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voms_apic.h(3) Library Functions Manual voms_apic.h(3)

NAME

voms_apic.h

SYNOPSIS

#include <openssl/x509.h>
#include <time.h>
#include 'newformat.h'

Data Structures


struct data
User's characteristics: can be repeated. struct attribute
struct contactdata
The type of data returned. struct voms
struct vomsdata

Macros


#define NOGLOBUS
#define TYPE_NODATA 0
#define TYPE_STD 1
#define TYPE_CUSTOM 2
#define RECURSE_CHAIN 0
#define RECURSE_NONE 1
#define VERIFY_FULL 0xffffffff
#define VERIFY_NONE 0x00000000
#define VERIFY_DATE 0x00000001
#define VERIFY_NOTARGET 0x00000002
#define VERIFY_KEY 0x00000004
#define VERIFY_SIGN 0x00000008
#define VERIFY_ORDER 0x00000010
#define VERIFY_ID 0x00000020
#define VERIFY_CERTLIST 0x00000040
#define VERR_NONE 0
Error codes. #define VERR_NOSOCKET 1
#define VERR_NOIDENT 2
#define VERR_COMM 3
#define VERR_PARAM 4
#define VERR_NOEXT 5
#define VERR_NOINIT 6
#define VERR_TIME 7
#define VERR_IDCHECK 8
#define VERR_EXTRAINFO 9
#define VERR_FORMAT 10
#define VERR_NODATA 11
#define VERR_PARSE 12
#define VERR_DIR 13
#define VERR_SIGN 14
#define VERR_SERVER 15
#define VERR_MEM 16
#define VERR_VERIFY 17
#define VERR_TYPE 18
#define VERR_ORDER 19
#define VERR_SERVERCODE 20
#define VERR_NOTAVAIL 21

Typedefs


typedef void * gss_cred_id_t
typedef void * gss_ctx_id_t

Functions


struct contactdata ** VOMS_FindByAlias (struct vomsdata *vd, char *alias, char *system, char *user, int *error)
struct contactdata ** VOMS_FindByVO (struct vomsdata *vd, char *vo, char *system, char *user, int *error)
void VOMS_DeleteContacts (struct contactdata **list)
struct vomsdata * VOMS_Init (char *voms, char *cert)
struct voms * VOMS_Copy (struct voms *v, int *error)
struct vomsdata * VOMS_CopyAll (struct vomsdata *vd, int *error)
void VOMS_Delete (struct voms *v)
int VOMS_AddTarget (struct vomsdata *vd, char *target, int *error)
void VOMS_FreeTargets (struct vomsdata *vd, int *error)
char * VOMS_ListTargets (struct vomsdata *vd, int *error)
int VOMS_SetVerificationType (int type, struct vomsdata *vd, int *error)
int VOMS_SetLifetime (int length, struct vomsdata *vd, int *error)
void VOMS_Destroy (struct vomsdata *vd)
int VOMS_ResetOrder (struct vomsdata *vd, int *error)
int VOMS_Ordering (char *order, struct vomsdata *vd, int *error)
int VOMS_Contact (char *hostname, int port, char *servsubject, char *command, struct vomsdata *vd, int *error)
int VOMS_ContactRaw (char *hostname, int port, char *servsubject, char *command, void **data, int *datalen, int *version, struct vomsdata *vd, int *error)
int VOMS_Retrieve (X509 *cert, STACK_OF(X509) *chain, int how, struct vomsdata *vd, int *error)
int VOMS_Import (char *buffer, int buflen, struct vomsdata *vd, int *error)
int VOMS_Export (char **buffer, int *buflen, struct vomsdata *vd, int *error)
struct voms * VOMS_DefaultData (struct vomsdata *vd, int *error)
char * VOMS_ErrorMessage (struct vomsdata *vd, int error, char *buffer, int len)
int VOMS_RetrieveEXT (X509_EXTENSION *ext, struct vomsdata *vd, int *error)
int VOMS_RetrieveFromCred (gss_cred_id_t cred, int how, struct vomsdata *vd, int *error)
int VOMS_RetrieveFromFile (FILE *file, int how, struct vomsdata *vd, int *error)
int VOMS_RetrieveFromCtx (gss_ctx_id_t ctx, int how, struct vomsdata *vd, int *error)
int VOMS_RetrieveFromProxy (int how, struct vomsdata *vd, int *error)
int VOMS_RetrieveFromAC (AC *ac, struct vomsdata *vd, int *error)
int VOMS_GetAttributeSourcesNumber (struct voms *v, struct vomsdata *vd, int *error)
int VOMS_GetAttributeSourceHandle (struct voms *v, int num, struct vomsdata *vd, int *error)
const char * VOMS_GetAttributeGrantor (struct voms *v, int handle, struct vomsdata *vd, int *error)
int VOMS_GetAttributesNumber (struct voms *v, int handle, struct vomsdata *vd, int *error)
int VOMS_GetAttribute (struct voms *v, int handle, int num, struct attribute *at, struct vomsdata *vd, int *error)
struct vomsdata * VOMS_Duplicate (struct vomsdata *vd)
AC * VOMS_GetAC (struct voms *v)
int getMajorVersionNumber (void)
int getMinorVersionNumber (void)
int getPatchVersionNumber (void)
int VOMS_SetVerificationTime (time_t verificationtime, struct vomsdata *vd, int *error)
char ** VOMS_GetTargetsList (struct voms *v, struct vomsdata *vd, int *error)
void VOMS_FreeTargetsList (char **)
int VOMS_SetTimeout (int t, struct vomsdata *vd, int *error)
int VOMS_LoadCredentials (X509 *cert, EVP_PKEY *pkey, STACK_OF(X509) *chain, struct vomsdata *vd, int *error)

