diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/httpd.c | 138 |
1 files changed, 71 insertions, 67 deletions
diff --git a/networking/httpd.c b/networking/httpd.c index 11e89f6..76c4346 100644 --- a/networking/httpd.c +++ b/networking/httpd.c @@ -168,6 +168,15 @@ static const char home[] = "./"; #undef CONFIG_FEATURE_HTTPD_CGI #undef CONFIG_FEATURE_HTTPD_SETUID #undef CONFIG_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP +#undef ENABLE_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY +#undef ENABLE_FEATURE_HTTPD_BASIC_AUTH +#undef ENABLE_FEATURE_HTTPD_AUTH_MD5 +#undef ENABLE_FEATURE_HTTPD_ENCODE_URL_STR +#undef ENABLE_FEATURE_HTTPD_SET_REMOTE_PORT_TO_ENV +#undef ENABLE_FEATURE_HTTPD_CONFIG_WITH_MIME_TYPES +#undef ENABLE_FEATURE_HTTPD_CGI +#undef ENABLE_FEATURE_HTTPD_SETUID +#undef ENABLE_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP /* enable all features now */ #define CONFIG_FEATURE_HTTPD_BASIC_AUTH #define CONFIG_FEATURE_HTTPD_AUTH_MD5 @@ -177,6 +186,15 @@ static const char home[] = "./"; #define CONFIG_FEATURE_HTTPD_CGI #define CONFIG_FEATURE_HTTPD_SETUID #define CONFIG_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP +#define ENABLE_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY 0 +#define ENABLE_FEATURE_HTTPD_BASIC_AUTH 1 +#define ENABLE_FEATURE_HTTPD_AUTH_MD5 1 +#define ENABLE_FEATURE_HTTPD_ENCODE_URL_STR 1 +#define ENABLE_FEATURE_HTTPD_SET_REMOTE_PORT_TO_ENV 1 +#define ENABLE_FEATURE_HTTPD_CONFIG_WITH_MIME_TYPES 1 +#define ENABLE_FEATURE_HTTPD_CGI 1 +#define ENABLE_FEATURE_HTTPD_SETUID 1 +#define ENABLE_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP 1 /* require from libbb.a for linking */ const char *bb_applet_name = "httpd"; @@ -196,6 +214,10 @@ void bb_show_usage(void) #undef DEBUG #endif +#ifndef DEBUG +# define DEBUG 0 +#endif + #define MAX_MEMORY_BUFF 8192 /* IO buffer */ typedef struct HT_ACCESS { @@ -229,7 +251,7 @@ typedef struct const char *configFile; unsigned int rmt_ip; -#if defined(CONFIG_FEATURE_HTTPD_CGI) || defined(DEBUG) +#if ENABLE_FEATURE_HTTPD_CGI || DEBUG char rmt_ip_str[16]; /* for set env REMOTE_ADDR */ #endif unsigned port; /* server initial port and for @@ -253,12 +275,11 @@ typedef struct #ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY int accepted_socket; -#define a_c_r config->accepted_socket -#define a_c_w config->accepted_socket - int debugHttpd; /* if seted, don`t stay daemon */ +# define a_c_r config->accepted_socket +# define a_c_w config->accepted_socket #else -#define a_c_r 0 -#define a_c_w 1 +# define a_c_r 0 +# define a_c_w 1 #endif volatile int alarm_signaled; @@ -1007,8 +1028,8 @@ static int sendHeaders(HttpResponseNum responseNum) responseNum, responseString, responseNum, responseString, infoString); } -#ifdef DEBUG - if (config->debugHttpd) fprintf(stderr, "Headers: '%s'", buf); +#if DEBUG + fprintf(stderr, "Headers: '%s'", buf); #endif return bb_full_write(a_c_w, buf, len); } @@ -1106,10 +1127,7 @@ static int sendCgi(const char *url, dup2(inFd, 0); // replace stdin with the pipe dup2(outFd, 1); // replace stdout with the pipe - -#ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY - if (!config->debugHttpd) -#endif + if(!DEBUG) dup2(outFd, 2); // replace stderr with the pipe close(toCgi[0]); @@ -1247,13 +1265,11 @@ static int sendCgi(const char *url, if (nfound <= 0) { if (waitpid(pid, &status, WNOHANG) > 0) { close(inFd); -#ifdef DEBUG - if (config->debugHttpd) { - if (WIFEXITED(status)) +#if DEBUG + if (WIFEXITED(status)) bb_error_msg("piped has exited with status=%d", WEXITSTATUS(status)); - if (WIFSIGNALED(status)) + if (WIFSIGNALED(status)) bb_error_msg("piped has exited with signal=%d", WTERMSIG(status)); - } #endif break; } @@ -1309,9 +1325,8 @@ static int sendCgi(const char *url, if (bb_full_write(s, rbuf, count) != count) break; -#ifdef DEBUG - if (config->debugHttpd) - fprintf(stderr, "cgi read %d bytes\n", count); +#if DEBUG + fprintf(stderr, "cgi read %d bytes\n", count); #endif } } @@ -1363,10 +1378,9 @@ static int sendFile(const char *url) } #endif /* CONFIG_FEATURE_HTTPD_CONFIG_WITH_MIME_TYPES */ -#ifdef DEBUG - if (config->debugHttpd) - fprintf(stderr, "Sending file '%s' Content-type: %s\n", - url, config->httpd_found.found_mime_type); +#if DEBUG + fprintf(stderr, "Sending file '%s' Content-type: %s\n", + url, config->httpd_found.found_mime_type); #endif f = open(url, O_RDONLY); @@ -1381,9 +1395,8 @@ static int sendFile(const char *url) } close(f); } else { -#ifdef DEBUG - if (config->debugHttpd) - bb_perror_msg("Unable to open '%s'", url); +#if DEBUG + bb_perror_msg("Unable to open '%s'", url); #endif sendHeaders(HTTP_NOT_FOUND); } @@ -1397,10 +1410,9 @@ static int checkPermIP(void) /* This could stand some work */ for (cur = config->ip_a_d; cur; cur = cur->next) { -#ifdef DEBUG - if (config->debugHttpd) { - fprintf(stderr, "checkPermIP: '%s' ? ", config->rmt_ip_str); - fprintf(stderr, "'%u.%u.%u.%u/%u.%u.%u.%u'\n", +#if DEBUG + fprintf(stderr, "checkPermIP: '%s' ? ", config->rmt_ip_str); + fprintf(stderr, "'%u.%u.%u.%u/%u.%u.%u.%u'\n", (unsigned char)(cur->ip >> 24), (unsigned char)(cur->ip >> 16), (unsigned char)(cur->ip >> 8), @@ -1409,7 +1421,6 @@ static int checkPermIP(void) (unsigned char)(cur->mask >> 16), (unsigned char)(cur->mask >> 8), cur->mask & 0xff); - } #endif if((config->rmt_ip & cur->mask) == cur->ip) return cur->allow_deny == 'A'; /* Allow/Deny */ @@ -1451,9 +1462,8 @@ static int checkPerm(const char *path, const char *request) if(prev != NULL && strcmp(prev, p0) != 0) continue; /* find next identical */ p = cur->after_colon; -#ifdef DEBUG - if (config->debugHttpd) - fprintf(stderr,"checkPerm: '%s' ? '%s'\n", p0, request); +#if DEBUG + fprintf(stderr,"checkPerm: '%s' ? '%s'\n", p0, request); #endif { size_t l = strlen(p0); @@ -1641,15 +1651,13 @@ BAD_REQUEST: test = purl; /* end ptr */ /* If URL is directory, adding '/' */ - /* If URL is directory, adding '/' */ if(test[-1] != '/') { if ( is_directory(url + 1, 1, &sb) ) { config->httpd_found.found_moved_temporarily = url; } } -#ifdef DEBUG - if (config->debugHttpd) - fprintf(stderr, "url='%s', args=%s\n", url, config->query); +#if DEBUG + fprintf(stderr, "url='%s', args=%s\n", url, config->query); #endif test = url; @@ -1672,8 +1680,8 @@ BAD_REQUEST: if(count <= 0) break; -#ifdef DEBUG - if (config->debugHttpd) fprintf(stderr, "Header: '%s'\n", buf); +#if DEBUG + fprintf(stderr, "Header: '%s'\n", buf); #endif #ifdef CONFIG_FEATURE_HTTPD_CGI @@ -1737,10 +1745,9 @@ FORBIDDEN: /* protect listing /cgi-bin */ if(config->httpd_found.found_moved_temporarily) { sendHeaders(HTTP_MOVED_TEMPORARILY); -#ifdef DEBUG +#if DEBUG /* clear unforked memory flag */ - if(config->debugHttpd) - config->httpd_found.found_moved_temporarily = NULL; + config->httpd_found.found_moved_temporarily = NULL; #endif break; } @@ -1783,8 +1790,8 @@ FORBIDDEN: /* protect listing /cgi-bin */ #ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY /* from inetd don`t looping: freeing, closing automatic from exit always */ -# ifdef DEBUG - if (config->debugHttpd) fprintf(stderr, "closing socket\n"); +# if DEBUG + fprintf(stderr, "closing socket\n"); # endif # ifdef CONFIG_FEATURE_HTTPD_CGI free(cookie); @@ -1853,18 +1860,16 @@ static int miniHttpd(int server) } config->accepted_socket = s; config->rmt_ip = ntohl(fromAddr.sin_addr.s_addr); -#if defined(CONFIG_FEATURE_HTTPD_CGI) || defined(DEBUG) +#if ENABLE_FEATURE_HTTPD_CGI || DEBUG sprintf(config->rmt_ip_str, "%u.