diff options
Diffstat (limited to 'security/selinux')
-rw-r--r-- | security/selinux/ss/policydb.c | 131 |
1 files changed, 63 insertions, 68 deletions
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 891c2d0..84f8cc7 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -11,7 +11,7 @@ * * Updated: Frank Mayer <mayerf@tresys.com> and Karl MacMillan <kmacmillan@tresys.com> * - * Added conditional policy language extensions + * Added conditional policy language extensions * * Updated: Hewlett-Packard <paul.moore@hp.com> * @@ -21,7 +21,7 @@ * Copyright (C) 2004-2005 Trusted Computer Solutions, Inc. * Copyright (C) 2003 - 2004 Tresys Technology, LLC * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by + * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2. */ @@ -51,7 +51,7 @@ static char *symtab_name[SYM_NUM] = { }; #endif -int selinux_mls_enabled = 0; +int selinux_mls_enabled; static unsigned int symtab_sizes[SYM_NUM] = { 2, @@ -73,39 +73,39 @@ struct policydb_compat_info { /* These need to be updated if SYM_NUM or OCON_NUM changes */ static struct policydb_compat_info policydb_compat[] = { { - .version = POLICYDB_VERSION_BASE, - .sym_num = SYM_NUM - 3, - .ocon_num = OCON_NUM - 1, + .version = POLICYDB_VERSION_BASE, + .sym_num = SYM_NUM - 3, + .ocon_num = OCON_NUM - 1, }, { - .version = POLICYDB_VERSION_BOOL, - .sym_num = SYM_NUM - 2, - .ocon_num = OCON_NUM - 1, + .version = POLICYDB_VERSION_BOOL, + .sym_num = SYM_NUM - 2, + .ocon_num = OCON_NUM - 1, }, { - .version = POLICYDB_VERSION_IPV6, - .sym_num = SYM_NUM - 2, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_IPV6, + .sym_num = SYM_NUM - 2, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_NLCLASS, - .sym_num = SYM_NUM - 2, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_NLCLASS, + .sym_num = SYM_NUM - 2, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_MLS, - .sym_num = SYM_NUM, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_MLS, + .sym_num = SYM_NUM, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_AVTAB, - .sym_num = SYM_NUM, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_AVTAB, + .sym_num = SYM_NUM, + .ocon_num = OCON_NUM, }, { - .version = POLICYDB_VERSION_RANGETRANS, - .sym_num = SYM_NUM, - .ocon_num = OCON_NUM, + .version = POLICYDB_VERSION_RANGETRANS, + .sym_num = SYM_NUM, + .ocon_num = OCON_NUM, }, { .version = POLICYDB_VERSION_POLCAP, @@ -152,7 +152,7 @@ static int roles_init(struct policydb *p) rc = -EINVAL; goto out_free_role; } - key = kmalloc(strlen(OBJECT_R)+1,GFP_KERNEL); + key = kmalloc(strlen(OBJECT_R)+1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto out_free_role; @@ -424,7 +424,7 @@ static int policydb_index_others(struct policydb *p) p->role_val_to_struct = kmalloc(p->p_roles.nprim * sizeof(*(p->role_val_to_struct)), - GFP_KERNEL); + GFP_KERNEL); if (!p->role_val_to_struct) { rc = -ENOMEM; goto out; @@ -432,7 +432,7 @@ static int policydb_index_others(struct policydb *p) p->user_val_to_struct = kmalloc(p->p_users.nprim * sizeof(*(p->user_val_to_struct)), - GFP_KERNEL); + GFP_KERNEL); if (!p->user_val_to_struct) { rc = -ENOMEM; goto out; @@ -634,7 +634,7 @@ void policydb_destroy(struct policydb *p) while (c) { ctmp = c; c = c->next; - ocontext_destroy(ctmp,i); + ocontext_destroy(ctmp, i); } p->ocontexts[i] = NULL; } @@ -647,7 +647,7 @@ void policydb_destroy(struct