Macro Definition Documentation

#define NOGLOBUS

Definition at line 33 of file voms_apic.h.

#define RECURSE_CHAIN 0

Definition at line 105 of file voms_apic.h.

#define RECURSE_NONE 1

Definition at line 106 of file voms_apic.h.

#define TYPE_CUSTOM 2

result of an S command

Definition at line 77 of file voms_apic.h.

#define TYPE_NODATA 0

no data

Definition at line 75 of file voms_apic.h.

#define TYPE_STD 1

group, role, capability triplet

Definition at line 76 of file voms_apic.h.

#define VERIFY_CERTLIST 0x00000040

Definition at line 116 of file voms_apic.h.

#define VERIFY_DATE 0x00000001

Definition at line 110 of file voms_apic.h.

#define VERIFY_FULL 0xffffffff

Definition at line 108 of file voms_apic.h.

#define VERIFY_ID 0x00000020

Definition at line 115 of file voms_apic.h.

#define VERIFY_KEY 0x00000004

Definition at line 112 of file voms_apic.h.

#define VERIFY_NONE 0x00000000

Definition at line 109 of file voms_apic.h.

#define VERIFY_NOTARGET 0x00000002

Definition at line 111 of file voms_apic.h.

#define VERIFY_ORDER 0x00000010

Definition at line 114 of file voms_apic.h.

#define VERIFY_SIGN 0x00000008

Definition at line 113 of file voms_apic.h.

#define VERR_COMM 3

Server problem

Definition at line 123 of file voms_apic.h.

#define VERR_DIR 13

Directory error

Definition at line 134 of file voms_apic.h.

#define VERR_EXTRAINFO 9

VO name and URI missing

Definition at line 130 of file voms_apic.h.

#define VERR_FORMAT 10

Wrong data format

Definition at line 131 of file voms_apic.h.

#define VERR_IDCHECK 8

User data in extension different from the real ones

Definition at line 128 of file voms_apic.h.

#define VERR_MEM 16

Memory problems

Definition at line 137 of file voms_apic.h.

#define VERR_NODATA 11

Empty extension

Definition at line 132 of file voms_apic.h.

#define VERR_NOEXT 5

VOMS extension missing

Definition at line 125 of file voms_apic.h.

