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src/import-rpmdb.c
author J. Ali Harlow <ali@juiblex.co.uk>
Mon Feb 20 19:28:38 2012 +0000 (2012-02-20)
changeset 427 08b9c2e3cb37
parent 369 f8c27fe9fe63
child 438 fab0b8a61dcb
permissions -rw-r--r--
Overload --disable-shared to also build static executables. 
     1 /*

     2  * Copyright (C) 2008  Kristian Høgsberg <krh@redhat.com>

     3  * Copyright (C) 2008  Red Hat, Inc

     4  * Copyright (C) 2009  J. Ali Harlow <ali@juiblex.co.uk>

     5  *

     6  * This program is free software; you can redistribute it and/or modify

     7  * it under the terms of the GNU General Public License as published by

     8  * the Free Software Foundation; either version 2 of the License, or

     9  * (at your option) any later version.

    10  *

    11  * This program is distributed in the hope that it will be useful,

    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    14  * GNU General Public License for more details.

    15  *

    16  * You should have received a copy of the GNU General Public License along

    17  * with this program; if not, write to the Free Software Foundation, Inc.,

    18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

    19  */

    20 

    21 #include <stdio.h>

    22 #include <stddef.h>

    23 #include <string.h>

    24 #include <fcntl.h>

    25 #include <limits.h>

    26 #include <rpm/rpmlib.h>

    27 #include <rpm/rpmdb.h>

    28 

    29 #include "razor.h"

    30 

    31 union rpm_entry {

    32 	void *p;

    33 	char *string;

    34 	char **list;

    35 	uint32_t *flags;

    36 	uint32_t integer;

    37 };

    38 

    39 static uint32_t

    40 rpm_to_razor_flags(uint32_t flags)

    41 {

    42 	uint32_t razor_flags;

    43 

    44 	razor_flags = 0;

    45 	if (flags & RPMSENSE_LESS)

    46 		razor_flags |= RAZOR_PROPERTY_LESS;

    47 	if (flags & RPMSENSE_EQUAL)

    48 		razor_flags |= RAZOR_PROPERTY_EQUAL;

    49 	if (flags & RPMSENSE_GREATER)

    50 		razor_flags |= RAZOR_PROPERTY_GREATER;

    51 

    52 	if (flags & RPMSENSE_SCRIPT_PRE)

    53 		razor_flags |= RAZOR_PROPERTY_PRE;

    54 	if (flags & RPMSENSE_SCRIPT_POST)

    55 		razor_flags |= RAZOR_PROPERTY_POST;

    56 	if (flags & RPMSENSE_SCRIPT_PREUN)

    57 		razor_flags |= RAZOR_PROPERTY_PREUN;

    58 	if (flags & RPMSENSE_SCRIPT_POSTUN)

    59 		razor_flags |= RAZOR_PROPERTY_POSTUN;

    60 

    61 	return razor_flags;

    62 }

    63 

    64 static void

    65 add_properties(struct razor_importer *importer,

    66 	       uint32_t type_flags, Header h,

    67 	       int32_t name_tag, int32_t version_tag, int32_t flags_tag)

    68 {

    69 	union rpm_entry names, versions, flags;

    70 	int32_t i, type, count;

    71 

    72 	headerGetEntry(h, name_tag, &type, &names.p, &count);

    73 	headerGetEntry(h, version_tag, &type, &versions.p, &count);

    74 	headerGetEntry(h, flags_tag, &type, &flags.p, &count);

    75 

    76 	for (i = 0; i < count; i++)

    77 		razor_importer_add_property(importer,

    78 					    names.list[i],

    79 					    rpm_to_razor_flags (flags.flags[i]) | type_flags,

    80 					    versions.list[i]);

    81 }

    82 

    83 static void

    84 add_script(struct razor_importer *importer,

    85 	   uint32_t type_flags, Header h,

    86 	   int32_t program_tag, int32_t body_tag)

    87 {

    88 	union rpm_entry program, body;

    89 	int32_t type, count;

    90 

    91 	headerGetEntry(h, program_tag, &type, &program.p, &count);

    92 	headerGetEntry(h, body_tag, &type, &body.p, &count);

    93 

    94 	razor_importer_add_script(importer, type_flags,

    95 				  program.string, body.string);

    96 }

    97 

    98 struct razor_set *

    99 razor_set_create_from_rpmdb(void)

   100 {

   101 	struct razor_importer *importer;

   102 	rpmdbMatchIterator iter;

   103 	Header h;

   104 	int32_t type, count, i;

   105 	union rpm_entry name, epoch, version, release, arch;

   106 	union rpm_entry summary, description, url, license;

   107 	union rpm_entry basenames, dirnames, dirindexes;

   108 	union rpm_entry install_prefixes;

   109 	char filename[PATH_MAX], evr[128], buf[16];

