GNU/Linux man pages
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GNU/Linux |
CentOS 5.1 |
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pam_putenv(3) |
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pam_putenv − set or change PAM environment variable
#include <security/pam_appl.h>
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int pam_putenv(pam_handle_t *pamh, const char *name_value); |
The pam_putenv function is used to add or change the value of PAM environment variables as associated with the pamh handle.
The pamh
argument is an authentication handle obtained by a prior
call to pam_start(). The name_value argument is a
single NUL terminated string of one of the following forms:
NAME=value of variable
In this case the environment variable of the given NAME is set to the indicated value: value of variable. If this variable is already known, it is overwritten. Otherwise it is added to the PAM environment.
NAME=
This function sets the variable to an empty value. It is listed separately to indicate that this is the correct way to achieve such a setting.
NAME
Without an ’=’ the pam_putenv() function will delete the corresponding variable from the PAM environment.
PAM_PERM_DENIED
Argument name_value given is a NULL pointer.
PAM_BAD_ITEM
Variable requested (for deletion) is not currently set.
PAM_ABORT
The pamh handle is corrupt.
PAM_BUF_ERR
Memory buffer error.
PAM_SUCCESS
The environment variable was successfully updated.
pam_start(3), pam_getenv(3), pam_getenvlist(3), pam_strerror(3), pam(8)
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pam_putenv(3) | |