#define VERR_NOIDENT 2

Cannot identify itself (certificate problem)

Definition at line 122 of file voms_apic.h.

#define VERR_NOINIT 6

Initialization error

Definition at line 126 of file voms_apic.h.

#define VERR_NONE 0

Error codes.

Definition at line 120 of file voms_apic.h.

#define VERR_NOSOCKET 1

Socket problem

Definition at line 121 of file voms_apic.h.

#define VERR_NOTAVAIL 21

Method not available

Definition at line 142 of file voms_apic.h.

#define VERR_ORDER 19

Ordering different than required

Definition at line 140 of file voms_apic.h.

#define VERR_PARAM 4

Wrong parameters

Definition at line 124 of file voms_apic.h.

#define VERR_PARSE 12

Parse error

Definition at line 133 of file voms_apic.h.

#define VERR_SERVER 15

Unidentifiable VOMS server

Definition at line 136 of file voms_apic.h.

#define VERR_SERVERCODE 20

Error from the server

Definition at line 141 of file voms_apic.h.

#define VERR_SIGN 14

Signature error

Definition at line 135 of file voms_apic.h.

#define VERR_TIME 7

Error in time checking

Definition at line 127 of file voms_apic.h.

#define VERR_TYPE 18

Returned data of unknown type

Definition at line 139 of file voms_apic.h.

#define VERR_VERIFY 17

Generic verification error

Definition at line 138 of file voms_apic.h.

Typedef Documentation

typedef void* gss_cred_id_t

Definition at line 35 of file voms_apic.h.

typedef void* gss_ctx_id_t

Definition at line 36 of file voms_apic.h.

Function Documentation

int getMajorVersionNumber (void ) [extern]

int getMinorVersionNumber (void ) [extern]

int getPatchVersionNumber (void ) [extern]

int VOMS_AddTarget (struct vomsdata * vd, char * target, int * error) [extern]

Adds a target to the AC.

Parameters

vd The vomsdata structure.
target The target to add. It should be a FQDN.
error RETURN PARAMETER: qualifies the error message.

Returns

failure (0) or success (<>0)

int VOMS_Contact (char * hostname, int port, char * servsubject, char * command, struct vomsdata * vd, int * error) [extern]

Contacts a VOMS server to get a certificate

It is the equivalent of the voms_proxy_init command, but without the --include functionality.

Parameters

hostname FQDN of the VOMS server
port the port on which the VOMS server is listening
servsubject the subject of the server's certificate
command Command
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_ContactRaw (char * hostname, int port, char * servsubject, char * command, void ** data, int * datalen, int * version, struct vomsdata * vd, int * error) [extern]

The same as VOMS_Contact, except that instead of starting the verification process, the data is returned as is in the

Parameters

data and
datalen fields.
hostname FQDN of the VOMS server
port the port on which the VOMS server is listening
servsubject the subject of the server's certificate
command the command sent to the server
version is the version number of the data.
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

struct voms * VOMS_Copy (struct voms * v, int * error) [extern]

Copies a voms structure. N.B: This is the ONLY way to correctly initialize a voms structure as a copy of another voms structure.

Parameters

v The structure to copy.
error RETURN PARAMETER: qualifies the error message.

Returns

NULL (error) or the new voms structure.

struct vomsdata * VOMS_CopyAll (struct vomsdata * vd, int * error) [extern]

Copies a vomsdata structure. N.B: This is the ONLY way to correctly initialize a vomsdata structure as a copy of another vomsdata structure.

Parameters

vd The structure to copy.
error RETURN PARAMETER: qualifies the error message.

Returns

NULL (error) or the new vomsdata structure.

struct voms * VOMS_DefaultData (struct vomsdata * vd, int * error) [extern]

Gets the default attributes from a vomsdata structure.

Parameters

vd the vomsdata structure to analyze
error RETURN PARAMETER: Qualifies the error message

Returns

a pointer to the relevant voms structure. DO NOT modify the fields.

void VOMS_Delete (struct voms * v) [extern]

Deletes a voms structure

Parameters

v Pointer to the structure to delete.

void VOMS_DeleteContacts (struct contactdata ** list) [extern]

Frees a contactdata vector.

