/
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/*
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* The official unicode replacement character is U+FFFD
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* which is actually the 3 following bytes:
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*/
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#define REPL_SEQ "\xEF\xBF\xBD"
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#define REPL_SEQ_LEN 3
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enum ast_utf8_replace_result
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ast_utf8_replace_invalid_chars(char *dst, size_t *dst_size, const char *src,
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size_t src_len)
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{
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enum ast_utf8_replace_result res = AST_UTF8_REPLACE_VALID;
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size_t src_pos = 0;
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size_t dst_pos = 0;
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uint32_t prev_state = UTF8_ACCEPT;
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uint32_t curr_state = UTF8_ACCEPT;
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/*
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* UTF-8 sequences can be 1 - 4 bytes in length so we
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* have to keep track of where we are.
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*/
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int seq_len = 0;
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if (dst) {
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memset(dst, 0, *dst_size);
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} else {
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*dst_size = 0;
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}
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if (!src || src_len == 0) {
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return AST_UTF8_REPLACE_VALID;
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}
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for (prev_state = 0, curr_state = 0; src_pos < src_len; prev_state = curr_state, src_pos++) {
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uint32_t rc;
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rc = decode(&curr_state, (uint8_t) src[src_pos]);
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if (dst && dst_pos >= *dst_size - 1) {
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if (prev_state > UTF8_REJECT) {
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/*
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* We ran out of space in the middle of a possible
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* multi-byte sequence so we have to back up and
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* overwrite the start of the sequence with the
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* NULL terminator.
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*/
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dst_pos -= (seq_len - (prev_state / 36));
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}
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dst[dst_pos] = '\0';
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return AST_UTF8_REPLACE_OVERRUN;
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}
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if (rc == UTF8_ACCEPT) {
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if (dst) {
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dst[dst_pos] = src[src_pos];
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}
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dst_pos++;
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seq_len = 0;
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}
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if (rc > UTF8_REJECT) {
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/*
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* We're possibly at the start of, or in the middle of,
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* a multi-byte sequence. The curr_state will tell us how many
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* bytes _should_ be remaining in the sequence.
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*/
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if (prev_state == UTF8_ACCEPT) {
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/* If the previous state was a good character then
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* this can only be the start of s sequence
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* which is all we care about.
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*/
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seq_len = curr_state / 36 + 1;
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}
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if (dst) {
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dst[dst_pos] = src[src_pos];
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}
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dst_pos++;
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}
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if (rc == UTF8_REJECT) {
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/* We got at least 1 rejection so the string is invalid */
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res = AST_UTF8_REPLACE_INVALID;
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if (prev_state != UTF8_ACCEPT) {
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/*
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* If we were in a multi-byte sequence and this
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* byte isn't valid at this time, we'll back
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* the destination pointer back to the start
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* of the now-invalid sequence and write the
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* replacement bytes there. Then we'll
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* process the current byte again in the next
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* loop iteration. It may be quite valid later.
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*/
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dst_pos -= (seq_len - (prev_state / 36));
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src_pos--;
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}
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if (dst) {
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/*
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* If we're not just calculating the needed destination
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* buffer space, and we don't have enough room to write
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* the replacement sequence, terminate the output
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* and return.
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*/
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if (dst_pos > *dst_size - 4) {
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dst[dst_pos] = '\0';
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return AST_UTF8_REPLACE_OVERRUN;
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}
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memcpy(&dst[dst_pos], REPL_SEQ, REPL_SEQ_LEN);
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}
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dst_pos += REPL_SEQ_LEN;
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/* Reset the state machine */
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curr_state = UTF8_ACCEPT;
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}
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}
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if (curr_state != UTF8_ACCEPT) {
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/*
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* We were probably in the middle of a
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* sequence and ran out of space.
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*/
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res = AST_UTF8_INVALID;
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dst_pos -= (seq_len - (prev_state / 36));
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if (dst) {
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if (dst_pos > *dst_size - 4) {
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dst[dst_pos] = '\0';
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return AST_UTF8_REPLACE_OVERRUN;
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}
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memcpy(&dst[dst_pos], REPL_SEQ, REPL_SEQ_LEN);
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}
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dst_pos += REPL_SEQ_LEN;
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}
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if (dst) {
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dst[dst_pos] = '\0';
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} else {
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*dst_size = dst_pos + 1;
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}
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return res;
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}
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struct ast_utf8_validator {
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uint32_t state;
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};
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@@ -219,6 +367,8 @@ void ast_utf8_validator_destroy(struct ast_utf8_validator *validator)
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#ifdef TEST_FRAMEWORK
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#include "asterisk/json.h"
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AST_TEST_DEFINE(test_utf8_is_valid)
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{
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switch (cmd) {
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@@ -313,6 +463,398 @@ AST_TEST_DEFINE(test_utf8_copy_string)
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return AST_TEST_PASS;
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}
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/*
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* Let the replace function determine how much
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* buffer space is required for the destination.
