X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Ftty-ask-password-agent.c;h=9fbd7f5fb2eda43c3ead712e2ea0bd8ad2ec45f2;hp=a414cba3748c27c16cba6ad82a5fbc2f5a4f7bbb;hb=78a825f216d39ee0295b00647b059d45467e1d02;hpb=d55f4f3f92f56f76bdd06192d6a2ef3ee9fe4772 diff --git a/src/tty-ask-password-agent.c b/src/tty-ask-password-agent.c index a414cba37..9fbd7f5fb 100644 --- a/src/tty-ask-password-agent.c +++ b/src/tty-ask-password-agent.c @@ -6,16 +6,16 @@ Copyright 2010 Lennart Poettering systemd 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 + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . ***/ @@ -33,6 +33,7 @@ #include #include "util.h" +#include "mkdir.h" #include "conf-parser.h" #include "utmp-wtmp.h" #include "socket-util.h" @@ -206,6 +207,7 @@ static int ask_password_plymouth( continue; memcpy(&size, buffer+1, sizeof(size)); + size = le32toh(size); if (size+5 > sizeof(buffer)) { r = -EIO; goto finish; @@ -250,23 +252,22 @@ static int parse_password(const char *filename, char **wall) { int socket_fd = -1; bool accept_cached = false; - const ConfigItem items[] = { - { "Socket", config_parse_string, 0, &socket_name, "Ask" }, - { "NotAfter", config_parse_uint64, 0, ¬_after, "Ask" }, - { "Message", config_parse_string, 0, &message, "Ask" }, - { "PID", config_parse_unsigned, 0, &pid, "Ask" }, - { "AcceptCached", config_parse_bool, 0, &accept_cached, "Ask" }, - { NULL, NULL, 0, NULL, NULL } + const ConfigTableItem items[] = { + { "Ask", "Socket", config_parse_string, 0, &socket_name }, + { "Ask", "NotAfter", config_parse_uint64, 0, ¬_after }, + { "Ask", "Message", config_parse_string, 0, &message }, + { "Ask", "PID", config_parse_unsigned, 0, &pid }, + { "Ask", "AcceptCached", config_parse_bool, 0, &accept_cached }, + { NULL, NULL, NULL, 0, NULL } }; FILE *f; int r; - usec_t n; assert(filename); - if (!(f = fopen(filename, "re"))) { - + f = fopen(filename, "re"); + if (!f) { if (errno == ENOENT) return 0; @@ -274,19 +275,28 @@ static int parse_password(const char *filename, char **wall) { return -errno; } - if ((r = config_parse(filename, f, NULL, items, true, NULL)) < 0) { + r = config_parse(filename, f, NULL, config_item_table_lookup, (void*) items, true, NULL); + if (r < 0) { log_error("Failed to parse password file %s: %s", filename, strerror(-r)); goto finish; } - if (!socket_name || not_after <= 0) { + if (!socket_name) { log_error("Invalid password file %s", filename); r = -EBADMSG; goto finish; } - n = now(CLOCK_MONOTONIC); - if (n > not_after) { + if (not_after > 0) { + if (now(CLOCK_MONOTONIC) > not_after) { + r = 0; + goto finish; + } + } + + if (pid > 0 && + kill(pid, 0) < 0 && + errno == ESRCH) { r = 0; goto finish; } @@ -369,15 +379,17 @@ static int parse_password(const char *filename, char **wall) { release_terminal(); } - packet_length = 1+strlen(password)+1; - if (!(packet = new(char, packet_length))) - r = -ENOMEM; - else { - packet[0] = '+'; - strcpy(packet+1, password); - } + if (r >= 0) { + packet_length = 1+strlen(password)+1; + if (!(packet = new(char, packet_length))) + r = -ENOMEM; + else { + packet[0] = '+'; + strcpy(packet+1, password); + } - free(password); + free(password); + } } if (r == -ETIME || r == -ENOENT) { @@ -426,7 +438,8 @@ static int wall_tty_block(void) { int fd, r; dev_t devnr; - if ((r = get_ctty_devnr(&devnr)) < 0) + r = get_ctty_devnr(0, &devnr); + if (r < 0) return -r; if (asprintf(&p, "/run/systemd/ask-password-block/%u:%u", major(devnr), minor(devnr)) < 0) @@ -717,6 +730,8 @@ int main(int argc, char *argv[]) { log_parse_environment(); log_open(); + umask(0022); + if ((r = parse_argv(argc, argv)) <= 0) goto finish;