mirror of
https://github.com/Unidata/netcdf-c.git
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6b69b9c52c
## S3 Related Fixes * Add comprehensive support for specifying AWS profiles to provide access credentials. * Parse the files "~/.aws/config" and "~/.aws/credentials to provide credentials for the HDF5 ROS3 driver and to locate default region. * Add a function to obtain the currently active S3 credentials. The search rules are defined in docs/nczarr.md. * Provide documentation for the new features. * Modify the struct NCauth (in include/ncauth.h) to replace specific S3 credentials with a profile name. * Add a unit test to test the operation of profile and credentials management. * Add support for URLS of the form "s3://<bucket>/<key>"; this requires obtaining a default region. * Allows the specification of profile and/or region in a URL of the form "#mode=nczarr,...&aws.region=...&aws.profile=..." ## Misc. Fixes * Move the ezxml code to libdispatch so that it can be used both by DAP4 and nczarr. * Modify nclist to provide a deep clone operation. * Modify ncuri to provide a deep clone operation. * Modify the .rc file format to allow the specification of a path to be tested when looking for an entry in the .rc file. * Ensure that the NC_rcload function is called. * Modify nchttp to support setting request headers.
126 lines
4.1 KiB
C
126 lines
4.1 KiB
C
/*
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* Copyright 2018, University Corporation for Atmospheric Research
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*/
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#ifndef NCURI_H
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#define NCURI_H
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#include "ncexternl.h"
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/* Define flags to control what is included by ncuribuild*/
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#define NCURIPATH 1
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#define NCURIPWD 2
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#define NCURIQUERY 4
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#define NCURIFRAG 8
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#define NCURIENCODEPATH 16 /* If output url path should be encoded */
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#define NCURIENCODEQUERY 32 /* If output url query should be encoded */
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#define NCURIENCODE (NCURIENCODEPATH|NCURIENCODEQUERY)
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#define NCURIBASE (NCURIPWD|NCURIPATH)
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#define NCURISVC (NCURIQUERY|NCURIBASE) /* for sending to server */
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#define NCURIALL (NCURIPATH|NCURIPWD|NCURIQUERY|NCURIFRAG) /* for rebuilding after changes */
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/*! This is an open structure meaning
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it is ok to directly access its fields
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*/
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typedef struct NCURI {
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char* uri; /* copy of url as passed by the caller */
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char* protocol;
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char* user; /* from user:password@ */
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char* password; /* from user:password@ */
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char* host; /*!< host*/
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char* port; /*!< port */
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char* path; /*!< path */
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char* query; /*!< query */
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char* fragment; /*!< fragment */
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char** fraglist; /* envv style list of decomposed fragment*/
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char** querylist; /* envv style list of decomposed query*/
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#if 0
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char* projection; /*!< without leading '?'*/
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char* selection; /*!< with leading '&'*/
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#endif
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} NCURI;
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#if 0
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/* Declaration modifiers for DLL support (MSC et al) */
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#if defined(DLL_NETCDF) /* define when library is a DLL */
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# if defined(DLL_EXPORT) /* define when building the library */
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# define MSC_EXTRA __declspec(dllexport)
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# else
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# define MSC_EXTRA __declspec(dllimport)
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# endif
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# include <io.h>
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#else
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#define MSC_EXTRA /**< Needed for DLL build. */
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#endif /* defined(DLL_NETCDF) */
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#define EXTERNL MSC_EXTRA extern /**< Needed for DLL build. */
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#endif
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#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
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extern "C" {
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#endif
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EXTERNL int ncuriparse(const char* s, NCURI** ncuri);
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EXTERNL void ncurifree(NCURI* ncuri);
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/* Replace the protocol */
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EXTERNL int ncurisetprotocol(NCURI*,const char* newprotocol);
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/* Replace the host */
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EXTERNL int ncurisethost(NCURI*,const char* newhost);
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/* Replace the path */
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EXTERNL int ncurisetpath(NCURI*,const char* newpath);
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/* Replace the constraints */
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EXTERNL int ncurisetquery(NCURI*,const char* query);
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/* Replace the fragment list */
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EXTERNL int ncurisetfragments(NCURI*, const char* fragments);
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/* Replace a specific &key=...& in uri fragment */
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EXTERNL int ncurisetfragmentkey(NCURI* duri,const char* key, const char* value);
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/* append a specific &key=...& in uri fragment */
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EXTERNL int ncuriappendfragmentkey(NCURI* duri,const char* key, const char* value);
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/* Construct a complete NC URI; caller frees returned string */
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EXTERNL char* ncuribuild(NCURI*,const char* prefix, const char* suffix, int flags);
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/*! Search the fragment for a given parameter
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Null result => entry not found; !NULL=>found;
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In any case, the result is imutable and should not be free'd.
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*/
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EXTERNL const char* ncurifragmentlookup(NCURI*, const char* param);
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/*! Search the query for a given parameter
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Null result => entry not found; !NULL=>found;
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In any case, the result is imutable and should not be free'd.
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*/
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EXTERNL const char* ncuriquerylookup(NCURI*, const char* param);
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/* Obtain the complete list of fragment pairs in envv format */
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EXTERNL const char** ncurifragmentparams(NCURI*);
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/* Obtain the complete list of query pairs in envv format */
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EXTERNL const char** ncuriqueryparams(NCURI*);
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/* URL Encode/Decode */
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EXTERNL char* ncuridecode(const char* s);
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/* Partial decode */
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EXTERNL char* ncuridecodepartial(const char* s, const char* decodeset);
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/* Encode using specified character set */
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EXTERNL char* ncuriencodeonly(const char* s, const char* allowable);
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/* Encode user or pwd */
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EXTERNL char* ncuriencodeuserpwd(const char* s);
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/* Deep clone a uri */
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EXTERNL NCURI* ncuriclone(NCURI*);
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#if defined(_CPLUSPLUS_) || defined(__CPLUSPLUS__) || defined(__CPLUSPLUS)
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}
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#endif
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#endif /*NCURI_H*/
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