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*/
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#define SIZE_REQUIRED 0
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/*
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* Set the destination buffer size to the size
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* we expect it to be. 0xDead has no meaning
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* other than it's larger than any test needs
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* a buffer to be.
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*/
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#define SIZE_EXPECTED 0xDead
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static int tracs(int run, const char *src, const char *cmp,
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size_t dst_size, enum ast_utf8_replace_result exp_result)
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{
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char *dst = NULL;
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struct ast_json *blob;
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enum ast_utf8_replace_result result;
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if (dst_size == SIZE_REQUIRED) {
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ast_utf8_replace_invalid_chars(dst, &dst_size, src, src ? strlen(src) : 0);
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} else if (dst_size == SIZE_EXPECTED) {
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dst_size = strlen(cmp) + 1;
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}
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dst = (char *)ast_alloca(dst_size);
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result = ast_utf8_replace_invalid_chars(dst, &dst_size, src, src ? strlen(src) : 0);
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if (result != exp_result || strcmp(dst, cmp) != 0) {
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ast_log(LOG_ERROR, "Run: %2d Invalid result. Src: '%s', Dst: '%s', ExpDst: '%s' Result: %d ExpResult: %d\n",
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run, src, dst, cmp, result, exp_result);
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return 0;
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}
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/*
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* The ultimate test: Does jansson accept the result as valid UTF-8?
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*/
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blob = ast_json_pack("{s: s, s: s}",
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"variable", "doesntmatter",
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"value", dst);
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ast_json_unref(blob);
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return blob != NULL;
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}
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#define ATV(t, v) ast_test_validate(t, v)
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AST_TEST_DEFINE(test_utf8_replace_invalid_chars)
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{
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const char *src;
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size_t dst_size;
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enum ast_utf8_replace_result result;
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int k = 0;
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switch (cmd) {
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case TEST_INIT:
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info->name = "replace_invalid";
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info->category = "/main/utf8/";
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info->summary = "Test ast_utf8_replace_invalid_chars";
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info->description =
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"Tests UTF-8 string copying/replacing code.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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/*
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Table 3-7. Well-Formed UTF-8 Byte Sequences
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Code Points First Second Third Fourth
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Byte Byte Byte Byte
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U+0000..U+007F 00..7F
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U+0080..U+07FF C2..DF 80..BF
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U+0800..U+0FFF E0 A0..BF 80..BF
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U+1000..U+CFFF E1..EC 80..BF 80..BF
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U+D000..U+D7FF ED 80..9F 80..BF
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U+E000..U+FFFF EE..EF 80..BF 80..BF
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U+10000..U+3FFFF F0 90..BF 80..BF 80..BF
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U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF
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U+100000..U+10FFFF F4 80..8F 80..BF 80..BF
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Older compilers don't support using the \uXXXX or \UXXXXXXXX
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universal character notation so we have to manually specify
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the byte sequences even for valid UTF-8 sequences.
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These are the ones used for the tests below:
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\u00B0 = \xC2\xB0
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\u0800 = \xE0\xA0\x80
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\uE000 = \xEE\x80\x80
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\U00040000 = \xF1\x80\x80\x80
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*/
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/*
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* Check that NULL destination with a valid source string gives us a
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* valid result code and buffer size = the length of the input string
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* plus room for the NULL terminator.
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*/
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src = "ABC\xC2\xB0xyz";
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result = ast_utf8_replace_invalid_chars(NULL, &dst_size, src, src ? strlen(src) : 0);
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ATV(test, result == AST_UTF8_REPLACE_VALID && dst_size == strlen(src) + 1);
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/*
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* Check that NULL destination with an invalid source string gives us an
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* invalid result code and buffer size = the length of the input string
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* plus room for the NULL terminator plus the 2 extra bytes needed for
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* the one replacement character.
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*/
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src = "ABC\xFFxyz";
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result = ast_utf8_replace_invalid_chars(NULL, &dst_size, src, src ? strlen(src) : 0);
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ATV(test, result == AST_UTF8_REPLACE_INVALID && dst_size == strlen(src) + 3);
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/*
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* NULL or empty input
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*/
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ATV(test, tracs(__LINE__, NULL, "", 80, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "", "", 80, AST_UTF8_REPLACE_VALID));
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/* Let the replace function calculate the space needed for result */
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k = SIZE_REQUIRED;
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/*
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* Basic ASCII string
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*/
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ATV(test, tracs(__LINE__, "ABC xyzA", "ABC xyzA", k, AST_UTF8_REPLACE_VALID));
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/*
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* Mid string.
