diff options
author | Eric Andersen <andersen@codepoet.org> | 2003-06-27 10:19:29 +0000 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2003-06-27 10:19:29 +0000 |
commit | 2e55dec21f3310e6868689fc1f4c4074ea3a35bb (patch) | |
tree | 77479d130301a86ca26009cf712dc0ebe3ddd340 /libc/pwd_grp | |
parent | ea3abe244d9ad2ec59d00b29152fc457571d2d37 (diff) |
Fixup errno handling
-Erik
Diffstat (limited to 'libc/pwd_grp')
-rw-r--r-- | libc/pwd_grp/__getpwent_r.c | 12 | ||||
-rw-r--r-- | libc/pwd_grp/__getspent_r.c | 10 | ||||
-rw-r--r-- | libc/pwd_grp/__sgetspent_r.c | 24 | ||||
-rw-r--r-- | libc/pwd_grp/fgetpwent.c | 7 | ||||
-rw-r--r-- | libc/pwd_grp/fgetspent.c | 7 | ||||
-rw-r--r-- | libc/pwd_grp/getpwnam.c | 23 | ||||
-rw-r--r-- | libc/pwd_grp/getpwuid.c | 11 | ||||
-rw-r--r-- | libc/pwd_grp/getspnam.c | 13 | ||||
-rw-r--r-- | libc/pwd_grp/getspuid.c | 15 | ||||
-rw-r--r-- | libc/pwd_grp/initgroups.c | 3 | ||||
-rw-r--r-- | libc/pwd_grp/pwent.c | 10 | ||||
-rw-r--r-- | libc/pwd_grp/sgetspent.c | 4 | ||||
-rw-r--r-- | libc/pwd_grp/spent.c | 9 |
13 files changed, 93 insertions, 55 deletions
diff --git a/libc/pwd_grp/__getpwent_r.c b/libc/pwd_grp/__getpwent_r.c index db49ae255..5cfdd89ba 100644 --- a/libc/pwd_grp/__getpwent_r.c +++ b/libc/pwd_grp/__getpwent_r.c @@ -24,6 +24,7 @@ #include <unistd.h> #include <string.h> #include <fcntl.h> +#include <errno.h> #include "config.h" @@ -42,12 +43,15 @@ int __getpwent_r(struct passwd * passwd, char * line_buff, size_t buflen, int pw int line_len; int i; + if (buflen<PWD_BUFFER_SIZE) + return ERANGE; + /* We use the restart label to handle malformatted lines */ - restart: - /* Read the passwd line into the static buffer using a minimal of +restart: + /* Read the passwd line into the static buffer using a minimum of syscalls. */ if ((line_len = read(pwd_fd, line_buff, buflen)) <= 0) - return -1; + return EIO; field_begin = strchr(line_buff, '\n'); if (field_begin != NULL) lseek(pwd_fd, (long) (1 + field_begin - (line_buff + line_len)), @@ -56,7 +60,7 @@ int __getpwent_r(struct passwd * passwd, char * line_buff, size_t buflen, int pw do { if ((line_len = read(pwd_fd, line_buff, buflen)) <= 0) - return -1; + return EIO; } while (!(field_begin = strchr(line_buff, '\n'))); lseek(pwd_fd, (long) (field_begin - line_buff) - line_len + 1, SEEK_CUR); diff --git a/libc/pwd_grp/__getspent_r.c b/libc/pwd_grp/__getspent_r.c index 7150520d2..73e40f031 100644 --- a/libc/pwd_grp/__getspent_r.c +++ b/libc/pwd_grp/__getspent_r.c @@ -20,6 +20,7 @@ #include <unistd.h> #include <string.h> #include <fcntl.h> +#include <errno.h> #include "config.h" @@ -28,11 +29,14 @@ int __getspent_r(struct spwd * spwd, char * line_buff, size_t buflen, int spwd_f char *endptr; int line_len; + if (buflen<PWD_BUFFER_SIZE) + return ERANGE; + /* We use the restart label to handle malformatted lines */ restart: /* Read the shadow line into the buffer using a minimum of syscalls. */ if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0) - return -1; + return EIO; endptr = strchr(line_buff, '\n'); if (endptr != NULL) lseek(spwd_fd, (long) (1 + endptr - (line_buff + line_len)), SEEK_CUR); @@ -40,13 +44,13 @@ restart: /* The line is too long - skip it. :-\ */ do { if ((line_len = read(spwd_fd, line_buff, buflen)) <= 0) - return -1; + return EIO; } while (!