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| author | Nancy Gilman <nlgilman@mit.edu> | 1994-06-14 19:09:21 +0000 |
|---|---|---|
| committer | Nancy Gilman <nlgilman@mit.edu> | 1994-06-14 19:09:21 +0000 |
| commit | c0af96f6e06ebf68e770053083f8165ec755da79 (patch) | |
| tree | c9c299df186af07693f9e1d6c4b1634e524fc736 /doc/implement/libos-i.tex | |
| parent | 1675ef2c7904720a973a3fd62a7181162f482cd7 (diff) | |
| download | krb5-c0af96f6e06ebf68e770053083f8165ec755da79.tar.gz krb5-c0af96f6e06ebf68e770053083f8165ec755da79.tar.xz krb5-c0af96f6e06ebf68e770053083f8165ec755da79.zip | |
The first revision after the creation of the
implementor's guide
git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@3771 dc483132-0cff-0310-8789-dd5450dbe970
Diffstat (limited to 'doc/implement/libos-i.tex')
| -rw-r--r-- | doc/implement/libos-i.tex | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/doc/implement/libos-i.tex b/doc/implement/libos-i.tex index 5063b5723..cdd4861ff 100644 --- a/doc/implement/libos-i.tex +++ b/doc/implement/libos-i.tex @@ -32,346 +32,3 @@ for password reading. \end{description} -\begin{funcdecl}{krb5_read_password}{krb5_error_code}{\funcin} -\funcarg{char *}{prompt} -\funcarg{char *}{prompt2} -\funcout -\funcarg{char *}{return_pwd} -\funcinout -\funcarg{int *}{size_return} -\end{funcdecl} - -Read a password from the keyboard. The first \funcparam{*size_return} -bytes of the password entered are returned in \funcparam{return_pwd}. -If fewer than \funcparam{*size_return} bytes are typed as a password, -the remainder of \funcparam{return_pwd} is zeroed. Upon success, the -total number of bytes filled in is stored in \funcparam{*size_return}. - -\funcparam{prompt} is used as the prompt for the first reading of a password. -It is printed to the terminal, and then a password is read from the -keyboard. No newline or spaces are emitted between the prompt and the -cursor, unless the newline/space is included in the prompt. - -If \funcparam{prompt2} is a null pointer, then the password is read -once. If \funcparam{prompt2} is set, then it is used as a prompt to -read another password in the same manner as described for -\funcparam{prompt}. After the second password is read, the two -passwords are compared, and an error is returned if they are not -identical. - -Echoing is turned off when the password is read. - -If there is an error in reading or verifying the password, an error code -is returned; else zero is returned. - -\begin{funcdecl}{krb5_lock_file}{krb5_error_code}{\funcvoid} -\funcarg{FILE *}{filep} -\funcarg{char *}{pathname} -\funcarg{int}{mode} -\end{funcdecl} - -Attempts to lock the file in the given \funcparam{mode}; returns 0 for a -successful lock, or an error code otherwise. - -The caller should arrange that both \funcparam{filep} and -\funcparam{pathname} refer to the same -file. The implementation may use whichever is more convenient. - -Modes are given in {\tt <krb5/libos.h>} - - -\begin{funcdecl}{krb5_unlock_file}{krb5_error_code}{\funcvoid} -\funcarg{FILE *}{filep} -\funcarg{char *}{pathname} -\end{funcdecl} - -Attempts to (completely) unlock the file. Returns 0 if successful, -or an error code otherwise. - -The caller should arrange that both \funcparam{filep} and -\funcparam{pathname} refer to the same file. The implementation may -use whichever is more convenient. - -\begin{funcdecl}{krb5_create_secure_file}{krb5_error_code}{\funcin} -\funcarg{const char *}{pathname} -\end{funcdecl} - -Creates a file named pathname which can only be read by the current -user. - -\begin{funcdecl}{krb5_sync_disk_file}{krb5_error_code}{\funcin} -\funcarg{FILE *}{fp} -\end{funcdecl} - -Assures that the changes made to the file pointed to by the file -handle -fp are forced out to disk. - -\begin{funcdecl}{krb5_timeofday}{krb5_error_code}{\funcout} -\funcarg{krb5_int32 *}{timeret} -\end{funcdecl} - -Retrieves the system time of day, in seconds since the local system's -epoch. -[The ASN.1 encoding routines must convert this to the standard ASN.1 -encoding as needed] - -\begin{funcdecl}{krb5_us_timeofday}{krb5_error_code}{\funcout} -\funcarg{krb5_int32 *}{seconds} -\funcarg{krb5_int32 *}{microseconds} -\end{funcdecl} - -Retrieves the system time of day, in seconds since the local system's -epoch. -[The ASN.1 encoding routines must convert this to the standard ASN.1 -encoding as