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CentOS 7.0 - man page for get_default_context (centos section 3)

get_ordered_context_list(3)			       SELinux				  get_ordered_context_list(3)

NAME
get_ordered_context_list, get_ordered_context_list_with_level, get_default_context, get_default_con- text_with_level, get_default_context_with_role, get_default_context_with_rolelevel, query_user_context, man- ual_user_enter_context, get_default_role - determine SELinux context(s) for user sessions
SYNOPSIS
#include <selinux/selinux.h> #include <selinux/get_context_list.h> int get_ordered_context_list(const char *user, security_context_t fromcon, security_context_t **list); int get_ordered_context_list_with_level(const char *user, const char *level, security_context_t fromcon, secu- rity_context_t **list); int get_default_context(const char *user, security_context_t fromcon, security_context_t *newcon); int get_default_context_with_level(const char *user, const char *level, security_context_t fromcon, secu- rity_context_t *newcon); int get_default_context_with_role(const char *user, const char *role, security_context_t fromcon, secu- rity_context_t *newcon); int get_default_context_with_rolelevel(const char *user, const char *level, const char *role, security_con- text_t fromcon, security_context_t *newcon); int query_user_context(security_context_t *list, security_context_t *newcon); int manual_user_enter_context(const char *user, security_context_t *newcon); int get_default_type(const char *role, char **type);
DESCRIPTION
get_ordered_context_list() invokes the security_compute_user(3) function to obtain the list of contexts for the specified user that are reachable from the specified fromcon context. The function then orders the resulting list based on the global /etc/selinux/{SELINUXTYPE}/contexts/default_contexts file and the per-user /etc/selinux/{SELINUXTYPE}/contexts/users/<username> file if it exists. The fromcon parameter may be NULL to indicate that the current context should be used. The function returns the number of contexts in the list, or -1 upon errors. The list must be freed using the freeconary(3) function. get_ordered_context_list_with_level() invokes the get_ordered_context_list() function and applies the speci- fied level. get_default_context() is the same as get_ordered_context_list() but only returns a single context which has to be freed with freecon(3). get_default_context_with_level() invokes the get_default_context() function and applies the specified level. get_default_context_with_role() is the same as get_default_context() but only returns a context with the spec- ified role, returning -1 if no such context is reachable for the user. get_default_context_with_rolelevel() invokes the get_default_context_with_role() function and applies the specified level. query_user_context() takes a list of contexts, queries the user via stdin/stdout as to which context they want, and returns a new context as selected by the user (which has to be freed with freecon(3)). manual_user_enter_context() allows the user to manually enter a context as a fallback if a list of authorized contexts could not be obtained. Caller must free via freecon(3). get_default_type() Get the default type (domain) for role and set type to refer to it, which has to be freed with free.
RETURN VALUE
get_ordered_context_list() and get_ordered_context_list_with_level() return the number of contexts in the list upon success or -1 upon errors. The other functions return 0 for success or -1 for errors.
SEE ALSO
selinux(8), freeconary(3), freecon(3), security_compute_av(3), getseuserbyname(3) russell@coker.com.au 1 January 2004 get_ordered_context_list(3)


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