mirror of
https://github.com/sheumann/hush.git
synced 2024-08-20 19:29:02 +00:00
get rid of server_ and accepted_socket globals.
get_line 74 73 -1 log_and_exit 33 32 -1 send_headers 457 449 -8 httpd_main 906 892 -14 handle_incoming_and_exit 2136 2113 -23 send_cgi_and_exit 1743 1583 -160
This commit is contained in:
Denis Vlasenko
parent
a27a11bb2c
commit
9611cb1215
@ -131,13 +131,11 @@ typedef struct Htaccess_IP {
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} Htaccess_IP;
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struct globals {
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int server_socket;
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int accepted_socket;
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int verbose;
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smallint flg_deny_all;
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unsigned rmt_ip;
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unsigned tcp_port; /* for set env REMOTE_PORT */
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unsigned rmt_port; /* for set env REMOTE_PORT */
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const char *bind_addr_or_port;
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const char *g_query;
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@ -169,12 +167,10 @@ struct globals {
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char iobuf[MAX_MEMORY_BUF];
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};
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#define G (*ptr_to_globals)
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#define server_socket (G.server_socket )
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#define accepted_socket (G.accepted_socket )
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#define verbose (G.verbose )
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#define flg_deny_all (G.flg_deny_all )
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#define rmt_ip (G.rmt_ip )
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#define tcp_port (G.tcp_port )
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#define rmt_port (G.rmt_port )
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#define bind_addr_or_port (G.bind_addr_or_port)
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#define g_query (G.g_query )
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#define configFile (G.configFile )
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@ -863,10 +859,7 @@ static void send_headers(HttpResponseNum responseNum)
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}
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if (DEBUG)
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fprintf(stderr, "headers: '%s'\n", iobuf);
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i = accepted_socket;
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if (i == 0)
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i++; /* write to fd #1 in inetd mode */
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if (full_write(i, iobuf, len) != len) {
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if (full_write(1, iobuf, len) != len) {
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if (verbose > 1)
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bb_perror_msg("error");
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log_and_exit();
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@ -892,7 +885,7 @@ static int get_line(void)
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int count = 0;
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/* We must not read extra chars. Reading byte-by-byte... */
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while (read(accepted_socket, iobuf + count, 1) == 1) {
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while (read(0, iobuf + count, 1) == 1) {
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if (iobuf[count] == '\r')
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continue;
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if (iobuf[count] == '\n') {
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@ -941,7 +934,6 @@ static void send_cgi_and_exit(
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int buf_count;
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int status;
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int pid = 0;
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int sv_accepted_socket = accepted_socket;
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/*
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* We are mucking with environment _first_ and then vfork/exec,
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@ -1008,7 +1000,7 @@ static void send_cgi_and_exit(
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}
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setenv1("HTTP_USER_AGENT", user_agent);
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#if ENABLE_FEATURE_HTTPD_SET_REMOTE_PORT_TO_ENV
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setenv_long("REMOTE_PORT", tcp_port);
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setenv_long("REMOTE_PORT", rmt_port);
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#endif
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if (bodyLen)
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setenv_long("CONTENT_LENGTH", bodyLen);
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@ -1038,11 +1030,6 @@ static void send_cgi_and_exit(
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/* Child process */
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xfunc_error_retval = 242;
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if (accepted_socket > 1)
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close(accepted_socket);
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if (server_socket > 1)
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close(server_socket);
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xmove_fd(toCgi.rd, 0); /* replace stdin with the pipe */
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xmove_fd(fromCgi.wr, 1); /* replace stdout with the pipe */
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close(fromCgi.rd);
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@ -1087,7 +1074,6 @@ static void send_cgi_and_exit(
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error_execing_cgi:
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/* send to stdout
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* (we are CGI here, our stdout is pumped to the net) */
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accepted_socket = 1;
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send_headers_and_exit(HTTP_NOT_FOUND);
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} /* end child */
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@ -1095,7 +1081,6 @@ static void send_cgi_and_exit(
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/* First, restore variables possibly changed by child */
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xfunc_error_retval = 0;
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accepted_socket = sv_accepted_socket;
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/* Prepare for pumping data */
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buf_count = 0;
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@ -1126,11 +1111,8 @@ static void send_cgi_and_exit(
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if (bodyLen > 0 || post_read_size > 0) {
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FD_SET(toCgi.wr, &writeSet);
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nfound = toCgi.wr > fromCgi.rd ? toCgi.wr : fromCgi.rd;
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if (post_read_size == 0) {
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FD_SET(accepted_socket, &readSet);
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if (nfound < accepted_socket)
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nfound = accepted_socket;
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}
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if (post_read_size == 0)
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FD_SET(0, &readSet);
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/* Now wait on the set of sockets! */
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nfound = select(nfound + 1, &readSet, &writeSet, NULL, NULL);
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} else {
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@ -1169,13 +1151,13 @@ static void send_cgi_and_exit(
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post_read_size = bodyLen = 0; /* EOF/broken pipe to CGI */
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}
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} else if (bodyLen > 0 && post_read_size == 0
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&& FD_ISSET(accepted_socket, &readSet)
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&& FD_ISSET(0, &readSet)
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) {
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/* We expect data, prev data portion is eaten by CGI
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* and there *is* data to read from the peer
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* (POSTDATA?) */
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count = bodyLen > (int)sizeof(wbuf) ? (int)sizeof(wbuf) : bodyLen;
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count = safe_read(accepted_socket, wbuf, count);
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count = safe_read(0, wbuf, count);