needed] - -The seconds portion is returned in \funcparam{*seconds}, the -microseconds portion in \funcparam{*microseconds}. - -\begin{funcdecl}{krb5_net_read}{int}{\funcin} -\funcarg{int}{fd} -\funcout -\funcarg{char *}{buf} -\funcin -\funcarg{int}{len} -\end{funcdecl} - -Like read(2), but guarantees that it reads as much as was requested -or returns -1 and sets errno. - -(make sure your sender will send all the stuff you are looking for!) -Only useful on stream sockets and pipes. - -\begin{funcdecl}{krb5_net_write}{int}{\funcin} -\funcarg{int}{fd} -\funcarg{const char *}{buf} -\funcarg{int}{len} -\end{funcdecl} - -Like write(2), but guarantees that it writes as much as was requested -or returns -1 and sets errno. - -Only useful on stream sockets and pipes. - -\begin{funcdecl}{krb5_write_message}{krb5_error_code}{\funcin} -\funcarg{krb5_pointer}{fd} -\funcarg{krb5_data *}{data} -\end{funcdecl} - - -\funcname{krb5_write_message} writes data to the network as a message, -using the network connection pointed to by \funcparam{fd}. - -\begin{funcdecl}{krb5_read_message}{krb5_error_code}{\funcin} -\funcarg{krb5_pointer}{fd} -\funcout -\funcarg{krb5_data *}{data} -\end{funcdecl} - -Reads data from the network as a message, using the network connection -pointed to by fd. - -\begin{funcdecl}{krb5_os_localaddr}{krb5_error_code}{\funcout} -\funcarg{krb5_address ***}{addr} -\end{funcdecl} - -Return all the protocol addresses of this host. - -Compile-time configuration flags will indicate which protocol family -addresses might be returned. -\funcparam{*addr} is filled in to point to an array of address pointers, -terminated by a null pointer. All the storage pointed to is allocated -and should be freed by the caller with \funcname{krb5_free_address} -when no longer needed. - - -\begin{funcdecl}{krb5_sendto_kdc}{krb5_error_code}{\funcin} -\funcarg{const krb5_data *}{send} -\funcarg{const krb5_data *}{realm} -\funcout -\funcarg{krb5_data *}{receive} -\end{funcdecl} - -Send the message \funcparam{send} to a KDC for realm \funcparam{realm} and -return the response (if any) in \funcparam{receive}. - -If the message is sent and a response is received, 0 is returned, -otherwise an error code is returned. - -The storage for \funcparam{receive} is allocated and should be freed by -the caller when finished. - -\begin{funcdecl}{krb5_get_krbhst}{krb5_error_code}{\funcin} -\funcarg{const krb5_data *}{realm} -\funcout -\funcarg{char ***}{hostlist} -\end{funcdecl} - -Figures out the Kerberos server names for the given \funcparam{realm}, -filling in \funcparam{hostlist} with a null terminated array of -pointers to hostnames. - -If \funcparam{realm} is unknown, the filled-in pointer is set to NULL. - -The pointer array and strings pointed to are all in allocated storage, -and should be freed by the caller when finished. - -Returns system errors. - -\begin{funcdecl}{krb5_free_krbhst}{krb5_error_code}{\funcin} -\funcarg{char * const *}{hostlist} -\end{funcdecl} - -Frees the storage taken by a host list returned by \funcname{krb5_get_krbhst}. - -\begin{funcdecl}{krb5_aname_to_localname}{krb5_error_code}{\funcin} -\funcarg{krb5_const_principal}{aname} -\funcarg{int}{lnsize} -\funcout -\funcarg{char *}{lname} -\end{funcdecl} - -Converts a principal name \funcparam{aname} to a local name suitable for use by -programs wishing a translation to an environment-specific name (e.g. -user account name). - -\funcparam{lnsize} specifies the maximum length name that is to be filled into -\funcparam{lname}. -The translation will be null terminated in all non-error returns. - -Returns system errors. - -\begin{funcdecl}{krb5_get_default_realm}{krb5_error_code} -\funcout -\funcarg{char **}{lrealm} -\end{funcdecl} - -Retrieves the default realm to be used if no user-specified realm is -available (e.g. to interpret a user-typed principal name with the -realm omitted for convenience), filling in \funcparam{lrealm} with a -pointer to the default realm in allocated storage. - -It is the caller's responsibility for freeing the allocated storage -pointed to be \funcparam{lream} when it is finished with it. - -Returns system errors. - -\begin{funcdecl}{krb5_get_host_realm}{krb5_error_code}{\funcin} -\funcarg{const char *}{host} -\funcout -\funcarg{char ***}{realmlist} -\end{funcdecl} - -Figures out the Kerberos realm names for \funcparam{host}, filling in -\funcparam{realmlist} with a -pointer to an argv[] style list of names, terminated with a null pointer. - -If \funcparam{host} is NULL, the local host's realms are determined. - -If there are no known realms for the host, the filled-in pointer is set -to NULL. - -The pointer array and strings pointed to are all in allocated storage, -and should be freed by the caller when finished. - -Returns system errors. - -\begin{funcdecl}{krb5_free_host_realm}{krb5_error_code}{\funcin} -\funcarg{char * const *}{realmlist} -\end{funcdecl} - -Frees the storage taken by a \funcparam{realmlist} returned by -\funcname{krb5_get_local_realm}. - -\begin{funcdecl}{krb5_kuserok}{krb5_boolean}{\funcin} -\funcarg{krb5_principal}{principal} -\funcarg{const char *}{luser} -\end{funcdecl} - -Given a Kerberos principal \funcparam{principal}, and a local username -\funcparam{luser}, -determine whether user is authorized to login to the account \funcparam{luser}. -Returns TRUE if authorized, FALSE if not authorized. - -\begin{funcdecl}{krb5_random_confounder}{krb5_error_code}{\funcin} -\funcarg{int}{size} -\funcout -\funcarg{krb5_pointer}{fillin} -\end{funcdecl} - -Given a length and a pointer, fills in the area pointed to by -\funcparam{fillin} with \funcparam{size} random octets suitable for use -in a confounder. - -\begin{funcdecl}{krb5_gen_portaddr}{krb5_error_code}{\funcin} -\funcarg{const krb5_address *}{adr} -\funcarg{krb5_const_pointer}{ptr} -\funcout -\funcarg{krb5_address **}{outaddr} -\end{funcdecl} - -Given an address \funcparam{adr} and an additional address-type specific -portion pointed to by -\funcparam{port} this routine -combines them into a freshly-allocated -\datatype{krb5_address} with type \datatype{ADDRTYPE_ADDRPORT} and fills in -\funcparam{*outaddr} to point to this address. For IP addresses, -\funcparam{ptr} should point to a network-byte-order TCP or UDP port -number. Upon success, \funcparam{*outaddr} will point to an allocated -address which should be freed with \funcname{krb5_free_address}. - -\begin{funcdecl}{krb5_gen_replay_name}{krb5_error_code}{\funcin} -\funcarg{const krb5_address *}{inaddr} -\funcarg{const char *}{uniq} -\funcout -\funcarg{char **}{string} -\end{funcdecl} - -Given a \datatype{krb5_address} with type \datatype{ADDRTYPE_ADDRPORT} -in \funcparam{inaddr}, this function unpacks its component address and -additional type, and uses them along with \funcparam{uniq} to allocate a -fresh string to represent the address and additional information. The -string is suitable for use as a replay cache tag. This string is -allocated and should be freed with \funcname{free} when the caller has -finished using it. When using IP addresses, the components in -\funcparam{inaddr\ptsto contents} must be of type -\datatype{ADDRTYPE_INET} and \datatype{ADDRTYPE_PORT}. - -\begin{funcdecl}{krb5_sname_to_principal}{krb5_error_code}{\funcin} -\funcarg{const char *}{hostname} -\funcarg{const char *}{sname} -\funcarg{krb5_int32}{type} -\funcout -\funcarg{krb5_principal *}{ret_princ} -\end{funcdecl} - -Given a hostname \funcparam{hostname} and a generic service name -\funcparam{sname}, this function generates a full principal name to be -used when authenticating with the named service on the host. The full -prinicpal name is returned in \funcparam{ret_princ}. - -The realm of the -principal is determined internally by calling \funcname{krb5_get_host_realm}. - -The \funcparam{type} argument controls how -\funcname{krb5_sname_to_principal} generates the principal name, -\funcparam{ret_princ}, for the named service, \funcparam{sname}. -Currently, two values are supported: KRB5_NT_SRV_HOST, and -KRB5_NT_UNKNOWN. - -If \funcparam{type} is set to -KRB5_NT_SRV_HOST, the hostname will be -canonicalized, i.e. a fully qualified lowercase hostname using -the primary name and the domain name, before \funcparam{ret_princ} is -generated in the form -"sname/hostname@LOCAL.REALM." Most applications should use -KRB5_NT_SRV_HOST. - -However, if \funcparam{type} is set to KRB5_NT_UNKNOWN, -while the generated principal name will have the form -"sname/hostname@LOCAL.REALM" the hostname will not be canonicalized -first. It will appear exactly as it was passed in \funcparam{hostname}. - -The caller should release \funcparam{ret_princ}'s storage by calling -\funcname{krb5_free_principal} when it is finished with the principal. |
