aboutsummaryrefslogtreecommitdiffstats
path: root/parsehdlist.c
blob: 7dc329614ae55210b54e9bbc9410648c5000cf4a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <rpm/rpmlib.h>
#include <rpm/header.h>
#include <stdio.h>
#include <string.h>

#ifndef VERSION_STRING
#define VERSION_STRING "0.0"
#endif

/* static data for very simple list */
static struct {
  char *name;
  unsigned long hash_name;
  Header header;
} headers[16384];
static int count_headers = 0;

static int raw_hdlist = 0;
static int interactive_mode = 0;
static int print_quiet = 0;
static int print_name = 0;
static int print_group = 0;
static int print_provides = 0;
static int print_requires = 0;
static int print_conflicts = 0;
static int print_obsoletes = 0;
static int print_files = 0;
static int print_prereqs = 0;

static
unsigned long hash(char *str) {
  unsigned long result = 0;
  while (*str) {
    result += (result<<5) + (unsigned char)*str++;
  }
  return result;
}

static
char *get_name(Header header, int_32 tag) {
  int_32 type, count;
  char *name;

  headerGetEntry(header, tag, &type, (void **) &name, &count);
  return name;
}

static
void print_list(Header header, int_32 tag_name, char *format, char *name) {
  int_32 type, count;
  char **list;
  int i;

  headerGetEntry(header, tag_name, &type, (void **) &list, &count);

  if (list)
    for(i = 0; i < count; i++)
      printf(format, name, list[i]);
}

static
void print_list_flags(Header header, int_32 tag_name, int_32 tag_flags, int_32 tag_version, char *format, char *name) {
  int_32 type, count;
  char **list;
  int_32 *flags;
  char **list_evr;
  int i;

  headerGetEntry(header, tag_name, &type, (void **) &list, &count);
  headerGetEntry(header, tag_flags, &type, (void **) &flags, &count);
  headerGetEntry(header, tag_version, &type, (void **) &list_evr, &count);

  if (list)
    for(i = 0; i < count; i++) {
      printf(format, name, list[i]);
      if (list_evr[i]) {
	printf(" ");
	if (flags[i] & RPMSENSE_LESS) printf("<");
	if (flags[i] & RPMSENSE_GREATER) printf(">");
	if (flags[i] & RPMSENSE_EQUAL) printf("=");
	printf(" %s", list_evr[i]);
      }
      printf("\n");
    }
}

static
void print_list_prereqs(Header header, char *format, char *name) {
  int_32 type, count;
  char **list;
  int_32 *flags;
  int i;

  headerGetEntry(header, RPMTAG_REQUIRENAME, &type, (void **) &list, &count);
  headerGetEntry(header, RPMTAG_REQUIREFLAGS, &type, (void **) &flags, &count);

  if (flags && list)
    for(i = 0; i < count; i++)
      if (flags[i] & RPMSENSE_PREREQ) printf(format, name, list[i]);
}

static
void print_list_files(Header header, char *format, char *name) {
  int_32 type, count;
  char **list;
  char ** baseNames, ** dirNames;
  int_32 * dirIndexes;
  int i;

  headerGetEntry(header, RPMTAG_OLDFILENAMES, &type, (void **) &list, &count);

  if (list) {
    for (i = 0; i < count; i++) printf(format, name, list[i]);
  }

  headerGetEntry(header, RPMTAG_BASENAMES, &type, (void **) &baseNames, &count);
  headerGetEntry(header, RPMTAG_DIRINDEXES, &type, (void **) &dirIndexes, NULL);
  headerGetEntry(header, RPMTAG_DIRNAMES, &type, (void **) &dirNames, NULL);

  if (baseNames && dirNames && dirIndexes) {
    char buff[4096];
    for(i = 0; i < count; i++) {
      sprintf(buff, "%s%s", dirNames[dirIndexes[i]], baseNames[i]);
      printf(format, name, buff);
    }
  }
}

