1 /* pkg_parse.c - the itsy package management system
5 Copyright (C) 2002 Compaq Computer Corporation
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2, or (at
10 your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
23 #include "opkg_utils.h"
24 #include "pkg_parse.h"
26 int isGenericFieldType(char * type, char * line)
28 if(!strncmp(line, type, strlen(type)))
33 char * parseGenericFieldType(char * type, char * raw)
35 char * field_value = raw + (strlen(type) + 1);
36 return trim_alloc(field_value);
39 void parseStatus(pkg_t *pkg, char * raw)
41 char sw_str[64], sf_str[64], ss_str[64];
43 sscanf(raw, "Status: %s %s %s", sw_str, sf_str, ss_str);
44 pkg->state_want = pkg_state_want_from_str(sw_str);
45 pkg->state_flag = pkg_state_flag_from_str(sf_str);
46 pkg->state_status = pkg_state_status_from_str(ss_str);
49 char ** parseDependsString(char * raw, int * depends_count)
51 char ** depends = NULL;
53 char buff[2048], * dest;
55 while(raw && *raw && !isspace(*raw)) {
59 if(line_is_blank(raw)){
60 *depends_count = line_count;
64 depends = (char **)realloc(depends, sizeof(char *) * (line_count + 1));
66 while(isspace(*raw)) raw++;
69 while((*raw != ',') && *raw)
73 depends[line_count] = trim_alloc(buff);
74 if(depends[line_count] ==NULL)
80 *depends_count = line_count;
84 void parseConffiles(pkg_t * pkg, char * raw)
86 char file_name[1048], md5sum[1048]; /* please tell me there aren't any longer that 1k */
88 if(!strncmp(raw, "Conffiles:", 10))
89 raw += strlen("Conffiles:");
91 while(*raw && (sscanf(raw, "%s%s", file_name, md5sum) == 2)){
92 conffile_list_append(&pkg->conffiles, file_name, md5sum);
93 /* fprintf(stderr, "%s %s ", file_name, md5sum);*/
94 while (*raw && isspace(*raw)) {
97 raw += strlen(file_name);
98 while (*raw && isspace(*raw)) {
101 raw += strlen(md5sum);
105 int parseVersion(pkg_t *pkg, char *raw)
107 char *colon, *eepochcolon;
108 #ifdef USE_DEBVERSION
114 fprintf(stderr, "%s: ERROR: version string is empty", __FUNCTION__);
118 if (strncmp(raw, "Version:", 8) == 0) {
121 while (*raw && isspace(*raw)) {
125 colon= strchr(raw,':');
127 epoch= strtoul(raw,&eepochcolon,10);
128 if (colon != eepochcolon) {
129 fprintf(stderr, "%s: ERROR: epoch in version is not number", __FUNCTION__);
133 fprintf(stderr, "%s: ERROR: nothing after colon in version number", __FUNCTION__);
143 pkg->familiar_revision = "";
145 pkg->version= malloc(strlen(raw)+1);
146 if ( pkg->version == NULL ) {
147 fprintf(stderr, "%s: out of memory \n", __FUNCTION__);
150 strcpy(pkg->version, raw);
152 #ifdef USE_DEBVERSION
153 hyphen= strrchr(pkg->version,'-');
157 if (strncmp("fam", hyphen, 3) == 0) {
158 pkg->familiar_revision=hyphen+3;
159 hyphen= strrchr(pkg->version,'-');
162 pkg->revision = hyphen;
165 pkg->revision = hyphen;
171 fprintf(stderr,"Parsed version: %lu, %s, %s, %s\n",
175 pkg->familiar_revision);
182 /* This code is needed to insert in first position the keyword for the aligning bug */
184 int alterProvidesLine(char *raw, char *temp)
189 fprintf(stderr, "%s: ERROR: Provides string is empty", __FUNCTION__);
193 if ( temp == NULL ) {
194 fprintf(stderr, "%s: out of memory \n", __FUNCTION__);
198 if (strncmp(raw, "Provides:", 9) == 0) {
201 while (*raw && isspace(*raw)) {
205 snprintf ( temp, 35, "Provides: opkg_internal_use_only, "); /* First part of the line */
207 strncat( temp, raw++, 1);
213 /* Some random thoughts from Carl:
215 This function could be considerably simplified if we just kept
216 an array of all the generic string-valued field names, and looped
217 through those looking for a match. Also, these fields could perhaps
218 be stored in the package as an array as well, (or, probably better,
219 as an nv_pair_list_t).
221 Fields which require special parsing or storage, (such as Depends:
222 and Status:) could be handled as they are now.