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if (count > 0) {
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post_read_size = count;
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post_read_idx = 0;
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@ -1191,7 +1173,6 @@ static void send_cgi_and_exit(
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#endif
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if (FD_ISSET(fromCgi.rd, &readSet)) {
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/* There is something to read from CGI */
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int s = accepted_socket;
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char *rbuf = iobuf;
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/* Are we still buffering CGI output? */
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@ -1213,8 +1194,8 @@ static void send_cgi_and_exit(
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/* eof (or error) and there was no "HTTP",
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* so write it, then write received data */
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if (buf_count) {
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full_write(s, HTTP_200, sizeof(HTTP_200)-1);
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full_write(s, rbuf, buf_count);
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full_write(1, HTTP_200, sizeof(HTTP_200)-1);
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full_write(1, rbuf, buf_count);
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}
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break; /* closed */
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}
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@ -1223,7 +1204,7 @@ static void send_cgi_and_exit(
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/* "Status" header format is: "Status: 302 Redirected\r\n" */
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if (buf_count >= 8 && memcmp(rbuf, "Status: ", 8) == 0) {
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/* send "HTTP/1.0 " */
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if (full_write(s, HTTP_200, 9) != 9)
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if (full_write(1, HTTP_200, 9) != 9)
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break;
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rbuf += 8; /* skip "Status: " */
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count = buf_count - 8;
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@ -1232,7 +1213,7 @@ static void send_cgi_and_exit(
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/* Did CGI add "HTTP"? */
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if (memcmp(rbuf, HTTP_200, 4) != 0) {
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/* there is no "HTTP", do it ourself */
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if (full_write(s, HTTP_200, sizeof(HTTP_200)-1) != sizeof(HTTP_200)-1)
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if (full_write(1, HTTP_200, sizeof(HTTP_200)-1) != sizeof(HTTP_200)-1)
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break;
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}
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/* Commented out:
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@ -1252,7 +1233,7 @@ static void send_cgi_and_exit(
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if (count <= 0)
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break; /* eof (or error) */
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}
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if (full_write(s, rbuf, count) != count)
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if (full_write(1, rbuf, count) != count)
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break;
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if (DEBUG)
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fprintf(stderr, "cgi read %d bytes: '%.*s'\n", count, count, rbuf);
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@ -1292,7 +1273,6 @@ static void send_file_and_exit(const char *url)
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char *suffix;
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int f;
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int fd;
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const char *const *table;
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const char *try_suffix;
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ssize_t count;
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@ -1340,9 +1320,6 @@ static void send_file_and_exit(const char *url)
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}
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send_headers(HTTP_OK);
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fd = accepted_socket;
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if (fd == 0)
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fd++; /* write to fd #1 in inetd mode */
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/* If you want to know about EPIPE below
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* (happens if you abort downloads from local httpd): */
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@ -1351,7 +1328,7 @@ static void send_file_and_exit(const char *url)
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#if ENABLE_FEATURE_HTTPD_USE_SENDFILE
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do {
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/* byte count (3rd arg) is rounded down to 64k */
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count = sendfile(fd, f, &offset, MAXINT(ssize_t) - 0xffff);
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count = sendfile(1, f, &offset, MAXINT(ssize_t) - 0xffff);
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if (count < 0) {
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if (offset == 0)
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goto fallback;
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@ -1364,7 +1341,7 @@ static void send_file_and_exit(const char *url)
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#endif
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while ((count = safe_read(f, iobuf, MAX_MEMORY_BUF)) > 0) {
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ssize_t n = count;
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count = full_write(fd, iobuf, count);
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count = full_write(1, iobuf, count);
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if (count != n)
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break;
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}
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@ -1521,9 +1498,10 @@ static void handle_incoming_and_exit(void)
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#endif
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/* Install timeout handler */
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = exit_on_signal;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0; /* no SA_RESTART */
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/* sigemptyset(&sa.sa_mask); - memset should be enough */
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/*sa.sa_flags = 0; - no SA_RESTART */
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sigaction(SIGALRM, &sa, NULL);
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alarm(HEADER_READ_TIMEOUT);
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@ -1779,18 +1757,17 @@ static void handle_incoming_and_exit(void)
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#endif
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/* Properly wait for remote to closed */
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int retval;
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shutdown(accepted_socket, SHUT_WR);
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shutdown(1, SHUT_WR);
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do {
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fd_set s_fd;
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struct timeval tv;
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FD_ZERO(&s_fd);
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FD_SET(accepted_socket, &s_fd);
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FD_SET(0, &s_fd);
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tv.tv_sec = 2;
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tv.tv_usec = 0;
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retval = select(accepted_socket + 1, &s_fd, NULL, NULL, &tv);
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} while (retval > 0 && read(accepted_socket, iobuf, sizeof(iobuf) > 0));
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shutdown(accepted_socket, SHUT_RD);
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close(accepted_socket);
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retval = select(1, &s_fd, NULL, NULL, &tv);
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} while (retval > 0 && read(0, iobuf, sizeof(iobuf) > 0));
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shutdown(0, SHUT_RD);
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log_and_exit();
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#endif
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}
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@ -1802,8 +1779,8 @@ static void handle_incoming_and_exit(void)
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* the processing as a forked process.
