1 /*
2 * Copyright (c) 2007, Novell Inc.
3 *
4 * This program is licensed under the BSD license, read LICENSE.BSD
5 * for further information
6 */
7
8 #define _GNU_SOURCE
9 #include <sys/types.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <string.h>
13
14 #include "pool.h"
15 #include "repo.h"
16 #include "chksum.h"
17 #include "solv_xmlparser.h"
18 #include "repo_deltainfoxml.h"
19
20 /*
21 * <deltainfo>
22 * <newpackage name="libtool" epoch="0" version="1.5.24" release="6.fc9" arch="i386">
23 * <delta oldepoch="0" oldversion="1.5.24" oldrelease="3.fc8">
24 * <filename>DRPMS/libtool-1.5.24-3.fc8_1.5.24-6.fc9.i386.drpm</filename>
25 * <sequence>libtool-1.5.24-3.fc8-d3571f98b048b1a870e40241bb46c67ab4</sequence>
26 * <size>22452</size>
27 * <checksum type="sha">8f05394695dee9399c204614e21e5f6848990ab7</checksum>
28 * </delta>
29 * <delta oldepoch="0" oldversion="1.5.22" oldrelease="11.fc7">
30 * <filename>DRPMS/libtool-1.5.22-11.fc7_1.5.24-6.fc9.i386.drpm</filename>
31 * <sequence>libtool-1.5.22-11.fc7-e82691677eee1e83b4812572c5c9ce8eb</sequence>
32 * <size>110362</size>
33 * <checksum type="sha">326658fee45c0baec1e70231046dbaf560f941ce</checksum>
34 * </delta>
35 * </newpackage>
36 * </deltainfo>
37 */
38
39 enum state {
40 STATE_START,
41 STATE_NEWPACKAGE, /* 1 */
42 STATE_DELTA, /* 2 */
43 STATE_FILENAME, /* 3 */
44 STATE_SEQUENCE, /* 4 */
45 STATE_SIZE, /* 5 */
46 STATE_CHECKSUM, /* 6 */
47 STATE_LOCATION, /* 7 */
48 NUMSTATES
49 };
50
51 static struct solv_xmlparser_element stateswitches[] = {
52 /* compatibility with old yum-presto */
53 { STATE_START, "prestodelta", STATE_START, 0 },
54 { STATE_START, "deltainfo", STATE_START, 0 },
55 { STATE_START, "newpackage", STATE_NEWPACKAGE, 0 },
56 { STATE_NEWPACKAGE, "delta", STATE_DELTA, 0 },
57 /* compatibility with yum-presto */
58 { STATE_DELTA, "filename", STATE_FILENAME, 1 },
59 { STATE_DELTA, "location", STATE_LOCATION, 0 },
60 { STATE_DELTA, "sequence", STATE_SEQUENCE, 1 },
61 { STATE_DELTA, "size", STATE_SIZE, 1 },
62 { STATE_DELTA, "checksum", STATE_CHECKSUM, 1 },
63 { NUMSTATES }
64 };
65
66 /* Cumulated info about the current deltarpm or patchrpm */
67 struct deltarpm {
68 char *location;
69 char *locbase;
70 unsigned int buildtime;
71 unsigned long long downloadsize;
72 char *filechecksum;
73 int filechecksumtype;
74 /* Baseversion. deltarpm only has one. */
75 Id *bevr;
76 unsigned nbevr;
77 Id seqname;
78 Id seqevr;
79 char *seqnum;
80 };
81
82 struct parsedata {
83 int ret;
84 Pool *pool;
85 Repo *repo;
86 Repodata *data;
87
88 struct deltarpm delta;
89 Id newpkgevr;
90 Id newpkgname;
91 Id newpkgarch;
92
93 Id *handles;
94 int nhandles;
95
96 struct solv_xmlparser xmlp;
97 };
98
99
100 /*
101 * create evr (as Id) from 'epoch', 'version' and 'release' attributes
102 */
103
104 static Id
makeevr_atts(Pool * pool,struct parsedata * pd,const char ** atts)105 makeevr_atts(Pool *pool, struct parsedata *pd, const char **atts)
106 {
107 const char *e, *v, *r, *v2;
108 char *c, *space;
109 int l;
110
111 e = v = r = 0;
112 for (; *atts; atts += 2)
113 {
114 if (!strcmp(*atts, "oldepoch"))
115 e = atts[1];
116 else if (!strcmp(*atts, "epoch"))
117 e = atts[1];
118 else if (!strcmp(*atts, "version"))
