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avformat/http: Fix for invalid use of av_strtok

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Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
This commit is contained in:
Limin Wang 2020-04-18 12:19:31 +08:00
parent 53c88355a5
commit 3b8b6d837e
1 changed files with 6 additions and 2 deletions
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8
libavformat/http.c
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@ -786,6 +786,7 @@ static int parse_set_cookie_expiry_time(const char *exp_str, struct tm *buf)
static int parse_set_cookie(const char *set_cookie, AVDictionary **dict)
{
char *param, *next_param, *cstr, *back;
char *saveptr = NULL;
if (!set_cookie[0])
return 0;
@ -803,8 +804,9 @@ static int parse_set_cookie(const char *set_cookie, AVDictionary **dict)
}
next_param = cstr;
while ((param = av_strtok(next_param, ";", &next_param))) {
while ((param = av_strtok(next_param, ";", &saveptr))) {
char *name, *value;
next_param = NULL;
param += strspn(param, WHITESPACES);
if ((name = av_strtok(param, "=", &value))) {
if (av_dict_set(dict, name, value, 0) < 0) {
@ -1064,6 +1066,7 @@ static int get_cookies(HTTPContext *s, char **cookies, const char *path,
// Set-Cookie fields will result in multiple values delimited by a newline
int ret = 0;
char *cookie, *set_cookies, *next;
char *saveptr = NULL;
// destroy any cookies in the dictionary.
av_dict_free(&s->cookie_dict);
@ -1076,10 +1079,11 @@ static int get_cookies(HTTPContext *s, char **cookies, const char *path,
return AVERROR(ENOMEM);
*cookies = NULL;
while ((cookie = av_strtok(next, "\n", &next)) && !ret) {
while ((cookie = av_strtok(next, "\n", &saveptr)) && !ret) {
AVDictionary *cookie_params = NULL;
AVDictionaryEntry *cookie_entry, *e;
next = NULL;
// store the cookie in a dict in case it is updated in the response
if (parse_cookie(s, cookie, &s->cookie_dict))
av_log(s, AV_LOG_WARNING, "Unable to parse '%s'\n", cookie);