From b4b7ff4b08e691656c9d77c758fc355833128ac0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 20 Jan 2016 14:01:31 -0300 Subject: Linux-libre 4.4-gnu --- security/selinux/ss/services.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) (limited to 'security/selinux/ss/services.c') diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index b7df12ba6..ebb5eb3c3 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -1218,13 +1218,10 @@ static int context_struct_to_string(struct context *context, char **scontext, u3 /* * Copy the user name, role name and type name into the context. */ - sprintf(scontextp, "%s:%s:%s", + scontextp += sprintf(scontextp, "%s:%s:%s", sym_name(&policydb, SYM_USERS, context->user - 1), sym_name(&policydb, SYM_ROLES, context->role - 1), sym_name(&policydb, SYM_TYPES, context->type - 1)); - scontextp += strlen(sym_name(&policydb, SYM_USERS, context->user - 1)) + - 1 + strlen(sym_name(&policydb, SYM_ROLES, context->role - 1)) + - 1 + strlen(sym_name(&policydb, SYM_TYPES, context->type - 1)); mls_sid_to_context(context, &scontextp); @@ -1259,12 +1256,12 @@ static int security_sid_to_context_core(u32 sid, char **scontext, *scontext_len = strlen(initial_sid_to_string[sid]) + 1; if (!scontext) goto out; - scontextp = kmalloc(*scontext_len, GFP_ATOMIC); + scontextp = kmemdup(initial_sid_to_string[sid], + *scontext_len, GFP_ATOMIC); if (!scontextp) { rc = -ENOMEM; goto out; } - strcpy(scontextp, initial_sid_to_string[sid]); *scontext = scontextp; goto out; } @@ -1476,6 +1473,11 @@ int security_context_to_sid(const char *scontext, u32 scontext_len, u32 *sid, sid, SECSID_NULL, gfp, 0); } +int security_context_str_to_sid(const char *scontext, u32 *sid, gfp_t gfp) +{ + return security_context_to_sid(scontext, strlen(scontext), sid, gfp); +} + /** * security_context_to_sid_default - Obtain a SID for a given security context, * falling back to specified default if needed. @@ -2604,18 +2606,12 @@ int security_get_bools(int *len, char ***names, int **values) goto err; for (i = 0; i < *len; i++) { - size_t name_len; - (*values)[i] = policydb.bool_val_to_struct[i]->state; - name_len = strlen(sym_name(&policydb, SYM_BOOLS, i)) + 1; rc = -ENOMEM; - (*names)[i] = kmalloc(sizeof(char) * name_len, GFP_ATOMIC); + (*names)[i] = kstrdup(sym_name(&policydb, SYM_BOOLS, i), GFP_ATOMIC); if (!(*names)[i]) goto err; - - strncpy((*names)[i], sym_name(&policydb, SYM_BOOLS, i), name_len); - (*names)[i][name_len - 1] = 0; } rc = 0; out: -- cgit v1.2.3-54-g00ecf