diff options
| -rw-r--r-- | archival/rpm.c | 287 |
1 files changed, 141 insertions, 146 deletions
diff --git a/archival/rpm.c b/archival/rpm.c index 6b227d537..b506f1779 100644 --- a/archival/rpm.c +++ b/archival/rpm.c @@ -79,147 +79,13 @@ typedef struct { uint32_t count; /* 4 byte count */ } rpm_index; -static void *map; -static rpm_index **mytags; -static int tagcount; - -static void extract_cpio(int fd, const char *source_rpm); -static rpm_index **rpm_gettags(int fd, int *num_tags); -static int bsearch_rpmtag(const void *key, const void *item); -static char *rpm_getstr(int tag, int itemindex); -static int rpm_getint(int tag, int itemindex); -static int rpm_getcount(int tag); -static void fileaction_dobackup(char *filename, int fileref); -static void fileaction_setowngrp(char *filename, int fileref); -static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref)); - -int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int rpm_main(int argc, char **argv) -{ - int opt, func = 0; - const unsigned pagesize = getpagesize(); - - while ((opt = getopt(argc, argv, "iqpldc")) != -1) { - switch (opt) { - case 'i': /* First arg: Install mode, with q: Information */ - if (!func) func = rpm_install; - else func |= rpm_query_info; - break; - case 'q': /* First arg: Query mode */ - if (func) bb_show_usage(); - func = rpm_query; - break; - case 'p': /* Query a package */ - func |= rpm_query_package; - break; - case 'l': /* List files in a package */ - func |= rpm_query_list; - break; - case 'd': /* List doc files in a package (implies list) */ - func |= rpm_query_list; - func |= rpm_query_list_doc; - break; - case 'c': /* List config files in a package (implies list) */ - func |= rpm_query_list; - func |= rpm_query_list_config; - break; - default: - bb_show_usage(); - } - } - argv += optind; - //argc -= optind; - if (!argv[0]) { - bb_show_usage(); - } - - while (*argv) { - int rpm_fd; - unsigned offset; - const char *source_rpm; - - rpm_fd = xopen(*argv++, O_RDONLY); - mytags = rpm_gettags(rpm_fd, &tagcount); - if (!mytags) - bb_error_msg_and_die("error reading rpm header"); - offset = xlseek(rpm_fd, 0, SEEK_CUR); - /* Some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */ - map = mmap(0, (offset + pagesize) & (-(int)pagesize), PROT_READ, MAP_PRIVATE, rpm_fd, 0); - - source_rpm = rpm_getstr(TAG_SOURCERPM, 0); - - if (func & rpm_install) { - /* Backup any config files */ - loop_through_files(TAG_BASENAMES, fileaction_dobackup); - /* Extact the archive */ - extract_cpio(rpm_fd, source_rpm); - /* Set the correct file uid/gid's */ - loop_through_files(TAG_BASENAMES, fileaction_setowngrp); - } - else if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) { - if (!(func & (rpm_query_info|rpm_query_list))) { - /* If just a straight query, just give package name */ - printf("%s-%s-%s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_RELEASE, 0)); - } - if (func & rpm_query_info) { - /* Do the nice printout */ - time_t bdate_time; - struct tm *bdate_ptm; - char bdatestring[50]; - const char *p; - - printf("%-12s: %s\n", "Name" , rpm_getstr(TAG_NAME, 0)); - /* TODO compat: add "Epoch" here */ - printf("%-12s: %s\n", "Version" , rpm_getstr(TAG_VERSION, 0)); - printf("%-12s: %s\n", "Release" , rpm_getstr(TAG_RELEASE, 0)); - /* add "Architecture" */ - printf("%-12s: %s\n", "Install Date", "(not installed)"); - printf("%-12s: %s\n", "Group" , rpm_getstr(TAG_GROUP, 0)); - printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0)); - printf("%-12s: %s\n", "License" , rpm_getstr(TAG_LICENSE, 0)); - /* add "Signature" */ - printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)"); - bdate_time = rpm_getint(TAG_BUILDTIME, 0); - bdate_ptm = localtime(&bdate_time); - strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm); - printf("%-12s: %s\n", "Build Date" , bdatestring); - printf("%-12s: %s\n", "Build Host" , rpm_getstr(TAG_BUILDHOST, 0)); - p = rpm_getstr(TAG_PREFIXS, 0); - printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)"); - /* add "Packager" */ - p = rpm_getstr(TAG_VENDOR, 0); - printf("%-12s: %s\n", "Vendor" , p ? p : "(none)"); - printf("%-12s: %s\n", "URL" , rpm_getstr(TAG_URL, 0)); - printf("%-12s: %s\n", "Summary" , rpm_getstr(TAG_SUMMARY, 0)); - printf("Description :\n%s\n", rpm_getstr(TAG_DESCRIPTION, 0)); - } - if (func & rpm_query_list) { - int count, it, flags; - count = rpm_getcount(TAG_BASENAMES); - for (it = 0; it < count; it++) { - flags = rpm_getint(TAG_FILEFLAGS, it); - switch (func & (rpm_query_list_doc|rpm_query_list_config)) { - case rpm_query_list_doc: - if (!(flags & RPMFILE_DOC)) continue; - break; - case rpm_query_list_config: - if (!(flags & RPMFILE_CONFIG)) continue; - break; - case rpm_query_list_doc|rpm_query_list_config: - if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue; - break; - } - printf("%s%s\n", - rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)), - rpm_getstr(TAG_BASENAMES, it)); - } - } - } - free(mytags); - close(rpm_fd); - } - return 0; -} +struct globals { + void *map; + rpm_index **mytags; + int tagcount; +} FIX_ALIASING; +#define G (*(struct globals*)&bb_common_bufsiz1) +#define INIT_G() do { } while (0) static void extract_cpio(int fd, const char *source_rpm) { @@ -305,7 +171,7 @@ static int bsearch_rpmtag(const void *key, const void *item) static int rpm_getcount(int tag) { rpm_index **found; - found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); + found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); if (!found) return 0; return found[0]->count; @@ -314,7 +180,7 @@ static int rpm_getcount(int tag) static char *rpm_getstr(int tag, int itemindex) { rpm_index **found; - found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); + found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); if (!found || itemindex >= found[0]->count) return NULL; if (found[0]->type == RPM_STRING_TYPE @@ -322,7 +188,7 @@ static char *rpm_getstr(int tag, int itemindex) || found[0]->type == RPM_STRING_ARRAY_TYPE ) { int n; - char *tmpstr = (char *) map + found[0]->offset; + char *tmpstr = (char *) G.map + found[0]->offset; for (n = 0; n < itemindex; n++) tmpstr = tmpstr + strlen(tmpstr) + 1; return tmpstr; @@ -337,11 +203,11 @@ static int rpm_getint(int tag, int itemindex) /* gcc throws warnings here when sizeof(void*)!=sizeof(int) ... * it's ok to ignore it because tag won't be used as a pointer */ - found = bsearch(&tag, mytags, tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); + found = bsearch(&tag, G.mytags, G.tagcount, sizeof(struct rpmtag *), bsearch_rpmtag); if (!found || itemindex >= found[0]->count) return -1; - tmpint = (char *) map + found[0]->offset; + tmpint = (char *) G.map + found[0]->offset; if (found[0]->type == RPM_INT32_TYPE) { tmpint += itemindex*4; return ntohl(*(int32_t*)tmpint); @@ -396,3 +262,132 @@ static void loop_through_files(int filetag, void (*fileaction)(char *filename, i free(filename); } } + +int rpm_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int rpm_main(int argc, char **argv) +{ + int opt, func = 0; + const unsigned pagesize = getpagesize(); + + while ((opt = getopt(argc, argv, "iqpldc")) != -1) { + switch (opt) { + case 'i': /* First arg: Install mode, with q: Information */ + if (!func) func = rpm_install; + else func |= rpm_query_info; + break; + case 'q': /* First arg: Query mode */ + if (func) bb_show_usage(); + func = rpm_query; + break; + case 'p': /* Query