policydb *p) while (c) { ctmp = c; c = c->next; - ocontext_destroy(ctmp,OCON_FSUSE); + ocontext_destroy(ctmp, OCON_FSUSE); } gtmp = g; g = g->next; @@ -664,14 +664,14 @@ void policydb_destroy(struct policydb *p) } kfree(ltr); - for (ra = p->role_allow; ra; ra = ra -> next) { + for (ra = p->role_allow; ra; ra = ra->next) { cond_resched(); kfree(lra); lra = ra; } kfree(lra); - for (rt = p->range_tr; rt; rt = rt -> next) { + for (rt = p->range_tr; rt; rt = rt->next) { cond_resched(); if (lrt) { ebitmap_destroy(&lrt->target_range.level[0].cat); @@ -924,7 +924,7 @@ static int perm_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); perdatum->value = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -971,7 +971,7 @@ static int common_read(struct policydb *p, struct hashtab *h, void *fp) comdatum->permissions.nprim = le32_to_cpu(buf[2]); nel = le32_to_cpu(buf[3]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -998,7 +998,7 @@ bad: } static int read_cons_helper(struct constraint_node **nodep, int ncons, - int allowxtarget, void *fp) + int allowxtarget, void *fp) { struct constraint_node *c, *lc; struct constraint_expr *e, *le; @@ -1012,11 +1012,10 @@ static int read_cons_helper(struct constraint_node **nodep, int ncons, if (!c) return -ENOMEM; - if (lc) { + if (lc) lc->next = c; - } else { + else *nodep = c; - } rc = next_entry(buf, fp, (sizeof(u32) * 2)); if (rc < 0) @@ -1030,11 +1029,10 @@ static int read_cons_helper(struct constraint_node **nodep, int ncons, if (!e) return -ENOMEM; - if (le) { + if (le) le->next = e; - } else { + else c->expr = e; - } rc = next_entry(buf, fp, (sizeof(u32) * 3)); if (rc < 0) @@ -1111,7 +1109,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp) ncons = le32_to_cpu(buf[5]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1122,7 +1120,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp) key[len] = 0; if (len2) { - cladatum->comkey = kmalloc(len2 + 1,GFP_KERNEL); + cladatum->comkey = kmalloc(len2 + 1, GFP_KERNEL); if (!cladatum->comkey) { rc = -ENOMEM; goto bad; @@ -1195,7 +1193,7 @@ static int role_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); role->value = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1242,7 +1240,7 @@ static int type_read(struct policydb *p, struct hashtab *h, void *fp) __le32 buf[3]; u32 len; - typdatum = kzalloc(sizeof(*typdatum),GFP_KERNEL); + typdatum = kzalloc(sizeof(*typdatum), GFP_KERNEL); if (!typdatum) { rc = -ENOMEM; return rc; @@ -1256,7 +1254,7 @@ static int type_read(struct policydb *p, struct hashtab *h, void *fp) typdatum->value = le32_to_cpu(buf[1]); typdatum->primary = le32_to_cpu(buf[2]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1328,7 +1326,7 @@ static int user_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); usrdatum->value = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_KERNEL); + key = kmalloc(len + 1, GFP_KERNEL); if (!key) { rc = -ENOMEM; goto bad; @@ -1382,7 +1380,7 @@ static int sens_read(struct policydb *p, struct hashtab *h, void *fp) len = le32_to_cpu(buf[0]); levdatum->isalias = le32_to_cpu(buf[1]); - key = kmalloc(len + 1,GFP_ATOMIC); + key = kmalloc(len + 1, GFP_ATOMIC); if (!key) { rc = -ENOMEM; goto bad; @@ -1434,7 +1432,7 @@ static int cat_read(struct policydb *p, struct hashtab *h, void *fp) catdatum->value = le32_to_cpu(buf[1]); catdatum->isalias = le32_to_cpu(buf[2]); - key = kmalloc(len + 1,GFP_ATOMIC); + key = kmalloc(len + 1, GFP_ATOMIC); if (!key) { rc = -ENOMEM; goto bad; @@ -1493,7 +1491,7 @@ int policydb_read(struct policydb *p, void *fp) goto out; /* Read the magic number and string length. */ - rc = next_entry(buf, fp, sizeof(u32)* 2); + rc = next_entry(buf, fp, sizeof(u32) * 2); if (rc < 0) goto bad; @@ -1511,7 +1509,7 @@ int policydb_read(struct policydb *p, void *fp) len, strlen(POLICYDB_STRING)); goto bad; } - policydb_str = kmalloc(len + 1,GFP_KERNEL); + policydb_str = kmalloc(len + 1, GFP_KERNEL); if (!policydb_str) { printk(KERN_ERR "SELinux: unable to allocate memory for policydb " "string of length %d\n", len); @@ -1544,9 +1542,9 @@ int policydb_read(struct policydb *p, void *fp) if (p->policyvers < POLICYDB_VERSION_MIN || p->policyvers > POLICYDB_VERSION_MAX) { printk(KERN_ERR "SELinux: policydb version %d does not match " - "my version range %d-%d\n", - le32_to_cpu(buf[0]), POLICYDB_VERSION_MIN, POLICYDB_VERSION_MAX); - goto bad; + "my version range %d-%d\n", + le32_to_cpu(buf[0]), POLICYDB_VERSION_MIN, POLICYDB_VERSION_MAX); + goto bad; } if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_MLS)) { @@ -1634,11 +1632,10 @@ int policydb_read(struct policydb *p, void *fp) rc = -ENOMEM; goto bad; } - if (ltr) { + if (ltr) ltr->next = tr; - } else { + else p->role_tr = tr; - } rc = next_entry(buf, fp, sizeof(u32)*3); if (rc < 0) goto bad; @@ -1665,11 +1662,10 @@ int policydb_read(struct policydb *p, void *fp) rc = -ENOMEM; goto bad; } - if (lra) { + if (lra) lra->next = ra; - } else { + else p->role_allow = ra; - } rc = next_entry(buf, fp, sizeof(u32)*2); if (rc < 0) goto bad; @@ -1703,11 +1699,10 @@ int policydb_read(struct policydb *p, void *fp) rc = -ENOMEM; goto bad; } - if (l) { + if (l) l->next = c; - } else { + else p->ocontexts[i] = c; - } l = c; rc = -EINVAL; switch (i) { @@ -1726,7 +1721,7 @@ int policydb_read(struct policydb *p, void *fp) if (rc < 0) goto bad; len = le32_to_cpu(buf[0]); - c->u.name = kmalloc(len + 1,GFP_KERNEL); + c->u.name = kmalloc(len + 1, GFP_KERNEL); if (!c->u.name) { rc = -ENOMEM; goto bad; @@ -1754,7 +1749,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; break; case OCON_NODE: - rc = next_entry(buf, fp, sizeof(u32)* 2); + rc = next_entry(buf, fp, sizeof(u32) * 2); if (rc < 0) goto bad; c->u.node.addr = le32_to_cpu(buf[0]); @@ -1771,7 +1766,7 @@ int policydb_read(struct policydb *p, void *fp) if (c->v.behavior > SECURITY_FS_USE_NONE) goto bad; len = le32_to_cpu(buf[1]); - c->u.name = kmalloc(len + 1,GFP_KERNEL); + c->u.name = kmalloc(len + 1, GFP_KERNEL); if (!c->u.name) { rc = -ENOMEM; goto bad; @@ -1819,7 +1814,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; } - newgenfs->fstype = kmalloc(len + 1,GFP_KERNEL); + newgenfs->fstype = kmalloc(len + 1, GFP_KERNEL); if (!newgenfs->fstype) { rc = -ENOMEM; kfree(newgenfs); @@ -1865,7 +1860,7 @@ int policydb_read(struct policydb *p, void *fp) goto bad; } - newc->u.name = kmalloc(len + 1,GFP_KERNEL); + newc->u.name = kmalloc(len + 1, GFP_KERNEL); if (!newc->u.name) { rc = -ENOMEM; goto bad_newc; @@ -1969,7 +1964,7 @@ int policydb_read(struct policydb *p, void *fp) out: return rc; bad_newc: - ocontext_destroy(newc,OCON_FSUSE); + ocontext_destroy(newc, OCON_FSUSE); bad: if (!rc) rc = -EINVAL; |