diff options
Diffstat (limited to 'src/package.c')
| -rw-r--r-- | src/package.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/src/package.c b/src/package.c new file mode 100644 index 00000000..69461f67 --- /dev/null +++ b/src/package.c @@ -0,0 +1,228 @@ +/* + * pacman + * + * Copyright (c) 2002 by Judd Vinet <jvinet@zeroflux.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#include "config.h" +#include <stdio.h> +#include <stdlib.h> +#include <limits.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include "list.h" +#include "package.h" +#include "db.h" +#include "util.h" +#include "pacman.h" + +extern tartype_t gztype; + +pkginfo_t* load_pkg(char *pkgfile, unsigned short output) +{ + char *expath; + char *descfile; + int i; + TAR *tar; + pkginfo_t *info = NULL; + PMList *backup = NULL; + PMList *lp; + + info = newpkg(); + descfile = strdup("/tmp/pacman_XXXXXX"); + + if(tar_open(&tar, pkgfile, &gztype, O_RDONLY, 0, TAR_GNU) == -1) { + perror("could not open package"); + return(NULL); + } + vprint("load_pkg: loading filelist from package...\n"); + for(i = 0; !th_read(tar); i++) { + if(!strcmp(th_get_pathname(tar), ".PKGINFO")) { + /* extract this file into /tmp. it has info for us */ + vprint("load_pkg: found package description file.\n"); + mkstemp(descfile); + tar_extract_file(tar, descfile); + /* parse the info file */ + parse_descfile(descfile, info, &backup, output); + if(!strlen(info->name)) { + fprintf(stderr, "error: missing package name in description file.\n"); + return(NULL); + } + if(!strlen(info->version)) { + fprintf(stderr, "error: missing package version in description file.\n"); + return(NULL); + } + for(lp = backup; lp; lp = lp->next) { + if(lp->data) { + info->backup = list_add(info->backup, lp->data); + } + } + continue; + } + if(!strcmp(th_get_pathname(tar), "._install")) { + info->scriptlet = 1; + } else { + expath = strdup(th_get_pathname(tar)); + /* add the path to the list */ + info->files = list_add(info->files, expath); + } + + if(TH_ISREG(tar) && tar_skip_regfile(tar)) { + perror("bad package file"); + return(NULL); + } + expath = NULL; + } + tar_close(tar); + FREE(descfile); + + if(!strlen(info->name) || !strlen(info->version)) { + fprintf(stderr, "Error: Missing .PKGINFO file in %s\n", pkgfile); + return(NULL); + } + + return(info); +} + +/* Parses the package description file for the current package + * + * Returns: 0 on success, 1 on error + * + */ +int parse_descfile(char *descfile, pkginfo_t *info, PMList **backup, int output) +{ + FILE* fp = NULL; + char line[PATH_MAX+1]; + char* ptr = NULL; + char* key = NULL; + int linenum = 0; + PMList* bak = NULL; + + if((fp = fopen(descfile, "r")) == NULL) { + perror(descfile); + return(1); + } + + while(!feof(fp)) { + fgets(line, PATH_MAX, fp); + if(output) { + printf("%s", line); + } + linenum++; + trim(line); + if(line[0] == '#') { + continue; + } + if(strlen(line) == 0) { + continue; + } + ptr = line; + key = strsep(&ptr, "="); + if(key == NULL || ptr == NULL) { + fprintf(stderr, "Syntax error in description file line %d\n", linenum); + } else { + trim(key); + key = strtoupper(key); + trim(ptr); + if(!strcmp(key, "PKGNAME")) { + strncpy(info->name, ptr, sizeof(info->name)); + } else if(!strcmp(key, "PKGVER")) { + strncpy(info->version, ptr, sizeof(info->version)); + } else if(!strcmp(key, "PKGDESC")) { + strncpy(info->desc, ptr, sizeof(info->desc)); + } else if(!strcmp(key, "BUILDDATE")) { + strncpy(info->builddate, ptr, sizeof(info->builddate)); + } else if(!strcmp(key, "INSTALLDATE")) { + strncpy(info->installdate, ptr, sizeof(info->installdate)); + } else if(!strcmp(key, "PACKAGER")) { + strncpy(info->packager, ptr, sizeof(info->packager)); + } else if(!strcmp(key, "SIZE")) { + char tmp[32]; + strncpy(tmp, ptr, sizeof(tmp)); + info->size = atol(tmp); + } else if(!strcmp(key, "DEPEND")) { + char *s = strdup(ptr); + info->depends = list_add(info->depends, s); + } else if(!strcmp(key, "CONFLICT")) { + char *s = strdup(ptr); + info->conflicts = list_add(info->conflicts, s); + } else if(!strcmp(key, "BACKUP")) { + char *s = strdup(ptr); + bak = list_add(bak, s); + } else { + fprintf(stderr, "Syntax error in description file line %d\n", linenum); + } + } + line[0] = '\0'; + } + fclose(fp); + unlink(descfile); + + *backup = bak; + return(0); +} + +pkginfo_t* newpkg() +{ + pkginfo_t* pkg = NULL; + MALLOC(pkg, sizeof(pkginfo_t)); + + pkg->name[0] = '\0'; + pkg->version[0] = '\0'; + pkg->desc[0] = '\0'; + pkg->builddate[0] = '\0'; + pkg->installdate[0] = '\0'; + pkg->packager[0] = '\0'; + pkg->size = 0; + pkg->scriptlet = 0; + pkg->requiredby = NULL; + pkg->conflicts = NULL; + pkg->files = NULL; + pkg->backup = NULL; + pkg->depends = NULL; + + return(pkg); +} + +void freepkg(pkginfo_t *pkg) +{ + if(pkg == NULL) { + return; + } + + list_free(pkg->files); + list_free(pkg->backup); + list_free(pkg->depends); + list_free(pkg->conflicts); + list_free(pkg->requiredby); + FREE(pkg); + return; +} + +/* Helper function for sorting packages + */ +int pkgcmp(const void *p1, const void *p2) +{ + pkginfo_t **pkg1 = (pkginfo_t**)p1; + pkginfo_t **pkg2 = (pkginfo_t**)p2; + + return(strcmp(pkg1[0]->name, pkg2[0]->name)); +} + +/* vim: set ts=2 sw=2 noet: */ |