a package */ + func |= rpm_query_package; + break; + case 'l': /* List files in a package */ + func |= rpm_query_list; + break; + case 'd': /* List doc files in a package (implies list) */ + func |= rpm_query_list; + func |= rpm_query_list_doc; + break; + case 'c': /* List config files in a package (implies list) */ + func |= rpm_query_list; + func |= rpm_query_list_config; + break; + default: + bb_show_usage(); + } + } + argv += optind; + //argc -= optind; + if (!argv[0]) { + bb_show_usage(); + } + + while (*argv) { + int rpm_fd; + unsigned offset; + const char *source_rpm; + + rpm_fd = xopen(*argv++, O_RDONLY); + G.mytags = rpm_gettags(rpm_fd, &G.tagcount); + if (!G.mytags) + bb_error_msg_and_die("error reading rpm header"); + offset = xlseek(rpm_fd, 0, SEEK_CUR); + /* Some NOMMU systems prefer MAP_PRIVATE over MAP_SHARED */ + G.map = mmap(0, (offset + pagesize) & (-(int)pagesize), PROT_READ, MAP_PRIVATE, rpm_fd, 0); +//FIXME: error check? + + source_rpm = rpm_getstr(TAG_SOURCERPM, 0); + + if (func & rpm_install) { + /* Backup any config files */ + loop_through_files(TAG_BASENAMES, fileaction_dobackup); + /* Extact the archive */ + extract_cpio(rpm_fd, source_rpm); + /* Set the correct file uid/gid's */ + loop_through_files(TAG_BASENAMES, fileaction_setowngrp); + } + else if ((func & (rpm_query|rpm_query_package)) == (rpm_query|rpm_query_package)) { + if (!(func & (rpm_query_info|rpm_query_list))) { + /* If just a straight query, just give package name */ + printf("%s-%s-%s\n", rpm_getstr(TAG_NAME, 0), rpm_getstr(TAG_VERSION, 0), rpm_getstr(TAG_RELEASE, 0)); + } + if (func & rpm_query_info) { + /* Do the nice printout */ + time_t bdate_time; + struct tm *bdate_ptm; + char bdatestring[50]; + const char *p; + + printf("%-12s: %s\n", "Name" , rpm_getstr(TAG_NAME, 0)); + /* TODO compat: add "Epoch" here */ + printf("%-12s: %s\n", "Version" , rpm_getstr(TAG_VERSION, 0)); + printf("%-12s: %s\n", "Release" , rpm_getstr(TAG_RELEASE, 0)); + /* add "Architecture" */ + printf("%-12s: %s\n", "Install Date", "(not installed)"); + printf("%-12s: %s\n", "Group" , rpm_getstr(TAG_GROUP, 0)); + printf("%-12s: %d\n", "Size" , rpm_getint(TAG_SIZE, 0)); + printf("%-12s: %s\n", "License" , rpm_getstr(TAG_LICENSE, 0)); + /* add "Signature" */ + printf("%-12s: %s\n", "Source RPM" , source_rpm ? source_rpm : "(none)"); + bdate_time = rpm_getint(TAG_BUILDTIME, 0); + bdate_ptm = localtime(&bdate_time); + strftime(bdatestring, 50, "%a %d %b %Y %T %Z", bdate_ptm); + printf("%-12s: %s\n", "Build Date" , bdatestring); + printf("%-12s: %s\n", "Build Host" , rpm_getstr(TAG_BUILDHOST, 0)); + p = rpm_getstr(TAG_PREFIXS, 0); + printf("%-12s: %s\n", "Relocations" , p ? p : "(not relocatable)"); + /* add "Packager" */ + p = rpm_getstr(TAG_VENDOR, 0); + printf("%-12s: %s\n", "Vendor" , p ? p : "(none)"); + printf("%-12s: %s\n", "URL" , rpm_getstr(TAG_URL, 0)); + printf("%-12s: %s\n", "Summary" , rpm_getstr(TAG_SUMMARY, 0)); + printf("Description :\n%s\n", rpm_getstr(TAG_DESCRIPTION, 0)); + } + if (func & rpm_query_list) { + int count, it, flags; + count = rpm_getcount(TAG_BASENAMES); + for (it = 0; it < count; it++) { + flags = rpm_getint(TAG_FILEFLAGS, it); + switch (func & (rpm_query_list_doc|rpm_query_list_config)) { + case rpm_query_list_doc: + if (!(flags & RPMFILE_DOC)) continue; + break; + case rpm_query_list_config: + if (!(flags & RPMFILE_CONFIG)) continue; + break; + case rpm_query_list_doc|rpm_query_list_config: + if (!(flags & (RPMFILE_CONFIG|RPMFILE_DOC))) continue; + break; + } + printf("%s%s\n", + rpm_getstr(TAG_DIRNAMES, rpm_getint(TAG_DIRINDEXES, it)), + rpm_getstr(TAG_BASENAMES, it)); + } + } + } + free(G.mytags); + close(rpm_fd); + } + return 0; +} |