diff options
Diffstat (limited to 'eBones/lib/libkadm/kadm_stream.c')
| -rw-r--r-- | eBones/lib/libkadm/kadm_stream.c | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/eBones/lib/libkadm/kadm_stream.c b/eBones/lib/libkadm/kadm_stream.c deleted file mode 100644 index 8bec7d7..0000000 --- a/eBones/lib/libkadm/kadm_stream.c +++ /dev/null @@ -1,286 +0,0 @@ -/* - * Copyright 1988 by the Massachusetts Institute of Technology. - * - * For copying and distribution information, please see the file - * Copyright.MIT. - * - * Stream conversion functions for Kerberos administration server - */ - -#if 0 -#ifndef lint -static char rcsid_kadm_stream_c[] = -"Header: /afs/athena.mit.edu/astaff/project/kerberos/src/lib/kadm/RCS/kadm_stream.c,v 4.2 89/09/26 09:20:48 jtkohl Exp "; -static const char rcsid[] = - "$Id$"; -#endif lint -#endif - -/* - kadm_stream.c - this holds the stream support routines for the kerberos administration server - - vals_to_stream: converts a vals struct to a stream for transmission - internals build_field_header, vts_[string, char, long, short] - stream_to_vals: converts a stream to a vals struct - internals check_field_header, stv_[string, char, long, short] - error: prints out a kadm error message, returns - fatal: prints out a kadm fatal error message, exits -*/ - -#include <string.h> -#include <kadm.h> - -#define min(a,b) (((a) < (b)) ? (a) : (b)) - -/* -vals_to_stream - recieves : kadm_vals *, u_char * - returns : a realloced and filled in u_char * - -this function creates a byte-stream representation of the kadm_vals structure -*/ - -int -vals_to_stream(dt_in, dt_out) -Kadm_vals *dt_in; -u_char **dt_out; -{ - int vsloop, stsize; /* loop counter, stream size */ - - stsize = build_field_header(dt_in->fields, dt_out); - for (vsloop=31; vsloop>=0; vsloop--) - if (IS_FIELD(vsloop,dt_in->fields)) { - switch (vsloop) { - case KADM_NAME: - stsize+=vts_string(dt_in->name, dt_out, stsize); - break; - case KADM_INST: - stsize+=vts_string(dt_in->instance, dt_out, stsize); - break; - case KADM_EXPDATE: - stsize+=vts_long(dt_in->exp_date, dt_out, stsize); - break; - case KADM_ATTR: - stsize+=vts_short(dt_in->attributes, dt_out, stsize); - break; - case KADM_MAXLIFE: - stsize+=vts_char(dt_in->max_life, dt_out, stsize); - break; - case KADM_DESKEY: - stsize+=vts_long(dt_in->key_high, dt_out, stsize); - stsize+=vts_long(dt_in->key_low, dt_out, stsize); - break; - default: - break; - } -} - return(stsize); -} - -int -build_field_header(cont, st) -u_char *cont; /* container for fields data */ -u_char **st; /* stream */ -{ - *st = (u_char *) malloc (4); - bcopy((char *) cont, (char *) *st, 4); - return 4; /* return pointer to current stream location */ -} - -int -vts_string(dat, st, loc) -char *dat; /* a string to put on the stream */ -u_char **st; /* base pointer to the stream */ -int loc; /* offset into the stream for current data */ -{ - *st = (u_char *) realloc ((char *)*st, (unsigned) (loc + strlen(dat) + 1)); - bcopy(dat, (char *)(*st + loc), strlen(dat)+1); - return strlen(dat)+1; -} - -int -vts_short(dat, st, loc) -u_short dat; /* the attributes field */ -u_char **st; /* a base pointer to the stream */ -int loc; /* offset into the stream for current data */ -{ - u_short temp; /* to hold the net order short */ - - temp = htons(dat); /* convert to network order */ - *st = (u_char *) realloc ((char *)*st, (unsigned)(loc + sizeof(u_short))); - bcopy((char *) &temp, (char *)(*st + loc), sizeof(u_short)); - return sizeof(u_short); -} - -int -vts_long(dat, st, loc) -u_long dat; /* the attributes field */ -u_char **st; /* a base pointer to the stream */ -int loc; /* offset into the stream for current data */ -{ - u_long temp; /* to hold the net order short */ - - temp = htonl(dat); /* convert to network order */ - *st = (u_char *) realloc ((char *)*st, (unsigned)(loc + sizeof(u_long))); - bcopy((char *) &temp, (char *)(*st + loc), sizeof(u_long)); - return sizeof(u_long); -} - -int -vts_char(dat, st, loc) -u_char