119 v = atts[1];
120 else if (!strcmp(*atts, "oldversion"))
121 v = atts[1];
122 else if (!strcmp(*atts, "release"))
123 r = atts[1];
124 else if (!strcmp(*atts, "oldrelease"))
125 r = atts[1];
126 }
127 if (e && (!*e || !strcmp(e, "0")))
128 e = 0;
129 if (v && !e)
130 {
131 for (v2 = v; *v2 >= '0' && *v2 <= '9'; v2++)
132 ;
133 if (v2 > v && *v2 == ':')
134 e = "0";
135 }
136 l = 1;
137 if (e)
138 l += strlen(e) + 1;
139 if (v)
140 l += strlen(v);
141 if (r)
142 l += strlen(r) + 1;
143 c = space = solv_xmlparser_contentspace(&pd->xmlp, l);
144 if (e)
145 {
146 strcpy(c, e);
147 c += strlen(c);
148 *c++ = ':';
149 }
150 if (v)
151 {
152 strcpy(c, v);
153 c += strlen(c);
154 }
155 if (r)
156 {
157 *c++ = '-';
158 strcpy(c, r);
159 c += strlen(c);
160 }
161 *c = 0;
162 if (!*space)
163 return 0;
164 #if 0
165 fprintf(stderr, "evr: %s\n", space);
166 #endif
167 return pool_str2id(pool, space, 1);
168 }
169
170 static void
startElement(struct solv_xmlparser * xmlp,int state,const char * name,const char ** atts)171 startElement(struct solv_xmlparser *xmlp, int state, const char *name, const char **atts)
172 {
173 struct parsedata *pd = xmlp->userdata;
174 Pool *pool = pd->pool;
175 const char *str;
176
177 switch(state)
178 {
179 case STATE_NEWPACKAGE:
180 if ((str = solv_xmlparser_find_attr("name", atts)) != 0)
181 pd->newpkgname = pool_str2id(pool, str, 1);
182 pd->newpkgevr = makeevr_atts(pool, pd, atts);
183 if ((str = solv_xmlparser_find_attr("arch", atts)) != 0)
184 pd->newpkgarch = pool_str2id(pool, str, 1);
185 break;
186
187 case STATE_DELTA:
188 memset(&pd->delta, 0, sizeof(pd->delta));
189 pd->delta.bevr = solv_extend(pd->delta.bevr, pd->delta.nbevr, 1, sizeof(Id), 7);
190 pd->delta.bevr[pd->delta.nbevr++] = makeevr_atts(pool, pd, atts);
191 break;
192
193 case STATE_FILENAME:
194 if ((str = solv_xmlparser_find_attr("xml:base", atts)))
195 pd->delta.locbase = solv_strdup(str);
196 break;
197
198 case STATE_LOCATION:
199 pd->delta.location = solv_strdup(solv_xmlparser_find_attr("href", atts));
200 if ((str = solv_xmlparser_find_attr("xml:base", atts)))
201 pd->delta.locbase = solv_strdup(str);
202 break;
203
204 case STATE_CHECKSUM:
205 pd->delta.filechecksum = 0;
206 pd->delta.filechecksumtype = REPOKEY_TYPE_SHA1;
207 if ((str = solv_xmlparser_find_attr("type", atts)) != 0)
208 {
209 pd->delta.filechecksumtype = solv_chksum_str2type(str);
210 if (!pd->delta.filechecksumtype)
211 pool_debug(pool, SOLV_ERROR, "unknown checksum type: '%s'\n", str);
212 }
213 break;
214
215 default:
216 break;
217 }
218 }
219
220
221 static void
endElement(struct solv_xmlparser * xmlp,int state,char * content)222 endElement(struct solv_xmlparser *xmlp, int state, char *content)
223 {
224 struct parsedata *pd = xmlp->userdata;
225 Pool *pool = pd->pool;
226 const char *str;
227
228 switch (state)
229 {
230 case STATE_DELTA:
231 {
232 /* read all data for a deltarpm. commit into attributes */
233 Id handle;
234 struct deltarpm *d = &pd->delta;
235
236 handle = repodata_new_handle(pd->data);
237 /* we commit all handles later on in one go so that the
238 * repodata code doesn't need to realloc every time */