224 /* XXX: FEATURE: The Suggests: field needs to be changed from a string
225 to a dependency list. And, since we already have
226 Depends/Pre-Depends and need to add Conflicts, Recommends, and
227 Enhances, perhaps we could generalize all of these and save some
230 int pkg_parse_raw(pkg_t *pkg, char ***raw, pkg_src_t *src, pkg_dest_t *dest)
232 int reading_conffiles, reading_description;
233 int pkg_false_provides=1;
240 reading_conffiles = reading_description = 0;
242 for (lines = *raw; *lines; lines++) {
243 /* fprintf(stderr, "PARSING %s\n", *lines);*/
246 if(isGenericFieldType("Package:", *lines))
247 pkg->name = parseGenericFieldType("Package", *lines);
248 else if(isGenericFieldType("Priority:", *lines))
249 pkg->priority = parseGenericFieldType("Priority", *lines);
250 else if(isGenericFieldType("Provides", *lines)){
251 /* Here we add the internal_use to align the off by one problem between provides_str and provides */
252 provide = (char * ) malloc(strlen(*lines)+ 35 ); /* Preparing the space for the new opkg_internal_use_only */
253 if ( alterProvidesLine(*lines,provide) ){
256 pkg->provides_str = parseDependsString( provide, &pkg->provides_count);
257 /* Let's try to hack a bit here.
258 The idea is that if a package has no Provides, we would add one generic, to permit the check of dependencies
259 in alot of other places. We will remove it before writing down the status database */
260 pkg_false_provides=0;
263 else if(isGenericFieldType("Pre-Depends", *lines))
264 pkg->pre_depends_str = parseDependsString(*lines, &pkg->pre_depends_count);
268 if(isGenericFieldType("Architecture:", *lines))
269 pkg->architecture = parseGenericFieldType("Architecture", *lines);
273 if(isGenericFieldType("Filename:", *lines))
274 pkg->filename = parseGenericFieldType("Filename", *lines);
278 if(isGenericFieldType("Section:", *lines))
279 pkg->section = parseGenericFieldType("Section", *lines);
280 else if(isGenericFieldType("Size:", *lines))
281 pkg->size = parseGenericFieldType("Size", *lines);
282 else if(isGenericFieldType("Source:", *lines))
283 pkg->source = parseGenericFieldType("Source", *lines);
284 else if(isGenericFieldType("Status", *lines))
285 parseStatus(pkg, *lines);
286 else if(isGenericFieldType("Suggests", *lines))
287 pkg->suggests_str = parseDependsString(*lines, &pkg->suggests_count);
291 if(isGenericFieldType("MD5sum:", *lines))
292 pkg->md5sum = parseGenericFieldType("MD5sum", *lines);
293 /* The old opkg wrote out status files with the wrong case for MD5sum,
294 let's parse it either way */
295 else if(isGenericFieldType("MD5Sum:", *lines))
296 pkg->md5sum = parseGenericFieldType("MD5Sum", *lines);
297 else if(isGenericFieldType("Maintainer", *lines))
298 pkg->maintainer = parseGenericFieldType("Maintainer", *lines);
302 if(isGenericFieldType("Installed-Size:", *lines))
303 pkg->installed_size = parseGenericFieldType("Installed-Size", *lines);
304 else if(isGenericFieldType("Installed-Time:", *lines)) {
305 char *time_str = parseGenericFieldType("Installed-Time", *lines);
306 pkg->installed_time = strtoul(time_str, NULL, 0);
311 if(isGenericFieldType("Essential:", *lines)) {
312 char *essential_value;
313 essential_value = parseGenericFieldType("Essential", *lines);
314 if (strcmp(essential_value, "yes") == 0) {
317 free(essential_value);
322 if(isGenericFieldType("Version", *lines))
323 parseVersion(pkg, *lines);
327 if(isGenericFieldType("Conffiles", *lines)){
328 parseConffiles(pkg, *lines);
329 reading_conffiles = 1;
331 else if(isGenericFieldType("Conflicts", *lines))
332 pkg->conflicts_str = parseDependsString(*lines, &pkg->conflicts_count);
336 if(isGenericFieldType("Description", *lines)) {
337 pkg->description = parseGenericFieldType("Description", *lines);
338 reading_conffiles = 0;
339 reading_description = 1;
341 else if(isGenericFieldType("Depends", *lines))
342 pkg->depends_str = parseDependsString(*lines, &pkg->depends_count);
346 if(isGenericFieldType("Recommends", *lines))
347 pkg->recommends_str = parseDependsString(*lines, &pkg->recommends_count);
348 else if(isGenericFieldType("Replaces", *lines))
349 pkg->replaces_str = parseDependsString(*lines, &pkg->replaces_count);
354 if(reading_description) {
355 /* we already know it's not blank, so the rest of description */
356 pkg->description = realloc(pkg->description,
357 strlen(pkg->description)
358 + 1 + strlen(*lines) + 1);
359 strcat(pkg->description, "\n");
360 strcat(pkg->description, (*lines));
362 else if(reading_conffiles)
363 parseConffiles(pkg, *lines);
368 if(line_is_blank(*lines)) {
377 /* If the ipk has not a Provides line, we insert our false line */
378 if ( pkg_false_provides==1)
379 pkg->provides_str = parseDependsString ((char *)"Provides: opkg_internal_use_only ", &pkg->provides_count);
388 int pkg_valorize_other_field(pkg_t *pkg, char ***raw)
392 for (lines = *raw; *lines; lines++) {
393 if(isGenericFieldType("Essential:", *lines)) {
394 char *essential_value;
395 essential_value = parseGenericFieldType("Essential", *lines);
396 if (strcmp(essential_value, "yes") == 0) {
399 free(essential_value);