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Made behavior of mg_get_cookie(..) on errors the same as mg_get_var(..). Separated the two cases a.) problems with destination buffer and b.) cookie header or cookie parameter not existing.

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nullable.type committed 2012-12-16 22:20:21 +01:00
1 parent ca9212c3ca
commit 8faf6f7b72
2 files changed
+31 -26
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mongoose.c
+28 -23
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@@ -1698,32 +1698,37 @@ int mg_get_cookie(const struct mg_connection *conn, const char *cookie_name,
const char *s, *p, *end;
int name_len, len = -1;
dst[0] = '\0';
if ((s = mg_get_header(conn, "Cookie")) == NULL) {
return -1;
}
if (dst == NULL || dst_size == 0) {
len = -2;
} else if (cookie_name == NULL || (s = mg_get_header(conn, "Cookie")) == NULL) {
len = -1;
dst[0] = '\0';
} else {
name_len = (int) strlen(cookie_name);
end = s + strlen(s);
dst[0] = '\0';
name_len = (int) strlen(cookie_name);
end = s + strlen(s);
for (; (s = strstr(s, cookie_name)) != NULL; s += name_len)
if (s[name_len] == '=') {
s += name_len + 1;
if ((p = strchr(s, ' ')) == NULL)
p = end;
if (p[-1] == ';')
p--;
if (*s == '"' && p[-1] == '"' && p > s + 1) {
s++;
p--;
for (; (s = strstr(s, cookie_name)) != NULL; s += name_len) {
if (s[name_len] == '=') {
s += name_len + 1;
if ((p = strchr(s, ' ')) == NULL)
p = end;
if (p[-1] == ';')
p--;
if (*s == '"' && p[-1] == '"' && p > s + 1) {
s++;
p--;
}
if ((size_t) (p - s) < dst_size) {
len = p - s;
mg_strlcpy(dst, s, (size_t) len + 1);
} else {
len = -2;
}
break;
}
if ((size_t) (p - s) < dst_size) {
len = p - s;
mg_strlcpy(dst, s, (size_t) len + 1);
}
break;
}
}
return len;
}