239 pd->handles = solv_extend(pd->handles, pd->nhandles, 1, sizeof(Id), 63);
240 pd->handles[pd->nhandles++] = handle;
241 repodata_set_id(pd->data, handle, DELTA_PACKAGE_NAME, pd->newpkgname);
242 repodata_set_id(pd->data, handle, DELTA_PACKAGE_EVR, pd->newpkgevr);
243 repodata_set_id(pd->data, handle, DELTA_PACKAGE_ARCH, pd->newpkgarch);
244 if (d->location)
245 {
246 repodata_set_deltalocation(pd->data, handle, 0, 0, d->location);
247 if (d->locbase)
248 repodata_set_poolstr(pd->data, handle, DELTA_LOCATION_BASE, d->locbase);
249 }
250 if (d->downloadsize)
251 repodata_set_num(pd->data, handle, DELTA_DOWNLOADSIZE, d->downloadsize);
252 if (d->filechecksum)
253 repodata_set_checksum(pd->data, handle, DELTA_CHECKSUM, d->filechecksumtype, d->filechecksum);
254 if (d->seqnum)
255 {
256 repodata_set_id(pd->data, handle, DELTA_BASE_EVR, d->bevr[0]);
257 repodata_set_id(pd->data, handle, DELTA_SEQ_NAME, d->seqname);
258 repodata_set_id(pd->data, handle, DELTA_SEQ_EVR, d->seqevr);
259 /* should store as binary blob! */
260 repodata_set_str(pd->data, handle, DELTA_SEQ_NUM, d->seqnum);
261 }
262 }
263 pd->delta.filechecksum = solv_free(pd->delta.filechecksum);
264 pd->delta.bevr = solv_free(pd->delta.bevr);
265 pd->delta.nbevr = 0;
266 pd->delta.seqnum = solv_free(pd->delta.seqnum);
267 pd->delta.location = solv_free(pd->delta.location);
268 pd->delta.locbase = solv_free(pd->delta.locbase);
269 break;
270 case STATE_FILENAME:
271 pd->delta.location = solv_strdup(content);
272 break;
273 case STATE_CHECKSUM:
274 pd->delta.filechecksum = solv_strdup(content);
275 break;
276 case STATE_SIZE:
277 pd->delta.downloadsize = strtoull(content, 0, 10);
278 break;
279 case STATE_SEQUENCE:
280 if ((str = content) != 0)
281 {
282 const char *s1, *s2;
283 s1 = strrchr(str, '-');
284 if (s1)
285 {
286 for (s2 = s1 - 1; s2 > str; s2--)
287 if (*s2 == '-')
288 break;
289 if (*s2 == '-')
290 {
291 for (s2 = s2 - 1; s2 > str; s2--)
292 if (*s2 == '-')
293 break;
294 if (*s2 == '-')
295 {
296 pd->delta.seqevr = pool_strn2id(pool, s2 + 1, s1 - s2 - 1, 1);
297 pd->delta.seqname = pool_strn2id(pool, str, s2 - str, 1);
298 str = s1 + 1;
299 }
300 }
301 }
302 pd->delta.seqnum = solv_strdup(str);
303 }
304 default:
305 break;
306 }
307 }
308
309 int
repo_add_deltainfoxml(Repo * repo,FILE * fp,int flags)310 repo_add_deltainfoxml(Repo *repo, FILE *fp, int flags)
311 {
312 Pool *pool = repo->pool;
313 Repodata *data;
314 struct parsedata pd;
315 int i;
316
317 data = repo_add_repodata(repo, flags);
318
319 memset(&pd, 0, sizeof(pd));
320 pd.pool = pool;
321 pd.repo = repo;
322 pd.data = data;
323 solv_xmlparser_init(&pd.xmlp, stateswitches, &pd, startElement, endElement);
324 if (solv_xmlparser_parse(&pd.xmlp, fp) != SOLV_XMLPARSER_OK)
325 pd.ret = pool_error(pd.pool, -1, "repo_deltainfoxml: %s at line %u:%u", pd.xmlp.errstr, pd.xmlp.line, pd.xmlp.column);
326 solv_xmlparser_free(&pd.xmlp);
327
328 /* now commit all handles */
329 if (!pd.ret)
330 for (i = 0; i < pd.nhandles; i++)
331 repodata_add_flexarray(pd.data, SOLVID_META, REPOSITORY_DELTAINFO, pd.handles[i]);
332 solv_free(pd.handles);
333
334 if (!(flags & REPO_NO_INTERNALIZE))
335 repodata_internalize(data);
336 return pd.ret;
337 }
338
339 /* EOF */
340