/* * httpd.h: header for simple (ha! not anymore) http daemon */ /* Define one of these according to your system. */ #if defined(SUNOS4) #define BSD #undef NO_KILLPG #undef NO_SETSID char *crypt(char *pw, char *salt); #elif defined(SOLARIS2) #undef BSD #define NO_KILLPG #undef NO_SETSID #define bzero(a,b) memset(a,0,b) #define getwd(d) getcwd(d,MAX_STRING_LEN) #elif defined(IRIX) #undef BSD #undef NO_KILLPG #undef NO_SETSID #elif defined(HPUX) #undef BSD #define NO_KILLPG #undef NO_SETSID #ifndef _HPUX_SOURCE #define _HPUX_SOURCE #endif #define getwd(d) getcwd(d,MAX_STRING_LEN) #elif defined(AIX) #undef BSD #undef NO_KILLPG #undef NO_SETSID #elif defined(ULTRIX) #define BSD #undef NO_KILLPG #undef NO_SETSID #define ULTRIX_BRAIN_DEATH #define NEED_STRDUP #elif defined(OSF1) #define BSD #undef NO_KILLPG #undef NO_SETSID #elif defined(SEQUENT) #define BSD #undef NO_KILLPG #define NO_SETSID #define NEED_STRDUP #define tolower(c) (isupper(c) ? tolower(c) : c) #elif defined(NEXT) #define BSD #undef NO_KILLPG #define NO_SETSID #define NEED_STRDUP #undef _POSIX_SOURCE #ifndef S_ISDIR #define S_ISDIR(m) (((m)&(S_IFMT)) == (S_IFDIR)) #endif #ifndef S_ISREG #define S_ISREG(m) (((m)&(S_IFMT)) == (S_IFREG)) #endif #ifndef S_IXUSR #define S_IXUSR 00100 #endif #ifndef S_IXGRP #define S_IXGRP 00010 #endif #ifndef S_IXOTH #define S_IXOTH 00001 #endif #ifndef S_IRUSR #define S_IRUSR S_IREAD #endif #ifndef S_IWUSR #define S_IWUSR S_IWRITE #endif #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 #define waitpid(a,b,c) wait4(a,b,c,NULL) typedef int pid_t; #elif defined(LINUX) #undef BSD #undef NO_KILLPG #undef NO_SETSID #undef NEED_STRDUP #elif defined(SCO) #undef BSD #undef NO_KILLPG #undef NO_SETSID #define NEED_INITGROUPS #elif defined(CONVEXOS) #define BSD #define NEED_STRDUP #define getwd(d) getcwd(d,MAX_STRING_LEN) #elif defined(AUX) #define BSD #undef NO_KILLPG #undef NO_SETSID #define NEED_STRDUP #define _POSIX_SOURCE #elif defined(SVR4) #define NO_KILLPG #undef NO_SETSID #undef NEED_STRDUP #define NEED_STRCASECMP #define NEED_STRNCASECMP #define bzero(a,b) memset(a,0,b) #elif defined(__NetBSD__) #define BSD #undef NO_KILLPG #undef NO_SETSID #elif defined(UTS21) #undef BSD #undef NO_KILLPG #define NO_SETSID #define NEED_WAITPID #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 #define strftime(buf,bufsize,fmt,tm) ascftime(buf,fmt,tm) #include #elif defined(APOLLO) #define BSD #undef NO_KILLPG #undef NO_SETSID /* Unknown system - Edit these to match */ #else /* BSD is whether your system uses BSD calls or System V calls. */ #define BSD /* NO_KILLPG is set on systems that don't have killpg */ #undef NO_KILLPG /* NO_SETSID is set on systems that don't have setsid */ #undef NO_SETSID /* NEED_STRDUP is set on stupid systems that don't have strdup. */ #undef NEED_STRDUP #endif /* * The particular directory style your system supports. If you have dirent.h * in /usr/include (POSIX) or /usr/include/sys (SYSV), #include * that file and define DIR_TYPE to be dirent. Otherwise, if you have * /usr/include/sys/dir.h, define DIR_TYPE to be direct and include that * file. If you have neither, I'm confused. */ #include #if !defined(NEXT) && !defined(CONVEXOS) #include #define DIR_TYPE dirent #else #include #define DIR_TYPE direct #endif /* ----------------------------- config dir ------------------------------ */ /* Define this to be the default server home dir. Anything later in this * file with a relative pathname will have this added. */ #define HTTPD_ROOT "/usr/local/etc/httpd" /* Root of server */ #define DOCUMENT_LOCATION "/usr/local/etc/httpd/htdocs" /* Max. number of aliases */ #define MAX_ALIASES 20 /* Max. number of security defines */ #define MAX_SECURITY 50 /* Default administrator's address */ #define DEFAULT_ADMIN "[no address given]" /* * --------- You shouldn't have to edit anything below this line ---------- * * Any modifications to any defaults not defined above should be done in the * respective config. file. * */ /* -------------- Port number for server running standalone --------------- */ #define DEFAULT_PORT 80 /* --------- Default user name and group name running standalone ---------- */ /* --- These may be specified as numbers by placing a # before a number --- */ #define DEFAULT_USER "#-1" #define DEFAULT_GROUP "#-1" /* The name of the log files */ #define DEFAULT_XFERLOG "logs/access_log" #define DEFAULT_ERRORLOG "logs/error_log" #define DEFAULT_PIDLOG "logs/httpd.pid" /* Define this to be what your HTML directory content files are called */ #define DEFAULT_INDEX "index.html" /* Define this to 1 if you want fancy indexing, 0 otherwise */ #define DEFAULT_INDEXING 0 /* Define this to be what type you'd like returned for files with unknown */ /* suffixes */ #define DEFAULT_TYPE "text/html" /* Define this to be what your per-directory security files are called */ #define DEFAULT_ACCESS_FNAME ".htaccess" /* The name of the server config file */ #define SERVER_CONFIG_FILE "conf/httpd.conf" /* The name of the document config file */ #define RESOURCE_CONFIG_FILE "conf/srm.conf" /* The name of the MIME types file */ #define TYPES_CONFIG_FILE "conf/mime.types" /* The name of the access file */ #define ACCESS_CONFIG_FILE "conf/access.conf" /* Whether we should enable rfc931 identity checking */ #define DEFAULT_RFC931 0 /* The default directory in user's home dir */ #define DEFAULT_USER_DIR "public_html" /* The default path for CGI scripts if none is currently set */ #define DEFAULT_PATH "/bin:/usr/bin:/usr/ucb:/usr/bsd:/usr/local/bin" /* The path to the Bourne shell, for parsed docs */ #define SHELL_PATH "/bin/sh" /* The default string lengths */ #define MAX_STRING_LEN 256 #define HUGE_STRING_LEN 8192 /* The timeout for waiting for messages */ #define DEFAULT_TIMEOUT 1200 /* The size of the server's internal read-write buffers */ #define IOBUFSIZE 8192 /* The number of header lines we will accept from a client */ #define MAX_HEADERS 200 /* Hi Roy. */ #define HTTP_TIME_FORMAT "%A, %d-%b-%y %T GMT" /* ------------------------------ error types ------------------------------ */ #define SERVER_VERSION "NCSA/1.3" #define SERVER_PROTOCOL "HTTP/1.0" #define SERVER_SUPPORT "httpd@ncsa.uiuc.edu" #define DOCUMENT_FOLLOWS 200 #define REDIRECT 302 #define USE_LOCAL_COPY 304 #define BAD_REQUEST 400 #define AUTH_REQUIRED 401 #define FORBIDDEN 403 #define NOT_FOUND 404 #define SERVER_ERROR 500 #define NOT_IMPLEMENTED 501 #define NO_MEMORY 6992 #define METHODS 4 #define M_GET 0 #define M_PUT 1 #define M_POST 2 #define M_DELETE 3 /* Object types */ #define REDIRECT_URL -1 #define STD_DOCUMENT 0 #define SCRIPT_NCSA 1 #define SCRIPT_CGI 2 #define OPT_NONE 0 #define OPT_INDEXES 1 #define OPT_INCLUDES 2 #define OPT_SYM_LINKS 4 #define OPT_EXECCGI 8 #define OPT_UNSET 16 #define OPT_INCNOEXEC 32 #define OPT_SYM_OWNER 64 #define OPT_ALL (OPT_INDEXES|OPT_INCLUDES|OPT_SYM_LINKS|OPT_EXECCGI) #define OR_NONE 0 #define OR_LIMIT 1 #define OR_OPTIONS 2 #define OR_FILEINFO 4 #define OR_AUTHCFG 8 #define OR_INDEXES 16 #define OR_ALL (OR_LIMIT|OR_OPTIONS|OR_FILEINFO|OR_AUTHCFG|OR_INDEXES) #define CGI_MAGIC_TYPE "application/x-httpd-cgi" #define INCLUDES_MAGIC_TYPE "text/x-server-parsed-html" /* For directory indexing */ #define BY_PATH 0 #define BY_TYPE 1 #define BY_ENCODING 2 #define FANCY_INDEXING 1 #define ICONS_ARE_LINKS 2 #define SCAN_HTML_TITLES 4 #define SUPPRESS_LAST_MOD 8 #define SUPPRESS_SIZE 16 #define SUPPRESS_DESC 32 #include #include #include #include #include #include #include #include #include #include #include /* for inet_ntoa */ #include /* for ctime */ #include #include #include #include #include #include #ifndef NEXT #include #endif #ifdef ultrix #define ULTRIX_BRAIN_DEATH #endif /* Just in case your linefeed isn't the one the other end is expecting. */ #define LF 10 #define CR 13 /* For access control */ #define DENY_THEN_ALLOW 0 #define ALLOW_THEN_DENY 1 #define MUTUAL_FAILURE 2 /* Struct shared by access and auth */ typedef struct { char *d; char opts; char override; int order[METHODS]; int num_allow[METHODS]; char *allow[METHODS][MAX_SECURITY]; int num_auth[METHODS]; char *auth[METHODS][MAX_SECURITY]; char *auth_type; char *auth_name; char *auth_pwfile; char *auth_grpfile; int num_deny[METHODS]; char *deny[METHODS][MAX_SECURITY]; } security_data; /* Global, global, who's got the globals? */ /* Server config */ extern int standalone; extern int port; extern uid_t user_id; extern gid_t group_id; extern char server_root[MAX_STRING_LEN]; extern char error_fname[MAX_STRING_LEN]; extern char xfer_fname[MAX_STRING_LEN]; extern char pid_fname[MAX_STRING_LEN]; extern char server_admin[MAX_STRING_LEN]; extern char *server_hostname; extern char server_confname[MAX_STRING_LEN]; extern char srm_confname[MAX_STRING_LEN]; extern char access_confname[MAX_STRING_LEN]; extern char types_confname[MAX_STRING_LEN]; extern int timeout; extern int do_rfc931; #ifdef PEM_AUTH extern char auth_pem_decrypt[MAX_STRING_LEN]; extern char auth_pem_encrypt[MAX_STRING_LEN]; extern char auth_pem_entity[MAX_STRING_LEN]; extern char auth_pgp_decrypt[MAX_STRING_LEN]; extern char auth_pgp_encrypt[MAX_STRING_LEN]; extern char auth_pgp_entity[MAX_STRING_LEN]; #endif /* Document config */ extern char user_dir[MAX_STRING_LEN]; extern char index_name[MAX_STRING_LEN]; extern char access_name[MAX_STRING_LEN]; extern char document_root[MAX_STRING_LEN]; extern char default_type[MAX_STRING_LEN]; extern char default_icon[MAX_STRING_LEN]; extern char blank_icon[MAX_STRING_LEN]; extern int fancy_indexing; extern char readme_fname[MAX_STRING_LEN]; /* Security config */ extern int num_sec; extern security_data sec[MAX_SECURITY]; /* Auth config */ extern char *auth_type; extern char *auth_name; extern char *auth_pwfile; extern char *auth_grpfile; extern char user[MAX_STRING_LEN]; #ifdef PEM_AUTH extern int doing_pem; #endif /* Request information */ extern int assbackwards; extern int header_only; extern char *remote_host; extern char *remote_ip; extern char *remote_name; extern char *remote_logname; extern int allow; extern char allow_options; extern int num_includes; extern int dirs_in_alias; /* MIME */ extern char auth_line[MAX_STRING_LEN]; extern int content_length; extern char content_type[MAX_STRING_LEN]; extern char content_encoding[MAX_STRING_LEN]; extern char location[MAX_STRING_LEN]; extern char **in_headers_env; /* http_log */ extern FILE *error_log; extern int bytes_sent; extern int status; /* Function prototypes. */ /* http_config */ void read_config(); void parse_htaccess(char *dir, char override, FILE *out); int get_pw(char *user, char *pw, FILE *errors); int in_group(char *user, char *group); int init_group(char *grpfile, FILE *out); void kill_group(); /* http_alias */ void reset_aliases(); void dump_aliases(); void add_alias(char *f, char *r, int is_script); void add_redirect(char *f, char *url); int translate_name(char *name,FILE *fd); void unmunge_name(char *name); /* http_request */ void process_request(int in, FILE *out); void send_fd(FILE *f, FILE *fd, void (*callback)()); void send_fd_timed_out(); int find_script(char *method, char *name, char *args, int in, FILE *out); /* http_get */ void send_file(char *file, FILE *fd, struct stat *fi, char *path_args, char *args); void process_include(FILE *f, FILE *fd, char *incstring, char *args); void send_node(char *name, char *args, int in, FILE *fd); void process_get(int in, FILE *out, char *m, char *url, char *args); /* http_post */ void post_node(char *name, char *args, int in, FILE *out); /* http_put */ void put_node(char *name, char *args, int in, FILE *out); /* http_delete */ void delete_node(char *name, char *args, int in, FILE *out); /* http_script */ void exec_cgi_script(char *method, char *path, char *args, int in, FILE *out); int cgi_stub(char *method, char *path, char *path_args, char *args, char **env, struct stat *finfo, int in, FILE *out); void exec_get_NCSA(char *path, char *args, int in, FILE *fd); void exec_post_NCSA(char *path, char *args, int in, FILE *out); char **add_common_vars(char **env, FILE *out); void get_path_info(char *path, char *path_args, FILE *out, struct stat *finfo); /* http_dir */ void index_directory(char *name, FILE *fd); void add_icon(int type, char *icon, char *to, char *path, FILE *out); void add_alt(int type, char *alt, char *to, char *path, FILE *out); void add_desc(int type, char *desc, char *to, char *path, FILE *out); void add_ignore(char *ext, char *path, FILE *out); void add_header(char *name, char *path, FILE *out); void add_readme(char *name, char *path, FILE *out); void add_opts(char *optstr, char *path, FILE *out); void add_opts_int(int opts, char *path, FILE *out); void send_size(size_t size, FILE *fd); void init_indexing(); void kill_indexing(); /* http_log */ void record_request(char *cmd_line); void log_error(char *err); void log_error_noclose(char *err); void log_reason(char *reason, char *file); void die(int type, char *err_string, FILE *fd); void open_logs(); void close_logs(); void begin_http_header(FILE *fd, char *msg); void error_log2stderr(); void log_transaction(); /* http_mime */ void get_mime_headers(int fd, FILE *out); void init_header_vars(); void send_http_header(FILE *fd); void set_content_type(char *fn); void set_last_modified(time_t t, FILE *out); void probe_content_type(char *fn); int scan_script_header(FILE *f, FILE *fd); void add_type(char *fn, char *t,FILE *out); void add_encoding(char *fn, char *t,FILE *out); void set_content_length(int l); void dump_types(); void init_mime(); void kill_mime(); int is_content_type(char *type); void dump_default_header(FILE *fd); /* http_access */ void evaluate_access(char *path, struct stat *finfo,int m, int *allow, char *op, FILE *out); void kill_security(); /* http_auth */ void check_auth(security_data *s, int m, FILE *out); #ifdef PEM_AUTH int decrypt_request(int sfd, char *req, FILE **out); void htexit(int status, FILE *out); #endif /* http_include */ void send_parsed_file(char *file, FILE *fd, char *path_args, char *args, int noexec); /* util */ void chdir_file(char *file); void http2cgi(char *w); int later_than(struct tm *tms, char *i); int strcmp_match(char *str, char *exp); int is_matchexp(char *str); void strsubfirst(int start,char *dest, char *src); void make_full_path(char *src1,char *src2,char *dst); int is_directory(char *name); void getparents(char *name); void no2slash(char *name); uid_t uname2id(char *name); gid_t gname2id(char *name); int getline(char *s, int n, int f, unsigned int timeout); int cfg_getline(char *s, int n, FILE *f); void getword(char *word, char *line, char stop); void cfg_getword(char *word, char *line); void get_remote_host(int fd); char *get_time(); char *gm_timestr_822(time_t t); char *ht_time(time_t t, char *fmt, int gmt); struct tm *get_gmtoff(long *tz); void make_dirstr(char *s, int n, char *d); int count_dirs(char *path); void strcpy_dir(char *d, char *s); void unescape_url(char *url); void escape_url(char *url); void escape_shell_cmd(char *cmd); void plustospace(char *str); void spacetoplus(char *str); void str_tolower(char *str); void uudecode(char *s,unsigned char *d,int dl); #ifdef NEED_STRDUP char *strdup (char *str); #endif #ifdef NEED_STRCASECMP int strcasecmp(const char *s1, const char *s2); #endif #ifdef NEED_STRNCASECMP int strncasecmp(const char *s1, const char *s2, int n); #endif char *make_env_str(char *n, char *v, FILE *out); char **new_env(char **env, int to_add, int *pos); void free_env(char **env); int ind(char *s, char c); int rind(char *s, char c); void construct_url(char *d, char *s); void get_local_host(); int get_portnum(int sd,FILE *out); int can_exec(struct stat *finfo); #ifdef NEED_INITGROUPS int initgroups(const char *name, gid_t basegid); #endif char *get_remote_logname(FILE *fd); char *rfc931(struct sockaddr_in *rmt_sin,struct sockaddr_in *our_sin);