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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | COLOPHON |
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PAM_GET_USER(3) Linux-PAM Manual PAM_GET_USER(3)
pam_get_user - get user name
#include <security/pam_modules.h>
int pam_get_user(const pam_handle_t *pamh, const char **user,
const char *prompt);
The pam_get_user function returns the name of the user specified
by pam_start(3). If no user was specified it returns what
pam_get_item (pamh, PAM_USER, ... ); would have returned. If this
is NULL it obtains the username via the pam_conv(3) mechanism, it
prompts the user with the first non-NULL string in the following
list:
• The prompt argument passed to the function.
• What is returned by pam_get_item (pamh, PAM_USER_PROMPT, ...
);
• The default prompt: "login: "
By whatever means the username is obtained, a pointer to it is
returned as the contents of *user. Note, this memory should not
be free()'d or modified by the module.
This function sets the PAM_USER item associated with the
pam_set_item(3) and pam_get_item(3) functions.
PAM_SUCCESS
User name was successful retrieved.
PAM_SYSTEM_ERR
A NULL pointer was submitted.
PAM_CONV_ERR
The conversation method supplied by the application failed to
obtain the username.
PAM_BUF_ERR
Memory buffer error.
PAM_ABORT
Error resuming an old conversation.
PAM_CONV_AGAIN
The conversation method supplied by the application is
waiting for an event.
pam_end(3), pam_get_item(3), pam_set_item(3), pam_strerror(3)
This page is part of the linux-pam (Pluggable Authentication
Modules for Linux) project. Information about the project can be
found at ⟨http://www.linux-pam.org/⟩. If you have a bug report
for this manual page, see ⟨//www.linux-pam.org/⟩. This page was
obtained from the project's upstream Git repository
⟨https://github.com/linux-pam/linux-pam.git⟩ on 2023-12-22. (At
that time, the date of the most recent commit that was found in
the repository was 2023-12-18.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
Linux-PAM Manual 12/22/2023 PAM_GET_USER(3)
Pages that refer to this page: pam(3), pam_get_item(3)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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