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* Never returns.
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*/
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static void mini_httpd(int server) ATTRIBUTE_NORETURN;
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static void mini_httpd(int server)
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static void mini_httpd(int server_socket) ATTRIBUTE_NORETURN;
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static void mini_httpd(int server_socket)
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{
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/* NB: it's best to not use xfuncs in this loop before fork().
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* Otherwise server may die on transient errors (temporary
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@ -1816,7 +1793,7 @@ static void mini_httpd(int server)
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/* Wait for connections... */
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fromAddr.len = LSA_SIZEOF_SA;
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n = accept(server, &fromAddr.sa, &fromAddr.len);
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n = accept(server_socket, &fromAddr.sa, &fromAddr.len);
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if (n < 0)
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continue;
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@ -1829,15 +1806,18 @@ static void mini_httpd(int server)
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/* Do not reload config on HUP */
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signal(SIGHUP, SIG_IGN);
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#endif
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accepted_socket = n;
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close(server_socket);
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xmove_fd(n, 0);
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xdup2(0, 1);
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n = get_nport(&fromAddr.sa);
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tcp_port = ntohs(n);
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rmt_port = ntohs(n);
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rmt_ip = 0;
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if (fromAddr.sa.sa_family == AF_INET) {
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rmt_ip = ntohl(fromAddr.sin.sin_addr.s_addr);
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}
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if (ENABLE_FEATURE_HTTPD_CGI || DEBUG || verbose) {
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rmt_ip_str = xmalloc_sockaddr2dotted(&fromAddr.sa, fromAddr.len);
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rmt_ip_str = xmalloc_sockaddr2dotted(&fromAddr.sa);
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}
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if (verbose) {
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/* this trick makes -v logging much simpler */
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@ -1864,13 +1844,13 @@ static void mini_httpd_inetd(void)
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fromAddr.len = LSA_SIZEOF_SA;
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getpeername(0, &fromAddr.sa, &fromAddr.len);
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n = get_nport(&fromAddr.sa);
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tcp_port = ntohs(n);
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rmt_port = ntohs(n);
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rmt_ip = 0;
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if (fromAddr.sa.sa_family == AF_INET) {
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rmt_ip = ntohl(fromAddr.sin.sin_addr.s_addr);
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}
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if (ENABLE_FEATURE_HTTPD_CGI || DEBUG || verbose) {
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rmt_ip_str = xmalloc_sockaddr2dotted(&fromAddr.sa, fromAddr.len);
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rmt_ip_str = xmalloc_sockaddr2dotted(&fromAddr.sa);
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}
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handle_incoming_and_exit();
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}
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@ -1919,6 +1899,7 @@ enum {
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int httpd_main(int argc, char **argv);
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int httpd_main(int argc, char **argv)
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{
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int server_socket = server_socket; /* for gcc */
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unsigned opt;
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char *url_for_decode;
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USE_FEATURE_HTTPD_ENCODE_URL_STR(const char *url_for_encode;)
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@ -2004,8 +1985,8 @@ int httpd_main(int argc, char **argv)
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clearenv();
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if (p)
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putenv(p - 5);
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if (!(opt & OPT_INETD))
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setenv_long("SERVER_PORT", tcp_port);
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// if (!(opt & OPT_INETD))
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// setenv_long("SERVER_PORT", ???);
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}
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#endif
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