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34 #include "krb5_locl.h"
37 RCSID("$Id: acl.c,v 1.3 2002/04/18 16:16:24 joda Exp $");
40 enum { acl_string, acl_fnmatch, acl_retval } type;
45 struct acl_field *next, **last;
49 acl_free_list(struct acl_field *acl)
51 struct acl_field *next;
59 static krb5_error_code
60 acl_parse_format(krb5_context context,
61 struct acl_field **acl_ret,
66 struct acl_field *acl = NULL, *tmp;
68 for(p = format; *p != '\0'; p++) {
69 tmp = malloc(sizeof(*tmp));
71 krb5_set_error_string(context, "malloc: out of memory");
76 tmp->type = acl_string;
77 tmp->u.cstr = va_arg(ap, const char*);
78 } else if(*p == 'f') {
79 tmp->type = acl_fnmatch;
80 tmp->u.cstr = va_arg(ap, const char*);
81 } else if(*p == 'r') {
82 tmp->type = acl_retval;
83 tmp->u.retv = va_arg(ap, char **);
90 acl->last = &tmp->next;
97 acl_match_field(krb5_context context,
99 struct acl_field *field)
101 if(field->type == acl_string) {
102 return !strcmp(string, field->u.cstr);
103 } else if(field->type == acl_fnmatch) {
104 return !fnmatch(string, field->u.cstr, 0);
105 } else if(field->type == acl_retval) {
106 *field->u.retv = strdup(string);
113 acl_match_acl(krb5_context context,
114 struct acl_field *acl,
118 for(;strsep_copy(&string, " \t", buf, sizeof(buf)) != -1;
121 continue; /* skip ws */
122 if(!acl_match_field(context, buf, acl)) {
131 krb5_acl_match_string(krb5_context context,
138 struct acl_field *acl;
141 va_start(ap, format);
142 ret = acl_parse_format(context, &acl, format, ap);
147 found = acl_match_acl(context, acl, string);
152 krb5_set_error_string(context, "ACL did not match");
158 krb5_acl_match_file(krb5_context context,
164 struct acl_field *acl;
170 f = fopen(file, "r");
172 int save_errno = errno;
174 krb5_set_error_string(context, "open(%s): %s", file,
175 strerror(save_errno));
179 va_start(ap, format);
180 ret = acl_parse_format(context, &acl, format, ap);
188 while(fgets(buf, sizeof(buf), f)) {
191 if(acl_match_acl(context, acl, buf)) {
202 krb5_set_error_string(context, "ACL did not match");