dat; /* the attributes field */ -u_char **st; /* a base pointer to the stream */ -int loc; /* offset into the stream for current data */ -{ - *st = (u_char *) realloc ((char *)*st, (unsigned)(loc + sizeof(u_char))); - (*st)[loc] = (u_char) dat; - return 1; -} - -/* -stream_to_vals - recieves : u_char *, kadm_vals * - returns : a kadm_vals filled in according to u_char * - -this decodes a byte stream represntation of a vals struct into kadm_vals -*/ -int -stream_to_vals(dt_in, dt_out, maxlen) -u_char *dt_in; -Kadm_vals *dt_out; -int maxlen; /* max length to use */ -{ - register int vsloop, stsize; /* loop counter, stream size */ - register int status; - - bzero((char *) dt_out, sizeof(*dt_out)); - - stsize = check_field_header(dt_in, dt_out->fields, maxlen); - if (stsize < 0) - return(-1); - for (vsloop=31; vsloop>=0; vsloop--) - if (IS_FIELD(vsloop,dt_out->fields)) - switch (vsloop) { - case KADM_NAME: - if ((status = stv_string(dt_in, dt_out->name, stsize, - sizeof(dt_out->name), maxlen)) < 0) - return(-1); - stsize += status; - break; - case KADM_INST: - if ((status = stv_string(dt_in, dt_out->instance, stsize, - sizeof(dt_out->instance), maxlen)) < 0) - return(-1); - stsize += status; - break; - case KADM_EXPDATE: - if ((status = stv_long(dt_in, &dt_out->exp_date, stsize, - maxlen)) < 0) - return(-1); - stsize += status; - break; - case KADM_ATTR: - if ((status = stv_short(dt_in, &dt_out->attributes, stsize, - maxlen)) < 0) - return(-1); - stsize += status; - break; - case KADM_MAXLIFE: - if ((status = stv_char(dt_in, &dt_out->max_life, stsize, - maxlen)) < 0) - return(-1); - stsize += status; - break; - case KADM_DESKEY: - if ((status = stv_long(dt_in, &dt_out->key_high, stsize, - maxlen)) < 0) - return(-1); - stsize += status; - if ((status = stv_long(dt_in, &dt_out->key_low, stsize, - maxlen)) < 0) - return(-1); - stsize += status; - break; - default: - break; - } - return stsize; -} - -int -check_field_header(st, cont, maxlen) -u_char *st; /* stream */ -u_char *cont; /* container for fields data */ -int maxlen; -{ - if (4 > maxlen) - return(-1); - bcopy((char *) st, (char *) cont, 4); - return 4; /* return pointer to current stream location */ -} - -int -stv_string(st, dat, loc, stlen, maxlen) -register u_char *st; /* base pointer to the stream */ -char *dat; /* a string to read from the stream */ -register int loc; /* offset into the stream for current data */ -int stlen; /* max length of string to copy in */ -int maxlen; /* max length of input stream */ -{ - int maxcount; /* max count of chars to copy */ - - maxcount = min(maxlen - loc, stlen); - - (void) strncpy(dat, (char *)st + loc, maxcount); - - if (dat[maxcount-1]) /* not null-term --> not enuf room */ - return(-1); - return strlen(dat)+1; -} - -int -stv_short(st, dat, loc, maxlen) -u_char *st; /* a base pointer to the stream */ -u_short *dat; /* the attributes field */ -int loc; /* offset into the stream for current data */ -int maxlen; -{ - u_short temp; /* to hold the net order short */ - - if (loc + sizeof(u_short) > maxlen) - return(-1); - bcopy((char *)((u_long)st+(u_long)loc), (char *) &temp, sizeof(u_short)); - *dat = ntohs(temp); /* convert to network order */ - return sizeof(u_short); -} - -int -stv_long(st, dat, loc, maxlen) -u_char *st; /* a base pointer to the stream */ -u_long *dat; /* the attributes field */ -int loc; /* offset into the stream for current data */ -int maxlen; /* maximum length of st */ -{ - u_long temp; /* to hold the net order short */ - - if (loc + sizeof(u_long) > maxlen) - return(-1); - bcopy((char *)((u_long)st+(u_long)loc), (char *) &temp, sizeof(u_long)); - *dat = ntohl(temp); /* convert to network order */ - return sizeof(u_long); -} - -int -stv_char(st, dat, loc, maxlen) -u_char *st; /* a base pointer to the stream */ -u_char *dat; /* the attributes field */ -int loc; /* offset into the stream for current data */ -int maxlen; -{ - if (loc + 1 > maxlen) - return(-1); - *dat = *(st + loc); - return 1; -} - |
