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[multiple] address coverity warnings

personal/stbuehler/ci-build
Glenn Strauss 1 year ago
parent
commit
2781a3be6d
  1. 8
      src/buffer.c
  2. 2
      src/fdevent.c
  3. 3
      src/gw_backend.c
  4. 4
      src/http-header-glue.c
  5. 5
      src/mod_openssl.c
  6. 5
      src/mod_webdav.c
  7. 9
      src/rand.c
  8. 2
      src/stat_cache.c

8
src/buffer.c

@ -97,7 +97,7 @@ static void buffer_alloc_replace(buffer * const b, const size_t size) {
}
char* buffer_string_prepare_copy(buffer * const b, const size_t size) {
if (NULL == b || size >= b->size) buffer_alloc_replace(b, size);
if (NULL == b->ptr || size >= b->size) buffer_alloc_replace(b, size);
b->used = 0;
return b->ptr;
@ -124,7 +124,7 @@ static char* buffer_string_prepare_append_resize(buffer * const b, const size_t
}
char* buffer_string_prepare_append(buffer * const b, const size_t size) {
return (NULL != b && size < b->size - b->used)
return (NULL != b->ptr && size < b->size - b->used)
? b->ptr + b->used - (0 != b->used)
: buffer_string_prepare_append_resize(b, size);
}
@ -587,7 +587,7 @@ void buffer_append_string_encoded(buffer * const restrict b, const char * const
/* count to-be-encoded-characters */
for (ds = (unsigned char *)s, d_len = 0, ndx = 0; ndx < s_len; ds++, ndx++) {
if (map[*ds]) {
if (map[*ds & 0xFF]) {
switch(encoding) {
case ENCODING_REL_URI:
case ENCODING_REL_URI_PART:
@ -607,7 +607,7 @@ void buffer_append_string_encoded(buffer * const restrict b, const char * const
buffer_commit(b, d_len); /* fill below */
for (ds = (unsigned char *)s, d_len = 0, ndx = 0; ndx < s_len; ds++, ndx++) {
if (map[*ds]) {
if (map[*ds & 0xFF]) {
switch(encoding) {
case ENCODING_REL_URI:
case ENCODING_REL_URI_PART:

2
src/fdevent.c

@ -231,7 +231,7 @@ fdevents * fdevent_init(const char *event_handler, int *max_fds, int *cur_fds, l
if (0 == fdevent_libev_init(ev)) return ev;
break;
#endif
case FDEVENT_HANDLER_UNSET:
/*case FDEVENT_HANDLER_UNSET:*/
default:
break;
}

3
src/gw_backend.c

@ -423,6 +423,9 @@ static int env_add(char_array *env, const char *key, size_t key_len, const char
memcpy(dst + key_len + 1, val, val_len + 1); /* add the \0 from the value */
for (uint32_t i = 0; i < env->used; ++i) {
#ifdef __COVERITY__
force_assert(env->ptr); /*(non-NULL if env->used != 0)*/
#endif
if (0 == strncmp(dst, env->ptr[i], key_len + 1)) {
free(env->ptr[i]);
env->ptr[i] = dst;

4
src/http-header-glue.c

@ -1291,6 +1291,10 @@ handler_t http_response_read(request_st * const r, http_response_opts * const op
}
buffer_commit(b, (size_t)n);
#ifdef __COVERITY__
/* Coverity Scan overlooks the effect of buffer_commit() */
b->ptr[buffer_string_length(b)+n] = '\0';
#endif
if (NULL != opts->parse) {
handler_t rc = opts->parse(r, opts, b, (size_t)n);

5
src/mod_openssl.c

@ -461,7 +461,10 @@ mod_openssl_session_ticket_key_file (const char *fn)
if (rd == sizeof(buf) && buf[0] == 0) { /*(format version 0)*/
session_ticket_keys[3].active_ts = buf[1];
session_ticket_keys[3].expire_ts = buf[2];
memcpy(&session_ticket_keys[3].tick_key_name, buf+3, 80);
/* intentionally copy 80 bytes into consecutive arrays
* tick_key_name[], tick_hmac_key[], tick_aes_key[] */
void *x = (void *)&session_ticket_keys[3].tick_key_name;
memcpy(x, buf+3, 80);
rc = 1;
}

5
src/mod_webdav.c

@ -4346,6 +4346,11 @@ mod_webdav_put_prep (request_st * const r, const plugin_config * const pconf)
cq->last->file.length = 0;
cq->bytes_in = 0;
}
#ifdef __COVERITY__
/* chunkqueue_append_file_fd() does not update cq->last when 0 == cqlen,
* and that is handled above, so cq->last is never NULL here */
force_assert(cq->last);
#endif
buffer_clear(cq->last->mem); /* file already unlink()ed */
chunkqueue_set_tempdirs(cq, cq->tempdirs, INTMAX_MAX);
/* force huge cq->upload_temp_file_size since chunkqueue_set_tempdirs()

9
src/rand.c

@ -222,6 +222,10 @@ static void li_rand_init (void)
#ifdef HAVE_ARC4RANDOM_BUF
u = arc4random();
arc4random_buf(xsubi, sizeof(xsubi));
#elif defined(__COVERITY__)
/* Coverity Scan ignores(?) annotation below,
* so hide fallback path from Coverity Scan */
u = (unsigned int)(time(NULL) ^ getpid());
#else
/* NOTE: not cryptographically random !!! */
srand((unsigned int)(time(NULL) ^ getpid()));
@ -342,6 +346,11 @@ int li_rand_pseudo (void)
#endif
#ifdef HAVE_ARC4RANDOM_BUF
return (int)arc4random();
#elif defined(__COVERITY__)
/* li_rand_pseudo() is not intended for cryptographic use */
/* Coverity Scan ignores(?) annotation below,
* so hide fallback paths from Coverity Scan */
return (int)(time(NULL) ^ getpid());
#elif defined(HAVE_SRANDOM)
/* coverity[dont_call : FALSE] */
return (int)random();

2
src/stat_cache.c

@ -1072,7 +1072,7 @@ int stat_cache_path_contains_symlink(const buffer *name, log_error_st *errh) {
log_perror(errh, __FILE__, __LINE__, "lstat failed for: %s", buf);
return -1;
}
} while ((s_cur = strrchr(buf, '/')) != buf);
} while ((s_cur = strrchr(buf, '/')) > buf); /*(&buf[0]==buf; NULL < buf)*/
#endif
return 0;

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