X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=adu.c;h=02bfa302779ccdf5bc299e8a6a81f5b3c2fb8f60;hp=4c1c62c0d56bb3955dabd1cfb52499d6d6fca4a3;hb=cecbe8525740b4a899cb1a6c91064e195ae1ada2;hpb=0d786b0b8ce8740abaf3dfa05a79ed085b1f1fab diff --git a/adu.c b/adu.c index 4c1c62c..02bfa30 100644 --- a/adu.c +++ b/adu.c @@ -8,6 +8,7 @@ #include "string.h" #include "error.h" #include "portable_io.h" +#include "select.cmdline.h" DEFINE_ERRLIST; int osl_errno; @@ -18,12 +19,8 @@ static int signum; /** Command line and config file options. */ struct gengetopt_args_info conf; -/** Global dir count. */ -uint64_t num_dirs = 0; -/** Global files count. */ -uint64_t num_files = 0; -/** Global bytes count. */ -uint64_t num_bytes = 0; +/** Options passed to --select-options. */ +struct select_args_info select_conf; /** The number of different uids found so far. */ uint32_t num_uids = 0; @@ -40,19 +37,21 @@ static uint32_t uid_hash_table_size; */ static struct user_info *uid_hash_table; +static inline int ui_used(struct user_info *ui) +{ + return ui->flags & UI_FL_SLOT_USED; +} + +static inline int ui_admissible(struct user_info *ui) +{ + return ui->flags & UI_FL_ADMISSIBLE; +} + /** * The table containing the directory names and statistics. */ struct osl_table *dir_table = NULL; -/** - * The array of all uid ranges that were given at the command line. - */ -struct uid_range *admissible_uids; - -/** Evaluates to 1 if x < y, to -1 if x > y and to 0 if x == y. */ -#define NUM_COMPARE(x, y) ((int)((x) < (y)) - (int)((x) > (y))) - /** * Compare the size of two directories * @@ -165,61 +164,6 @@ static struct osl_column_description user_table_cols[] = { }, }; -static int check_uid_arg(const char *arg, uint32_t *uid) -{ - const uint32_t max = ~0U; - /* - * we need an 64-bit int for string -> uid conversion because strtoll() - * returns a signed value. - */ - int64_t val; - int ret = atoi64(arg, &val); - - if (ret < 0) - return ret; - if (val < 0 || val > max) - return -ERRNO_TO_ERROR(EINVAL); - *uid = val; - return 1; -} - -static int parse_uid_range(const char *orig_arg, struct uid_range *ur) -{ - int ret; - char *arg = adu_strdup(orig_arg), *p = strchr(arg, '-'); - - if (!p || p == arg) { /* -42 or 42 */ - ret = check_uid_arg(p? p + 1 : arg, &ur->high); - if (ret < 0) - goto out; - ur->low = p? 0 : ur->high; - ret = 1; - goto out; - } - /* 42- or 42-4711 */ - *p = '\0'; - p++; - ret = check_uid_arg(arg, &ur->low); - if (ret < 0) - goto out; - ur->high = ~0U; - if (*p) { /* 42-4711 */ - ret = check_uid_arg(p, &ur->high); - if (ret < 0) - goto out; - } - if (ur->low > ur->high) - ret = -ERRNO_TO_ERROR(EINVAL); -out: - if (ret < 0) - ERROR_LOG("bad uid option: %s\n", orig_arg); - else - INFO_LOG("admissible uid range: %u - %u\n", ur->low, - ur->high); - free(arg); - return ret; -} - /** * The log function. * @@ -308,7 +252,7 @@ int for_each_admissible_user(int (*func)(struct user_info *, void *), return 1; } -#define PRIME1 0x811c9dc5 +#define PRIME1 0xb11924e1 #define PRIME2 0x01000193 void create_hash_table(unsigned bits) @@ -417,24 +361,25 @@ static uint32_t double_hash(uint32_t uid, uint32_t probe_num) % uid_hash_table_size; } -static int uid_is_admissible(uint32_t uid) +static int uid_is_admissible(uint32_t uid, struct uid_range *urs) { - int i; - - for (i = 0; i < conf.uid_given; i++) { - struct uid_range *ur = admissible_uids + i; + struct uid_range *ur; + int ret = 1; + if (!urs) /* empty array means all uids are allowed */ + return 1; + FOR_EACH_UID_RANGE(ur, urs) if (ur->low <= uid && ur->high >= uid) - break; - } - i = !conf.uid_given || i < conf.uid_given; + goto out; + ret = 0; +out: DEBUG_LOG("uid %u is %sadmissible\n", (unsigned)uid, - i? "" : "not "); - return i; + ret? "" : "not "); + return ret; } -int search_uid(uint32_t uid, enum search_uid_flags flags, - struct user_info **ui_ptr) +int search_uid(uint32_t uid, struct uid_range *urs, + enum search_uid_flags flags, struct user_info **ui_ptr) { uint32_t p; @@ -447,7 +392,7 @@ int search_uid(uint32_t uid, enum search_uid_flags flags, return -E_BAD_UID; ui->uid = uid; ui->flags |= UI_FL_SLOT_USED; - if (!uid_is_admissible(uid)) + if (!uid_is_admissible(uid, urs)) return 0; ui->flags |= UI_FL_ADMISSIBLE; ret = open_user_table(ui, flags & CREATE_USER_TABLE); @@ -472,6 +417,12 @@ char *get_uid_list_name(void) return make_message("%s/uid_list", conf.database_dir_arg); } +void sort_hash_table(int (*comp)(const void *, const void *)) +{ + qsort(uid_hash_table, uid_hash_table_size, sizeof(struct user_info), + comp); +} + int open_dir_table(int create) { dir_table_desc.dir = adu_strdup(conf.database_dir_arg); @@ -488,9 +439,6 @@ int open_dir_table(int create) static int check_args(void) { - int i, ret; - - if (conf.create_given && !conf.base_dir_given) return -E_SYNTAX; @@ -507,19 +455,7 @@ static int check_args(void) conf.base_dir_arg[len] = '\0'; } } - if (!conf.uid_given) - return 0; - admissible_uids = adu_malloc(conf.uid_given * sizeof(*admissible_uids)); - for (i = 0; i < conf.uid_given; i++) { - ret = parse_uid_range(conf.uid_arg[i], admissible_uids + i); - if (ret < 0) - goto err; - } return 1; -err: - free(admissible_uids); - admissible_uids = NULL; - return ret; } int main(int argc, char **argv) @@ -543,12 +479,13 @@ int main(int argc, char **argv) ret = -E_SYNTAX; if (conf.select_given) ret = com_select(); - else + else if (conf.create_given) ret = com_create(); + else + ret = com_interactive(); if (ret < 0) goto out; out: - free(admissible_uids); if (ret < 0) { ERROR_LOG("%s\n", adu_strerror(-ret)); return -EXIT_FAILURE;