Parameters

list The vector to free.

Returns

NONE

void VOMS_Destroy (struct vomsdata * vd) [extern]

Destroys a proper vomsdata structure /param vd The structure to deallocate.

struct vomsdata * VOMS_Duplicate (struct vomsdata * vd) [extern]

char * VOMS_ErrorMessage (struct vomsdata * vd, int error, char * buffer, int len) [extern]

Gets a textual description of the error.

Parameters

vd The vomsdata structure to analyze
error The error returned by the last function
buffer A pointer to a buffer where the error message will be written. If NULL, then memory is allocated by the function, and will have to be free()ed by the caller.
len The length of the memory pointed to by the buffer parameter.

Returns

A pointer to the error message.

int VOMS_Export (char ** buffer, int * buflen, struct vomsdata * vd, int * error) [extern]

Converts data into a test format

Parameters

buffer OUTPUT PARAMETER contains the converted data
buflen OUTPUT PARAMETER contains the length of buffer
vd contains the data to convert
error RETURN PARAMETER Qualifies the error message

Returns

failure (0) or success (<>0)

struct contactdata ** VOMS_FindByAlias (struct vomsdata * vd, char * alias, char * system, char * user, int * error) [extern]

Gets a list of VOMS servers which share an alias.

Parameters

vd The correctly initialized vomsdata structured.
alias The alias to look for.
system The directory in which to look for the system configuration files. If NULL, defaults to /opt/edc/etc/vomses
user The directory in which to look for the user configuration files. Defaults to $VOMS_USERCONF if NULL. Again defaults to $HOME/.edg/vomses if the latter is NULL, or to ~/.edg/vomses as a last resort.
error RETURN PARAMETER: qualifies the error message.

Returns

NULL, or a NULL-terminated vector of contactdata structures. The only supported way to free this array is via the VOMS_DeleteContacts function. Note also that the order in which the servers are returned is unspecified.

struct contactdata ** VOMS_FindByVO (struct vomsdata * vd, char * vo, char * system, char * user, int * error) [extern]

Gets a list of VOMS servers which serve the same VO.

Parameters

vd The correctly initialized vomsdata structured.
vo The VO to look for.
system The directory in which to look for the system configuration files. If NULL, defaults to /opt/edc/etc/vomses
user The directory in which to look for the user configuration files. Defaults to $VOMS_USERCONF if NULL. Again defaults to $HOME/.edg/vomses if the latter is NULL, or to ~/.edg/vomses as a last resort.
error RETURN PARAMETER: qualifies the error message.

Returns

NULL, or a NULL-terminated vector of contactdata structures. The only supported way to free this array is via the VOMS_DeleteContacts function. Note also that the order in which the servers are returned is unspecified.

void VOMS_FreeTargets (struct vomsdata * vd, int * error) [extern]

Delete the targets from the AC.

Parameters

vd The vomsdata structure.
error RETURN PARAMETER: qualifies the error message.

void VOMS_FreeTargetsList (char ** ) [extern]

AC * VOMS_GetAC (struct voms * v) [extern]

int VOMS_GetAttribute (struct voms * v, int handle, int num, struct attribute * at, struct vomsdata * vd, int * error) [extern]

const char * VOMS_GetAttributeGrantor (struct voms * v, int handle, struct vomsdata * vd, int * error) [extern]

int VOMS_GetAttributesNumber (struct voms * v, int handle, struct vomsdata * vd, int * error) [extern]

int VOMS_GetAttributeSourceHandle (struct voms * v, int num, struct vomsdata * vd, int * error) [extern]

int VOMS_GetAttributeSourcesNumber (struct voms * v, struct vomsdata * vd, int * error) [extern]

char ** VOMS_GetTargetsList (struct voms * v, struct vomsdata * vd, int * error) [extern]

int VOMS_Import (char * buffer, int buflen, struct vomsdata * vd, int * error) [extern]

Converts data from the format used for inclusion into a certificate to the internal format

The function does verify the data.

