X-Git-Url: https://git.sommitrealweird.co.uk/onak.git/blobdiff_plain/d55ec9e986e5c0c7345ae0e6a1449c4292291b32..3cbcf9bd0186a4256c1f0d3f75e0540594bfca1d:/keydb_file.c?ds=sidebyside diff --git a/keydb_file.c b/keydb_file.c index 243e59e..88bb680 100644 --- a/keydb_file.c +++ b/keydb_file.c @@ -3,11 +3,12 @@ * * Jonathan McDowell * - * Copyright 2002 Project Purple + * Copyright 2002-2004 Project Purple */ #include #include +#include #include #include #include @@ -15,36 +16,22 @@ #include #include +#include "charfuncs.h" #include "keydb.h" #include "keyid.h" #include "keystructs.h" #include "ll.h" +#include "log.h" #include "mem.h" #include "onak-conf.h" #include "parsekey.h" -/** - * keydb_fetchchar - Fetches a char from a file. - */ -static int keydb_fetchchar(void *fd, size_t count, unsigned char *c) -{ - return !(read( *(int *) fd, c, count)); -} - -/** - * keydb_putchar - Puts a char to a file. - */ -static int keydb_putchar(void *fd, size_t count, unsigned char *c) -{ - return !(write( *(int *) fd, c, count)); -} - /** * initdb - Initialize the key database. * * This is just a no-op for flat file access. */ -void initdb(void) +static void file_initdb(bool readonly) { } @@ -53,7 +40,7 @@ void initdb(void) * * This is just a no-op for flat file access. */ -void cleanupdb(void) +static void file_cleanupdb(void) { } @@ -62,7 +49,7 @@ void cleanupdb(void) * * This is just a no-op for flat file access. */ -bool starttrans(void) +static bool file_starttrans(void) { return true; } @@ -72,7 +59,7 @@ bool starttrans(void) * * This is just a no-op for flat file access. */ -void endtrans(void) +static void file_endtrans(void) { return; } @@ -89,20 +76,22 @@ void endtrans(void) * in and then parse_keys() to parse the packets into a publickey * structure. */ -int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, +static int file_fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, bool intrans) { struct openpgp_packet_list *packets = NULL; char keyfile[1024]; int fd = -1; - snprintf(keyfile, 1023, "%s/0x%llX", config.file_dbpath, + snprintf(keyfile, 1023, "%s/0x%llX", config.db_dir, keyid & 0xFFFFFFFF); fd = open(keyfile, O_RDONLY); // | O_SHLOCK); if (fd > -1) { - read_openpgp_stream(keydb_fetchchar, &fd, &packets); + read_openpgp_stream(file_fetchchar, &fd, &packets, 0); parse_keys(packets, publickey); + free_packet_list(packets); + packets = NULL; close(fd); } @@ -120,7 +109,8 @@ int fetch_key(uint64_t keyid, struct openpgp_publickey **publickey, * packets and then use write_openpgp_stream() to write the stream out to * the file. */ -int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) +static int file_store_key(struct openpgp_publickey *publickey, bool intrans, + bool update) { struct openpgp_packet_list *packets = NULL; struct openpgp_packet_list *list_end = NULL; @@ -128,7 +118,7 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) char keyfile[1024]; int fd = -1; - snprintf(keyfile, 1023, "%s/0x%llX", config.file_dbpath, + snprintf(keyfile, 1023, "%s/0x%llX", config.db_dir, get_keyid(publickey) & 0xFFFFFFFF); fd = open(keyfile, O_WRONLY | O_CREAT, 0664); // | O_EXLOCK); @@ -138,8 +128,10 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) flatten_publickey(publickey, &packets, &list_end); publickey -> next = next; - write_openpgp_stream(keydb_putchar, &fd, packets); + write_openpgp_stream(file_putchar, &fd, packets); close(fd); + free_packet_list(packets); + packets = NULL; } return (fd > -1); @@ -153,11 +145,11 @@ int store_key(struct openpgp_publickey *publickey, bool intrans, bool update) * This function deletes a public key from whatever storage mechanism we * are using. Returns 0 if the key existed. */ -int delete_key(uint64_t keyid, bool intrans) +static int file_delete_key(uint64_t keyid, bool intrans) { char keyfile[1024]; - snprintf(keyfile, 1023, "%s/0x%llX", config.file_dbpath, + snprintf(keyfile, 1023, "%s/0x%llX", config.db_dir, keyid & 0xFFFFFFFF); return unlink(keyfile); @@ -173,15 +165,93 @@ int delete_key(uint64_t keyid, bool intrans) * * TODO: Write for flat file access. Some sort of grep? */ -int fetch_key_text(const char *search, struct openpgp_publickey **publickey) +static int file_fetch_key_text(const char *search, + struct openpgp_publickey **publickey) { return 0; } +/** + * iterate_keys - call a function once for each key in the db. + * @iterfunc: The function to call. + * @ctx: A context pointer + * + * Calls iterfunc once for each key in the database. ctx is passed + * unaltered to iterfunc. This function is intended to aid database dumps + * and statistic calculations. + * + * Returns the number of keys we iterated over. + */ +static int file_iterate_keys(void (*iterfunc)(void *ctx, + struct openpgp_publickey *key), void *ctx) +{ + int numkeys = 0; + struct openpgp_packet_list *packets = NULL; + struct openpgp_publickey *key = NULL; + DIR *dir; + char keyfile[1024]; + int fd = -1; + struct dirent *curfile = NULL; + + dir = opendir(config.db_dir); + + if (dir != NULL) { + while ((curfile = readdir(dir)) != NULL) { + if (curfile->d_name[0] == '0' && + curfile->d_name[1] == 'x') { + snprintf(keyfile, 1023, "%s/%s", + config.db_dir, + curfile->d_name); + fd = open(keyfile, O_RDONLY); + + if (fd > -1) { + read_openpgp_stream(file_fetchchar, + &fd, + &packets, + 0); + parse_keys(packets, &key); + + iterfunc(ctx, key); + + free_publickey(key); + key = NULL; + free_packet_list(packets); + packets = NULL; + close(fd); + } + numkeys++; + } + } + + closedir(dir); + dir = NULL; + } + + return numkeys; +} + /* * Include the basic keydb routines. */ #define NEED_KEYID2UID 1 #define NEED_GETKEYSIGS 1 #define NEED_GETFULLKEYID 1 +#define NEED_UPDATEKEYS 1 #include "keydb.c" + +struct dbfuncs keydb_file_funcs = { + .initdb = file_initdb, + .cleanupdb = file_cleanupdb, + .starttrans = file_starttrans, + .endtrans = file_endtrans, + .fetch_key = file_fetch_key, + .fetch_key_text = file_fetch_key_text, + .store_key = file_store_key, + .update_keys = generic_update_keys, + .delete_key = file_delete_key, + .getkeysigs = generic_getkeysigs, + .cached_getkeysigs = generic_cached_getkeysigs, + .keyid2uid = generic_keyid2uid, + .getfullkeyid = generic_getfullkeyid, + .iterate_keys = file_iterate_keys, +};