static
void print_help(void) {
  fprintf(stderr,
	  "parsehdlist version " VERSION_STRING "\n"
	  "Copyright (C) 2000 MandrakeSoft.\n"
	  "This is free software and may be redistributed under the terms of the GNU GPL.\n"
	  "\n"
	  "usage:\n"
	  "  --help          - print this help message.\n"
	  "  --raw           - assume raw hdlist (always the case for -).\n"
	  "  --interactive   - interactive mode (following options are taken from stdin\n"
	  "                    and output only the necessary data, end as emtpy line, not\n"
	  "                    compatible with any print tag commands).\n"
	  "  --quiet         - do not print tag name (default if no tag given on command\n"
	  "                    line, incompatible with interactive mode).\n"
	  "  --all           - print all tags (incompatible with interactive mode).\n"
	  "  --name          - print tag name: rpm filename (assumed if no tag given on\n"
	  "                    command line but without package name).\n"
	  "  --group         - print tag group: group.\n"
	  "  --provides      - print tag provides: all provides (mutliple lines).\n"
	  "  --requires      - print tag requires: all requires (multiple lines).\n"
	  "  --files         - print tag files: all files (multiple lines).\n"
	  "  --conflicts     - print tag conflicts: all conflicts (multiple lines).\n"
	  "  --obsoletes     - print tag obsoletes: all obsoletes (multiple lines).\n"
	  "  --prereqs       - print tag prereqs: all prereqs (multiple lines).\n"
	  "\n");
}

int main(int argc, char **argv) 
{
  int i;

  if (argc <= 1) {
    print_help();
    exit(1);
  }
  for (i = 1; i < argc; i++) {
    if (argv[i][0] == '-' && argv[i][1] == '-') {
      if (strcmp(argv[i], "--help") == 0) {
	print_help();
	exit(0);
      } else if (strcmp(argv[i], "--raw") == 0)       raw_hdlist = 1;
      else if (strcmp(argv[i], "--interactive") == 0) interactive_mode = 1;
      else if (strcmp(argv[i], "--quiet") == 0)       print_quiet = 1;
      else if (strcmp(argv[i], "--name") == 0)        print_name = 1;
      else if (strcmp(argv[i], "--group") == 0)       print_group = 1;
      else if (strcmp(argv[i], "--provides") == 0)    print_provides = 1;
      else if (strcmp(argv[i], "--requires") == 0)    print_requires = 1;
      else if (strcmp(argv[i], "--files") == 0)       print_files = 1;
      else if (strcmp(argv[i], "--conflicts") == 0)   print_conflicts = 1;
      else if (strcmp(argv[i], "--obsoletes") == 0)   print_obsoletes = 1;
      else if (strcmp(argv[i], "--prereqs") == 0)     print_prereqs = 1;
      else if (strcmp(argv[i], "--all") == 0) {
	print_name = 1;
	print_group = 1;
	print_provides = 1;
	print_requires = 1;
	print_files = 1;
	print_conflicts = 1;
	print_obsoletes = 1;
	print_prereqs = 1;
      } else {
	fprintf(stderr, "parsehdlist: unknown option %s\n", argv[i]);
      }
    } else {
      FD_t fd;
      pid_t pid = 0;
      if (strcmp(argv[i], "-") == 0) fd = fdDup(STDIN_FILENO);
      else if (raw_hdlist)           fd = fdOpen(argv[i], O_RDONLY, 0);
      else {
	int fdno[2];
	if (!pipe(fdno)) {
	  if ((pid = fork()) != 0) {
	    fd = fdDup(fdno[0]);
	    close(fdno[0]);
	    close(fdno[1]);
	  } else {
	    dup2(fdno[1], STDOUT_FILENO);
	    execl("/usr/bin/packdrake", "/usr/bin/packdrake", "-c", argv[i], NULL);
	    perror("packdrake: unable to run packdrake");
	    exit(2);
	  }
	} else {
	  fprintf(stderr, "packdrake: unable to create pipe for packdrake\n");
	}
      }
      if (fdFileno(fd) < 0) fprintf(stderr, "parsehdlist: cannot open file %s\n", argv[i]);
      else  {
	Header header;

	while ((header=headerRead(fd, HEADER_MAGIC_YES))) {
	  char *name = get_name(header, RPMTAG_NAME);

	  if (interactive_mode) {
	    headers[count_headers].name = name;
	    headers[count_headers].hash_name = hash(name);
	    headers[count_headers].header = header;

