proto_list.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <fcntl.h>
#include <strings.h>
#include <ctype.h>
#include <stdlib.h>
#include "list.h"
#include "proto_list.h"
#define FS " \t\n"
static void
error(const char *msg, int lc)
{
(void) fprintf(stderr, "warning: line %d - %s\n", lc, msg);
}
/*
* int is_num()
*
* returns 1 if the string is entirely numeric - if not it returns 0
*
*/
static int
is_num(const char *str)
{
int i;
int len = strlen(str);
if (len < 1)
return (0);
for (i = 0; i < len; i++)
if (!isdigit(str[i]))
return (0);
return (1);
}
/*
* void check_line()
*
* try and do some sanity/syntax checking against the line just
* read in - print warning messages as errors are encountered.
*
* these are simple checks, but then they catch the simple errors-:)
*
*/
static void
check_line(char *v[], int lc)
{
if ((!v[NAME]) || ((int)strlen(v[NAME]) < 1))
error("bad name", lc);
if ((!v[SRC]) || ((int)strlen(v[SRC])) < 1)
error("bad source/symbolic line", lc);
if ((!v[PERM]) || ((int)strlen(v[PERM]) < 3) || (!is_num(v[PERM])))
error("bad permissions", lc);
if ((!v[OWNR]) || ((int)strlen(v[OWNR]) < 2))
error("bad owner", lc);
if ((!v[GRP]) || ((int)strlen(v[GRP]) < 2))
error("bad group", lc);
if ((!v[INO]) || (!is_num(v[INO])))
error("bad i-node", lc);
if ((!v[LCNT]) || (!is_num(v[LCNT])))
error("bad link-count", lc);
if ((!v[CODE]) || ((*v[CODE] != 'f') && (*v[CODE] != 'c') &&
(*v[CODE] != 'd') && (*v[CODE] != 'b') &&
(*v[CODE] != 'v') && (*v[CODE] != 'e') &&
(*v[CODE] != 's')) || ((int)strlen(v[CODE]) > 1))
error("bad type", lc);
if ((!v[MAJOR]) || ((!is_num(v[MAJOR])) && (*v[MAJOR] != '-')))
error("bad major number", lc);
if ((!v[MINOR]) || ((!is_num(v[MINOR])) && (*v[MINOR] != '-')))
error("bad minor number", lc);
}
static char **
get_line(FILE *fp, char *v[])
{
char *rc;
char *p;
int len;
int cont = 1;
static char buf[BUFSIZ];
static int line_count = 0;
p = buf;
p[0] = '\0';
do {
rc = fgets(p, BUFSIZ, fp);
line_count ++;
/*
* check for continuation marks at the end of the
* line - if it exists then append the next line at the
* end of this one.
*/
if (buf[0] == '#') {
/*
* skip comments.
*/
continue;
} else if ((rc != NULL) && ((len = strlen(p)) > 1) &&
(p[len - 2] == '\\')) {
/*
* check for continuation marks at the end of the
* line - if it exists then append the next line at the
* end of this one.
*/
p += len - 2;
} else
cont = 0;
} while (cont);
if (rc == NULL)
return (NULL);
/*
* breakup the line into the various fields.
*/
v[PROTOS] = index(buf, ';');
if (v[PROTOS])
*v[PROTOS]++ = '\0';
v[0] = strtok(buf, FS);
for (cont = 1; cont < FIELDS - 1; cont++)
v[cont] = strtok(NULL, FS);
check_line(v, line_count);
return (v);
}
static void
parse_line(char **v, elem *e)
{
e->flag = 0;
e->pkgs = NULL;
e->arch = P_ISA;
(void) strcpy(e->name, v[NAME]);
e->perm = strtol(v[PERM], NULL, 8);
(void) strcpy(e->owner, v[OWNR]);
(void) strcpy(e->group, v[GRP]);
e->inode = atoi(v[INO]);
e->ref_cnt = atoi(v[LCNT]);
e->file_type = *v[CODE];
if ((v[MAJOR][0] == '-') && (v[MAJOR][1] == '\0'))
e->major = -1;
else
e->major = atoi(v[MAJOR]);
if ((v[MINOR][0] == '-') && (v[MINOR][1] == '\0'))
e->minor = -1;
else
e->minor = atoi(v[MINOR]);
if ((v[SYM][0] == '-') && (v[SYM][1] == '\0'))
e->symsrc = NULL;
else {
e->symsrc = malloc(strlen(v[SYM]) + 1);
(void) strcpy(e->symsrc, v[SYM]);
if (e->file_type != SYM_LINK_T)
#if defined(sparc)
if (strncmp(e->symsrc, "sun4/", 5) == 0)
e->arch = P_SUN4;
else if (strncmp(e->symsrc, "sun4c/", 6) == 0)
e->arch = P_SUN4c;
else if (strncmp(e->symsrc, "sun4u/", 6) == 0)
e->arch = P_SUN4u;
else if (strncmp(e->symsrc, "sun4d/", 6) == 0)
e->arch = P_SUN4d;
else if (strncmp(e->symsrc, "sun4e/", 6) == 0)
e->arch = P_SUN4e;
else if (strncmp(e->symsrc, "sun4m/", 6) == 0)
e->arch = P_SUN4m;
else if (strncmp(e->symsrc, "sun4v/", 6) == 0)
e->arch = P_SUN4v;
#elif defined(i386)
if (strncmp(e->symsrc, "i86pc/", 6) == 0)
e->arch = P_I86PC;
#elif defined(__ppc)
if (strncmp(e->symsrc, "prep/", 5) == 0)
e->arch = P_PREP;
#else
#error "Unknown instruction set"
#endif
else {
(void) fprintf(stderr,
"warning: Unknown relocation architecture "
"for %s\n", e->symsrc);
}
}
}
int
read_in_protolist(const char *pname, elem_list *list, int verbose)
{
FILE *proto_fp;
char *line_vec[FIELDS];
int count = 0;
static elem *e = NULL;
list->type = PROTOLIST_LIST;
if ((proto_fp = fopen(pname, "r")) == NULL) {
perror(pname);
exit(1);
}
if (verbose)
(void) printf("reading in proto_list(%s)...\n", pname);
count = 0;
while (get_line(proto_fp, line_vec)) {
if (!e)
e = (elem *)calloc(1, sizeof (elem));
parse_line(line_vec, e);
if (!find_elem(list, e, FOLLOW_LINK)) {
add_elem(list, e);
e = NULL;
count++;
}
}
if (verbose)
(void) printf("read in %d lines\n", count);
(void) fclose(proto_fp);
return (count);
}