Parameters

buffer contains the data to be converted
buflen contains the length of buffer
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

struct vomsdata * VOMS_Init (char * voms, char * cert) [extern]

Initializes a vomsdata structure for use by the other functions. N.B: This is the ONLY way to correctly initialize a vomsdata structure. It is also forbidden to directly take the sizeof() of this structure.

Parameters

voms The directory which contains the certificates of the VOMS servers
cert The directory which contains the CA certificates

If voms_dir is empty, the value of the environment variable X509_VOMS_DIR is taken

If cert_dir is empty, the value of the environment variable X509_CERT_DIR is taken

Returns

NULL for failure, or a pointer to a properly initialized structure.

char * VOMS_ListTargets (struct vomsdata * vd, int * error) [extern]

int VOMS_LoadCredentials (X509 * cert, EVP_PKEY * pkey, STACK_OF(X509) * chain, struct vomsdata * vd, int * error) [extern]

int VOMS_Ordering (char * order, struct vomsdata * vd, int * error) [extern]

Further specified the order of the returned attributes. Please do note that calls are cumulative unless VOMS_ResetOrder() is called.

Parameters

order the group:role attribute.
vd RETURN PARAMETER: contains the modified data.
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_ResetOrder (struct vomsdata * vd, int * error) [extern]

Unsets the return order of the attributes.

Parameters

vd RETURN PARAMETER: contains the modified data.
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_Retrieve (X509 * cert, STACK_OF(X509) * chain, int how, struct vomsdata * vd, int * error) [extern]

Extracts the VOMS extension from an X.509 certificate.



            The function doesn't check the validity of the certificates, 


            but it does check the content of the user data.


            \param cert The certificate with the VOMS extensions


            \param chain The chain of the validation certificates 


                  (only the intermediate ones)


            \param how Recursion type


         \param vd RETURN PARAMETER: contains the data returned by the connection


         \param error RETURN PARAMETER: Qualifies the error message


         \return failure (0) or success (<>0)

int VOMS_RetrieveEXT (X509_EXTENSION * ext, struct vomsdata * vd, int * error) [extern]

Gets VOMS information from the given extension

Parameters

ext The extension to parse.
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_RetrieveFromAC (AC * ac, struct vomsdata * vd, int * error) [extern]

Gets VOMS information from an existing globus proxy

Parameters

ac AC from which to get the credentials
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_RetrieveFromCred (gss_cred_id_t cred, int how, struct vomsdata * vd, int * error) [extern]

Gets VOMS information from the given globus credential

Parameters

cred The credential from which to retrieve the certificate.
how Recursion type
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_RetrieveFromCtx (gss_ctx_id_t ctx, int how, struct vomsdata * vd, int * error) [extern]

Gets VOMS information from the given globus context

Parameters

ctx The context from which to retrieve the certificate.
how Recursion type
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_RetrieveFromFile (FILE * file, int how, struct vomsdata * vd, int * error) [extern]

Gets VOMS information from the given globus credential

Parameters

file The file from which to retrieve the certificate.
how Recursion type
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_RetrieveFromProxy (int how, struct vomsdata * vd, int * error) [extern]

Gets VOMS information from an existing globus proxy

Parameters

how Recursion type
vd RETURN PARAMETER: contains the data returned by the connection
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_SetLifetime (int length, struct vomsdata * vd, int * error) [extern]

Set requested lifetime for VOMS_Contact() calls.

Parameters

length Lifetime requested.
vd RETURN PARAMETER: contains the modified data.
error RETURN PARAMETER: Qualifies the error message

Returns

failure (0) or success (<>0)

int VOMS_SetTimeout (int t, struct vomsdata * vd, int * error) [extern]

int VOMS_SetVerificationTime (time_t verificationtime, struct vomsdata * vd, int * error) [extern]

int VOMS_SetVerificationType (int type, struct vomsdata * vd, int * error) [extern]

Author

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Version 1.5.0 VOMS C API