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*/
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/* good single sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC\xE0\xA0\x80xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80xyz", "ABC\xF1\x80\x80\x80xyz", k, AST_UTF8_REPLACE_VALID));
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/* good multiple adjacent sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2\xB0\xC2\xB0xyz", "ABC\xC2\xB0\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80\xC2\xB0xyz", "ABC\xE0\xA0\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80\xC2\xB0xyz", "ABC\xF1\x80\x80\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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/* Bad sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xC2\xC2xyz", "ABC\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xB0xyz", "ABC\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xC2xyz", "ABC\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xF5xyz", "ABC\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0xyz", "ABC\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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/*
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* Beginning of string.
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*/
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/* good single sequences */
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ATV(test, tracs(__LINE__, "\xC2\xB0xyz", "\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "\xE0\xA0\x80xyz", "\xE0\xA0\x80xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "\xF1\x80\x80\x80xyz", "\xF1\x80\x80\x80xyz", k, AST_UTF8_REPLACE_VALID));
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/* good multiple adjacent sequences */
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ATV(test, tracs(__LINE__, "\xC2\xB0\xC2\xB0xyz", "\xC2\xB0\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "\xE0\xA0\x80\xC2\xB0xyz", "\xE0\xA0\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "\xF1\x80\x80\x80\xC2\xB0xyz", "\xF1\x80\x80\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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/* Bad sequences */
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ATV(test, tracs(__LINE__, "\xC2xyz", "\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "\xC2\xC2xyz", "\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "\xB0xyz", "\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "\xE0\xA0\xC2xyz", "\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "\xE0\xA0\xF5xyz", "\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "\xE0\xA0xyz", "\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
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/*
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* End of string.
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*/
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/* good single sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2\xB0", "ABC\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80", "ABC\xE0\xA0\x80", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80", "ABC\xF1\x80\x80\x80", k, AST_UTF8_REPLACE_VALID));
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/* good multiple adjacent sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2\xB0\xC2\xB0", "ABC\xC2\xB0\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80\xC2\xB0", "ABC\xE0\xA0\x80\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80\xC2\xB0", "ABC\xF1\x80\x80\x80\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
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/* Bad sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2", "ABC\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xC2\xC2", "ABC\xEF\xBF\xBD\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xB0", "ABC\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xC2", "ABC\xEF\xBF\xBD\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xF5", "ABC\xEF\xBF\xBD\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0", "ABC\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
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/* Force destination buffer to be only large enough to hold the expected result */
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k = SIZE_EXPECTED;
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/*
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* Mid string.
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*/
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/* good single sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC\xE0\xA0\x80xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80xyz", "ABC\xF1\x80\x80\x80xyz", k, AST_UTF8_REPLACE_VALID));
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/* good multiple adjacent sequences */
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ATV(test, tracs(__LINE__, "ABC\xC2\xB0\xC2\xB0xyz", "ABC\xC2\xB0\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
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ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80\xC2\xB0xyz", "ABC\xE0\xA0\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80\xC2\xB0xyz", "ABC\xF1\x80\x80\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
/* Bad sequences */
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xC2xyz", "ABC\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xB0xyz", "ABC\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xC2xyz", "ABC\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xF5xyz", "ABC\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0xyz", "ABC\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
|
||||
/*
|
||||
* Beginning of string.
|
||||
*/
|
||||
/* good single sequences */
|
||||
ATV(test, tracs(__LINE__, "\xC2\xB0xyz", "\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "\xE0\xA0\x80xyz", "\xE0\xA0\x80xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "\xF1\x80\x80\x80xyz", "\xF1\x80\x80\x80xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
/* good multiple adjacent sequences */
|
||||
ATV(test, tracs(__LINE__, "\xC2\xB0\xC2\xB0xyz", "\xC2\xB0\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "\xE0\xA0\x80\xC2\xB0xyz", "\xE0\xA0\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "\xF1\x80\x80\x80\xC2\xB0xyz", "\xF1\x80\x80\x80\xC2\xB0xyz", k, AST_UTF8_REPLACE_VALID));
|
||||
/* Bad sequences */
|
||||
ATV(test, tracs(__LINE__, "\xC2xyz", "\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "\xC2\xC2xyz", "\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "\xB0xyz", "\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "\xE0\xA0\xC2xyz", "\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "\xE0\xA0\xF5xyz", "\xEF\xBF\xBD\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "\xE0\xA0xyz", "\xEF\xBF\xBDxyz", k, AST_UTF8_REPLACE_INVALID));
|
||||
|
||||
/*
|
||||
* End of string.