%u.%u.%u", (unsigned char)(config->rmt_ip >> 24), (unsigned char)(config->rmt_ip >> 16), (unsigned char)(config->rmt_ip >> 8), config->rmt_ip & 0xff); config->port = ntohs(fromAddr.sin_port); -#ifdef DEBUG - if (config->debugHttpd) { - bb_error_msg("connection from IP=%s, port %u\n", +#if DEBUG + bb_error_msg("connection from IP=%s, port %u\n", config->rmt_ip_str, config->port); - } #endif #endif /* CONFIG_FEATURE_HTTPD_CGI */ @@ -1872,15 +1877,19 @@ static int miniHttpd(int server) on = 1; setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof (on)); - if (config->debugHttpd || fork() == 0) { +#if !DEBUG + if (fork() == 0) +#endif + { /* This is the spawned thread */ #ifdef CONFIG_FEATURE_HTTPD_RELOAD_CONFIG_SIGHUP /* protect reload config, may be confuse checking */ signal(SIGHUP, SIG_IGN); #endif handleIncoming(); - if(!config->debugHttpd) - exit(0); +#if !DEBUG + exit(0); +#endif } close(s); } @@ -1899,7 +1908,7 @@ static int miniHttpd(void) getpeername (0, (struct sockaddr *)&fromAddrLen, &sinlen); config->rmt_ip = ntohl(fromAddrLen.sin_addr.s_addr); -#if defined(CONFIG_FEATURE_HTTPD_CGI) || defined(DEBUG) +#if ENABLE_FEATURE_HTTPD_CGI sprintf(config->rmt_ip_str, "%u.%u.%u.%u", (unsigned char)(config->rmt_ip >> 24), (unsigned char)(config->rmt_ip >> 16), @@ -1945,7 +1954,7 @@ static const char httpd_opts[]="c:d:h:" #define OPT_INC_3 ENABLE_FEATURE_HTTPD_AUTH_MD5 #ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY - "p:v" + "p:" #endif #ifdef CONFIG_FEATURE_HTTPD_SETUID "u:" @@ -1959,8 +1968,7 @@ static const char httpd_opts[]="c:d:h:" #define OPT_REALM (1<<(2+OPT_INC_1+OPT_INC_2)) /* r */ #define OPT_MD5 (1<<(2+OPT_INC_1+OPT_INC_2+OPT_INC_3)) /* m */ #define OPT_PORT (1<<(3+OPT_INC_1+OPT_INC_2+OPT_INC_3)) /* p */ -#define OPT_DEBUG (1<<(4+OPT_INC_1+OPT_INC_2+OPT_INC_3)) /* v */ -#define OPT_SETUID (1<<(5+OPT_INC_1+OPT_INC_2+OPT_INC_3)) /* u */ +#define OPT_SETUID (1<<(4+OPT_INC_1+OPT_INC_2+OPT_INC_3)) /* u */ #ifdef HTTPD_STANDALONE @@ -1977,9 +1985,6 @@ int httpd_main(int argc, char *argv[]) #endif #ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY const char *s_port; -#endif - -#ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY int server; #endif @@ -2016,10 +2021,10 @@ int httpd_main(int argc, char *argv[]) #endif #ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY , &s_port +#endif #ifdef CONFIG_FEATURE_HTTPD_SETUID , &s_uid #endif -#endif ); if(opt & OPT_DECODE_URL) { @@ -2041,7 +2046,6 @@ int httpd_main(int argc, char *argv[]) #ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY if(opt & OPT_PORT) config->port = bb_xgetlarg(s_port, 10, 1, 0xffff); - config->debugHttpd = opt & OPT_DEBUG; #ifdef CONFIG_FEATURE_HTTPD_SETUID if(opt & OPT_SETUID) { char *e; @@ -2088,11 +2092,11 @@ int httpd_main(int argc, char *argv[]) parse_conf(default_path_httpd_conf, FIRST_PARSE); #endif -#ifndef CONFIG_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY - if (!config->debugHttpd) { - if (daemon(1, 0) < 0) /* don`t change curent directory */ +#if !ENABLE_FEATURE_HTTPD_USAGE_FROM_INETD_ONLY +# if !DEBUG + if (daemon(1, 0) < 0) /* don`t change curent directory */ bb_perror_msg_and_die("daemon"); - } +# endif return miniHttpd(server); #else return miniHttpd(); |