"Fossies" - the Fresh Open Source Software Archive

Member "scanssh-2.1/scanssh.h" (21 Nov 2004, 4458 Bytes) of package /linux/privat/old/scanssh-2.1.tar.gz:

    1 /*
    2  * Copyright 2000 Niels Provos <provos@citi.umich.edu>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  * 3. The name of the author may not be used to endorse or promote products
   14  *    derived from this software without specific prior written permission.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  */
   27 
   28 #ifndef _SCANSSH_H_
   29 #define _SCANSSH_H_
   30 
   31 #define SSHMAPVERSION   "SSH-1.0-SSH_Version_Mapper\n"
   32 #define SSHUSERAGENT    "ScanSSH/2.0"
   33 #define MAXITER     10
   34 #define LONGWAIT    50
   35 #define SHORTWAIT   30
   36 #define CONNECTWAIT 20
   37 #define SYNWAIT     1
   38 #define SYNRETRIES  7
   39 #define MAXBUF      2048
   40 #define MAXSYNQUEUESZ   4096
   41 #define MAXSCANQUEUESZ  100
   42 #define MAXBURST    256
   43 #define SEEDLEN     4
   44 #define EXPANDEDARGS    32000   /* number of expanded addresses */
   45 #define MAXSLOTS    8   /* number of slots addrs are alloced from */
   46 
   47 #define FLAGS_USERANDOM     0x01
   48 #define FLAGS_SUBTRACTEXCLUDE   0x02
   49 
   50 struct socks_host {
   51     TAILQ_ENTRY(socks_host) next;
   52     struct addr host;
   53     uint16_t port;
   54 };
   55 
   56 TAILQ_HEAD(socksq, socks_host);
   57 
   58 struct argument;
   59 
   60 struct address_slot {
   61     struct argument *slot_base;
   62     uint32_t slot_size;
   63     uint32_t slot_ref;
   64 };
   65 
   66 struct argument;
   67 
   68 struct port_scan {
   69     struct argument *arg;
   70     uint16_t port;
   71     uint8_t count;
   72     uint8_t flags;
   73     
   74     struct event ev;
   75 };
   76 
   77 #define PORT_CHECKED    0x0001
   78 
   79 /* Bloated port structure */
   80 
   81 struct port {
   82     uint16_t port;
   83     struct port_scan *scan;
   84 };
   85 
   86 struct argument {
   87     SPLAY_ENTRY (argument) a_node;
   88     TAILQ_ENTRY (argument) a_next;
   89 
   90     uint16_t a_retry;       /* what a waste of memory */
   91 
   92     struct port *a_ports;       /* list of ports to scan */
   93     uint16_t a_nports;      /* number of ports left to scan */
   94     uint16_t a_hasports;
   95 
   96     uint32_t a_seqnr;
   97 
   98     struct addr addr;
   99     int a_fd;
  100 
  101     uint16_t a_flags;       /* state that scanners can use */
  102     void *a_state;          /* opaque state for scanners */
  103 
  104     struct scanner *a_scanner;  /* which scanner to use */
  105     int a_scanneroff;       /* offset into scan structure */
  106 
  107     struct address_slot *a_slot;
  108 
  109     char *a_res;            /* last posted result */
  110 
  111     struct event ev;
  112 };
  113 
  114 TAILQ_HEAD (queue_list, argument);
  115 
  116 struct scanner {
  117     char *name;
  118     char *description;
  119     void (*init)(struct bufferevent *, struct argument *);
  120     void (*finalize)(struct bufferevent *, struct argument *);
  121     evbuffercb readcb;
  122     evbuffercb writecb;
  123     everrorcb  errorcb;
  124 };
  125 
  126 int synprobe_send(struct addr *, struct addr *, uint16_t, uint32_t *);
  127 
  128 ssize_t atomicio(ssize_t (*)(), int, void *, size_t);
  129 int ipv4toa(char *, size_t, void *);
  130 void waitforcommands(int, int);
  131 
  132 void argument_free(struct argument *);
  133 void postres(struct argument *, const char *fmt, ...);
  134 void printres(struct argument *, uint16_t, char *);
  135 
  136 int probe_haswork(void);
  137 
  138 int ports_parse(char *, struct port **, int *);
  139 int ports_setup(struct argument *, struct port *, int);
  140 int ports_remove(struct argument *, uint16_t);
  141 struct port *ports_find(struct argument *, uint16_t);
  142 int ports_isalive(struct argument *);
  143 void ports_markchecked(struct argument *, struct port *);
  144 
  145 void scanhost_ready(struct argument *);
  146 
  147 void scanhost_return(struct bufferevent *bev, struct argument *, int success);
  148 void scanhost_fromlist(void);
  149 
  150 int scanner_parse(char *);
  151 struct scanner *scanner_find(char *);
  152 void scanner_print(char *);
  153 
  154 void http_makerequest(struct bufferevent *, struct argument *, const char *,
  155     int);
  156 
  157 #endif /* _SCANSSH_H_ */