|
||||
*/
|
||||
/* good single sequences */
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0", "ABC\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80", "ABC\xE0\xA0\x80", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80", "ABC\xF1\x80\x80\x80", k, AST_UTF8_REPLACE_VALID));
|
||||
/* good multiple adjacent sequences */
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0\xC2\xB0", "ABC\xC2\xB0\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80\xC2\xB0", "ABC\xE0\xA0\x80\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xF1\x80\x80\x80\xC2\xB0", "ABC\xF1\x80\x80\x80\xC2\xB0", k, AST_UTF8_REPLACE_VALID));
|
||||
/* Bad sequences */
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2", "ABC\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xC2", "ABC\xEF\xBF\xBD\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xB0", "ABC\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xC2", "ABC\xEF\xBF\xBD\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\xF5", "ABC\xEF\xBF\xBD\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0", "ABC\xEF\xBF\xBD", k, AST_UTF8_REPLACE_INVALID));
|
||||
|
||||
|
||||
/*
|
||||
* Overrun Prevention
|
||||
*/
|
||||
|
||||
/* No frills. */
|
||||
k = 9;
|
||||
ATV(test, tracs(__LINE__, "ABC xyzA", "ABC xyzA", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyzA", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyzA", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
/* good single sequences */
|
||||
k = 9; /* \xC2\xB0 needs 2 bytes */
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC\xC2\xB0xyz", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC\xC2\xB0xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC\xC2\xB0x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC\xC2\xB0", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2\xB0xyz", "AB", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 10; /* \xE0\xA0\x80 needs 3 bytes */
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC\xE0\xA0\x80xyz", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC\xE0\xA0\x80xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC\xE0\xA0\x80x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC\xE0\xA0\x80", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xE0\xA0\x80xyz", "AB", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 10; /* \xEF\xBF\xBD needs 3 bytes */
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC\xEF\xBF\xBDxyz", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC\xEF\xBF\xBDxy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC\xEF\xBF\xBDx", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "ABC", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC\xC2xyz", "AB", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 14; /* Each \xEF\xBF\xBD needs 3 bytes */
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz\xEF\xBF\xBD\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xFF", "ABC x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
/*
|
||||
* The following tests are classed as "Everything including the kitchen sink".
|
||||
* Some tests may be redundant.
|
||||
*/
|
||||
k = 11;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xFF", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 11;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xB0", "ABC xyz\xC2\xB0", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xB0", "ABC xyz\xC2\xB0", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xB0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xB0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2\xB0", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 11;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xC2", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 12;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xEE\x80\x80", "ABC xyz\xEE\x80\x80", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xEE\x80\x80", "ABC xyz\xEE\x80\x80", k--, AST_UTF8_REPLACE_VALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xEE\x80\x80", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xEE\x80\x80", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xEE\x80\x80", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xEE\x80\x80", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 11;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 14;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz\xEF\xBF\xBD\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xBF", "ABC x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 14;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz\xEF\xBF\xBD\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xFF", "ABC x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 14;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz\xEF\xBF\xBD\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2", "ABC x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 14;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz\xEF\xBF\xBD\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\x80\xC0", "ABC x", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
k = 13;
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xyz\xEF\xBF\xBD\xC2\xB0", k--, AST_UTF8_REPLACE_INVALID));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xyz\xEF\xBF\xBD", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xyz", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
ATV(test, tracs(__LINE__, "ABC xyz\xED\xC2\xB0", "ABC xy", k--, AST_UTF8_REPLACE_OVERRUN));
|
||||
|
||||
return AST_TEST_PASS;
|
||||
}
|
||||
|
||||
AST_TEST_DEFINE(test_utf8_validator)
|
||||
{
|
||||
struct ast_utf8_validator *validator;
|
||||
@@ -357,6 +899,7 @@ static void test_utf8_shutdown(void)
|
||||
AST_TEST_UNREGISTER(test_utf8_is_valid);
|
||||
AST_TEST_UNREGISTER(test_utf8_copy_string);
|
||||
AST_TEST_UNREGISTER(test_utf8_validator);
|
||||
AST_TEST_UNREGISTER(test_utf8_replace_invalid_chars);
|
||||
}
|
||||
|
||||
int ast_utf8_init(void)
|
||||
@@ -364,6 +907,7 @@ int ast_utf8_init(void)
|
||||
AST_TEST_REGISTER(test_utf8_is_valid);
|
||||
AST_TEST_REGISTER(test_utf8_copy_string);
|
||||
AST_TEST_REGISTER(test_utf8_validator);
|
||||
AST_TEST_REGISTER(test_utf8_replace_invalid_chars);
|
||||
|
||||
ast_register_cleanup(test_utf8_shutdown);
|
||||
|
||||
|
||||
Reference in New Issue
Block a user