Fixed use-after-free in reply messages.

This commit is contained in:
default 2023-04-16 07:12:57 +02:00
parent fd0440dd75
commit 604c1f0bce

View file

@ -663,12 +663,12 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
int status = 404;
xs_dict *args = xs_dict_get(req, "q_vars");
xs *cmd = xs_replace(q_path, "/api/v1", "");
xs *cmd = xs_replace(q_path, "/api", "");
snac snac1 = {0};
int logged_in = process_auth_token(&snac1, req);
if (strcmp(cmd, "/accounts/verify_credentials") == 0) {
if (strcmp(cmd, "/v1/accounts/verify_credentials") == 0) {
if (logged_in) {
xs *acct = xs_dict_new();
@ -700,7 +700,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
}
}
else
if (strcmp(cmd, "/accounts/relationships") == 0) {
if (strcmp(cmd, "/v1/accounts/relationships") == 0) {
/* find if an account is followed, blocked, etc. */
/* the account to get relationships about is in args "id[]" */
/* dummy by now */
@ -711,11 +711,11 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
}
}
else
if (xs_startswith(cmd, "/accounts/")) {
if (xs_startswith(cmd, "/v1/accounts/")) {
/* account-related information */
xs *l = xs_split(cmd, "/");
const char *uid = xs_list_get(l, 2);
const char *opt = xs_list_get(l, 3);
const char *uid = xs_list_get(l, 3);
const char *opt = xs_list_get(l, 4);
if (uid != NULL) {
snac snac2;
@ -778,7 +778,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
}
}
else
if (strcmp(cmd, "/timelines/home") == 0) {
if (strcmp(cmd, "/v1/timelines/home") == 0) {
/* the private timeline */
if (logged_in) {
const char *max_id = xs_dict_get(args, "max_id");
@ -860,7 +860,7 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
}
}
else
if (strcmp(cmd, "/timelines/public") == 0) {
if (strcmp(cmd, "/v1/timelines/public") == 0) {
/* the public timeline (public timelines for all users) */
/* TBD */
*body = xs_dup("[]");
@ -868,14 +868,14 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
status = 200;
}
else
if (strcmp(cmd, "/conversations") == 0) {
if (strcmp(cmd, "/v1/conversations") == 0) {
/* TBD */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/notifications") == 0) {
if (strcmp(cmd, "/v1/notifications") == 0) {
if (logged_in) {
xs *l = notify_list(&snac1, 0);
xs *out = xs_list_new();
@ -945,63 +945,63 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
status = 401;
}
else
if (strcmp(cmd, "/filters") == 0) {
if (strcmp(cmd, "/v1/filters") == 0) {
/* snac will never have filters */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/favourites") == 0) {
if (strcmp(cmd, "/v1/favourites") == 0) {
/* snac will never support a list of favourites */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/bookmarks") == 0) {
if (strcmp(cmd, "/v1/bookmarks") == 0) {
/* snac does not support bookmarks */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/lists") == 0) {
if (strcmp(cmd, "/v1/lists") == 0) {
/* snac does not support lists */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/scheduled_statuses") == 0) {
if (strcmp(cmd, "/v1/scheduled_statuses") == 0) {
/* snac does not scheduled notes */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/follow_requests") == 0) {
if (strcmp(cmd, "/v1/follow_requests") == 0) {
/* snac does not support optional follow confirmations */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/announcements") == 0) {
if (strcmp(cmd, "/v1/announcements") == 0) {
/* snac has no announcements (yet?) */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/custom_emojis") == 0) {
if (strcmp(cmd, "/v1/custom_emojis") == 0) {
/* are you kidding me? */
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/instance") == 0) {
if (strcmp(cmd, "/v1/instance") == 0) {
/* returns an instance object */
xs *ins = xs_dict_new();
const char *host = xs_dict_get(srv_config, "host");
@ -1036,11 +1036,11 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
status = 200;
}
else
if (xs_startswith(cmd, "/statuses/")) {
if (xs_startswith(cmd, "/v1/statuses/")) {
/* operations on a status */
xs *l = xs_split(cmd, "/");
const char *id = xs_list_get(l, 2);
const char *op = xs_list_get(l, 3);
const char *id = xs_list_get(l, 3);
const char *op = xs_list_get(l, 4);
if (!xs_is_null(id)) {
xs *msg = NULL;
@ -1132,25 +1132,25 @@ int mastoapi_get_handler(const xs_dict *req, const char *q_path,
}
}
else
if (strcmp(cmd, "/filters") == 0) {
if (strcmp(cmd, "/v1/filters") == 0) {
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/preferences") == 0) {
if (strcmp(cmd, "/v1/preferences") == 0) {
*body = xs_dup("{}");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/markers") == 0) {
if (strcmp(cmd, "/v1/markers") == 0) {
*body = xs_dup("{}");
*ctype = "application/json";
status = 200;
}
else
if (strcmp(cmd, "/followed_tags") == 0) {
if (strcmp(cmd, "/v1/followed_tags") == 0) {
*body = xs_dup("[]");
*ctype = "application/json";
status = 200;
@ -1249,7 +1249,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
const char *summary = xs_dict_get(args, "spoiler_text");
xs *attach_list = xs_list_new();
char *irt = NULL;
xs *irt = NULL;
/* is it a reply? */
if (mid != NULL) {
@ -1257,7 +1257,7 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
const char *md5 = MID_TO_MD5(mid);
if (valid_status(object_get_by_md5(md5, &r_msg)))
irt = xs_dict_get(r_msg, "id");
irt = xs_dup(xs_dict_get(r_msg, "id"));
}
/* prepare the message */
@ -1294,8 +1294,8 @@ int mastoapi_post_handler(const xs_dict *req, const char *q_path,
if (logged_in) {
/* operations on a status */
xs *l = xs_split(cmd, "/");
const char *mid = xs_list_get(l, 2);
const char *op = xs_list_get(l, 3);
const char *mid = xs_list_get(l, 3);
const char *op = xs_list_get(l, 4);
if (!xs_is_null(mid)) {
xs *msg = NULL;