   110 	rpmdb db;

   111 	int imported_count = 0;

   112 

   113 	rpmReadConfigFiles(NULL, NULL);

   114 

   115 	if (rpmdbOpen("", &db, O_RDONLY, 0644) != 0) {

   116 		fprintf(stderr, "cannot open rpm database\n");

   117 		exit(1);

   118 	}

   119 

   120 	importer = razor_importer_create();

   121 

   122 	iter = rpmdbInitIterator(db, 0, NULL, 0);

   123 	while (h = rpmdbNextIterator(iter), h != NULL) {

   124 		headerGetEntry(h, RPMTAG_NAME, &type, &name.p, &count);

   125 		headerGetEntry(h, RPMTAG_EPOCH, &type, &epoch.p, &count);

   126 		headerGetEntry(h, RPMTAG_VERSION, &type, &version.p, &count);

   127 		headerGetEntry(h, RPMTAG_RELEASE, &type, &release.p, &count);

   128 		headerGetEntry(h, RPMTAG_ARCH, &type, &arch.p, &count);

   129 		headerGetEntry(h, RPMTAG_SUMMARY, &type, &summary.p, &count);

   130 		headerGetEntry(h, RPMTAG_DESCRIPTION, &type, &description.p,

   131 			       &count);

   132 		headerGetEntry(h, RPMTAG_URL, &type, &url.p, &count);

   133 		headerGetEntry(h, RPMTAG_LICENSE, &type, &license.p, &count);

   134 

   135 		if (epoch.flags != NULL) {

   136 			snprintf(buf, sizeof buf, "%u", *epoch.flags);

   137 			razor_build_evr(evr, sizeof evr,

   138 					buf, version.string, release.string);

   139 		} else {

   140 			razor_build_evr(evr, sizeof evr,

   141 					NULL, version.string, release.string);

   142 		}

   143 

   144 		razor_importer_begin_package(importer,

   145 					     name.string, evr, arch.string);

   146 		razor_importer_add_details(importer, summary.string,

   147 					   description.string, url.string,

   148 					   license.string);

   149 

   150 		add_properties(importer, RAZOR_PROPERTY_REQUIRES, h,

   151 			       RPMTAG_REQUIRENAME,

   152 			       RPMTAG_REQUIREVERSION,

   153 			       RPMTAG_REQUIREFLAGS);

   154 

   155 		add_properties(importer, RAZOR_PROPERTY_PROVIDES, h,

   156 			       RPMTAG_PROVIDENAME,

   157 			       RPMTAG_PROVIDEVERSION,

   158 			       RPMTAG_PROVIDEFLAGS);

   159 

   160 		add_properties(importer, RAZOR_PROPERTY_OBSOLETES, h,

   161 			       RPMTAG_OBSOLETENAME,

   162 			       RPMTAG_OBSOLETEVERSION,

   163 			       RPMTAG_OBSOLETEFLAGS);

   164 

   165 		add_properties(importer, RAZOR_PROPERTY_CONFLICTS, h,

   166 			       RPMTAG_CONFLICTNAME,

   167 			       RPMTAG_CONFLICTVERSION,

   168 			       RPMTAG_CONFLICTFLAGS);

   169 

   170 		headerGetEntry(h, RPMTAG_BASENAMES, &type,

   171 			       &basenames.p, &count);

   172 		headerGetEntry(h, RPMTAG_DIRNAMES, &type,

   173 			       &dirnames.p, &count);

   174 		headerGetEntry(h, RPMTAG_DIRINDEXES, &type,

   175 			       &dirindexes.p, &count);

   176 		for (i = 0; i < count; i++) {

   177 			snprintf(filename, sizeof filename, "%s%s",

   178 				 dirnames.list[dirindexes.flags[i]],

   179 				 basenames.list[i]);

   180 			razor_importer_add_file(importer, filename);

   181 		}

   182 

   183 		add_script(importer, RAZOR_PROPERTY_PREUN, h,

   184 			   RPMTAG_PREUNPROG, RPMTAG_PREUN);

   185 

   186 		add_script(importer, RAZOR_PROPERTY_POSTUN, h,

   187 			   RPMTAG_POSTUNPROG, RPMTAG_POSTUN);

   188 

   189 		headerGetEntry(h, RPMTAG_INSTPREFIXES, &type,

   190 			       &install_prefixes.p, &count);

   191 		for (i = 0; i < count; i++)

   192 			razor_importer_add_install_prefix(importer,

   193 							  install_prefixes.list[i]);

   194 

   195 		razor_importer_finish_package(importer);

   196 

   197 		printf("\rimporting %d", ++imported_count);

   198 		fflush(stdout);

   199 	}

   200 

   201 	rpmdbClose(db);

   202 

   203 	printf("\nsaving\n");

   204 	return razor_importer_finish(importer);

   205 }
razor