(endptr = strchr(line_buff, '\n'))); lseek(spwd_fd, (long) (endptr - line_buff) - line_len + 1, SEEK_CUR); goto restart; } - if (__sgetspent_r(line_buff, spwd, line_buff, buflen) < 0) + if (__sgetspent_r(line_buff, spwd, line_buff, buflen) != 0) goto restart; return 0; diff --git a/libc/pwd_grp/__sgetspent_r.c b/libc/pwd_grp/__sgetspent_r.c index ec7c1c936..d11cfe62e 100644 --- a/libc/pwd_grp/__sgetspent_r.c +++ b/libc/pwd_grp/__sgetspent_r.c @@ -19,6 +19,7 @@ #include <stdlib.h> #include <unistd.h> #include <string.h> +#include <errno.h> #include "config.h" @@ -35,15 +36,18 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz char *flag_ptr=NULL; int i; + if (buflen<PWD_BUFFER_SIZE) + return ERANGE; + if (string != line_buff) { if (strlen(string) >= buflen) - return -1; + return ERANGE; strcpy(line_buff, string); } if (*line_buff == '#' || *line_buff == ' ' || *line_buff == '\n' || *line_buff == '\t') - return -1; + return EINVAL; field_begin = strchr(line_buff, '\n'); if (field_begin != NULL) @@ -86,7 +90,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz if (field_begin == NULL) { if (i==4 || i==7) break; - return -1; + return EINVAL; } *field_begin++ = '\0'; } @@ -97,7 +101,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_lstchg = (gid_t) strtoul(lstchg_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } if (*min_ptr == '\0') { @@ -105,7 +109,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_min = (gid_t) strtoul(min_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } if (*max_ptr == '\0') { @@ -113,7 +117,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_max = (gid_t) strtoul(max_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } if (warn_ptr == NULL) { @@ -129,7 +133,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_warn = (gid_t) strtoul(warn_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } if (*inact_ptr == '\0') { @@ -137,7 +141,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_inact = (gid_t) strtoul(inact_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } if (*expire_ptr == '\0') { @@ -145,7 +149,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_expire = (gid_t) strtoul(expire_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } if (flag_ptr==NULL || *flag_ptr=='\0') { @@ -153,7 +157,7 @@ int __sgetspent_r(const char * string, struct spwd * spwd, char * line_buff, siz } else { spwd->sp_flag = (gid_t) strtoul(flag_ptr, &endptr, 10); if (*endptr != '\0') - return -1; + return EINVAL; } } diff --git a/libc/pwd_grp/fgetpwent.c b/libc/pwd_grp/fgetpwent.c index 5ca08d3b0..8917c29d0 100644 --- a/libc/pwd_grp/fgetpwent.c +++ b/libc/pwd_grp/fgetpwent.c @@ -37,22 +37,23 @@ int fgetpwent_r (FILE *file, struct passwd *password, char *buff, size_t buflen, struct passwd **crap) { if (file == NULL) { - __set_errno(EINTR); - return -1; + return EINTR; } return(__getpwent_r(password, buff, buflen, fileno(file))); } struct passwd *fgetpwent(FILE * file) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct passwd pwd; LOCK; - if (fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=fgetpwent_r(file, &pwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &pwd; } UNLOCK; + __set_errno(ret); return NULL; } diff --git a/libc/pwd_grp/fgetspent.c b/libc/pwd_grp/fgetspent.c index 20698da1b..79594ecea 100644 --- a/libc/pwd_grp/fgetspent.c +++ b/libc/pwd_grp/fgetspent.c @@ -36,22 +36,23 @@ int fgetspent_r (FILE *file, struct spwd *spwd, char *buff, size_t buflen, struct spwd **crap) { if (file == NULL) { - __set_errno(EINTR); - return -1; + return EINTR; } return(__getspent_r(spwd, buff, buflen, fileno(file))); } struct spwd *fgetspent(FILE * file) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct spwd spwd; LOCK; - if (fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=fgetspent_r(file, &spwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &spwd; } UNLOCK; + __set_errno(ret); return