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refactor html-error so send_http_headers() can take extra arg 

we already required an extra argument inside the headers sent
for 401 and 407 error responses, move those to sent_http_error_message()
and refactor send_http_headers() to always take the extra argument.
in calling sites where the extra arg isn't needed, use "".
master
rofl0r 2021-03-28 20:22:32 +01:00
parent c4231e58bf
commit 48860bbe26
3 changed files with 20 additions and 17 deletions
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33
src/html-error.c
View File

@ -133,7 +133,9 @@ send_html_file (FILE *infile, struct conn_s *connptr)
return 1;
}
int send_http_headers (struct conn_s *connptr, int code, const char *message)
int send_http_headers (
struct conn_s *connptr, int code,
const char *message, const char *extra)
{
const char headers[] =
"HTTP/1.0 %d %s\r\n"
@ -142,21 +144,9 @@ int send_http_headers (struct conn_s *connptr, int code, const char *message)
"%s"
"Connection: close\r\n" "\r\n";
const char p_auth_str[] =
"Proxy-Authenticate: Basic realm=\""
PACKAGE_NAME "\"\r\n";
const char w_auth_str[] =
"WWW-Authenticate: Basic realm=\""
PACKAGE_NAME "\"\r\n";
/* according to rfc7235, the 407 error must be accompanied by
a Proxy-Authenticate header field. */
const char *add = code == 407 ? p_auth_str : (code == 401 ? w_auth_str : "");
return (write_message (connptr->client_fd, headers,
code, message, PACKAGE, VERSION,
add));
extra));
}
/*
@ -180,8 +170,21 @@ int send_http_error_message (struct conn_s *connptr)
"<p><em>Generated by %s version %s.</em></p>\n" "</body>\n"
"</html>\n";
const char p_auth_str[] =
"Proxy-Authenticate: Basic realm=\""
PACKAGE_NAME "\"\r\n";
const char w_auth_str[] =
"WWW-Authenticate: Basic realm=\""
PACKAGE_NAME "\"\r\n";
/* according to rfc7235, the 407 error must be accompanied by
a Proxy-Authenticate header field. */
const char *add = connptr->error_number == 407 ? p_auth_str :
(connptr->error_number == 401 ? w_auth_str : "");
send_http_headers (connptr, connptr->error_number,
connptr->error_string);
connptr->error_string, add);
error_file = get_html_file (connptr->error_number);
if (!(infile = fopen (error_file, "r"))) {

2
src/html-error.h
View File

@ -33,7 +33,7 @@ extern int add_error_variable (struct conn_s *connptr, const char *key,
const char *val);
extern int send_html_file (FILE * infile, struct conn_s *connptr);
extern int send_http_headers (struct conn_s *connptr, int code,
const char *message);
const char *message, const char *extra);
extern int add_standard_vars (struct conn_s *connptr);
#endif /* !TINYPROXY_HTML_ERROR_H */

2
src/stats.c
View File

@ -122,7 +122,7 @@ err_minus_one:
add_error_variable (connptr, "deniedconns", denied);
add_error_variable (connptr, "refusedconns", refused);
add_standard_vars (connptr);
send_http_headers (connptr, 200, "Statistic requested");
send_http_headers (connptr, 200, "Statistic requested", "");
send_html_file (statfile, connptr);
fclose (statfile);
pthread_mutex_unlock(&stats_file_lock);