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fix: handle empty awg params

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This commit is contained in:
Mark Puha 2025-06-22 16:00:46 +02:00
parent 44462751a6
commit b1f5d05e93
1 changed files with 20 additions and 4 deletions
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24
src/config.c
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@ -22,6 +22,13 @@
#define COMMENT_CHAR '#'
// Keys that should return empty string instead of NULL when not found
static const char *awg_optional_keys[] = {
"I1", "I2", "I3", "I4", "I5",
"J1", "J2", "J3",
NULL
};
static const char *get_value(const char *line, const char *key)
{
size_t linelen = strlen(line);
@ -33,6 +40,7 @@ static const char *get_value(const char *line, const char *key)
if (strncasecmp(line, key, keylen))
return NULL;
return line + keylen;
}
@ -413,12 +421,12 @@ err:
static inline bool parse_awg_string(char **device_value, const char *name, const char *value) {
size_t len = strlen(value);
if (!len) {
fprintf(stderr, "Unable to parse empty string for: %s\n", name);
return false;
*device_value = "";
return true;
}
if( len >= MAX_AWG_JUNK_LEN) {
fprintf(stderr, "Unable to process hex string longer than: %d\n", MAX_AWG_JUNK_LEN);
fprintf(stderr, "Unable to process string for: %s; longer than: %d\n", name, MAX_AWG_JUNK_LEN);
return false;
}
*device_value = strdup(value);
@ -610,8 +618,16 @@ static bool process_line(struct config_ctx *ctx, const char *line)
ret = parse_uint32(&ctx->device->itime, "Itime", value);
if (ret)
ctx->device->flags |= WGDEVICE_HAS_ITIME;
} else
} else {
// Check if this is an AWG optional key
if (strlen(line) == 3) {
for (int i = 0; awg_optional_keys[i] != NULL; i++) {
if (!strncasecmp(line, awg_optional_keys[i], 2))
return true;
}
}
goto error;
}
} else if (ctx->is_peer_section) {
if (key_match("Endpoint"))
ret = parse_endpoint(&ctx->last_peer->endpoint.addr, value);