	    ++count_headers;
	  } else {
	    if (print_provides) print_list(header, RPMTAG_PROVIDENAME, print_quiet ? "%s:%s\n" : "%s:provides:%s\n", name);
	    if (print_requires) print_list_flags(header, RPMTAG_REQUIRENAME, RPMTAG_REQUIREFLAGS, RPMTAG_REQUIREVERSION,
						 print_quiet ? "%s:%s" : "%s:requires:%s", name);
	    if (print_conflicts) print_list_flags(header, RPMTAG_CONFLICTNAME, RPMTAG_CONFLICTFLAGS, RPMTAG_CONFLICTVERSION,
						  print_quiet ? "%s:%s" : "%s:conflicts:%s", name);
	    if (print_obsoletes) print_list_flags(header, RPMTAG_OBSOLETENAME, RPMTAG_OBSOLETEFLAGS, RPMTAG_OBSOLETEVERSION,
						  print_quiet ? "%s:%s" : "%s:obsoletes:%s", name);
	    if (print_files) print_list_files(header, print_quiet ? "%s:%s\n" : "%s:files:%s\n", name);
	    if (print_prereqs) print_list_prereqs(header, print_quiet ? "%s:%s\n" : "%s:prereqs:%s\n", name);
	    if (print_group) printf(print_quiet ? "%s:%s\n" : "%s:group:%s\n", name, get_name(header, RPMTAG_GROUP));
	    if (print_name || (print_provides | print_requires | print_files | print_conflicts | print_obsoletes | print_prereqs |
			       print_group) == 0) {
	      if (print_name) printf(print_quiet ? "%s:" : "%s:name:", name);
	      printf("%s-%s-%s.%s.rpm\n", 
		     name,
		     get_name(header, RPMTAG_VERSION),
		     get_name(header, RPMTAG_RELEASE),
		     get_name(header, RPMTAG_ARCH));
	    }
	    headerFree(header);
	  }
	}
      }
      fdClose(fd);
      if (pid) {
	waitpid(pid, NULL, 0);
	pid = 0;
      }
    }
  }

  /* interactive mode */
  if (interactive_mode) {
    do {
      char in_name[4096];
      char *in_tag;
      int i;
      unsigned long hash_in_name;

      if (!fgets(in_name, sizeof(in_name), stdin)) break;
      if ((in_tag = strchr(in_name, ':')) == NULL) break;
      *in_tag++ = 0;
      hash_in_name = hash(in_name);
      for (i = 0; i < count_headers; ++i) {
	if (headers[i].hash_name == hash_in_name && !strcmp(headers[i].name, in_name)) {
	  printf("found %s:%s\n", in_name, in_tag);
	  if (!strncmp(in_tag, "provides", 8)) print_list(headers[i].header, RPMTAG_PROVIDENAME, "%2$s\n", "");
	  else if (!strncmp(in_tag, "requires", 8)) print_list_flags(headers[i].header, RPMTAG_REQUIRENAME, RPMTAG_REQUIREFLAGS,
								     RPMTAG_REQUIREVERSION,"%2$s", "");
	  else if (!strncmp(in_tag, "conflicts", 9)) print_list_flags(headers[i].header, RPMTAG_CONFLICTNAME, RPMTAG_CONFLICTFLAGS,
								      RPMTAG_CONFLICTVERSION, "%2$s", "");
	  else if (!strncmp(in_tag, "obsoletes", 9)) print_list_flags(headers[i].header, RPMTAG_OBSOLETENAME, RPMTAG_OBSOLETEFLAGS,
								      RPMTAG_OBSOLETEVERSION,"%2$s", "");
	  else if (!strncmp(in_tag, "files", 5)) print_list_files(headers[i].header, "%2$s\n", "");
	  else if (!strncmp(in_tag, "prereqs", 7)) print_list_prereqs(headers[i].header, "%2$s\n", "");
	  else if (!strncmp(in_tag, "group", 5)) printf("%s\n", get_name(headers[i].header, RPMTAG_GROUP));
	  else if (!strncmp(in_tag, "name", 4)) printf("%s-%s-%s.%s.rpm\n", 
						       get_name(headers[i].header, RPMTAG_NAME),
						       get_name(headers[i].header, RPMTAG_VERSION),
						       get_name(headers[i].header, RPMTAG_RELEASE),
						       get_name(headers[i].header, RPMTAG_ARCH));
	}
      }
      printf("\n");
      fflush(stdout);
    } while (1);
  }

  return 0;
}