NULL; } diff --git a/libc/pwd_grp/getpwnam.c b/libc/pwd_grp/getpwnam.c index 00adb57ca..6f041e2d8 100644 --- a/libc/pwd_grp/getpwnam.c +++ b/libc/pwd_grp/getpwnam.c @@ -37,38 +37,43 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; #endif int getpwnam_r (const char *name, struct passwd *password, - char *buff, size_t buflen, struct passwd **crap) + char *buff, size_t buflen, struct passwd **result) { + int ret; int passwd_fd; if (name == NULL) { - __set_errno(EINVAL); - return -1; + return EINVAL; } - if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0) - return -1; + if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0) { + return ENOENT; + } - while (__getpwent_r(password, buff, buflen, passwd_fd) != -1) + while ((ret=__getpwent_r(password, buff, buflen, passwd_fd)) == 0) { if (!strcmp(password->pw_name, name)) { + *result=password; close(passwd_fd); return 0; } + } close(passwd_fd); - return -1; + return ret; } struct passwd *getpwnam(const char *name) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; - static struct passwd pwd; + static struct passwd pwd, *result; LOCK; - if (getpwnam_r(name, &pwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=getpwnam_r(name, &pwd, line_buff, sizeof(line_buff), &result)) == 0) { UNLOCK; return &pwd; } + __set_errno(ret); UNLOCK; return NULL; } diff --git a/libc/pwd_grp/getpwuid.c b/libc/pwd_grp/getpwuid.c index 48ee6123d..c54df0977 100644 --- a/libc/pwd_grp/getpwuid.c +++ b/libc/pwd_grp/getpwuid.c @@ -23,6 +23,7 @@ #include <unistd.h> #include <fcntl.h> #include <paths.h> +#include <errno.h> #include "config.h" #ifdef __UCLIBC_HAS_THREADS__ @@ -41,30 +42,32 @@ int getpwuid_r (uid_t uid, struct passwd *password, int passwd_fd; if ((passwd_fd = open(_PATH_PASSWD, O_RDONLY)) < 0) - return -1; + return errno; - while (__getpwent_r(password, buff, buflen, passwd_fd) != -1) + while (__getpwent_r(password, buff, buflen, passwd_fd) == 0) if (password->pw_uid == uid) { close(passwd_fd); return 0; } close(passwd_fd); - return -1; + return EINVAL; } struct passwd *getpwuid(uid_t uid) { + int ret; /* file descriptor for the password file currently open */ static char line_buff[PWD_BUFFER_SIZE]; static struct passwd pwd; LOCK; - if (getpwuid_r(uid, &pwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=getpwuid_r(uid, &pwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &pwd; } UNLOCK; + __set_errno(ret); return NULL; } diff --git a/libc/pwd_grp/getspnam.c b/libc/pwd_grp/getspnam.c index 9d578f09a..6f3d3a128 100644 --- a/libc/pwd_grp/getspnam.c +++ b/libc/pwd_grp/getspnam.c @@ -40,34 +40,35 @@ int getspnam_r (const char *name, struct spwd *spwd, int spwd_fd; if (name == NULL) { - __set_errno(EINVAL); - return -1; + return EINVAL; } if ((spwd_fd = open(_PATH_SHADOW, O_RDONLY)) < 0) - return -1; + return errno; - while (__getspent_r(spwd, buff, buflen, spwd_fd) != -1) + while (__getspent_r(spwd, buff, buflen, spwd_fd) == 0) if (!strcmp(spwd->sp_namp, name)) { close(spwd_fd); return 0; } close(spwd_fd); - return -1; + return EINVAL; } struct spwd *getspnam(const char *name) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct spwd spwd; LOCK; - if (getspnam_r(name, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=getspnam_r(name, &spwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &spwd; } UNLOCK; + __set_errno(ret); return NULL; } diff --git a/libc/pwd_grp/getspuid.c b/libc/pwd_grp/getspuid.c index d57b2aa0b..3fa7fb5a1 100644 --- a/libc/pwd_grp/getspuid.c +++ b/libc/pwd_grp/getspuid.c @@ -21,6 +21,7 @@ #include <stdlib.h> #include <unistd.h> #include <fcntl.h> +#include <errno.h> #include "config.h" #ifdef __UCLIBC_HAS_THREADS__ @@ -34,28 +35,32 @@ static pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; #endif int getspuid_r (uid_t uid, struct spwd *spwd, - char *buff, size_t buflen, struct spwd **crap) + char *buff, size_t buflen, struct spwd **result) { + int ret; char pwd_buff[PWD_BUFFER_SIZE]; struct passwd password; - if (getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), NULL) < 0) - return -1; + ret = getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), NULL); + if (ret != 0) + return ret; - return getspnam_r(password.pw_name, spwd, buff, buflen, crap); + return getspnam_r(password.pw_name, spwd, buff, buflen, result); } struct spwd *getspuid(uid_t uid) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct spwd spwd; LOCK; - if (getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &spwd; } UNLOCK; + __set_errno(ret); return NULL; } diff --git a/libc/pwd_grp/initgroups.c b/libc/pwd_grp/initgroups.c index 9c1fbc03c..24dadc18f 100644 --- a/libc/pwd_grp/initgroups.c +++ b/libc/pwd_grp/initgroups.c @@ -23,6 +23,7 @@ #include <fcntl.h> #include <paths.h> #include <stdlib.h> +#include <errno.h> #include "config.h" #ifdef __UCLIBC_HAS_THREADS__ @@ -49,7 +50,7 @@ int initgroups(__const char *user, gid_t gid) if ((grp_fd = open(_PATH_GROUP, O_RDONLY)) < 0) - return -1; + return errno; num_groups = 0; group_list = (gid_t *) realloc(group_list, 1); diff --git a/libc/pwd_grp/pwent.c b/libc/pwd_grp/pwent.c index f79be7f33..f70a6e378 100644 --- a/libc/pwd_grp/pwent.c +++ b/libc/pwd_grp/pwent.c @@ -67,23 +67,27 @@ void endpwent(void) int getpwent_r (struct passwd *password, char *buff, size_t buflen, struct passwd **crap) { + int ret; LOCK; - if (pw_fd != -1 && __getpwent_r(password, buff, buflen, pw_fd) != -1) { + if (pw_fd != -1 && (ret=__getpwent_r(password, buff, buflen, pw_fd)) == 0) { UNLOCK; return 0; } UNLOCK; - return -1; + __set_errno(ret); + return ret; } struct passwd *getpwent(void) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct passwd pwd; - if (getpwent_r(&pwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=getpwent_r(&pwd, line_buff, sizeof(line_buff), NULL)) == 0) { return &pwd; } + __set_errno(ret); return NULL; } diff --git a/libc/pwd_grp/sgetspent.c b/libc/pwd_grp/sgetspent.c index 1925a78ec..5f018b9f1 100644 --- a/libc/pwd_grp/sgetspent.c +++ b/libc/pwd_grp/sgetspent.c @@ -40,14 +40,16 @@ int sgetspent_r (const char *string, struct spwd *spwd, struct spwd *sgetspent(const char *string) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct spwd spwd; LOCK; - if (sgetspent_r(string, &spwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret = sgetspent_r(string, &spwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &spwd; } + __set_errno(ret); UNLOCK; return NULL; } diff --git a/libc/pwd_grp/spent.c b/libc/pwd_grp/spent.c index d1b8ca07c..b281072f4 100644 --- a/libc/pwd_grp/spent.c +++ b/libc/pwd_grp/spent.c @@ -64,26 +64,29 @@ void endspent(void) int getspent_r (struct spwd *spwd, char *buff, size_t buflen, struct spwd **crap) { + int ret; LOCK; - if (spwd_fd != -1 && __getspent_r(spwd, buff, buflen, spwd_fd) != -1) { + if (spwd_fd != -1 && (ret=__getspent_r(spwd, buff, buflen, spwd_fd)) == 0) { UNLOCK; return 0; } UNLOCK; - return -1; + return ret; } struct spwd *getspent(void) { + int ret; static char line_buff[PWD_BUFFER_SIZE]; static struct spwd spwd; LOCK; - if (getspent_r(&spwd, line_buff, sizeof(line_buff), NULL) != -1) { + if ((ret=getspent_r(&spwd, line_buff, sizeof(line_buff), NULL)) == 0) { UNLOCK; return &spwd; } UNLOCK; + __set_errno(ret); return NULL; } |